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bufio - npm Package Compare versions

Comparing version 0.0.0 to 0.0.1

lib/error.js
LICENSE

38

lib/bufio.js

@@ -10,2 +10,3 @@ /*!

const encoding = require('./encoding');
const EncodingError = require('./error');
const BufferReader = require('./reader');

@@ -17,21 +18,30 @@ const BufferWriter = require('./writer');

Object.setPrototypeOf(exports, encoding);
exports.bufio = exports;
exports.encoding = encoding;
exports.EncodingError = EncodingError;
exports.BufferReader = BufferReader;
exports.reader = (data, zeroCopy) => new BufferReader(data, zeroCopy);
exports.BufferWriter = BufferWriter;
exports.writer = () => new BufferWriter();
exports.StaticWriter = StaticWriter;
exports.static = (size) => new StaticWriter(size);
exports.pool = (size) => StaticWriter.pool(size);
exports.SizeWriter = SizeWriter;
exports.size = (size) => new SizeWriter(size);
exports.HashWriter = HashWriter;
exports.HashWriter = HashWriter;
exports.hash = (Hash, ...args) => new HashWriter(Hash, ...args);
exports.read = function read(data, zeroCopy) {
return new BufferReader(data, zeroCopy);
};
exports.write = function write(size) {
return size != null
? new StaticWriter(size)
: new BufferWriter();
};
exports.pool = function pool(size) {
return StaticWriter.pool(size);
};
exports.size = function size(_size) {
return new SizeWriter(_size);
};
exports.hash = function hash(ctx) {
return new HashWriter(ctx);
};

306

lib/encoding.js

@@ -10,159 +10,19 @@ /*!

const assert = require('assert');
const {U64, I64} = require('n64');
const UINT128_MAX = U64.UINT64_MAX.shrn(7);
const MAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER;
const encoding = exports;
const EncodingError = require('./error');
/**
* An empty buffer.
* @const {Buffer}
* @default
/*
* Constants
*/
encoding.DUMMY = Buffer.from([0]);
const BASE128_MAX = U64.UINT64_MAX.shrn(7);
const {MAX_SAFE_INTEGER} = Number;
/**
* A hash of all zeroes with a `1` at the
* end (used for the SIGHASH_SINGLE bug).
* @const {Buffer}
* @default
/*
* Module
*/
encoding.ONE_HASH = Buffer.from(
'0100000000000000000000000000000000000000000000000000000000000000',
'hex'
);
const encoding = exports;
/**
* A hash of all zeroes.
* @const {Buffer}
* @default
*/
encoding.ZERO_HASH = Buffer.from(
'0000000000000000000000000000000000000000000000000000000000000000',
'hex'
);
/**
* A hash of all 0xff.
* @const {Buffer}
* @default
*/
encoding.MAX_HASH = Buffer.from(
'ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff',
'hex'
);
/**
* A hash of all zeroes.
* @const {String}
* @default
*/
encoding.NULL_HASH =
'0000000000000000000000000000000000000000000000000000000000000000';
/**
* A hash of all 0xff.
* @const {String}
* @default
*/
encoding.HIGH_HASH =
'ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff';
/**
* A hash of all zeroes.
* @const {Buffer}
* @default
*/
encoding.ZERO_HASH160 = Buffer.from(
'0000000000000000000000000000000000000000',
'hex'
);
/**
* A hash of all 0xff.
* @const {String}
* @default
*/
encoding.MAX_HASH160 = Buffer.from(
'ffffffffffffffffffffffffffffffffffffffff',
'hex'
);
/**
* A hash of all zeroes.
* @const {String}
* @default
*/
encoding.NULL_HASH160 = '0000000000000000000000000000000000000000';
/**
* A hash of all 0xff.
* @const {String}
* @default
*/
encoding.HIGH_HASH160 = 'ffffffffffffffffffffffffffffffffffffffff';
/**
* A compressed pubkey of all zeroes.
* @const {Buffer}
* @default
*/
encoding.ZERO_KEY = Buffer.from(
'000000000000000000000000000000000000000000000000000000000000000000',
'hex'
);
/**
* A 73 byte signature of all zeroes.
* @const {Buffer}
* @default
*/
encoding.ZERO_SIG = Buffer.from(''
+ '0000000000000000000000000000000000000000000000000000000000000000'
+ '0000000000000000000000000000000000000000000000000000000000000000'
+ '000000000000000000',
'hex'
);
/**
* A 64 byte signature of all zeroes.
* @const {Buffer}
* @default
*/
encoding.ZERO_SIG64 = Buffer.from(''
+ '0000000000000000000000000000000000000000000000000000000000000000'
+ '0000000000000000000000000000000000000000000000000000000000000000',
'hex'
);
/**
* 4 zero bytes.
* @const {Buffer}
* @default
*/
encoding.ZERO_U32 = Buffer.from('00000000', 'hex');
/**
* 8 zero bytes.
* @const {Buffer}
* @default
*/
encoding.ZERO_U64 = Buffer.from('0000000000000000', 'hex');
/**
* Read uint64le as a js number.

