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mirror of https://github.com/janeczku/calibre-web synced 2024-12-25 09:30:31 +00:00

Code cosmetics comic reader

This commit is contained in:
OzzieIsaacs 2017-10-08 10:41:43 +02:00
parent 90729de87f
commit 1eb10be253
7 changed files with 270 additions and 262 deletions

View File

@ -8,6 +8,8 @@
* Copyright(c) 2011 Google Inc.
*/
/* global bitjs */
var bitjs = bitjs || {};
bitjs.archive = bitjs.archive || {};
@ -15,7 +17,7 @@ bitjs.archive = bitjs.archive || {};
// ===========================================================================
// Stolen from Closure because it's the best way to do Java-like inheritance.
bitjs.base = function(me, optMethodName, var_args) {
bitjs.base = function(me, optMethodName, varArgs) {
var caller = arguments.callee.caller;
if (caller.superClass_) {
// This is a constructor. Call the superclass constructor.
@ -48,10 +50,10 @@ bitjs.archive = bitjs.archive || {};
};
bitjs.inherits = function(childCtor, parentCtor) {
/** @constructor */
function tempCtor() {};
tempCtor.prototype = parentCtor.prototype;
function TempCtor() {}
TempCtor.prototype = parentCtor.prototype;
childCtor.superClass_ = parentCtor.prototype;
childCtor.prototype = new tempCtor();
childCtor.prototype = new TempCtor();
childCtor.prototype.constructor = childCtor;
};
// ===========================================================================
@ -141,12 +143,12 @@ bitjs.archive = bitjs.archive || {};
* Progress event.
*/
bitjs.archive.UnarchiveProgressEvent = function(
currentFilename,
currentFileNumber,
currentBytesUnarchivedInFile,
currentBytesUnarchived,
totalUncompressedBytesInArchive,
totalFilesInArchive)
currentFilename,
currentFileNumber,
currentBytesUnarchivedInFile,
currentBytesUnarchived,
totalUncompressedBytesInArchive,
totalFilesInArchive)
{
bitjs.base(this, bitjs.archive.UnarchiveEvent.Type.PROGRESS);
@ -296,7 +298,7 @@ bitjs.archive = bitjs.archive || {};
};
this.worker_.onmessage = function(e) {
if (typeof e.data == "string") {
if (typeof e.data === "string") {
// Just log any strings the workers pump our way.
console.log(e.data);
} else {

View File

@ -9,6 +9,8 @@
* Copyright(c) 2011 antimatter15
*/
/* global bitjs, Uint8Array */
var bitjs = bitjs || {};
bitjs.io = bitjs.io || {};
@ -58,16 +60,16 @@ bitjs.io = bitjs.io || {};
* @return {number} The peeked bits, as an unsigned number.
*/
bitjs.io.BitStream.prototype.peekBitsLtr = function(n, movePointers) {
if (n <= 0 || typeof n != typeof 1) {
if (n <= 0 || typeof n !== typeof 1) {
return 0;
}
movePointers = movePointers || false,
bytePtr = this.bytePtr,
bitPtr = this.bitPtr,
result = 0,
bitsIn = 0,
bytes = this.bytes;
var movePointers = movePointers || false;
var bytePtr = this.bytePtr;
var bitPtr = this.bitPtr;
var result = 0;
var bitsIn = 0;
var bytes = this.bytes;
// keep going until we have no more bits left to peek at
// TODO: Consider putting all bits from bytes we will need into a variable and then
@ -123,11 +125,11 @@ bitjs.io = bitjs.io || {};
return 0;
}
var movePointers = movePointers || false,
bytePtr = this.bytePtr,
bitPtr = this.bitPtr,
result = 0,
bytes = this.bytes;
var movePointers = movePointers || false;
var bytePtr = this.bytePtr;
var bitPtr = this.bitPtr;
var result = 0;
var bytes = this.bytes;
// keep going until we have no more bits left to peek at
// TODO: Consider putting all bits from bytes we will need into a variable and then
@ -138,7 +140,7 @@ bitjs.io = bitjs.io || {};
if (bytePtr >= bytes.length) {
throw "Error! Overflowed the bit stream! n=" + n + ", bytePtr=" + bytePtr + ", bytes.length=" +
bytes.length + ", bitPtr=" + bitPtr;
return -1;
// return -1;
}
var numBitsLeftInThisByte = (8 - bitPtr);
@ -207,8 +209,8 @@ bitjs.io = bitjs.io || {};
}
movePointers = movePointers || false;
var bytePtr = this.bytePtr,
bitPtr = this.bitPtr;
var bytePtr = this.bytePtr;
// var bitPtr = this.bitPtr;
var result = this.bytes.subarray(bytePtr, bytePtr + n);
@ -255,7 +257,7 @@ bitjs.io = bitjs.io || {};
*/
bitjs.io.ByteStream.prototype.peekNumber = function(n) {
// TODO: return error if n would go past the end of the stream?
if (n <= 0 || typeof n !== typeof 1){
if (n <= 0 || typeof n !== typeof 1) {
return -1;
}

