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skeleton for XRef support

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This commit is contained in:
Andreas Gal 2011-05-06 12:12:57 -07:00
parent 860c8129bf
commit 2e88d3779c
1 changed files with 22 additions and 1 deletions
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23
pdf.js
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@ -609,6 +609,16 @@ var Linearization = (function () {
return constructor;
})();
var XRef = (function () {
function constructor(stream, startXRef, mainXRefEntriesOffset) {
}
constructor.prototype = {
};
return constructor;
})();
var PDFDoc = (function () {
function constructor(stream) {
this.stream = stream;
@ -660,6 +670,14 @@ var PDFDoc = (function () {
// shadow the prototype getter with a data property
return this.startXRef = startXRef;
},
get mainXRefEntriesOffset() {
var mainXRefEntriesOffset = 0;
var linearization = this.linearization;
if (linearization)
mainXRefEntriesOffset = linearization.mainXRefEntriesOffset;
// shadow the prototype getter with a data property
return this.mainXRefEntriesOffset = mainXRefEntriesOffset;
},
// Find the header, remove leading garbage and setup the stream
// starting from the header.
checkHeader: function() {
@ -675,7 +693,10 @@ var PDFDoc = (function () {
},
setup: function(arrayBuffer, ownerPassword, userPassword) {
this.checkHeader(arrayBuffer);
print(this.startXRef);
this.xref = new XRef(this.stream,
this.startXRef,
this.mainXRefEntriesOffset);
this.ok = this.xref.ok;
}
};