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lcaballero/cssParser

Created August 23, 2013 22:24
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CSS Parser in JavaScript. Fork of cssParser (see the lisence and comments).
Raw
cssParser
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* emk <VYV03354@nifty.ne.jp>
* Daniel Glazman <glazman@netscape.com>
* L. David Baron <dbaron@dbaron.org>
* Boris Zbarsky <bzbarsky@mit.edu>
* Mats Palmgren <mats.palmgren@bredband.net>
* Christian Biesinger <cbiesinger@web.de>
* Jeff Walden <jwalden+code@mit.edu>
* Jonathon Jongsma <jonathon.jongsma@collabora.co.uk>, Collabora Ltd.
* Siraj Razick <siraj.razick@collabora.co.uk>, Collabora Ltd.
* Daniel Glazman <daniel.glazman@disruptive-innovations.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
var kCHARSET_RULE_MISSING_SEMICOLON = "Missing semicolon at the end of @charset rule";
var kCHARSET_RULE_CHARSET_IS_STRING = "The charset in the @charset rule should be a string";
var kCHARSET_RULE_MISSING_WS = "Missing mandatory whitespace after @charset";
var kIMPORT_RULE_MISSING_URL = "Missing URL in @import rule";
var kURL_EOF = "Unexpected end of stylesheet";
var kURL_WS_INSIDE = "Multiple tokens inside a url() notation";
var kVARIABLES_RULE_POSITION = "@variables rule invalid at this position in the stylesheet";
var kIMPORT_RULE_POSITION = "@import rule invalid at this position in the stylesheet";
var kNAMESPACE_RULE_POSITION = "@namespace rule invalid at this position in the stylesheet";
var kCHARSET_RULE_CHARSET_SOF = "@charset rule invalid at this position in the stylesheet";
var kUNKNOWN_AT_RULE = "Unknow @-rule";
/* FROM http://peter.sh/data/vendor-prefixed-css.php?js=1 */
var kCSS_VENDOR_VALUES = {
"-moz-box": {"webkit": "-webkit-box", "presto": "", "trident": "", "generic": "box" },
"-moz-inline-box": {"webkit": "-webkit-inline-box", "presto": "", "trident": "", "generic": "inline-box" },
"-moz-initial": {"webkit": "", "presto": "", "trident": "", "generic": "initial" },
"flex": {"webkit": "-webkit-flex", "presto": "", "trident": "", "generic": "" },
"inline-flex": {"webkit": "-webkit-inline-flex", "presto": "", "trident": "", "generic": "" },
"linear-gradient": {"webkit20110101":FilterLinearGradient,
"webkit": FilterLinearGradient,
"presto": FilterLinearGradient,
"trident": FilterLinearGradient,
"gecko1.9.2": FilterLinearGradient },
"repeating-linear-gradient": {"webkit20110101":FilterLinearGradient,
"webkit": FilterLinearGradient,
"presto": FilterLinearGradient,
"trident": FilterLinearGradient,
"gecko1.9.2": FilterLinearGradient },
"radial-gradient": {"webkit20110101":FilterRadialGradient,
"webkit": FilterRadialGradient,
"presto": FilterRadialGradient,
"trident": FilterRadialGradient,
"gecko1.9.2": FilterRadialGradient },
"repeating-radial-gradient": {"webkit20110101":FilterRadialGradient,
"webkit": FilterRadialGradient,
"presto": FilterRadialGradient,
"trident": FilterRadialGradient,
"gecko1.9.2": FilterRadialGradient }
};
var kCSS_PREFIXED_VALUE = [
{"gecko": "-moz-box", "webkit": "-moz-box", "presto": "", "trident": "", "generic": "box"}
];
var kCSS_VENDOR_PREFIXES =
{"lastUpdate":1374677405,"properties":[
{"gecko":"","webkit":"","presto":"","trident":"-ms-accelerator","status":"P"},
{"gecko":"","webkit":"","presto":"-wap-accesskey","trident":"","status":""},
{"gecko":"","webkit":"-webkit-align-content","presto":"","trident":"","status":""},
{"gecko":"align-items","webkit":"-webkit-align-items","presto":"","trident":"","status":""},
{"gecko":"align-self","webkit":"-webkit-align-self","presto":"","trident":"","status":""},
{"gecko":"animation","webkit":"-webkit-animation","presto":"","trident":"animation","status":"WD"},
{"gecko":"animation-delay","webkit":"-webkit-animation-delay","presto":"","trident":"animation-delay","status":"WD"},
{"gecko":"animation-direction","webkit":"-webkit-animation-direction","presto":"","trident":"animation-direction","status":"WD"},
{"gecko":"animation-duration","webkit":"-webkit-animation-duration","presto":"","trident":"animation-duration","status":"WD"},
{"gecko":"animation-fill-mode","webkit":"-webkit-animation-fill-mode","presto":"","trident":"animation-fill-mode","status":"ED"},
{"gecko":"animation-iteration-count","webkit":"-webkit-animation-iteration-count","presto":"","trident":"animation-iteration-count","status":"WD"},
{"gecko":"animation-name","webkit":"-webkit-animation-name","presto":"","trident":"animation-name","status":"WD"},
{"gecko":"animation-play-state","webkit":"-webkit-animation-play-state","presto":"","trident":"animation-play-state","status":"WD"},
{"gecko":"animation-timing-function","webkit":"-webkit-animation-timing-function","presto":"","trident":"animation-timing-function","status":"WD"},
{"gecko":"","webkit":"-webkit-app-region","presto":"","trident":"","status":""},
{"gecko":"-moz-appearance","webkit":"-webkit-appearance","presto":"","trident":"","status":"CR"},
{"gecko":"","webkit":"-webkit-aspect-ratio","presto":"","trident":"","status":""},
{"gecko":"backface-visibility","webkit":"-webkit-backface-visibility","presto":"","trident":"backface-visibility","status":"WD"},
{"gecko":"","webkit":"-webkit-background-blend-mode","presto":"","trident":"","status":""},
{"gecko":"background-clip","webkit":"-webkit-background-clip","presto":"background-clip","trident":"background-clip","status":"WD"},
{"gecko":"","webkit":"-webkit-background-composite","presto":"","trident":"","status":""},
{"gecko":"-moz-background-inline-policy","webkit":"","presto":"","trident":"","status":"P"},
{"gecko":"background-origin","webkit":"-webkit-background-origin","presto":"background-origin","trident":"background-origin","status":"WD"},
{"gecko":"","webkit":"background-position-x","presto":"","trident":"-ms-background-position-x","status":""},
{"gecko":"","webkit":"background-position-y","presto":"","trident":"-ms-background-position-y","status":""},
{"gecko":"background-size","webkit":"-webkit-background-size","presto":"background-size","trident":"background-size","status":"WD"},
{"gecko":"","webkit":"","presto":"","trident":"-ms-behavior","status":""},
{"gecko":"-moz-binding","webkit":"","presto":"","trident":"","status":"P"},
{"gecko":"","webkit":"-webkit-blend-mode","presto":"","trident":"","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-block-progression","status":""},
{"gecko":"","webkit":"-webkit-border-after","presto":"","trident":"","status":"ED"},
{"gecko":"","webkit":"-webkit-border-after-color","presto":"","trident":"","status":"ED"},
{"gecko":"","webkit":"-webkit-border-after-style","presto":"","trident":"","status":"ED"},
{"gecko":"","webkit":"-webkit-border-after-width","presto":"","trident":"","status":"ED"},
{"gecko":"","webkit":"-webkit-border-before","presto":"","trident":"","status":"ED"},
{"gecko":"","webkit":"-webkit-border-before-color","presto":"","trident":"","status":"ED"},
{"gecko":"","webkit":"-webkit-border-before-style","presto":"","trident":"","status":"ED"},
{"gecko":"","webkit":"-webkit-border-before-width","presto":"","trident":"","status":"ED"},
{"gecko":"-moz-border-bottom-colors","webkit":"","presto":"","trident":"","status":"P"},
{"gecko":"border-bottom-left-radius","webkit":"-webkit-border-bottom-left-radius","presto":"border-bottom-left-radius","trident":"border-bottom-left-radius","status":"WD"},
{"gecko":"border-bottom-right-radius","webkit":"-webkit-border-bottom-right-radius","presto":"border-bottom-right-radius","trident":"border-bottom-right-radius","status":"WD"},
{"gecko":"-moz-border-end","webkit":"-webkit-border-end","presto":"","trident":"","status":"ED"},
{"gecko":"-moz-border-end-color","webkit":"-webkit-border-end-color","presto":"","trident":"","status":"ED"},
{"gecko":"-moz-border-end-style","webkit":"-webkit-border-end-style","presto":"","trident":"","status":"ED"},
{"gecko":"-moz-border-end-width","webkit":"-webkit-border-end-width","presto":"","trident":"","status":"ED"},
{"gecko":"","webkit":"-webkit-border-fit","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-border-horizontal-spacing","presto":"","trident":"","status":""},
{"gecko":"border-image","webkit":"-webkit-border-image","presto":"-o-border-image","trident":"","status":"WD"},
{"gecko":"-moz-border-left-colors","webkit":"","presto":"","trident":"","status":"P"},
{"gecko":"border-radius","webkit":"-webkit-border-radius","presto":"border-radius","trident":"border-radius","status":"WD"},
{"gecko":"-moz-border-right-colors","webkit":"","presto":"","trident":"","status":"P"},
{"gecko":"-moz-border-start","webkit":"-webkit-border-start","presto":"","trident":"","status":"ED"},
{"gecko":"-moz-border-start-color","webkit":"-webkit-border-start-color","presto":"","trident":"","status":"ED"},
{"gecko":"-moz-border-start-style","webkit":"-webkit-border-start-style","presto":"","trident":"","status":"ED"},
{"gecko":"-moz-border-start-width","webkit":"-webkit-border-start-width","presto":"","trident":"","status":"ED"},
{"gecko":"-moz-border-top-colors","webkit":"","presto":"","trident":"","status":"P"},
{"gecko":"border-top-left-radius","webkit":"-webkit-border-top-left-radius","presto":"border-top-left-radius","trident":"border-top-left-radius","status":"WD"},
{"gecko":"border-top-right-radius","webkit":"-webkit-border-top-right-radius","presto":"border-top-right-radius","trident":"border-top-right-radius","status":"WD"},
{"gecko":"","webkit":"-webkit-border-vertical-spacing","presto":"","trident":"","status":""},
{"gecko":"-moz-box-align","webkit":"-webkit-box-align","presto":"","trident":"","status":"WD"},
{"gecko":"","webkit":"-webkit-box-decoration-break","presto":"box-decoration-break","trident":"","status":"WD"},
{"gecko":"-moz-box-direction","webkit":"-webkit-box-direction","presto":"","trident":"","status":"WD"},
{"gecko":"-moz-box-flex","webkit":"-webkit-box-flex","presto":"","trident":"","status":"WD"},
{"gecko":"","webkit":"-webkit-box-flex-group","presto":"","trident":"","status":"WD"},
{"gecko":"","webkit":"-webkit-box-lines","presto":"","trident":"","status":"WD"},
{"gecko":"-moz-box-ordinal-group","webkit":"-webkit-box-ordinal-group","presto":"","trident":"","status":"WD"},
{"gecko":"-moz-box-orient","webkit":"-webkit-box-orient","presto":"","trident":"","status":"WD"},
{"gecko":"-moz-box-pack","webkit":"-webkit-box-pack","presto":"","trident":"","status":"WD"},
{"gecko":"","webkit":"-webkit-box-reflect","presto":"","trident":"","status":""},
{"gecko":"box-shadow","webkit":"-webkit-box-shadow","presto":"box-shadow","trident":"box-shadow","status":"WD"},
{"gecko":"-moz-box-sizing","webkit":"-webkit-box-sizing","presto":"box-sizing","trident":"box-sizing","status":"CR"},
{"gecko":"caption-side","webkit":"-epub-caption-side","presto":"caption-side","trident":"caption-side","status":""},
{"gecko":"clip-path","webkit":"-webkit-clip-path","presto":"clip-path","trident":"","status":""},
{"gecko":"","webkit":"-webkit-color-correction","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-column-axis","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-column-break-after","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-column-break-before","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-column-break-inside","presto":"","trident":"","status":""},
{"gecko":"-moz-column-count","webkit":"-webkit-column-count","presto":"column-count","trident":"column-count","status":"CR"},
{"gecko":"-moz-column-fill","webkit":"","presto":"column-fill","trident":"column-fill","status":"CR"},
{"gecko":"-moz-column-gap","webkit":"-webkit-column-gap","presto":"column-gap","trident":"column-gap","status":"CR"},
{"gecko":"","webkit":"-webkit-column-progression","presto":"","trident":"","status":""},
{"gecko":"-moz-column-rule","webkit":"-webkit-column-rule","presto":"column-rule","trident":"column-rule","status":"CR"},
{"gecko":"-moz-column-rule-color","webkit":"-webkit-column-rule-color","presto":"column-rule-color","trident":"column-rule-color","status":"CR"},
{"gecko":"-moz-column-rule-style","webkit":"-webkit-column-rule-style","presto":"column-rule-style","trident":"column-rule-style","status":"CR"},
{"gecko":"-moz-column-rule-width","webkit":"-webkit-column-rule-width","presto":"column-rule-width","trident":"column-rule-width","status":"CR"},
{"gecko":"","webkit":"-webkit-column-span","presto":"column-span","trident":"column-span","status":"CR"},
{"gecko":"-moz-column-width","webkit":"-webkit-column-width","presto":"column-width","trident":"column-width","status":"CR"},
{"gecko":"-moz-columns","webkit":"-webkit-columns","presto":"columns","trident":"columns","status":"CR"},
{"gecko":"","webkit":"","presto":"","trident":"-ms-content-zoom-chaining","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-content-zoom-limit","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-content-zoom-limit-max","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-content-zoom-limit-min","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-content-zoom-snap","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-content-zoom-snap-points","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-content-zoom-snap-type","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-content-zooming","status":""},
{"gecko":"","webkit":"-webkit-cursor-visibility","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-dashboard-region","presto":"-apple-dashboard-region","trident":"","status":""},
{"gecko":"","webkit":"","presto":"-o-device-pixel-ratio","trident":"","status":""},
{"gecko":"filter","webkit":"-webkit-filter","presto":"filter","trident":"-ms-filter","status":""},
{"gecko":"flex","webkit":"-webkit-flex","presto":"","trident":"-ms-flex","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-flex-align","status":""},
{"gecko":"flex-basis","webkit":"-webkit-flex-basis","presto":"","trident":"","status":""},
{"gecko":"flex-direction","webkit":"-webkit-flex-direction","presto":"","trident":"-ms-flex-direction","status":""},
{"gecko":"","webkit":"-webkit-flex-flow","presto":"","trident":"","status":""},
{"gecko":"flex-grow","webkit":"-webkit-flex-grow","presto":"","trident":"","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-flex-order","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-flex-pack","status":""},
{"gecko":"flex-shrink","webkit":"-webkit-flex-shrink","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-flex-wrap","presto":"","trident":"-ms-flex-wrap","status":""},
{"gecko":"-moz-float-edge","webkit":"","presto":"","trident":"","status":"P"},
{"gecko":"","webkit":"-webkit-flow-from","presto":"","trident":"-ms-flow-from","status":""},
{"gecko":"","webkit":"-webkit-flow-into","presto":"","trident":"-ms-flow-into","status":""},
{"gecko":"","webkit":"","presto":"-o-focus-opacity","trident":"","status":""},
{"gecko":"-moz-font-feature-settings","webkit":"-webkit-font-feature-settings","presto":"","trident":"font-feature-settings","status":""},
{"gecko":"font-kerning","webkit":"-webkit-font-kerning","presto":"","trident":"","status":""},
{"gecko":"-moz-font-language-override","webkit":"","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-font-size-delta","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-font-smoothing","presto":"","trident":"","status":""},
{"gecko":"font-variant-ligatures","webkit":"-webkit-font-variant-ligatures","presto":"","trident":"","status":""},
{"gecko":"-moz-force-broken-image-icon","webkit":"","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-grid-after","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-grid-auto-columns","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-grid-auto-flow","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-grid-auto-rows","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-grid-before","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-grid-column","presto":"","trident":"-ms-grid-column","status":"WD"},
{"gecko":"","webkit":"","presto":"","trident":"-ms-grid-column-align","status":"WD"},
{"gecko":"","webkit":"","presto":"","trident":"-ms-grid-column-span","status":"WD"},
{"gecko":"","webkit":"","presto":"","trident":"-ms-grid-columns","status":"WD"},
{"gecko":"","webkit":"-webkit-grid-definition-columns","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-grid-definition-rows","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-grid-end","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-grid-row","presto":"","trident":"-ms-grid-row","status":"WD"},
{"gecko":"","webkit":"","presto":"","trident":"-ms-grid-row-align","status":"WD"},
{"gecko":"","webkit":"","presto":"","trident":"-ms-grid-row-span","status":"WD"},
{"gecko":"","webkit":"","presto":"","trident":"-ms-grid-rows","status":"WD"},
{"gecko":"","webkit":"-webkit-grid-start","presto":"","trident":"","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-high-contrast-adjust","status":""},
{"gecko":"","webkit":"-webkit-highlight","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-hyphenate-character","presto":"","trident":"","status":"WD"},
{"gecko":"","webkit":"-webkit-hyphenate-limit-after","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-hyphenate-limit-before","presto":"","trident":"","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-hyphenate-limit-chars","status":""},
{"gecko":"","webkit":"-webkit-hyphenate-limit-lines","presto":"","trident":"-ms-hyphenate-limit-lines","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-hyphenate-limit-zone","status":""},
{"gecko":"-moz-hyphens","webkit":"-epub-hyphens","presto":"","trident":"-ms-hyphens","status":"WD"},
{"gecko":"-moz-image-region","webkit":"","presto":"","trident":"","status":"P"},
{"gecko":"ime-mode","webkit":"","presto":"","trident":"-ms-ime-mode","status":""},
{"gecko":"","webkit":"","presto":"-wap-input-format","trident":"","status":""},
{"gecko":"","webkit":"","presto":"-wap-input-required","trident":"","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-interpolation-mode","status":""},
{"gecko":"","webkit":"","presto":"-xv-interpret-as","trident":"","status":""},
{"gecko":"justify-content","webkit":"-webkit-justify-content","presto":"","trident":"","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-layout-flow","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-layout-grid","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-layout-grid-char","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-layout-grid-line","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-layout-grid-mode","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-layout-grid-type","status":""},
{"gecko":"","webkit":"-webkit-line-align","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-line-box-contain","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-line-break","presto":"","trident":"line-break","status":""},
{"gecko":"","webkit":"-webkit-line-clamp","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-line-grid","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-line-snap","presto":"","trident":"","status":""},
{"gecko":"","webkit":"","presto":"-o-link","trident":"","status":""},
{"gecko":"","webkit":"","presto":"-o-link-source","trident":"","status":""},
{"gecko":"","webkit":"-webkit-locale","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-logical-height","presto":"","trident":"","status":"ED"},
{"gecko":"","webkit":"-webkit-logical-width","presto":"","trident":"","status":"ED"},
{"gecko":"","webkit":"-webkit-margin-after","presto":"","trident":"","status":"ED"},
{"gecko":"","webkit":"-webkit-margin-after-collapse","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-margin-before","presto":"","trident":"","status":"ED"},
{"gecko":"","webkit":"-webkit-margin-before-collapse","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-margin-bottom-collapse","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-margin-collapse","presto":"","trident":"","status":""},
{"gecko":"-moz-margin-end","webkit":"-webkit-margin-end","presto":"","trident":"","status":"ED"},
{"gecko":"-moz-margin-start","webkit":"-webkit-margin-start","presto":"","trident":"","status":"ED"},
{"gecko":"","webkit":"-webkit-margin-top-collapse","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-marquee","presto":"","trident":"","status":""},
{"gecko":"","webkit":"","presto":"-wap-marquee-dir","trident":"","status":""},
{"gecko":"","webkit":"-webkit-marquee-direction","presto":"","trident":"","status":"WD"},
{"gecko":"","webkit":"-webkit-marquee-increment","presto":"","trident":"","status":""},
{"gecko":"","webkit":"","presto":"-wap-marquee-loop","trident":"","status":"WD"},
{"gecko":"","webkit":"-webkit-marquee-repetition","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-marquee-speed","presto":"-wap-marquee-speed","trident":"","status":"WD"},
{"gecko":"","webkit":"-webkit-marquee-style","presto":"-wap-marquee-style","trident":"","status":"WD"},
{"gecko":"mask","webkit":"-webkit-mask","presto":"mask","trident":"","status":""},
{"gecko":"","webkit":"-webkit-mask-box-image","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-mask-box-image-outset","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-mask-box-image-repeat","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-mask-box-image-slice","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-mask-box-image-source","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-mask-box-image-width","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-mask-clip","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-mask-composite","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-mask-image","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-mask-origin","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-mask-position","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-mask-position-x","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-mask-position-y","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-mask-repeat","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-mask-repeat-x","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-mask-repeat-y","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-mask-size","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-max-logical-height","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-max-logical-width","presto":"","trident":"","status":"ED"},
