Sakurai/pdf.js
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Not relying on the xref in the parser

Browse Source
This commit is contained in:
notmasteryet 2012-02-14 20:19:43 -06:00
parent 8c727860dd
commit 2f98d18dc1
1 changed files with 7 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/parser.js
View File

@ -162,6 +162,10 @@ var Parser = (function ParserClosure() {
return imageStream;
},
fetchIfRef: function parserFetchIfRef(obj) {
// not relying on the xref.fetchIfRef -- xref might not be set
return isRef(obj) ? this.xref.fetch(obj) : obj;
},
makeStream: function parserMakeStream(dict, cipherTransform) {
var lexer = this.lexer;
var stream = lexer.stream;
@ -171,10 +175,7 @@ var Parser = (function ParserClosure() {
var pos = stream.pos;
// get length
var length = dict.get('Length');
var xref = this.xref;
if (xref)
length = xref.fetchIfRef(length);
var length = this.fetchIfRef(dict.get('Length'));
if (!isInt(length)) {
error('Bad ' + length + ' attribute in stream');
length = 0;
@ -196,9 +197,8 @@ var Parser = (function ParserClosure() {
return stream;
},
filter: function parserFilter(stream, dict, length) {
var xref = this.xref;
var filter = xref.fetchIfRef(dict.get('Filter', 'F'));
var params = xref.fetchIfRef(dict.get('DecodeParms', 'DP'));
var filter = this.fetchIfRef(dict.get('Filter', 'F'));
var params = this.fetchIfRef(dict.get('DecodeParms', 'DP'));
if (isName(filter))
return this.makeFilter(stream, filter.name, length, params);
if (isArray(filter)) {