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-rw-r--r--vnfmarket/src/main/webapp/vnfmarket/node_modules/yauzl/index.js626
1 files changed, 0 insertions, 626 deletions
diff --git a/vnfmarket/src/main/webapp/vnfmarket/node_modules/yauzl/index.js b/vnfmarket/src/main/webapp/vnfmarket/node_modules/yauzl/index.js
deleted file mode 100644
index 573c3370..00000000
--- a/vnfmarket/src/main/webapp/vnfmarket/node_modules/yauzl/index.js
+++ /dev/null
@@ -1,626 +0,0 @@
-var fs = require("fs");
-var zlib = require("zlib");
-var fd_slicer = require("fd-slicer");
-var util = require("util");
-var EventEmitter = require("events").EventEmitter;
-var Transform = require("stream").Transform;
-var PassThrough = require("stream").PassThrough;
-var Writable = require("stream").Writable;
-
-exports.open = open;
-exports.fromFd = fromFd;
-exports.fromBuffer = fromBuffer;
-exports.fromRandomAccessReader = fromRandomAccessReader;
-exports.dosDateTimeToDate = dosDateTimeToDate;
-exports.ZipFile = ZipFile;
-exports.Entry = Entry;
-exports.RandomAccessReader = RandomAccessReader;
-
-function open(path, options, callback) {
- if (typeof options === "function") {
- callback = options;
- options = null;
- }
- if (options == null) options = {};
- if (options.autoClose == null) options.autoClose = true;
- if (options.lazyEntries == null) options.lazyEntries = false;
- if (callback == null) callback = defaultCallback;
- fs.open(path, "r", function(err, fd) {
- if (err) return callback(err);
- fromFd(fd, options, function(err, zipfile) {
- if (err) fs.close(fd, defaultCallback);
- callback(err, zipfile);
- });
- });
-}
-
-function fromFd(fd, options, callback) {
- if (typeof options === "function") {
- callback = options;
- options = null;
- }
- if (options == null) options = {};
- if (options.autoClose == null) options.autoClose = false;
- if (options.lazyEntries == null) options.lazyEntries = false;
- if (callback == null) callback = defaultCallback;
- fs.fstat(fd, function(err, stats) {
- if (err) return callback(err);
- var reader = fd_slicer.createFromFd(fd, {autoClose: true});
- fromRandomAccessReader(reader, stats.size, options, callback);
- });
-}
-
-function fromBuffer(buffer, options, callback) {
- if (typeof options === "function") {
- callback = options;
- options = null;
- }
- if (options == null) options = {};
- options.autoClose = false;
- if (options.lazyEntries == null) options.lazyEntries = false;
- // i got your open file right here.
- var reader = fd_slicer.createFromBuffer(buffer);
- fromRandomAccessReader(reader, buffer.length, options, callback);
-}
-
-function fromRandomAccessReader(reader, totalSize, options, callback) {
- if (typeof options === "function") {
- callback = options;
- options = null;
- }
- if (options == null) options = {};
- if (options.autoClose == null) options.autoClose = true;
- if (options.lazyEntries == null) options.lazyEntries = false;
- if (callback == null) callback = defaultCallback;
- if (typeof totalSize !== "number") throw new Error("expected totalSize parameter to be a number");
- if (totalSize > Number.MAX_SAFE_INTEGER) {
- throw new Error("zip file too large. only file sizes up to 2^52 are supported due to JavaScript's Number type being an IEEE 754 double.");
- }
-
- // the matching unref() call is in zipfile.close()
- reader.ref();
-
- // eocdr means End of Central Directory Record.
- // search backwards for the eocdr signature.
- // the last field of the eocdr is a variable-length comment.
- // the comment size is encoded in a 2-byte field in the eocdr, which we can't find without trudging backwards through the comment to find it.
- // as a consequence of this design decision, it's possible to have ambiguous zip file metadata if a coherent eocdr was in the comment.
- // we search backwards for a eocdr signature, and hope that whoever made the zip file was smart enough to forbid the eocdr signature in the comment.