View File

@ -8,7 +8,7 @@
*
* http://kthoom.googlecode.com/hg/docs/unrar.html
*/
/* global bitjs */
/* global bitjs, importScripts */
// This file expects to be invoked as a Worker (see onmessage below).
importScripts("io.js");
@ -42,23 +42,23 @@ var postProgress = function() {
// shows a byte value as its hex representation
var nibble = "0123456789ABCDEF";
var byteValueToHexString = function(num) {
return nibble[num>>4] + nibble[num&0xF];
return nibble[num>>4] + nibble[num & 0xF];
};
var twoByteValueToHexString = function(num) {
return nibble[(num>>12)&0xF] + nibble[(num>>8)&0xF] + nibble[(num>>4)&0xF] + nibble[num&0xF];
return nibble[(num>>12) & 0xF] + nibble[(num>>8) & 0xF] + nibble[(num>>4) & 0xF] + nibble[num & 0xF];
};
// Volume Types
var MARK_HEAD = 0x72,
MAIN_HEAD = 0x73,
// MARK_HEAD = 0x72;
var MAIN_HEAD = 0x73,
FILE_HEAD = 0x74,
COMM_HEAD = 0x75,
AV_HEAD = 0x76,
SUB_HEAD = 0x77,
PROTECT_HEAD = 0x78,
SIGN_HEAD = 0x79,
NEWSUB_HEAD = 0x7a,
// COMM_HEAD = 0x75,
// AV_HEAD = 0x76,
// SUB_HEAD = 0x77,
// PROTECT_HEAD = 0x78,
// SIGN_HEAD = 0x79,
// NEWSUB_HEAD = 0x7a,
ENDARC_HEAD = 0x7b;
// bstream is a bit stream
@ -66,7 +66,7 @@ var RarVolumeHeader = function(bstream) {
var headPos = bstream.bytePtr;
// byte 1,2
info("Rar Volume Header @"+bstream.bytePtr);
info("Rar Volume Header @" + bstream.bytePtr);
this.crc = bstream.readBits(16);
info(" crc=" + this.crc);
@ -147,7 +147,7 @@ var RarVolumeHeader = function(bstream) {
this.HighPackSize = 0;
this.HighUnpSize = 0;
if (this.unpackedSize == 0xffffffff) {
this.HighUnpSize = 0x7fffffff
this.HighUnpSize = 0x7fffffff;
this.unpackedSize = 0xffffffff;
}
}
@ -160,7 +160,7 @@ var RarVolumeHeader = function(bstream) {
// read in filename
this.filename = bstream.readBytes(this.nameSize);
for (var _i = 0, _s = ''; _i < this.filename.length; _i++) {
for (var _i = 0, _s = ""; _i < this.filename.length ; _i++) {
_s += String.fromCharCode(this.filename[_i]);
}
@ -177,14 +177,16 @@ var RarVolumeHeader = function(bstream) {
// this is adapted straight out of arcread.cpp, Archive::ReadHeader()
for (var I = 0; I < 4; ++I) {
var rmode = extTimeFlags >> ((3-I)*4);
var rmode = extTimeFlags >> ((3 - I) * 4);
if ((rmode & 8)==0)
continue;
if (I!=0)
if (I!=0) {
bstream.readBits(16);
var count = (rmode&3);
for (var J = 0; J < count; ++J)
bstream.readBits(8);
}
var count = (rmode & 3);
for (var J = 0; J < count; ++J) {
bstream.readBits(8);
}
}
}
@ -193,7 +195,7 @@ var RarVolumeHeader = function(bstream) {
}
while(headPos + this.headSize > bstream.bytePtr) bstream.readBits(1);
while (headPos + this.headSize > bstream.bytePtr) bstream.readBits(1);
info("Found FILE_HEAD with packSize=" + this.packSize + ", unpackedSize= " + this.unpackedSize + ", hostOS=" + this.hostOS + ", unpVer=" + this.unpVer + ", method=" + this.method + ", filename=" + this.filename);
@ -206,24 +208,24 @@ var RarVolumeHeader = function(bstream) {
}
};
var BLOCK_LZ = 0,
BLOCK_PPM = 1;
var BLOCK_LZ = 0;
// BLOCK_PPM = 1;
var rLDecode = [0,1,2,3,4,5,6,7,8,10,12,14,16,20,24,28,32,40,48,56,64,80,96,112,128,160,192,224],
rLBits = [0,0,0,0,0,0,0,0,1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5],
rDBitLengthCounts = [4,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,14,0,12],
rSDDecode = [0,4,8,16,32,64,128,192],
var rLDecode = [0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 20, 24, 28, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224],
rLBits = [0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5],
rDBitLengthCounts = [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 14, 0, 12],
rSDDecode = [0, 4, 8, 16, 32, 64, 128, 192],
rSDBits = [2,2,3, 4, 5, 6, 6, 6];
var rDDecode = [0, 1, 2, 3, 4, 6, 8, 12, 16, 24, 32,
48, 64, 96, 128, 192, 256, 384, 512, 768, 1024, 1536, 2048, 3072,
4096, 6144, 8192, 12288, 16384, 24576, 32768, 49152, 65536, 98304,
131072, 196608, 262144, 327680, 393216, 458752, 524288, 589824,
655360, 720896, 786432, 851968, 917504, 983040];
48, 64, 96, 128, 192, 256, 384, 512, 768, 1024, 1536, 2048, 3072,
4096, 6144, 8192, 12288, 16384, 24576, 32768, 49152, 65536, 98304,
131072, 196608, 262144, 327680, 393216, 458752, 524288, 589824,
655360, 720896, 786432, 851968, 917504, 983040];
var rDBits = [0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5,
5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14,
15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16];
5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14,
15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16];
var rLOW_DIST_REP_COUNT = 16;
@ -232,35 +234,35 @@ var rNC = 299,
rLDC = 17,
rRC = 28,
rBC = 20,
rHUFF_TABLE_SIZE = (rNC+rDC+rRC+rLDC);
rHUFF_TABLE_SIZE = (rNC + rDC + rRC + rLDC);
var UnpBlockType = BLOCK_LZ;
var UnpOldTable = new Array(rHUFF_TABLE_SIZE);
var BD = { //bitdecode
DecodeLen: new Array(16),
DecodePos: new Array(16),
DecodeNum: new Array(rBC)
DecodeLen: new Array(16),
DecodePos: new Array(16),
DecodeNum: new Array(rBC)
};
var LD = { //litdecode
DecodeLen: new Array(16),
DecodePos: new Array(16),
DecodeNum: new Array(rNC)
DecodeLen: new Array(16),
DecodePos: new Array(16),
DecodeNum: new Array(rNC)
};
var DD = { //distdecode
DecodeLen: new Array(16),
DecodePos: new Array(16),
DecodeNum: new Array(rDC)
DecodeLen: new Array(16),
DecodePos: new Array(16),
DecodeNum: new Array(rDC)
};
var LDD = { //low dist decode
DecodeLen: new Array(16),
DecodePos: new Array(16),
DecodeNum: new Array(rLDC)
DecodeLen: new Array(16),
DecodePos: new Array(16),
DecodeNum: new Array(rLDC)
};
var RD = { //rep decode
DecodeLen: new Array(16),
DecodePos: new Array(16),
DecodeNum: new Array(rRC)
DecodeLen: new Array(16),
DecodePos: new Array(16),
DecodeNum: new Array(rRC)
};
var rBuffer;
@ -742,7 +744,7 @@ function unpack(v) {
rBuffer = new bitjs.io.ByteBuffer(v.header.unpackedSize);
info("Unpacking "+v.filename+" RAR v"+Ver);
info("Unpacking " + v.filename+" RAR v" + Ver);
switch(Ver) {
case 15: // rar 1.5 compression
@ -816,7 +818,7 @@ var unrar = function(arrayBuffer) {
postMessage(new bitjs.archive.UnarchiveStartEvent());
var bstream = new bitjs.io.BitStream(arrayBuffer, false /* rtl */);
var header = new RarVolumeHeader(bstream);
if (header.crc == 0x6152 &&
header.headType == 0x72 &&

