Diffstat (limited to 'frontend/delta/js/Clipperz/ByteArray.js') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | frontend/delta/js/Clipperz/ByteArray.js | 1459 |
1 files changed, 1459 insertions, 0 deletions
diff --git a/frontend/delta/js/Clipperz/ByteArray.js b/frontend/delta/js/Clipperz/ByteArray.js new file mode 100644 index 0000000..22c7c6e --- a/dev/null +++ b/frontend/delta/js/Clipperz/ByteArray.js @@ -0,0 +1,1459 @@ +/* + +Copyright 2008-2013 Clipperz Srl + +This file is part of Clipperz, the online password manager. +For further information about its features and functionalities please +refer to http://www.clipperz.com. + +* Clipperz is free software: you can redistribute it and/or modify it + under the terms of the GNU Affero General Public License as published + by the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + +* Clipperz is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU Affero General Public License for more details. + +* You should have received a copy of the GNU Affero General Public + License along with Clipperz. If not, see http://www.gnu.org/licenses/. + +*/ + +if (typeof(Clipperz) == 'undefined') { Clipperz = {}; } + +//============================================================================= + +Clipperz.ByteArray_abstract = function(args) { + return this; +} + +Clipperz.ByteArray_abstract.prototype = MochiKit.Base.update(null, { + + //------------------------------------------------------------------------- + + 'toString': function() { + return "Clipperz.ByteArray_abstract"; + }, + + //------------------------------------------------------------------------- + + 'equals': function(aValue) { + return (this.compare(aValue) == 0); + }, + + //------------------------------------------------------------------------- + + 'compare': function(aValue) { + var result; + var i; + + result = MochiKit.Base.compare(this.length(), aValue.length()); + i = this.length(); + + while ((result == 0) && (i>0)) { + i--; + result = MochiKit.Base.compare(this.byteAtIndex(i), aValue.byteAtIndex(i)); + } + + return result; + }, + + //------------------------------------------------------------------------- + + 'clone': function() { + throw Clipperz.Base.exception.AbstractMethod; + }, + + //------------------------------------------------------------------------- + + 'newInstance': function() { + throw Clipperz.Base.exception.AbstractMethod; + }, + + //------------------------------------------------------------------------- + + 'reset': function() { + throw Clipperz.Base.exception.AbstractMethod; + }, + + //------------------------------------------------------------------------- + + 'length': function() { + throw Clipperz.Base.exception.AbstractMethod; + }, + + //------------------------------------------------------------------------- + + 'checkByteValue': function(aValue) { + if ((aValue & 0xff) != aValue) { + Clipperz.logError("Clipperz.ByteArray.appendByte: the provided value (0x" + aValue.toString(16) + ") is not a byte value."); + throw Clipperz.ByteArray.exception.InvalidValue; + } + }, + + //------------------------------------------------------------------------- + + 'xorMergeWithBlock': function(aBlock, anAllignment, paddingMode) { + var result; + var a, b; + var aLength; + var bLength; + var i, c; + + if (this.length() > aBlock.length()) { + a = this; + b = aBlock; + } else { + a = aBlock; + b = this; + } + + aLength = a.length(); + bLength = b.length(); + + if (aLength != bLength) { + if (paddingMode == 'truncate') { + if (anAllignment == 'left') { + a = a.split(0, bLength); + } else { + a = a.split(aLength - bLength); + } + } else { + var ii, cc; + var padding; + +// padding = new Clipperz.ByteArray(); + padding = this.newInstance(); + cc = aLength - bLength; + for (ii=0; ii<cc; ii++) { + padding.appendByte(0); + } + + if (anAllignment == 'left') { + b = b.appendBlock(padding); + } else { + b = padding.appendBlock(b); + } + } + } + + result = this.newInstance(); + c = a.length(); + for (i=0; i<c; i++) { + result.appendByte(a.byteAtIndex(i) ^ b.byteAtIndex(i)); + } + + return result; + }, + + //------------------------------------------------------------------------- + + 'appendBlock': function(aBlock) { + throw Clipperz.Base.exception.AbstractMethod; + }, + + //------------------------------------------------------------------------- + + 'appendByte': function(aValue) { + throw Clipperz.Base.exception.AbstractMethod; + }, + + 'appendBytes': function(args) { + var values; + var i,c; + + if (args.constructor == Array) { + values = args; + } else { + values = arguments; + } + + c = values.length; + for (i=0; i<c; i++) { + this.appendByte(values[i]); + } + + return this; + }, + + //------------------------------------------------------------------------- + + 'appendWord': function(aValue, isLittleEndian) { + var result; + var processAsLittleEndian; + + processAsLittleEndian = isLittleEndian === true ? true : false; + + if (processAsLittleEndian) { + result = this.appendBytes( (aValue) & 0xff, (aValue >> 8) & 0xff, (aValue >> 16) & 0xff, (aValue >> 24) & 0xff ); // little endian + } else { + result = this.appendBytes( (aValue >> 24) & 0xff, (aValue >> 16) & 0xff, (aValue >> 8) & 0xff, (aValue) & 0xff ); // big endian - DEFAULT + } + + return result; + }, + + 'appendWords': function(args) { + var values; + var i,c; + + if (args.constructor == Array) { + values = args; + } else { + values = arguments; + } + + c = values.length; + for (i=0; i<c; i++) { + this.appendWord(values[i], false); + } + + return this; + }, + + //------------------------------------------------------------------------- + + 'appendBigEndianWords': function(args) { + var values; + var i,c; + + if (args.constructor == Array) { + values = args; + } else { + values = arguments; + } + + c = values.length; + for (i=0; i<c; i++) { + this.appendWord(values[i], true); + } + + return this; + }, + + //------------------------------------------------------------------------- + + 'appendBinaryString': function (aBinaryString) { + var i,c; + + c = aBinaryString.length; + for (i=0; i<c; i++) { + this.appendByte(aBinaryString.charCodeAt(i)); + }; + + return this; + }, + + //------------------------------------------------------------------------- + + 'byteAtIndex': function(anIndex) { + throw Clipperz.Base.exception.AbstractMethod; + }, + + 'setByteAtIndex': function(aValue, anIndex) { + throw Clipperz.Base.exception.AbstractMethod; + }, + + //------------------------------------------------------------------------- + + 'bitAtIndex': function(aBitPosition) { + var result; + var bytePosition; + var bitPositionInSelectedByte; + var selectedByte; + var selectedByteMask; + + bytePosition = this.length() - Math.ceil((aBitPosition + 1)/ 8); + bitPositionInSelectedByte = aBitPosition % 8; + selectedByte = this.byteAtIndex(bytePosition); + + if (bitPositionInSelectedByte > 0) { + selectedByteMask = (1 << bitPositionInSelectedByte); + } else { + selectedByteMask = 1; + } + result = selectedByte & selectedByteMask ? 1 : 0; + + return result; + }, + + //------------------------------------------------------------------------- + + 'bitBlockAtIndexWithSize': function(aBitPosition, aSize) { + var result; + var bitValue; + var i,c; + + result = 0; + c = aSize; + for (i=0; i<c; i++) { + bitValue = this.bitAtIndex(aBitPosition + i); + result = result | bitValue << i; + } + + return result; + }, + + //------------------------------------------------------------------------- + + 'asString': function() { + var result; + var length; + var i; + + result = []; + + i = 0; + length = this.length(); + + while (i < length) { + var currentCharacter; + var currentByte; + var unicode; + + currentByte = this.byteAtIndex(i); + + if ((currentByte & 0x80) == 0x00 ) { // 0xxxxxxx + unicode = currentByte; + currentCharacter = String.fromCharCode(unicode); + } else if ((currentByte & 0xe0) == 0xc0 ) { // 110xxxxx 10xxxxxx + unicode = (currentByte & 0x1f) << 6; + i++; currentByte = this.byteAtIndex(i); + unicode = unicode | (currentByte & 0x3f); + + currentCharacter = String.fromCharCode(unicode); + } else if ((currentByte & 0xf0) == 0xe0 ) { // 1110xxxx 10xxxxxx 10xxxxxx + unicode = (currentByte & 0x0f) << (6+6); + i++; currentByte = this.byteAtIndex(i); + unicode = unicode | ((currentByte & 0x3f) << 6); + i++; currentByte = this.byteAtIndex(i); + unicode = unicode | (currentByte & 0x3f); + + currentCharacter = String.fromCharCode(unicode); + } else { // 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx + unicode = (currentByte & 0x07) << (6+6+6); + i++; currentByte = this.byteAtIndex(i); + unicode = unicode | ((currentByte & 0x3f) << (6+6)); + i++; currentByte = this.byteAtIndex(i); + unicode = unicode | ((currentByte & 0x3f) << 6); + i++; currentByte = this.byteAtIndex(i); + unicode = unicode | (currentByte & 0x3f); + + currentCharacter = String.fromCharCode(unicode); + } + + result.push(currentCharacter); + i++; + } + + return result.join(""); + }, + + //------------------------------------------------------------------------- + + 'toHexString': function() { + throw