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lookChar refactoring

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This commit is contained in:
Yury Delendik 2013-06-30 15:45:15 -05:00
parent ba87d2fe11
commit 19e8f2f059
8 changed files with 251 additions and 272 deletions
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14
src/core.js
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@ -313,7 +313,7 @@ var PDFDocument = (function PDFDocumentClosure() {
if (pos + limit > end)
limit = end - pos;
for (var n = 0; n < limit; ++n)
str += stream.getChar();
str += String.fromCharCode(stream.getByte());
stream.pos = pos;
var index = backwards ? str.lastIndexOf(needle) : str.indexOf(needle);
if (index == -1)
@ -392,12 +392,12 @@ var PDFDocument = (function PDFDocumentClosure() {
stream.skip(9);
var ch;
do {
ch = stream.getChar();
ch = stream.getByte();
} while (Lexer.isSpace(ch));
var str = '';
while ((ch - '0') <= 9) {
str += ch;
ch = stream.getChar();
while (ch >= 0x20 && ch <= 0x39) { // < '9'
str += String.fromCharCode(ch);
ch = stream.getByte();
}
startXRef = parseInt(str, 10);
if (isNaN(startXRef))
@ -426,11 +426,11 @@ var PDFDocument = (function PDFDocumentClosure() {
// Reading file format version
var MAX_VERSION_LENGTH = 12;
var version = '', ch;
while ((ch = stream.getChar()) > ' ') {
while ((ch = stream.getByte()) > 0x20) { // SPACE
if (version.length >= MAX_VERSION_LENGTH) {
break;
}
version += ch;
version += String.fromCharCode(ch);
}
// removing "%PDF-"-prefix
this.pdfFormatVersion = version.substring(5);