View File

@ -7,11 +7,10 @@
*
* TAR format: http://www.gnu.org/software/automake/manual/tar/Standard.html
*/
/* global bitjs */
// This file expects to be invoked as a Worker (see onmessage below).
importScripts("io.js");
importScripts("archive.js");
importScripts('io.js');
importScripts('archive.js');
// Progress variables.
var currentFilename = "";
@ -23,147 +22,147 @@ var totalFilesInArchive = 0;
// Helper functions.
var info = function(str) {
postMessage(new bitjs.archive.UnarchiveInfoEvent(str));
postMessage(new bitjs.archive.UnarchiveInfoEvent(str));
};
var err = function(str) {
postMessage(new bitjs.archive.UnarchiveErrorEvent(str));
postMessage(new bitjs.archive.UnarchiveErrorEvent(str));
};
var postProgress = function() {
postMessage(new bitjs.archive.UnarchiveProgressEvent(
currentFilename,
currentFileNumber,
currentBytesUnarchivedInFile,
currentBytesUnarchived,
totalUncompressedBytesInArchive,
totalFilesInArchive));
postMessage(new bitjs.archive.UnarchiveProgressEvent(
currentFilename,
currentFileNumber,
currentBytesUnarchivedInFile,
currentBytesUnarchived,
totalUncompressedBytesInArchive,
totalFilesInArchive));
};
// Removes all characters from the first zero-byte in the string onwards.
var readCleanString = function(bstr, numBytes) {
var str = bstr.readString(numBytes);
var zIndex = str.indexOf(String.fromCharCode(0));
return zIndex !== -1 ? str.substr(0, zIndex) : str;
var str = bstr.readString(numBytes);
var zIndex = str.indexOf(String.fromCharCode(0));
return zIndex != -1 ? str.substr(0, zIndex) : str;
};
// takes a ByteStream and parses out the local file information
var TarLocalFile = function(bstream) {
this.isValid = false;
this.isValid = false;
// Read in the header block
this.name = readCleanString(bstream, 100);
this.mode = readCleanString(bstream, 8);
this.uid = readCleanString(bstream, 8);
this.gid = readCleanString(bstream, 8);
this.size = parseInt(readCleanString(bstream, 12), 8);
this.mtime = readCleanString(bstream, 12);
this.chksum = readCleanString(bstream, 8);
this.typeflag = readCleanString(bstream, 1);
this.linkname = readCleanString(bstream, 100);
this.maybeMagic = readCleanString(bstream, 6);
// Read in the header block
this.name = readCleanString(bstream, 100);
this.mode = readCleanString(bstream, 8);
this.uid = readCleanString(bstream, 8);
this.gid = readCleanString(bstream, 8);
this.size = parseInt(readCleanString(bstream, 12), 8);
this.mtime = readCleanString(bstream, 12);
this.chksum = readCleanString(bstream, 8);
this.typeflag = readCleanString(bstream, 1);
this.linkname = readCleanString(bstream, 100);
this.maybeMagic = readCleanString(bstream, 6);
if (this.maybeMagic === "ustar") {
this.version = readCleanString(bstream, 2);
this.uname = readCleanString(bstream, 32);
this.gname = readCleanString(bstream, 32);
this.devmajor = readCleanString(bstream, 8);
this.devminor = readCleanString(bstream, 8);
this.prefix = readCleanString(bstream, 155);
if (this.maybeMagic == "ustar") {
this.version = readCleanString(bstream, 2);
this.uname = readCleanString(bstream, 32);
this.gname = readCleanString(bstream, 32);
this.devmajor = readCleanString(bstream, 8);
this.devminor = readCleanString(bstream, 8);
this.prefix = readCleanString(bstream, 155);
if (this.prefix.length) {
this.name = this.prefix + this.name;
}
bstream.readBytes(12); // 512 - 500
} else {
bstream.readBytes(255); // 512 - 257
}
if (this.prefix.length) {
this.name = this.prefix + this.name;
}
bstream.readBytes(12); // 512 - 500
} else {
bstream.readBytes(255); // 512 - 257
}
// Done header, now rest of blocks are the file contents.
this.filename = this.name;
this.fileData = null;
// Done header, now rest of blocks are the file contents.
this.filename = this.name;
this.fileData = null;
info("Untarring file '" + this.filename + "'");
info(" size = " + this.size);
info(" typeflag = " + this.typeflag);
info("Untarring file '" + this.filename + "'");
info(" size = " + this.size);
info(" typeflag = " + this.typeflag);
// A regular file.
if (this.typeflag === 0) {
info(" This is a regular file.");
var sizeInBytes = parseInt(this.size);
this.fileData = new Uint8Array(bstream.bytes.buffer, bstream.ptr, this.size);
if (this.name.length > 0 && this.size > 0 && this.fileData && this.fileData.buffer) {
this.isValid = true;
}
// A regular file.
if (this.typeflag == 0) {
info(" This is a regular file.");
var sizeInBytes = parseInt(this.size);
this.fileData = new Uint8Array(bstream.bytes.buffer, bstream.ptr, this.size);
if (this.name.length > 0 && this.size > 0 && this.fileData && this.fileData.buffer) {
this.isValid = true;
}
bstream.readBytes(this.size);
bstream.readBytes(this.size);
// Round up to 512-byte blocks.
var remaining = 512 - this.size % 512;
if (remaining > 0 && remaining < 512) {
bstream.readBytes(remaining);
}
} else if (this.typeflag === 5) {
info(" This is a directory.");
}
// Round up to 512-byte blocks.
var remaining = 512 - this.size % 512;
if (remaining > 0 && remaining < 512) {
bstream.readBytes(remaining);
}
} else if (this.typeflag == 5) {
info(" This is a directory.")
}
};
// Takes an ArrayBuffer of a tar file in
// returns null on error
// returns an array of DecompressedFile objects on success
var untar = function(arrayBuffer) {
currentFilename = "";
currentFileNumber = 0;
currentBytesUnarchivedInFile = 0;
currentBytesUnarchived = 0;
totalUncompressedBytesInArchive = 0;
totalFilesInArchive = 0;
currentFilename = "";
currentFileNumber = 0;
currentBytesUnarchivedInFile = 0;
currentBytesUnarchived = 0;
totalUncompressedBytesInArchive = 0;
totalFilesInArchive = 0;
postMessage(new bitjs.archive.UnarchiveStartEvent());
var bstream = new bitjs.io.ByteStream(arrayBuffer);
var localFiles = [];
postMessage(new bitjs.archive.UnarchiveStartEvent());
var bstream = new bitjs.io.ByteStream(arrayBuffer);
var localFiles = [];
// While we don't encounter an empty block, keep making TarLocalFiles.
while (bstream.peekNumber(4) !== 0) {
var oneLocalFile = new TarLocalFile(bstream);
if (oneLocalFile && oneLocalFile.isValid) {
localFiles.push(oneLocalFile);
totalUncompressedBytesInArchive += oneLocalFile.size;
}
}
totalFilesInArchive = localFiles.length;
// While we don't encounter an empty block, keep making TarLocalFiles.
while (bstream.peekNumber(4) != 0) {
var oneLocalFile = new TarLocalFile(bstream);
if (oneLocalFile && oneLocalFile.isValid) {
localFiles.push(oneLocalFile);
totalUncompressedBytesInArchive += oneLocalFile.size;
}
}
totalFilesInArchive = localFiles.length;
// got all local files, now sort them
localFiles.sort(function(a, b) {
var aname = a.filename.toLowerCase();
var bname = b.filename.toLowerCase();
return aname > bname ? 1 : -1;
});
// report # files and total length
if (localFiles.length > 0) {
postProgress();
}
// now do the shipping of each file
for (var i = 0; i < localFiles.length; ++i) {
var localfile = localFiles[i];
info("Sending file '" + localfile.filename + "' up");
// update progress
currentFilename = localfile.filename;
currentFileNumber = i;
currentBytesUnarchivedInFile = localfile.size;
currentBytesUnarchived += localfile.size;
postMessage(new bitjs.archive.UnarchiveExtractEvent(localfile));
postProgress();
}
// got all local files, now sort them
localFiles.sort(function(a,b) {
var aname = a.filename.toLowerCase();
var bname = b.filename.toLowerCase();
return aname > bname ? 1 : -1;
});
// report # files and total length
if (localFiles.length > 0) {
postProgress();
}
postMessage(new bitjs.archive.UnarchiveFinishEvent());
// now do the shipping of each file
for (var i = 0; i < localFiles.length; ++i) {
var localfile = localFiles[i];
info("Sending file '" + localfile.filename + "' up");
// update progress
currentFilename = localfile.filename;
currentFileNumber = i;
currentBytesUnarchivedInFile = localfile.size;
currentBytesUnarchived += localfile.size;
postMessage(new bitjs.archive.UnarchiveExtractEvent(localfile));
postProgress();
}
postProgress();
postMessage(new bitjs.archive.UnarchiveFinishEvent());
};
// event.data.file has the ArrayBuffer.
onmessage = function(event) {
var ab = event.data.file;
untar(ab);
var ab = event.data.file;
untar(ab);
};

