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Update comic reader js

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This commit is contained in:
Ozzieisaacs 2019-06-17 19:48:17 +02:00
parent e67d707867
commit cd546eb6d4
9 changed files with 311 additions and 292 deletions
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47
cps/static/js/archive/archive.js
View File

@ -8,7 +8,7 @@
* Copyright(c) 2011 Google Inc. * Copyright(c) 2011 Google Inc.
*/ */
/* global bitjs */ /* global bitjs, Uint8Array */
var bitjs = bitjs || {}; var bitjs = bitjs || {};
bitjs.archive = bitjs.archive || {}; bitjs.archive = bitjs.archive || {};
@ -17,7 +17,7 @@ bitjs.archive = bitjs.archive || {};
// =========================================================================== // ===========================================================================
// Stolen from Closure because it's the best way to do Java-like inheritance. // Stolen from Closure because it's the best way to do Java-like inheritance.
bitjs.base = function(me, opt_methodName, var_args) { bitjs.base = function(me, optMethodName, varArgs) {
var caller = arguments.callee.caller; var caller = arguments.callee.caller;
if (caller.superClass_) { if (caller.superClass_) {
// This is a constructor. Call the superclass constructor. // This is a constructor. Call the superclass constructor.
@ -28,10 +28,10 @@ bitjs.archive = bitjs.archive || {};
var args = Array.prototype.slice.call(arguments, 2); var args = Array.prototype.slice.call(arguments, 2);
var foundCaller = false; var foundCaller = false;
for (var ctor = me.constructor; ctor; ctor = ctor.superClass_ && ctor.superClass_.constructor) { for (var ctor = me.constructor; ctor; ctor = ctor.superClass_ && ctor.superClass_.constructor) {
if (ctor.prototype[opt_methodName] === caller) { if (ctor.prototype[optMethodName] === caller) {
foundCaller = true; foundCaller = true;
} else if (foundCaller) { } else if (foundCaller) {
return ctor.prototype[opt_methodName].apply(me, args); return ctor.prototype[optMethodName].apply(me, args);
} }
} }
@ -39,8 +39,8 @@ bitjs.archive = bitjs.archive || {};
// then one of two things happened: // then one of two things happened:
// 1) The caller is an instance method. // 1) The caller is an instance method.
// 2) This method was not called by the right caller. // 2) This method was not called by the right caller.
if (me[opt_methodName] === caller) { if (me[optMethodName] === caller) {
return me.constructor.prototype[opt_methodName].apply(me, args); return me.constructor.prototype[optMethodName].apply(me, args);
} else { } else {
throw Error( throw Error(
"goog.base called from a method of one name " + "goog.base called from a method of one name " +
@ -49,10 +49,10 @@ bitjs.archive = bitjs.archive || {};
}; };
bitjs.inherits = function(childCtor, parentCtor) { bitjs.inherits = function(childCtor, parentCtor) {
/** @constructor */ /** @constructor */
function tempCtor() {}; function TempCtor() {}
tempCtor.prototype = parentCtor.prototype; TempCtor.prototype = parentCtor.prototype;
childCtor.superClass_ = parentCtor.prototype; childCtor.superClass_ = parentCtor.prototype;
childCtor.prototype = new tempCtor(); childCtor.prototype = new TempCtor();
childCtor.prototype.constructor = childCtor; childCtor.prototype.constructor = childCtor;
}; };
// =========================================================================== // ===========================================================================
@ -188,10 +188,10 @@ bitjs.archive = bitjs.archive || {};
* Base class for all Unarchivers. * Base class for all Unarchivers.
* *
* @param {ArrayBuffer} arrayBuffer The Array Buffer. * @param {ArrayBuffer} arrayBuffer The Array Buffer.
* @param {string} opt_pathToBitJS Optional string for where the BitJS files are located. * @param {string} optPathToBitJS Optional string for where the BitJS files are located.
* @constructor * @constructor
*/ */
bitjs.archive.Unarchiver = function(arrayBuffer, opt_pathToBitJS) { bitjs.archive.Unarchiver = function(arrayBuffer, optPathToBitJS) {
/** /**
* The ArrayBuffer object. * The ArrayBuffer object.
* @type {ArrayBuffer} * @type {ArrayBuffer}
@ -204,7 +204,7 @@ bitjs.archive = bitjs.archive || {};
* @type {string} * @type {string}
* @private * @private
*/ */
this.pathToBitJS_ = opt_pathToBitJS || "/"; this.pathToBitJS_ = optPathToBitJS || "/";
/** /**
* A map from event type to an array of listeners. * A map from event type to an array of listeners.
@ -319,8 +319,8 @@ bitjs.archive = bitjs.archive || {};
* @extends {bitjs.archive.Unarchiver} * @extends {bitjs.archive.Unarchiver}
* @constructor * @constructor
*/ */
bitjs.archive.Unzipper = function(arrayBuffer, opt_pathToBitJS) { bitjs.archive.Unzipper = function(arrayBuffer, optPathToBitJS) {
bitjs.base(this, arrayBuffer, opt_pathToBitJS); bitjs.base(this, arrayBuffer, optPathToBitJS);
}; };
bitjs.inherits(bitjs.archive.Unzipper, bitjs.archive.Unarchiver); bitjs.inherits(bitjs.archive.Unzipper, bitjs.archive.Unarchiver);
bitjs.archive.Unzipper.prototype.getScriptFileName = function() { bitjs.archive.Unzipper.prototype.getScriptFileName = function() {
@ -332,8 +332,8 @@ bitjs.archive = bitjs.archive || {};
* @extends {bitjs.archive.Unarchiver} * @extends {bitjs.archive.Unarchiver}
* @constructor * @constructor
*/ */
bitjs.archive.Unrarrer = function(arrayBuffer, opt_pathToBitJS) { bitjs.archive.Unrarrer = function(arrayBuffer, optPathToBitJS) {
bitjs.base(this, arrayBuffer, opt_pathToBitJS); bitjs.base(this, arrayBuffer, optPathToBitJS);
}; };
bitjs.inherits(bitjs.archive.Unrarrer, bitjs.archive.Unarchiver); bitjs.inherits(bitjs.archive.Unrarrer, bitjs.archive.Unarchiver);
bitjs.archive.Unrarrer.prototype.getScriptFileName = function() { bitjs.archive.Unrarrer.prototype.getScriptFileName = function() {
@ -345,8 +345,8 @@ bitjs.archive = bitjs.archive || {};
* @extends {bitjs.archive.Unarchiver} * @extends {bitjs.archive.Unarchiver}
* @constructor * @constructor
*/ */
bitjs.archive.Untarrer = function(arrayBuffer, opt_pathToBitJS) { bitjs.archive.Untarrer = function(arrayBuffer, optPathToBitJS) {
bitjs.base(this, arrayBuffer, opt_pathToBitJS); bitjs.base(this, arrayBuffer, optPathToBitJS);
}; };
bitjs.inherits(bitjs.archive.Untarrer, bitjs.archive.Unarchiver); bitjs.inherits(bitjs.archive.Untarrer, bitjs.archive.Unarchiver);
bitjs.archive.Untarrer.prototype.getScriptFileName = function() { bitjs.archive.Untarrer.prototype.getScriptFileName = function() {
@ -357,20 +357,19 @@ bitjs.archive = bitjs.archive || {};
* Factory method that creates an unarchiver based on the byte signature found * Factory method that creates an unarchiver based on the byte signature found
* in the arrayBuffer. * in the arrayBuffer.
* @param {ArrayBuffer} ab * @param {ArrayBuffer} ab
* @param {string=} opt_pathToBitJS Path to the unarchiver script files. * @param {string=} optPathToBitJS Path to the unarchiver script files.
* @return {bitjs.archive.Unarchiver} * @return {bitjs.archive.Unarchiver}
*/ */
bitjs.archive.GetUnarchiver = function(ab, opt_pathToBitJS) { bitjs.archive.GetUnarchiver = function(ab, optPathToBitJS) {
var unarchiver = null; var unarchiver = null;
var pathToBitJS = opt_pathToBitJS || ''; var pathToBitJS = optPathToBitJS || "";
var h = new Uint8Array(ab, 0, 10); var h = new Uint8Array(ab, 0, 10);
if (h[0] == 0x52 && h[1] == 0x61 && h[2] == 0x72 && h[3] == 0x21) { // Rar! if (h[0] === 0x52 && h[1] === 0x61 && h[2] === 0x72 && h[3] === 0x21) { // Rar!
unarchiver = new bitjs.archive.Unrarrer(ab, pathToBitJS); unarchiver = new bitjs.archive.Unrarrer(ab, pathToBitJS);
} else if (h[0] == 80 && h[1] == 75) { // PK (Zip) } else if (h[0] === 80 && h[1] === 75) { // PK (Zip)
unarchiver = new bitjs.archive.Unzipper(ab, pathToBitJS); unarchiver = new bitjs.archive.Unzipper(ab, pathToBitJS);
} else { // Try with tar } else { // Try with tar
console.log('geter');
unarchiver = new bitjs.archive.Untarrer(ab, pathToBitJS); unarchiver = new bitjs.archive.Untarrer(ab, pathToBitJS);
} }
return unarchiver; return unarchiver;

216
cps/static/js/archive/rarvm.js
View File

@ -9,9 +9,12 @@
/** /**
* CRC Implementation. * CRC Implementation.
*/ */
/* global Uint8Array, Uint32Array, bitjs, DataView */
/* exported MAXWINMASK, UnpackFilter */
var CRCTab = new Array(256).fill(0); var CRCTab = new Array(256).fill(0);
function InitCRC() { function initCRC() {
for (var i = 0; i < 256; ++i) { for (var i = 0; i < 256; ++i) {
var c = i; var c = i;
for (var j = 0; j < 8; ++j) { for (var j = 0; j < 8; ++j) {
@ -30,8 +33,8 @@ function InitCRC() {
* @return {number} * @return {number}
*/ */
function CRC(startCRC, arr) { function CRC(startCRC, arr) {
if (CRCTab[1] == 0) { if (CRCTab[1] === 0) {
InitCRC(); initCRC();
} }
/* /*
@ -84,7 +87,7 @@ var MAXWINMASK = (MAXWINSIZE - 1);
/** /**
*/ */
var VM_Commands = { var VmCommands = {
VM_MOV: 0, VM_MOV: 0,
VM_CMP: 1, VM_CMP: 1,
VM_ADD: 2, VM_ADD: 2,
@ -141,7 +144,7 @@ var VM_Commands = {
/** /**
*/ */
var VM_StandardFilters = { var VmStandardFilters = {
VMSF_NONE: 0, VMSF_NONE: 0,
VMSF_E8: 1, VMSF_E8: 1,
VMSF_E8E9: 2, VMSF_E8E9: 2,
@ -154,7 +157,7 @@ var VM_StandardFilters = {
/** /**
*/ */
var VM_Flags = { var VmFlags = {
VM_FC: 1, VM_FC: 1,
VM_FZ: 2, VM_FZ: 2,
VM_FS: 0x80000000, VM_FS: 0x80000000,
@ -162,7 +165,7 @@ var VM_Flags = {
/** /**
*/ */
var VM_OpType = { var VmOpType = {
VM_OPREG: 0, VM_OPREG: 0,
VM_OPINT: 1, VM_OPINT: 1,
VM_OPREGMEM: 2, VM_OPREGMEM: 2,
@ -186,15 +189,15 @@ function findKeyForValue(obj, val) {
} }
function getDebugString(obj, val) { function getDebugString(obj, val) {
var s = 'Unknown.'; var s = "Unknown.";
if (obj === VM_Commands) { if (obj === VmCommands) {
s = 'VM_Commands.'; s = "VmCommands.";
} else if (obj === VM_StandardFilters) { } else if (obj === VmStandardFilters) {
s = 'VM_StandardFilters.'; s = "VmStandardFilters.";
} else if (obj === VM_Flags) { } else if (obj === VmFlags) {
s = 'VM_OpType.'; s = "VmOpType.";
} else if (obj === VM_OpType) { } else if (obj === VmOpType) {
s = 'VM_OpType.'; s = "VmOpType.";
} }
return s + findKeyForValue(obj, val); return s + findKeyForValue(obj, val);
@ -204,8 +207,8 @@ function getDebugString(obj, val) {
* @struct * @struct
* @constructor * @constructor
*/ */
var VM_PreparedOperand = function() { var VmPreparedOperand = function() {
/** @type {VM_OpType} */ /** @type {VmOpType} */
this.Type; this.Type;
/** @type {number} */ /** @type {number} */
@ -220,58 +223,58 @@ var VM_PreparedOperand = function() {
}; };
/** @return {string} */ /** @return {string} */
VM_PreparedOperand.prototype.toString = function() { VmPreparedOperand.prototype.toString = function() {
if (this.Type === null) { if (this.Type === null) {
return 'Error: Type was null in VM_PreparedOperand'; return "Error: Type was null in VmPreparedOperand";
} }
return '{ ' + return "{ " +
'Type: ' + getDebugString(VM_OpType, this.Type) + "Type: " + getDebugString(VmOpType, this.Type) +
', Data: ' + this.Data + ", Data: " + this.Data +
', Base: ' + this.Base + ", Base: " + this.Base +
' }'; " }";
}; };
/** /**
* @struct * @struct
* @constructor * @constructor
*/ */
var VM_PreparedCommand = function() { var VmPreparedCommand = function() {
/** @type {VM_Commands} */ /** @type {VmCommands} */
this.OpCode; this.OpCode;
/** @type {boolean} */ /** @type {boolean} */
this.ByteMode = false; this.ByteMode = false;
/** @type {VM_PreparedOperand} */ /** @type {VmPreparedOperand} */
this.Op1 = new VM_PreparedOperand(); this.Op1 = new VmPreparedOperand();
/** @type {VM_PreparedOperand} */ /** @type {VmPreparedOperand} */
this.Op2 = new VM_PreparedOperand(); this.Op2 = new VmPreparedOperand();
}; };
/** @return {string} */ /** @return {string} */
VM_PreparedCommand.prototype.toString = function(indent) { VmPreparedCommand.prototype.toString = function(indent) {
if (this.OpCode === null) { if (this.OpCode === null) {
return 'Error: OpCode was null in VM_PreparedCommand'; return "Error: OpCode was null in VmPreparedCommand";
} }
indent = indent || ''; indent = indent || "";
return indent + '{\n' + return indent + "{\n" +
indent + ' OpCode: ' + getDebugString(VM_Commands, this.OpCode) + ',\n' + indent + " OpCode: " + getDebugString(VmCommands, this.OpCode) + ",\n" +
indent + ' ByteMode: ' + this.ByteMode + ',\n' + indent + " ByteMode: " + this.ByteMode + ",\n" +
indent + ' Op1: ' + this.Op1.toString() + ',\n' + indent + " Op1: " + this.Op1.toString() + ",\n" +
indent + ' Op2: ' + this.Op2.toString() + ',\n' + indent + " Op2: " + this.Op2.toString() + ",\n" +
indent + '}'; indent + "}";
}; };
/** /**
* @struct * @struct
* @constructor * @constructor
*/ */
var VM_PreparedProgram = function() { var VmPreparedProgram = function() {
/** @type {Array<VM_PreparedCommand>} */ /** @type {Array<VmPreparedCommand>} */
this.Cmd = []; this.Cmd = [];
/** @type {Array<VM_PreparedCommand>} */ /** @type {Array<VmPreparedCommand>} */
this.AltCmd = null; this.AltCmd = null;
/** @type {Uint8Array} */ /** @type {Uint8Array} */
@ -291,14 +294,14 @@ var VM_PreparedProgram = function() {
}; };
/** @return {string} */ /** @return {string} */
VM_PreparedProgram.prototype.toString = function() { VmPreparedProgram.prototype.toString = function() {
var s = '{\n Cmd: [\n'; var s = "{\n Cmd: [\n";
for (var i = 0; i < this.Cmd.length; ++i) { for (var i = 0; i < this.Cmd.length; ++i) {
s += this.Cmd[i].toString(' ') + ',\n'; s += this.Cmd[i].toString(" ") + ",\n";
} }
s += '],\n'; s += "],\n";
// TODO: Dump GlobalData, StaticData, InitR? // TODO: Dump GlobalData, StaticData, InitR?
s += ' }\n'; s += " }\n";
return s; return s;
}; };
@ -324,8 +327,8 @@ var UnpackFilter = function() {
/** @type {number} */ /** @type {number} */
this.ParentFilter = null; this.ParentFilter = null;
/** @type {VM_PreparedProgram} */ /** @type {VmPreparedProgram} */
this.Prg = new VM_PreparedProgram(); this.Prg = new VmPreparedProgram();
}; };
var VMCF_OP0 = 0; var VMCF_OP0 = 0;
@ -338,7 +341,7 @@ var VMCF_PROC = 16;
var VMCF_USEFLAGS = 32; var VMCF_USEFLAGS = 32;
var VMCF_CHFLAGS = 64; var VMCF_CHFLAGS = 64;
var VM_CmdFlags = [ var VmCmdFlags = [
/* VM_MOV */ /* VM_MOV */
VMCF_OP2 | VMCF_BYTEMODE, VMCF_OP2 | VMCF_BYTEMODE,
/* VM_CMP */ /* VM_CMP */
@ -425,7 +428,7 @@ var VM_CmdFlags = [
/** /**
* @param {number} length * @param {number} length
* @param {number} crc * @param {number} crc
* @param {VM_StandardFilters} type * @param {VmStandardFilters} type
* @struct * @struct
* @constructor * @constructor
*/ */
@ -436,7 +439,7 @@ var StandardFilterSignature = function(length, crc, type) {
/** @type {number} */ /** @type {number} */
this.CRC = crc; this.CRC = crc;
/** @type {VM_StandardFilters} */ /** @type {VmStandardFilters} */
this.Type = type; this.Type = type;
}; };
@ -444,13 +447,13 @@ var StandardFilterSignature = function(length, crc, type) {
* @type {Array<StandardFilterSignature>} * @type {Array<StandardFilterSignature>}
*/ */
var StdList = [ var StdList = [
new StandardFilterSignature(53, 0xad576887, VM_StandardFilters.VMSF_E8), new StandardFilterSignature(53, 0xad576887, VmStandardFilters.VMSF_E8),
new StandardFilterSignature(57, 0x3cd7e57e, VM_StandardFilters.VMSF_E8E9), new StandardFilterSignature(57, 0x3cd7e57e, VmStandardFilters.VMSF_E8E9),
new StandardFilterSignature(120, 0x3769893f, VM_StandardFilters.VMSF_ITANIUM), new StandardFilterSignature(120, 0x3769893f, VmStandardFilters.VMSF_ITANIUM),
new StandardFilterSignature(29, 0x0e06077d, VM_StandardFilters.VMSF_DELTA), new StandardFilterSignature(29, 0x0e06077d, VmStandardFilters.VMSF_DELTA),
new StandardFilterSignature(149, 0x1c2c5dc8, VM_StandardFilters.VMSF_RGB), new StandardFilterSignature(149, 0x1c2c5dc8, VmStandardFilters.VMSF_RGB),
new StandardFilterSignature(216, 0xbc85e701, VM_StandardFilters.VMSF_AUDIO), new StandardFilterSignature(216, 0xbc85e701, VmStandardFilters.VMSF_AUDIO),
new StandardFilterSignature(40, 0x46b9c560, VM_StandardFilters.VMSF_UPCASE), new StandardFilterSignature(40, 0x46b9c560, VmStandardFilters.VMSF_UPCASE),
]; ];
/** /**
@ -478,33 +481,34 @@ RarVM.prototype.init = function() {
/** /**
* @param {Uint8Array} code * @param {Uint8Array} code
* @return {VM_StandardFilters} * @return {VmStandardFilters}
*/ */
RarVM.prototype.isStandardFilter = function(code) { RarVM.prototype.isStandardFilter = function(code) {
var codeCRC = (CRC(0xffffffff, code, code.length) ^ 0xffffffff) >>> 0; var codeCRC = (CRC(0xffffffff, code, code.length) ^ 0xffffffff) >>> 0;
for (var i = 0; i < StdList.length; ++i) { for (var i = 0; i < StdList.length; ++i) {
if (StdList[i].CRC == codeCRC && StdList[i].Length == code.length) if (StdList[i].CRC === codeCRC && StdList[i].Length === code.length) {
return StdList[i].Type; return StdList[i].Type;
} }
}
return VM_StandardFilters.VMSF_NONE; return VmStandardFilters.VMSF_NONE;
}; };
/** /**
* @param {VM_PreparedOperand} op * @param {VmPreparedOperand} op
* @param {boolean} byteMode * @param {boolean} byteMode
* @param {bitjs.io.BitStream} bstream A rtl bit stream. * @param {bitjs.io.BitStream} bstream A rtl bit stream.
*/ */
RarVM.prototype.decodeArg = function(op, byteMode, bstream) { RarVM.prototype.decodeArg = function(op, byteMode, bstream) {
var data = bstream.peekBits(16); var data = bstream.peekBits(16);
if (data & 0x8000) { if (data & 0x8000) {
op.Type = VM_OpType.VM_OPREG; // Operand is register (R[0]..R[7]) op.Type = VmOpType.VM_OPREG; // Operand is register (R[0]..R[7])
bstream.readBits(1); // 1 flag bit and... bstream.readBits(1); // 1 flag bit and...
op.Data = bstream.readBits(3); // ... 3 register number bits op.Data = bstream.readBits(3); // ... 3 register number bits
op.Addr = [this.R_[op.Data]] // TODO &R[Op.Data] // Register address op.Addr = [this.R_[op.Data]]; // TODO &R[Op.Data] // Register address
} else { } else {
if ((data & 0xc000) == 0) { if ((data & 0xc000) === 0) {
op.Type = VM_OpType.VM_OPINT; // Operand is integer op.Type = VmOpType.VM_OPINT; // Operand is integer
bstream.readBits(2); // 2 flag bits bstream.readBits(2); // 2 flag bits
if (byteMode) { if (byteMode) {
op.Data = bstream.readBits(8); // Byte integer. op.Data = bstream.readBits(8); // Byte integer.
@ -513,8 +517,8 @@ RarVM.prototype.decodeArg = function(op, byteMode, bstream) {
} }
} else { } else {
// Operand is data addressed by register data, base address or both. // Operand is data addressed by register data, base address or both.
op.Type = VM_OpType.VM_OPREGMEM; op.Type = VmOpType.VM_OPREGMEM;
if ((data & 0x2000) == 0) { if ((data & 0x2000) === 0) {
bstream.readBits(3); // 3 flag bits bstream.readBits(3); // 3 flag bits
// Base address is zero, just use the address from register. // Base address is zero, just use the address from register.
op.Data = bstream.readBits(3); // (Data>>10)&7 op.Data = bstream.readBits(3); // (Data>>10)&7
@ -522,7 +526,7 @@ RarVM.prototype.decodeArg = function(op, byteMode, bstream) {
op.Base = 0; op.Base = 0;
} else { } else {
bstream.readBits(4); // 4 flag bits bstream.readBits(4); // 4 flag bits
if ((data & 0x1000) == 0) { if ((data & 0x1000) === 0) {
