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Handled case where var "outlineDict" was null (in certain PDFs). Handled

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case where var "e" was null in "function xRefGetEntry" (in certain PDFs)
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mrqzzz 2012-03-13 16:52:55 +01:00
parent 6833f64db3
commit d6cb3cbbd7
1 changed files with 35 additions and 31 deletions
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66
src/obj.js
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@ -134,37 +134,39 @@ var Catalog = (function CatalogClosure() {
while (queue.length > 0) {
var i = queue.shift();
var outlineDict = xref.fetch(i.obj);
if (!outlineDict.has('Title'))
error('Invalid outline item');
var dest = outlineDict.get('A');
if (dest)
dest = xref.fetchIfRef(dest).get('D');
else if (outlineDict.has('Dest')) {
dest = outlineDict.get('Dest');
if (isName(dest))
dest = dest.name;
}
var title = xref.fetchIfRef(outlineDict.get('Title'));
var outlineItem = {
dest: dest,
title: stringToPDFString(title),
color: outlineDict.get('C') || [0, 0, 0],
count: outlineDict.get('Count'),
bold: !!(outlineDict.get('F') & 2),
italic: !!(outlineDict.get('F') & 1),
items: []
};
i.parent.items.push(outlineItem);
obj = outlineDict.get('First');
if (isRef(obj) && !processed.has(obj)) {
queue.push({obj: obj, parent: outlineItem});
processed.put(obj);
}
obj = outlineDict.get('Next');
if (isRef(obj) && !processed.has(obj)) {
queue.push({obj: obj, parent: i.parent});
processed.put(obj);
}
if(outlineDict != null){
if (!outlineDict.has('Title'))
error('Invalid outline item');
var dest = outlineDict.get('A');
if (dest)
dest = xref.fetchIfRef(dest).get('D');
else if (outlineDict.has('Dest')) {
dest = outlineDict.get('Dest');
if (isName(dest))
dest = dest.name;
}
var title = xref.fetchIfRef(outlineDict.get('Title'));
var outlineItem = {
dest: dest,
title: stringToPDFString(title),
color: outlineDict.get('C') || [0, 0, 0],
count: outlineDict.get('Count'),
bold: !!(outlineDict.get('F') & 2),
italic: !!(outlineDict.get('F') & 1),
items: []
};
i.parent.items.push(outlineItem);
obj = outlineDict.get('First');
if (isRef(obj) && !processed.has(obj)) {
queue.push({obj: obj, parent: outlineItem});
processed.put(obj);
}
obj = outlineDict.get('Next');
if (isRef(obj) && !processed.has(obj)) {
queue.push({obj: obj, parent: i.parent});
processed.put(obj);
}
}
}
}
}
@ -569,6 +571,8 @@ var XRef = (function XRefClosure() {
},
getEntry: function xRefGetEntry(i) {
var e = this.entries[i];
if(e == null)
return null;
return e.free ? null : e; // returns null is the entry is free
},
fetchIfRef: function xRefFetchIfRef(obj) {