Clipperz.Base.exception.AbstractMethod; + }, + + //------------------------------------------------------------------------- + + 'base64map': "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/", + 'base64mapIndex': "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".split(''), + + //------------------------------------------------------------------------- + + 'appendBase64String': function(aValue) { + var i; + var length; + + length = aValue.length; + + if ((length % 4) != 0) { + Clipperz.logError("the value passed to the 'ByteArray.setBase64Value' is not correct"); + throw Clipperz.ByteArray.exception.InvalidValue; + } + + i = 0; + while (i<length) { + var value1, value2, value3, value4; + var byte1, byte2, byte3; + + value1 = this.base64map.indexOf(aValue.charAt(i)); + value2 = this.base64map.indexOf(aValue.charAt(i+1)); + value3 = this.base64map.indexOf(aValue.charAt(i+2)); + value4 = this.base64map.indexOf(aValue.charAt(i+3)); + + byte1 = (value1 << 2) | ((value2 & 0x30) >> 4); + if (value3 != -1) { + byte2 = ((value2 & 0x0f) << 4) | ((value3 & 0x3c) >> 2); + + if (value4 != -1) { + byte3 = ((value3 & 0x03) << 6) | (value4); + } else { + byte3 = null; + } + } else { + byte2 = null; + byte3 = null; + } + + this.appendByte(byte1); + this.appendByte(byte2); + this.appendByte(byte3); + + i += 4; + } + + return this; + }, + + //------------------------------------------------------------------------- + + 'toBase64String': function() { + var result; + var length; + var i; + var byte1, byte2, byte3; + var char1, char2, char3, char4; + + i = 0; + length = this.length(); + result = new Array(Math.ceil(length/3)); + + while (i < length) { + byte1 = this.byteAtIndex(i); + if ((i+2) < length) { + byte2 = this.byteAtIndex(i+1); + byte3 = this.byteAtIndex(i+2); + } else if ((i+2) == length) { + byte2 = this.byteAtIndex(i+1); + byte3 = null; + } else { + byte2 = null; + byte3 = null; + } + + char1 = this.base64mapIndex[byte1 >> 2]; + if (byte2 != null) { + char2 = this.base64mapIndex[((byte1 & 0x03) << 4) | ((byte2 & 0xf0) >> 4)]; + if (byte3 != null) { + char3 = this.base64mapIndex[((byte2 & 0x0f) << 2) | ((byte3 & 0xc0) >> 6)]; + char4 = this.base64mapIndex[(byte3 & 0x3f)]; + } else { + char3 = this.base64mapIndex[(byte2 & 0x0f) << 2]; + char4 = "="; + } + } else { + char2 = this.base64mapIndex[(byte1 & 0x03) << 4]; + char3 = "="; + char4 = "="; + } + + result.push(char1 + char2 + char3 + char4); + + i += 3; + } + + return result.join(""); + }, + + //------------------------------------------------------------------------- + + 'base32map': "0123456789abcdefghjkmnpqrstvwxyz", + 'base32mapIndex': "0123456789abcdefghjkmnpqrstvwxyz".split(''), + + //------------------------------------------------------------------------- + + 'appendBase32String': function(aValue) { + var value; + var i; + var length; + var value1, value2, value3, value4, value5, value6, value7, value8; + var byte1, byte2, byte3, byte4, byte5; + + value = aValue.toLowerCase(); + value = value.replace(/[\s\-]/g, ''); + value = value.replace(/[0o]/g, '0'); + value = value.replace(/[1il]/g, '1'); + + length = value.length; + + if ((length % 8) != 0) { + Clipperz.logError("the value passed to the 'ByteArray.setBase32Value' is not correct"); + throw Clipperz.ByteArray.exception.InvalidValue; + } + + i = 0; + while (i<length) { + value1 = this.base32map.indexOf(value.charAt(i)); + value2 = this.base32map.indexOf(value.charAt(i+1)); + value3 = this.base32map.indexOf(value.charAt(i+2)); + value4 = this.base32map.indexOf(value.charAt(i+3)); + value5 = this.base32map.indexOf(value.charAt(i+4)); + value6 = this.base32map.indexOf(value.charAt(i+5)); + value7 = this.base32map.indexOf(value.charAt(i+6)); + value8 = this.base32map.indexOf(value.charAt(i+7)); + + byte1 = byte2 = byte3 = byte4 = byte5 = null; + + byte1 = (value1 << 3) | ((value2 & 0x1c) >> 2); + if (value3 != -1) { + byte2 = ((value2 & 0x03) << 6) | (value3 << 1) | ((value4 & 0x10) >> 4); + if (value5 != -1) { + byte3 = ((value4 & 0x0f) << 4) | ((value5 & 0x1e) >> 1); + if (value6 != -1) { + byte4 = ((value5 & 0x01) << 7) | (value6 << 2) | ((value7 & 0x18) >> 3); + if (value8 != -1) { + byte5 = ((value7 & 0x07) << 5) | (value8); + } + } + } + } + + this.appendByte(byte1); + this.appendByte(byte2); + this.appendByte(byte3); + this.appendByte(byte4); + this.appendByte(byte5); + + i += 8; + } + + return this; + }, + + //------------------------------------------------------------------------- + + 'toBase32String': function() { + var result; + var length; + var i; + var byte1, byte2, byte3, byte4, byte5; + var