- var eocdrWithoutCommentSize = 22;
- var maxCommentSize = 0x10000; // 2-byte size
- var bufferSize = Math.min(eocdrWithoutCommentSize + maxCommentSize, totalSize);
- var buffer = new Buffer(bufferSize);
- var bufferReadStart = totalSize - buffer.length;
- readAndAssertNoEof(reader, buffer, 0, bufferSize, bufferReadStart, function(err) {
- if (err) return callback(err);
- for (var i = bufferSize - eocdrWithoutCommentSize; i >= 0; i -= 1) {
- if (buffer.readUInt32LE(i) !== 0x06054b50) continue;
- // found eocdr
- var eocdrBuffer = buffer.slice(i);
-
- // 0 - End of central directory signature = 0x06054b50
- // 4 - Number of this disk
- var diskNumber = eocdrBuffer.readUInt16LE(4);
- if (diskNumber !== 0) return callback(new Error("multi-disk zip files are not supported: found disk number: " + diskNumber));
- // 6 - Disk where central directory starts
- // 8 - Number of central directory records on this disk
- // 10 - Total number of central directory records
- var entryCount = eocdrBuffer.readUInt16LE(10);
- // 12 - Size of central directory (bytes)
- // 16 - Offset of start of central directory, relative to start of archive
- var centralDirectoryOffset = eocdrBuffer.readUInt32LE(16);
- // 20 - Comment length
- var commentLength = eocdrBuffer.readUInt16LE(20);
- var expectedCommentLength = eocdrBuffer.length - eocdrWithoutCommentSize;
- if (commentLength !== expectedCommentLength) {
- return callback(new Error("invalid comment length. expected: " + expectedCommentLength + ". found: " + commentLength));
- }
- // 22 - Comment
- // the encoding is always cp437.
- var comment = bufferToString(eocdrBuffer, 22, eocdrBuffer.length, false);
-
- if (!(entryCount === 0xffff || centralDirectoryOffset === 0xffffffff)) {
- return callback(null, new ZipFile(reader, centralDirectoryOffset, totalSize, entryCount, comment, options.autoClose, options.lazyEntries));
- }
-
- // ZIP64 format
-
- // ZIP64 Zip64 end of central directory locator
- var zip64EocdlBuffer = new Buffer(20);
- var zip64EocdlOffset = bufferReadStart + i - zip64EocdlBuffer.length;
- readAndAssertNoEof(reader, zip64EocdlBuffer, 0, zip64EocdlBuffer.length, zip64EocdlOffset, function(err) {
- if (err) return callback(err);
-
- // 0 - zip64 end of central dir locator signature = 0x07064b50
- if (zip64EocdlBuffer.readUInt32LE(0) !== 0x07064b50) {
- return callback(new Error("invalid ZIP64 End of Central Directory Locator signature"));
- }
- // 4 - number of the disk with the start of the zip64 end of central directory
- // 8 - relative offset of the zip64 end of central directory record
- var zip64EocdrOffset = readUInt64LE(zip64EocdlBuffer, 8);
- // 16 - total number of disks
-
- // ZIP64 end of central directory record
- var zip64EocdrBuffer = new Buffer(56);
- readAndAssertNoEof(reader, zip64EocdrBuffer, 0, zip64EocdrBuffer.length, zip64EocdrOffset, function(err) {
- if (err) return callback(err);
-
- // 0 - zip64 end of central dir signature 4 bytes (0x06064b50)
- if (zip64EocdrBuffer.readUInt32LE(0) !== 0x06064b50) return callback(new Error("invalid ZIP64 end of central directory record signature"));
- // 4 - size of zip64 end of central directory record 8 bytes
- // 12 - version made by 2 bytes
- // 14 - version needed to extract 2 bytes
- // 16 - number of this disk 4 bytes
- // 20 - number of the disk with the start of the central directory 4 bytes
- // 24 - total number of entries in the central directory on this disk 8 bytes
- // 32 - total number of entries in the central directory 8 bytes
- entryCount = readUInt64LE(zip64EocdrBuffer, 32);
- // 40 - size of the central directory 8 bytes
- // 48 - offset of start of central directory with respect to the starting disk number 8 bytes
- centralDirectoryOffset = readUInt64LE(zip64EocdrBuffer, 48);
- // 56 - zip64 extensible data sector (variable size)
- return callback(null, new ZipFile(reader, centralDirectoryOffset, totalSize, entryCount, comment, options.autoClose, options.lazyEntries));
- });
- });
- return;
- }
- callback(new Error("end of central directory record signature not found"));
- });
-}
-
-util.inherits(ZipFile, EventEmitter);
-function ZipFile(reader, centralDirectoryOffset, fileSize, entryCount, comment, autoClose, lazyEntries) {
- var self = this;
- EventEmitter.call(self);
- self.reader = reader;
- // forward close events