View File

@ -9,7 +9,7 @@
* ZIP format: http://www.pkware.com/documents/casestudies/APPNOTE.TXT
* DEFLATE format: http://tools.ietf.org/html/rfc1951
*/
/* global bitjs */
/* global bitjs, importScripts, Uint8Array */
// This file expects to be invoked as a Worker (see onmessage below).
importScripts("io.js");
@ -44,12 +44,12 @@ var zLocalFileHeaderSignature = 0x04034b50;
var zArchiveExtraDataSignature = 0x08064b50;
var zCentralFileHeaderSignature = 0x02014b50;
var zDigitalSignatureSignature = 0x05054b50;
var zEndOfCentralDirSignature = 0x06064b50;
var zEndOfCentralDirLocatorSignature = 0x07064b50;
//var zEndOfCentralDirSignature = 0x06064b50;
//var zEndOfCentralDirLocatorSignature = 0x07064b50;
// takes a ByteStream and parses out the local file information
var ZipLocalFile = function(bstream) {
if (typeof bstream != typeof {} || !bstream.readNumber || typeof bstream.readNumber != typeof function(){}) {
if (typeof bstream !== typeof {} || !bstream.readNumber || typeof bstream.readNumber != typeof function() {} ) {
return null;
}
@ -100,7 +100,7 @@ var ZipLocalFile = function(bstream) {
// "This descriptor exists only if bit 3 of the general purpose bit flag is set"
// But how do you figure out how big the file data is if you don't know the compressedSize
// from the header?!?
if ((this.generalPurpose & bitjs.BIT[3]) != 0) {
if ((this.generalPurpose & bitjs.BIT[3]) !== 0) {
this.crc32 = bstream.readNumber(4);
this.compressedSize = bstream.readNumber(4);
this.uncompressedSize = bstream.readNumber(4);
@ -111,13 +111,13 @@ var ZipLocalFile = function(bstream) {
ZipLocalFile.prototype.unzip = function() {
// Zip Version 1.0, no compression (store only)
if (this.compressionMethod == 0 ) {
info("ZIP v"+this.version+", store only: " + this.filename + " (" + this.compressedSize + " bytes)");
if (this.compressionMethod === 0 ) {
info("ZIP v" + this.version + ", store only: " + this.filename + " (" + this.compressedSize + " bytes)");
currentBytesUnarchivedInFile = this.compressedSize;
currentBytesUnarchived += this.compressedSize;
}
// version == 20, compression method == 8 (DEFLATE)
else if (this.compressionMethod == 8) {
else if (this.compressionMethod === 8) {
info("ZIP v2.0, DEFLATE: " + this.filename + " (" + this.compressedSize + " bytes)");
this.fileData = inflate(this.fileData, this.uncompressedSize);
}
@ -144,10 +144,10 @@ var unzip = function(arrayBuffer) {
var bstream = new bitjs.io.ByteStream(arrayBuffer);
// detect local file header signature or return null
if (bstream.peekNumber(4) == zLocalFileHeaderSignature) {
if (bstream.peekNumber(4) === zLocalFileHeaderSignature) {
var localFiles = [];
// loop until we don't see any more local files
while (bstream.peekNumber(4) == zLocalFileHeaderSignature) {
while (bstream.peekNumber(4) === zLocalFileHeaderSignature) {
var oneLocalFile = new ZipLocalFile(bstream);
// this should strip out directories/folders
if (oneLocalFile && oneLocalFile.uncompressedSize > 0 && oneLocalFile.fileData) {
@ -158,14 +158,14 @@ var unzip = function(arrayBuffer) {
totalFilesInArchive = localFiles.length;
// got all local files, now sort them
localFiles.sort(function(a,b) {
localFiles.sort(function(a, b) {
var aname = a.filename.toLowerCase();
var bname = b.filename.toLowerCase();
return aname > bname ? 1 : -1;
});
// archive extra data record
if (bstream.peekNumber(4) == zArchiveExtraDataSignature) {
if (bstream.peekNumber(4) === zArchiveExtraDataSignature) {
info(" Found an Archive Extra Data Signature");
// skipping this record for now
@ -176,11 +176,11 @@ var unzip = function(arrayBuffer) {
// central directory structure
// TODO: handle the rest of the structures (Zip64 stuff)
if (bstream.peekNumber(4) == zCentralFileHeaderSignature) {
if (bstream.peekNumber(4) === zCentralFileHeaderSignature) {
info(" Found a Central File Header");
// read all file headers
while (bstream.peekNumber(4) == zCentralFileHeaderSignature) {
while (bstream.peekNumber(4) === zCentralFileHeaderSignature) {
bstream.readNumber(4); // signature