{"gecko":"","webkit":"-webkit-min-logical-height","presto":"","trident":"","status":"ED"},
{"gecko":"","webkit":"-webkit-min-logical-width","presto":"","trident":"","status":"ED"},
{"gecko":"","webkit":"","presto":"-o-mini-fold","trident":"","status":""},
{"gecko":"","webkit":"-webkit-nbsp-mode","presto":"","trident":"","status":"P"},
{"gecko":"","webkit":"","presto":"-o-object-fit","trident":"","status":"ED"},
{"gecko":"","webkit":"","presto":"-o-object-position","trident":"","status":"ED"},
{"gecko":"opacity","webkit":"-webkit-opacity","presto":"opacity","trident":"opacity","status":"WD"},
{"gecko":"order","webkit":"-webkit-order","presto":"","trident":"","status":""},
{"gecko":"-moz-orient","webkit":"","presto":"","trident":"","status":""},
{"gecko":"-moz-outline-radius","webkit":"","presto":"","trident":"","status":"P"},
{"gecko":"-moz-outline-radius-bottomleft","webkit":"","presto":"","trident":"","status":"P"},
{"gecko":"-moz-outline-radius-bottomright","webkit":"","presto":"","trident":"","status":"P"},
{"gecko":"-moz-outline-radius-topleft","webkit":"","presto":"","trident":"","status":"P"},
{"gecko":"-moz-outline-radius-topright","webkit":"","presto":"","trident":"","status":"P"},
{"gecko":"","webkit":"-webkit-overflow-scrolling","presto":"","trident":"","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-overflow-style","status":"CR"},
{"gecko":"overflow-x","webkit":"overflow-x","presto":"overflow-x","trident":"-ms-overflow-x","status":"WD"},
{"gecko":"overflow-y","webkit":"overflow-y","presto":"overflow-y","trident":"-ms-overflow-y","status":"WD"},
{"gecko":"","webkit":"-webkit-padding-after","presto":"","trident":"","status":"ED"},
{"gecko":"","webkit":"-webkit-padding-before","presto":"","trident":"","status":"ED"},
{"gecko":"-moz-padding-end","webkit":"-webkit-padding-end","presto":"","trident":"","status":"ED"},
{"gecko":"-moz-padding-start","webkit":"-webkit-padding-start","presto":"","trident":"","status":"ED"},
{"gecko":"perspective","webkit":"-webkit-perspective","presto":"","trident":"perspective","status":"WD"},
{"gecko":"perspective-origin","webkit":"-webkit-perspective-origin","presto":"","trident":"perspective-origin","status":"WD"},
{"gecko":"","webkit":"-webkit-perspective-origin-x","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-perspective-origin-y","presto":"","trident":"","status":""},
{"gecko":"","webkit":"","presto":"-xv-phonemes","trident":"","status":""},
{"gecko":"","webkit":"-webkit-print-color-adjust","presto":"","trident":"","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-progress-appearance","status":""},
{"gecko":"","webkit":"-webkit-region-break-after","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-region-break-before","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-region-break-inside","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-region-fragment","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-rtl-ordering","presto":"","trident":"","status":"P"},
{"gecko":"","webkit":"-webkit-ruby-position","presto":"","trident":"ruby-position","status":"CR"},
{"gecko":"-moz-script-level","webkit":"","presto":"","trident":"","status":""},
{"gecko":"-moz-script-min-size","webkit":"","presto":"","trident":"","status":""},
{"gecko":"-moz-script-size-multiplier","webkit":"","presto":"","trident":"","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-scroll-chaining","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-scroll-limit","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-scroll-limit-x-max","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-scroll-limit-x-min","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-scroll-limit-y-max","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-scroll-limit-y-min","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-scroll-rails","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-scroll-snap-points-x","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-scroll-snap-points-y","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-scroll-snap-type","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-scroll-snap-x","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-scroll-snap-y","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-scroll-translation","status":""},
{"gecko":"","webkit":"","presto":"scrollbar-arrow-color","trident":"-ms-scrollbar-arrow-color","status":"P"},
{"gecko":"","webkit":"","presto":"scrollbar-base-color","trident":"-ms-scrollbar-base-color","status":"P"},
{"gecko":"","webkit":"","presto":"scrollbar-darkshadow-color","trident":"-ms-scrollbar-darkshadow-color","status":"P"},
{"gecko":"","webkit":"","presto":"scrollbar-face-color","trident":"-ms-scrollbar-face-color","status":"P"},
{"gecko":"","webkit":"","presto":"scrollbar-highlight-color","trident":"-ms-scrollbar-highlight-color","status":"P"},
{"gecko":"","webkit":"","presto":"scrollbar-shadow-color","trident":"-ms-scrollbar-shadow-color","status":"P"},
{"gecko":"","webkit":"","presto":"scrollbar-track-color","trident":"-ms-scrollbar-track-color","status":"P"},
{"gecko":"","webkit":"-webkit-shape-inside","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-shape-margin","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-shape-outside","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-shape-padding","presto":"","trident":"","status":""},
{"gecko":"-moz-stack-sizing","webkit":"","presto":"","trident":"","status":"P"},
{"gecko":"","webkit":"-webkit-svg-shadow","presto":"","trident":"","status":""},
{"gecko":"-moz-tab-size","webkit":"tab-size","presto":"-o-tab-size","trident":"","status":""},
{"gecko":"","webkit":"","presto":"-o-table-baseline","trident":"","status":""},
{"gecko":"","webkit":"-webkit-tap-highlight-color","presto":"","trident":"","status":"P"},
{"gecko":"-moz-text-align-last","webkit":"-webkit-text-align-last","presto":"","trident":"-ms-text-align-last","status":"WD"},
{"gecko":"","webkit":"","presto":"","trident":"-ms-text-autospace","status":"WD"},
{"gecko":"-moz-text-blink","webkit":"","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-epub-text-combine","presto":"","trident":"","status":""},
{"gecko":"-moz-text-decoration-color","webkit":"-webkit-text-decoration-color","presto":"","trident":"","status":""},
{"gecko":"-moz-text-decoration-line","webkit":"-webkit-text-decoration-line","presto":"","trident":"","status":""},
{"gecko":"-moz-text-decoration-style","webkit":"-webkit-text-decoration-style","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-text-decorations-in-effect","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-epub-text-emphasis","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-epub-text-emphasis-color","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-text-emphasis-position","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-epub-text-emphasis-style","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-text-fill-color","presto":"","trident":"","status":"P"},
{"gecko":"","webkit":"-webkit-text-justify","presto":"","trident":"-ms-text-justify","status":"WD"},
{"gecko":"","webkit":"","presto":"","trident":"-ms-text-kashida-space","status":"P"},
{"gecko":"","webkit":"-epub-text-orientation","presto":"","trident":"","status":""},
{"gecko":"text-overflow","webkit":"text-overflow","presto":"text-overflow","trident":"-ms-text-overflow","status":"WD"},
{"gecko":"","webkit":"-webkit-text-security","presto":"","trident":"","status":"P"},
{"gecko":"-moz-text-size-adjust","webkit":"","presto":"","trident":"","status":""},
{"gecko":"","webkit":"-webkit-text-stroke","presto":"","trident":"","status":"P"},
{"gecko":"","webkit":"-webkit-text-stroke-color","presto":"","trident":"","status":"P"},
{"gecko":"","webkit":"-webkit-text-stroke-width","presto":"","trident":"","status":"P"},
{"gecko":"text-transform","webkit":"-epub-text-transform","presto":"text-transform","trident":"text-transform","status":""},
{"gecko":"","webkit":"-webkit-text-underline-position","presto":"","trident":"-ms-text-underline-position","status":"P"},
{"gecko":"","webkit":"","presto":"","trident":"-ms-touch-action","status":""},
{"gecko":"","webkit":"-webkit-touch-callout","presto":"","trident":"","status":"P"},
{"gecko":"-moz-transform","webkit":"-webkit-transform","presto":"-o-transform","trident":"transform","status":"WD"},
{"gecko":"transform-origin","webkit":"-webkit-transform-origin","presto":"-o-transform-origin","trident":"transform-origin","status":"WD"},
{"gecko":"","webkit":"-webkit-transform-origin-x","presto":"","trident":"","status":"P"},
{"gecko":"","webkit":"-webkit-transform-origin-y","presto":"","trident":"","status":"P"},
{"gecko":"","webkit":"-webkit-transform-origin-z","presto":"","trident":"","status":"P"},
{"gecko":"transform-style","webkit":"-webkit-transform-style","presto":"","trident":"transform-style","status":"WD"},
{"gecko":"transition","webkit":"-webkit-transition","presto":"-o-transition","trident":"transition","status":"WD"},
{"gecko":"transition-delay","webkit":"-webkit-transition-delay","presto":"-o-transition-delay","trident":"transition-delay","status":"WD"},
{"gecko":"transition-duration","webkit":"-webkit-transition-duration","presto":"-o-transition-duration","trident":"transition-duration","status":"WD"},
{"gecko":"transition-property","webkit":"-webkit-transition-property","presto":"-o-transition-property","trident":"transition-property","status":"WD"},
{"gecko":"transition-timing-function","webkit":"-webkit-transition-timing-function","presto":"-o-transition-timing-function","trident":"transition-timing-function","status":"WD"},
{"gecko":"","webkit":"-webkit-user-drag","presto":"","trident":"","status":"P"},
{"gecko":"-moz-user-focus","webkit":"","presto":"","trident":"","status":"P"},
{"gecko":"-moz-user-input","webkit":"","presto":"","trident":"","status":"P"},
{"gecko":"-moz-user-modify","webkit":"-webkit-user-modify","presto":"","trident":"","status":"P"},
{"gecko":"-moz-user-select","webkit":"-webkit-user-select","presto":"","trident":"-ms-user-select","status":"P"},
{"gecko":"","webkit":"","presto":"-xv-voice-balance","trident":"","status":""},
{"gecko":"","webkit":"","presto":"-xv-voice-duration","trident":"","status":""},
{"gecko":"","webkit":"","presto":"-xv-voice-pitch","trident":"","status":""},
{"gecko":"","webkit":"","presto":"-xv-voice-pitch-range","trident":"","status":""},
{"gecko":"","webkit":"","presto":"-xv-voice-rate","trident":"","status":""},
{"gecko":"","webkit":"","presto":"-xv-voice-stress","trident":"","status":""},
{"gecko":"","webkit":"","presto":"-xv-voice-volume","trident":"","status":""},
{"gecko":"-moz-window-shadow","webkit":"","presto":"","trident":"","status":"P"},
{"gecko":"word-break","webkit":"-epub-word-break","presto":"","trident":"-ms-word-break","status":"WD"},
{"gecko":"word-wrap","webkit":"word-wrap","presto":"word-wrap","trident":"-ms-word-wrap","status":"WD"},
{"gecko":"","webkit":"-webkit-wrap-flow","presto":"","trident":"-ms-wrap-flow","status":""},
{"gecko":"","webkit":"","presto":"","trident":"-ms-wrap-margin","status":""},
{"gecko":"","webkit":"-webkit-wrap-through","presto":"","trident":"-ms-wrap-through","status":""},
{"gecko":"writing-mode","webkit":"-epub-writing-mode","presto":"writing-mode","trident":"-ms-writing-mode","status":"ED"},
{"gecko":"","webkit":"zoom","presto":"","trident":"-ms-zoom","status":""}]};
var PrefixHelper = {
mVENDOR_PREFIXES: null,
kEXPORTS_FOR_GECKO: true,
kEXPORTS_FOR_WEBKIT: true,
kEXPORTS_FOR_PRESTO: true,
kEXPORTS_FOR_TRIDENT: true,
cleanPrefixes: function()
{
this.mVENDOR_PREFIXES = null;
},
prefixesForProperty: function(aProperty)
{
if (!this.mVENDOR_PREFIXES) {
this.mVENDOR_PREFIXES = {};
for (var i = 0; i < kCSS_VENDOR_PREFIXES.properties.length; i++) {
var p = kCSS_VENDOR_PREFIXES.properties[i];
if (p.gecko && (p.webkit || p.presto || p.trident)) {
var o = {};
if (this.kEXPORTS_FOR_GECKO) o[p.gecko] = true;
if (this.kEXPORTS_FOR_WEBKIT && p.webkit) o[p.webkit] = true;
if (this.kEXPORTS_FOR_PRESTO && p.presto) o[p.presto] = true;
if (this.kEXPORTS_FOR_TRIDENT && p.trident) o[p.trident] = true;
this.mVENDOR_PREFIXES[p.gecko] = [];
for (var j in o)
this.mVENDOR_PREFIXES[p.gecko].push(j)
}
}
}
if (aProperty in this.mVENDOR_PREFIXES)
return this.mVENDOR_PREFIXES[aProperty].sort();
return null;
}
};
function ParseURL(buffer) {
var result = { };
result.protocol = "";
result.user = "";
result.password = "";
result.host = "";
result.port = "";
result.path = "";
result.query = "";
var section = "PROTOCOL";
var start = 0;
var wasSlash = false;
while(start < buffer.length) {
if(section == "PROTOCOL") {
if(buffer.charAt(start) == ':') {
section = "AFTER_PROTOCOL";
start++;
} else if(buffer.charAt(start) == '/' && result.protocol.length() == 0) {
section = PATH;
} else {
result.protocol += buffer.charAt(start++);
}
} else if(section == "AFTER_PROTOCOL") {
if(buffer.charAt(start) == '/') {
if(!wasSlash) {
wasSlash = true;
} else {
wasSlash = false;
section = "USER";
}
start ++;
} else {
throw new ParseException("Protocol shell be separated with 2 slashes");
}
} else if(section == "USER") {
if(buffer.charAt(start) == '/') {
result.host = result.user;
result.user = "";
section = "PATH";
} else if(buffer.charAt(start) == '?') {
result.host = result.user;
result.user = "";
section = "QUERY";
start++;
} else if(buffer.charAt(start) == ':') {
section = "PASSWORD";
start++;
} else if(buffer.charAt(start) == '@') {
section = "HOST";
start++;
} else {
result.user += buffer.charAt(start++);
}
} else if(section == "PASSWORD") {
if(buffer.charAt(start) == '/') {
result.host = result.user;
result.port = result.password;
result.user = "";
result.password = "";
section = "PATH";
} else if(buffer.charAt(start) == '?') {
result.host = result.user;
result.port = result.password;
result.user = "";
result.password = "";
section = "QUERY";
start ++;
} else if(buffer.charAt(start) == '@') {
section = "HOST";
start++;
} else {
result.password += buffer.charAt(start++);
}
} else if(section == "HOST") {
if(buffer.charAt(start) == '/') {
section = "PATH";
} else if(buffer.charAt(start) == ':') {
section = "PORT";
start++;
} else if(buffer.charAt(start) == '?') {
section = "QUERY";
start++;
} else {
result.host += buffer.charAt(start++);
}
} else if(section == "PORT") {
if(buffer.charAt(start) == '/') {
section = "PATH";
} else if(buffer.charAt(start) == '?') {
section = "QUERY";
start++;
} else {
result.port += buffer.charAt(start++);
}
} else if(section == "PATH") {
if(buffer.charAt(start) == '?') {
section = "QUERY";
start ++;
} else {
result.path += buffer.charAt(start++);
}
} else if(section == "QUERY") {
result.query += buffer.charAt(start++);
}
}
if(section == "PROTOCOL") {
result.host = result.protocol;
result.protocol = "http";
} else if(section == "AFTER_PROTOCOL") {
throw new ParseException("Invalid url");
} else if(section == "USER") {
result.host = result.user;
result.user = "";
} else if(section == "PASSWORD") {
result.host = result.user;
result.port = result.password;
result.user = "";
result.password = "";
}
return result;
}
function ParseException(description) {
this.description = description;
}
function CountLF(s)
{
var nCR = s.match( /\n/g );
return nCR ? nCR.length + 1 : 1;
}
function DisposablePartialParsing(aStringToParse, aMethodName)
{
var parser = new CSSParser();
parser._init();
parser.mPreserveWS = false;
parser.mPreserveComments = false;
parser.mPreservedTokens = [];
parser.mScanner.init(aStringToParse);
return parser[aMethodName]();
}
function FilterLinearGradient(aValue, aEngine)
{
var d = DisposablePartialParsing(aValue, "parseBackgroundImages");
if (!d)
return null;
var g = d[0];
if (!g.value)
return null;
var str = "";
var position = ("position" in g.value) ? g.value.position.toLowerCase() : "";
var angle = ("angle" in g.value) ? g.value.angle.toLowerCase() : "";
if ("webkit20110101" == aEngine) {
var cancelled = false;
str = "-webkit-gradient(linear, ";
// normalize angle
if (angle) {
var match = angle.match(/^([0-9\-\.\\+]+)([a-z]*)/);
var angle = parseFloat(match[1]);
var unit = match[2];
switch (unit) {
case "grad": angle = angle * 90 / 100; break;
case "rad": angle = angle * 180 / Math.PI; break;
default: break;
}
while (angle < 0)
angle += 360;
while (angle >= 360)
angle -= 360;
}
// get startpoint w/o keywords
var startpoint = [];
var endpoint = [];
if (position != "") {
if (position == "center")
position = "center center";
startpoint = position.split(" ");
if (angle == "" && angle != 0) {
// no angle, then we just turn the point 180 degrees around center
switch (startpoint[0]) {
case "left": endpoint.push("right"); break;
case "center": endpoint.push("center"); break;
case "right": endpoint.push("left"); break;
default: {
var match = startpoint[0].match(/^([0-9\-\.\\+]+)([a-z]*)/);
var v = parseFloat(match[0]);
var unit = match[1];
if (unit == "%") {
endpoint.push((100-v) + "%");
}
else
cancelled = true;
}
break;
}
if (!cancelled)
switch (startpoint[1]) {
case "top": endpoint.push("bottom"); break;
case "center": endpoint.push("center"); break;
case "bottom": endpoint.push("top"); break;
default: {
var match = startpoint[1].match(/^([0-9\-\.\\+]+)([a-z]*)/);
var v = parseFloat(match[0]);
var unit = match[1];
if (unit == "%") {
endpoint.push((100-v) + "%");
}
else
cancelled = true;
}
break;
}
}
else {
switch (angle) {
case 0: endpoint.push("right"); endpoint.push(startpoint[1]); break;
case 90: endpoint.push(startpoint[0]); endpoint.push("top"); break;
case 180: endpoint.push("left"); endpoint.push(startpoint[1]); break;
case 270: endpoint.push(startpoint[0]); endpoint.push("bottom"); break;
default: cancelled = true; break;
}
}
}
else {
// no position defined, we accept only vertical and horizontal
if (angle == "")
angle = 270;
switch (angle) {
case 0: startpoint= ["left", "center"]; endpoint = ["right", "center"]; break;
case 90: startpoint= ["center", "bottom"]; endpoint = ["center", "top"]; break;
case 180: startpoint= ["right", "center"]; endpoint = ["left", "center"]; break;
case 270: startpoint= ["center", "top"]; endpoint = ["center", "bottom"]; break;
default: cancelled = true; break;
}
}
if (cancelled)
return "";
str += startpoint.join(" ") + ", " + endpoint.join(" ");
if (!g.value.stops[0].position)
g.value.stops[0].position = "0%";
if (!g.value.stops[g.value.stops.length-1].position)
g.value.stops[g.value.stops.length-1].position = "100%";
var current = 0;
for (var i = 0; i < g.value.stops.length && !cancelled; i++) {
var s = g.value.stops[i];
if (s.position) {
if (s.position.indexOf("%") == -1) {
cancelled = true;
break;
}
}
else {
var j = i + 1;
while (j < g.value.stops.length && !g.value.stops[j].position)
j++;
var inc = parseFloat(g.value.stops[j].position) - current;
for (var k = i; k < j; k++) {
g.value.stops[k].position = (current + inc * (k - i + 1) / (j - i + 1)) + "%";
}
}
current = parseFloat(s.position);
str += ", color-stop(" + (parseFloat(current) / 100) + ", " + s.color + ")";
}
if (cancelled)
return "";
}
else {
str = (g.value.isRepeating ? "repeating-" : "") + "linear-gradient(";
if (angle || position)
str += (angle ? angle : position) + ", ";
for (var i = 0; i < g.value.stops.length; i++) {
var s = g.value.stops[i];
str += s.color
+ (s.position ? " " + s.position : "")
+ ((i != g.value.stops.length -1) ? ", " : "");
}
}
str += ")";
switch (aEngine) {
case "webkit": str = "-webkit-" + str; break;
case "gecko1.9.2": str = "-moz-" + str; break;
case "presto": str = "-o-" + str; break;
case "trident": str = "-ms-" + str; break;
default: break;
}
return str;
}
function FilterRadialGradient(aValue, aEngine)
{
var d = DisposablePartialParsing(aValue, "parseBackgroundImages");
if (!d)
return null;
var g = d[0];
if (!g.value)
return null;
// oh come on, this is now so painful to deal with ; no way I'm going to implement this
if ("webkit20110101" == aEngine)
return null;
var str = (g.value.isRepeating ? "repeating-" : "") + "radial-gradient(";
var shape = ("shape" in g.value) ? g.value.shape : "";
var extent = ("extent" in g.value) ? g.value.extent : "";
var lengths = "";
switch (g.value.positions.length) {
case 1:
lengths = g.value.positions[0] + " " + g.value.positions[0];
break;
case 2:
lengths = g.value.positions[0] + " " + g.value.positions[1];
break;
default:
break;
}
var at = g.value.at;
str += (at ? at + ", " : "")
+ ((shape || extent || at)
? (shape ? shape + " " : "")
+ (extent ? extent + " " : "")
+ (lengths ? lengths + " " : "")
+ ", "
: "");
for (var i = 0; i < g.value.stops.length; i++) {
var s = g.value.stops[i];
str += s.color
+ (s.position ? " " + s.position : "")
+ ((i != g.value.stops.length -1) ? ", " : "");
}
str += ")";
switch (aEngine) {
case "webkit": str = "-webkit-" + str; break;
case "gecko1.9.2": str = "-moz-" + str; break;
case "presto": str = "-o-" + str; break;
case "trident": str = "-ms-" + str; break;
default: break;
}
return str;
}
var CSS_ESCAPE = '\\';
var IS_HEX_DIGIT = 1;
var START_IDENT = 2;
var IS_IDENT = 4;
var IS_WHITESPACE = 8;
var W = IS_WHITESPACE;
var I = IS_IDENT;
var S = START_IDENT;
var SI = IS_IDENT|START_IDENT;
var XI = IS_IDENT |IS_HEX_DIGIT;
var XSI = IS_IDENT|START_IDENT|IS_HEX_DIGIT;
function CSSScanner(aString)
{
this.init(aString);
}
CSSScanner.prototype = {
kLexTable: [
// TAB LF FF CR
0, 0, 0, 0, 0, 0, 0, 0, 0, W, W, 0, W, W, 0, 0,
//
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
// SPC ! " # $ % & ' ( ) * + , - . /
W, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, I, 0, 0,
// 0 1 2 3 4 5 6 7 8 9 : ; < = > ?
