Skip to content

Instantly share code, notes, and snippets.

@ojii

ojii/bitmask.py

Created November 7, 2012 18:21
Show Gist options
  • Save ojii/4033383 to your computer and use it in GitHub Desktop.
Save ojii/4033383 to your computer and use it in GitHub Desktop.
Download ZIP
persist state
Raw
bitmask.py
# -*- coding: utf-8 -*-
import sys
import requests
__doc__ = """bitmask.py
Usage:
bitmask.py <varname> <cookiename> [--default=<default>] [--html] [--compress] <mask>...
Options:
-h --help Show this message.
--default=<default> Default mask [default: 0].
--compress Compress using Google Closure Compiler.
--html Output as HTML for testing.
"""
HTML_TEMPLATE = r"""<html>
<head>
<title>Bitmask.js</title>
<head>
<body>
%(_controls)s
<script>%(_bitmasks)s;</script>
<script>
%(_load)s
function toggle(name){
%(varname)s[name] = !%(varname)s[name];
%(varname)s.save();
document.getElementById(name).innerText = %(varname)s[name] ? 'true' : 'false';
}
</script>
</body>
</html>"""
HTML_LOAD_TEMPLATE = r"document.getElementById('%(name)s').innerText = %(varname)s.%(name)s ? 'true' : 'false';"
CONTROLS_TEMPLATE = r"""<p>
%(name)s: <span id='%(name)s'>Loading...</span> <button onclick="toggle('%(name)s');">Toggle</button>
<p>"""
JS_TEMPLATE = r"""var %(varname)s = (function(){
var output = {};
var mask = parseInt(unescape(document.cookie.replace(RegExp("(?:^|.*;\\s*)" + escape("%(cookiename)s").replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=\\s*((?:[^;](?!;))*[^;]?).*"), "$1")) || "%(default)s", 10);
%(_load)s
output['save'] = function(){
var tmp = 0;
%(_save)s
document.cookie = escape("%(cookiename)s") + "=" + escape(tmp + "");
};
return output;
})();"""
LOAD_TEMPLATE = r"output['%(name)s'] = mask & %(value)s;"
SAVE_TEMPLATE = r"""if (output['%(name)s']){
tmp |= %(value)s;
}"""
def main(varname, cookiename, masks, html=False, compress=False, default=0):
_load = '\n '.join([
LOAD_TEMPLATE % {'name': name, 'value': 2**i} for i, name in enumerate(masks)
])
_save = '\n '.join(
SAVE_TEMPLATE % {'name': name, 'value': 2**i } for i, name in enumerate(masks)
)
if isinstance(default, int):
default = default
elif default.isdigit():
default = int(default)
else:
default = 2 ** masks.index(default)
result = JS_TEMPLATE % {
'varname': varname,
'cookiename': cookiename,
'default': default,
'_save': _save,
'_load': _load,
}
if compress:
data = {
'js_code': result,
'compilation_level': 'SIMPLE_OPTIMIZATIONS',
'output_format': 'text',
'output_info': 'compiled_code',
'js_externs': varname,
}
response = requests.post('http://closure-compiler.appspot.com/compile', data=data)
if not response.ok:
print >> sys.stderr, response.content
response.raise_for_status()
result = response.content
if html:
_controls = '\n '.join([
CONTROLS_TEMPLATE % {'name': name} for name in masks
])
_load_html = '\n '.join([
HTML_LOAD_TEMPLATE % {
'name': name,
'varname': varname,
} for name in masks
])
result = HTML_TEMPLATE % {
'_controls': _controls,
'varname': varname,
'_bitmasks': result,
'_load': _load_html,
}
print result
if __name__ == '__main__':
import docopt
args = docopt.docopt(__doc__)
main(args['<varname>'], args['<cookiename>'], args['<mask>'], args['--html'], args['--compress'], args['--default'])
Raw
cms.state.js
var State = (function(){
var output = {};
var mask = parseInt(unescape(document.cookie.replace(RegExp("(?:^|.*;\\s*)" + escape("_cms_toolbar_state").replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=\\s*((?:[^;](?!;))*[^;]?).*"), "$1")) || "0", 10);
output['edit'] = mask & 1;
output['layout'] = mask & 2;
output['live'] = mask & 4;
output['collapsed'] = mask & 8;
output['save'] = function(){
var tmp = 0;
if (output['edit']){
tmp |= 1;
}
if (output['layout']){
tmp |= 2;
}
if (output['live']){
tmp |= 4;
}
if (output['collapsed']){
tmp |= 8;
}
document.cookie = escape("_cms_toolbar_state") + "=" + escape(tmp + "");
};
return output;
})();
Raw
cms.state.min.js
var State=function(){var a={},c=parseInt(unescape(document.cookie.replace(RegExp("(?:^|.*;\\s*)"+escape("_cms_toolbar_state").replace(/[\-\.\+\*]/g,"\\$&")+"\\s*\\=\\s*((?:[^;](?!;))*[^;]?).*"),"$1"))||"0",10);a.edit=c&1;a.layout=c&2;a.live=c&4;a.collapsed=c&8;a.save=function(){var b=0;a.edit&&(b|=1);a.layout&&(b|=2);a.live&&(b|=4);a.collapsed&&(b|=8);document.cookie=escape("_cms_toolbar_state")+"="+escape(b+"")};return a}();
Raw
index.html
<html>
<head>
<title>Bitmask.js</title>
<head>
<body>
<p>
edit: <span id='edit'>Loading...</span> <button onclick="toggle('edit');">Toggle</button>
<p>
<p>
layout: <span id='layout'>Loading...</span> <button onclick="toggle('layout');">Toggle</button>
<p>
<p>
live: <span id='live'>Loading...</span> <button onclick="toggle('live');">Toggle</button>
<p>
<p>
collapsed: <span id='collapsed'>Loading...</span> <button onclick="toggle('collapsed');">Toggle</button>
<p>
<script>var State=function(){var a={},c=parseInt(unescape(document.cookie.replace(RegExp("(?:^|.*;\\s*)"+escape("_cms_toolbar_state").replace(/[\-\.\+\*]/g,"\\$&")+"\\s*\\=\\s*((?:[^;](?!;))*[^;]?).*"),"$1"))||"0",10);a.edit=c&1;a.layout=c&2;a.live=c&4;a.collapsed=c&8;a.save=function(){var b=0;a.edit&&(b|=1);a.layout&&(b|=2);a.live&&(b|=4);a.collapsed&&(b|=8);document.cookie=escape("_cms_toolbar_state")+"="+escape(b+"")};return a}();
;</script>
<script>
document.getElementById('edit').innerText = State.edit ? 'true' : 'false';
document.getElementById('layout').innerText = State.layout ? 'true' : 'false';
document.getElementById('live').innerText = State.live ? 'true' : 'false';
document.getElementById('collapsed').innerText = State.collapsed ? 'true' : 'false';
function toggle(name){
State[name] = !State[name];
State.save();
document.getElementById(name).innerText = State[name] ? 'true' : 'false';
}
</script>
</body>
</html>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment