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

Cache the regular expression used for finding objs in XRef_indexObjects, to avoid unnecessary allocations

Browse Source
This commit is contained in:
Jonas Jenwald 2015-10-02 12:46:58 +02:00
parent 192907e0d2
commit 9b12c64be5
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/core/obj.js
View File

@ -1060,6 +1060,7 @@ var XRef = (function XRefClosure() {
}
return skipped;
}
var objRegExp = /^(\d+)\s+(\d+)\s+obj\b/;
var trailerBytes = new Uint8Array([116, 114, 97, 105, 108, 101, 114]);
var startxrefBytes = new Uint8Array([115, 116, 97, 114, 116, 120, 114,
101, 102]);
@ -1097,7 +1098,7 @@ var XRef = (function XRefClosure() {
position += skipUntil(buffer, position, trailerBytes);
trailers.push(position);
position += skipUntil(buffer, position, startxrefBytes);
} else if ((m = /^(\d+)\s+(\d+)\s+obj\b/.exec(token))) {
} else if ((m = objRegExp.exec(token))) {
if (typeof this.entries[m[1]] === 'undefined') {
this.entries[m[1]] = {
offset: position - stream.start,