diff options
Diffstat (limited to 'node_modules/chromium-pickle-js')
| -rw-r--r-- | node_modules/chromium-pickle-js/README.md | 132 | ||||
| -rw-r--r-- | node_modules/chromium-pickle-js/lib/exports.js | 11 | ||||
| -rw-r--r-- | node_modules/chromium-pickle-js/lib/pickle.js | 222 | ||||
| -rw-r--r-- | node_modules/chromium-pickle-js/package.json | 21 |
4 files changed, 0 insertions, 386 deletions
diff --git a/node_modules/chromium-pickle-js/README.md b/node_modules/chromium-pickle-js/README.md deleted file mode 100644 index e95d2b9..0000000 --- a/node_modules/chromium-pickle-js/README.md +++ /dev/null @@ -1,132 +0,0 @@ -# chromium-pickle-js [](https://travis-ci.org/electron/node-chromium-pickle-js) - -This module ports Chromium's `Pickle` class to Node, see `Pickle`'s header for -introduction: - -> This class provides facilities for basic binary value packing and unpacking. -> -> The Pickle class supports appending primitive values (ints, strings, etc.) -> to a pickle instance. The Pickle instance grows its internal memory buffer -> dynamically to hold the sequence of primitive values. The internal memory -> buffer is exposed as the "data" of the Pickle. This "data" can be passed -> to a Pickle object to initialize it for reading. -> -> When reading from a Pickle object, it is important for the consumer to know -> what value types to read and in what order to read them as the Pickle does -> not keep track of the type of data written to it. -> -> The Pickle's data has a header which contains the size of the Pickle's -> payload. It can optionally support additional space in the header. That -> space is controlled by the header_size parameter passed to the Pickle -> constructor. - -## Install - -```bash -$ npm install chromium-pickle-js -``` - -## Usage - -### createEmpty() - -Returns an empty `Pickle` object. - -### createFromBuffer(buffer) - -* `buffer` Buffer - -Returns a `Pickle` object that initialized from a `buffer`. The data is not -copied so you have to ensure the `buffer` lives when using the Pickle object, -and you should never modify the Pickle object created this way. - -### Pickle.createIterator() - -Returns a `PickleIterator` object that can be used to read data from this -`Pickle` object. - -### Pickle.toBuffer() - -Returns a `Buffer` object that contains this `Pickle` object's data. - -### Pickle.writeBool(value) - -Writes `value` to `Pickle` object as `bool`. Returns `true` when succeeded and -returns `false` when failed. - -### Pickle.writeInt(value) - -Writes `value` to `Pickle` object as `int`. Returns `true` when succeeded and -returns `false` when failed. - -### Pickle.writeUInt32(value) - -Writes `value` to `Pickle` object as `uint32`. Returns `true` when succeeded and -returns `false` when failed. - -### Pickle.writeInt64(value) - -Writes `value` to `Pickle` object as `int64`. Returns `true` when succeeded and -returns `false` when failed. - -### Pickle.writeUInt64(value) - -Writes `value` to `Pickle` object as `uint64`. Returns `true` when succeeded and -returns `false` when failed. - -### Pickle.writeFloat(value) - -Writes `value` to `Pickle` object as `float`. Returns `true` when succeeded and -returns `false` when failed. - -### Pickle.writeDouble(value) - -Writes `value` to `Pickle` object as `Double`. Returns `true` when succeeded and -returns `false` when failed. - -### Pickle.writeString(str) - -* `str` String - -Writes `str` to `Pickle` object. Returns `true` when succeeded and returns -`false` when failed. - -### PickleIterator.readBool() - -Returns current value as `bool` and seeks to next data. A`TypeError` exception -would be thrown when failed. - -### PickleIterator.readInt() - -Returns current value as `int` and seeks to next data. A`TypeError` exception -would be thrown when failed. - -### PickleIterator.readUInt32() - -Returns current value as `uint32` and seeks to next data. A`TypeError` exception -would be thrown when failed. - -### PickleIterator.readInt64() - -Returns current value as `int64` and seeks to next data. A`TypeError` exception -would be thrown when failed. - -### PickleIterator.readUInt64() - -Returns current value as `uint64` and seeks to next data. A`TypeError` exception -would be thrown when failed. - -### PickleIterator.readFloat() - -Returns current value as `float` and