@@ -627,3 +487,3 @@ * @param {Buffer} data

enforce(num.lte(UINT128_MAX), off, 'Number exceeds 2^64-1');
enforce(num.lte(BASE128_MAX), off, 'Number exceeds 2^64-1');

@@ -740,146 +600,2 @@ num.ishln(7).iorn(ch & 0x7f);

/**
* Serialize number as a u8.
* @param {Number} num
* @returns {Buffer}
*/
encoding.u8 = function u8(num) {
const data = Buffer.allocUnsafe(1);
data[0] = num >>> 0;
return data;
};
/**
* Serialize number as a u16le.
* @param {Number} num
* @returns {Buffer}
*/
encoding.u16 = function u16(num) {
const data = Buffer.allocUnsafe(2);
data.writeUInt16LE(num, 0, true);
return data;
};
/**
* Serialize number as a u16be.
* @param {Number} num
* @returns {Buffer}
*/
encoding.u16be = function u16be(num) {
const data = Buffer.allocUnsafe(2);
data.writeUInt16BE(num, 0, true);
return data;
};
/**
* Serialize number as a u32le.
* @param {Number} num
* @returns {Buffer}
*/
encoding.u32 = function u32(num) {
const data = Buffer.allocUnsafe(4);
data.writeUInt32LE(num, 0, true);
return data;
};
/**
* Serialize number as a u32be.
* @param {Number} num
* @returns {Buffer}
*/
encoding.u32be = function u32be(num) {
const data = Buffer.allocUnsafe(4);
data.writeUInt32BE(num, 0, true);
return data;
};
/**
* Serialize number as a u8.
* @param {Number} num
* @returns {Buffer}
*/
encoding.i8 = encoding.u8;
/**
* Serialize number as a u16le.
* @param {Number} num
* @returns {Buffer}
*/
encoding.i16 = encoding.u16;
/**
* Serialize number as a u16be.
* @param {Number} num
* @returns {Buffer}
*/
encoding.i16be = encoding.u16be;
/**
* Serialize number as a u32le.
* @param {Number} num
* @returns {Buffer}
*/
encoding.i32 = encoding.u32;
/**
* Serialize number as a u32be.
* @param {Number} num
* @returns {Buffer}
*/
encoding.i32be = encoding.u32be;
/**
* Reverse a hex-string.
* @param {String} str - Hex string.
* @returns {String} Reversed hex string.
*/
encoding.revHex = function revHex(str) {
assert(typeof str === 'string');
assert((str.length & 1) === 0);
let out = '';
for (let i = str.length - 2; i >= 0; i -= 2)
out += str[i] + str[i + 1];
return out;
};
/**
* Encoding Error
* @extends {Error}
*/
class EncodingError extends Error {
/**
* Create an encoding error.
* @constructor
* @param {Number} offset
* @param {String} reason
*/
constructor(offset, reason, start) {
super();
this.type = 'EncodingError';
this.message = `${reason} (offset=${offset}).`;
if (Error.captureStackTrace)
Error.captureStackTrace(this, start || EncodingError);
}
}
encoding.EncodingError = EncodingError;
/*

