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Issue #2008 - Fix lint errors for src/stream.js

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This commit is contained in:
Jon Buckley 2013-01-31 18:33:30 -05:00
parent a1a098fbee
commit 4a292a310f
1 changed files with 20 additions and 19 deletions
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39
src/stream.js
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@ -1,5 +1,6 @@
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
/* globals bytesToString, ColorSpace, Dict, EOF, error, info, Jbig2Image, JpegImage, JpxImage, Lexer */
/* Copyright 2012 Mozilla Foundation /* Copyright 2012 Mozilla Foundation
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
@ -247,7 +248,7 @@ var StreamsSequenceStream = (function StreamsSequenceStreamClosure() {
function streamSequenceStreamReadBlock() { function streamSequenceStreamReadBlock() {
var streams = this.streams; var streams = this.streams;
if (streams.length == 0) { if (streams.length === 0) {
this.eof = true; this.eof = true;
return; return;
} }
@ -367,7 +368,7 @@ var FlateStream = (function FlateStreamClosure() {
error('Invalid header in flate stream: ' + cmf + ', ' + flg); error('Invalid header in flate stream: ' + cmf + ', ' + flg);
if ((cmf & 0x0f) != 0x08) if ((cmf & 0x0f) != 0x08)
error('Unknown compression method in flate stream: ' + cmf + ', ' + flg); error('Unknown compression method in flate stream: ' + cmf + ', ' + flg);
if ((((cmf << 8) + flg) % 31) != 0) if ((((cmf << 8) + flg) % 31) !== 0)
error('Bad FCHECK in flate stream: ' + cmf + ', ' + flg); error('Bad FCHECK in flate stream: ' + cmf + ', ' + flg);
if (flg & 0x20) if (flg & 0x20)
error('FDICT bit set in flate stream: ' + cmf + ', ' + flg); error('FDICT bit set in flate stream: ' + cmf + ', ' + flg);
@ -421,7 +422,7 @@ var FlateStream = (function FlateStreamClosure() {
var code = codes[codeBuf & ((1 << maxLen) - 1)]; var code = codes[codeBuf & ((1 << maxLen) - 1)];
var codeLen = code >> 16; var codeLen = code >> 16;
var codeVal = code & 0xffff; var codeVal = code & 0xffff;
if (codeSize == 0 || codeSize < codeLen || codeLen == 0) if (codeSize === 0 || codeSize < codeLen || codeLen === 0)
error('Bad encoding in flate stream'); error('Bad encoding in flate stream');
this.codeBuf = (codeBuf >> codeLen); this.codeBuf = (codeBuf >> codeLen);
this.codeSize = (codeSize - codeLen); this.codeSize = (codeSize - codeLen);
@ -475,7 +476,7 @@ var FlateStream = (function FlateStreamClosure() {
this.eof = true; this.eof = true;
hdr >>= 1; hdr >>= 1;
if (hdr == 0) { // uncompressed block if (hdr === 0) { // uncompressed block
var bytes = this.bytes; var bytes = this.bytes;
var bytesPos = this.bytesPos; var bytesPos = this.bytesPos;
var b; var b;
@ -708,7 +709,7 @@ var PredictorStream = (function PredictorStreamClosure() {
var buffer = this.ensureBuffer(bufferLength + rowBytes); var buffer = this.ensureBuffer(bufferLength + rowBytes);
var prevRow = buffer.subarray(bufferLength - rowBytes, bufferLength); var prevRow = buffer.subarray(bufferLength - rowBytes, bufferLength);
if (prevRow.length == 0) if (prevRow.length === 0)
prevRow = new Uint8Array(rowBytes); prevRow = new Uint8Array(rowBytes);
var j = bufferLength; var j = bufferLength;
@ -793,10 +794,10 @@ var JpegStream = (function JpegStreamClosure() {
// Looking for APP14, 'Adobe' // Looking for APP14, 'Adobe'
for (var i = 0; i < maxBytesScanned; ++i) { for (var i = 0; i < maxBytesScanned; ++i) {
if (bytes[i] == 0xFF && bytes[i + 1] == 0xEE && if (bytes[i] == 0xFF && bytes[i + 1] == 0xEE &&
bytes[i + 2] == 0x00 && bytes[i + 3] == 0x0E && bytes[i + 2] === 0x00 && bytes[i + 3] == 0x0E &&
bytes[i + 4] == 0x41 && bytes[i + 5] == 0x64 && bytes[i + 4] == 0x41 && bytes[i + 5] == 0x64 &&
bytes[i + 6] == 0x6F && bytes[i + 7] == 0x62 && bytes[i + 6] == 0x6F && bytes[i + 7] == 0x62 &&
bytes[i + 8] == 0x65 && bytes[i + 9] == 0x00) bytes[i + 8] == 0x65 && bytes[i + 9] === 0x00)
return true; return true;
// scanning until frame tag // scanning until frame tag
if (bytes[i] == 0xFF && bytes[i + 1] == 0xC0) if (bytes[i] == 0xFF && bytes[i + 1] == 0xC0)
@ -1053,7 +1054,7 @@ var DecryptStream = (function DecryptStreamClosure() {
DecryptStream.prototype.readBlock = function DecryptStream_readBlock() { DecryptStream.prototype.readBlock = function DecryptStream_readBlock() {
var chunk = this.str.getBytes(chunkSize); var chunk = this.str.getBytes(chunkSize);
if (!chunk || chunk.length == 0) { if (!chunk || chunk.length === 0) {
this.eof = true; this.eof = true;
return; return;
} }
@ -1695,7 +1696,7 @@ var CCITTFaxStream = (function CCITTFaxStreamClosure() {
this.columns = params.get('Columns') || 1728; this.columns = params.get('Columns') || 1728;
this.rows = params.get('Rows') || 0; this.rows = params.get('Rows') || 0;
var eoblock = params.get('EndOfBlock'); var eoblock = params.get('EndOfBlock');
if (eoblock == null) if (eoblock === null || eoblock === undefined)
eoblock = true; eoblock = true;
this.eoblock = eoblock; this.eoblock = eoblock;
this.black = params.get('BlackIs1') || false; this.black = params.get('BlackIs1') || false;
@ -1714,7 +1715,7 @@ var CCITTFaxStream = (function CCITTFaxStreamClosure() {
this.buf = EOF; this.buf = EOF;
var code1; var code1;
while ((code1 = this.lookBits(12)) == 0) { while ((code1 = this.lookBits(12)) === 0) {
this.eatBits(1); this.eatBits(1);
} }
if (code1 == 1) { if (code1 == 1) {
@ -1798,7 +1799,7 @@ var CCITTFaxStream = (function CCITTFaxStreamClosure() {
var refPos, blackPixels, bits; var refPos, blackPixels, bits;
if (this.outputBits == 0) { if (this.outputBits === 0) {
if (this.eof) if (this.eof)
return null; return null;
@ -1972,7 +1973,7 @@ var CCITTFaxStream = (function CCITTFaxStreamClosure() {
this.eof = true; this.eof = true;
} else { } else {
code1 = this.lookBits(12); code1 = this.lookBits(12);
while (code1 == 0) { while (code1 === 0) {
this.eatBits(1); this.eatBits(1);
code1 = this.lookBits(12); code1 = this.lookBits(12);
} }
@ -2040,7 +2041,7 @@ var CCITTFaxStream = (function CCITTFaxStreamClosure() {
if (this.outputBits >= 8) { if (this.outputBits >= 8) {
this.buf = (this.codingPos & 1) ? 0 : 0xFF; this.buf = (this.codingPos & 1) ? 0 : 0xFF;
this.outputBits -= 8; this.outputBits -= 8;
if (this.outputBits == 0 && codingLine[this.codingPos] < columns) { if (this.outputBits === 0 && codingLine[this.codingPos] < columns) {
this.codingPos++; this.codingPos++;
this.outputBits = (codingLine[this.codingPos] - this.outputBits = (codingLine[this.codingPos] -
codingLine[this.codingPos - 1]); codingLine[this.codingPos - 1]);
@ -2139,7 +2140,7 @@ var CCITTFaxStream = (function CCITTFaxStreamClosure() {
if (code == EOF) if (code == EOF)
return 1; return 1;
if ((code >> 5) == 0) if ((code >> 5) === 0)
p = whiteTable1[code]; p = whiteTable1[code];
else else
p = whiteTable2[code >> 3]; p = whiteTable2[code >> 3];
@ -2170,9 +2171,9 @@ var CCITTFaxStream = (function CCITTFaxStreamClosure() {
code = this.lookBits(13); code = this.lookBits(13);
if (code == EOF) if (code == EOF)
return 1; return 1;
if ((code >> 7) == 0) if ((code >> 7) === 0)
p = blackTable1[code]; p = blackTable1[code];
else if ((code >> 9) == 0 && (code >> 7) != 0) else if ((code >> 9) === 0 && (code >> 7) !== 0)
p = blackTable2[(code >> 1) - 64]; p = blackTable2[(code >> 1) - 64];
else else
p = blackTable3[code >> 7]; p = blackTable3[code >> 7];
@ -2202,8 +2203,8 @@ var CCITTFaxStream = (function CCITTFaxStreamClosure() {
CCITTFaxStream.prototype.lookBits = function CCITTFaxStream_lookBits(n) { CCITTFaxStream.prototype.lookBits = function CCITTFaxStream_lookBits(n) {
var c; var c;
while (this.inputBits < n) { while (this.inputBits < n) {
if ((c = this.str.getByte()) == null) { if ((c = this.str.getByte()) === null || c === undefined) {
if (this.inputBits == 0) if (this.inputBits === 0)
return EOF; return EOF;
return ((this.inputBuf << (n - this.inputBits)) & return ((this.inputBuf << (n - this.inputBits)) &
(0xFFFF >> (16 - n))); (0xFFFF >> (16 - n)));
@ -2256,7 +2257,7 @@ var LZWStream = (function LZWStreamClosure() {
var cachedData = this.cachedData; var cachedData = this.cachedData;
while (bitsCached < n) { while (bitsCached < n) {
var c = this.str.getByte(); var c = this.str.getByte();
if (c == null) { if (c === null || c === undefined) {
this.eof = true; this.eof = true;
return null; return null;
} }