seeks to next data. A`TypeError` exception -would be thrown when failed. - -### PickleIterator.readDouble() - -Returns current value as `double` and seeks to next data. A`TypeError` exception -would be thrown when failed. - -### PickleIterator.readString() - -Returns current value as `String` and seeks to next data. A`TypeError` exception -would be thrown when failed. diff --git a/node_modules/chromium-pickle-js/lib/exports.js b/node_modules/chromium-pickle-js/lib/exports.js deleted file mode 100644 index 6678e0d..0000000 --- a/node_modules/chromium-pickle-js/lib/exports.js +++ /dev/null @@ -1,11 +0,0 @@ -var Pickle = require('./pickle') - -module.exports = { - createEmpty: function () { - return new Pickle() - }, - - createFromBuffer: function (buffer) { - return new Pickle(buffer) - } -} diff --git a/node_modules/chromium-pickle-js/lib/pickle.js b/node_modules/chromium-pickle-js/lib/pickle.js deleted file mode 100644 index afd8c59..0000000 --- a/node_modules/chromium-pickle-js/lib/pickle.js +++ /dev/null @@ -1,222 +0,0 @@ -// sizeof(T). -var SIZE_INT32 = 4 -var SIZE_UINT32 = 4 -var SIZE_INT64 = 8 -var SIZE_UINT64 = 8 -var SIZE_FLOAT = 4 -var SIZE_DOUBLE = 8 - -// The allocation granularity of the payload. -var PAYLOAD_UNIT = 64 - -// Largest JS number. -var CAPACITY_READ_ONLY = 9007199254740992 - -// Aligns 'i' by rounding it up to the next multiple of 'alignment'. -var alignInt = function (i, alignment) { - return i + (alignment - (i % alignment)) % alignment -} - -// PickleIterator reads data from a Pickle. The Pickle object must remain valid -// while the PickleIterator object is in use. -var PickleIterator = (function () { - function PickleIterator (pickle) { - this.payload = pickle.header - this.payloadOffset = pickle.headerSize - this.readIndex = 0 - this.endIndex = pickle.getPayloadSize() - } - - PickleIterator.prototype.readBool = function () { - return this.readInt() !== 0 - } - - PickleIterator.prototype.readInt = function () { - return this.readBytes(SIZE_INT32, Buffer.prototype.readInt32LE) - } - - PickleIterator.prototype.readUInt32 = function () { - return this.readBytes(SIZE_UINT32, Buffer.prototype.readUInt32LE) - } - - PickleIterator.prototype.readInt64 = function () { - return this.readBytes(SIZE_INT64, Buffer.prototype.readInt64LE) - } - - PickleIterator.prototype.readUInt64 = function () { - return this.readBytes(SIZE_UINT64, Buffer.prototype.readUInt64LE) - } - - PickleIterator.prototype.readFloat = function () { - return this.readBytes(SIZE_FLOAT, Buffer.prototype.readFloatLE) - } - - PickleIterator.prototype.readDouble = function () { - return this.readBytes(SIZE_DOUBLE, Buffer.prototype.readDoubleLE) - } - - PickleIterator.prototype.readString = function () { - return this.readBytes(this.readInt()).toString() - } - - PickleIterator.prototype.readBytes = function (length, method) { - var readPayloadOffset = this.getReadPayloadOffsetAndAdvance(length) - if (method != null) { - return method.call(this.payload, readPayloadOffset, length) - } else { - return this.payload.slice(readPayloadOffset, readPayloadOffset + length) - } - } - - PickleIterator.prototype.getReadPayloadOffsetAndAdvance = function (length) { - if (length > this.endIndex - this.readIndex) { - this.readIndex = this.endIndex - throw new Error('Failed to read data with length of ' + length) - } - var readPayloadOffset = this.payloadOffset + this.readIndex - this.advance(length) - return readPayloadOffset - } - - PickleIterator.prototype.advance = function (size) { - var alignedSize = alignInt(size, SIZE_UINT32) - if (this.endIndex - this.readIndex < alignedSize) { - this.readIndex = this.endIndex - } else { - this.readIndex += alignedSize - } - } - - return PickleIterator -})() - -// This class provides facilities for basic binary value packing and unpacking. -// -// The Pickle class supports appending primitive values (ints, strings, etc.) -// to a pickle instance. The Pickle instance grows its internal memory buffer -// dynamically to hold the sequence of primitive values. The internal memory -// buffer is exposed as the "data" of the Pickle. This "data" can be passed -// to a Pickle object to initialize it for reading. -// -// When reading from a Pickle object, it is important for the consumer to know -// what value types to read and in