bstream.readNumber(2); // version made by
bstream.readNumber(2); // version needed to extract
@ -206,7 +206,7 @@ var unzip = function(arrayBuffer) {
}
// digital signature
if (bstream.peekNumber(4) == zDigitalSignatureSignature) {
if (bstream.peekNumber(4) === zDigitalSignatureSignature) {
info(" Found a Digital Signature");
bstream.readNumber(4);
@ -231,66 +231,66 @@ var unzip = function(arrayBuffer) {
// actually do the unzipping
localfile.unzip();
if (localfile.fileData != null) {
if (localfile.fileData !== null) {
postMessage(new bitjs.archive.UnarchiveExtractEvent(localfile));
postProgress();
}
}
postProgress();
postMessage(new bitjs.archive.UnarchiveFinishEvent());
}
}
}
};
// returns a table of Huffman codes
// each entry's index is its code and its value is a JavaScript object
// containing {length: 6, symbol: X}
function getHuffmanCodes(bitLengths) {
// ensure bitLengths is an array containing at least one element
if (typeof bitLengths != typeof [] || bitLengths.length < 1) {
if (typeof bitLengths !== typeof [] || bitLengths.length < 1) {
err("Error! getHuffmanCodes() called with an invalid array");
return null;
}
// Reference: http://tools.ietf.org/html/rfc1951#page-8
var numLengths = bitLengths.length,
bl_count = [],
blCount = [],
MAX_BITS = 1;
// Step 1: count up how many codes of each length we have
for (var i = 0; i < numLengths; ++i) {
var length = bitLengths[i];
var len = bitLengths[i];
// test to ensure each bit length is a positive, non-zero number
if (typeof length != typeof 1 || length < 0) {
err("bitLengths contained an invalid number in getHuffmanCodes(): " + length + " of type " + (typeof length));
if (typeof len !== typeof 1 || len < 0) {
err("bitLengths contained an invalid number in getHuffmanCodes(): " + len + " of type " + (typeof len));
return null;
}
// increment the appropriate bitlength count
if (bl_count[length] == undefined) bl_count[length] = 0;
if (blCount[len] === undefined) blCount[len] = 0;
// a length of zero means this symbol is not participating in the huffman coding
if (length > 0) bl_count[length]++;
if (len > 0) blCount[len]++;
if (length > MAX_BITS) MAX_BITS = length;
if (len > MAX_BITS) MAX_BITS = len;
}
// Step 2: Find the numerical value of the smallest code for each code length
var next_code = [],
var nextCode = [],
code = 0;
for (var bits = 1; bits <= MAX_BITS; ++bits) {
var length = bits-1;
var len = bits-1;
// ensure undefined lengths are zero
if (bl_count[length] == undefined) bl_count[length] = 0;
code = (code + bl_count[bits-1]) << 1;
next_code[bits] = code;
if (blCount[len] == undefined) blCount[len] = 0;
code = (code + blCount[bits-1]) << 1;
nextCode[bits] = code;
}
// Step 3: Assign numerical values to all codes
var table = {}, tableLength = 0;
for (var n = 0; n < numLengths; ++n) {
var len = bitLengths[n];
if (len != 0) {
table[next_code[len]] = { length: len, symbol: n }; //, bitstring: binaryValueToString(next_code[len],len) };
if (len !== 0) {
table[nextCode[len]] = { length: len, symbol: n }; //, bitstring: binaryValueToString(nextCode[len],len) };
tableLength++;
next_code[len]++;
nextCode[len]++;
}
}
table.maxLength = tableLength;
@ -322,9 +322,9 @@ function getFixedLiteralTable() {
if (!fixedHCtoLiteral) {
var bitlengths = new Array(288);
for (var i = 0; i <= 143; ++i) bitlengths[i] = 8;
for (i = 144; i <= 255; ++i) bitlengths[i] = 9;
for (i = 256; i <= 279; ++i) bitlengths[i] = 7;
for (i = 280; i <= 287; ++i) bitlengths[i] = 8;
for (var i = 144; i <= 255; ++i) bitlengths[i] = 9;
for (var i = 256; i <= 279; ++i) bitlengths[i] = 7;
for (var i = 280; i <= 287; ++i) bitlengths[i] = 8;
// get huffman code table
fixedHCtoLiteral = getHuffmanCodes(bitlengths);
@ -335,7 +335,9 @@ function getFixedDistanceTable() {
// create once
if (!fixedHCtoDistance) {
var bitlengths = new Array(32);
for (var i = 0; i < 32; ++i) { bitlengths[i] = 5; }
for (var i = 0; i < 32; ++i) {
bitlengths[i] = 5;
}
// get huffman code table
fixedHCtoDistance = getHuffmanCodes(bitlengths);
