sheetjs/odsbits/22_xmlutils.js
SheetJS 61d2e55cc6 version bump 0.7.11: ODS hooks
- ODS hooks + very basic parser (ods.js)
- handle implicit row/col spec (h/t @EarlJS, see http://git.io/2lwOuA)
2014-10-09 22:22:38 -04:00

90 lines
2.7 KiB
JavaScript

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