121 lines
4.4 KiB
JavaScript
121 lines
4.4 KiB
JavaScript
var _chr = function(c) { return String.fromCharCode(c); };
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var _ord = function(c) { return c.charCodeAt(0); };
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var attregexg=/([\w:]+)=((?:")([^"]*)(?:")|(?:')([^']*)(?:'))/g;
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var attregex=/([\w:]+)=((?:")(?:[^"]*)(?:")|(?:')(?:[^']*)(?:'))/;
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function parsexmltag(tag, skip_root) {
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var words = tag.split(/\s+/);
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var z = []; if(!skip_root) z[0] = words[0];
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if(words.length === 1) return z;
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var m = tag.match(attregexg), y, j, w, i;
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if(m) for(i = 0; i != m.length; ++i) {
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y = m[i].match(attregex);
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if((j=y[1].indexOf(":")) === -1) z[y[1]] = y[2].substr(1,y[2].length-2);
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else {
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if(y[1].substr(0,6) === "xmlns:") w = "xmlns"+y[1].substr(6);
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else w = y[1].substr(j+1);
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z[w] = y[2].substr(1,y[2].length-2);
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}
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}
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return z;
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}
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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 = evert(encodings);
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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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function unescapexml(text){
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var s = text + '';
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s = s.replace(/&[a-z]*;/g, function($$) { return encodings[$$]; });
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return s.replace(/_x([0-9a-fA-F]*)_/g,function(m,c) {return _chr(parseInt(c,16));});
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}
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function escapexml(text){
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var s = text + '';
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rencstr.forEach(function(y){s=s.replace(new RegExp(y,'g'), rencoding[y]);});
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s = s.replace(/[\u0000-\u0008\u000b-\u001f]/g,function(s) { return "_x" + ("0000"+_ord(s).toString(16)).substr(-4) + "_";});
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return s;
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}
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function parsexmlbool(value, tag) {
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switch(value) {
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case '0': case 0: case 'false': case 'FALSE': return false;
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case '1': case 1: case 'true': case 'TRUE': return true;
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default: throw "bad boolean value " + value + " in "+(tag||"?");
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}
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}
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var utf8read = function(orig) {
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var out = [], i = 0, c = 0, c1 = 0, c2 = 0, c3 = 0;
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if(!orig.match(/[\u0080-\uffff]/)) return orig;
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while (i < orig.length) {
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c = orig.charCodeAt(i++);
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if (c < 128) out.push(_chr(c));
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else {
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c2 = orig.charCodeAt(i++);
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if (c>191 && c<224) out.push(_chr((c & 31) << 6 | c2 & 63));
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else {
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c3 = orig.charCodeAt(i++);
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out.push(_chr((c & 15) << 12 | (c2 & 63) << 6 | c3 & 63));
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}
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}
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}
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return out.join("");
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};
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// matches <foo>...</foo> extracts content
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function matchtag(f,g) {return new RegExp('<(?:\\w+:)?'+f+'(?: xml:space="preserve")?(?:[^>]*)>([^\u2603]*)</(?:\\w+:)?'+f+'>',(g||"")+"m");}
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function parseVector(data) {
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var h = parsexmltag(data);
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var matches = data.match(new RegExp("<vt:" + h.baseType + ">(.*?)</vt:" + h.baseType + ">", 'g'))||[];
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if(matches.length != h.size) throw "unexpected vector length " + matches.length + " != " + h.size;
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var res = [];
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matches.forEach(function(x) {
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var v = x.replace(/<[/]?vt:variant>/g,"").match(/<vt:([^>]*)>(.*)</);
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res.push({v:v[2], t:v[1]});
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});
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return res;
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}
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function writetag(f,g) {return '<' + f + (g.match(/(^\s|\s$|\n)/)?' xml:space="preserve"' : "") + '>' + g + '</' + f + '>';}
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function writextag(f,g,h) { return '<' + f + (h !== null && h !== undefined ? keys(h).map(function(k) { return " " + k + '="' + h[k] + '"';}).join("") : "") + (g === null || g === undefined ? "/" : (g.match(/(^\s|\s$|\n)/)?' xml:space="preserve"' : "") + '>' + g + '</' + f) + '>';}
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function write_w3cdtf(d, t) { try { return d.toISOString().replace(/\.\d*/,""); } catch(e) { if(t) throw e; } }
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function write_vt(s) {
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if(typeof s == 'string') return writextag('vt:lpwstr', s);
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if(typeof s == 'number') return writextag((s|0)==s?'vt:i4':'vt:r8', String(s));
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if(typeof s == 'boolean') return writextag('vt:bool', s?'true':'false');
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if(s instanceof Date) return writextag('vt:filetime', write_w3cdtf(s));
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throw new Error("Unable to serialize " + s);
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}
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var XML_HEADER = '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>\r\n';
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var XMLNS = {
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'dc': 'http://purl.org/dc/elements/1.1/',
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'dcterms': 'http://purl.org/dc/terms/',
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'dcmitype': 'http://purl.org/dc/dcmitype/',
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'mx': 'http://schemas.microsoft.com/office/mac/excel/2008/main',
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'r': 'http://schemas.openxmlformats.org/officeDocument/2006/relationships',
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'sjs': 'http://schemas.openxmlformats.org/package/2006/sheetjs/core-properties',
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'vt': 'http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes',
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'xsi': 'http://www.w3.org/2001/XMLSchema-instance',
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'xsd': 'http://www.w3.org/2001/XMLSchema'
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};
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XMLNS.main = [
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'http://schemas.openxmlformats.org/spreadsheetml/2006/main',
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'http://purl.oclc.org/ooxml/spreadsheetml/main',
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'http://schemas.microsoft.com/office/excel/2006/main',
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'http://schemas.microsoft.com/office/excel/2006/2'
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];
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