// Use both register and base address. // Use both register and base address.
op.Data = bstream.readBits(3); op.Data = bstream.readBits(3);
op.Addr = [this.R_[op.Data]]; // TODO &R[op.Data] op.Addr = [this.R_[op.Data]]; // TODO &R[op.Data]
@ -537,7 +541,7 @@ RarVM.prototype.decodeArg = function(op, byteMode, bstream) {
}; };
/** /**
* @param {VM_PreparedProgram} prg * @param {VmPreparedProgram} prg
*/ */
RarVM.prototype.execute = function(prg) { RarVM.prototype.execute = function(prg) {
this.R_.set(prg.InitR); this.R_.set(prg.InitR);
@ -558,7 +562,7 @@ RarVM.prototype.execute = function(prg) {
var preparedCodes = prg.AltCmd ? prg.AltCmd : prg.Cmd; var preparedCodes = prg.AltCmd ? prg.AltCmd : prg.Cmd;
if (prg.Cmd.length > 0 && !this.executeCode(preparedCodes)) { if (prg.Cmd.length > 0 && !this.executeCode(preparedCodes)) {
// Invalid VM program. Let's replace it with 'return' command. // Invalid VM program. Let's replace it with 'return' command.
preparedCode.OpCode = VM_Commands.VM_RET; preparedCodes.OpCode = VmCommands.VM_RET;
} }
var dataView = new DataView(this.mem_.buffer, VM_GLOBALMEMADDR); var dataView = new DataView(this.mem_.buffer, VM_GLOBALMEMADDR);
@ -573,7 +577,7 @@ RarVM.prototype.execute = function(prg) {
var dataSize = Math.min(dataView.getUint32(0x30), var dataSize = Math.min(dataView.getUint32(0x30),
(VM_GLOBALMEMSIZE - VM_FIXEDGLOBALSIZE)); (VM_GLOBALMEMSIZE - VM_FIXEDGLOBALSIZE));
if (dataSize != 0) { if (dataSize !== 0) {
var len = dataSize + VM_FIXEDGLOBALSIZE; var len = dataSize + VM_FIXEDGLOBALSIZE;
prg.GlobalData = new Uint8Array(len); prg.GlobalData = new Uint8Array(len);
prg.GlobalData.set(mem.subarray(VM_GLOBALMEMADDR, VM_GLOBALMEMADDR + len)); prg.GlobalData.set(mem.subarray(VM_GLOBALMEMADDR, VM_GLOBALMEMADDR + len));
@ -581,7 +585,7 @@ RarVM.prototype.execute = function(prg) {
}; };
/** /**
* @param {Array<VM_PreparedCommand>} preparedCodes * @param {Array<VmPreparedCommand>} preparedCodes
* @return {boolean} * @return {boolean}
*/ */
RarVM.prototype.executeCode = function(preparedCodes) { RarVM.prototype.executeCode = function(preparedCodes) {
@ -591,7 +595,7 @@ RarVM.prototype.executeCode = function(preparedCodes) {
// when a VM_RET is hit? // when a VM_RET is hit?
while (1) { while (1) {
switch (cmd.OpCode) { switch (cmd.OpCode) {
case VM_Commands.VM_RET: case VmCommands.VM_RET:
if (this.R_[7] >= VM_MEMSIZE) { if (this.R_[7] >= VM_MEMSIZE) {
return true; return true;
} }
@ -599,12 +603,12 @@ RarVM.prototype.executeCode = function(preparedCodes) {
this.R_[7] += 4; this.R_[7] += 4;
continue; continue;
case VM_Commands.VM_STANDARD: case VmCommands.VM_STANDARD:
this.executeStandardFilter(cmd.Op1.Data); this.executeStandardFilter(cmd.Op1.Data);
break; break;
default: default:
console.error('RarVM OpCode not supported: ' + getDebugString(VM_Commands, cmd.OpCode)); console.error("RarVM OpCode not supported: " + getDebugString(VmCommands, cmd.OpCode));
break; break;
} // switch (cmd.OpCode) } // switch (cmd.OpCode)
codeIndex++; codeIndex++;
@ -617,7 +621,7 @@ RarVM.prototype.executeCode = function(preparedCodes) {
*/ */
RarVM.prototype.executeStandardFilter = function(filterType) { RarVM.prototype.executeStandardFilter = function(filterType) {
switch (filterType) { switch (filterType) {
case VM_StandardFilters.VMSF_DELTA: case VmStandardFilters.VMSF_DELTA:
var dataSize = this.R_[4]; var dataSize = this.R_[4];
var channels = this.R_[0]; var channels = this.R_[0];
var srcPos = 0; var srcPos = 0;
@ -644,17 +648,19 @@ RarVM.prototype.executeStandardFilter = function(filterType) {
break; break;
default: default:
console.error('RarVM Standard Filter not supported: ' + getDebugString(VM_StandardFilters, filterType)); console.error("RarVM Standard Filter not supported: " + getDebugString(VmStandardFilters, filterType));
break; break;
} }
}; };
/** /**
* @param {Uint8Array} code * @param {Uint8Array} code
* @param {VM_PreparedProgram} prg * @param {VmPreparedProgram} prg
*/ */
RarVM.prototype.prepare = function(code, prg) { RarVM.prototype.prepare = function(code, prg) {
var codeSize = code.length; var codeSize = code.length;
var i;
var curCmd;
//InitBitInput(); //InitBitInput();
//memcpy(InBuf,Code,Min(CodeSize,BitInput::MAX_SIZE)); //memcpy(InBuf,Code,Min(CodeSize,BitInput::MAX_SIZE));
@ -662,7 +668,7 @@ RarVM.prototype.prepare = function(code, prg) {
// Calculate the single byte XOR checksum to check validity of VM code. // Calculate the single byte XOR checksum to check validity of VM code.
var xorSum = 0; var xorSum = 0;
for (var i = 1; i < codeSize; ++i) { for (i = 1; i < codeSize; ++i) {
xorSum ^= code[i]; xorSum ^= code[i];
} }
@ -671,20 +677,20 @@ RarVM.prototype.prepare = function(code, prg) {
prg.Cmd = []; // TODO: Is this right? I don't see it being done in rarvm.cpp. prg.Cmd = []; // TODO: Is this right? I don't see it being done in rarvm.cpp.
// VM code is valid if equal. // VM code is valid if equal.
if (xorSum == code[0]) { if (xorSum === code[0]) {
var filterType = this.isStandardFilter(code); var filterType = this.isStandardFilter(code);
if (filterType != VM_StandardFilters.VMSF_NONE) { if (filterType !== VmStandardFilters.VMSF_NONE) {
// VM code is found among standard filters. // VM code is found among standard filters.
var curCmd = new VM_PreparedCommand(); curCmd = new VmPreparedCommand();
prg.Cmd.push(curCmd); prg.Cmd.push(curCmd);
curCmd.OpCode = VM_Commands.VM_STANDARD; curCmd.OpCode = VmCommands.VM_STANDARD;
curCmd.Op1.Data = filterType; curCmd.Op1.Data = filterType;
// TODO: Addr=&CurCmd->Op1.Data // TODO: Addr=&CurCmd->Op1.Data
curCmd.Op1.Addr = [curCmd.Op1.Data]; curCmd.Op1.Addr = [curCmd.Op1.Data];
curCmd.Op2.Addr = [null]; // &CurCmd->Op2.Data; curCmd.Op2.Addr = [null]; // &CurCmd->Op2.Data;
curCmd.Op1.Type = VM_OpType.VM_OPNONE; curCmd.Op1.Type = VmOpType.VM_OPNONE;
curCmd.Op2.Type = VM_OpType.VM_OPNONE; curCmd.Op2.Type = VmOpType.VM_OPNONE;
codeSize = 0; codeSize = 0;
} }
@ -696,7 +702,7 @@ RarVM.prototype.prepare = function(code, prg) {
if (dataFlag & 0x8000) { if (dataFlag & 0x8000) {
var dataSize = RarVM.readData(bstream) + 1; var dataSize = RarVM.readData(bstream) + 1;
// TODO: This accesses the byte pointer of the bstream directly. Is that ok? // TODO: This accesses the byte pointer of the bstream directly. Is that ok?
for (var i = 0; i < bstream.bytePtr < codeSize && i < dataSize; ++i) { for (i = 0; i < bstream.bytePtr < codeSize && i < dataSize; ++i) {
// Append a byte to the program's static data. // Append a byte to the program's static data.
var newStaticData = new Uint8Array(prg.StaticData.length + 1); var newStaticData = new Uint8Array(prg.StaticData.length + 1);
newStaticData.set(prg.StaticData); newStaticData.set(prg.StaticData);
@ -706,7 +712,7 @@ RarVM.prototype.prepare = function(code, prg) {
} }
while (bstream.bytePtr < codeSize) { while (bstream.bytePtr < codeSize) {
var curCmd = new VM_PreparedCommand(); curCmd = new VmPreparedCommand();
prg.Cmd.push(curCmd); // Prg->Cmd.Add(1) prg.Cmd.push(curCmd); // Prg->Cmd.Add(1)
var flag = bstream.peekBits(1); var flag = bstream.peekBits(1);
if (!flag) { // (Data&0x8000)==0 if (!flag) { // (Data&0x8000)==0
@ -715,22 +721,22 @@ RarVM.prototype.prepare = function(code, prg) {
curCmd.OpCode = (bstream.readBits(6) - 24); curCmd.OpCode = (bstream.readBits(6) - 24);
} }
if (VM_CmdFlags[curCmd.OpCode] & VMCF_BYTEMODE) { if (VmCmdFlags[curCmd.OpCode] & VMCF_BYTEMODE) {
curCmd.ByteMode = (bstream.readBits(1) != 0); curCmd.ByteMode = (bstream.readBits(1) !== 0);
} else { } else {
curCmd.ByteMode = 0; curCmd.ByteMode = 0;
} }
curCmd.Op1.Type = VM_OpType.VM_OPNONE; curCmd.Op1.Type = VmOpType.VM_OPNONE;
curCmd.Op2.Type = VM_OpType.VM_OPNONE; curCmd.Op2.Type = VmOpType.VM_OPNONE;
var opNum = (VM_CmdFlags[curCmd.OpCode] & VMCF_OPMASK); var opNum = (VmCmdFlags[curCmd.OpCode] & VMCF_OPMASK);
curCmd.Op1.Addr = null; curCmd.Op1.Addr = null;
curCmd.Op2.Addr = null; curCmd.Op2.Addr = null;
if (opNum > 0) { if (opNum > 0) {
this.decodeArg(curCmd.Op1, curCmd.ByteMode, bstream); // reading the first operand this.decodeArg(curCmd.Op1, curCmd.ByteMode, bstream); // reading the first operand
if (opNum == 2) { if (opNum === 2) {
this.decodeArg(curCmd.Op2, curCmd.ByteMode, bstream); // reading the second operand this.decodeArg(curCmd.Op2, curCmd.ByteMode, bstream); // reading the second operand
} else { } else {
if (curCmd.Op1.Type == VM_OpType.VM_OPINT && (VM_CmdFlags[curCmd.OpCode] & (VMCF_JUMP | VMCF_PROC))) { if (curCmd.Op1.Type === VmOpType.VM_OPINT && (VmCmdFlags[curCmd.OpCode] & (VMCF_JUMP | VMCF_PROC))) {
// Calculating jump distance. // Calculating jump distance.
var distance = curCmd.Op1.Data; var distance = curCmd.Op1.Data;
if (distance >= 256) { if (distance >= 256) {
@ -756,26 +762,26 @@ RarVM.prototype.prepare = function(code, prg) {
} // while ((uint)InAddr<CodeSize) } // while ((uint)InAddr<CodeSize)
} // if (XorSum==Code[0]) } // if (XorSum==Code[0])
var curCmd = new VM_PreparedCommand(); curCmd = new VmPreparedCommand();
prg.Cmd.push(curCmd); prg.Cmd.push(curCmd);
curCmd.OpCode = VM_Commands.VM_RET; curCmd.OpCode = VmCommands.VM_RET;
// TODO: Addr=&CurCmd->Op1.Data // TODO: Addr=&CurCmd->Op1.Data
curCmd.Op1.Addr = [curCmd.Op1.Data]; curCmd.Op1.Addr = [curCmd.Op1.Data];
curCmd.Op2.Addr = [curCmd.Op2.Data]; curCmd.Op2.Addr = [curCmd.Op2.Data];
curCmd.Op1.Type = VM_OpType.VM_OPNONE; curCmd.Op1.Type = VmOpType.VM_OPNONE;
curCmd.Op2.Type = VM_OpType.VM_OPNONE; curCmd.Op2.Type = VmOpType.VM_OPNONE;
// If operand 'Addr' field has not been set by DecodeArg calls above, // If operand 'Addr' field has not been set by DecodeArg calls above,
// let's set it to point to operand 'Data' field. It is necessary for // let's set it to point to operand 'Data' field. It is necessary for
// VM_OPINT type operands (usual integers) or maybe if something was // VM_OPINT type operands (usual integers) or maybe if something was
// not set properly for other operands. 'Addr' field is required // not set properly for other operands. 'Addr' field is required
// for quicker addressing of operand data. // for quicker addressing of operand data.
for (var i = 0; i < prg.Cmd.length; ++i) { for (i = 0; i < prg.Cmd.length; ++i) {
var cmd = prg.Cmd[i]; var cmd = prg.Cmd[i];
if (cmd.Op1.Addr == null) { if (cmd.Op1.Addr === null) {
cmd.Op1.Addr = [cmd.Op1.Data]; cmd.Op1.Addr = [cmd.Op1.Data];
} }
if (cmd.Op2.Addr == null) { if (cmd.Op2.Addr === null) {
cmd.Op2.Addr = [cmd.Op2.Data]; cmd.Op2.Addr = [cmd.Op2.Data];
} }
} }
@ -833,7 +839,7 @@ RarVM.readData = function(bstream) {
case 1: // 0x4000 case 1: // 0x4000
// 0x3c00 => 0011 1100 0000 0000 // 0x3c00 => 0011 1100 0000 0000
if (bstream.peekBits(4) == 0) { // (Data&0x3c00)==0 if (bstream.peekBits(4) === 0) { // (Data&0x3c00)==0
// Skip the 4 zero bits. // Skip the 4 zero bits.
bstream.readBits(4); bstream.readBits(4);
// Read in the next 8 and pad with 1s to 32 bits. // Read in the next 8 and pad with 1s to 32 bits.