XI, XI, XI, XI, XI, XI, XI, XI, XI, XI, 0, 0, 0, 0, 0, 0,
// @ A B C D E F G H I J K L M N O
0, XSI,XSI,XSI,XSI,XSI,XSI,SI, SI, SI, SI, SI, SI, SI, SI, SI,
// P Q R S T U V W X Y Z [ \ ] ^ _
SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, 0, S, 0, 0, SI,
// ` a b c d e f g h i j k l m n o
0, XSI,XSI,XSI,XSI,XSI,XSI,SI, SI, SI, SI, SI, SI, SI, SI, SI,
// p q r s t u v w x y z { | } ~
SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, 0, 0, 0, 0, 0,
//
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
//
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
// ¡ ¢ £ ¤ ¥ ¦ § ¨ © ª « ¬ ­ ® ¯
0, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI,
// ° ± ² ³ ´ µ ¶ · ¸ ¹ º » ¼ ½ ¾ ¿
SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI,
// À Á Â Ã Ä Å Æ Ç È É Ê Ë Ì Í Î Ï
SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI,
// Ð Ñ Ò Ó Ô Õ Ö × Ø Ù Ú Û Ü Ý Þ ß
SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI,
// à á â ã ä å æ ç è é ê ë ì í î ï
SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI,
// ð ñ ò ó ô õ ö ÷ ø ù ú û ü ý þ ÿ
SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI
],
kHexValues: {
"0": 0, "1": 1, "2": 2, "3": 3, "4": 4, "5": 5, "6": 6, "7": 7, "8": 8, "9": 9,
"a": 10, "b": 11, "c": 12, "d": 13, "e": 14, "f": 15
},
mString : "",
mPos : 0,
mPreservedPos : [],
init: function(aString) {
this.mString = aString;
this.mPos = 0;
this.mPreservedPos = [];
},
getCurrentPos: function() {
return this.mPos;
},
getAlreadyScanned: function()
{
return this.mString.substr(0, this.mPos);
},
preserveState: function() {
this.mPreservedPos.push(this.mPos);
},
restoreState: function() {
if (this.mPreservedPos.length) {
this.mPos = this.mPreservedPos.pop();
}
},
forgetState: function() {
if (this.mPreservedPos.length) {
this.mPreservedPos.pop();
}
},
read: function() {
if (this.mPos < this.mString.length)
return this.mString.charAt(this.mPos++);
return -1;
},
peek: function() {
if (this.mPos < this.mString.length)
return this.mString.charAt(this.mPos);
return -1;
},
isHexDigit: function(c) {
var code = c.charCodeAt(0);
return (code < 256 && (this.kLexTable[code] & IS_HEX_DIGIT) != 0);
},
isIdentStart: function(c) {
var code = c.charCodeAt(0);
return (code >= 256 || (this.kLexTable[code] & START_IDENT) != 0);
},
startsWithIdent: function(aFirstChar, aSecondChar) {
var code = aFirstChar.charCodeAt(0);
return this.isIdentStart(aFirstChar) ||
(aFirstChar == "-" && this.isIdentStart(aSecondChar));
},
isIdent: function(c) {
var code = c.charCodeAt(0);
return (code >= 256 || (this.kLexTable[code] & IS_IDENT) != 0);
},
pushback: function() {
this.mPos--;
},
nextHexValue: function() {
var c = this.read();
if (c == -1 || !this.isHexDigit(c))
return new jscsspToken(jscsspToken.NULL_TYPE, null);
var s = c;
c = this.read();
while (c != -1 && this.isHexDigit(c)) {
s += c;
c = this.read();
}
if (c != -1)
this.pushback();
return new jscsspToken(jscsspToken.HEX_TYPE, s);
},
gatherEscape: function() {
var c = this.peek();
if (c == -1)
return "";
if (this.isHexDigit(c)) {
var code = 0;
for (var i = 0; i < 6; i++) {
c = this.read();
if (this.isHexDigit(c))
code = code * 16 + this.kHexValues[c.toLowerCase()];
else if (!this.isHexDigit(c) && !this.isWhiteSpace(c)) {
this.pushback();
break;
}
else
break;
}
if (i == 6) {
c = this.peek();
if (this.isWhiteSpace(c))
this.read();
}
return String.fromCharCode(code);
}
c = this.read();
if (c != "\n")
return c;
return "";
},
gatherIdent: function(c) {
var s = "";
if (c == CSS_ESCAPE)
s += this.gatherEscape();
else
s += c;
c = this.read();
while (c != -1
&& (this.isIdent(c) || c == CSS_ESCAPE)) {
if (c == CSS_ESCAPE)
s += this.gatherEscape();
else
s += c;
c = this.read();
}
if (c != -1)
this.pushback();
return s;
},
parseIdent: function(c) {
var value = this.gatherIdent(c);
var nextChar = this.peek();
if (nextChar == "(") {
value += this.read();
return new jscsspToken(jscsspToken.FUNCTION_TYPE, value);
}
return new jscsspToken(jscsspToken.IDENT_TYPE, value);
},
isDigit: function(c) {
return (c >= '0') && (c <= '9');
},
parseComment: function(c) {
var s = c;
while ((c = this.read()) != -1) {
s += c;
if (c == "*") {
c = this.read();
if (c == -1)
break;
if (c == "/") {
s += c;
break;
}
this.pushback();
}
}
return new jscsspToken(jscsspToken.COMMENT_TYPE, s);
},
parseNumber: function(c) {
var s = c;
var foundDot = false;
while ((c = this.read()) != -1) {
if (c == ".") {
if (foundDot)
break;
else {
s += c;
foundDot = true;
}
} else if (this.isDigit(c))
s += c;
else
break;
}
if (c != -1 && this.startsWithIdent(c, this.peek())) { // DIMENSION
var unit = this.gatherIdent(c);
s += unit;
return new jscsspToken(jscsspToken.DIMENSION_TYPE, s, unit);
}
else if (c == "%") {
s += "%";
return new jscsspToken(jscsspToken.PERCENTAGE_TYPE, s);
}
else if (c != -1)
this.pushback();
return new jscsspToken(jscsspToken.NUMBER_TYPE, s);
},
parseString: function(aStop) {
var s = aStop;
var previousChar = aStop;
var c;
while ((c = this.read()) != -1) {
if (c == aStop && previousChar != CSS_ESCAPE) {
s += c;
break;
}
else if (c == CSS_ESCAPE) {
c = this.peek();
if (c == -1)
break;
else if (c == "\n" || c == "\r" || c == "\f") {
d = c;
c = this.read();
// special for Opera that preserves \r\n...
if (d == "\r") {
c = this.peek();
if (c == "\n")
c = this.read();
}
}
else {
s += this.gatherEscape();
c = this.peek();
}
}
else if (c == "\n" || c == "\r" || c == "\f") {
break;
}
else
s += c;
previousChar = c;
}
return new jscsspToken(jscsspToken.STRING_TYPE, s);
},
isWhiteSpace: function(c) {
var code = c.charCodeAt(0);
return code < 256 && (this.kLexTable[code] & IS_WHITESPACE) != 0;
},
eatWhiteSpace: function(c) {
var s = c;
while ((c = this.read()) != -1) {
if (!this.isWhiteSpace(c))
break;
s += c;
}
if (c != -1)
this.pushback();
return s;
},
parseAtKeyword: function(c) {
return new jscsspToken(jscsspToken.ATRULE_TYPE, this.gatherIdent(c));
},
nextToken: function() {
var c = this.read();
if (c == -1)
return new jscsspToken(jscsspToken.NULL_TYPE, null);
if (this.startsWithIdent(c, this.peek()))
return this.parseIdent(c);
if (c == '@') {
var nextChar = this.read();
if (nextChar != -1) {
var followingChar = this.peek();
this.pushback();
if (this.startsWithIdent(nextChar, followingChar))
return this.parseAtKeyword(c);
}
}
if (c == "." || c == "+" || c == "-") {
var nextChar = this.peek();
if (this.isDigit(nextChar))
return this.parseNumber(c);
else if (nextChar == "." && c != ".") {
firstChar = this.read();
var secondChar = this.peek();
this.pushback();
if (this.isDigit(secondChar))
return this.parseNumber(c);
}
}
if (this.isDigit(c)) {
return this.parseNumber(c);
}
if (c == "'" || c == '"')
return this.parseString(c);
if (this.isWhiteSpace(c)) {
var s = this.eatWhiteSpace(c);
return new jscsspToken(jscsspToken.WHITESPACE_TYPE, s);
}
if (c == "|" || c == "~" || c == "^" || c == "$" || c == "*") {
var nextChar = this.read();
if (nextChar == "=") {
switch (c) {
case "~" :
return new jscsspToken(jscsspToken.INCLUDES_TYPE, "~=");
case "|" :
return new jscsspToken(jscsspToken.DASHMATCH_TYPE, "|=");
case "^" :
return new jscsspToken(jscsspToken.BEGINSMATCH_TYPE, "^=");
case "$" :
return new jscsspToken(jscsspToken.ENDSMATCH_TYPE, "$=");
case "*" :
return new jscsspToken(jscsspToken.CONTAINSMATCH_TYPE, "*=");
default :
break;
}
} else if (nextChar != -1)
this.pushback();
}
if (c == "/" && this.peek() == "*")
return this.parseComment(c);
return new jscsspToken(jscsspToken.SYMBOL_TYPE, c);
}
};
CSSParser.prototype.parseBackgroundImages = function()
{
var backgrounds = [];
var token = this.getToken(true, true);
while (token.isNotNull()) {
if (token.isFunction("url(")) {
token = this.getToken(true, true);
var urlContent = this.parseURL(token);
backgrounds.push( { type: "image", value: "url(" + urlContent });
token = this.getToken(true, true);
}
else if (token.isFunction("linear-gradient(")
|| token.isFunction("radial-gradient(")
|| token.isFunction("repeating-linear-gradient(")
|| token.isFunction("repeating-radial-gradient(")) {
this.ungetToken();
var gradient = this.parseGradient();
if (gradient) {
backgrounds.push({
type: gradient.isRadial ? "radial-gradient" : "linear-gradient",
value: gradient
});
token = this.getToken(true, true);
}
else
return null;
}
else if (token.isIdent("none")
|| token.isIdent("inherit")
|| token.isIdent("initial")) {
backgrounds.push( { type: token.value });
token = this.getToken(true, true);
}
else
return null;
if (token.isSymbol(",")) {
token = this.getToken(true, true);
if (!token.isNotNull())
return null;
}
}
return backgrounds;
};
CSSParser.prototype.parseBackgroundShorthand = function(token, aDecl, aAcceptPriority)
{
var kHPos = {
"left" : true,
"right" : true
};
var kVPos = {
"top" : true,
"bottom" : true
};
var kPos = {
"left" : true,
"right" : true,
"top" : true,
"bottom" : true,
"center" : true
};
var bgColor = null;
var bgRepeat = null;
var bgAttachment = null;
var bgImage = null;
var bgPosition = null;
while (true) {
if (!token.isNotNull())
break;
if (token.isSymbol(";")
|| (aAcceptPriority && token.isSymbol("!"))
|| token.isSymbol("}")) {
if (token.isSymbol("}"))
this.ungetToken();
break;
}
else if (!bgColor
&& !bgRepeat
&& !bgAttachment
&& !bgImage
&& !bgPosition
&& token.isIdent(this.kINHERIT)) {
bgColor = this.kINHERIT;
bgRepeat = this.kINHERIT;
bgAttachment = this.kINHERIT;
bgImage = this.kINHERIT;
bgPosition = this.kINHERIT;
}
else {
if (!bgAttachment
&& (token.isIdent("scroll") || token.isIdent("fixed"))) {
bgAttachment = token.value;
}
else if (!bgPosition
&& ((token.isIdent() && token.value in kPos)
|| token.isDimension()
|| token.isNumber("0")
|| token.isPercentage())) {
bgPosition = token.value;
token = this.getToken(true, true);
if (token.isDimension()
|| token.isNumber("0")
|| token.isPercentage()) {
bgPosition += " " + token.value;
} else if (token.isIdent() && token.value in kPos) {
if ((bgPosition in kHPos && token.value in kHPos)
|| (bgPosition in kVPos && token.value in kVPos))
return "";
bgPosition += " " + token.value;
} else {
this.ungetToken();
bgPosition += " center";
}
}
else if (!bgRepeat
&& (token.isIdent("repeat")
|| token.isIdent("repeat-x")
|| token.isIdent("repeat-y")
|| token.isIdent("no-repeat"))) {
bgRepeat = token.value;
}
else if (!bgImage
&& (token.isFunction("url(") || token.isIdent("none"))) {
bgImage = token.value;
if (token.isFunction("url(")) {
token = this.getToken(true, true);
var url = this.parseURL(token); // TODO
if (url)
bgImage += url;
else
return "";
}
}
else if (!bgImage
&& (token.isFunction("linear-gradient(")
|| token.isFunction("radial-gradient(")
|| token.isFunction("repeating-linear-gradient(") || token.isFunction("repeating-radial-gradient("))) {
this.ungetToken();
var gradient = this.parseGradient();
if (gradient)
bgImage = this.serializeGradient(gradient);
else
return "";
}
else {
var color = this.parseColor(token);
if (!bgColor && color)
bgColor = color;
else
return "";
}
}
token = this.getToken(true, true);
}
// create the declarations
this.forgetState();
bgColor = bgColor ? bgColor : "transparent";
bgImage = bgImage ? bgImage : "none";
bgRepeat = bgRepeat ? bgRepeat : "repeat";
bgAttachment = bgAttachment ? bgAttachment : "scroll";
bgPosition = bgPosition ? bgPosition : "top left";
aDecl.push(this._createJscsspDeclarationFromValue("background-color", bgColor));
aDecl.push(this._createJscsspDeclarationFromValue("background-image", bgImage));
aDecl.push(this._createJscsspDeclarationFromValue("background-repeat", bgRepeat));
aDecl.push(this._createJscsspDeclarationFromValue("background-attachment", bgAttachment));
aDecl.push(this._createJscsspDeclarationFromValue("background-position", bgPosition));
return bgColor + " " + bgImage + " " + bgRepeat + " " + bgAttachment + " " + bgPosition;
};
CSSParser.prototype.parseBorderColorShorthand = function(token, aDecl, aAcceptPriority)
{
var top = null;
var bottom = null;
var left = null;
var right = null;
var values = [];
while (true) {
if (!token.isNotNull())
break;
if (token.isSymbol(";")
|| (aAcceptPriority && token.isSymbol("!"))
|| token.isSymbol("}")) {
if (token.isSymbol("}"))
this.ungetToken();
break;
}
else if (!values.length && token.isIdent(this.kINHERIT)) {
values.push(token.value);
token = this.getToken(true, true);
break;
}
else {
var color = this.parseColor(token);
if (color)
values.push(color);
else
return "";
}
token = this.getToken(true, true);
}
var count = values.length;
switch (count) {
case 1:
top = values[0];
bottom = top;
left = top;
right = top;
break;
case 2:
top = values[0];
bottom = top;
left = values[1];
right = left;
break;
case 3:
top = values[0];
left = values[1];
right = left;
bottom = values[2];
break;
case 4:
top = values[0];
right = values[1];
bottom = values[2];
left = values[3];
break;
default:
return "";
}
this.forgetState();
aDecl.push(this._createJscsspDeclarationFromValue("border-top-color", top));
aDecl.push(this._createJscsspDeclarationFromValue("border-right-color", right));
aDecl.push(this._createJscsspDeclarationFromValue("border-bottom-color", bottom));
aDecl.push(this._createJscsspDeclarationFromValue("border-left-color", left));
return top + " " + right + " " + bottom + " " + left;
};
CSSParser.prototype.parseBorderEdgeOrOutlineShorthand = function(token, aDecl, aAcceptPriority, aProperty)
{
var bWidth = null;
var bStyle = null;
var bColor = null;
while (true) {
if (!token.isNotNull())
break;
if (token.isSymbol(";")
|| (aAcceptPriority && token.isSymbol("!"))