what order to read them as the Pickle does -// not keep track of the type of data written to it. -// -// The Pickle's data has a header which contains the size of the Pickle's -// payload. It can optionally support additional space in the header. That -// space is controlled by the header_size parameter passed to the Pickle -// constructor. -var Pickle = (function () { - function Pickle (buffer) { - if (buffer) { - this.initFromBuffer(buffer) - } else { - this.initEmpty() - } - } - - Pickle.prototype.initEmpty = function () { - this.header = new Buffer(0) - this.headerSize = SIZE_UINT32 - this.capacityAfterHeader = 0 - this.writeOffset = 0 - this.resize(PAYLOAD_UNIT) - this.setPayloadSize(0) - } - - Pickle.prototype.initFromBuffer = function (buffer) { - this.header = buffer - this.headerSize = buffer.length - this.getPayloadSize() - this.capacityAfterHeader = CAPACITY_READ_ONLY - this.writeOffset = 0 - if (this.headerSize > buffer.length) { - this.headerSize = 0 - } - if (this.headerSize !== alignInt(this.headerSize, SIZE_UINT32)) { - this.headerSize = 0 - } - if (this.headerSize === 0) { - this.header = new Buffer(0) - } - } - - Pickle.prototype.createIterator = function () { - return new PickleIterator(this) - } - - Pickle.prototype.toBuffer = function () { - return this.header.slice(0, this.headerSize + this.getPayloadSize()) - } - - Pickle.prototype.writeBool = function (value) { - return this.writeInt(value ? 1 : 0) - } - - Pickle.prototype.writeInt = function (value) { - return this.writeBytes(value, SIZE_INT32, Buffer.prototype.writeInt32LE) - } - - Pickle.prototype.writeUInt32 = function (value) { - return this.writeBytes(value, SIZE_UINT32, Buffer.prototype.writeUInt32LE) - } - - Pickle.prototype.writeInt64 = function (value) { - return this.writeBytes(value, SIZE_INT64, Buffer.prototype.writeInt64LE) - } - - Pickle.prototype.writeUInt64 = function (value) { - return this.writeBytes(value, SIZE_UINT64, Buffer.prototype.writeUInt64LE) - } - - Pickle.prototype.writeFloat = function (value) { - return this.writeBytes(value, SIZE_FLOAT, Buffer.prototype.writeFloatLE) - } - - Pickle.prototype.writeDouble = function (value) { - return this.writeBytes(value, SIZE_DOUBLE, Buffer.prototype.writeDoubleLE) - } - - Pickle.prototype.writeString = function (value) { - var length = Buffer.byteLength(value, 'utf8') - if (!this.writeInt(length)) { - return false - } - return this.writeBytes(value, length) - } - - Pickle.prototype.setPayloadSize = function (payloadSize) { - return this.header.writeUInt32LE(payloadSize, 0) - } - - Pickle.prototype.getPayloadSize = function () { - return this.header.readUInt32LE(0) - } - - Pickle.prototype.writeBytes = function (data, length, method) { - var dataLength = alignInt(length, SIZE_UINT32) - var newSize = this.writeOffset + dataLength - if (newSize > this.capacityAfterHeader) { - this.resize(Math.max(this.capacityAfterHeader * 2, newSize)) - } - if (method != null) { - method.call(this.header, data, this.headerSize + this.writeOffset) - } else { - this.header.write(data, this.headerSize + this.writeOffset, length) - } - var endOffset = this.headerSize + this.writeOffset + length - this.header.fill(0, endOffset, endOffset + dataLength - length) - this.setPayloadSize(newSize) - this.writeOffset = newSize - return true - } - - Pickle.prototype.resize = function (newCapacity) { - newCapacity = alignInt(newCapacity, PAYLOAD_UNIT) - this.header = Buffer.concat([this.header, new Buffer(newCapacity)]) - this.capacityAfterHeader = newCapacity - } - - return Pickle -})() - -module.exports = Pickle diff --git a/node_modules/chromium-pickle-js/package.json b/node_modules/chromium-pickle-js/package.json deleted file mode 100644 index b6f00c3..0000000 --- a/node_modules/chromium-pickle-js/package.json +++ /dev/null @@ -1,21 +0,0 @@ -{ - "main": "./lib/exports.js", - "name": "chromium-pickle-js", - "description": "Binary value packing and unpacking", - "version": "0.2.0", - "license": "MIT", - "repository": { - "type": "git", - "url": "https://github.com/electron/node-chromium-pickle-js.git" - }, - "bugs": { - "url": "https://github.com/electron/node-chromium-pickle-js/issues" - }, - "scripts": { - "test": "mocha test && standard" - }, - "devDependencies": { - "mocha": "^3.0.2", - "standard": "^8.0.0" - } -} |