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| author | Kumar Priyansh <[email protected]> | 2020-01-03 18:34:23 +0530 |
|---|---|---|
| committer | Kumar Priyansh <[email protected]> | 2020-01-03 18:34:23 +0530 |
| commit | c3373becc9a1393b2e03c8cd6c154601481a60dd (patch) | |
| tree | a8a31f613aef864d8d481ed57dc2c97490dfd328 /cordova/node_modules/bplist-parser/bplistParser.js | |
| parent | 2917c8eda330a126b530dd83573670cbc98a4206 (diff) | |
| download | WeatherApp-c3373becc9a1393b2e03c8cd6c154601481a60dd.tar.xz WeatherApp-c3373becc9a1393b2e03c8cd6c154601481a60dd.zip | |
Rewriting the app from scratch with Swift 5
Diffstat (limited to 'cordova/node_modules/bplist-parser/bplistParser.js')
| -rwxr-xr-x | cordova/node_modules/bplist-parser/bplistParser.js | 357 |
1 files changed, 0 insertions, 357 deletions
diff --git a/cordova/node_modules/bplist-parser/bplistParser.js b/cordova/node_modules/bplist-parser/bplistParser.js deleted file mode 100755 index f8335bc..0000000 --- a/cordova/node_modules/bplist-parser/bplistParser.js +++ /dev/null @@ -1,357 +0,0 @@ -'use strict'; - -// adapted from http://code.google.com/p/plist/source/browse/trunk/src/com/dd/plist/BinaryPropertyListParser.java - -var fs = require('fs'); -var bigInt = require("big-integer"); -var debug = false; - -exports.maxObjectSize = 100 * 1000 * 1000; // 100Meg -exports.maxObjectCount = 32768; - -// EPOCH = new SimpleDateFormat("yyyy MM dd zzz").parse("2001 01 01 GMT").getTime(); -// ...but that's annoying in a static initializer because it can throw exceptions, ick. -// So we just hardcode the correct value. -var EPOCH = 978307200000; - -// UID object definition -var UID = exports.UID = function(id) { - this.UID = id; -} - -var parseFile = exports.parseFile = function (fileNameOrBuffer, callback) { - function tryParseBuffer(buffer) { - var err = null; - var result; - try { - result = parseBuffer(buffer); - } catch (ex) { - err = ex; - } - callback(err, result); - } - - if (Buffer.isBuffer(fileNameOrBuffer)) { - return tryParseBuffer(fileNameOrBuffer); - } else { - fs.readFile(fileNameOrBuffer, function (err, data) { - if (err) { return callback(err); } - tryParseBuffer(data); - }); - } -}; - -var parseBuffer = exports.parseBuffer = function (buffer) { - var result = {}; - - // check header - var header = buffer.slice(0, 'bplist'.length).toString('utf8'); - if (header !== 'bplist') { - throw new Error("Invalid binary plist. Expected 'bplist' at offset 0."); - } - - // Handle trailer, last 32 bytes of the file - var trailer = buffer.slice(buffer.length - 32, buffer.length); - // 6 null bytes (index 0 to 5) - var offsetSize = trailer.readUInt8(6); - if (debug) { - console.log("offsetSize: " + offsetSize); - } - var objectRefSize = trailer.readUInt8(7); - if (debug) { - console.log("objectRefSize: " + objectRefSize); - } - var numObjects = readUInt64BE(trailer, 8); - if (debug) { - console.log("numObjects: " + numObjects); - } - var topObject = readUInt64BE(trailer, 16); - if (debug) { - console.log("topObject: " + topObject); - } - var offsetTableOffset = readUInt64BE(trailer, 24); - if (debug) { - console.log("offsetTableOffset: " + offsetTableOffset); - } - - if (numObjects > exports.maxObjectCount) { - throw new Error("maxObjectCount exceeded"); - } - - // Handle offset table - var offsetTable = []; - - for (var i = 0; i < numObjects; i++) { - var offsetBytes = buffer.slice(offsetTableOffset + i * offsetSize, offsetTableOffset + (i + 1) * offsetSize); - offsetTable[i] = readUInt(offsetBytes, 0); - if (debug) { - console.log("Offset for Object #" + i + " is " + offsetTable[i] + " [" + offsetTable[i].toString(16) + "]"); - } - } - - // Parses an object inside the currently parsed binary property list. - // For the format specification check - // <a href="http://www.opensource.apple.com/source/CF/CF-635/CFBinaryPList.c"> - // Apple's