@@ -939,3 +655,3 @@ * Helpers

if (!value)
throw new encoding.EncodingError(offset, 'Out of bounds read', check);
throw new EncodingError(offset, 'Out of bounds read', check);
}

@@ -945,3 +661,3 @@

if (!value)
throw new encoding.EncodingError(offset, reason, enforce);
throw new EncodingError(offset, reason, enforce);
}

65

lib/hashwriter.js

@@ -49,8 +49,8 @@ /*!

* @constructor
* @param {Function} Hash
* @param {...Object} args
* @param {Object} ctx
*/
constructor(Hash, ...args) {
this.ctx = new Hash().init(...args);
constructor(ctx) {
assert(ctx);
this.ctx = ctx;
}

@@ -82,2 +82,4 @@

final() {
if (this.ctx.digest)
return this.ctx.digest();
return this.ctx.final();

@@ -87,2 +89,11 @@ }

/**
* Render the final hash.
* @returns {Buffer}
*/
render() {
return this.final();
}
/**
* Get size of data written so far.

@@ -121,2 +132,3 @@ * @returns {Number}

this.ctx.update(POOL8);
return this;
}

@@ -132,2 +144,3 @@

this.ctx.update(POOL16);
return this;
}

@@ -143,2 +156,3 @@

this.ctx.update(POOL16);
return this;
}

@@ -154,2 +168,3 @@

this.ctx.update(POOL32);
return this;
}

@@ -165,2 +180,3 @@

this.ctx.update(POOL32);
return this;
}

@@ -176,2 +192,3 @@

this.ctx.update(POOL64);
return this;
}

@@ -187,2 +204,3 @@

this.ctx.update(POOL64);
return this;
}

@@ -198,2 +216,3 @@

this.ctx.update(POOL64);
return this;
}

@@ -209,2 +228,3 @@

this.ctx.update(POOL64);
return this;
}

@@ -220,2 +240,3 @@

this.ctx.update(POOL8);
return this;
}

@@ -231,2 +252,3 @@

this.ctx.update(POOL16);
return this;
}

@@ -242,2 +264,3 @@

this.ctx.update(POOL16);
return this;
}

@@ -253,2 +276,3 @@

this.ctx.update(POOL32);
return this;
}

@@ -264,2 +288,3 @@

this.ctx.update(POOL32);
return this;
}

@@ -275,2 +300,3 @@

this.ctx.update(POOL64);
return this;
}

@@ -286,2 +312,3 @@

this.ctx.update(POOL64);
return this;
}

@@ -297,2 +324,3 @@

this.ctx.update(POOL64);
return this;
}

@@ -308,2 +336,3 @@

this.ctx.update(POOL64);
return this;
}

@@ -319,2 +348,3 @@

this.ctx.update(POOL32);
return this;
}

@@ -330,2 +360,3 @@

this.ctx.update(POOL32);
return this;
}

@@ -341,2 +372,3 @@

this.ctx.update(POOL64);
return this;
}

@@ -352,2 +384,3 @@

this.ctx.update(POOL64);
return this;
}

@@ -365,2 +398,3 @@

this.ctx.update(pool);
return this;
}

@@ -378,2 +412,3 @@

this.ctx.update(pool);
return this;
}

@@ -391,2 +426,3 @@

this.ctx.update(pool);
return this;
}

@@ -404,2 +440,3 @@

this.ctx.update(pool);
return this;
}

@@ -414,2 +451,3 @@

this.ctx.update(value);
return this;
}

@@ -425,2 +463,3 @@

this.writeBytes(value);
return this;
}

@@ -437,2 +476,3 @@

this.ctx.update(value.slice(start, end));
return this;
}

@@ -448,3 +488,3 @@

if (value.length === 0)
return;
return this;