@ -347,7 +349,7 @@ function getFixedDistanceTable() {
// then return that symbol
function decodeSymbol(bstream, hcTable) {
var code = 0, len = 0;
var match = false;
// var match = false;
// loop until we match
for (;;) {
@ -389,14 +391,14 @@ var CodeLengthCodeOrder = [16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2
*/
var LengthLookupTable = [
[0,3], [0,4], [0,5], [0,6],
[0,7], [0,8], [0,9], [0,10],
[1,11], [1,13], [1,15], [1,17],
[2,19], [2,23], [2,27], [2,31],
[3,35], [3,43], [3,51], [3,59],
[4,67], [4,83], [4,99], [4,115],
[5,131], [5,163], [5,195], [5,227],
[0,258]
[0, 3], [0, 4], [0, 5], [0, 6],
[0, 7], [0, 8], [0, 9], [0, 10],
[1, 11], [1, 13], [1, 15], [1, 17],
[2, 19], [2, 23], [2, 27], [2, 31],
[3, 35], [3, 43], [3, 51], [3, 59],
[4, 67], [4, 83], [4, 99], [4, 115],
[5, 131], [5, 163], [5, 195], [5, 227],
[0, 258]
];
/*
Extra Extra Extra
@ -414,20 +416,20 @@ var LengthLookupTable = [
9 3 25-32 19 8 769-1024 29 13 24577-32768
*/
var DistLookupTable = [
[0,1], [0,2], [0,3], [0,4],
[1,5], [1,7],
[2,9], [2,13],
[3,17], [3,25],
[4,33], [4,49],
[5,65], [5,97],
[6,129], [6,193],
[7,257], [7,385],
[8,513], [8,769],
[9,1025], [9,1537],
[10,2049], [10,3073],
[11,4097], [11,6145],
[12,8193], [12,12289],
[13,16385], [13,24577]
[0, 1], [0, 2], [0, 3], [0, 4],
[1, 5], [1, 7],
[2, 9], [2, 13],
[3, 17], [3, 25],
[4, 33], [4, 49],
[5, 65], [5, 97],
[6, 129], [6, 193],
[7, 257], [7, 385],
[8, 513], [8, 769],
[9, 1025], [9, 1537],
[10, 2049], [10, 3073],
[11, 4097], [11, 6145],
[12, 8193], [12, 12289],
[13, 16385], [13, 24577]
];
function inflateBlockData(bstream, hcLiteralTable, hcDistanceTable, buffer) {
@ -457,7 +459,7 @@ function inflateBlockData(bstream, hcLiteralTable, hcDistanceTable, buffer) {
}
else {
// end of block reached
if (symbol == 256) {
if (symbol === 256) {
break;
}
else {
@ -504,12 +506,13 @@ function inflate(compressedData, numDecompressedBytes) {
compressedData.byteOffset,
compressedData.byteLength);
var buffer = new bitjs.io.ByteBuffer(numDecompressedBytes);
var numBlocks = 0, blockSize = 0;
var numBlocks = 0;
var blockSize = 0;
// block format: http://tools.ietf.org/html/rfc1951#page-9
do {
var bFinal = bstream.readBits(1),
bType = bstream.readBits(2);
var bFinal = bstream.readBits(1);
var bType = bstream.readBits(2);
blockSize = 0;
++numBlocks;
// no compression
@ -524,17 +527,17 @@ function inflate(compressedData, numDecompressedBytes) {
blockSize = len;
}
// fixed Huffman codes
else if(bType == 1) {
else if(bType === 1) {
blockSize = inflateBlockData(bstream, getFixedLiteralTable(), getFixedDistanceTable(), buffer);
}
// dynamic Huffman codes
else if(bType == 2) {
else if(bType === 2) {
var numLiteralLengthCodes = bstream.readBits(5) + 257;
var numDistanceCodes = bstream.readBits(5) + 1,
numCodeLengthCodes = bstream.readBits(4) + 4;
// populate the array of code length codes (first de-compaction)
var codeLengthsCodeLengths = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
var codeLengthsCodeLengths = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
for (var i = 0; i < numCodeLengthCodes; ++i) {
codeLengthsCodeLengths[ CodeLengthCodeOrder[i] ] = bstream.readBits(3);
}
@ -566,19 +569,19 @@ function inflate(compressedData, numDecompressedBytes) {
literalCodeLengths.push(symbol);
prevCodeLength = symbol;
}
else if (symbol == 16) {
else if (symbol === 16) {
var repeat = bstream.readBits(2) + 3;
while (repeat--) {
literalCodeLengths.push(prevCodeLength);
}
}
else if (symbol == 17) {
else if (symbol === 17) {
var repeat = bstream.readBits(3) + 3;
while (repeat--) {
literalCodeLengths.push(0);
}
}
else if (symbol == 18) {
else if (symbol === 18) {
var repeat = bstream.readBits(7) + 11;
while (repeat--) {
literalCodeLengths.push(0);
@ -605,7 +608,7 @@ function inflate(compressedData, numDecompressedBytes) {
currentBytesUnarchived += blockSize;
postProgress();
} while (bFinal != 1);
} while (bFinal !== 1);
// we are done reading blocks if the bFinal bit was set for this block
// return the buffer data bytes

