Sakurai/pdf.js
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hand in xref to the parser if needed so we can resolve 'Length' for sub-streams

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Andreas Gal 2011-06-03 14:38:54 -07:00
parent ed51d65409
commit 92aa46cf81
1 changed files with 8 additions and 4 deletions
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pdf.js
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@ -1402,9 +1402,10 @@ var Lexer = (function() {
})(); })();
var Parser = (function() { var Parser = (function() {
function constructor(lexer, allowStreams) { function constructor(lexer, allowStreams, xref) {
this.lexer = lexer; this.lexer = lexer;
this.allowStreams = allowStreams; this.allowStreams = allowStreams;
this.xref = xref;
this.inlineImg = 0; this.inlineImg = 0;
this.refill(); this.refill();
} }
@ -1513,8 +1514,11 @@ var Parser = (function() {
var pos = stream.pos; var pos = stream.pos;
// get length // get length
var length; var length = dict.get("Length");
if (!IsInt(length = dict.get("Length"))) { var xref = this.xref;
if (xref)
length = xref.fetchIfRef(length);
if (!IsInt(length)) {
error("Bad 'Length' attribute in stream"); error("Bad 'Length' attribute in stream");
lenght = 0; lenght = 0;
} }
@ -1783,7 +1787,7 @@ var XRef = (function() {
if (e.gen != gen) if (e.gen != gen)
throw("inconsistent generation in XRef"); throw("inconsistent generation in XRef");
var stream = this.stream.makeSubStream(e.offset); var stream = this.stream.makeSubStream(e.offset);
var parser = new Parser(new Lexer(stream), true); var parser = new Parser(new Lexer(stream), true, this);
var obj1 = parser.getObj(); var obj1 = parser.getObj();
var obj2 = parser.getObj(); var obj2 = parser.getObj();
var obj3 = parser.getObj(); var obj3 = parser.getObj();