char1, char2, char3, char4, char5, char6, char7, char8; + + i = 0; + length = this.length(); + result = new Array(Math.ceil(length/5)); + + while (i < length) { + byte1 = this.byteAtIndex(i); + + if ((i+4) < length) { + byte2 = this.byteAtIndex(i+1); + byte3 = this.byteAtIndex(i+2); + byte4 = this.byteAtIndex(i+3); + byte5 = this.byteAtIndex(i+4); + } else if ((i+4) == length) { + byte2 = this.byteAtIndex(i+1); + byte3 = this.byteAtIndex(i+2); + byte4 = this.byteAtIndex(i+3); + byte5 = null; + } else if ((i+3) == length) { + byte2 = this.byteAtIndex(i+1); + byte3 = this.byteAtIndex(i+2); + byte4 = null; + byte5 = null; + } else if ((i+2) == length) { + byte2 = this.byteAtIndex(i+1); + byte3 = null; + byte4 = null; + byte5 = null; + } else { + byte2 = null; + byte3 = null; + byte4 = null; + byte5 = null; + } + + + char1 = this.base32mapIndex[byte1 >> 3]; + char2 = char3 = char4 = char5 = char6 = char7 = char8 = "="; + + if (byte2 != null) { + char2 = this.base32mapIndex[((byte1 & 0x07) << 2) | ((byte2 & 0xc0) >> 6)]; + char3 = this.base32mapIndex[((byte2 & 0x3e) >> 1)]; + if (byte3 != null) { + char4 = this.base32mapIndex[((byte2 & 0x01) << 4) | ((byte3 & 0xf0) >> 4)]; + if (byte4 != null) { + char5 = this.base32mapIndex[((byte3 & 0x0f) << 1) | ((byte4 & 0x80) >> 7)]; + char6 = this.base32mapIndex[(byte4 & 0x7c) >> 2]; + if (byte5 != null) { + char7 = this.base32mapIndex[((byte4 & 0x03) << 3) | ((byte5 & 0xe0) >> 5)]; + char8 = this.base32mapIndex[(byte5 & 0x1f)]; + } else { + char7 = this.base32mapIndex[(byte4 & 0x03) << 3]; + } + } else { + char5 = this.base32mapIndex[(byte3 & 0x0f) << 1]; + } + + } else { + char4 = this.base32mapIndex[(byte2 & 0x01) << 4]; + } + } else { + char2 = this.base32mapIndex[(byte1 & 0x07) << 2]; + } + + result.push(char1 + char2 + char3 + char4 + char5 + char6 + char7 + char8); + i += 5; + } + + return result.join(""); + }, + + //------------------------------------------------------------------------- + + 'toBinaryString': function () { + var i, c; + var result; + + result = ''; + + c = this.length(); + for (i=0; i<c; i++) { + result += String.fromCharCode(this.byteAtIndex(i)); + } + + return result; + }, + + + //------------------------------------------------------------------------- + + 'split': function(aStartingIndex, anEndingIndex) { + throw Clipperz.Base.exception.AbstractMethod; + }, + + //------------------------------------------------------------------------- + + 'increment': function() { + var i; + var done; + + done = false; + i = this.length() - 1; + + while ((i>=0) && (done == false)) { + var currentByteValue; + + currentByteValue = this.byteAtIndex(i); + + if (currentByteValue == 0xff) { + this.setByteAtIndex(0, i); + if (i>= 0) { + i --; + } else { + done = true; + } + } else { + this.setByteAtIndex(currentByteValue + 1, i); + done = true; + } + } + }, + + //------------------------------------------------------------------------- + + 'arrayValues': function() { + throw Clipperz.Base.exception.AbstractMethod; + }, + + //------------------------------------------------------------------------- + __syntaxFix__: "syntax fix" + +}); + +//============================================================================= +// +// Clipperz.ByteArray_hex +// +//============================================================================= +/* +Clipperz.ByteArray_hex = function (args) { + this._value = ""; + + if (typeof(args) != 'undefined') { + if (args.constructor == Array) { + this.appendBytes(args); + } else if (args.constructor == String) { + if (args.indexOf("0x") == 0) { + var value; + + value = args.substring(2).toLowerCase(); + if (/[0123456789abcdef]* /.test(value)) { the space in the regexp shoud be removed if the code is activate + if ((value.length % 2) == 0) { + this._value = value; + } else { + this._value = "0" + value; + } + } else { +Clipperz.logError("Clipperz.ByteArray should be inizialized with an hex string."); + throw Clipperz.ByteArray.exception.InvalidValue; + } + } else { + var value; + var i,c; + + c = args.length; + value = new Array(c); + for (i=0; i<c; i++) { + value.push(Clipperz.ByteArray.unicodeToUtf8HexString(args.charCodeAt(i))); + } + + this._value = value.join(""); + } + } else { + this.appendBytes(MochiKit.Base.extend(null, arguments)); + } + } + return this; +} + +Clipperz.ByteArray_hex.prototype = MochiKit.Base.update(new Clipperz.ByteArray_abstract(), { + + //------------------------------------------------------------------------- + + 'toString': function() { + return "Clipperz.ByteArray_hex"; + }, + + //------------------------------------------------------------------------- + + 'clone': function() { + var result; + + result = this.newInstance(); + result._value = this._value; + + return result; + }, + + //------------------------------------------------------------------------- + + 'newInstance': function() { + return new Clipperz.ByteArray_hex(); + }, + + //------------------------------------------------------------------------- + + 'reset': function() { + this._value = ""; + }, + + //------------------------------------------------------------------------- + + 'length': function() { + return (this._value.length / 2); + }, + + //------------------------------------------------------------------------- + + 'appendBlock': function(aBlock) { + this._value = this._value += aBlock.toHexString().substring(2); + + return this; + }, + + //------------------------------------------------------------------------- + + 'appendByte': function(aValue) { + if (aValue != null) { + this.checkByteValue(aValue); + this._value += Clipperz.ByteArray.byteToHex(aValue); + } + + return this; + }, + + //------------------------------------------------------------------------- + + 'byteAtIndex': function(anIndex) { + return parseInt(this._value.substr(anIndex*2, 2), 16); + }, + + 'setByteAtIndex': function(aValue, anIndex) { + var missingBytes; + + this.checkByteValue(aValue); + + missingBytes = anIndex - this.length(); + + if (missingBytes < 0) { + var currentValue; + var firstCutIndex; + var secondCutIndex; + + firstCutIndex = anIndex * 2; + secondCutIndex = firstCutIndex + 2; + currentValue = this._value; + this._value = currentValue.substring(0, firstCutIndex) + + Clipperz.ByteArray.byteToHex(aValue) + + currentValue.substring(secondCutIndex); + } else if (missingBytes == 0) { + this.appendByte(aValue); + } else { + var i,c; + + c = missingBytes; + for (i=0; i<c; i++) { + this.appendByte(0); + } + + this.appendByte(aValue); + } + }, + + //------------------------------------------------------------------------- + + 'toHexString': function() { + return "0x" + this._value; + }, + + //------------------------------------------------------------------------- + + 'split': function(aStartingIndex, anEndingIndex) { + var result; + var startingIndex; + var endingIndex; + + result = this.newInstance(); + + startingIndex = aStartingIndex * 2; + if (typeof(anEndingIndex) != 'undefined') { + endingIndex = anEndingIndex * 2; + result._value = this._value.substring(startingIndex, endingIndex); + } else { + result._value = this._value.substring(startingIndex); + } + + return result; + }, + + //------------------------------------------------------------------------- + + 'arrayValues': function() { + var result; + var i,c; + + c = this.length(); + + result = new Array(c); + for (i=0; i<c; i++) { + result[i] = this.byteAtIndex(i); + } + + return result; + }, + + //------------------------------------------------------------------------- + __syntaxFix__: "syntax fix" +}); +*/ + +//============================================================================= +// +// Clipperz.ByteArray_array +// +//============================================================================= + +Clipperz.ByteArray_array = function (args) { + if (typeof(args) != 'undefined') { + if (args.constructor == Array) { + this._value = args.slice(0); + } else if (args.constructor == String) { + var result; + var value; + var i, c; + + if (args.indexOf("0x") == 0) { + + value = args.substring(2).toLowerCase(); + if (/[0123456789abcdef]*/.test(value)) { + if ((value.length % 2) != 0) { + value = "0" + value; + } + } else { + Clipperz.logError("Clipperz.ByteArray should be inizialized with an hex string."); + throw Clipperz.ByteArray.exception.InvalidValue; + } + + c = value.length / 2 + result = new Array(c); + for (i=0; i<c; i++) { + result[i] = parseInt(value.substr(i*2, 2), 16); + } + + } else { + var unicode; + result = []; + c = args.length; + for (i=0; i<c; i++) { +// Clipperz.ByteArray.pushUtf8BytesOfUnicodeChar(result, args.charCodeAt(i)); + + unicode = args.charCodeAt(i); + if (unicode <= 0x7f) { // 0x00000000 - 0x0000007f -> 0xxxxxxx + result.push(unicode); + // } else if ((unicode >= 0x80) && (unicode <= 0x7ff)) { // 0x00000080 - 0x000007ff -> 110xxxxx 10xxxxxx + } else if (unicode <= 0x7ff) { // 0x00000080 - 0x000007ff -> 110xxxxx 10xxxxxx + result.push((unicode >> 6) | 0xc0); + result.push((unicode & 0x3F) | 0x80); + // } else if ((unicode >= 0x0800) && (unicode <= 0xffff)) { // 0x00000800 - 0x0000ffff -> 1110xxxx 10xxxxxx 10xxxxxx + } else if (unicode <= 0xffff) { // 0x00000800 - 0x0000ffff -> 1110xxxx 10xxxxxx 10xxxxxx + result.push((unicode >> 12) | 0xe0); + result.push(((unicode >> 6) & 0x3f) | 0x80); + result.push((unicode & 0x3f) | 0x80); + } else { // 0x00010000 - 0x001fffff -> 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx + result.push((unicode >> 18) | 0xf0); + result.push(((unicode >> 12) & 0x3f) | 0x80); + result.push(((unicode >> 6) & 0x3f) | 0x80); + result.push((unicode & 0x3f) | 0x80); + } + } + } + + + this._value = result; + } else { + this._value = []; + this.appendBytes(MochiKit.Base.extend(null, arguments)); + } + } else { + this._value = []; + } + + return this; +} + +Clipperz.ByteArray_array.prototype = MochiKit.Base.update(new Clipperz.ByteArray_abstract(), { + + //------------------------------------------------------------------------- + + 'toString': function() { + return "Clipperz.ByteArray_array"; + }, + + //------------------------------------------------------------------------- + + 'clone': function() { + var result; + + result = this.newInstance(); + result.appendBytes(this._value); + + return result; + }, + + //------------------------------------------------------------------------- + + 'newInstance': function() { + return new Clipperz.ByteArray_array(); + }, + + //------------------------------------------------------------------------- + + 'reset': function() { + this._value = []; + }, + + //------------------------------------------------------------------------- + + 'length': function() { + return (this._value.length); + }, + + //------------------------------------------------------------------------- + + 'appendBlock': function(aBlock) { + MochiKit.Base.extend(this._value, aBlock._value); + + return this; + }, + + //------------------------------------------------------------------------- + + 'appendByte': function(aValue) { + if (aValue != null) { + this.checkByteValue(aValue); + this._value.push(aValue); + } + + return this; + }, + + //------------------------------------------------------------------------- + + 'byteAtIndex': function(anIndex) { + return this._value[anIndex]; + }, + + 'setByteAtIndex': function(aValue, anIndex) { + var missingBytes; + + this.checkByteValue(aValue); + + missingBytes = anIndex - this.length(); + + if (missingBytes < 0) { + this._value[anIndex] = aValue; + } else if (missingBytes == 0) { + this._value.push(aValue); + } else { + var i,c; + + c = missingBytes; + for (i=0; i<c; i++) { + this._value.push(0); + } + + this._value.push(aValue); + } + }, + + //------------------------------------------------------------------------- + + 'toHexString': function() { + var result; + var i, c; + + result = "0x"; + c = this.length(); + for (i=0; i<c; i++) { + result += Clipperz.ByteArray.byteToHex(this._value[i]); + } + + return result; + }, + + //------------------------------------------------------------------------- + + 'split': function(aStartingIndex, anEndingIndex) { + var result; + + result = this.newInstance(); + result._value = this._value.slice(aStartingIndex, anEndingIndex ? anEndingIndex : this.length()); + + return result; + }, + + //------------------------------------------------------------------------- + + 'arrayValues': function() { + return this._value.slice(0); + }, + + //------------------------------------------------------------------------- + __syntaxFix__: "syntax fix" +}); + + + + + +//============================================================================= +// +// Clipperz.ByteArray_string +// +//============================================================================= +/* +Clipperz.ByteArray_string = function (args) { + this._value = ""; + + if (typeof(args) != 'undefined') { + if (args.constructor == Array) { + this.appendBytes(args); + } else if (args.constructor == String) { + var result; + var value; + var i, c; + + if (args.indexOf("0x") == 0) { + + value = args.substring(2).toLowerCase(); + if (/[0123456789abcdef]* /.test(value)) { the space in the regexp shoud be removed if the code is activated + if ((value.length % 2) != 0) { + value = "0" + value; + } + } else { +Clipperz.logError("Clipperz.ByteArray should be inizialized with an hex string."); + throw Clipperz.ByteArray.exception.InvalidValue; + } + } else { + value = ""; + c = args.length; + for (i=0; i<c; i++) { + value += Clipperz.ByteArray.unicodeToUtf8HexString(args.charCodeAt(i)); + } + } + + c = value.length / 2 + for (i=0; i<c; i++) { + this.appendByte(parseInt(value.substr(i*2, 2), 16)); + } + } else { + this.appendBytes(MochiKit.Base.extend(null, arguments)); + } + } + + return