|| token.isSymbol("}")) {
if (token.isSymbol("}"))
this.ungetToken();
break;
}
else if (!bWidth
&& !bStyle
&& !bColor
&& token.isIdent(this.kINHERIT)) {
bWidth = this.kINHERIT;
bStyle = this.kINHERIT;
bColor = this.kINHERIT;
}
else if (!bWidth &&
(token.isDimension()
|| (token.isIdent() && token.value in this.kBORDER_WIDTH_NAMES)
|| token.isNumber("0"))) {
bWidth = token.value;
}
else if (!bStyle &&
(token.isIdent() && token.value in this.kBORDER_STYLE_NAMES)) {
bStyle = token.value;
}
else {
var color = (aProperty == "outline" && token.isIdent("invert"))
? "invert" : this.parseColor(token);
if (!bColor && color)
bColor = color;
else
return "";
}
token = this.getToken(true, true);
}
// create the declarations
this.forgetState();
bWidth = bWidth ? bWidth : "medium";
bStyle = bStyle ? bStyle : "none";
bColor = bColor ? bColor : "-moz-initial";
function addPropertyToDecl(aSelf, aDecl, property, w, s, c) {
aDecl.push(aSelf._createJscsspDeclarationFromValue(property + "-width", w));
aDecl.push(aSelf._createJscsspDeclarationFromValue(property + "-style", s));
aDecl.push(aSelf._createJscsspDeclarationFromValue(property + "-color", c));
}
if (aProperty == "border") {
addPropertyToDecl(this, aDecl, "border-top", bWidth, bStyle, bColor);
addPropertyToDecl(this, aDecl, "border-right", bWidth, bStyle, bColor);
addPropertyToDecl(this, aDecl, "border-bottom", bWidth, bStyle, bColor);
addPropertyToDecl(this, aDecl, "border-left", bWidth, bStyle, bColor);
}
else
addPropertyToDecl(this, aDecl, aProperty, bWidth, bStyle, bColor);
return bWidth + " " + bStyle + " " + bColor;
};
CSSParser.prototype.parseBorderImage = function()
{
var borderImage = {url: "", offsets: [], widths: [], sizes: []};
var token = this.getToken(true, true);
if (token.isFunction("url(")) {
token = this.getToken(true, true);
var urlContent = this.parseURL(token);
if (urlContent) {
borderImage.url = urlContent.substr(0, urlContent.length - 1).trim();
if ((borderImage.url[0] == '"' && borderImage.url[borderImage.url.length - 1] == '"')
|| (borderImage.url[0] == "'" && borderImage.url[borderImage.url.length - 1] == "'"))
borderImage.url = borderImage.url.substr(1, borderImage.url.length - 2);
}
else
return null;
}
else
return null;
token = this.getToken(true, true);
if (token.isNumber()
|| token.isPercentage())
borderImage.offsets.push(token.value);
else
return null;
var i;
for (i= 0; i < 3; i++) {
token = this.getToken(true, true);
if (token.isNumber()
|| token.isPercentage())
borderImage.offsets.push(token.value);
else
break;
}
if (i == 3)
token = this.getToken(true, true);
if (token.isSymbol("/")) {
token = this.getToken(true, true);
if (token.isDimension()
|| token.isNumber("0")
|| (token.isIdent() && token.value in this.kBORDER_WIDTH_NAMES))
borderImage.widths.push(token.value);
else
return null;
for (var i = 0; i < 3; i++) {
token = this.getToken(true, true);
if (token.isDimension()
|| token.isNumber("0")
|| (token.isIdent() && token.value in this.kBORDER_WIDTH_NAMES))
borderImage.widths.push(token.value);
else
break;
}
if (i == 3)
token = this.getToken(true, true);
}
for (var i = 0; i < 2; i++) {
if (token.isIdent("stretch")
|| token.isIdent("repeat")
|| token.isIdent("round"))
borderImage.sizes.push(token.value);
else if (!token.isNotNull())
return borderImage;
else
return null;
token = this.getToken(true, true);
}
if (!token.isNotNull())
return borderImage;
return null;
};
CSSParser.prototype.parseBorderStyleShorthand = function(token, aDecl, aAcceptPriority)
{
var top = null;
var bottom = null;
var left = null;
var right = null;
var values = [];
while (true) {
if (!token.isNotNull())
break;
if (token.isSymbol(";")
|| (aAcceptPriority && token.isSymbol("!"))
|| token.isSymbol("}")) {
if (token.isSymbol("}"))
this.ungetToken();
break;
}
else if (!values.length && token.isIdent(this.kINHERIT)) {
values.push(token.value);
}
else if (token.isIdent() && token.value in this.kBORDER_STYLE_NAMES) {
values.push(token.value);
}
else
return "";
token = this.getToken(true, true);
}
var count = values.length;
switch (count) {
case 1:
top = values[0];
bottom = top;
left = top;
right = top;
break;
case 2:
top = values[0];
bottom = top;
left = values[1];
right = left;
break;
case 3:
top = values[0];
left = values[1];
right = left;
bottom = values[2];
break;
case 4:
top = values[0];
right = values[1];
bottom = values[2];
left = values[3];
break;
default:
return "";
}
this.forgetState();
aDecl.push(this._createJscsspDeclarationFromValue("border-top-style", top));
aDecl.push(this._createJscsspDeclarationFromValue("border-right-style", right));
aDecl.push(this._createJscsspDeclarationFromValue("border-bottom-style", bottom));
aDecl.push(this._createJscsspDeclarationFromValue("border-left-style", left));
return top + " " + right + " " + bottom + " " + left;
};
CSSParser.prototype.parseBorderWidthShorthand = function(token, aDecl, aAcceptPriority)
{
var top = null;
var bottom = null;
var left = null;
var right = null;
var values = [];
while (true) {
if (!token.isNotNull())
break;
if (token.isSymbol(";")
|| (aAcceptPriority && token.isSymbol("!"))
|| token.isSymbol("}")) {
if (token.isSymbol("}"))
this.ungetToken();
break;
}
else if (!values.length && token.isIdent(this.kINHERIT)) {
values.push(token.value);
}
else if (token.isDimension()
|| token.isNumber("0")
|| (token.isIdent() && token.value in this.kBORDER_WIDTH_NAMES)) {
values.push(token.value);
}
else
return "";
token = this.getToken(true, true);
}
var count = values.length;
switch (count) {
case 1:
top = values[0];
bottom = top;
left = top;
right = top;
break;
case 2:
top = values[0];
bottom = top;
left = values[1];
right = left;
break;
case 3:
top = values[0];
left = values[1];
right = left;
bottom = values[2];
break;
case 4:
top = values[0];
right = values[1];
bottom = values[2];
left = values[3];
break;
default:
return "";
}
this.forgetState();
aDecl.push(this._createJscsspDeclarationFromValue("border-top-width", top));
aDecl.push(this._createJscsspDeclarationFromValue("border-right-width", right));
aDecl.push(this._createJscsspDeclarationFromValue("border-bottom-width", bottom));
aDecl.push(this._createJscsspDeclarationFromValue("border-left-width", left));
return top + " " + right + " " + bottom + " " + left;
};
CSSParser.prototype.parseBoxShadows = function()
{
var shadows = [];
var token = this.getToken(true, true);
var color = "", blurRadius = "0px", offsetX = "0px", offsetY = "0px", spreadRadius = "0px";
var inset = false;
while (token.isNotNull()) {
if (token.isIdent("none")) {
shadows.push( { none: true } );
token = this.getToken(true, true);
}
else {
if (token.isIdent('inset')) {
inset = true;
token = this.getToken(true, true);
}
if (token.isPercentage() ||
token.isDimensionOfUnit("cm") ||
token.isDimensionOfUnit("mm") ||
token.isDimensionOfUnit("in") ||
token.isDimensionOfUnit("pc") ||
token.isDimensionOfUnit("px") ||
token.isDimensionOfUnit("em") ||
token.isDimensionOfUnit("ex") ||
token.isDimensionOfUnit("pt")) {
var offsetX = token.value;
token = this.getToken(true, true);
}
else
return [];
if (!inset && token.isIdent('inset')) {
inset = true;
token = this.getToken(true, true);
}
if (token.isPercentage() ||
token.isDimensionOfUnit("cm") ||
token.isDimensionOfUnit("mm") ||
token.isDimensionOfUnit("in") ||
token.isDimensionOfUnit("pc") ||
token.isDimensionOfUnit("px") ||
token.isDimensionOfUnit("em") ||
token.isDimensionOfUnit("ex") ||
token.isDimensionOfUnit("pt")) {
var offsetY = token.value;
token = this.getToken(true, true);
}
else
return [];
if (!inset && token.isIdent('inset')) {
inset = true;
token = this.getToken(true, true);
}
if (token.isPercentage() ||
token.isDimensionOfUnit("cm") ||
token.isDimensionOfUnit("mm") ||
token.isDimensionOfUnit("in") ||
token.isDimensionOfUnit("pc") ||
token.isDimensionOfUnit("px") ||
token.isDimensionOfUnit("em") ||
token.isDimensionOfUnit("ex") ||
token.isDimensionOfUnit("pt")) {
var blurRadius = token.value;
token = this.getToken(true, true);
}
if (!inset && token.isIdent('inset')) {
inset = true;
token = this.getToken(true, true);
}
if (token.isPercentage() ||
token.isDimensionOfUnit("cm") ||
token.isDimensionOfUnit("mm") ||
token.isDimensionOfUnit("in") ||
token.isDimensionOfUnit("pc") ||
token.isDimensionOfUnit("px") ||
token.isDimensionOfUnit("em") ||
token.isDimensionOfUnit("ex") ||
token.isDimensionOfUnit("pt")) {
var spreadRadius = token.value;
token = this.getToken(true, true);
}
if (!inset && token.isIdent('inset')) {
inset = true;
token = this.getToken(true, true);
}
if (token.isFunction("rgb(") ||
token.isFunction("rgba(") ||
token.isFunction("hsl(") ||
token.isFunction("hsla(") ||
token.isSymbol("#") ||
token.isIdent()) {
var color = this.parseColor(token);
token = this.getToken(true, true);
}
if (!inset && token.isIdent('inset')) {
inset = true;
token = this.getToken(true, true);
}
shadows.push( { none: false,
color: color,
offsetX: offsetX, offsetY: offsetY,
blurRadius: blurRadius,
spreadRadius: spreadRadius,
inset: inset
} );
if (token.isSymbol(",")) {
inset = false;
color = "";
blurRadius = "0px";
spreadRadius = "0px"
offsetX = "0px";
offsetY = "0px";
token = this.getToken(true, true);
}
else if (!token.isNotNull())
return shadows;
else
return [];
}
}
return shadows;
};
CSSParser.prototype.parseCharsetRule = function(aSheet) {
var token = this.getToken(false, false);
if (token.isAtRule("@charset") && token.value == "@charset") { // lowercase check
var s = token.value;
token = this.getToken(false, false);
s += token.value;
if (token.isWhiteSpace(" ")) {
token = this.getToken(false, false);
s += token.value;
if (token.isString()) {
var encoding = token.value;
token = this.getToken(false, false);
s += token.value;
if (token.isSymbol(";")) {
var rule = new jscsspCharsetRule();
rule.encoding = encoding;
rule.parsedCssText = s;
rule.parentStyleSheet = aSheet;
aSheet.cssRules.push(rule);
return true;
}
else
this.reportError(kCHARSET_RULE_MISSING_SEMICOLON);
}
else
this.reportError(kCHARSET_RULE_CHARSET_IS_STRING);
}
else
this.reportError(kCHARSET_RULE_MISSING_WS);
}
this.addUnknownAtRule(aSheet, s);
return false;
};
CSSParser.prototype.parseColor = function(token)
{
var color = "";
if (token.isFunction("rgb(")
|| token.isFunction("rgba(")) {
color = token.value;
var isRgba = token.isFunction("rgba(")
token = this.getToken(true, true);
if (!token.isNumber() && !token.isPercentage())
return "";
color += token.value;
token = this.getToken(true, true);
if (!token.isSymbol(","))
return "";
color += ", ";
token = this.getToken(true, true);
if (!token.isNumber() && !token.isPercentage())
return "";
color += token.value;
token = this.getToken(true, true);
if (!token.isSymbol(","))
return "";
color += ", ";
token = this.getToken(true, true);
if (!token.isNumber() && !token.isPercentage())
return "";
color += token.value;
if (isRgba) {
token = this.getToken(true, true);
if (!token.isSymbol(","))
return "";
color += ", ";
token = this.getToken(true, true);
if (!token.isNumber())
return "";
color += token.value;
}
token = this.getToken(true, true);
if (!token.isSymbol(")"))
return "";
color += token.value;
}
else if (token.isFunction("hsl(")
|| token.isFunction("hsla(")) {
color = token.value;
var isHsla = token.isFunction("hsla(")
token = this.getToken(true, true);
if (!token.isNumber())
return "";
color += token.value;
token = this.getToken(true, true);
if (!token.isSymbol(","))
return "";
color += ", ";
token = this.getToken(true, true);
if (!token.isPercentage())
return "";
color += token.value;
token = this.getToken(true, true);
if (!token.isSymbol(","))
return "";
color += ", ";
token = this.getToken(true, true);
if (!token.isPercentage())
return "";
color += token.value;
if (isHsla) {
token = this.getToken(true, true);
if (!token.isSymbol(","))
return "";
color += ", ";
token = this.getToken(true, true);
if (!token.isNumber())
return "";
color += token.value;
}
token = this.getToken(true, true);
if (!token.isSymbol(")"))
return "";
color += token.value;
}
else if (token.isIdent()
&& (token.value in this.kCOLOR_NAMES))
color = token.value;
else if (token.isSymbol("#")) {
token = this.getHexValue();
if (!token.isHex())
return "";
var length = token.value.length;
if (length != 3 && length != 6)
return "";
if (token.value.match( /[a-fA-F0-9]/g ).length != length)
return "";
color = "#" + token.value;
}
return color;
};
CSSParser.prototype.parseCueShorthand = function(token, declarations, aAcceptPriority)
{
var before = "";
var after = "";
var values = [];
var values = [];
while (true) {
if (!token.isNotNull())
break;
if (token.isSymbol(";")
|| (aAcceptPriority && token.isSymbol("!"))
|| token.isSymbol("}")) {
if (token.isSymbol("}"))
this.ungetToken();
break;
}
else if (!values.length && token.isIdent(this.kINHERIT)) {
values.push(token.value);
}
else if (token.isIdent("none"))
values.push(token.value);
else if (token.isFunction("url(")) {
token = this.getToken(true, true);
var urlContent = this.parseURL(token);
if (urlContent)
values.push("url(" + urlContent);
else
return "";
}
else
return "";
token = this.getToken(true, true);
}
var count = values.length;
switch (count) {
case 1:
before = values[0];
after = before;
break;
case 2:
before = values[0];
after = values[1];
break;
default:
return "";
}
this.forgetState();
aDecl.push(this._createJscsspDeclarationFromValue("cue-before", before));
aDecl.push(this._createJscsspDeclarationFromValue("cue-after", after));
return before + " " + after;
};
CSSParser.prototype.parseDeclaration = function(aToken, aDecl, aAcceptPriority, aExpandShorthands, aSheet) {
this.preserveState();
var blocks = [];
if (aToken.isIdent()) {
var descriptor = aToken.value.toLowerCase();
var token = this.getToken(true, true);
if (token.isSymbol(":")) {
var token = this.getToken(true, true);
var value = "";
var declarations = [];
if (aExpandShorthands)
switch (descriptor) {
case "background":
value = this.parseBackgroundShorthand(token, declarations, aAcceptPriority);
break;
case "margin":
case "padding":
value = this.parseMarginOrPaddingShorthand(token, declarations, aAcceptPriority, descriptor);
break;
case "border-color":
value = this.parseBorderColorShorthand(token, declarations, aAcceptPriority);
break;
case "border-style":
value = this.parseBorderStyleShorthand(token, declarations, aAcceptPriority);
break;
case "border-width":
value = this.parseBorderWidthShorthand(token, declarations, aAcceptPriority);
break;
case "border-top":
case "border-right":
case "border-bottom":
case "border-left":
case "border":
case "outline":
value = this.parseBorderEdgeOrOutlineShorthand(token, declarations, aAcceptPriority, descriptor);
break;
case "cue":
value = this.parseCueShorthand(token, declarations, aAcceptPriority);
break;
case "pause":
value = this.parsePauseShorthand(token, declarations, aAcceptPriority);
break;
case "font":
value = this.parseFontShorthand(token, declarations, aAcceptPriority);
break;
case "list-style":
value = this.parseListStyleShorthand(token, declarations, aAcceptPriority);
break;
default:
value = this.parseDefaultPropertyValue(token, declarations, aAcceptPriority, descriptor, aSheet);
break;
}
else
value = this.parseDefaultPropertyValue(token, declarations, aAcceptPriority, descriptor, aSheet);
token = this.currentToken();
if (value) // no error above
{
var priority = false;
if (token.isSymbol("!")) {
token = this.getToken(true, true);
if (token.isIdent("important")) {
priority = true;
token = this.getToken(true, true);
if (token.isSymbol(";") || token.isSymbol("}")) {
if (token.isSymbol("}"))
this.ungetToken();
}
else return "";
}
else return "";
}
else if (token.isNotNull() && !token.isSymbol(";") && !token.isSymbol("}"))
return "";
for (var i = 0; i < declarations.length; i++) {
declarations[i].priority = priority;
aDecl.push(declarations[i]);
}
return descriptor + ": " + value + ";";
}
}
}
else if (aToken.isComment()) {
if (this.mPreserveComments) {
this.forgetState();
var comment = new jscsspComment();
comment.parsedCssText = aToken.value;
aDecl.push(comment);
}
return aToken.value;
}
// we have an error here, let's skip it
this.restoreState();
var s = aToken.value;
blocks = [];
var token = this.getToken(false, false);
while (token.isNotNull()) {
s += token.value;
if ((token.isSymbol(";") || token.isSymbol("}")) && !blocks.length) {
if (token.isSymbol("}"))
this.ungetToken();
break;
} else if (token.isSymbol("{")
|| token.isSymbol("(")
|| token.isSymbol("[")
|| token.isFunction()) {
blocks.push(token.isFunction() ? "(" : token.value);
} else if (token.isSymbol("}")
|| token.isSymbol(")")
|| token.isSymbol("]")) {
if (blocks.length) {
var ontop = blocks[blocks.length - 1];
if ((token.isSymbol("}") && ontop == "{")
|| (token.isSymbol(")") && ontop == "(")
|| (token.isSymbol("]") && ontop == "[")) {
blocks.pop();
}
}
}
token = this.getToken(false, false);
}
return "";
};
CSSParser.prototype.reportError = function(aMsg) {
this.mError = aMsg;
};
CSSParser.prototype.consumeError = function() {
var e = this.mError;
this.mError = null;
return e;
};
function CSSParser(aString)
{
this.mToken = null;
this.mLookAhead = null;
this.mScanner = new CSSScanner(aString);
this.mPreserveWS = true;
this.mPreserveComments = true;
this.mPreservedTokens = [];
this.mError = null;
}
CSSParser.prototype._init = function() {
this.mToken = null;
this.mLookAhead = null;
};
CSSParser.prototype.kINHERIT = "inherit",
CSSParser.prototype.kBORDER_WIDTH_NAMES = {
"thin": true,
"medium": true,
"thick": true
};
CSSParser.prototype.kBORDER_STYLE_NAMES = {
"none": true,
"hidden": true,
"dotted": true,
"dashed": true,
"solid": true,
"double": true,
"groove": true,
"ridge": true,
"inset": true,
"outset": true
};
CSSParser.prototype.kCOLOR_NAMES = {
"transparent": true,
"black": true,
"silver": true,
"gray": true,
"white": true,
"maroon": true,
"red": true,
"purple": true,
"fuchsia": true,
"green": true,
"lime": true,
"olive": true,
"yellow": true,
"navy": true,
"blue": true,
"teal": true,
"aqua": true,
"aliceblue": true,
"antiquewhite": true,
"aquamarine": true,
"azure": true,
"beige": true,
"bisque": true,
"blanchedalmond": true,
"blueviolet": true,
"brown": true,
"burlywood": true,
"cadetblue": true,
"chartreuse": true,
"chocolate": true,
"coral": true,
"cornflowerblue": true,
"cornsilk": true,