View File

@ -33,7 +33,7 @@
</div>
<button type="submit" name="submit" value="submit" class="btn btn-default">{{_('Save settings')}}</button>
<button type="submit" name="test" value="test" class="btn btn-default">{{_('Save settings and send Test E-Mail')}}</button>
<a href="{{ url_for('admin') }}" class="btn btn-default">{{_('Back')}}</a>
<a href="{{ url_for('admin') }}" id="back" class="btn btn-default">{{_('Back')}}</a>
</form>
</div>

View File

@ -6,7 +6,7 @@
<div class="row">
{% for entry in random %}
<div class="col-sm-3 col-lg-2 col-xs-6 book">
<div class="col-sm-3 col-lg-2 col-xs-6 book" id="books_rand">
<div class="cover">
<a href="{{ url_for('show_book', book_id=entry.id) }}" data-toggle="modal" data-target="#bookDetailsModal" data-remote="false">
{% if entry.has_cover %}
@ -42,7 +42,7 @@
<div class="row">
{% if entries[0] %}
{% for entry in entries %}
<div class="col-sm-3 col-lg-2 col-xs-6 book">
<div class="col-sm-3 col-lg-2 col-xs-6 book" id="books">
<div class="cover">
<a href="{{ url_for('show_book', book_id=entry.id) }}" data-toggle="modal" data-target="#bookDetailsModal" data-remote="false">
{% if entry.has_cover %}