Sakurai/pdf.js
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Optimize metadata parsing

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This commit is contained in:
Saebekassebil 2012-09-15 18:54:08 +02:00
parent 8c52dc5398
commit c88924f411
1 changed files with 9 additions and 13 deletions
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22
src/metadata.js
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@ -66,23 +66,19 @@ var Metadata = PDFJS.Metadata = (function MetadataClosure() {
if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes())
return;
var childNodes = rdf.childNodes, desc, namespace, entries, entry;
var children = rdf.childNodes, desc, entry, name, i, ii, length, iLength;
for (var i = 0, length = childNodes.length; i < length; i++) {
desc = childNodes[i];
for (i = 0, length = children.length; i < length; i++) {
desc = children[i];
if (desc.nodeName.toLowerCase() !== 'rdf:description')
continue;
entries = [];
for (var ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) {
if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text')
entries.push(desc.childNodes[ii]);
}
for (ii = 0, iLength = entries.length; ii < iLength; ii++) {
var entry = entries[ii];
var name = entry.nodeName.toLowerCase();
this.metadata[name] = entry.textContent.trim();
for (ii = 0, iLength = desc.childNodes.length; ii < iLength; ii++) {
if (desc.childNodes[ii].nodeName.toLowerCase() !== '#text') {
entry = desc.childNodes[ii];
name = entry.nodeName.toLowerCase();
this.metadata[name] = entry.textContent.trim();
}
}
}
},