- self.reader.on("error", function(err) {
- // error closing the fd
- emitError(self, err);
- });
- self.reader.once("close", function() {
- self.emit("close");
- });
- self.readEntryCursor = centralDirectoryOffset;
- self.fileSize = fileSize;
- self.entryCount = entryCount;
- self.comment = comment;
- self.entriesRead = 0;
- self.autoClose = !!autoClose;
- self.lazyEntries = !!lazyEntries;
- self.isOpen = true;
- self.emittedError = false;
-
- if (!self.lazyEntries) self.readEntry();
-}
-ZipFile.prototype.close = function() {
- if (!this.isOpen) return;
- this.isOpen = false;
- this.reader.unref();
-};
-
-function emitErrorAndAutoClose(self, err) {
- if (self.autoClose) self.close();
- emitError(self, err);
-}
-function emitError(self, err) {
- if (self.emittedError) return;
- self.emittedError = true;
- self.emit("error", err);
-}
-
-ZipFile.prototype.readEntry = function() {
- var self = this;
- if (self.entryCount === self.entriesRead) {
- // done with metadata
- setImmediate(function() {
- if (self.autoClose) self.close();
- if (self.emittedError) return;
- self.emit("end");
- });
- return;
- }
- if (self.emittedError) return;
- var buffer = new Buffer(46);
- readAndAssertNoEof(self.reader, buffer, 0, buffer.length, self.readEntryCursor, function(err) {
- if (err) return emitErrorAndAutoClose(self, err);
- if (self.emittedError) return;
- var entry = new Entry();
- // 0 - Central directory file header signature
- var signature = buffer.readUInt32LE(0);
- if (signature !== 0x02014b50) return emitErrorAndAutoClose(self, new Error("invalid central directory file header signature: 0x" + signature.toString(16)));
- // 4 - Version made by
- entry.versionMadeBy = buffer.readUInt16LE(4);
- // 6 - Version needed to extract (minimum)
- entry.versionNeededToExtract = buffer.readUInt16LE(6);
- // 8 - General purpose bit flag
- entry.generalPurposeBitFlag = buffer.readUInt16LE(8);
- // 10 - Compression method
- entry.compressionMethod = buffer.readUInt16LE(10);
- // 12 - File last modification time
- entry.lastModFileTime = buffer.readUInt16LE(12);
- // 14 - File last modification date
- entry.lastModFileDate = buffer.readUInt16LE(14);
- // 16 - CRC-32
- entry.crc32 = buffer.readUInt32LE(16);
- // 20 - Compressed size
- entry.compressedSize = buffer.readUInt32LE(20);
- // 24 - Uncompressed size
- entry.uncompressedSize = buffer.readUInt32LE(24);
- // 28 - File name length (n)
- entry.fileNameLength = buffer.readUInt16LE(28);
- // 30 - Extra field length (m)
- entry.extraFieldLength = buffer.readUInt16LE(30);
- // 32 - File comment length (k)
- entry.fileCommentLength = buffer.readUInt16LE(32);
- // 34 - Disk number where file starts
- // 36 - Internal file attributes
- entry.internalFileAttributes = buffer.readUInt16LE(36);
- // 38 - External file attributes
- entry.externalFileAttributes = buffer.readUInt32LE(38);
- // 42 - Relative offset of local file header
- entry.relativeOffsetOfLocalHeader = buffer.readUInt32LE(42);
-
- self.readEntryCursor += 46;
-
- buffer = new Buffer(entry.fileNameLength + entry.extraFieldLength + entry.fileCommentLength);
- readAndAssertNoEof(self.reader, buffer, 0, buffer.length, self.readEntryCursor, function(err) {
- if (err) return emitErrorAndAutoClose(self, err);
- if (self.emittedError) return;
- // 46 - File name
- var isUtf8 = entry.generalPurposeBitFlag & 0x800
- try {
- entry.fileName = bufferToString(buffer, 0, entry.fileNameLength, isUtf8);
- } catch (e) {
- return emitErrorAndAutoClose(self, e);
- }
-
- // 46+n - Extra field
- var fileCommentStart = entry.fileNameLength + entry.extraFieldLength;
- var extraFieldBuffer = buffer.slice(entry.fileNameLength, fileCommentStart);
- entry.extraFields = [];
- var i = 0;
- while (i < extraFieldBuffer.length) {
- var headerId = extraFieldBuffer.readUInt16LE(i + 0);
- var dataSize = extraFieldBuffer.readUInt16LE(i + 2);
- var dataStart = i + 4;
- var dataEnd = dataStart + dataSize;
- var dataBuffer = new Buffer(dataSize);
- extraFieldBuffer.copy(dataBuffer, 0, dataStart, dataEnd);
- entry.extraFields.push({
- id: headerId,
- data: dataBuffer,
- });
- i = dataEnd;
- }
-
- // 46+n+m - File comment
- try {
- entry.fileComment = bufferToString(buffer, fileCommentStart, fileCommentStart + entry.fileCommentLength, isUtf8);
- } catch (e) {
- return emitErrorAndAutoClose(self, e);
- }
-
- self.readEntryCursor += buffer.length;