@@ -455,2 +495,3 @@ if (typeof value === 'string')

this.ctx.update(value);
return this;
}

@@ -467,3 +508,3 @@

this.writeBytes(value);
return;
return this;
}

@@ -473,2 +514,3 @@ assert(value.length === 64);

this.ctx.update(POOL256);
return this;
}

@@ -485,3 +527,3 @@

this.writeVarint(0);
return;
return this;
}

@@ -493,2 +535,4 @@

this.ctx.update(value, enc);
return this;
}

@@ -505,2 +549,3 @@

this.writeU8(0);
return this;
}

@@ -526,3 +571,3 @@

if (size === 0)
return;
return this;

@@ -533,3 +578,3 @@ if (size <= 32) {

this.ctx.update(data);
return;
return this;
}

@@ -541,2 +586,4 @@

this.ctx.update(data);
return this;
}

@@ -543,0 +590,0 @@ }

6

lib/reader.js

@@ -12,3 +12,3 @@ /*!

const encoding = require('./encoding');
const EncodingError = encoding.EncodingError;
const EncodingError = require('./error');

@@ -51,3 +51,3 @@ /*

if (!value)
throw new EncodingError(this.offset, 'Out of bounds read', assert);
throw new EncodingError(this.offset, 'Out of bounds read', this.assert);
}

@@ -63,3 +63,3 @@

if (!value)
throw new EncodingError(this.offset, reason, enforce);
throw new EncodingError(this.offset, reason, this.enforce);
}

@@ -66,0 +66,0 @@

42

lib/sizewriter.js

@@ -9,3 +9,2 @@ /*!

const assert = require('assert');
const encoding = require('./encoding');

@@ -54,2 +53,3 @@

this.offset += offset;
return this;
}

@@ -63,2 +63,3 @@

this.offset = 0;
return this;
}

@@ -73,2 +74,3 @@

this.offset += 1;
return this;
}

@@ -83,2 +85,3 @@

this.offset += 2;
return this;
}

@@ -93,2 +96,3 @@

this.offset += 2;
return this;
}

@@ -103,2 +107,3 @@

this.offset += 4;
return this;
}

@@ -113,2 +118,3 @@

this.offset += 4;
return this;
}

@@ -123,2 +129,3 @@

this.offset += 8;
return this;
}

@@ -133,2 +140,3 @@

this.offset += 8;
return this;
}

@@ -143,2 +151,3 @@

this.offset += 8;
return this;
}

@@ -153,2 +162,3 @@

this.offset += 8;
return this;
}

@@ -163,2 +173,3 @@

this.offset += 1;
return this;
}

@@ -173,2 +184,3 @@

this.offset += 2;
return this;
}

@@ -183,2 +195,3 @@

this.offset += 2;
return this;
}

@@ -193,2 +206,3 @@

this.offset += 4;
return this;
}

@@ -203,2 +217,3 @@

this.offset += 4;
return this;
}

@@ -213,2 +228,3 @@

this.offset += 8;
return this;
}

@@ -223,2 +239,3 @@

this.offset += 8;
return this;
}

@@ -233,2 +250,3 @@

this.offset += 8;
return this;
}

@@ -243,2 +261,3 @@

this.offset += 8;
return this;
}

@@ -253,2 +272,3 @@

this.offset += 4;
return this;
}

@@ -263,2 +283,3 @@

this.offset += 4;
return this;
}

@@ -273,2 +294,3 @@

this.offset += 8;
return this;
}

@@ -283,2 +305,3 @@

this.offset += 8;
return this;
}

@@ -293,2 +316,3 @@

this.offset += encoding.sizeVarint(value);
return this;
}

@@ -303,2 +327,3 @@

this.offset += encoding.sizeVarintN(value);
return this;
}

@@ -313,2 +338,3 @@

this.offset += encoding.sizeVarint2(value);
return this;
}

@@ -323,2 +349,3 @@

this.offset += encoding.sizeVarint2N(value);
return this;
}

@@ -333,2 +360,3 @@

this.offset += value.length;
return this;
}

@@ -344,2 +372,3 @@

this.writeBytes(value);
return this;
}

@@ -356,2 +385,3 @@

this.offset += end - start;
return this;
}

@@ -367,5 +397,6 @@

if (value.length === 0)
return;
return this;
this.offset += Buffer.byteLength(value, enc);
return this;
}