123
cps/static/js/archive/unrar.js
View File

@ -10,13 +10,14 @@
* *
* http://kthoom.googlecode.com/hg/docs/unrar.html * http://kthoom.googlecode.com/hg/docs/unrar.html
*/ */
/* global bitjs, importScripts */ /* global bitjs, importScripts, RarVM, Uint8Array, UnpackFilter */
/* global VM_FIXEDGLOBALSIZE, VM_GLOBALMEMSIZE, MAXWINMASK, VM_GLOBALMEMADDR, MAXWINSIZE */
// This file expects to be invoked as a Worker (see onmessage below). // This file expects to be invoked as a Worker (see onmessage below).
importScripts('../io/bitstream.js'); importScripts("../io/bitstream.js");
importScripts('../io/bytebuffer.js'); importScripts("../io/bytebuffer.js");
importScripts('archive.js'); importScripts("archive.js");
importScripts('rarvm.js'); importScripts("rarvm.js");
// Progress variables. // Progress variables.
var currentFilename = ""; var currentFilename = "";
@ -296,6 +297,12 @@ var rBuffer;
*/ */
var wBuffer; var wBuffer;
var lowDistRepCount = 0;
var prevLowDist = 0;
var rOldDist = [0, 0, 0, 0];
var lastDist;
var lastLength;
/** /**
* In unpack.cpp, UnpPtr keeps track of what bytes have been unpacked * In unpack.cpp, UnpPtr keeps track of what bytes have been unpacked
@ -449,7 +456,7 @@ function rarMakeDecodeTables(BitLength, offset, dec, size) {
TmpPos[I] = DecodePos[I]; TmpPos[I] = DecodePos[I];
} }
for (I = 0; I < size; ++I) { for (I = 0; I < size; ++I) {
if (BitLength[I + offset] != 0) { if (BitLength[I + offset] !== 0) {
DecodeNum[TmpPos[BitLength[offset + I] & 0xF]++] = I; DecodeNum[TmpPos[BitLength[offset + I] & 0xF]++] = I;
} }
} }
@ -524,7 +531,7 @@ function unpack20(bstream) { //, Solid) {
if (Distance >= 0x101) { if (Distance >= 0x101) {
Length++; Length++;
if (Distance >= 0x2000) { if (Distance >= 0x2000) {
Length++ Length++;
if (Distance >= 0x40000) { if (Distance >= 0x40000) {
Length++; Length++;
} }
@ -611,13 +618,6 @@ function rarReadTables20(bstream) {
} }
} }
var lowDistRepCount = 0;
var prevLowDist = 0;
var rOldDist = [0, 0, 0, 0];
var lastDist;
var lastLength;
// ============================================================================================== // // ============================================================================================== //
// Unpack code specific to RarVM // Unpack code specific to RarVM
@ -644,7 +644,7 @@ var OldFilterLengths = [];
var LastFilter = 0; var LastFilter = 0;
function InitFilters() { function initFilters() {
OldFilterLengths = []; OldFilterLengths = [];
LastFilter = 0; LastFilter = 0;
Filters = []; Filters = [];
@ -658,13 +658,14 @@ function InitFilters() {
*/ */
function rarAddVMCode(firstByte, vmCode) { function rarAddVMCode(firstByte, vmCode) {
VM.init(); VM.init();
var i;
var bstream = new bitjs.io.BitStream(vmCode.buffer, true /* rtl */ ); var bstream = new bitjs.io.BitStream(vmCode.buffer, true /* rtl */ );
var filtPos; var filtPos;
if (firstByte & 0x80) { if (firstByte & 0x80) {
filtPos = RarVM.readData(bstream); filtPos = RarVM.readData(bstream);
if (filtPos == 0) { if (filtPos === 0) {
InitFilters(); initFilters();
} else { } else {
filtPos--; filtPos--;
} }
@ -677,7 +678,7 @@ function rarAddVMCode(firstByte, vmCode) {
} }
LastFilter = filtPos; LastFilter = filtPos;
var newFilter = (filtPos == Filters.length); var newFilter = (filtPos === Filters.length);
// new filter for PrgStack // new filter for PrgStack
var stackFilter = new UnpackFilter(); var stackFilter = new UnpackFilter();
@ -701,10 +702,10 @@ function rarAddVMCode(firstByte, vmCode) {
} }
var emptyCount = 0; var emptyCount = 0;
for (var i = 0; i < PrgStack.length; ++i) { for (i = 0; i < PrgStack.length; ++i) {
PrgStack[i - emptyCount] = PrgStack[i]; PrgStack[i - emptyCount] = PrgStack[i];
if (PrgStack[i] == null) { if (PrgStack[i] === null) {
emptyCount++; emptyCount++;
} }
if (emptyCount > 0) { if (emptyCount > 0) {
@ -712,7 +713,7 @@ function rarAddVMCode(firstByte, vmCode) {
} }
} }
if (emptyCount == 0) { if (emptyCount === 0) {
PrgStack.push(null); //PrgStack.Add(1); PrgStack.push(null); //PrgStack.Add(1);
emptyCount = 1; emptyCount = 1;
} }
@ -734,12 +735,12 @@ function rarAddVMCode(firstByte, vmCode) {
OldFilterLengths[filtPos] : OldFilterLengths[filtPos] :
0; 0;
} }
stackFilter.NextWindow = (wBuffer.ptr != rBuffer.ptr) && stackFilter.NextWindow = (wBuffer.ptr !== rBuffer.ptr) &&
(((wBuffer.ptr - rBuffer.ptr) & MAXWINMASK) <= blockStart); (((wBuffer.ptr - rBuffer.ptr) & MAXWINMASK) <= blockStart);
OldFilterLengths[filtPos] = stackFilter.BlockLength; OldFilterLengths[filtPos] = stackFilter.BlockLength;
for (var i = 0; i < 7; ++i) { for (i = 0; i < 7; ++i) {
stackFilter.Prg.InitR[i] = 0; stackFilter.Prg.InitR[i] = 0;
} }
stackFilter.Prg.InitR[3] = VM_GLOBALMEMADDR; stackFilter.Prg.InitR[3] = VM_GLOBALMEMADDR;
@ -749,7 +750,7 @@ function rarAddVMCode(firstByte, vmCode) {
// set registers to optional parameters if any // set registers to optional parameters if any
if (firstByte & 0x10) { if (firstByte & 0x10) {
var initMask = bstream.readBits(7); var initMask = bstream.readBits(7);
for (var i = 0; i < 7; ++i) { for (i = 0; i < 7; ++i) {
if (initMask & (1 << i)) { if (initMask & (1 << i)) {
stackFilter.Prg.InitR[i] = RarVM.readData(bstream); stackFilter.Prg.InitR[i] = RarVM.readData(bstream);
} }
@ -758,11 +759,11 @@ function rarAddVMCode(firstByte, vmCode) {
if (newFilter) { if (newFilter) {
var vmCodeSize = RarVM.readData(bstream); var vmCodeSize = RarVM.readData(bstream);
if (vmCodeSize >= 0x10000 || vmCodeSize == 0) { if (vmCodeSize >= 0x10000 || vmCodeSize === 0) {
return false; return false;
} }
var vmCode = new Uint8Array(vmCodeSize); vmCode = new Uint8Array(vmCodeSize);
for (var i = 0; i < vmCodeSize; ++i) { for (i = 0; i < vmCodeSize; ++i) {
//if (Inp.Overflow(3)) //if (Inp.Overflow(3))
// return(false); // return(false);
vmCode[i] = bstream.readBits(8); vmCode[i] = bstream.readBits(8);
@ -775,7 +776,7 @@ function rarAddVMCode(firstByte, vmCode) {
var staticDataSize = filter.Prg.StaticData.length; var staticDataSize = filter.Prg.StaticData.length;
if (staticDataSize > 0 && staticDataSize < VM_GLOBALMEMSIZE) { if (staticDataSize > 0 && staticDataSize < VM_GLOBALMEMSIZE) {
// read statically defined data contained in DB commands // read statically defined data contained in DB commands
for (var i = 0; i < staticDataSize; ++i) { for (i = 0; i < staticDataSize; ++i) {
stackFilter.Prg.StaticData[i] = filter.Prg.StaticData[i]; stackFilter.Prg.StaticData[i] = filter.Prg.StaticData[i];
} }
} }
@ -785,14 +786,14 @@ function rarAddVMCode(firstByte, vmCode) {
} }
var globalData = stackFilter.Prg.GlobalData; var globalData = stackFilter.Prg.GlobalData;
for (var i = 0; i < 7; ++i) { for (i = 0; i < 7; ++i) {
VM.setLowEndianValue(globalData, stackFilter.Prg.InitR[i], i * 4); VM.setLowEndianValue(globalData, stackFilter.Prg.InitR[i], i * 4);
} }
VM.setLowEndianValue(globalData, stackFilter.BlockLength, 0x1c); VM.setLowEndianValue(globalData, stackFilter.BlockLength, 0x1c);
VM.setLowEndianValue(globalData, 0, 0x20); VM.setLowEndianValue(globalData, 0, 0x20);
VM.setLowEndianValue(globalData, stackFilter.ExecCount, 0x2c); VM.setLowEndianValue(globalData, stackFilter.ExecCount, 0x2c);
for (var i = 0; i < 16; ++i) { for (i = 0; i < 16; ++i) {
globalData[0x30 + i] = 0; globalData[0x30 + i] = 0;
} }
@ -816,7 +817,7 @@ function rarAddVMCode(firstByte, vmCode) {
globalData = newGlobalData; globalData = newGlobalData;
} }
//byte *GlobalData=&StackFilter->Prg.GlobalData[VM_FIXEDGLOBALSIZE]; //byte *GlobalData=&StackFilter->Prg.GlobalData[VM_FIXEDGLOBALSIZE];
for (var i = 0; i < dataSize; ++i) { for (i = 0; i < dataSize; ++i) {
//if (Inp.Overflow(3)) //if (Inp.Overflow(3))
// return(false); // return(false);
globalData[VM_FIXEDGLOBALSIZE + i] = bstream.readBits(8); globalData[VM_FIXEDGLOBALSIZE + i] = bstream.readBits(8);
@ -833,9 +834,9 @@ function rarAddVMCode(firstByte, vmCode) {
function rarReadVMCode(bstream) { function rarReadVMCode(bstream) {
var firstByte = bstream.readBits(8); var firstByte = bstream.readBits(8);
var length = (firstByte & 7) + 1; var length = (firstByte & 7) + 1;
if (length == 7) { if (length === 7) {
length = bstream.readBits(8) + 7; length = bstream.readBits(8) + 7;
} else if (length == 8) { } else if (length === 8) {
length = bstream.readBits(16); length = bstream.readBits(16);
} }
@ -845,7 +846,7 @@ function rarReadVMCode(bstream) {
// Do something here with checking readbuf. // Do something here with checking readbuf.
vmCode[i] = bstream.readBits(8); vmCode[i] = bstream.readBits(8);
} }
return RarAddVMCode(firstByte, vmCode); return rarAddVMCode(firstByte, vmCode);
} }