- self.entriesRead += 1;
-
- if (entry.uncompressedSize === 0xffffffff ||
- entry.compressedSize === 0xffffffff ||
- entry.relativeOffsetOfLocalHeader === 0xffffffff) {
- // ZIP64 format
- // find the Zip64 Extended Information Extra Field
- var zip64EiefBuffer = null;
- for (var i = 0; i < entry.extraFields.length; i++) {
- var extraField = entry.extraFields[i];
- if (extraField.id === 0x0001) {
- zip64EiefBuffer = extraField.data;
- break;
- }
- }
- if (zip64EiefBuffer == null) return emitErrorAndAutoClose(self, new Error("expected Zip64 Extended Information Extra Field"));
- var index = 0;
- // 0 - Original Size 8 bytes
- if (entry.uncompressedSize === 0xffffffff) {
- if (index + 8 > zip64EiefBuffer.length) return emitErrorAndAutoClose(self, new Error("Zip64 Extended Information Extra Field does not include Original Size"));
- entry.uncompressedSize = readUInt64LE(zip64EiefBuffer, index);
- index += 8;
- }
- // 8 - Compressed Size 8 bytes
- if (entry.compressedSize === 0xffffffff) {
- if (index + 8 > zip64EiefBuffer.length) return emitErrorAndAutoClose(self, new Error("Zip64 Extended Information Extra Field does not include Compressed Size"));
- entry.compressedSize = readUInt64LE(zip64EiefBuffer, index);
- index += 8;
- }
- // 16 - Relative Header Offset 8 bytes
- if (entry.relativeOffsetOfLocalHeader === 0xffffffff) {
- if (index + 8 > zip64EiefBuffer.length) return emitErrorAndAutoClose(self, new Error("Zip64 Extended Information Extra Field does not include Relative Header Offset"));
- entry.relativeOffsetOfLocalHeader = readUInt64LE(zip64EiefBuffer, index);
- index += 8;
- }
- // 24 - Disk Start Number 4 bytes
- }
-
- // validate file size
- if (entry.compressionMethod === 0) {
- if (entry.compressedSize !== entry.uncompressedSize) {
- var msg = "compressed/uncompressed size mismatch for stored file: " + entry.compressedSize + " != " + entry.uncompressedSize;
- return emitErrorAndAutoClose(self, new Error(msg));
- }
- }
-
- // validate file name
- if (entry.fileName.indexOf("\\") !== -1) return emitErrorAndAutoClose(self, new Error("invalid characters in fileName: " + entry.fileName));
- if (/^[a-zA-Z]:/.test(entry.fileName) || /^\//.test(entry.fileName)) return emitErrorAndAutoClose(self, new Error("absolute path: " + entry.fileName));
- if (entry.fileName.split("/").indexOf("..") !== -1) return emitErrorAndAutoClose(self, new Error("invalid relative path: " + entry.fileName));
- self.emit("entry", entry);
-
- if (!self.lazyEntries) self.readEntry();
- });
- });
-};
-
-ZipFile.prototype.openReadStream = function(entry, callback) {
- var self = this;
- if (!self.isOpen) return callback(new Error("closed"));
- // make sure we don't lose the fd before we open the actual read stream
- self.reader.ref();
- var buffer = new Buffer(30);
- readAndAssertNoEof(self.reader, buffer, 0, buffer.length, entry.relativeOffsetOfLocalHeader, function(err) {
- try {
- if (err) return callback(err);
- // 0 - Local file header signature = 0x04034b50
- var signature = buffer.readUInt32LE(0);
- if (signature !== 0x04034b50) return callback(new Error("invalid local file header signature: 0x" + signature.toString(16)));
- // all this should be redundant
- // 4 - Version needed to extract (minimum)
- // 6 - General purpose bit flag
- // 8 - Compression method
- // 10 - File last modification time
- // 12 - File last modification date
- // 14 - CRC-32
- // 18 - Compressed size
- // 22 - Uncompressed size
- // 26 - File name length (n)
- var fileNameLength = buffer.readUInt16LE(26);
- // 28 - Extra field length (m)
- var extraFieldLength = buffer.readUInt16LE(28);
- // 30 - File name
- // 30+n - Extra field
- var localFileHeaderEnd = entry.relativeOffsetOfLocalHeader + buffer.length + fileNameLength + extraFieldLength;
- var compressed;
- if (entry.compressionMethod === 0) {
- // 0 - The file is stored (no compression)
- compressed = false;
- } else if (entry.compressionMethod === 8) {
- // 8 - The file is Deflated
- compressed = true;
- } else {
- return callback(new Error("unsupported compression method: " + entry.compressionMethod));
- }
- var fileDataStart = localFileHeaderEnd;
- var fileDataEnd = fileDataStart + entry.compressedSize;
- if (entry.compressedSize !== 0) {
- // bounds check now, because the read streams will probably not complain loud enough.