@@ -380,2 +411,3 @@

this.offset += 32;
return this;
}

@@ -392,3 +424,3 @@

this.offset += 1;
return;
return this;
}

@@ -401,2 +433,3 @@

this.offset += size;
return this;
}

@@ -413,2 +446,3 @@

this.writeU8(0);
return this;
}

@@ -423,2 +457,3 @@

this.offset += 4;
return this;
}

@@ -434,2 +469,3 @@

this.offset += size;
return this;
}

@@ -436,0 +472,0 @@ }

53

lib/staticwriter.js

@@ -84,2 +84,3 @@ /*!

this.offset += offset;
return this;
}

@@ -94,2 +95,3 @@

this.offset = 0;
return this;
}

@@ -104,2 +106,3 @@

this.offset = this.data.writeUInt8(value, this.offset, true);
return this;
}

@@ -114,2 +117,3 @@

this.offset = this.data.writeUInt16LE(value, this.offset, true);
return this;
}

@@ -124,2 +128,3 @@

this.offset = this.data.writeUInt16BE(value, this.offset, true);
return this;
}

@@ -134,2 +139,3 @@

this.offset = this.data.writeUInt32LE(value, this.offset, true);
return this;
}

@@ -144,2 +150,3 @@

this.offset = this.data.writeUInt32BE(value, this.offset, true);
return this;
}

@@ -154,2 +161,3 @@

this.offset = encoding.writeU64(this.data, value, this.offset);
return this;
}

@@ -164,2 +172,3 @@

this.offset = encoding.writeU64BE(this.data, value, this.offset);
return this;
}

@@ -174,2 +183,3 @@

this.offset = encoding.writeU64N(this.data, value, this.offset);
return this;
}

@@ -184,2 +194,3 @@

this.offset = encoding.writeU64BEN(this.data, value, this.offset);
return this;
}

@@ -194,2 +205,3 @@

this.offset = this.data.writeInt8(value, this.offset, true);
return this;
}

@@ -204,2 +216,3 @@

this.offset = this.data.writeInt16LE(value, this.offset, true);
return this;
}

@@ -214,2 +227,3 @@

this.offset = this.data.writeInt16BE(value, this.offset, true);
return this;
}

@@ -224,2 +238,3 @@

this.offset = this.data.writeInt32LE(value, this.offset, true);
return this;
}

@@ -234,2 +249,3 @@

this.offset = this.data.writeInt32BE(value, this.offset, true);
return this;
}

@@ -244,2 +260,3 @@

this.offset = encoding.writeI64(this.data, value, this.offset);
return this;
}

@@ -254,2 +271,3 @@

this.offset = encoding.writeI64BE(this.data, value, this.offset);
return this;
}

@@ -264,2 +282,3 @@

this.offset = encoding.writeI64N(this.data, value, this.offset);
return this;
}

@@ -274,2 +293,3 @@

this.offset = encoding.writeI64BEN(this.data, value, this.offset);
return this;
}

@@ -284,2 +304,3 @@

this.offset = this.data.writeFloatLE(value, this.offset, true);
return this;
}

@@ -294,2 +315,3 @@

this.offset = this.data.writeFloatBE(value, this.offset, true);
return this;
}

@@ -304,2 +326,3 @@

this.offset = this.data.writeDoubleLE(value, this.offset, true);
return this;
}

@@ -314,2 +337,3 @@

this.offset = this.data.writeDoubleBE(value, this.offset, true);
return this;
}

@@ -324,2 +348,3 @@

this.offset = encoding.writeVarint(this.data, value, this.offset);
return this;
}