binary property list parser implementation</a>. - function parseObject(tableOffset) { - var offset = offsetTable[tableOffset]; - var type = buffer[offset]; - var objType = (type & 0xF0) >> 4; //First 4 bits - var objInfo = (type & 0x0F); //Second 4 bits - switch (objType) { - case 0x0: - return parseSimple(); - case 0x1: - return parseInteger(); - case 0x8: - return parseUID(); - case 0x2: - return parseReal(); - case 0x3: - return parseDate(); - case 0x4: - return parseData(); - case 0x5: // ASCII - return parsePlistString(); - case 0x6: // UTF-16 - return parsePlistString(true); - case 0xA: - return parseArray(); - case 0xD: - return parseDictionary(); - default: - throw new Error("Unhandled type 0x" + objType.toString(16)); - } - - function parseSimple() { - //Simple - switch (objInfo) { - case 0x0: // null - return null; - case 0x8: // false - return false; - case 0x9: // true - return true; - case 0xF: // filler byte - return null; - default: - throw new Error("Unhandled simple type 0x" + objType.toString(16)); - } - } - - function bufferToHexString(buffer) { - var str = ''; - var i; - for (i = 0; i < buffer.length; i++) { - if (buffer[i] != 0x00) { - break; - } - } - for (; i < buffer.length; i++) { - var part = '00' + buffer[i].toString(16); - str += part.substr(part.length - 2); - } - return str; - } - - function parseInteger() { - var length = Math.pow(2, objInfo); - if (length > 4) { - var data = buffer.slice(offset + 1, offset + 1 + length); - var str = bufferToHexString(data); - return bigInt(str, 16); - } if (length < exports.maxObjectSize) { - return readUInt(buffer.slice(offset + 1, offset + 1 + length)); - } else { - throw new Error("To little heap space available! Wanted to read " + length + " bytes, but only " + exports.maxObjectSize + " are available."); - } - } - - function parseUID() { - var length = objInfo + 1; - if (length < exports.maxObjectSize) { - return new UID(readUInt(buffer.slice(offset + 1, offset + 1 + length))); - } else { - throw new Error("To little heap space available! Wanted to read " + length + " bytes, but only " + exports.maxObjectSize + " are available."); - } - } - - function parseReal() { - var length = Math.pow(2, objInfo); - if (length < exports.maxObjectSize) { - var realBuffer = buffer.slice(offset + 1, offset + 1 + length); - if (length === 4) { - return realBuffer.readFloatBE(0); - } - else if (length === 8) { - return realBuffer.readDoubleBE(0); - } - } else { - throw new Error("To little heap space available! Wanted to read " + length + " bytes, but only " + exports.maxObjectSize + " are available."); - } - } - - function parseDate() { - if (objInfo != 0x3) { - console.error("Unknown date type :" + objInfo + ". Parsing anyway..."); - } - var dateBuffer = buffer.slice(offset + 1, offset + 9); - return new Date(EPOCH + (1000 * dateBuffer.readDoubleBE(0))); - } - - function parseData() { - var dataoffset = 1; - var length = objInfo; - if (objInfo == 0xF) { - var int_type = buffer[offset + 1]; - var intType = (int_type & 0xF0) / 0x10; - if (intType != 0x1) { - console.error("0x4: UNEXPECTED LENGTH-INT TYPE! " + intType); - } - var intInfo = int_type & 0x0F; - var intLength = Math.pow(2, intInfo); - dataoffset = 2 + intLength; - if (intLength < 3) { - length = readUInt(buffer.slice(offset + 2, offset + 2 + intLength)); - } else { - length = readUInt(buffer.slice(offset + 2, offset + 2 + intLength)); - } - } - if (length < exports.maxObjectSize) { - return buffer.slice(offset + dataoffset, offset + dataoffset + length); - } else { - throw new Error("To little heap space available! Wanted to read " + length + " bytes, but only " + exports.maxObjectSize + " are available."); - } - } - - function parsePlistString (isUtf16) { - isUtf16 = isUtf16 || 0; - var enc = "utf8"; - var length = objInfo; - var stroffset = 1; - if (objInfo == 