- // since we're dealing with an unsigned offset plus an unsigned size,
- // we only have 1 thing to check for.
- if (fileDataEnd > self.fileSize) {
- return callback(new Error("file data overflows file bounds: " +
- fileDataStart + " + " + entry.compressedSize + " > " + self.fileSize));
- }
- }
- var readStream = self.reader.createReadStream({start: fileDataStart, end: fileDataEnd});
- var endpointStream = readStream;
- if (compressed) {
- var destroyed = false;
- var inflateFilter = zlib.createInflateRaw();
- readStream.on("error", function(err) {
- // setImmediate here because errors can be emitted during the first call to pipe()
- setImmediate(function() {
- if (!destroyed) inflateFilter.emit("error", err);
- });
- });
-
- var checkerStream = new AssertByteCountStream(entry.uncompressedSize);
- inflateFilter.on("error", function(err) {
- // forward zlib errors to the client-visible stream
- setImmediate(function() {
- if (!destroyed) checkerStream.emit("error", err);
- });
- });
- checkerStream.destroy = function() {
- destroyed = true;
- inflateFilter.unpipe(checkerStream);
- readStream.unpipe(inflateFilter);
- // TODO: the inflateFilter now causes a memory leak. see Issue #27.
- readStream.destroy();
- };
- endpointStream = readStream.pipe(inflateFilter).pipe(checkerStream);
- }
- callback(null, endpointStream);
- } finally {
- self.reader.unref();
- }
- });
-};
-
-function Entry() {
-}
-Entry.prototype.getLastModDate = function() {
- return dosDateTimeToDate(this.lastModFileDate, this.lastModFileTime);
-};
-
-function dosDateTimeToDate(date, time) {
- var day = date & 0x1f; // 1-31
- var month = (date >> 5 & 0xf) - 1; // 1-12, 0-11
- var year = (date >> 9 & 0x7f) + 1980; // 0-128, 1980-2108
-
- var millisecond = 0;
- var second = (time & 0x1f) * 2; // 0-29, 0-58 (even numbers)
- var minute = time >> 5 & 0x3f; // 0-59
- var hour = time >> 11 & 0x1f; // 0-23
-
- return new Date(year, month, day, hour, minute, second, millisecond);
-}
-
-function readAndAssertNoEof(reader, buffer, offset, length, position, callback) {
- if (length === 0) {
- // fs.read will throw an out-of-bounds error if you try to read 0 bytes from a 0 byte file
- return setImmediate(function() { callback(null, new Buffer(0)); });
- }
- reader.read(buffer, offset, length, position, function(err, bytesRead) {
- if (err) return callback(err);
- if (bytesRead < length) return callback(new Error("unexpected EOF"));
- callback();
- });
-}
-
-util.inherits(AssertByteCountStream, Transform);
-function AssertByteCountStream(byteCount) {
- Transform.call(this);
- this.actualByteCount = 0;
- this.expectedByteCount = byteCount;
-}
-AssertByteCountStream.prototype._transform = function(chunk, encoding, cb) {
- this.actualByteCount += chunk.length;
- if (this.actualByteCount > this.expectedByteCount) {
- var msg = "too many bytes in the stream. expected " + this.expectedByteCount + ". got at least " + this.actualByteCount;
- return cb(new Error(msg));
- }
- cb(null, chunk);
-};
-AssertByteCountStream.prototype._flush = function(cb) {
- if (this.actualByteCount < this.expectedByteCount) {
- var msg = "not enough bytes in the stream. expected " + this.expectedByteCount + ". got only " + this.actualByteCount;
- return cb(new Error(msg));
- }
- cb();
-};
-
-util.inherits(RandomAccessReader, EventEmitter);
-function RandomAccessReader() {
- EventEmitter.call(this);
- this.refCount = 0;
-}
-RandomAccessReader.prototype.ref = function() {
- this.refCount += 1;
-};
-RandomAccessReader.prototype.unref = function() {
- var self = this;
- self.refCount -= 1;
-
- if (self.refCount > 0) return;
- if (self.refCount < 0) throw new Error("invalid unref");