@@ -334,2 +359,3 @@

this.offset = encoding.writeVarintN(this.data, value, this.offset);
return this;
}

@@ -344,2 +370,3 @@

this.offset = encoding.writeVarint2(this.data, value, this.offset);
return this;
}

@@ -354,2 +381,3 @@

this.offset = encoding.writeVarint2N(this.data, value, this.offset);
return this;
}

@@ -364,3 +392,3 @@

if (value.length === 0)
return;
return this;

@@ -370,2 +398,3 @@ value.copy(this.data, this.offset);

this.offset += value.length;
return this;
}

@@ -381,2 +410,3 @@

this.writeBytes(value);
return this;
}

@@ -395,6 +425,8 @@

if (len === 0)
return;
return this;
value.copy(this.data, this.offset, start, end);
this.offset += len;
return this;
}

@@ -410,3 +442,3 @@

if (value.length === 0)
return;
return this;

@@ -418,2 +450,4 @@ const size = Buffer.byteLength(value, enc);

this.offset += size;
return this;
}

@@ -430,3 +464,3 @@

this.writeBytes(value);
return;
return this;
}

@@ -436,2 +470,3 @@ assert(value.length === 64);

this.offset += 32;
return this;
}

@@ -448,3 +483,3 @@

this.writeVarint(0);
return;
return this;
}

@@ -458,2 +493,4 @@

this.offset += size;
return this;
}

@@ -470,2 +507,3 @@

this.writeU8(0);
return this;
}

@@ -482,2 +520,3 @@

this.offset += 4;
return this;
}

@@ -495,6 +534,8 @@

if (size === 0)
return;
return this;
this.data.fill(value, this.offset, this.offset + size);
this.offset += size;
return this;
}

@@ -501,0 +542,0 @@ }

165

lib/writer.js

@@ -158,3 +158,3 @@ /*!

case BYTES:
off += op.value.copy(data, off);
off += op.data.copy(data, off);
break;

@@ -165,3 +165,3 @@ case STR:

case CHECKSUM:
off += op.value(data.slice(0, off)).copy(data, off, 0, 4);
off += op.func(data.slice(0, off)).copy(data, off, 0, 4);
break;

@@ -201,3 +201,4 @@ case FILL:

this.offset += offset;
this.ops.push(new WriteOp(SEEK, offset));
this.ops.push(new NumberOp(SEEK, offset));
return this;
}

@@ -212,2 +213,3 @@

this.offset = 0;
return this;
}

@@ -222,3 +224,4 @@

this.offset += 1;
this.ops.push(new WriteOp(UI8, value));
this.ops.push(new NumberOp(UI8, value));
return this;
}

@@ -233,3 +236,4 @@

this.offset += 2;
this.ops.push(new WriteOp(UI16, value));
this.ops.push(new NumberOp(UI16, value));
return this;
}

@@ -244,3 +248,4 @@

this.offset += 2;
this.ops.push(new WriteOp(UI16BE, value));
this.ops.push(new NumberOp(UI16BE, value));
return this;
}

@@ -255,3 +260,4 @@

this.offset += 4;
this.ops.push(new WriteOp(UI32, value));
this.ops.push(new NumberOp(UI32, value));
return this;
}

@@ -266,3 +272,4 @@

this.offset += 4;
this.ops.push(new WriteOp(UI32BE, value));
this.ops.push(new NumberOp(UI32BE, value));
return this;
}

@@ -277,3 +284,4 @@

this.offset += 8;
this.ops.push(new WriteOp(UI64, value));
this.ops.push(new NumberOp(UI64, value));
return this;
}

@@ -288,3 +296,4 @@

this.offset += 8;
this.ops.push(new WriteOp(UI64BE, value));
this.ops.push(new NumberOp(UI64BE, value));
return this;
}