"crimson": true,
"cyan": true,
"darkblue": true,
"darkcyan": true,
"darkgoldenrod": true,
"darkgray": true,
"darkgreen": true,
"darkgrey": true,
"darkkhaki": true,
"darkmagenta": true,
"darkolivegreen": true,
"darkorange": true,
"darkorchid": true,
"darkred": true,
"darksalmon": true,
"darkseagreen": true,
"darkslateblue": true,
"darkslategray": true,
"darkslategrey": true,
"darkturquoise": true,
"darkviolet": true,
"deeppink": true,
"deepskyblue": true,
"dimgray": true,
"dimgrey": true,
"dodgerblue": true,
"firebrick": true,
"floralwhite": true,
"forestgreen": true,
"gainsboro": true,
"ghostwhite": true,
"gold": true,
"goldenrod": true,
"greenyellow": true,
"grey": true,
"honeydew": true,
"hotpink": true,
"indianred": true,
"indigo": true,
"ivory": true,
"khaki": true,
"lavender": true,
"lavenderblush": true,
"lawngreen": true,
"lemonchiffon": true,
"lightblue": true,
"lightcoral": true,
"lightcyan": true,
"lightgoldenrodyellow": true,
"lightgray": true,
"lightgreen": true,
"lightgrey": true,
"lightpink": true,
"lightsalmon": true,
"lightseagreen": true,
"lightskyblue": true,
"lightslategray": true,
"lightslategrey": true,
"lightsteelblue": true,
"lightyellow": true,
"limegreen": true,
"linen": true,
"magenta": true,
"mediumaquamarine": true,
"mediumblue": true,
"mediumorchid": true,
"mediumpurple": true,
"mediumseagreen": true,
"mediumslateblue": true,
"mediumspringgreen": true,
"mediumturquoise": true,
"mediumvioletred": true,
"midnightblue": true,
"mintcream": true,
"mistyrose": true,
"moccasin": true,
"navajowhite": true,
"oldlace": true,
"olivedrab": true,
"orange": true,
"orangered": true,
"orchid": true,
"palegoldenrod": true,
"palegreen": true,
"paleturquoise": true,
"palevioletred": true,
"papayawhip": true,
"peachpuff": true,
"peru": true,
"pink": true,
"plum": true,
"powderblue": true,
"rosybrown": true,
"royalblue": true,
"saddlebrown": true,
"salmon": true,
"sandybrown": true,
"seagreen": true,
"seashell": true,
"sienna": true,
"skyblue": true,
"slateblue": true,
"slategray": true,
"slategrey": true,
"snow": true,
"springgreen": true,
"steelblue": true,
"tan": true,
"thistle": true,
"tomato": true,
"turquoise": true,
"violet": true,
"wheat": true,
"whitesmoke": true,
"yellowgreen": true,
"activeborder": true,
"activecaption": true,
"appworkspace": true,
"background": true,
"buttonface": true,
"buttonhighlight": true,
"buttonshadow": true,
"buttontext": true,
"captiontext": true,
"graytext": true,
"highlight": true,
"highlighttext": true,
"inactiveborder": true,
"inactivecaption": true,
"inactivecaptiontext": true,
"infobackground": true,
"infotext": true,
"menu": true,
"menutext": true,
"scrollbar": true,
"threeddarkshadow": true,
"threedface": true,
"threedhighlight": true,
"threedlightshadow": true,
"threedshadow": true,
"window": true,
"windowframe": true,
"windowtext": true
};
CSSParser.prototype.kLIST_STYLE_TYPE_NAMES = {
"decimal": true,
"decimal-leading-zero": true,
"lower-roman": true,
"upper-roman": true,
"georgian": true,
"armenian": true,
"lower-latin": true,
"lower-alpha": true,
"upper-latin": true,
"upper-alpha": true,
"lower-greek": true,
"disc": true,
"circle": true,
"square": true,
"none": true,
/* CSS 3 */
"box": true,
"check": true,
"diamond": true,
"hyphen": true,
"lower-armenian": true,
"cjk-ideographic": true,
"ethiopic-numeric": true,
"hebrew": true,
"japanese-formal": true,
"japanese-informal": true,
"simp-chinese-formal": true,
"simp-chinese-informal": true,
"syriac": true,
"tamil": true,
"trad-chinese-formal": true,
"trad-chinese-informal": true,
"upper-armenian": true,
"arabic-indic": true,
"binary": true,
"bengali": true,
"cambodian": true,
"khmer": true,
"devanagari": true,
"gujarati": true,
"gurmukhi": true,
"kannada": true,
"lower-hexadecimal": true,
"lao": true,
"malayalam": true,
"mongolian": true,
"myanmar": true,
"octal": true,
"oriya": true,
"persian": true,
"urdu": true,
"telugu": true,
"tibetan": true,
"upper-hexadecimal": true,
"afar": true,
"ethiopic-halehame-aa-et": true,
"ethiopic-halehame-am-et": true,
"amharic-abegede": true,
"ehiopic-abegede-am-et": true,
"cjk-earthly-branch": true,
"cjk-heavenly-stem": true,
"ethiopic": true,
"ethiopic-abegede": true,
"ethiopic-abegede-gez": true,
"hangul-consonant": true,
"hangul": true,
"hiragana-iroha": true,
"hiragana": true,
"katakana-iroha": true,
"katakana": true,
"lower-norwegian": true,
"oromo": true,
"ethiopic-halehame-om-et": true,
"sidama": true,
"ethiopic-halehame-sid-et": true,
"somali": true,
"ethiopic-halehame-so-et": true,
"tigre": true,
"ethiopic-halehame-tig": true,
"tigrinya-er-abegede": true,
"ethiopic-abegede-ti-er": true,
"tigrinya-et": true,
"ethiopic-halehame-ti-et": true,
"upper-greek": true,
"asterisks": true,
"footnotes": true,
"circled-decimal": true,
"circled-lower-latin": true,
"circled-upper-latin": true,
"dotted-decimal": true,
"double-circled-decimal": true,
"filled-circled-decimal": true,
"parenthesised-decimal": true,
"parenthesised-lower-latin": true
};
CSSParser.prototype.parseFontFaceRule = function(aToken, aSheet) {
var currentLine = CountLF(this.mScanner.getAlreadyScanned());
var s = aToken.value;
var valid = false;
var descriptors = [];
this.preserveState();
var token = this.getToken(true, true);
if (token.isNotNull()) {
// expecting block start
if (token.isSymbol("{")) {
s += " " + token.value;
var token = this.getToken(true, false);
while (true) {
if (token.isSymbol("}")) {
s += "}";
valid = true;
break;
} else {
var d = this.parseDeclaration(token, descriptors, false, false, aSheet);
s += ((d && descriptors.length) ? " " : "") + d;
}
token = this.getToken(true, false);
}
}
}
if (valid) {
this.forgetState();
var rule = new jscsspFontFaceRule();
rule.currentLine = currentLine;
rule.parsedCssText = s;
rule.descriptors = descriptors;
rule.parentStyleSheet = aSheet;
aSheet.cssRules.push(rule)
return true;
}
this.restoreState();
return false;
};
CSSParser.prototype.parseFontShorthand = function(token, aDecl, aAcceptPriority)
{
var kStyle = {"italic": true, "oblique": true };
var kVariant = {"small-caps": true };
var kWeight = { "bold": true, "bolder": true, "lighter": true,
"100": true, "200": true, "300": true, "400": true,
"500": true, "600": true, "700": true, "800": true,
"900": true };
var kSize = { "xx-small": true, "x-small": true, "small": true, "medium": true,
"large": true, "x-large": true, "xx-large": true,
"larger": true, "smaller": true };
var kValues = { "caption": true, "icon": true, "menu": true, "message-box": true, "small-caption": true, "status-bar": true };
var kFamily = { "serif": true, "sans-serif": true, "cursive": true, "fantasy": true, "monospace": true };
var fStyle = null;
var fVariant = null;
var fWeight = null;
var fSize = null;
var fLineHeight = null;
var fFamily = "";
var fSystem = null;
var fFamilyValues = [];
var normalCount = 0;
while (true) {
if (!token.isNotNull())
break;
if (token.isSymbol(";")
|| (aAcceptPriority && token.isSymbol("!"))
|| token.isSymbol("}")) {
if (token.isSymbol("}"))
this.ungetToken();
break;
}
else if (!fStyle && !fVariant && !fWeight
&& !fSize && !fLineHeight && !fFamily
&& !fSystem
&& token.isIdent(this.kINHERIT)) {
fStyle = this.kINHERIT;
fVariant = this.kINHERIT;
fWeight = this.kINHERIT;
fSize = this.kINHERIT;
fLineHeight = this.kINHERIT;
fFamily = this.kINHERIT;
fSystem = this.kINHERIT;
}
else {
if (!fSystem && (token.isIdent() && token.value in kValues)) {
fSystem = token.value;
break;
}
else {
if (!fStyle
&& token.isIdent()
&& (token.value in kStyle)) {
fStyle = token.value;
}
else if (!fVariant
&& token.isIdent()
&& (token.value in kVariant)) {
fVariant = token.value;
}
else if (!fWeight
&& (token.isIdent() || token.isNumber())
&& (token.value in kWeight)) {
fWeight = token.value;
}
else if (!fSize
&& ((token.isIdent() && (token.value in kSize))
|| token.isDimension()
|| token.isPercentage())) {
fSize = token.value;
token = this.getToken(false, false);
if (token.isSymbol("/")) {
token = this.getToken(false, false);
if (!fLineHeight &&
(token.isDimension() || token.isNumber() || token.isPercentage())) {
fLineHeight = token.value;
}
else
return "";
}
else if (!token.isWhiteSpace())
continue;
}
else if (token.isIdent("normal")) {
normalCount++;
if (normalCount > 3)
return "";
}
else if (!fFamily && // *MUST* be last to be tested here
(token.isString()
|| token.isIdent())) {
var lastWasComma = false;
while (true) {
if (!token.isNotNull())
break;
else if (token.isSymbol(";")
|| (aAcceptPriority && token.isSymbol("!"))
|| token.isSymbol("}")) {
this.ungetToken();
break;
}
else if (token.isIdent() && token.value in kFamily) {
var value = new jscsspVariable(kJscsspPRIMITIVE_VALUE, null);
value.value = token.value;
fFamilyValues.push(value);
fFamily += token.value;
break;
}
else if (token.isString() || token.isIdent()) {
var value = new jscsspVariable(kJscsspPRIMITIVE_VALUE, null);
value.value = token.value;
fFamilyValues.push(value);
fFamily += token.value;
lastWasComma = false;
}
else if (!lastWasComma && token.isSymbol(",")) {
fFamily += ", ";
lastWasComma = true;
}
else
return "";
token = this.getToken(true, true);
}
}
else {
return "";
}
}
}
token = this.getToken(true, true);
}
// create the declarations
this.forgetState();
if (fSystem) {
aDecl.push(this._createJscsspDeclarationFromValue("font", fSystem));
return fSystem;
}
fStyle = fStyle ? fStyle : "normal";
fVariant = fVariant ? fVariant : "normal";
fWeight = fWeight ? fWeight : "normal";
fSize = fSize ? fSize : "medium";
fLineHeight = fLineHeight ? fLineHeight : "normal";
fFamily = fFamily ? fFamily : "-moz-initial";
aDecl.push(this._createJscsspDeclarationFromValue("font-style", fStyle));
aDecl.push(this._createJscsspDeclarationFromValue("font-variant", fVariant));
aDecl.push(this._createJscsspDeclarationFromValue("font-weight", fWeight));
aDecl.push(this._createJscsspDeclarationFromValue("font-size", fSize));
aDecl.push(this._createJscsspDeclarationFromValue("line-height", fLineHeight));
aDecl.push(this._createJscsspDeclarationFromValuesArray("font-family", fFamilyValues, fFamily));
return fStyle + " " + fVariant + " " + fWeight + " " + fSize + "/" + fLineHeight + " " + fFamily;
};
CSSParser.prototype.parseFunctionArgument = function(token)
{
var value = "";
if (token.isString())
{
value += token.value;
token = this.getToken(true, true);
}
else {
var parenthesis = 1;
while (true)
{
if (!token.isNotNull())
return "";
if (token.isFunction() || token.isSymbol("("))
parenthesis++;
if (token.isSymbol(")")) {
parenthesis--;
if (!parenthesis)
break;
}
value += token.value;
token = this.getToken(false, false);
}
}
if (token.isSymbol(")"))
return value + ")";
return "";
};
CSSParser.prototype.parseColorStop = function(token)
{
var color = this.parseColor(token);
var position = "";
if (!color)
return null;
token = this.getToken(true, true);
if (token.isLength()) {
position = token.value;
token = this.getToken(true, true);
}
return { color: color, position: position }
};
CSSParser.prototype.parseGradient = function ()
{
var kHPos = {"left": true, "right": true };
var kVPos = {"top": true, "bottom": true };
var kPos = {"left": true, "right": true, "top": true, "bottom": true, "center": true};
var isRadial = false;
var gradient = { isRepeating: false };
var token = this.getToken(true, true);
if (token.isNotNull()) {
if (token.isFunction("linear-gradient(") ||
token.isFunction("radial-gradient(") ||
token.isFunction("repeating-linear-gradient(") ||
token.isFunction("repeating-radial-gradient(")) {
if (token.isFunction("radial-gradient(") ||
token.isFunction("repeating-radial-gradient(")) {
gradient.isRadial = true;
}
if (token.isFunction("repeating-linear-gradient(") ||
token.isFunction("repeating-radial-gradient(")) {
gradient.isRepeating = true;
}
token = this.getToken(true, true);
var foundPosition = false;
var haveAngle = false;
/********** LINEAR **********/
if (token.isAngle()) {
gradient.angle = token.value;
haveAngle = true;
token = this.getToken(true, true);
if (!token.isSymbol(","))
return null;
token = this.getToken(true, true);
}
else if (token.isIdent("to")) {
foundPosition = true;
token = this.getToken(true, true);
if (token.isIdent("top")
|| token.isIdent("bottom")
|| token.isIdent("left")
|| token.isIdent("right")) {
gradient.position = token.value;
token = this.getToken(true, true);
if (((gradient.position == "top" || gradient.position == "bottom") && (token.isIdent("left") || token.isIdent("right")))
|| ((gradient.position == "left" || gradient.position == "right") && (token.isIdent("top") || token.isIdent("bottom")))) {
gradient.position += " " + token.value;
token = this.getToken(true, true);
}
}
else
return null;
if (!token.isSymbol(","))
return null;
token = this.getToken(true, true);
}
/********** RADIAL **********/
else if (gradient.isRadial) {
gradient.shape = "";
gradient.extent = "";
gradient.positions = [];
gradient.at = "";
while (!token.isIdent("at") && !token.isSymbol(",")) {
if (!gradient.shape
&& (token.isIdent("circle") || token.isIdent("ellipse"))) {
gradient.shape = token.value;
token = this.getToken(true, true);
}
else if (!gradient.extent
&& (token.isIdent("closest-corner")
|| token.isIdent("closes-side")
|| token.isIdent("farthest-corner")
|| token.isIdent("farthest-corner"))) {
gradient.extent = token.value;
token = this.getToken(true, true);
}
else if (gradient.positions.length < 2 && token.isLength()){
gradient.positions.push(token.value);
token = this.getToken(true, true);
}
else
break;
}
// verify if the shape is null of well defined
if ((gradient.positions.length == 1 && !gradient.extent && (gradient.shape == "circle" || !gradient.shape))
|| (gradient.positions.length == 2 && !gradient.extent && (gradient.shape == "ellipse" || !gradient.shape))
|| (!gradient.positions.length && gradient.extent)
|| (!gradient.positions.length && !gradient.extent)) {
// shape ok
}
else {
return null;
}
if (token.isIdent("at")) {
token = this.getToken(true, true);
if (((token.isIdent() && token.value in kPos)
|| token.isDimension()
|| token.isNumber("0")
|| token.isPercentage())) {
gradient.at = token.value;
token = this.getToken(true, true);
if (token.isDimension() || token.isNumber("0") || token.isPercentage()) {
gradient.at += " " + token.value;
}
else if (token.isIdent() && token.value in kPos) {
if ((gradient.at in kHPos && token.value in kHPos) ||
(gradient.at in kVPos && token.value in kVPos))
return "";
gradient.at += " " + token.value;
}
else {
this.ungetToken();
gradient.at += " center";
}
}
else
return null;
token = this.getToken(true, true);
}
if (gradient.shape || gradient.extent || gradient.positions.length || gradient.at) {
if (!token.isSymbol(","))
return null;
token = this.getToken(true, true);
}
}
// now color stops...
var stop1 = this.parseColorStop(token);
if (!stop1)
return null;
token = this.currentToken();
if (!token.isSymbol(","))
return null;
token = this.getToken(true, true);
var stop2 = this.parseColorStop(token);
if (!stop2)
return null;
token = this.currentToken();
if (token.isSymbol(",")) {
token = this.getToken(true, true);
}
// ok we have at least two color stops
gradient.stops = [stop1, stop2];
while (!token.isSymbol(")")) {
var colorstop = this.parseColorStop(token);
if (!colorstop)
return null;
token = this.currentToken();
if (!token.isSymbol(")") && !token.isSymbol(","))
return null;
if (token.isSymbol(","))
token = this.getToken(true, true);
gradient.stops.push(colorstop);
}
return gradient;
}
}
return null;
};
CSSParser.prototype.serializeGradient = function(gradient)
{
var s = gradient.isRadial
? (gradient.isRepeating ? "repeating-radial-gradient(" : "radial-gradient(" )
: (gradient.isRepeating ? "repeating-linear-gradient(" : "linear-gradient(" );
if (gradient.angle || gradient.position)
s += (gradient.angle ? gradient.angle: "") +
(gradient.position ? "to " + gradient.position : "") +
", ";
if (gradient.isRadial)
s += (gradient.shape ? gradient.shape + " " : "") +
(gradient.extent ? gradient.extent + " " : "") +
(gradient.positions.length ? gradient.positions.join(" ") + " " : "") +
(gradient.at ? "at " + gradient.at + " " : "") +
(gradient.shape || gradient.extent || gradient.positions.length || gradient.at ? ", " : "");
for (var i = 0; i < gradient.stops.length; i++) {
var colorstop = gradient.stops[i];
s += colorstop.color + (colorstop.position ? " " + colorstop.position : "");
if (i != gradient.stops.length -1)
s += ", ";
}
s += ")";
return s;
};
CSSParser.prototype.parseImportRule = function(aToken, aSheet) {
var currentLine = CountLF(this.mScanner.getAlreadyScanned());
var s = aToken.value;
this.preserveState();
var token = this.getToken(true, true);
var media = [];
var href = "";
if (token.isString()) {
href = token.value;
s += " " + href;
}
else if (token.isFunction("url(")) {
token = this.getToken(true, true);
var urlContent = this.parseURL(token);
if (urlContent) {
href = "url(" + urlContent;
s += " " + href;
}
}
else
this.reportError(kIMPORT_RULE_MISSING_URL);
if (href) {
token = this.getToken(true, true);
while (token.isIdent()) {
s += " " + token.value;
media.push(token.value);
token = this.getToken(true, true);
if (!token)
break;
if (token.isSymbol(",")) {
s += ",";
} else if (token.isSymbol(";")) {
break;
} else
break;
token = this.getToken(true, true);
}
if (!media.length) {
media.push("all");
}
if (token.isSymbol(";")) {
s += ";"
this.forgetState();
var rule = new jscsspImportRule();
rule.currentLine = currentLine;
rule.parsedCssText = s;
rule.href = href;
rule.media = media;
rule.parentStyleSheet = aSheet;
aSheet.cssRules.push(rule);
return true;
}
}
this.restoreState();
this.addUnknownAtRule(aSheet, "@import");
return false;
};
CSSParser.prototype.parseKeyframesRule = function(aToken, aSheet) {
var currentLine = CountLF(this.mScanner.getAlreadyScanned());
var s = aToken.value;
var valid = false;
var keyframesRule = new jscsspKeyframesRule();
keyframesRule.currentLine = currentLine;
this.preserveState();
var token = this.getToken(true, true);
var foundName = false;
while (token.isNotNull()) {
if (token.isIdent()) {
// should be the keyframes' name
foundName = true;
s += " " + token.value;
keyframesRule.name = token.value;
token = this.getToken(true, true);
if (token.isSymbol("{"))
this.ungetToken();
else {
// error...