/** /**
@ -946,7 +947,7 @@ function unpack29(bstream) {
continue; continue;
} }
if (num === 258) { if (num === 258) {
if (lastLength != 0) { if (lastLength !== 0) {
rarCopyString(lastLength, lastDist); rarCopyString(lastLength, lastDist);
} }
continue; continue;
@ -955,8 +956,8 @@ function unpack29(bstream) {
var DistNum = num - 259; var DistNum = num - 259;
Distance = rOldDist[DistNum]; Distance = rOldDist[DistNum];
for (var I = DistNum; I > 0; I--) { for (var I2 = DistNum; I2 > 0; I2--) {
rOldDist[I] = rOldDist[I - 1]; rOldDist[I2] = rOldDist[I2 - 1];
} }
rOldDist[0] = Distance; rOldDist[0] = Distance;
@ -990,10 +991,11 @@ function unpack29(bstream) {
*/ */
function rarWriteBuf() { function rarWriteBuf() {
var writeSize = (rBuffer.ptr & MAXWINMASK); var writeSize = (rBuffer.ptr & MAXWINMASK);
var j;
var flt;
for (var i = 0; i < PrgStack.length; ++i) { for (var i = 0; i < PrgStack.length; ++i) {
var flt = PrgStack[i]; flt = PrgStack[i];
if (flt == null) { if (flt === null) {
continue; continue;
} }
@ -1004,17 +1006,18 @@ function rarWriteBuf() {
var blockStart = flt.BlockStart; var blockStart = flt.BlockStart;
var blockLength = flt.BlockLength; var blockLength = flt.BlockLength;
var parentPrg;
// WrittenBorder = wBuffer.ptr // WrittenBorder = wBuffer.ptr
if (((blockStart - wBuffer.ptr) & MAXWINMASK) < writeSize) { if (((blockStart - wBuffer.ptr) & MAXWINMASK) < writeSize) {
if (wBuffer.ptr != blockStart) { if (wBuffer.ptr !== blockStart) {
// Copy blockStart bytes from rBuffer into wBuffer. // Copy blockStart bytes from rBuffer into wBuffer.
rarWriteArea(wBuffer.ptr, blockStart); rarWriteArea(wBuffer.ptr, blockStart);
writeSize = (rBuffer.ptr - wBuffer.ptr) & MAXWINMASK; writeSize = (rBuffer.ptr - wBuffer.ptr) & MAXWINMASK;
} }
if (blockLength <= writeSize) { if (blockLength <= writeSize) {
var blockEnd = (blockStart + blockLength) & MAXWINMASK; var blockEnd = (blockStart + blockLength) & MAXWINMASK;
if (blockStart < blockEnd || blockEnd == 0) { if (blockStart < blockEnd || blockEnd === 0) {
VM.setMemory(0, rBuffer.data.subarray(blockStart, blockStart + blockLength), blockLength); VM.setMemory(0, rBuffer.data.subarray(blockStart, blockStart + blockLength), blockLength);
} else { } else {
var firstPartLength = MAXWINSIZE - blockStart; var firstPartLength = MAXWINSIZE - blockStart;
@ -1022,7 +1025,7 @@ function rarWriteBuf() {
VM.setMemory(firstPartLength, rBuffer.data, blockEnd); VM.setMemory(firstPartLength, rBuffer.data, blockEnd);
} }
var parentPrg = Filters[flt.ParentFilter].Prg; parentPrg = Filters[flt.ParentFilter].Prg;
var prg = flt.Prg; var prg = flt.Prg;
if (parentPrg.GlobalData.length > VM_FIXEDGLOBALSIZE) { if (parentPrg.GlobalData.length > VM_FIXEDGLOBALSIZE) {
@ -1031,10 +1034,11 @@ function rarWriteBuf() {
} }
rarExecuteCode(prg); rarExecuteCode(prg);
var globalDataLen;
if (prg.GlobalData.length > VM_FIXEDGLOBALSIZE) { if (prg.GlobalData.length > VM_FIXEDGLOBALSIZE) {
// Save global data for next script execution. // Save global data for next script execution.
var globalDataLen = prg.GlobalData.length; globalDataLen = prg.GlobalData.length;
if (parentPrg.GlobalData.length < globalDataLen) { if (parentPrg.GlobalData.length < globalDataLen) {
parentPrg.GlobalData = new Uint8Array(globalDataLen); parentPrg.GlobalData = new Uint8Array(globalDataLen);
} }
@ -1050,8 +1054,8 @@ function rarWriteBuf() {
PrgStack[i] = null; PrgStack[i] = null;
while (i + 1 < PrgStack.length) { while (i + 1 < PrgStack.length) {
var nextFilter = PrgStack[i + 1]; var nextFilter = PrgStack[i + 1];
if (nextFilter == null || nextFilter.BlockStart != blockStart || if (nextFilter === null || nextFilter.BlockStart !== blockStart ||
nextFilter.BlockLength != filteredData.length || nextFilter.NextWindow) { nextFilter.BlockLength !== filteredData.length || nextFilter.NextWindow) {
break; break;
} }
@ -1059,10 +1063,10 @@ function rarWriteBuf() {
VM.setMemory(0, filteredData, filteredData.length); VM.setMemory(0, filteredData, filteredData.length);
var parentPrg = Filters[nextFilter.ParentFilter].Prg; parentPrg = Filters[nextFilter.ParentFilter].Prg;
var nextPrg = nextFilter.Prg; var nextPrg = nextFilter.Prg;
var globalDataLen = parentPrg.GlobalData.length; globalDataLen = parentPrg.GlobalData.length;
if (globalDataLen > VM_FIXEDGLOBALSIZE) { if (globalDataLen > VM_FIXEDGLOBALSIZE) {
// Copy global data from previous script execution if any. // Copy global data from previous script execution if any.
nextPrg.GlobalData = new Uint8Array(globalDataLen); nextPrg.GlobalData = new Uint8Array(globalDataLen);
@ -1073,7 +1077,7 @@ function rarWriteBuf() {
if (nextPrg.GlobalData.length > VM_GLOBALMEMSIZE) { if (nextPrg.GlobalData.length > VM_GLOBALMEMSIZE) {
// Save global data for next script execution. // Save global data for next script execution.
var globalDataLen = nextPrg.GlobalData.length; globalDataLen = nextPrg.GlobalData.length;
if (parentPrg.GlobalData.length < globalDataLen) { if (parentPrg.GlobalData.length < globalDataLen) {
parentPrg.GlobalData = new Uint8Array(globalDataLen); parentPrg.GlobalData = new Uint8Array(globalDataLen);
} }
@ -1089,15 +1093,14 @@ function rarWriteBuf() {
PrgStack[i] = null; PrgStack[i] = null;
} // while (i + 1 < PrgStack.length) } // while (i + 1 < PrgStack.length)
for (var j = 0; j < filteredData.length; ++j) { for (j = 0; j < filteredData.length; ++j) {
wBuffer.insertByte(filteredData[j]); wBuffer.insertByte(filteredData[j]);
} }
writeSize = (rBuffer.ptr - wBuffer.ptr) & MAXWINMASK; writeSize = (rBuffer.ptr - wBuffer.ptr) & MAXWINMASK;
} // if (blockLength <= writeSize) } else { // if (blockLength <= writeSize)
else { for (j = i; j < PrgStack.length; ++j) {
for (var j = i; j < PrgStack.length; ++j) { flt = PrgStack[j];
var flt = PrgStack[j]; if (flt !== null && flt.NextWindow) {
if (flt != null && flt.NextWindow) {
flt.NextWindow = false; flt.NextWindow = false;
} }
} }
@ -1121,7 +1124,7 @@ function rarWriteBuf() {
*/ */
function rarWriteArea(startPtr, endPtr) { function rarWriteArea(startPtr, endPtr) {
if (endPtr < startPtr) { if (endPtr < startPtr) {
console.error('endPtr < startPtr, endPtr=' + endPtr + ', startPtr=' + startPtr); console.error("endPtr < startPtr, endPtr=" + endPtr + ", startPtr=" + startPtr);
// rarWriteData(startPtr, -(int)StartPtr & MAXWINMASK); // rarWriteData(startPtr, -(int)StartPtr & MAXWINMASK);
// RarWriteData(0, endPtr); // RarWriteData(0, endPtr);
return; return;
@ -1173,7 +1176,7 @@ function rarReadEndOfBlock(bstream) {
NewTable = !!bstream.readBits(1); NewTable = !!bstream.readBits(1);
} }
//tablesRead = !NewTable; //tablesRead = !NewTable;
return !(NewFile || NewTable && !rarReadTables(bstream)); return !(NewFile || (NewTable && !rarReadTables(bstream)));
} }
function rarInsertLastMatch(length, distance) { function rarInsertLastMatch(length, distance) {
@ -1220,7 +1223,7 @@ function rarCopyString(length, distance) {
function unpack(v) { function unpack(v) {
// TODO: implement what happens when unpVer is < 15 // TODO: implement what happens when unpVer is < 15
var Ver = v.header.unpVer <= 15 ? 15 : v.header.unpVer; var Ver = v.header.unpVer <= 15 ? 15 : v.header.unpVer;
var Solid = v.header.LHD_SOLID; // var Solid = v.header.LHD_SOLID;
var bstream = new bitjs.io.BitStream(v.fileData.buffer, true /* rtl */, v.fileData.byteOffset, v.fileData.byteLength); var bstream = new bitjs.io.BitStream(v.fileData.buffer, true /* rtl */, v.fileData.byteOffset, v.fileData.byteLength);
rBuffer = new bitjs.io.ByteBuffer(v.header.unpackedSize); rBuffer = new bitjs.io.ByteBuffer(v.header.unpackedSize);
@ -1252,7 +1255,7 @@ var RarLocalFile = function(bstream) {
this.header = new RarVolumeHeader(bstream); this.header = new RarVolumeHeader(bstream);
this.filename = this.header.filename; this.filename = this.header.filename;
if (this.header.headType != FILE_HEAD && this.header.headType != ENDARC_HEAD) { if (this.header.headType !== FILE_HEAD && this.header.headType !== ENDARC_HEAD) {
this.isValid = false; this.isValid = false;
info("Error! RAR Volume did not include a FILE_HEAD header "); info("Error! RAR Volume did not include a FILE_HEAD header ");
} else { } else {
@ -1306,7 +1309,7 @@ var unrar = function(arrayBuffer) {
info("Found RAR signature"); info("Found RAR signature");
var mhead = new RarVolumeHeader(bstream); var mhead = new RarVolumeHeader(bstream);
if (mhead.headType != MAIN_HEAD) { if (mhead.headType !== MAIN_HEAD) {
info("Error! RAR did not include a MAIN_HEAD header"); info("Error! RAR did not include a MAIN_HEAD header");
} else { } else {
var localFiles = []; var localFiles = [];