@@ -299,3 +308,4 @@

this.offset += 8;
this.ops.push(new WriteOp(UI64N, value));
this.ops.push(new NumberOp(UI64N, value));
return this;
}

@@ -310,3 +320,4 @@

this.offset += 8;
this.ops.push(new WriteOp(UI64BEN, value));
this.ops.push(new NumberOp(UI64BEN, value));
return this;
}

@@ -321,3 +332,4 @@

this.offset += 1;
this.ops.push(new WriteOp(I8, value));
this.ops.push(new NumberOp(I8, value));
return this;
}

@@ -332,3 +344,4 @@

this.offset += 2;
this.ops.push(new WriteOp(I16, value));
this.ops.push(new NumberOp(I16, value));
return this;
}

@@ -343,3 +356,4 @@

this.offset += 2;
this.ops.push(new WriteOp(I16BE, value));
this.ops.push(new NumberOp(I16BE, value));
return this;
}

@@ -354,3 +368,4 @@

this.offset += 4;
this.ops.push(new WriteOp(I32, value));
this.ops.push(new NumberOp(I32, value));
return this;
}

@@ -365,3 +380,4 @@

this.offset += 4;
this.ops.push(new WriteOp(I32BE, value));
this.ops.push(new NumberOp(I32BE, value));
return this;
}

@@ -376,3 +392,4 @@

this.offset += 8;
this.ops.push(new WriteOp(I64, value));
this.ops.push(new NumberOp(I64, value));
return this;
}

@@ -387,3 +404,4 @@

this.offset += 8;
this.ops.push(new WriteOp(I64BE, value));
this.ops.push(new NumberOp(I64BE, value));
return this;
}

@@ -398,3 +416,4 @@

this.offset += 8;
this.ops.push(new WriteOp(I64N, value));
this.ops.push(new NumberOp(I64N, value));
return this;
}

@@ -409,3 +428,4 @@

this.offset += 8;
this.ops.push(new WriteOp(I64BEN, value));
this.ops.push(new NumberOp(I64BEN, value));
return this;
}

@@ -420,3 +440,4 @@

this.offset += 4;
this.ops.push(new WriteOp(FL, value));
this.ops.push(new NumberOp(FL, value));
return this;
}

@@ -431,3 +452,4 @@

this.offset += 4;
this.ops.push(new WriteOp(FLBE, value));
this.ops.push(new NumberOp(FLBE, value));
return this;
}

@@ -442,3 +464,4 @@

this.offset += 8;
this.ops.push(new WriteOp(DBL, value));
this.ops.push(new NumberOp(DBL, value));
return this;
}

@@ -453,3 +476,4 @@

this.offset += 8;
this.ops.push(new WriteOp(DBLBE, value));
this.ops.push(new NumberOp(DBLBE, value));
return this;
}

@@ -464,3 +488,4 @@

this.offset += encoding.sizeVarint(value);
this.ops.push(new WriteOp(VARINT, value));
this.ops.push(new NumberOp(VARINT, value));
return this;
}

@@ -475,3 +500,4 @@

this.offset += encoding.sizeVarintN(value);
this.ops.push(new WriteOp(VARINTN, value));
this.ops.push(new NumberOp(VARINTN, value));
return this;
}

@@ -486,3 +512,4 @@

this.offset += encoding.sizeVarint2(value);
this.ops.push(new WriteOp(VARINT2, value));
this.ops.push(new NumberOp(VARINT2, value));
return this;
}

@@ -497,3 +524,4 @@

this.offset += encoding.sizeVarint2N(value);
this.ops.push(new WriteOp(VARINT2N, value));
this.ops.push(new NumberOp(VARINT2N, value));
return this;
}

@@ -508,6 +536,8 @@

if (value.length === 0)
return;
return this;
this.offset += value.length;
this.ops.push(new WriteOp(BYTES, value));
this.ops.push(new BufferOp(BYTES, value));
return this;
}