token.type = jscsspToken.NULL_TYPE;
break;
}
}
else if (token.isSymbol("{")) {
if (!foundName) {
token.type = jscsspToken.NULL_TYPE;
// not a valid keyframes at-rule
}
break;
}
else {
token.type = jscsspToken.NULL_TYPE;
// not a valid keyframes at-rule
break;
}
token = this.getToken(true, true);
}
if (token.isSymbol("{") && keyframesRule.name) {
// ok let's parse keyframe rules now...
s += " { ";
token = this.getToken(true, false);
while (token.isNotNull()) {
if (token.isComment() && this.mPreserveComments) {
s += " " + token.value;
var comment = new jscsspComment();
comment.parsedCssText = token.value;
keyframesRule.cssRules.push(comment);
} else if (token.isSymbol("}")) {
valid = true;
break;
} else {
var r = this.parseKeyframeRule(token, keyframesRule, true);
if (r)
s += r;
}
token = this.getToken(true, false);
}
}
if (valid) {
this.forgetState();
keyframesRule.currentLine = currentLine;
keyframesRule.parsedCssText = s;
aSheet.cssRules.push(keyframesRule);
return true;
}
this.restoreState();
return false;
};
CSSParser.prototype.parseKeyframeRule = function(aToken, aOwner) {
var currentLine = CountLF(this.mScanner.getAlreadyScanned());
this.preserveState();
var token = aToken;
// find the keyframe keys
var key = "";
while (token.isNotNull()) {
if (token.isIdent() || token.isPercentage()) {
if (token.isIdent()
&& !token.isIdent("from")
&& !token.isIdent("to")) {
key = "";
break;
}
key += token.value;
token = this.getToken(true, true);
if (token.isSymbol("{")) {
this.ungetToken();
break;
}
else
if (token.isSymbol(",")) {
key += ", ";
}
else {
key = "";
break;
}
}
else {
key = "";
break;
}
token = this.getToken(true, true);
}
var valid = false;
var declarations = [];
if (key) {
var s = key;
token = this.getToken(true, true);
if (token.isSymbol("{")) {
s += " { ";
token = this.getToken(true, false);
while (true) {
if (!token.isNotNull()) {
valid = true;
break;
}
if (token.isSymbol("}")) {
s += "}";
valid = true;
break;
} else {
var d = this.parseDeclaration(token, declarations, true, true, aOwner);
s += ((d && declarations.length) ? " " : "") + d;
}
token = this.getToken(true, false);
}
}
}
else {
// key is invalid so the whole rule is invalid with it
}
if (valid) {
var rule = new jscsspKeyframeRule();
rule.currentLine = currentLine;
rule.parsedCssText = s;
rule.declarations = declarations;
rule.keyText = key;
rule.parentRule = aOwner;
aOwner.cssRules.push(rule);
return s;
}
this.restoreState();
s = this.currentToken().value;
this.addUnknownAtRule(aOwner, s);
return "";
};
CSSParser.prototype.parseListStyleShorthand = function(token, aDecl, aAcceptPriority)
{
var kPosition = { "inside": true, "outside": true };
var lType = null;
var lPosition = null;
var lImage = null;
while (true) {
if (!token.isNotNull())
break;
if (token.isSymbol(";")
|| (aAcceptPriority && token.isSymbol("!"))
|| token.isSymbol("}")) {
if (token.isSymbol("}"))
this.ungetToken();
break;
}
else if (!lType && !lPosition && ! lImage
&& token.isIdent(this.kINHERIT)) {
lType = this.kINHERIT;
lPosition = this.kINHERIT;
lImage = this.kINHERIT;
}
else if (!lType &&
(token.isIdent() && token.value in this.kLIST_STYLE_TYPE_NAMES)) {
lType = token.value;
}
else if (!lPosition &&
(token.isIdent() && token.value in kPosition)) {
lPosition = token.value;
}
else if (!lImage && token.isFunction("url")) {
token = this.getToken(true, true);
var urlContent = this.parseURL(token);
if (urlContent) {
lImage = "url(" + urlContent;
}
else
return "";
}
else if (!token.isIdent("none"))
return "";
token = this.getToken(true, true);
}
// create the declarations
this.forgetState();
lType = lType ? lType : "none";
lImage = lImage ? lImage : "none";
lPosition = lPosition ? lPosition : "outside";
aDecl.push(this._createJscsspDeclarationFromValue("list-style-type", lType));
aDecl.push(this._createJscsspDeclarationFromValue("list-style-position", lPosition));
aDecl.push(this._createJscsspDeclarationFromValue("list-style-image", lImage));
return lType + " " + lPosition + " " + lImage;
};
CSSParser.prototype.parse = function(aString, aTryToPreserveWhitespaces, aTryToPreserveComments) {
if (!aString)
return null; // early way out if we can
this.mPreserveWS = aTryToPreserveWhitespaces;
this.mPreserveComments = aTryToPreserveComments;
this.mPreservedTokens = [];
this.mScanner.init(aString);
var sheet = new jscsspStylesheet();
// @charset can only appear at first char of the stylesheet
var token = this.getToken(false, false);
if (!token.isNotNull())
return sheet;
if (token.isAtRule("@charset")) {
this.ungetToken();
this.parseCharsetRule(sheet);
token = this.getToken(false, false);
}
var foundStyleRules = false;
var foundImportRules = false;
var foundNameSpaceRules = false;
while (true) {
if (!token.isNotNull())
break;
if (token.isWhiteSpace())
{
if (aTryToPreserveWhitespaces)
this.addWhitespace(sheet, token.value);
}
else if (token.isComment())
{
if (this.mPreserveComments)
this.addComment(sheet, token.value);
}
else if (token.isAtRule()) {
if (token.isAtRule("@variables")) {
if (!foundImportRules && !foundStyleRules)
this.parseVariablesRule(token, sheet);
else {
this.reportError(kVARIABLES_RULE_POSITION);
this.addUnknownAtRule(sheet, token.value);
}
}
else if (token.isAtRule("@import")) {
// @import rules MUST occur before all style and namespace
// rules
if (!foundStyleRules && !foundNameSpaceRules)
foundImportRules = this.parseImportRule(token, sheet);
else {
this.reportError(kIMPORT_RULE_POSITION);
this.addUnknownAtRule(sheet, token.value);
}
}
else if (token.isAtRule("@namespace")) {
// @namespace rules MUST occur before all style rule and
// after all @import rules
if (!foundStyleRules)
foundNameSpaceRules = this.parseNamespaceRule(token, sheet);
else {
this.reportError(kNAMESPACE_RULE_POSITION);
this.addUnknownAtRule(sheet, token.value);
}
}
else if (token.isAtRule("@font-face")) {
if (this.parseFontFaceRule(token, sheet))
foundStyleRules = true;
else
this.addUnknownAtRule(sheet, token.value);
}
else if (token.isAtRule("@page")) {
if (this.parsePageRule(token, sheet))
foundStyleRules = true;
else
this.addUnknownAtRule(sheet, token.value);
}
else if (token.isAtRule("@media")) {
if (this.parseMediaRule(token, sheet))
foundStyleRules = true;
else
this.addUnknownAtRule(sheet, token.value);
}
else if (token.isAtRule("@keyframes")) {
if (!this.parseKeyframesRule(token, sheet))
this.addUnknownAtRule(sheet, token.value);
}
else if (token.isAtRule("@charset")) {
this.reportError(kCHARSET_RULE_CHARSET_SOF);
this.addUnknownAtRule(sheet, token.value);
}
else {
this.reportError(kUNKNOWN_AT_RULE);
this.addUnknownAtRule(sheet, token.value);
}
}
else // plain style rules
{
var ruleText = this.parseStyleRule(token, sheet, false);
if (ruleText)
foundStyleRules = true;
}
token = this.getToken(false);
}
return sheet;
};
CSSParser.prototype.parseMarginOrPaddingShorthand = function(token, aDecl, aAcceptPriority, aProperty)
{
var top = null;
var bottom = null;
var left = null;
var right = null;
var values = [];
while (true) {
if (!token.isNotNull())
break;
if (token.isSymbol(";")
|| (aAcceptPriority && token.isSymbol("!"))
|| token.isSymbol("}")) {
if (token.isSymbol("}"))
this.ungetToken();
break;
}
else if (!values.length && token.isIdent(this.kINHERIT)) {
values.push(token.value);
token = this.getToken(true, true);
break;
}
else if (token.isDimension()
|| token.isNumber("0")
|| token.isPercentage()
|| token.isIdent("auto")) {
values.push(token.value);
}
else
return "";
token = this.getToken(true, true);
}
var count = values.length;
switch (count) {
case 1:
top = values[0];
bottom = top;
left = top;
right = top;
break;
case 2:
top = values[0];
bottom = top;
left = values[1];
right = left;
break;
case 3:
top = values[0];
left = values[1];
right = left;
bottom = values[2];
break;
case 4:
top = values[0];
right = values[1];
bottom = values[2];
left = values[3];
break;
default:
return "";
}
this.forgetState();
aDecl.push(this._createJscsspDeclarationFromValue(aProperty + "-top", top));
aDecl.push(this._createJscsspDeclarationFromValue(aProperty + "-right", right));
aDecl.push(this._createJscsspDeclarationFromValue(aProperty + "-bottom", bottom));
aDecl.push(this._createJscsspDeclarationFromValue(aProperty + "-left", left));
return top + " " + right + " " + bottom + " " + left;
};
CSSParser.prototype.parseMediaQuery = function()
{
var kCONSTRAINTS = {
"width": true,
"min-width": true,
"max-width": true,
"height": true,
"min-height": true,
"max-height": true,
"device-width": true,
"min-device-width": true,
"max-device-width": true,
"device-height": true,
"min-device-height": true,
"max-device-height": true,
"orientation": true,
"aspect-ratio": true,
"min-aspect-ratio": true,
"max-aspect-ratio": true,
"device-aspect-ratio": true,
"min-device-aspect-ratio": true,
"max-device-aspect-ratio": true,
"color": true,
"min-color": true,
"max-color": true,
"color-index": true,
"min-color-index": true,
"max-color-index": true,
"monochrome": true,
"min-monochrome": true,
"max-monochrome": true,
"resolution": true,
"min-resolution": true,
"max-resolution": true,
"scan": true,
"grid": true
};
var m = {cssText: "", amplifier: "", medium: "", constraints: []};
var token = this.getToken(true, true);
if (token.isIdent("all") ||
token.isIdent("aural") ||
token.isIdent("braille") ||
token.isIdent("handheld") ||
token.isIdent("print") ||
token.isIdent("projection") ||
token.isIdent("screen") ||
token.isIdent("tty") ||
token.isIdent("tv")) {
m.medium = token.value;
m.cssText += token.value;
token = this.getToken(true, true);
}
else if (token.isIdent("not") || token.isIdent("only")) {
m.amplifier = token.value.toLowerCase();
m.cssText += token.value.toLowerCase();
token = this.getToken(true, true);
if (token.isIdent("all") ||
token.isIdent("aural") ||
token.isIdent("braille") ||
token.isIdent("handheld") ||
token.isIdent("print") ||
token.isIdent("projection") ||
token.isIdent("screen") ||
token.isIdent("tty") ||
token.isIdent("tv")) {
m.cssText += " " + token.value;
m.medium = token.value;
token = this.getToken(true, true);
}
else
return null;
}
if (m.medium) {
if (!token.isNotNull())
return m;
if (token.isIdent("and")) {
m.cssText += " and";
token = this.getToken(true, true);
}
else if (!token.isSymbol("{"))
return null;
}
while (token.isSymbol("(")) {
token = this.getToken(true, true);
if (token.isIdent() && (token.value in kCONSTRAINTS)) {
var constraint = token.value;
token = this.getToken(true, true);
if (token.isSymbol(":")) {
token = this.getToken(true, true);
var values = [];
while (!token.isSymbol(")")) {
values.push(token.value);
token = this.getToken(true, true);
}
if (token.isSymbol(")")) {
m.constraints.push({constraint: constraint, value: values});
m.cssText += " (" + constraint + ": " + values.join(" ") + ")";
token = this.getToken(true, true);
if (token.isNotNull()) {
if (token.isIdent("and")) {
m.cssText += " and";
token = this.getToken(true, true);
}
else if (!token.isSymbol("{"))
return null;
}
else
return m;
}
else
return null;
}
else if (token.isSymbol(")")) {
m.constraints.push({constraint: constraint, value: null});
m.cssText += " (" + constraint + ")";
token = this.getToken(true, true);
if (token.isNotNull()) {
if (token.isIdent("and")) {
m.cssText += " and";
token = this.getToken(true, true);
}
else
return null;
}
else
return m;
}
else
return null;
}
else
return null;
}
return m;
};
CSSParser.prototype.parseMediaRule = function(aToken, aSheet) {
var currentLine = CountLF(this.mScanner.getAlreadyScanned());
var s = aToken.value;
var valid = false;
var mediaRule = new jscsspMediaRule();
mediaRule.currentLine = currentLine;
this.preserveState();
var token = this.getToken(true, true);
var foundMedia = false;
while (token.isNotNull()) {
this.ungetToken();
var mediaQuery = this.parseMediaQuery();
token = this.currentToken();
if (mediaQuery) {
foundMedia = true;
s += " " + mediaQuery.cssText;
mediaRule.media.push(mediaQuery.cssText);
if (token.isSymbol(",")) {
s += ",";
} else {
if (token.isSymbol("{"))
break;
else {
// error...
token.type = jscsspToken.NULL_TYPE;
break;
}
}
}
else if (token.isSymbol("{"))
break;
else if (foundMedia) {
token.type = jscsspToken.NULL_TYPE;
// not a media list
break;
}
token = this.getToken(true, true);
}
if (token.isSymbol("{") && mediaRule.media.length) {
// ok let's parse style rules now...
s += " { ";
token = this.getToken(true, false);
while (token.isNotNull()) {
if (token.isComment()) {
if (this.mPreserveComments) {
s += " " + token.value;
var comment = new jscsspComment();
comment.parsedCssText = token.value;
mediaRule.cssRules.push(comment);
}
} else if (token.isSymbol("}")) {
valid = true;
break;
} else {
var r = this.parseStyleRule(token, mediaRule, true);
if (r)
s += r;
}
token = this.getToken(true, false);
}
}
if (valid) {
this.forgetState();
mediaRule.parsedCssText = s;
aSheet.cssRules.push(mediaRule);
return true;
}
this.restoreState();
return false;
};
CSSParser.prototype.parseNamespaceRule = function(aToken, aSheet) {
var currentLine = CountLF(this.mScanner.getAlreadyScanned());
var s = aToken.value;
var valid = false;
this.preserveState();
var token = this.getToken(true, true);
if (token.isNotNull()) {
var prefix = "";
var url = "";
if (token.isIdent()) {
prefix = token.value;
s += " " + prefix;
token = this.getToken(true, true);
}
if (token) {
var foundURL = false;
if (token.isString()) {
foundURL = true;
url = token.value;
s += " " + url;
} else if (token.isFunction("url(")) {
// get a url here...
token = this.getToken(true, true);
var urlContent = this.parseURL(token);
if (urlContent) {
url += "url(" + urlContent;
foundURL = true;
s += " " + urlContent;
}
}
}
if (foundURL) {
token = this.getToken(true, true);
if (token.isSymbol(";")) {
s += ";";
this.forgetState();
var rule = new jscsspNamespaceRule();
rule.currentLine = currentLine;
rule.parsedCssText = s;
rule.prefix = prefix;
rule.url = url;
rule.parentStyleSheet = aSheet;
aSheet.cssRules.push(rule);
return true;
}
}
}
this.restoreState();
this.addUnknownAtRule(aSheet, "@namespace");
return false;
};
CSSParser.prototype.parsePageRule = function(aToken, aSheet) {
var currentLine = CountLF(this.mScanner.getAlreadyScanned());
var s = aToken.value;
var valid = false;
var declarations = [];
this.preserveState();
var token = this.getToken(true, true);
var pageSelector = "";
if (token.isSymbol(":") || token.isIdent()) {
if (token.isSymbol(":")) {
pageSelector = ":";
token = this.getToken(false, false);
}
if (token.isIdent()) {
pageSelector += token.value;
s += " " + pageSelector;
token = this.getToken(true, true);
}
}
if (token.isNotNull()) {
// expecting block start
if (token.isSymbol("{")) {
s += " " + token.value;
var token = this.getToken(true, false);
while (true) {
if (token.isSymbol("}")) {
s += "}";
valid = true;
break;
} else {
var d = this.parseDeclaration(token, declarations, true, true, aSheet);
s += ((d && declarations.length) ? " " : "") + d;
}
token = this.getToken(true, false);
}
}
}
if (valid) {
this.forgetState();
var rule = new jscsspPageRule();
rule.currentLine = currentLine;
rule.parsedCssText = s;
rule.pageSelector = pageSelector;
rule.declarations = declarations;
rule.parentStyleSheet = aSheet;
aSheet.cssRules.push(rule)
return true;
}
this.restoreState();
return false;
};
CSSParser.prototype.parsePauseShorthand = function(token, declarations, aAcceptPriority)
{
var before = "";
var after = "";
var values = [];
var values = [];
while (true) {
if (!token.isNotNull())
break;
if (token.isSymbol(";")
|| (aAcceptPriority && token.isSymbol("!"))
|| token.isSymbol("}")) {
if (token.isSymbol("}"))
this.ungetToken();
break;
}
else if (!values.length && token.isIdent(this.kINHERIT)) {
values.push(token.value);
}
else if (token.isDimensionOfUnit("ms")
|| token.isDimensionOfUnit("s")
|| token.isPercentage()
|| token.isNumber("0"))
values.push(token.value);
else
return "";
token = this.getToken(true, true);
}
var count = values.length;
switch (count) {
case 1:
before = values[0];
after = before;
break;
case 2:
before = values[0];
after = values[1];
break;
default:
return "";
}
this.forgetState();
aDecl.push(this._createJscsspDeclarationFromValue("pause-before", before));
aDecl.push(this._createJscsspDeclarationFromValue("pause-after", after));
return before + " " + after;
};
CSSParser.prototype.parseDefaultPropertyValue = function(token, aDecl, aAcceptPriority, descriptor, aSheet) {
var valueText = "";
var blocks = [];
var foundPriority = false;
var values = [];
while (token.isNotNull()) {
if ((token.isSymbol(";")
|| token.isSymbol("}")
|| token.isSymbol("!"))
