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/* ************************************************************************
qooxdoo - the new era of web development
http://qooxdoo.org
Copyright:
2004-2007 1&1 Internet AG, Germany, http://www.1and1.org
License:
LGPL: http://www.gnu.org/licenses/lgpl.html
EPL: http://www.eclipse.org/org/documents/epl-v10.php
See the LICENSE file in the project's top-level directory for details.
Authors:
* Fabian Jakobs (fjakobs)
************************************************************************ */
/* ************************************************************************
#require(qx.lang.Object)
************************************************************************ */
/**
* Generic escaping and unescaping of DOM strings.
*
* {@link qx.html.String} for (un)escaping of HTML strings.
*
* {@link qx.xml.String} for (un)escaping of XML strings.
*/
qx.OO.defineClass("qx.dom.String");
/**
* generic escaping method
*
* @param str {String} string to escape
* @param charcodeToEntities {Map} entity to charcode map
*/
qx.Class.escapeEntities = function(str, charcodeToEntities) {
var result = [];
for (var i=0; i<str.length; i++) {
var chr = str.charAt(i);
var code = chr.charCodeAt(0)
if (charcodeToEntities[code]) {
var entity = "&" + charcodeToEntities[code] + ";";
} else {
if (code > 0x7F) {
entity = "&#" + code + ";";
} else {
entity = chr;
}
}
result.push(entity);
}
return result.join("");
};
/**
* generic unescaping method
*
* @param str {String} string to unescape
* @param entitiesToCharCode {Map} charcode to entity map
*/
qx.Class.unescapeEntities = function(str, entitiesToCharCode) {
return str.replace(/&[#\w]+;/gi, function(entity) {
var chr = entity;
var entity = entity.substring(1, entity.length-1);
var code = entitiesToCharCode[entity];
if (code) {
chr = String.fromCharCode(code);
} else {
if (entity.charAt(0) == '#') {
if (entity.charAt(1).toUpperCase() == 'X') {
var code = entity.substring(2);
// match hex number
if (code.match(/^[0-9A-Fa-f]+$/gi)) {
chr = String.fromCharCode(parseInt("0x" + code));
}
} else {
var code = entity.substring(1);
// match integer
if (code.match(/^\d+$/gi)) {
chr = String.fromCharCode(parseInt(code));
}
}
}
}
return chr;
});
};
/**
* Remove HTML/XML tags from a string
* Example:
* <pre>qx.dom.String.stripTags("<h1>Hello</h1>") == "Hello"</pre>
*
* @param str {String} string containing tags
* @return {String} the string with stripped tags
*/
qx.Class.stripTags = function(str) {
return str.replace(/<\/?[^>]+>/gi, "");
};
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