diff options
Diffstat (limited to 'bin/wiki/ImportarDesdeURL/node_modules/cheerio/node_modules/entities/lib/encode.js')
-rw-r--r-- | bin/wiki/ImportarDesdeURL/node_modules/cheerio/node_modules/entities/lib/encode.js | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/bin/wiki/ImportarDesdeURL/node_modules/cheerio/node_modules/entities/lib/encode.js b/bin/wiki/ImportarDesdeURL/node_modules/cheerio/node_modules/entities/lib/encode.js new file mode 100644 index 00000000..791c405c --- /dev/null +++ b/bin/wiki/ImportarDesdeURL/node_modules/cheerio/node_modules/entities/lib/encode.js @@ -0,0 +1,82 @@ +var inverseXML = getInverseObj(require("../maps/xml.json")), + xmlReplacer = getInverseReplacer(inverseXML); + +exports.XML = getInverse(inverseXML, xmlReplacer); + +var inverseHTML = getInverseObj(require("../maps/entities.json")), + htmlReplacer = getInverseReplacer(inverseHTML); + +exports.HTML = getInverse(inverseHTML, htmlReplacer); + +function getInverseObj(obj) { + return Object.keys(obj) + .sort() + .reduce(function(inverse, name) { + inverse[obj[name]] = "&" + name + ";"; + return inverse; + }, {}); +} + +function getInverseReplacer(inverse) { + var single = [], + multiple = []; + + Object.keys(inverse).forEach(function(k) { + if (k.length === 1) { + single.push("\\" + k); + } else { + multiple.push(k); + } + }); + + //TODO add ranges + multiple.unshift("[" + single.join("") + "]"); + + return new RegExp(multiple.join("|"), "g"); +} + +var re_nonASCII = /[^\0-\x7F]/g, + re_astralSymbols = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g; + +function singleCharReplacer(c) { + return ( + "&#x" + + c + .charCodeAt(0) + .toString(16) + .toUpperCase() + + ";" + ); +} + +function astralReplacer(c) { + // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae + var high = c.charCodeAt(0); + var low = c.charCodeAt(1); + var codePoint = (high - 0xd800) * 0x400 + low - 0xdc00 + 0x10000; + return "&#x" + codePoint.toString(16).toUpperCase() + ";"; +} + +function getInverse(inverse, re) { + function func(name) { + return inverse[name]; + } + + return function(data) { + return data + .replace(re, func) + .replace(re_astralSymbols, astralReplacer) + .replace(re_nonASCII, singleCharReplacer); + }; +} + +var re_xmlChars = getInverseReplacer(inverseXML); + +function escapeXML(data) { + return data + .replace(re_xmlChars, singleCharReplacer) + .replace(re_astralSymbols, astralReplacer) + .replace(re_nonASCII, singleCharReplacer); +} + +exports.escape = escapeXML; |