&& !blocks.length) {
if (token.isSymbol("}"))
this.ungetToken();
break;
}
if (token.isIdent(this.kINHERIT)) {
if (values.length) {
return "";
}
else {
valueText = this.kINHERIT;
var value = new jscsspVariable(kJscsspINHERIT_VALUE, aSheet);
values.push(value);
token = this.getToken(true, true);
break;
}
}
else if (token.isSymbol("{")
|| token.isSymbol("(")
|| token.isSymbol("[")) {
blocks.push(token.value);
}
else if (token.isSymbol("}")
|| token.isSymbol("]")) {
if (blocks.length) {
var ontop = blocks[blocks.length - 1];
if ((token.isSymbol("}") && ontop == "{")
|| (token.isSymbol(")") && ontop == "(")
|| (token.isSymbol("]") && ontop == "[")) {
blocks.pop();
}
}
}
// XXX must find a better way to store individual values
// probably a |values: []| field holding dimensions, percentages
// functions, idents, numbers and symbols, in that order.
if (token.isFunction()) {
if (token.isFunction("var(")) {
token = this.getToken(true, true);
if (token.isIdent()) {
var name = token.value;
token = this.getToken(true, true);
if (token.isSymbol(")")) {
var value = new jscsspVariable(kJscsspVARIABLE_VALUE, aSheet);
valueText += "var(" + name + ")";
value.name = name;
values.push(value);
}
else
return "";
}
else
return "";
}
else {
var fn = token.value;
token = this.getToken(false, true);
var arg = this.parseFunctionArgument(token);
if (arg) {
valueText += fn + arg;
var value = new jscsspVariable(kJscsspPRIMITIVE_VALUE, aSheet);
value.value = fn + arg;
values.push(value);
}
else
return "";
}
}
else if (token.isSymbol("#")) {
var color = this.parseColor(token);
if (color) {
valueText += color;
var value = new jscsspVariable(kJscsspPRIMITIVE_VALUE, aSheet);
value.value = color;
values.push(value);
}
else
return "";
}
else if (!token.isWhiteSpace() && !token.isSymbol(",")) {
var value = new jscsspVariable(kJscsspPRIMITIVE_VALUE, aSheet);
value.value = token.value;
values.push(value);
valueText += token.value;
}
else
valueText += token.value;
token = this.getToken(false, true);
}
if (values.length && valueText) {
this.forgetState();
aDecl.push(this._createJscsspDeclarationFromValuesArray(descriptor, values, valueText));
return valueText;
}
return "";
};
CSSParser.prototype.parseSelector = function(aToken, aParseSelectorOnly) {
var s = "";
var specificity = {a: 0, b: 0, c: 0, d: 0}; // CSS 2.1 section 6.4.3
var isFirstInChain = true;
var token = aToken;
var valid = false;
var combinatorFound = false;
while (true) {
if (!token.isNotNull()) {
if (aParseSelectorOnly)
return {selector: s, specificity: specificity };
return "";
}
if (!aParseSelectorOnly && token.isSymbol("{")) {
// end of selector
valid = !combinatorFound;
// don't unget if invalid since addUnknownRule is going to restore state anyway
if (valid)
this.ungetToken();
break;
}
if (token.isSymbol(",")) { // group of selectors
s += token.value;
isFirstInChain = true;
combinatorFound = false;
token = this.getToken(false, true);
continue;
}
// now combinators and grouping...
else if (!combinatorFound
&& (token.isWhiteSpace()
|| token.isSymbol(">")
|| token.isSymbol("+")
|| token.isSymbol("~"))) {
if (token.isWhiteSpace()) {
s += " ";
var nextToken = this.lookAhead(true, true);
if (!nextToken.isNotNull()) {
if (aParseSelectorOnly)
return {selector: s, specificity: specificity };
return "";
}
if (nextToken.isSymbol(">")
|| nextToken.isSymbol("+")
|| nextToken.isSymbol("~")) {
token = this.getToken(true, true);
s += token.value + " ";
combinatorFound = true;
}
}
else {
s += token.value;
combinatorFound = true;
}
isFirstInChain = true;
token = this.getToken(true, true);
continue;
}
else {
var simpleSelector = this.parseSimpleSelector(token, isFirstInChain, true);
if (!simpleSelector)
break; // error
s += simpleSelector.selector;
specificity.b += simpleSelector.specificity.b;
specificity.c += simpleSelector.specificity.c;
specificity.d += simpleSelector.specificity.d;
isFirstInChain = false;
combinatorFound = false;
}
token = this.getToken(false, true);
}
if (valid) {
return {selector: s, specificity: specificity };
}
return "";
};
CSSParser.prototype.isPseudoElement = function(aIdent)
{
switch (aIdent) {
case "first-letter":
case "first-line":
case "before":
case "after":
case "marker":
return true;
break;
default:
break;
}
return false;
};
CSSParser.prototype.parseSimpleSelector = function(token, isFirstInChain, canNegate)
{
var s = "";
var specificity = {a: 0, b: 0, c: 0, d: 0}; // CSS 2.1 section 6.4.3
if (isFirstInChain
&& (token.isSymbol("*") || token.isSymbol("|") || token.isIdent())) {
// type or universal selector
if (token.isSymbol("*") || token.isIdent()) {
// we don't know yet if it's a prefix or a universal
// selector
s += token.value;
var isIdent = token.isIdent();
token = this.getToken(false, true);
if (token.isSymbol("|")) {
// it's a prefix
s += token.value;
token = this.getToken(false, true);
if (token.isIdent() || token.isSymbol("*")) {
// ok we now have a type element or universal
// selector
s += token.value;
if (token.isIdent())
specificity.d++;
} else
// oops that's an error...
return null;
} else {
this.ungetToken();
if (isIdent)
specificity.d++;
}
} else if (token.isSymbol("|")) {
s += token.value;
token = this.getToken(false, true);
if (token.isIdent() || token.isSymbol("*")) {
s += token.value;
if (token.isIdent())
specificity.d++;
} else
// oops that's an error
return null;
}
}
else if (token.isSymbol(".") || token.isSymbol("#")) {
var isClass = token.isSymbol(".");
s += token.value;
token = this.getToken(false, true);
if (token.isIdent()) {
s += token.value;
if (isClass)
specificity.c++;
else
specificity.b++;
}
else
return null;
}
else if (token.isSymbol(":")) {
s += token.value;
token = this.getToken(false, true);
if (token.isSymbol(":")) {
s += token.value;
token = this.getToken(false, true);
}
if (token.isIdent()) {
s += token.value;
if (this.isPseudoElement(token.value))
specificity.d++;
else
specificity.c++;
}
else if (token.isFunction()) {
s += token.value;
if (token.isFunction(":not(")) {
if (!canNegate)
return null;
token = this.getToken(true, true);
var simpleSelector = this.parseSimpleSelector(token, isFirstInChain, false);
if (!simpleSelector)
return null;
else {
s += simpleSelector.selector;
token = this.getToken(true, true);
if (token.isSymbol(")"))
s += ")";
else
return null;
}
specificity.c++;
}
else {
while (true) {
token = this.getToken(false, true);
if (token.isSymbol(")")) {
s += ")";
break;
} else
s += token.value;
}
specificity.c++;
}
} else
return null;
} else if (token.isSymbol("[")) {
s += "[";
token = this.getToken(true, true);
if (token.isIdent() || token.isSymbol("*")) {
s += token.value;
var nextToken = this.getToken(true, true);
if (nextToken.isSymbol("|")) {
s += "|";
token = this.getToken(true, true);
if (token.isIdent())
s += token.value;
else
return null;
} else
this.ungetToken();
} else if (token.isSymbol("|")) {
s += "|";
token = this.getToken(true, true);
if (token.isIdent())
s += token.value;
else
return null;
}
else
return null;
// nothing, =, *=, $=, ^=, |=
token = this.getToken(true, true);
if (token.isIncludes()
|| token.isDashmatch()
|| token.isBeginsmatch()
|| token.isEndsmatch()
|| token.isContainsmatch()
|| token.isSymbol("=")) {
s += token.value;
token = this.getToken(true, true);
if (token.isString() || token.isIdent()) {
s += token.value;
token = this.getToken(true, true);
}
else
return null;
if (token.isSymbol("]")) {
s += token.value;
specificity.c++;
}
else
return null;
}
else if (token.isSymbol("]")) {
s += token.value;
specificity.c++;
}
else
return null;
}
else if (token.isWhiteSpace()) {
var t = this.lookAhead(true, true);
if (t.isSymbol('{'))
return ""
}
if (s)
return {selector: s, specificity: specificity };
return null;
};
CSSParser.prototype.trim11 = function(str) {
str = str.replace(/^\s+/, '');
for (var i = str.length - 1; i >= 0; i--) {
if (/\S/.test( str.charAt(i) )) { // XXX charat
str = str.substring(0, i + 1);
break;
}
}
return str;
};
CSSParser.prototype.parseStyleRule = function(aToken, aOwner, aIsInsideMediaRule)
{
var currentLine = CountLF(this.mScanner.getAlreadyScanned());
this.preserveState();
// first let's see if we have a selector here...
var selector = this.parseSelector(aToken, false);
var valid = false;
var declarations = [];
if (selector) {
selector = this.trim11(selector.selector);
var s = selector;
var token = this.getToken(true, true);
if (token.isSymbol("{")) {
s += " { ";
var token = this.getToken(true, false);
while (true) {
if (!token.isNotNull()) {
valid = true;
break;
}
if (token.isSymbol("}")) {
s += "}";
valid = true;
break;
} else {
var d = this.parseDeclaration(token, declarations, true, true, aOwner);
s += ((d && declarations.length) ? " " : "") + d;
}
token = this.getToken(true, false);
}
}
}
else {
// selector is invalid so the whole rule is invalid with it
}
if (valid) {
var rule = new jscsspStyleRule();
rule.currentLine = currentLine;
rule.parsedCssText = s;
rule.declarations = declarations;
rule.mSelectorText = selector;
if (aIsInsideMediaRule)
rule.parentRule = aOwner;
else
rule.parentStyleSheet = aOwner;
aOwner.cssRules.push(rule);
return s;
}
this.restoreState();
s = this.currentToken().value;
this.addUnknownAtRule(aOwner, s);
return "";
};
CSSParser.prototype.parseTextShadows = function()
{
var shadows = [];
var token = this.getToken(true, true);
var color = "", blurRadius = "0px", offsetX = "0px", offsetY = "0px";
while (token.isNotNull()) {
if (token.isIdent("none")) {
shadows.push( { none: true } );
token = this.getToken(true, true);
}
else {
if (token.isFunction("rgb(") ||
token.isFunction("rgba(") ||
token.isFunction("hsl(") ||
token.isFunction("hsla(") ||
token.isSymbol("#") ||
token.isIdent()) {
var color = this.parseColor(token);
token = this.getToken(true, true);
}
if (token.isPercentage() ||
token.isDimensionOfUnit("cm") ||
token.isDimensionOfUnit("mm") ||
token.isDimensionOfUnit("in") ||
token.isDimensionOfUnit("pc") ||
token.isDimensionOfUnit("px") ||
token.isDimensionOfUnit("em") ||
token.isDimensionOfUnit("ex") ||
token.isDimensionOfUnit("pt")) {
var offsetX = token.value;
token = this.getToken(true, true);
}
else
return [];
if (token.isPercentage() ||
token.isDimensionOfUnit("cm") ||
token.isDimensionOfUnit("mm") ||
token.isDimensionOfUnit("in") ||
token.isDimensionOfUnit("pc") ||
token.isDimensionOfUnit("px") ||
token.isDimensionOfUnit("em") ||
token.isDimensionOfUnit("ex") ||
token.isDimensionOfUnit("pt")) {
var offsetY = token.value;
token = this.getToken(true, true);
}
else
return [];
if (token.isPercentage() ||
token.isDimensionOfUnit("cm") ||
token.isDimensionOfUnit("mm") ||
token.isDimensionOfUnit("in") ||
token.isDimensionOfUnit("pc") ||
token.isDimensionOfUnit("px") ||
token.isDimensionOfUnit("em") ||
token.isDimensionOfUnit("ex") ||
token.isDimensionOfUnit("pt")) {
var blurRadius = token.value;
token = this.getToken(true, true);
}
if (!color &&
(token.isFunction("rgb(") ||
token.isFunction("rgba(") ||
token.isFunction("hsl(") ||
token.isFunction("hsla(") ||
token.isSymbol("#") ||
token.isIdent())) {
var color = this.parseColor(token);
token = this.getToken(true, true);
}
shadows.push( { none: false,
color: color,
offsetX: offsetX, offsetY: offsetY,
blurRadius: blurRadius } );
if (token.isSymbol(",")) {
color = "";
blurRadius = "0px";
offsetX = "0px";
offsetY = "0px";
token = this.getToken(true, true);
}
else if (!token.isNotNull())
return shadows;
else
return [];
}
}
return shadows;
};
CSSParser.prototype.currentToken = function() {
return this.mToken;
};
CSSParser.prototype.getHexValue = function() {
this.mToken = this.mScanner.nextHexValue();
return this.mToken;
};
CSSParser.prototype.getToken = function(aSkipWS, aSkipComment) {
if (this.mLookAhead) {
this.mToken = this.mLookAhead;
this.mLookAhead = null;
return this.mToken;
}
this.mToken = this.mScanner.nextToken();
while (this.mToken &&
((aSkipWS && this.mToken.isWhiteSpace()) ||
(aSkipComment && this.mToken.isComment())))
this.mToken = this.mScanner.nextToken();
return this.mToken;
};
CSSParser.prototype.lookAhead = function(aSkipWS, aSkipComment) {
var preservedToken = this.mToken;
this.mScanner.preserveState();
var token = this.getToken(aSkipWS, aSkipComment);
this.mScanner.restoreState();
this.mToken = preservedToken;
return token;
};
CSSParser.prototype.ungetToken = function() {
this.mLookAhead = this.mToken;
};
CSSParser.prototype.addWhitespace = function(aSheet, aString) {
var rule = new jscsspWhitespace();
rule.parsedCssText = aString;
rule.parentStyleSheet = aSheet;
aSheet.cssRules.push(rule);
};
CSSParser.prototype.addComment = function(aSheet, aString) {
var rule = new jscsspComment();
rule.parsedCssText = aString;
rule.parentStyleSheet = aSheet;
aSheet.cssRules.push(rule);
};
CSSParser.prototype._createJscsspDeclaration = function(property, value)
{
var decl = new jscsspDeclaration();
decl.property = property;
decl.value = this.trim11(value);
decl.parsedCssText = property + ": " + value + ";";
return decl;
};
CSSParser.prototype._createJscsspDeclarationFromValue = function(property, valueText)
{
var decl = new jscsspDeclaration();
decl.property = property;
var value = new jscsspVariable(kJscsspPRIMITIVE_VALUE, null);
value.value = valueText;
decl.values = [value];
decl.valueText = valueText;
decl.parsedCssText = property + ": " + valueText + ";";
return decl;
};
CSSParser.prototype._createJscsspDeclarationFromValuesArray = function(property, values, valueText)
{
var decl = new jscsspDeclaration();
decl.property = property;
decl.values = values;
decl.valueText = valueText;
decl.parsedCssText = property + ": " + valueText + ";";
return decl;
};
CSSParser.prototype.preserveState = function() {
this.mPreservedTokens.push(this.currentToken());
this.mScanner.preserveState();
};
CSSParser.prototype.restoreState = function() {
if (this.mPreservedTokens.length) {
this.mScanner.restoreState();
this.mToken = this.mPreservedTokens.pop();
}
};
CSSParser.prototype.forgetState = function() {
if (this.mPreservedTokens.length) {
this.mScanner.forgetState();
this.mPreservedTokens.pop();
}
};
CSSParser.prototype.addUnknownAtRule = function(aSheet, aString) {
var currentLine = CountLF(this.mScanner.getAlreadyScanned());
var blocks = [];
var token = this.getToken(false, false);
while (token.isNotNull()) {
aString += token.value;
if (token.isSymbol(";") && !blocks.length)
break;
else if (token.isSymbol("{")
|| token.isSymbol("(")
|| token.isSymbol("[")
|| token.type == "function") {
blocks.push(token.isFunction() ? "(" : token.value);
} else if (token.isSymbol("}")
|| token.isSymbol(")")
|| token.isSymbol("]")) {
if (blocks.length) {
var ontop = blocks[blocks.length - 1];
if ((token.isSymbol("}") && ontop == "{")
|| (token.isSymbol(")") && ontop == "(")
|| (token.isSymbol("]") && ontop == "[")) {
blocks.pop();
if (!blocks.length && token.isSymbol("}"))
break;
}
}
}
token = this.getToken(false, false);
}
this.addUnknownRule(aSheet, aString, currentLine);
};
CSSParser.prototype.addUnknownRule = function(aSheet, aString, aCurrentLine) {
var errorMsg = this.consumeError();
var rule = new jscsspErrorRule(errorMsg);
rule.currentLine = aCurrentLine;
rule.parsedCssText = aString;
rule.parentStyleSheet = aSheet;
aSheet.cssRules.push(rule);
};
CSSParser.prototype.parseURL = function(token)
{
var value = "";
if (token.isString())
{
value += token.value;
token = this.getToken(true, true);
}
else
while (true)
{
if (!token.isNotNull()) {
this.reportError(kURL_EOF);
return "";
}
if (token.isWhiteSpace()) {
nextToken = this.lookAhead(true, true);
// if next token is not a closing parenthesis, that's an error
if (!nextToken.isSymbol(")")) {
this.reportError(kURL_WS_INSIDE);
token = this.currentToken();
break;
}
}
if (token.isSymbol(")")) {
break;
}
value += token.value;
token = this.getToken(false, false);
}
if (token.isSymbol(")")) {
return value + ")";
}
return "";
};
CSSParser.prototype.parseVariablesRule = function(token, aSheet) {
var currentLine = CountLF(this.mScanner.getAlreadyScanned());
var s = token.value;
var declarations = [];
var valid = false;
this.preserveState();
token = this.getToken(true, true);
var media = [];
var foundMedia = false;
while (token.isNotNull()) {
if (token.isIdent()) {
foundMedia = true;
s += " " + token.value;
media.push(token.value);
token = this.getToken(true, true);
if (token.isSymbol(",")) {
s += ",";
} else {
if (token.isSymbol("{"))
this.ungetToken();
else {
// error...