-
- self.close(onCloseDone);
-
- function onCloseDone(err) {
- if (err) return self.emit('error', err);
- self.emit('close');
- }
-};
-RandomAccessReader.prototype.createReadStream = function(options) {
- var start = options.start;
- var end = options.end;
- if (start === end) {
- var emptyStream = new PassThrough();
- setImmediate(function() {
- emptyStream.end();
- });
- return emptyStream;
- }
- var stream = this._readStreamForRange(start, end);
-
- var destroyed = false;
- var refUnrefFilter = new RefUnrefFilter(this);
- stream.on("error", function(err) {
- setImmediate(function() {
- if (!destroyed) refUnrefFilter.emit("error", err);
- });
- });
- refUnrefFilter.destroy = function() {
- stream.unpipe(refUnrefFilter);
- refUnrefFilter.unref();
- stream.destroy();
- };
-
- var byteCounter = new AssertByteCountStream(end - start);
- refUnrefFilter.on("error", function(err) {
- setImmediate(function() {
- if (!destroyed) byteCounter.emit("error", err);
- });
- });
- byteCounter.destroy = function() {
- destroyed = true;
- refUnrefFilter.unpipe(byteCounter);
- refUnrefFilter.destroy();
- };
-
- return stream.pipe(refUnrefFilter).pipe(byteCounter);
-};
-RandomAccessReader.prototype._readStreamForRange = function(start, end) {
- throw new Error("not implemented");
-};
-RandomAccessReader.prototype.read = function(buffer, offset, length, position, callback) {
- var readStream = this.createReadStream({start: position, end: position + length});
- var writeStream = new Writable();
- var written = 0;
- writeStream._write = function(chunk, encoding, cb) {
- chunk.copy(buffer, offset + written, 0, chunk.length);
- written += chunk.length;
- cb();
- };
- writeStream.on("finish", callback);
- readStream.on("error", function(error) {
- callback(error);
- });
- readStream.pipe(writeStream);
-};
-RandomAccessReader.prototype.close = function(callback) {
- setImmediate(callback);
-};
-
-util.inherits(RefUnrefFilter, PassThrough);
-function RefUnrefFilter(context) {
- PassThrough.call(this);
- this.context = context;
- this.context.ref();
- this.unreffedYet = false;
-}
-RefUnrefFilter.prototype._flush = function(cb) {
- this.unref();
- cb();
-};
-RefUnrefFilter.prototype.unref = function(cb) {
- if (this.unreffedYet) return;
- this.unreffedYet = true;
- this.context.unref();
-};
-
-var cp437 = '\u0000☺☻♥♦♣♠•◘○◙♂♀♪♫☼►◄↕‼¶§▬↨↑↓→←∟↔▲▼ !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~⌂ÇüéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜ¢£¥₧ƒáíóúñѪº¿⌐¬½¼¡«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ ';
-function bufferToString(buffer, start, end, isUtf8) {
- if (isUtf8) {
- return buffer.toString("utf8", start, end);
- } else {
- var result = "";
- for (var i = start; i < end; i++) {
- result += cp437[buffer[i]];
- }
- return result;
- }
-}
-
-function readUInt64LE(buffer, offset) {
- // there is no native function for this, because we can't actually store 64-bit integers precisely.
- // after 53 bits, JavaScript's Number type (IEEE 754 double) can't store individual integers anymore.
- // but since 53 bits is a whole lot more than 32 bits, we do our best anyway.
- var lower32 = buffer.readUInt32LE(offset);
- var upper32 = buffer.readUInt32LE(offset + 4);
- // we can't use bitshifting here, because JavaScript bitshifting only works on 32-bit integers.
- return upper32 * 0x100000000 + lower32;
- // as long as we're bounds checking the result of this function against the total file size,
- // we'll catch any overflow errors, because we already made sure the total file size was within reason.
-}
-
-function defaultCallback(err) {
- if (err) throw err;
-}