forked from sheetjs/sheetjs
90 lines
2.7 KiB
JavaScript
90 lines
2.7 KiB
JavaScript
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var attregexg=/\b[\w:-]+=["'][^"]*['"]/g;
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var tagregex=/<[^>]*>/g;
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var nsregex=/<\w*:/, nsregex2 = /<(\/?)\w+:/;
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function parsexmltag(tag, skip_root) {
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var z = [];
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var eq = 0, c = 0;
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for(; eq !== tag.length; ++eq) if((c = tag.charCodeAt(eq)) === 32 || c === 10 || c === 13) break;
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if(!skip_root) z[0] = tag.substr(0, eq);
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if(eq === tag.length) return z;
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var m = tag.match(attregexg), j=0, w="", v="", i=0, q="", cc="";
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if(m) for(i = 0; i != m.length; ++i) {
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cc = m[i];
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for(c=0; c != cc.length; ++c) if(cc.charCodeAt(c) === 61) break;
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q = cc.substr(0,c); v = cc.substring(c+2, cc.length-1);
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for(j=0;j!=q.length;++j) if(q.charCodeAt(j) === 58) break;
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if(j===q.length) z[q] = v;
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else z[(j===5 && q.substr(0,5)==="xmlns"?"xmlns":"")+q.substr(j+1)] = v;
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}
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return z;
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}
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function strip_ns(x) { return x.replace(nsregex2, "<$1"); }
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var encodings = {
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'"': '"',
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''': "'",
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'>': '>',
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'<': '<',
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'&': '&'
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};
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var rencoding = {
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'"': '"',
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"'": ''',
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'>': '>',
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'<': '<',
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'&': '&'
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};
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var rencstr = "&<>'\"".split("");
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// TODO: CP remap (need to read file version to determine OS)
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var encregex = /&[a-z]*;/g, coderegex = /_x([\da-fA-F]+)_/g;
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function unescapexml(text){
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var s = text + '';
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return s.replace(encregex, function($$) { return encodings[$$]; }).replace(coderegex,function(m,c) {return String.fromCharCode(parseInt(c,16));});
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}
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var decregex=/[&<>'"]/g, charegex = /[\u0000-\u0008\u000b-\u001f]/g;
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function escapexml(text){
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var s = text + '';
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return s.replace(decregex, function(y) { return rencoding[y]; }).replace(charegex,function(s) { return "_x" + ("000"+s.charCodeAt(0).toString(16)).substr(-4) + "_";});
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}
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function parsexmlbool(value, tag) {
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switch(value) {
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case '1': case 'true': case 'TRUE': return true;
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/* case '0': case 'false': case 'FALSE':*/
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default: return false;
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}
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}
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function datenum(v) {
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var epoch = Date.parse(v);
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return (epoch + 2209161600000) / (24 * 60 * 60 * 1000);
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}
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/* ISO 8601 Duration */
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function parse_isodur(s) {
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var sec = 0, mt = 0, time = false;
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var m = s.match(/P([0-9\.]+Y)?([0-9\.]+M)?([0-9\.]+D)?T([0-9\.]+H)?([0-9\.]+M)?([0-9\.]+S)?/);
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if(!m) throw new Error("|" + s + "| is not an ISO8601 Duration");
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for(var i = 1; i != m.length; ++i) {
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if(!m[i]) continue;
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mt = 1;
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if(i > 3) time = true;
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switch(m[i].substr(m[i].length-1)) {
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case 'Y':
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throw new Error("Unsupported ISO Duration Field: " + m[i].substr(m[i].length-1));
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case 'D': mt *= 24;
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/* falls through */
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case 'H': mt *= 60;
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/* falls through */
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case 'M':
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if(!time) throw new Error("Unsupported ISO Duration Field: M");
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else mt *= 60;
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/* falls through */
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case 'S': break;
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}
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sec += mt * parseInt(m[i], 10);
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}
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return sec;
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}
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