21
cps/static/js/archive/untar.js
View File

@ -10,9 +10,11 @@
* TAR format: http://www.gnu.org/software/automake/manual/tar/Standard.html * TAR format: http://www.gnu.org/software/automake/manual/tar/Standard.html
*/ */
/* global bitjs, importScripts, Uint8Array */
// This file expects to be invoked as a Worker (see onmessage below). // This file expects to be invoked as a Worker (see onmessage below).
importScripts('../io/bytestream.js'); importScripts("../io/bytestream.js");
importScripts('archive.js'); importScripts("archive.js");
// Progress variables. // Progress variables.
var currentFilename = ""; var currentFilename = "";
@ -21,6 +23,7 @@ var currentBytesUnarchivedInFile = 0;
var currentBytesUnarchived = 0; var currentBytesUnarchived = 0;
var totalUncompressedBytesInArchive = 0; var totalUncompressedBytesInArchive = 0;
var totalFilesInArchive = 0; var totalFilesInArchive = 0;
var allLocalFiles = [];
// Helper functions. // Helper functions.
var info = function(str) { var info = function(str) {
@ -44,7 +47,7 @@ var postProgress = function() {
currentBytesUnarchivedInFile, currentBytesUnarchivedInFile,
currentBytesUnarchived, currentBytesUnarchived,
totalUncompressedBytesInArchive, totalUncompressedBytesInArchive,
totalFilesInArchive, totalFilesInArchive
)); ));
}; };
@ -66,7 +69,7 @@ var TarLocalFile = function(bstream) {
this.linkname = readCleanString(bstream, 100); this.linkname = readCleanString(bstream, 100);
this.maybeMagic = readCleanString(bstream, 6); this.maybeMagic = readCleanString(bstream, 6);
if (this.maybeMagic == "ustar") { if (this.maybeMagic === "ustar") {
this.version = readCleanString(bstream, 2); this.version = readCleanString(bstream, 2);
this.uname = readCleanString(bstream, 32); this.uname = readCleanString(bstream, 32);
this.gname = readCleanString(bstream, 32); this.gname = readCleanString(bstream, 32);
@ -103,14 +106,14 @@ var TarLocalFile = function(bstream) {
} }
// Round up to 512-byte blocks. // Round up to 512-byte blocks.
var remaining = 512 - bytesRead % 512; var remaining = 512 - (bytesRead % 512);
if (remaining > 0 && remaining < 512) { if (remaining > 0 && remaining < 512) {
bstream.readBytes(remaining); bstream.readBytes(remaining);
} }
} else if (this.typeflag == 5) { } else if (this.typeflag == 5) {
info(" This is a directory."); info(" This is a directory.");
} }
} };
var untar = function(arrayBuffer) { var untar = function(arrayBuffer) {
postMessage(new bitjs.archive.UnarchiveStartEvent()); postMessage(new bitjs.archive.UnarchiveStartEvent());
@ -125,7 +128,7 @@ var untar = function(arrayBuffer) {
var bstream = new bitjs.io.ByteStream(arrayBuffer); var bstream = new bitjs.io.ByteStream(arrayBuffer);
postProgress(); postProgress();
// While we don't encounter an empty block, keep making TarLocalFiles. // While we don't encounter an empty block, keep making TarLocalFiles.
while (bstream.peekNumber(4) != 0) { while (bstream.peekNumber(4) !== 0) {
var oneLocalFile = new TarLocalFile(bstream); var oneLocalFile = new TarLocalFile(bstream);
if (oneLocalFile && oneLocalFile.isValid) { if (oneLocalFile && oneLocalFile.isValid) {
// If we make it to this point and haven't thrown an error, we have successfully // If we make it to this point and haven't thrown an error, we have successfully
@ -159,8 +162,8 @@ onmessage = function(event) {
// Overrun the buffer. // Overrun the buffer.
// unarchiveState = UnarchiveState.WAITING; // unarchiveState = UnarchiveState.WAITING;
} else { } else {
console.error("Found an error while untarring"); err("Found an error while untarring");
console.log(e); err(e);
throw e; throw e;
} }
} }

28
cps/static/js/archive/unzip.js
View File

@ -14,10 +14,10 @@
/* global bitjs, importScripts, Uint8Array*/ /* global bitjs, importScripts, Uint8Array*/
// This file expects to be invoked as a Worker (see onmessage below). // This file expects to be invoked as a Worker (see onmessage below).
importScripts('../io/bitstream.js'); importScripts("../io/bitstream.js");
importScripts('../io/bytebuffer.js'); importScripts("../io/bytebuffer.js");
importScripts('../io/bytestream.js'); importScripts("../io/bytestream.js");
importScripts('archive.js'); importScripts("archive.js");
// Progress variables. // Progress variables.
var currentFilename = ""; var currentFilename = "";
@ -118,13 +118,11 @@ ZipLocalFile.prototype.unzip = function() {
currentBytesUnarchivedInFile = this.compressedSize; currentBytesUnarchivedInFile = this.compressedSize;
currentBytesUnarchived += this.compressedSize; currentBytesUnarchived += this.compressedSize;
this.fileData = zeroCompression(this.fileData, this.uncompressedSize); this.fileData = zeroCompression(this.fileData, this.uncompressedSize);
} } else if (this.compressionMethod === 8) {
// version == 20, compression method == 8 (DEFLATE) // version == 20, compression method == 8 (DEFLATE)
else if (this.compressionMethod === 8) {
info("ZIP v2.0, DEFLATE: " + this.filename + " (" + this.compressedSize + " bytes)"); info("ZIP v2.0, DEFLATE: " + this.filename + " (" + this.compressedSize + " bytes)");
this.fileData = inflate(this.fileData, this.uncompressedSize); this.fileData = inflate(this.fileData, this.uncompressedSize);
} } else {
else {
err("UNSUPPORTED VERSION/FORMAT: ZIP v" + this.version + ", compression method=" + this.compressionMethod + ": " + this.filename + " (" + this.compressedSize + " bytes)"); err("UNSUPPORTED VERSION/FORMAT: ZIP v" + this.version + ", compression method=" + this.compressionMethod + ": " + this.filename + " (" + this.compressedSize + " bytes)");
this.fileData = null; this.fileData = null;
} }
@ -497,13 +495,11 @@ function inflateBlockData(bstream, hcLiteralTable, hcDistanceTable, buffer) {
// copy literal byte to output // copy literal byte to output
buffer.insertByte(symbol); buffer.insertByte(symbol);
blockSize++; blockSize++;
} } else {
else {
// end of block reached // end of block reached
if (symbol === 256) { if (symbol === 256) {
break; break;
} } else {
else {
var lengthLookup = LengthLookupTable[symbol - 257], var lengthLookup = LengthLookupTable[symbol - 257],
length = lengthLookup[1] + bstream.readBits(lengthLookup[0]), length = lengthLookup[1] + bstream.readBits(lengthLookup[0]),
distLookup = DistLookupTable[decodeSymbol(bstream, hcDistanceTable)], distLookup = DistLookupTable[decodeSymbol(bstream, hcDistanceTable)],
@ -566,7 +562,7 @@ function inflate(compressedData, numDecompressedBytes) {
blockSize = 0; blockSize = 0;
// ++numBlocks; // ++numBlocks;
// no compression // no compression
if (bType == 0) { if (bType === 0) {
// skip remaining bits in this byte // skip remaining bits in this byte
while (bstream.bitPtr !== 0) bstream.readBits(1); while (bstream.bitPtr !== 0) bstream.readBits(1);
var len = bstream.readBits(16); var len = bstream.readBits(16);
@ -575,13 +571,11 @@ function inflate(compressedData, numDecompressedBytes) {
if (len > 0) buffer.insertBytes(bstream.readBytes(len)); if (len > 0) buffer.insertBytes(bstream.readBytes(len));
blockSize = len; blockSize = len;
} } else if (bType === 1) {
// fixed Huffman codes // fixed Huffman codes
else if (bType === 1) {
blockSize = inflateBlockData(bstream, getFixedLiteralTable(), getFixedDistanceTable(), buffer); blockSize = inflateBlockData(bstream, getFixedLiteralTable(), getFixedDistanceTable(), buffer);
} } else if (bType === 2) {
// dynamic Huffman codes // dynamic Huffman codes
else if (bType === 2) {
var numLiteralLengthCodes = bstream.readBits(5) + 257; var numLiteralLengthCodes = bstream.readBits(5) + 257;
var numDistanceCodes = bstream.readBits(5) + 1, var numDistanceCodes = bstream.readBits(5) + 1,
numCodeLengthCodes = bstream.readBits(4) + 4; numCodeLengthCodes = bstream.readBits(4) + 4;

