1 files changed, 0 insertions, 296 deletions
diff --git a/node_modules/fd-slicer/index.js b/node_modules/fd-slicer/index.js
deleted file mode 100644
index 65d32a3..0000000
--- a/node_modules/fd-slicer/index.js
+++ /dev/null
@@ -1,296 +0,0 @@
-var fs = require('fs');
-var util = require('util');
-var stream = require('stream');
-var Readable = stream.Readable;
-var Writable = stream.Writable;
-var PassThrough = stream.PassThrough;
-var Pend = require('pend');
-var EventEmitter = require('events').EventEmitter;
-
-exports.createFromBuffer = createFromBuffer;
-exports.createFromFd = createFromFd;
-exports.BufferSlicer = BufferSlicer;
-exports.FdSlicer = FdSlicer;
-
-util.inherits(FdSlicer, EventEmitter);
-function FdSlicer(fd, options) {
-  options = options || {};
-  EventEmitter.call(this);
-
-  this.fd = fd;
-  this.pend = new Pend();
-  this.pend.max = 1;
-  this.refCount = 0;
-  this.autoClose = !!options.autoClose;
-}
-
-FdSlicer.prototype.read = function(buffer, offset, length, position, callback) {
-  var self = this;
-  self.pend.go(function(cb) {
-    fs.read(self.fd, buffer, offset, length, position, function(err, bytesRead, buffer) {
-      cb();
-      callback(err, bytesRead, buffer);
-    });
-  });
-};
-
-FdSlicer.prototype.write = function(buffer, offset, length, position, callback) {
-  var self = this;
-  self.pend.go(function(cb) {
-    fs.write(self.fd, buffer, offset, length, position, function(err, written, buffer) {
-      cb();
-      callback(err, written, buffer);
-    });
-  });
-};
-
-FdSlicer.prototype.createReadStream = function(options) {
-  return new ReadStream(this, options);
-};
-
-FdSlicer.prototype.createWriteStream = function(options) {
-  return new WriteStream(this, options);
-};
-
-FdSlicer.prototype.ref = function() {
-  this.refCount += 1;
-};
-
-FdSlicer.prototype.unref = function() {
-  var self = this;
-  self.refCount -= 1;
-
-  if (self.refCount > 0) return;
-  if (self.refCount < 0) throw new Error("invalid unref");
-
-  if (self.autoClose) {
-    fs.close(self.fd, onCloseDone);
-  }
-
-  function onCloseDone(err) {
-    if (err) {
-      self.emit('error', err);
-    } else {
-      self.emit('close');
-    }
-  }
-};
-
-util.inherits(ReadStream, Readable);
-function ReadStream(context, options) {
-  options = options || {};
-  Readable.call(this, options);
-
-  this.context = context;
-  this.context.ref();
-
-  this.start = options.start || 0;
-  this.endOffset = options.end;
-  this.pos = this.start;
-  this.destroyed = false;
-}
-
-ReadStream.prototype._read = function(n) {
-  var self = this;
-  if (self.destroyed) return;
-
-  var toRead = Math.min(self._readableState.highWaterMark, n);
-  if (self.endOffset != null) {
-    toRead = Math.min(toRead, self.endOffset - self.pos);
-  }
-  if (toRead <= 0) {
-    self.destroyed = true;
-    self.push(null);
-    self.context.unref();
-    return;
-  }
-  self.context.pend.go(function(cb) {
-    if (self.destroyed) return cb();
-    var buffer = new Buffer(toRead);
-    fs.read(self.context.fd, buffer, 0, toRead, self.pos, function(err, bytesRead) {
-      if (err) {
-        self.destroy(err);
-      } else if (bytesRead === 0) {
-        self.destroyed = true;
-        self.push(null);
-        self.context.unref();
-      } else {
-        self.pos += bytesRead;
-        self.push(buffer.slice(0, bytesRead));
-      }
-      cb();
-    });
-  });
-};
-
-ReadStream.prototype.destroy = function(err) {
-  if (this.destroyed) return;
-  err = err || new Error("stream destroyed");
-  this.destroyed = true;
-  this.emit('error', err);
-  this.context.unref();
-};
-
-util.inherits(WriteStream, Writable);
-function WriteStream(context, options) {
-  options = options || {};
-  Writable.call(this, options);
-
-  this.context = context;
-  this.context.ref();
-
-  this.start = options.start || 0;
-  this.endOffset = (options.end == null) ? Infinity : +options.end;
-  this.bytesWritten = 0;
-  this.pos = this.start;
-  this.destroyed = false;
-
-  this.on('finish', this.destroy.bind(this));
-}
-
-WriteStream.prototype._write = function(buffer, encoding, callback) {
-  var self = this;
-  if (self.destroyed) return;
-
-  if (self.pos + buffer.length > self.endOffset) {
-    var err = new Error("maximum file length exceeded");
-    err.code = 'ETOOBIG';
-    self.destroy();
-    callback(err);
-    return;
-  }
-  self.context.pend.go(function(cb) {
-    if (self.destroyed) return cb();
-    fs.write(self.context.fd, buffer, 0, buffer.length, self.pos, function(err, bytes) {
-      if (err) {
-        self.destroy();
-        cb();
-        callback(err);
-      } else {
-        self.bytesWritten += bytes;
-        self.pos += bytes;
-        self.emit('progress');
-        cb();
-        callback();
-      }
-    });
-  });
-};
-
-WriteStream.prototype.destroy = function() {
-  if (this.destroyed) return;
-  this.destroyed = true;
-  this.context.unref();
-};
-
-util.inherits(BufferSlicer, EventEmitter);
-function BufferSlicer(buffer, options) {
-  EventEmitter.call(this);
-
-  options = options || {};
-  this.refCount = 0;
-  this.buffer = buffer;
-  this.maxChunkSize = options.maxChunkSize || Number.MAX_SAFE_INTEGER;
-}
-
-BufferSlicer.prototype.read = function(buffer, offset, length, position, callback) {
-  var end = position + length;
-  var delta = end - this.buffer.length;
-  var written = (delta > 0) ? delta : length;
-  this.buffer.copy(buffer, offset, position, end);
-  setImmediate(function() {
-    callback(null, written);
-  });
-};
-
-BufferSlicer.prototype.write = function(buffer, offset, length, position, callback) {
-  buffer.copy(this.buffer, position, offset, offset + length);
-  setImmediate(function() {
-    callback(null, length, buffer);
-  });
-};
-
-BufferSlicer.prototype.createReadStream = function(options) {
-  options = options || {};
-  var readStream = new PassThrough(options);
-  readStream.destroyed = false;
-  readStream.start = options.start || 0;
-  readStream.endOffset = options.end;
-  // by the time this function returns, we'll be done.
-  readStream.pos = readStream.endOffset || this.buffer.length;
-
-  // respect the maxChunkSize option to slice up the chunk into smaller pieces.
-  var entireSlice = this.buffer.slice(readStream.start, readStream.pos);
-  var offset = 0;
-  while (true) {
-    var nextOffset = offset + this.maxChunkSize;
-    if (nextOffset >= entireSlice.length) {
-      // last chunk
-      if (offset < entireSlice.length) {
-        readStream.write(entireSlice.slice(offset, entireSlice.length));
-      }
-      break;
-    }
-    readStream.write(entireSlice.slice(offset, nextOffset));
-    offset = nextOffset;
-  }
-
-  readStream.end();
-  readStream.destroy = function() {
-    readStream.destroyed = true;
-  };
-  return readStream;
-};
-
-BufferSlicer.prototype.createWriteStream = function(options) {
-  var bufferSlicer = this;
-  options = options || {};
-  var writeStream = new Writable(options);
-  writeStream.start = options.start || 0;
-  writeStream.endOffset = (options.end == null) ? this.buffer.length : +options.end;
-  writeStream.bytesWritten = 0;
-  writeStream.pos = writeStream.start;
-  writeStream.destroyed = false;
-  writeStream._write = function(buffer, encoding, callback) {
-    if (writeStream.destroyed) return;
-
-    var end = writeStream.pos + buffer.length;
-    if (end > writeStream.endOffset) {
-      var err = new Error("maximum file length exceeded");
-      err.code = 'ETOOBIG';
-      writeStream.destroyed = true;
-      callback(err);
-      return;
-    }
-    buffer.copy(bufferSlicer.buffer, writeStream.pos, 0, buffer.length);
-
-    writeStream.bytesWritten += buffer.length;
-    writeStream.pos = end;
-    writeStream.emit('progress');
-    callback();
-  };
-  writeStream.destroy = function() {
-    writeStream.destroyed = true;
-  };
-  return writeStream;
-};
-
-BufferSlicer.prototype.ref = function() {
-  this.refCount += 1;
-};
-
-BufferSlicer.prototype.unref = function() {
-  this.refCount -= 1;
-
-  if (this.refCount < 0) {
-    throw new Error("invalid unref");
-  }
-};
-
-function createFromBuffer(buffer, options) {
-  return new BufferSlicer(buffer, options);
-}
-
-function createFromFd(fd, options) {
-  return new FdSlicer(fd, options);
-}