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May 11, 2011 09:54
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translate.js : XPath の translate() 関数。
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| /** | |
| * translate-by-array.js | |
| * translate function of XPath. | |
| * | |
| * @version 1.0.2 | |
| * @author think49 | |
| * @url https://gist.github.com/966219 | |
| * @license http://www.opensource.org/licenses/mit-license.php (The MIT License) | |
| * @see <a href="http://www.w3.org/TR/xpath/#function-translate">translate() - XML Path Language (XPath)</a> | |
| */ | |
| var translateByArray = (function (Object, String, Object_toString) { | |
| function translateByArray (string, searchArray, replaceArray) { | |
| var results, token, searchString, i, j, stringLength, arrayLength, tokenLength; | |
| if (!isArray(searchArray)) { | |
| return String(string); | |
| } | |
| replaceArray = Object(replaceArray); | |
| arrayLength = searchArray.length; | |
| i = replaceArray.length; | |
| string = String(string); | |
| results = []; | |
| i = 0; | |
| stringLength = string.length; | |
| arrayLength = searchArray.length; | |
| while (i < stringLength) { | |
| token = string.charAt(0); | |
| tokenLength = 1; | |
| for (j = 0; j < arrayLength; ++j) { | |
| searchString = searchArray[j]; | |
| if (string.indexOf(searchString, i) === i) { | |
| token = replaceArray[j]; | |
| tokenLength = searchString.length; | |
| break; | |
| } | |
| } | |
| i += tokenLength; | |
| results.push(token); | |
| } | |
| return results.join(''); | |
| } | |
| var isArray = Array.isArray || function (arg) { | |
| var type = typeof arg; | |
| return arg !== null && type !== 'undefined' && type !== 'boolean' && type !== 'number' && type !== 'string' && Object_toString.call(arg) === '[object Array]'; | |
| }; | |
| return translateByArray; | |
| })(Object, String, Object.prototype.toString); |
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| /** | |
| * translate.js | |
| * translate function of XPath. | |
| * | |
| * @version 1.1.4 | |
| * @author think49 | |
| * @url https://gist.github.com/966219 | |
| * @license http://www.opensource.org/licenses/mit-license.php (The MIT License) | |
| * @see <a href="http://www.w3.org/TR/xpath/#function-translate">translate() - XML Path Language (XPath)</a> | |
| */ | |
| function translate (string, searchString, replaceString) { | |
| var _String, i, len, index; | |
| _String = String; | |
| searchString = _String(searchString); | |
| replaceString = _String(replaceString).split(''); | |
| len = searchString.length; | |
| i = replaceString.length; | |
| string = _String(string).split(''); | |
| i = string.length; | |
| while (i--) { | |
| index = searchString.indexOf(string[i]); | |
| if (index !== -1) { | |
| string[i] = replaceString[index]; | |
| } | |
| } | |
| return string.join(''); | |
| } |
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XPath の translate() 関数について。
速度テスト。
全角/半角の相互変換。