40
cps/static/js/io/bitstream.js Normal file → Executable file
View File

@ -8,6 +8,9 @@
* Copyright(c) 2011 Google Inc. * Copyright(c) 2011 Google Inc.
* Copyright(c) 2011 antimatter15 * Copyright(c) 2011 antimatter15
*/ */
/* global bitjs, Uint8Array */
var bitjs = bitjs || {}; var bitjs = bitjs || {};
bitjs.io = bitjs.io || {}; bitjs.io = bitjs.io || {};
@ -30,20 +33,20 @@ bitjs.io = bitjs.io || {};
* @param {ArrayBuffer} ab An ArrayBuffer object or a Uint8Array. * @param {ArrayBuffer} ab An ArrayBuffer object or a Uint8Array.
* @param {boolean} rtl Whether the stream reads bits from the byte starting * @param {boolean} rtl Whether the stream reads bits from the byte starting
* from bit 7 to 0 (true) or bit 0 to 7 (false). * from bit 7 to 0 (true) or bit 0 to 7 (false).
* @param {Number} opt_offset The offset into the ArrayBuffer * @param {Number} optOffset The offset into the ArrayBuffer
* @param {Number} opt_length The length of this BitStream * @param {Number} optLength The length of this BitStream
*/ */
bitjs.io.BitStream = function(ab, rtl, opt_offset, opt_length) { bitjs.io.BitStream = function(ab, rtl, optOffset, optLength) {
if (!ab || !ab.toString || ab.toString() !== "[object ArrayBuffer]") { if (!ab || !ab.toString || ab.toString() !== "[object ArrayBuffer]") {
throw "Error! BitArray constructed with an invalid ArrayBuffer object"; throw "Error! BitArray constructed with an invalid ArrayBuffer object";
} }
var offset = opt_offset || 0; var offset = optOffset || 0;
var length = opt_length || ab.byteLength; var length = optLength || ab.byteLength;
this.bytes = new Uint8Array(ab, offset, length); this.bytes = new Uint8Array(ab, offset, length);
this.bytePtr = 0; // tracks which byte we are on this.bytePtr = 0; // tracks which byte we are on
this.bitPtr = 0; // tracks which bit we are on (can have values 0 through 7) this.bitPtr = 0; // tracks which bit we are on (can have values 0 through 7)
this.peekBits = rtl ? this.peekBits_rtl : this.peekBits_ltr; this.peekBits = rtl ? this.peekBitsRtl : this.peekBitsLtr;
}; };
@ -57,8 +60,8 @@ bitjs.io = bitjs.io || {};
* @param {boolean=} movePointers Whether to move the pointer, defaults false. * @param {boolean=} movePointers Whether to move the pointer, defaults false.
* @return {number} The peeked bits, as an unsigned number. * @return {number} The peeked bits, as an unsigned number.
*/ */
bitjs.io.BitStream.prototype.peekBits_ltr = function(n, movePointers) { bitjs.io.BitStream.prototype.peekBitsLtr = function(n, movePointers) {
if (n <= 0 || typeof n != typeof 1) { if (n <= 0 || typeof n !== typeof 1) {
return 0; return 0;
} }
@ -77,12 +80,13 @@ bitjs.io = bitjs.io || {};
if (bytePtr >= bytes.length) { if (bytePtr >= bytes.length) {
throw "Error! Overflowed the bit stream! n=" + n + ", bytePtr=" + bytePtr + ", bytes.length=" + throw "Error! Overflowed the bit stream! n=" + n + ", bytePtr=" + bytePtr + ", bytes.length=" +
bytes.length + ", bitPtr=" + bitPtr; bytes.length + ", bitPtr=" + bitPtr;
return -1; // return -1;
} }
var numBitsLeftInThisByte = (8 - bitPtr); var numBitsLeftInThisByte = (8 - bitPtr);
var mask;
if (n >= numBitsLeftInThisByte) { if (n >= numBitsLeftInThisByte) {
var mask = (BITMASK[numBitsLeftInThisByte] << bitPtr); mask = (BITMASK[numBitsLeftInThisByte] << bitPtr);
result |= (((bytes[bytePtr] & mask) >> bitPtr) << bitsIn); result |= (((bytes[bytePtr] & mask) >> bitPtr) << bitsIn);
bytePtr++; bytePtr++;
@ -90,7 +94,7 @@ bitjs.io = bitjs.io || {};
bitsIn += numBitsLeftInThisByte; bitsIn += numBitsLeftInThisByte;
n -= numBitsLeftInThisByte; n -= numBitsLeftInThisByte;
} else { } else {
var mask = (BITMASK[n] << bitPtr); mask = (BITMASK[n] << bitPtr);
result |= (((bytes[bytePtr] & mask) >> bitPtr) << bitsIn); result |= (((bytes[bytePtr] & mask) >> bitPtr) << bitsIn);
bitPtr += n; bitPtr += n;
@ -118,8 +122,8 @@ bitjs.io = bitjs.io || {};
* @param {boolean=} movePointers Whether to move the pointer, defaults false. * @param {boolean=} movePointers Whether to move the pointer, defaults false.
* @return {number} The peeked bits, as an unsigned number. * @return {number} The peeked bits, as an unsigned number.
*/ */
bitjs.io.BitStream.prototype.peekBits_rtl = function(n, movePointers) { bitjs.io.BitStream.prototype.peekBitsRtl = function(n, movePointers) {
if (n <= 0 || typeof n != typeof 1) { if (n <= 0 || typeof n !== typeof 1) {
return 0; return 0;
} }
@ -138,7 +142,7 @@ bitjs.io = bitjs.io || {};
if (bytePtr >= bytes.length) { if (bytePtr >= bytes.length) {
throw "Error! Overflowed the bit stream! n=" + n + ", bytePtr=" + bytePtr + ", bytes.length=" + throw "Error! Overflowed the bit stream! n=" + n + ", bytePtr=" + bytePtr + ", bytes.length=" +
bytes.length + ", bitPtr=" + bitPtr; bytes.length + ", bitPtr=" + bitPtr;
return -1; // return -1;
} }
var numBitsLeftInThisByte = (8 - bitPtr); var numBitsLeftInThisByte = (8 - bitPtr);
@ -198,19 +202,19 @@ bitjs.io = bitjs.io || {};
* @return {Uint8Array} The subarray. * @return {Uint8Array} The subarray.
*/ */
bitjs.io.BitStream.prototype.peekBytes = function(n, movePointers) { bitjs.io.BitStream.prototype.peekBytes = function(n, movePointers) {
if (n <= 0 || typeof n != typeof 1) { if (n <= 0 || typeof n !== typeof 1) {
return 0; return 0;
} }
// from http://tools.ietf.org/html/rfc1951#page-11 // from http://tools.ietf.org/html/rfc1951#page-11
// "Any bits of input up to the next byte boundary are ignored." // "Any bits of input up to the next byte boundary are ignored."
while (this.bitPtr != 0) { while (this.bitPtr !== 0) {
this.readBits(1); this.readBits(1);
} }
var movePointers = movePointers || false; var movePointers = movePointers || false;
var bytePtr = this.bytePtr, var bytePtr = this.bytePtr;
bitPtr = this.bitPtr; // bitPtr = this.bitPtr;
var result = this.bytes.subarray(bytePtr, bytePtr + n); var result = this.bytes.subarray(bytePtr, bytePtr + n);

19
cps/static/js/io/bytebuffer.js
View File

@ -8,6 +8,9 @@
* Copyright(c) 2011 Google Inc. * Copyright(c) 2011 Google Inc.
* Copyright(c) 2011 antimatter15 * Copyright(c) 2011 antimatter15
*/ */
/* global bitjs, Uint8Array */
var bitjs = bitjs || {}; var bitjs = bitjs || {};
bitjs.io = bitjs.io || {}; bitjs.io = bitjs.io || {};
@ -20,7 +23,7 @@ bitjs.io = bitjs.io || {};
* @constructor * @constructor
*/ */
bitjs.io.ByteBuffer = function(numBytes) { bitjs.io.ByteBuffer = function(numBytes) {
if (typeof numBytes != typeof 1 || numBytes <= 0) { if (typeof numBytes !== typeof 1 || numBytes <= 0) {
throw "Error! ByteBuffer initialized with '" + numBytes + "'"; throw "Error! ByteBuffer initialized with '" + numBytes + "'";
} }
this.data = new Uint8Array(numBytes); this.data = new Uint8Array(numBytes);
@ -55,14 +58,14 @@ bitjs.io = bitjs.io || {};
*/ */
bitjs.io.ByteBuffer.prototype.writeNumber = function(num, numBytes) { bitjs.io.ByteBuffer.prototype.writeNumber = function(num, numBytes) {
if (numBytes < 1) { if (numBytes < 1) {
throw 'Trying to write into too few bytes: ' + numBytes; throw "Trying to write into too few bytes: " + numBytes;
} }
if (num < 0) { if (num < 0) {
throw 'Trying to write a negative number (' + num + throw "Trying to write a negative number (" + num +
') as an unsigned number to an ArrayBuffer'; ") as an unsigned number to an ArrayBuffer";
} }
if (num > (Math.pow(2, numBytes * 8) - 1)) { if (num > (Math.pow(2, numBytes * 8) - 1)) {
throw 'Trying to write ' + num + ' into only ' + numBytes + ' bytes'; throw "Trying to write " + num + " into only " + numBytes + " bytes";
} }
// Roll 8-bits at a time into an array of bytes. // Roll 8-bits at a time into an array of bytes.
@ -85,12 +88,12 @@ bitjs.io = bitjs.io || {};
*/ */
bitjs.io.ByteBuffer.prototype.writeSignedNumber = function(num, numBytes) { bitjs.io.ByteBuffer.prototype.writeSignedNumber = function(num, numBytes) {
if (numBytes < 1) { if (numBytes < 1) {
throw 'Trying to write into too few bytes: ' + numBytes; throw "Trying to write into too few bytes: " + numBytes;
} }
var HALF = Math.pow(2, (numBytes * 8) - 1); var HALF = Math.pow(2, (numBytes * 8) - 1);
if (num >= HALF || num < -HALF) { if (num >= HALF || num < -HALF) {
throw 'Trying to write ' + num + ' into only ' + numBytes + ' bytes'; throw "Trying to write " + num + " into only " + numBytes + " bytes";
} }
// Roll 8-bits at a time into an array of bytes. // Roll 8-bits at a time into an array of bytes.
@ -112,7 +115,7 @@ bitjs.io = bitjs.io || {};
for (var i = 0; i < str.length; ++i) { for (var i = 0; i < str.length; ++i) {
var curByte = str.charCodeAt(i); var curByte = str.charCodeAt(i);
if (curByte < 0 || curByte > 255) { if (curByte < 0 || curByte > 255) {
throw 'Trying to write a non-ASCII string!'; throw "Trying to write a non-ASCII string!";
} }
this.insertByte(curByte); this.insertByte(curByte);
} }