@@ -522,9 +552,11 @@

this.offset += encoding.sizeVarint(value.length);
this.ops.push(new WriteOp(VARINT, value.length));
this.ops.push(new NumberOp(VARINT, value.length));
if (value.length === 0)
return;
return this;
this.offset += value.length;
this.ops.push(new WriteOp(BYTES, value));
this.ops.push(new BufferOp(BYTES, value));
return this;
}

@@ -543,2 +575,3 @@

this.writeBytes(value);
return this;
}

@@ -554,6 +587,8 @@

if (value.length === 0)
return;
return this;
this.offset += Buffer.byteLength(value, enc);
this.ops.push(new WriteOp(STR, value, enc));
this.ops.push(new StringOp(STR, value, enc));
return this;
}

@@ -570,6 +605,7 @@

this.writeBytes(value);
return;
return this;
}
assert(value.length === 64);
this.writeString(value, 'hex');
return this;
}

@@ -585,4 +621,4 @@

if (value.length === 0) {
this.ops.push(new WriteOp(VARINT, 0));
return;
this.ops.push(new NumberOp(VARINT, 0));
return this;
}

@@ -595,5 +631,6 @@

this.ops.push(new WriteOp(VARINT, size));
this.ops.push(new NumberOp(VARINT, size));
this.ops.push(new StringOp(STR, value, enc));
this.ops.push(new WriteOp(STR, value, enc));
return this;
}

@@ -610,2 +647,3 @@

this.writeU8(0);
return this;
}

@@ -620,3 +658,4 @@

this.offset += 4;
this.ops.push(new WriteOp(CHECKSUM, hash));
this.ops.push(new FunctionOp(CHECKSUM, hash));
return this;
}

@@ -634,6 +673,8 @@

if (size === 0)
return;
return this;
this.offset += size;
this.ops.push(new WriteOp(FILL, value, null, size));
this.ops.push(new FillOp(FILL, value, size));
return this;
}

@@ -647,6 +688,40 @@ }

class WriteOp {
constructor(type, value, enc, size) {
constructor(type) {
this.type = type;
}
}
class NumberOp extends WriteOp {
constructor(type, value) {
super(type);
this.value = value;
}
}
class BufferOp extends WriteOp {
constructor(type, data) {
super(type);
this.data = data;
}
}
class StringOp extends WriteOp {
constructor(type, value, enc) {
super(type);
this.value = value;
this.enc = enc;
}
}
class FunctionOp extends WriteOp {
constructor(type, func) {
super(type);
this.func = func;
}
}
class FillOp extends WriteOp {
constructor(type, value, size) {
super(type);
this.value = value;
this.size = size;

@@ -653,0 +728,0 @@ }

12

package.json
{
"name": "bufio",
"version": "0.0.0",
"version": "0.0.1",
"description": "Buffer and serialization utilities for javascript",

@@ -25,6 +25,6 @@ "keywords": [

"dependencies": {
"n64": "^0.0.18"
"n64": "~0.1.0"
},
"devDependencies": {
"babelify": "^7.3.0",
"babelify": "^8.0.0",
"babel-core": "^6.26.0",

@@ -34,7 +34,7 @@ "babel-loader": "^7.1.2",

"browserify": "^14.5.0",
"eslint": "^4.9.0",
"eslint": "^4.14.0",
"mocha": "^4.0.1",
"uglifyjs-webpack-plugin": "^1.0.0-beta.3",
"uglifyjs-webpack-plugin": "^1.1.5",
"uglify-es": "^3.1.3",
"webpack": "^3.8.1"
"webpack": "^3.10.0"
},

@@ -41,0 +41,0 @@ "engines": {

10

README.md

@@ -8,3 +8,13 @@ # bufio

``` js
const assert = require('assert');
const bio = require('bufio');
const bw = bio.write();
bw.writeU64(100);
bw.writeString('foo', 'ascii');
const data = bw.render();
const br = bio.read(data);
assert(br.readU64() === 100);
assert(br.readString('ascii') === 'foo');
```

@@ -11,0 +21,0 @@

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