token.type = jscsspToken.NULL_TYPE;
break;
}
}
} else if (token.isSymbol("{"))
break;
else if (foundMedia) {
token.type = jscsspToken.NULL_TYPE;
// not a media list
break;
}
token = this.getToken(true, true);
}
if (token.isSymbol("{")) {
s += " {";
token = this.getToken(true, true);
while (true) {
if (!token.isNotNull()) {
valid = true;
break;
}
if (token.isSymbol("}")) {
s += "}";
valid = true;
break;
} else {
var d = this.parseDeclaration(token, declarations, true, false, aSheet);
s += ((d && declarations.length) ? " " : "") + d;
}
token = this.getToken(true, false);
}
}
if (valid) {
this.forgetState();
var rule = new jscsspVariablesRule();
rule.currentLine = currentLine;
rule.parsedCssText = s;
rule.declarations = declarations;
rule.media = media;
rule.parentStyleSheet = aSheet;
aSheet.cssRules.push(rule)
return true;
}
this.restoreState();
return false;
};
function jscsspToken(aType, aValue, aUnit)
{
this.type = aType;
this.value = aValue;
this.unit = aUnit;
}
jscsspToken.NULL_TYPE = 0;
jscsspToken.WHITESPACE_TYPE = 1;
jscsspToken.STRING_TYPE = 2;
jscsspToken.COMMENT_TYPE = 3;
jscsspToken.NUMBER_TYPE = 4;
jscsspToken.IDENT_TYPE = 5;
jscsspToken.FUNCTION_TYPE = 6;
jscsspToken.ATRULE_TYPE = 7;
jscsspToken.INCLUDES_TYPE = 8;
jscsspToken.DASHMATCH_TYPE = 9;
jscsspToken.BEGINSMATCH_TYPE = 10;
jscsspToken.ENDSMATCH_TYPE = 11;
jscsspToken.CONTAINSMATCH_TYPE = 12;
jscsspToken.SYMBOL_TYPE = 13;
jscsspToken.DIMENSION_TYPE = 14;
jscsspToken.PERCENTAGE_TYPE = 15;
jscsspToken.HEX_TYPE = 16;
jscsspToken.prototype = {
isNotNull: function ()
{
return this.type;
},
_isOfType: function (aType, aValue)
{
return (this.type == aType && (!aValue || this.value.toLowerCase() == aValue));
},
isWhiteSpace: function(w)
{
return this._isOfType(jscsspToken.WHITESPACE_TYPE, w);
},
isString: function()
{
return this._isOfType(jscsspToken.STRING_TYPE);
},
isComment: function()
{
return this._isOfType(jscsspToken.COMMENT_TYPE);
},
isNumber: function(n)
{
return this._isOfType(jscsspToken.NUMBER_TYPE, n);
},
isIdent: function(i)
{
return this._isOfType(jscsspToken.IDENT_TYPE, i);
},
isFunction: function(f)
{
return this._isOfType(jscsspToken.FUNCTION_TYPE, f);
},
isAtRule: function(a)
{
return this._isOfType(jscsspToken.ATRULE_TYPE, a);
},
isIncludes: function()
{
return this._isOfType(jscsspToken.INCLUDES_TYPE);
},
isDashmatch: function()
{
return this._isOfType(jscsspToken.DASHMATCH_TYPE);
},
isBeginsmatch: function()
{
return this._isOfType(jscsspToken.BEGINSMATCH_TYPE);
},
isEndsmatch: function()
{
return this._isOfType(jscsspToken.ENDSMATCH_TYPE);
},
isContainsmatch: function()
{
return this._isOfType(jscsspToken.CONTAINSMATCH_TYPE);
},
isSymbol: function(c)
{
return this._isOfType(jscsspToken.SYMBOL_TYPE, c);
},
isDimension: function()
{
return this._isOfType(jscsspToken.DIMENSION_TYPE);
},
isPercentage: function()
{
return this._isOfType(jscsspToken.PERCENTAGE_TYPE);
},
isHex: function()
{
return this._isOfType(jscsspToken.HEX_TYPE);
},
isDimensionOfUnit: function(aUnit)
{
return (this.isDimension() && this.unit == aUnit);
},
isLength: function()
{
return (this.isPercentage() ||
this.isDimensionOfUnit("cm") ||
this.isDimensionOfUnit("mm") ||
this.isDimensionOfUnit("in") ||
this.isDimensionOfUnit("pc") ||
this.isDimensionOfUnit("px") ||
this.isDimensionOfUnit("em") ||
this.isDimensionOfUnit("ex") ||
this.isDimensionOfUnit("pt"));
},
isAngle: function()
{
return (this.isDimensionOfUnit("deg") ||
this.isDimensionOfUnit("rad") ||
this.isDimensionOfUnit("grad"));
}
}
/* kJscsspCHARSET_RULE */
function jscsspCharsetRule()
{
this.type = kJscsspCHARSET_RULE;
this.encoding = null;
this.parsedCssText = null;
this.parentStyleSheet = null;
this.parentRule = null;
}
jscsspCharsetRule.prototype = {
cssText: function() {
return "@charset " + this.encoding + ";";
},
setCssText: function(val) {
var sheet = {cssRules: []};
var parser = new CSSParser(val);
if (parser.parseCharsetRule(sheet)) {
var newRule = sheet.cssRules[0];
this.encoding = newRule.encoding;
this.parsedCssText = newRule.parsedCssText;
return;
}
throw DOMException.SYNTAX_ERR;
}
};
/* kJscsspCOMMENT */
function jscsspComment()
{
this.type = kJscsspCOMMENT;
this.parsedCssText = null;
this.parentStyleSheet = null;
this.parentRule = null;
}
jscsspComment.prototype = {
cssText: function() {
return this.parsedCssText;
},
setCssText: function(val) {
var parser = new CSSParser(val);
var token = parser.getToken(true, false);
if (token.isComment())
this.parsedCssText = token.value;
else
throw DOMException.SYNTAX_ERR;
}
};
/* kJscsspSTYLE_DECLARATION */
function jscsspDeclaration()
{
this.type = kJscsspSTYLE_DECLARATION;
this.property = null;
this.values = [];
this.valueText = null;
this.priority = null;
this.parsedCssText = null;
this.parentStyleSheet = null;
this.parentRule = null;
}
jscsspDeclaration.prototype = {
kCOMMA_SEPARATED: {
"cursor": true,
"font-family": true,
"voice-family": true,
"background-image": true
},
kUNMODIFIED_COMMA_SEPARATED_PROPERTIES: {
"text-shadow": true,
"box-shadow": true,
"-moz-transition": true,
"-moz-transition-property": true,
"-moz-transition-duration": true,
"-moz-transition-timing-function": true,
"-moz-transition-delay": true,
"src": true,
"-moz-font-feature-settings": true
},
cssText: function() {
var prefixes = PrefixHelper.prefixesForProperty(this.property);
var rv = "";
if (this.property in this.kUNMODIFIED_COMMA_SEPARATED_PROPERTIES) {
if (prefixes) {
rv = "";
for (var propertyIndex = 0; propertyIndex < prefixes.length; propertyIndex++) {
var property = prefixes[propertyIndex];
rv += (propertyIndex ? gTABS : "") + property + ": ";
rv += this.valueText + (this.priority ? " !important" : "") + ";";
rv += ((prefixes.length > 1 && propertyIndex != prefixes.length -1) ? "\n" : "");
}
return rv;
}
return this.property + ": " + this.valueText +
(this.priority ? " !important" : "") + ";"
}
if (prefixes) {
rv = "";
for (var propertyIndex = 0; propertyIndex < prefixes.length; propertyIndex++) {
var property = prefixes[propertyIndex];
rv += (propertyIndex ? gTABS : "") + property + ": ";
var separator = (property in this.kCOMMA_SEPARATED) ? ", " : " ";
for (var i = 0; i < this.values.length; i++)
if (this.values[i].cssText() != null)
rv += (i ? separator : "") + this.values[i].cssText();
else
return null;
rv += (this.priority ? " !important" : "") + ";" +
((prefixes.length > 1 && propertyIndex != prefixes.length -1) ? "\n" : "");
}
return rv;
}
var separator = (this.property in this.kCOMMA_SEPARATED) ? ", " : " ";
var extras = {"webkit": false, "presto": false, "trident": false, "gecko1.9.2": false, "generic": false }
for (var i = 0; i < this.values.length; i++) {
var v = this.values[i].cssText();
if (v != null) {
var paren = v.indexOf("(");
var kwd = v;
if (paren != -1)
kwd = v.substr(0, paren);
if (kwd in kCSS_VENDOR_VALUES) {
for (var j in kCSS_VENDOR_VALUES[kwd]) {
extras[j] = extras[j] || (kCSS_VENDOR_VALUES[kwd][j] != "");
}
}
}
else
return null;
}
for (var j in extras) {
if (extras[j]) {
var str = "\n" + gTABS + this.property + ": ";
for (var i = 0; i < this.values.length; i++) {
var v = this.values[i].cssText();
if (v != null) {
var paren = v.indexOf("(");
var kwd = v;
if (paren != -1)
kwd = v.substr(0, paren);
if (kwd in kCSS_VENDOR_VALUES) {
functor = kCSS_VENDOR_VALUES[kwd][j];
if (functor) {
v = (typeof functor == "string") ? functor : functor(v, j);
if (!v) {
str = null;
break;
}
}
}
str += (i ? separator : "") + v;
}
else
return null;
}
if (str)
rv += str + ";"
else
rv += "\n" + gTABS + "/* Impossible to translate property " + this.property + " for " + j + " */";
}
}
rv += "\n" + gTABS + this.property + ": ";
for (var i = 0; i < this.values.length; i++) {
var v = this.values[i].cssText();
if (v != null) {
rv += (i ? separator : "") + v;
}
}
rv += (this.priority ? " !important" : "") + ";";
return rv;
},
setCssText: function(val) {
var declarations = [];
var parser = new CSSParser(val);
var token = parser.getToken(true, true);
if (parser.parseDeclaration(token, declarations, true, true, null)
&& declarations.length
&& declarations[0].type == kJscsspSTYLE_DECLARATION) {
var newDecl = declarations.cssRules[0];
this.property = newDecl.property;
this.value = newDecl.value;
this.priority = newDecl.priority;
this.parsedCssText = newRule.parsedCssText;
return;
}
throw DOMException.SYNTAX_ERR;
}
};
/* kJscsspUNKNOWN_RULE */
function jscsspErrorRule(aErrorMsg)
{
this.error = aErrorMsg ? aErrorMsg : "INVALID";
this.type = kJscsspUNKNOWN_RULE;
this.parsedCssText = null;
this.parentStyleSheet = null;
this.parentRule = null;
}
jscsspErrorRule.prototype = {
cssText: function() {
return this.parsedCssText;
}
};
/* kJscsspFONT_FACE_RULE */
function jscsspFontFaceRule()
{
this.type = kJscsspFONT_FACE_RULE;
this.parsedCssText = null;
this.descriptors = [];
this.parentStyleSheet = null;
this.parentRule = null;
}
jscsspFontFaceRule.prototype = {
cssText: function() {
var rv = gTABS + "@font-face {\n";
var preservedGTABS = gTABS;
gTABS += " ";
for (var i = 0; i < this.descriptors.length; i++)
rv += gTABS + this.descriptors[i].cssText() + "\n";
gTABS = preservedGTABS;
return rv + gTABS + "}";
},
setCssText: function(val) {
var sheet = {cssRules: []};
var parser = new CSSParser(val);
var token = parser.getToken(true, true);
if (token.isAtRule("@font-face")) {
if (parser.parseFontFaceRule(token, sheet)) {
var newRule = sheet.cssRules[0];
this.descriptors = newRule.descriptors;
this.parsedCssText = newRule.parsedCssText;
return;
}
}
throw DOMException.SYNTAX_ERR;
}
};
/* kJscsspIMPORT_RULE */
function jscsspImportRule()
{
this.type = kJscsspIMPORT_RULE;
this.parsedCssText = null;
this.href = null;
this.media = [];
this.parentStyleSheet = null;
this.parentRule = null;
}
jscsspImportRule.prototype = {
cssText: function() {
var mediaString = this.media.join(", ");
return "@import " + this.href
+ ((mediaString && mediaString != "all") ? mediaString + " " : "")
+ ";";
},
setCssText: function(val) {
var sheet = {cssRules: []};
var parser = new CSSParser(val);
var token = parser.getToken(true, true);
if (token.isAtRule("@import")) {
if (parser.parseImportRule(token, sheet)) {
var newRule = sheet.cssRules[0];
this.href = newRule.href;
this.media = newRule.media;
this.parsedCssText = newRule.parsedCssText;
return;
}
}
throw DOMException.SYNTAX_ERR;
}
};
/* kJscsspKEYFRAME_RULE */
function jscsspKeyframeRule()
{
this.type = kJscsspKEYFRAME_RULE;
this.parsedCssText = null;
this.declarations = []
this.keyText = null;
this.parentStyleSheet = null;
this.parentRule = null;
}
jscsspKeyframeRule.prototype = {
cssText: function() {
var rv = this.keyText + " {\n";
var preservedGTABS = gTABS;
gTABS += " ";
for (var i = 0; i < this.declarations.length; i++) {
var declText = this.declarations[i].cssText();
if (declText)
rv += gTABS + this.declarations[i].cssText() + "\n";
}
gTABS = preservedGTABS;
return rv + gTABS + "}";
},
setCssText: function(val) {
var sheet = {cssRules: []};
var parser = new CSSParser(val);
var token = parser.getToken(true, true);
if (!token.isNotNull()) {
if (parser.parseKeyframeRule(token, sheet, false)) {
var newRule = sheet.cssRules[0];
this.keyText = newRule.keyText;
this.declarations = newRule.declarations;
this.parsedCssText = newRule.parsedCssText;
return;
}
}
throw DOMException.SYNTAX_ERR;
}
};
/* kJscsspKEYFRAMES_RULE */
function jscsspKeyframesRule()
{
this.type = kJscsspKEYFRAMES_RULE;
this.parsedCssText = null;
this.cssRules = [];
this.name = null;
this.parentStyleSheet = null;
this.parentRule = null;
}
jscsspKeyframesRule.prototype = {
cssText: function() {
var rv = "";
var prefixes = ["moz", "webkit", "ms", "o", ""];
for (var p = 0; p < prefixes.length; p++) {
rv += gTABS
+ "@" + (prefixes[p] ? "-" + prefixes[p] + "-" : "") + "keyframes "
+ this.name + " {\n";
var preservedGTABS = gTABS;
gTABS += " ";
for (var i = 0; i < this.cssRules.length; i++)
rv += gTABS + this.cssRules[i].cssText() + "\n";
gTABS = preservedGTABS;
rv += gTABS + "}\n\n";
}
return rv;
},
setCssText: function(val) {
var sheet = {cssRules: []};
var parser = new CSSParser(val);
var token = parser.getToken(true, true);
if (token.isAtRule("@-mozkeyframes")) {
if (parser.parseKeyframesRule(token, sheet)) {
var newRule = sheet.cssRules[0];
this.cssRules = newRule.cssRules;
this.name = newRule.name;
this.parsedCssText = newRule.parsedCssText;
return;
}
}
throw DOMException.SYNTAX_ERR;
}
};
/* kJscsspMEDIA_RULE */
function jscsspMediaRule()
{
this.type = kJscsspMEDIA_RULE;
this.parsedCssText = null;
this.cssRules = [];
this.media = [];
this.parentStyleSheet = null;
this.parentRule = null;
}
jscsspMediaRule.prototype = {
cssText: function() {
var rv = gTABS + "@media " + this.media.join(", ") + " {\n";
var preservedGTABS = gTABS;
gTABS += " ";
for (var i = 0; i < this.cssRules.length; i++)
rv += this.cssRules[i].cssText() + "\n";
gTABS = preservedGTABS;
return rv + gTABS + "}";
},
setCssText: function(val) {
var sheet = {cssRules: []};
var parser = new CSSParser(val);
var token = parser.getToken(true, true);
if (token.isAtRule("@media")) {
if (parser.parseMediaRule(token, sheet)) {
var newRule = sheet.cssRules[0];
this.cssRules = newRule.cssRules;
this.media = newRule.media;
this.parsedCssText = newRule.parsedCssText;
return;
}
}
throw DOMException.SYNTAX_ERR;
}
};
/* kJscsspNAMESPACE_RULE */
function jscsspNamespaceRule()
{
this.type = kJscsspNAMESPACE_RULE;
this.parsedCssText = null;
this.prefix = null;
this.url = null;
this.parentStyleSheet = null;
this.parentRule = null;
}
jscsspNamespaceRule.prototype = {
cssText: function() {
return "@namespace " + (this.prefix ? this.prefix + " ": "")
+ this.url
+ ";";
},
setCssText: function(val) {
var sheet = {cssRules: []};
var parser = new CSSParser(val);
var token = parser.getToken(true, true);
if (token.isAtRule("@namespace")) {
if (parser.parseNamespaceRule(token, sheet)) {
var newRule = sheet.cssRules[0];
this.url = newRule.url;
this.prefix = newRule.prefix;
this.parsedCssText = newRule.parsedCssText;
return;
}
}
throw DOMException.SYNTAX_ERR;
}
};
/* kJscsspPAGE_RULE */
function jscsspPageRule()
{
this.type = kJscsspPAGE_RULE;
this.parsedCssText = null;
this.pageSelector = null;
this.declarations = [];
this.parentStyleSheet = null;
this.parentRule = null;
}
jscsspPageRule.prototype = {
cssText: function() {
var rv = gTABS + "@page "
+ (this.pageSelector ? this.pageSelector + " ": "")
+ "{\n";
var preservedGTABS = gTABS;
gTABS += " ";
for (var i = 0; i < this.declarations.length; i++)
rv += gTABS + this.declarations[i].cssText() + "\n";
gTABS = preservedGTABS;
return rv + gTABS + "}";
},
setCssText: function(val) {
var sheet = {cssRules: []};
var parser = new CSSParser(val);
var token = parser.getToken(true, true);
if (token.isAtRule("@page")) {
if (parser.parsePageRule(token, sheet)) {
var newRule = sheet.cssRules[0];
this.pageSelector = newRule.pageSelector;
this.declarations = newRule.declarations;
this.parsedCssText = newRule.parsedCssText;
return;
}
}
throw DOMException.SYNTAX_ERR;
}
};
/* kJscsspSTYLE_RULE */
function jscsspStyleRule()
{
this.type = kJscsspSTYLE_RULE;
this.parsedCssText = null;
this.declarations = []
this.mSelectorText = null;
this.parentStyleSheet = null;
this.parentRule = null;
}
jscsspStyleRule.prototype = {
cssText: function() {
var rv = gTABS + this.mSelectorText + " {";
var preservedGTABS = gTABS;
gTABS += " ";
for (var i = 0; i < this.declarations.length; i++) {
var declText = this.declarations[i].cssText();
if (declText)
rv += gTABS + this.declarations[i].cssText() ;
}
gTABS = preservedGTABS;
return rv + "\n" + gTABS + "}";
},
setCssText: function(val) {
var sheet = {cssRules: []};
var parser = new CSSParser(val);
var token = parser.getToken(true, true);
if (!token.isNotNull()) {
if (parser.parseStyleRule(token, sheet, false)) {
var newRule = sheet.cssRules[0];
this.mSelectorText = newRule.mSelectorText;
this.declarations = newRule.declarations;
this.parsedCssText = newRule.parsedCssText;
return;
}
}
throw DOMException.SYNTAX_ERR;
},
selectorText: function() {
return this.mSelectorText;
},
setSelectorText: function(val) {
var parser = new CSSParser(val);
var token = parser.getToken(true, true);
if (!token.isNotNull()) {
var s = parser.parseSelector(token, true);
if (s) {
this.mSelectorText = s.selector;
return;
}
}
throw DOMException.SYNTAX_ERR;
}
};
function jscsspStylesheet()
{
this.cssRules = [];
this.variables = {};
}
jscsspStylesheet.prototype = {
insertRule: function(aRule, aIndex) {
try {
this.cssRules.splice(aIndex, 1, aRule);
}
catch(e) {
}
},
deleteRule: function(aIndex) {
try {
this.cssRules.splice(aIndex);
}
catch(e) {
}
},
cssText: function() {
var rv = "";
for (var i = 0; i < this.cssRules.length; i++)
rv += this.cssRules[i].cssText() + "\n\n";
return rv;
}
};
var kJscsspINHERIT_VALUE = 0;
var kJscsspPRIMITIVE_VALUE = 1;
var kJscsspVARIABLE_VALUE = 4;
function jscsspVariable(aType, aSheet)
{
this.value = "";
this.type = aType;
this.name = null;
this.parentRule = null;
this.parentStyleSheet = aSheet;
}
jscsspVariable.prototype = {
cssText: function() {
if (this.type == kJscsspVARIABLE_VALUE)
return this.resolveVariable(this.name, this.parentRule, this.parentStyleSheet);
else
return this.value;
},
setCssText: function(val) {
if (this.type == kJscsspVARIABLE_VALUE)
throw DOMException.SYNTAX_ERR;
else
this.value = val;
},
resolveVariable: function(aName, aRule, aSheet)
{
return "var(" + aName + ")";
}
};
/* kJscsspVARIABLES_RULE */
function jscsspVariablesRule()
{
this.type = kJscsspVARIABLES_RULE;
this.parsedCssText = null;
this.declarations = [];
this.parentStyleSheet = null;
this.parentRule = null;
this.media = null;
}
jscsspVariablesRule.prototype = {
cssText: function() {
var rv = gTABS + "@variables " +
(this.media.length ? this.media.join(", ") + " " : "") +
"{\n";
var preservedGTABS = gTABS;
gTABS += " ";
for (var i = 0; i < this.declarations.length; i++)
rv += gTABS + this.declarations[i].cssText() + "\n";
gTABS = preservedGTABS;
return rv + gTABS + "}";
},
setCssText: function(val) {
var sheet = {cssRules: []};
var parser = new CSSParser(val);
var token = parser.getToken(true, true);
if (token.isAtRule("@variables")) {
if (parser.parseVariablesRule(token, sheet)) {
var newRule = sheet.cssRules[0];
this.declarations = newRule.declarations;
this.parsedCssText = newRule.parsedCssText;
return;
}
}
throw DOMException.SYNTAX_ERR;
}
};
/* kJscsspWHITE_SPACE */
function jscsspWhitespace()
{
this.type = kJscsspWHITE_SPACE;
this.parsedCssText = null;
this.parentStyleSheet = null;
this.parentRule = null;
}
jscsspWhitespace.prototype = {
cssText: function() {
return this.parsedCssText;
}
};
var kJscsspUNKNOWN_RULE = 0;
var kJscsspSTYLE_RULE = 1
var kJscsspCHARSET_RULE = 2;
var kJscsspIMPORT_RULE = 3;
var kJscsspMEDIA_RULE = 4;
var kJscsspFONT_FACE_RULE = 5;
var kJscsspPAGE_RULE = 6;
var kJscsspKEYFRAMES_RULE = 7;
var kJscsspKEYFRAME_RULE = 8;
var kJscsspNAMESPACE_RULE = 100;
var kJscsspCOMMENT = 101;
var kJscsspWHITE_SPACE = 102;
var kJscsspVARIABLES_RULE = 200;
var kJscsspSTYLE_DECLARATION = 1000;
var gTABS = "";
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