0xF) { - var int_type = buffer[offset + 1]; - var intType = (int_type & 0xF0) / 0x10; - if (intType != 0x1) { - console.err("UNEXPECTED LENGTH-INT TYPE! " + intType); - } - var intInfo = int_type & 0x0F; - var intLength = Math.pow(2, intInfo); - var stroffset = 2 + intLength; - if (intLength < 3) { - length = readUInt(buffer.slice(offset + 2, offset + 2 + intLength)); - } else { - length = readUInt(buffer.slice(offset + 2, offset + 2 + intLength)); - } - } - // length is String length -> to get byte length multiply by 2, as 1 character takes 2 bytes in UTF-16 - length *= (isUtf16 + 1); - if (length < exports.maxObjectSize) { - var plistString = new Buffer(buffer.slice(offset + stroffset, offset + stroffset + length)); - if (isUtf16) { - plistString = swapBytes(plistString); - enc = "ucs2"; - } - return plistString.toString(enc); - } else { - throw new Error("To little heap space available! Wanted to read " + length + " bytes, but only " + exports.maxObjectSize + " are available."); - } - } - - function parseArray() { - var length = objInfo; - var arrayoffset = 1; - if (objInfo == 0xF) { - var int_type = buffer[offset + 1]; - var intType = (int_type & 0xF0) / 0x10; - if (intType != 0x1) { - console.error("0xa: UNEXPECTED LENGTH-INT TYPE! " + intType); - } - var intInfo = int_type & 0x0F; - var intLength = Math.pow(2, intInfo); - arrayoffset = 2 + intLength; - if (intLength < 3) { - length = readUInt(buffer.slice(offset + 2, offset + 2 + intLength)); - } else { - length = readUInt(buffer.slice(offset + 2, offset + 2 + intLength)); - } - } - if (length * objectRefSize > exports.maxObjectSize) { - throw new Error("To little heap space available!"); - } - var array = []; - for (var i = 0; i < length; i++) { - var objRef = readUInt(buffer.slice(offset + arrayoffset + i * objectRefSize, offset + arrayoffset + (i + 1) * objectRefSize)); - array[i] = parseObject(objRef); - } - return array; - } - - function parseDictionary() { - var length = objInfo; - var dictoffset = 1; - if (objInfo == 0xF) { - var int_type = buffer[offset + 1]; - var intType = (int_type & 0xF0) / 0x10; - if (intType != 0x1) { - console.error("0xD: UNEXPECTED LENGTH-INT TYPE! " + intType); - } - var intInfo = int_type & 0x0F; - var intLength = Math.pow(2, intInfo); - dictoffset = 2 + intLength; - if (intLength < 3) { - length = readUInt(buffer.slice(offset + 2, offset + 2 + intLength)); - } else { - length = readUInt(buffer.slice(offset + 2, offset + 2 + intLength)); - } - } - if (length * 2 * objectRefSize > exports.maxObjectSize) { - throw new Error("To little heap space available!"); - } - if (debug) { - console.log("Parsing dictionary #" + tableOffset); - } - var dict = {}; - for (var i = 0; i < length; i++) { - var keyRef = readUInt(buffer.slice(offset + dictoffset + i * objectRefSize, offset + dictoffset + (i + 1) * objectRefSize)); - var valRef = readUInt(buffer.slice(offset + dictoffset + (length * objectRefSize) + i * objectRefSize, offset + dictoffset + (length * objectRefSize) + (i + 1) * objectRefSize)); - var key = parseObject(keyRef); - var val = parseObject(valRef); - if (debug) { - console.log(" DICT #" + tableOffset + ": Mapped " + key + " to " + val); - } - dict[key] = val; - } - return dict; - } - } - - return [ parseObject(topObject) ]; -}; - -function readUInt(buffer, start) { - start = start || 0; - - var l = 0; - for (var i = start; i < buffer.length; i++) { - l <<= 8; - l |= buffer[i] & 0xFF; - } - return l; -} - -// we're just going to toss the high order bits because javascript doesn't have 64-bit ints -function readUInt64BE(buffer, start) { - var data = buffer.slice(start, start + 8); - return data.readUInt32BE(4, 8); -} - -function swapBytes(buffer) { - var len = buffer.length; - for (var i = 0; i < len; i += 2) { - var a = buffer[i]; - buffer[i] = buffer[i+1]; - buffer[i+1] = a; - } - return buffer; -} |