this; +} + +Clipperz.ByteArray_string.prototype = MochiKit.Base.update(new Clipperz.ByteArray_abstract(), { + + //------------------------------------------------------------------------- + + 'toString': function() { + return "Clipperz.ByteArray_string"; + }, + + //------------------------------------------------------------------------- + + 'clone': function() { + var result; + + result = this.newInstance(); + result._value = this._value; + + return result; + }, + + //------------------------------------------------------------------------- + + 'newInstance': function() { + return new Clipperz.ByteArray_string(); + }, + + //------------------------------------------------------------------------- + + 'reset': function() { + this._value = ""; + }, + + //------------------------------------------------------------------------- + + 'length': function() { + return (this._value.length); + }, + + //------------------------------------------------------------------------- + + 'appendBlock': function(aBlock) { + this._value += aBlock._value; + + return this; + }, + + //------------------------------------------------------------------------- + + 'appendByte': function(aValue) { + if (aValue != null) { + this.checkByteValue(aValue); + this._value += String.fromCharCode(aValue); + } + + return this; + }, + + //------------------------------------------------------------------------- + + 'byteAtIndex': function(anIndex) { + return this._value.charCodeAt(anIndex); + }, + + 'setByteAtIndex': function(aValue, anIndex) { + var missingBytes; + + this.checkByteValue(aValue); + + missingBytes = anIndex - this.length(); + + if (missingBytes < 0) { + this._value = this._value.substring(0, anIndex) + String.fromCharCode(aValue) + this._value.substring(anIndex + 1); + } else if (missingBytes == 0) { + this.appendByte(aValue); + } else { + var i,c; + + c = missingBytes; + for (i=0; i<c; i++) { + this.appendByte(0); + } + + this.appendByte(aValue); + } + }, + + //------------------------------------------------------------------------- + + 'toHexString': function() { + var result; + var i, c; + + result = "0x"; + c = this.length(); + for (i=0; i<c; i++) { + result += Clipperz.ByteArray.byteToHex(this.byteAtIndex(i)); + } + + return result; + }, + + //------------------------------------------------------------------------- + + 'split': function(aStartingIndex, anEndingIndex) { + var result; + result = this.newInstance(); + result._value = this._value.substring(aStartingIndex, anEndingIndex ? anEndingIndex : this.length()); + + return result; + }, + + //------------------------------------------------------------------------- + + 'arrayValues': function() { + var result; + var i,c; + + c = this.length(); + + result = new Array(c); + for (i=0; i<c; i++) { + result[i] = this.byteAtIndex(i); + } + + return result; + }, + + //------------------------------------------------------------------------- + __syntaxFix__: "syntax fix" +}); +*/ + +//============================================================================= +// +// Clipperz.ByteArray +// +//============================================================================= + +Clipperz.ByteArray = Clipperz.ByteArray_array; +//Clipperz.ByteArray = Clipperz.ByteArray_string; +//Clipperz.ByteArray = Clipperz.ByteArray_hex; + +//############################################################################# + +Clipperz.ByteArray.byteToHex = function(aByte) { + return ((aByte < 16) ? "0" : "") + aByte.toString(16); +} + + +Clipperz.ByteArray.unicodeToUtf8HexString = function(aUnicode) { + var result; + var self; + + self = Clipperz.ByteArray; + + if (aUnicode <= 0x7f) { // 0x00000000 - 0x0000007f -> 0xxxxxxx + result = self.byteToHex(aUnicode); +// } else if ((aUnicode >= 0x80) && (aUnicode <= 0x7ff)) { // 0x00000080 - 0x000007ff -> 110xxxxx 10xxxxxx + } else if (aUnicode <= 0x7ff) { // 0x00000080 - 0x000007ff -> 110xxxxx 10xxxxxx + result = self.byteToHex((aUnicode >> 6) | 0xc0); + result += self.byteToHex((aUnicode & 0x3F) | 0x80); +// } else if ((aUnicode >= 0x0800) && (aUnicode <= 0xffff)) { // 0x00000800 - 0x0000ffff -> 1110xxxx 10xxxxxx 10xxxxxx + } else if (aUnicode <= 0xffff) { // 0x00000800 - 0x0000ffff -> 1110xxxx 10xxxxxx 10xxxxxx + result = self.byteToHex((aUnicode >> 12) | 0xe0); + result += self.byteToHex(((aUnicode >> 6) & 0x3f) | 0x80); + result += self.byteToHex((aUnicode & 0x3f) | 0x80); + } else { // 0x00010000 - 0x001fffff -> 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx + result = self.byteToHex((aUnicode >> 18) | 0xf0); + result += self.byteToHex(((aUnicode >> 12) & 0x3f) | 0x80); + result += self.byteToHex(((aUnicode >> 6) & 0x3f) | 0x80); + result += self.byteToHex((aUnicode & 0x3f) | 0x80); + } + + return result; +} + +Clipperz.ByteArray.pushUtf8BytesOfUnicodeChar = function(anArray, aUnicode) { + var self; + + self = Clipperz.ByteArray; + + if (aUnicode <= 0x7f) { // 0x00000000 - 0x0000007f -> 0xxxxxxx + anArray.push(aUnicode); +// } else if ((aUnicode >= 0x80) && (aUnicode <= 0x7ff)) { // 0x00000080 - 0x000007ff -> 110xxxxx 10xxxxxx + } else if (aUnicode <= 0x7ff) { // 0x00000080 - 0x000007ff -> 110xxxxx 10xxxxxx + anArray.push((aUnicode >> 6) | 0xc0); + anArray.push((aUnicode & 0x3F) | 0x80); +// } else if ((aUnicode >= 0x0800) && (aUnicode <= 0xffff)) { // 0x00000800 - 0x0000ffff -> 1110xxxx 10xxxxxx 10xxxxxx + } else if (aUnicode <= 0xffff) { // 0x00000800 - 0x0000ffff -> 1110xxxx 10xxxxxx 10xxxxxx + anArray.push((aUnicode >> 12) | 0xe0); + anArray.push(((aUnicode >> 6) & 0x3f) | 0x80); + anArray.push((aUnicode & 0x3f) | 0x80); + } else { // 0x00010000 - 0x001fffff -> 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx + anArray.push((aUnicode >> 18) | 0xf0); + anArray.push(((aUnicode >> 12) & 0x3f) | 0x80); + anArray.push(((aUnicode >> 6) & 0x3f) | 0x80); + anArray.push((aUnicode & 0x3f) | 0x80); + } +} + +Clipperz.ByteArray.prefixMatchingBits = function (aValue, bValue) { + var result; + var i,c; + + result = 0; + + c = Math.min(aValue.length(), bValue.length()); + i = 0; + while (i<c && (aValue.byteAtIndex(i) == bValue.byteAtIndex(i))) { + result += 8; + i++; + } + + if (i<c) { + var xorValue; + + xorValue = (aValue.byteAtIndex(i) ^ bValue.byteAtIndex(i)); + + if (xorValue >= 128) { + result += 0; + } else if (xorValue >= 64) { + result += 1; + } else if (xorValue >= 32) { + result += 2; + } else if (xorValue >= 16) { + result += 3; + } else if (xorValue >= 8) { + result += 4; + } else if (xorValue >= 4) { + result += 5; + } else if (xorValue >= 2) { + result += 6; + } else if (xorValue >= 1) { + result += 7; + } + } + + return result; +}; + +Clipperz.ByteArray.exception = { + InvalidValue: new MochiKit.Base.NamedError("Clipperz.ByteArray.exception.InvalidValue") +}; + +//############################################################################# + +Clipperz.ByteArrayIterator = function(args) { + args = args || {}; + + this._byteArray = args.byteArray; + this._blockSize = args.blockSize; + this._finalPadding = args.finalPadding || false; + + this._currentPosition = 0; + + return this; +} + +Clipperz.ByteArrayIterator.prototype = MochiKit.Base.update(null, { + + //------------------------------------------------------------------------- + + 'toString': function() { + return "Clipperz.ByteArrayIterator"; + }, + + //------------------------------------------------------------------------- + + 'blockSize': function() { + var result; + + result = this._blockSize; + + return result; + }, + + //------------------------------------------------------------------------- + + 'currentPosition': function() { + var result; + + result = this._currentPosition; + + return result; + }, + + //------------------------------------------------------------------------- + + 'byteArray': function() { + var result; + + result = this._byteArray; + + return result; + }, + + //------------------------------------------------------------------------- + + 'finalPadding': function() { + var result; + + result = this._finalPadding; + + return result; + }, + + //------------------------------------------------------------------------- + + 'nextBlock': function() { + var result; + var currentPosition; + var byteArrayLength; + + currentPosition = this._currentPosition; + byteArrayLength = this.byteArray().length(); + + if (currentPosition < byteArrayLength) { + var i,c; + + c = this.blockSize(); + result = new Array(c); + for (i=0; i<c; i++) { + if (currentPosition < byteArrayLength) { + result[i] = this.byteArray().byteAtIndex(currentPosition); + currentPosition++; + } else if (this.finalPadding() == true) { + result[i] = 0; + } + } + + this._currentPosition = currentPosition; + } else { + result = null; + } + + return result; + }, + + //------------------------------------------------------------------------- + + 'nextBlockArray': function() { + var result; + var nextBlock; + + nextBlock = this.nextBlock(); + + if (nextBlock != null) { + result = new Clipperz.ByteArray(nextBlock); + } else { + result = null; + } + + return result; + }, + + //----------------------------------------------------------------------------- + __syntaxFix__: "syntax fix" + +}); |