20
cps/static/js/io/bytestream.js
View File

@ -8,6 +8,9 @@
* Copyright(c) 2011 Google Inc. * Copyright(c) 2011 Google Inc.
* Copyright(c) 2011 antimatter15 * Copyright(c) 2011 antimatter15
*/ */
/* global bitjs, Uint8Array */
var bitjs = bitjs || {}; var bitjs = bitjs || {};
bitjs.io = bitjs.io || {}; bitjs.io = bitjs.io || {};
@ -19,13 +22,13 @@ bitjs.io = bitjs.io || {};
* out of an ArrayBuffer. In this buffer, everything must be byte-aligned. * out of an ArrayBuffer. In this buffer, everything must be byte-aligned.
* *
* @param {ArrayBuffer} ab The ArrayBuffer object. * @param {ArrayBuffer} ab The ArrayBuffer object.
* @param {number=} opt_offset The offset into the ArrayBuffer * @param {number=} optOffset The offset into the ArrayBuffer
* @param {number=} opt_length The length of this BitStream * @param {number=} optLength The length of this BitStream
* @constructor * @constructor
*/ */
bitjs.io.ByteStream = function(ab, opt_offset, opt_length) { bitjs.io.ByteStream = function(ab, optOffset, optLength) {
var offset = opt_offset || 0; var offset = optOffset || 0;
var length = opt_length || ab.byteLength; var length = optLength || ab.byteLength;
this.bytes = new Uint8Array(ab, offset, length); this.bytes = new Uint8Array(ab, offset, length);
this.ptr = 0; this.ptr = 0;
}; };
@ -40,8 +43,9 @@ bitjs.io = bitjs.io || {};
*/ */
bitjs.io.ByteStream.prototype.peekNumber = function(n) { bitjs.io.ByteStream.prototype.peekNumber = function(n) {
// TODO: return error if n would go past the end of the stream? // 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; return -1;
}
var result = 0; var result = 0;
// read from last byte to first byte and roll them in // read from last byte to first byte and roll them in
@ -105,7 +109,7 @@ bitjs.io = bitjs.io || {};
* @return {Uint8Array} The subarray. * @return {Uint8Array} The subarray.
*/ */
bitjs.io.ByteStream.prototype.peekBytes = function(n, movePointers) { bitjs.io.ByteStream.prototype.peekBytes = function(n, movePointers) {
if (n <= 0 || typeof n != typeof 1) { if (n <= 0 || typeof n !== typeof 1) {
return null; return null;
} }
@ -135,7 +139,7 @@ bitjs.io = bitjs.io || {};
* @return {string} The next n bytes as a string. * @return {string} The next n bytes as a string.
*/ */
bitjs.io.ByteStream.prototype.peekString = function(n) { bitjs.io.ByteStream.prototype.peekString = function(n) {
if (n <= 0 || typeof n != typeof 1) { if (n <= 0 || typeof n !== typeof 1) {
return ""; return "";
} }

59
cps/static/js/kthoom.js
View File

@ -15,7 +15,10 @@
* Typed Arrays: http://www.khronos.org/registry/typedarray/specs/latest/#6 * Typed Arrays: http://www.khronos.org/registry/typedarray/specs/latest/#6
*/ */
/* global screenfull, bitjs */ /* global screenfull, bitjs, Uint8Array, opera */
/* exported init, event */
if (window.opera) { if (window.opera) {
window.console.log = function(str) { window.console.log = function(str) {
opera.postError(str); opera.postError(str);
@ -101,12 +104,12 @@ kthoom.setSettings = function() {
var createURLFromArray = function(array, mimeType) { var createURLFromArray = function(array, mimeType) {
var offset = array.byteOffset; var offset = array.byteOffset;
var len = array.byteLength; var len = array.byteLength;
var url; // var url;
var blob; var blob;
if (mimeType === 'image/xml+svg') { if (mimeType === "image/xml+svg") {
const xmlStr = new TextDecoder('utf-8').decode(array); var xmlStr = new TextDecoder("utf-8").decode(array);
return 'data:image/svg+xml;UTF-8,' + encodeURIComponent(xmlStr); return "data:image/svg+xml;UTF-8," + encodeURIComponent(xmlStr);
} }
// TODO: Move all this browser support testing to a common place // TODO: Move all this browser support testing to a common place
@ -140,7 +143,7 @@ kthoom.ImageFile = function(file) {
var fileExtension = file.filename.split(".").pop().toLowerCase(); var fileExtension = file.filename.split(".").pop().toLowerCase();
this.mimeType = fileExtension === "png" ? "image/png" : this.mimeType = fileExtension === "png" ? "image/png" :
(fileExtension === "jpg" || fileExtension === "jpeg") ? "image/jpeg" : (fileExtension === "jpg" || fileExtension === "jpeg") ? "image/jpeg" :
fileExtension === "gif" ? "image/gif" : fileExtension == 'svg' ? 'image/xml+svg' : undefined; fileExtension === "gif" ? "image/gif" : fileExtension === "svg" ? "image/xml+svg" : undefined;
if ( this.mimeType !== undefined) { if ( this.mimeType !== undefined) {
this.dataURI = createURLFromArray(file.fileData, this.mimeType); this.dataURI = createURLFromArray(file.fileData, this.mimeType);
this.data = file; this.data = file;
@ -154,17 +157,18 @@ function initProgressClick() {
currentImage = page; currentImage = page;
updatePage(); updatePage();
}); });
}; }
function loadFromArrayBuffer(ab) { function loadFromArrayBuffer(ab) {
var start = (new Date).getTime(); var start = (new Date).getTime();
var h = new Uint8Array(ab, 0, 10); var h = new Uint8Array(ab, 0, 10);
var pathToBitJS = "../../static/js/archive/"; var pathToBitJS = "../../static/js/archive/";
var lastCompletion = 0;
if (h[0] === 0x52 && h[1] === 0x61 && h[2] === 0x72 && h[3] === 0x21) { //Rar! if (h[0] === 0x52 && h[1] === 0x61 && h[2] === 0x72 && h[3] === 0x21) { //Rar!
unarchiver = new bitjs.archive.Unrarrer(ab, pathToBitJS); unarchiver = new bitjs.archive.Unrarrer(ab, pathToBitJS);
} else if (h[0] === 80 && h[1] === 75) { //PK (Zip) } else if (h[0] === 80 && h[1] === 75) { //PK (Zip)
unarchiver = new bitjs.archive.Unzipper(ab, pathToBitJS); unarchiver = new bitjs.archive.Unzipper(ab, pathToBitJS);
} else if (h[0] == 255 && h[1] == 216) { // JPEG } else if (h[0] === 255 && h[1] === 216) { // JPEG
// ToDo: check // ToDo: check
updateProgress(100); updateProgress(100);
lastCompletion = 100; lastCompletion = 100;
@ -185,7 +189,7 @@ function loadFromArrayBuffer(ab) {
}); });
unarchiver.addEventListener(bitjs.archive.UnarchiveEvent.Type.INFO, unarchiver.addEventListener(bitjs.archive.UnarchiveEvent.Type.INFO,
function(e) { function(e) {
// console.log(e.msg); 77 Enable debug output here // console.log(e.msg); // Enable debug output here
}); });
unarchiver.addEventListener(bitjs.archive.UnarchiveEvent.Type.EXTRACT, unarchiver.addEventListener(bitjs.archive.UnarchiveEvent.Type.EXTRACT,
function(e) { function(e) {
@ -211,8 +215,7 @@ function loadFromArrayBuffer(ab) {
if (imageFiles.length === currentImage + 1) { if (imageFiles.length === currentImage + 1) {
updatePage(lastCompletion); updatePage(lastCompletion);
} }
} } else {
else {
totalImages--; totalImages--;
} }
} }
@ -231,22 +234,22 @@ function loadFromArrayBuffer(ab) {
function scrollTocToActive() { function scrollTocToActive() {
// Scroll to the thumbnail in the TOC on page change // Scroll to the thumbnail in the TOC on page change
$('#tocView').stop().animate({ $("#tocView").stop().animate({
scrollTop: $('#tocView a.active').position().top scrollTop: $("#tocView a.active").position().top
}, 200); }, 200);
} }
function updatePage() { function updatePage() {
$('.page').text((currentImage + 1 ) + "/" + totalImages); $(".page").text((currentImage + 1 ) + "/" + totalImages);
// Mark the current page in the TOC // Mark the current page in the TOC
$('#tocView a[data-page]') $("#tocView a[data-page]")
// Remove the currently active thumbnail // Remove the currently active thumbnail
.removeClass('active') .removeClass("active")
// Find the new one // Find the new one
.filter('[data-page='+ (currentImage + 1) +']') .filter("[data-page=" + (currentImage + 1) + "]")
// Set it to active // Set it to active
.addClass('active'); .addClass("active");
scrollTocToActive(); scrollTocToActive();
updateProgress(); updateProgress();
@ -270,8 +273,8 @@ function updateProgress(loadPercentage) {
if (loadPercentage === 100) { if (loadPercentage === 100) {
$("#progress") $("#progress")
.removeClass('loading') .removeClass("loading")
.find(".load").text(''); .find(".load").text("");
} }
} }
@ -326,7 +329,7 @@ function setImage(url) {
xhr.onload = function() { xhr.onload = function() {
$("#mainText").css("display", ""); $("#mainText").css("display", "");
$("#mainText").innerHTML("<iframe style=\"width:100%;height:700px;border:0\" src=\"data:text/html," + escape(xhr.responseText) + "\"></iframe>"); $("#mainText").innerHTML("<iframe style=\"width:100%;height:700px;border:0\" src=\"data:text/html," + escape(xhr.responseText) + "\"></iframe>");
} };
xhr.send(null); xhr.send(null);
} else if (!/(jpg|jpeg|png|gif)$/.test(imageFiles[currentImage].filename) && imageFiles[currentImage].data.uncompressedSize < 10 * 1024) { } else if (!/(jpg|jpeg|png|gif)$/.test(imageFiles[currentImage].filename) && imageFiles[currentImage].data.uncompressedSize < 10 * 1024) {
xhr.open("GET", url, true); xhr.open("GET", url, true);
@ -378,17 +381,17 @@ function setImage(url) {
function showLeftPage() { function showLeftPage() {
if (settings.direction === 0) { if (settings.direction === 0) {
showPrevPage() showPrevPage();
} else { } else {
showNextPage() showNextPage();
} }
} }
function showRightPage() { function showRightPage() {
if (settings.direction === 0) { if (settings.direction === 0) {
showNextPage() showNextPage();
} else { } else {
showPrevPage() showPrevPage();
} }
} }
@ -504,7 +507,7 @@ function keyHandler(evt) {
updateScale(false); updateScale(false);
break; break;
case kthoom.Key.SPACE: case kthoom.Key.SPACE:
var container = $('#mainContent'); var container = $("#mainContent");
var atTop = container.scrollTop() === 0; var atTop = container.scrollTop() === 0;
var atBottom = container.scrollTop() >= container[0].scrollHeight - container.height(); var atBottom = container.scrollTop() >= container[0].scrollHeight - container.height();
@ -579,7 +582,7 @@ function init(filename) {
// We need this in a timeout because if we call it during the CSS transition, IE11 shakes the page ¯\_(ツ)_/¯ // We need this in a timeout because if we call it during the CSS transition, IE11 shakes the page ¯\_(ツ)_/¯
setTimeout(function() { setTimeout(function() {
// Focus on the TOC or the main content area, depending on which is open // Focus on the TOC or the main content area, depending on which is open
$('#main:not(.closed) #mainContent, #sidebar.open #tocView').focus(); $("#main:not(.closed) #mainContent, #sidebar.open #tocView").focus();
scrollTocToActive(); scrollTocToActive();
}, 500); }, 500);
}); });
@ -630,7 +633,7 @@ function init(filename) {
} }
// Focus the scrollable area so that keyboard scrolling work as expected // Focus the scrollable area so that keyboard scrolling work as expected
$('#mainContent').focus(); $("#mainContent").focus();
$("#mainImage").click(function(evt) { $("#mainImage").click(function(evt) {
// Firefox does not support offsetX/Y so we have to manually calculate // Firefox does not support offsetX/Y so we have to manually calculate