230 lines
7.9 KiB
JavaScript
230 lines
7.9 KiB
JavaScript
(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
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if (typeof pluie == 'undefined') {
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pluie = { bin : {}};
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}
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require('./lib/bin')(pluie.bin);
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module.exports = pluie;
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},{"./lib/bin":2}],2:[function(require,module,exports){
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'use strict';
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module.exports = function (ns) {
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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String.prototype.removeEndNullBytes = function() {
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return this.replace(/\0+$/g, '');
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}
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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String.prototype.removeStartNullBytes = function() {
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return this.replace(/^\0+/g, '');
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}
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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ns.enc = new TextEncoder("utf-8");
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ns.dec = new TextDecoder("utf-8", {fatal: true});
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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ns.intFromBytes = function(bytes)
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{
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var value = null;
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if (bytes!=null && bytes.length > 0) {
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// Big Endian
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for (var i = value = 0, lim = bytes.length; i < lim; i++) {
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value = value * 256 + bytes[i];
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}
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}
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return value;
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};
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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ns.bytesFromInt = function(value, size)
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{
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var bytes = new Uint8Array(size);
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while (value) {
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bytes.set([value & 255], --size);
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value >>= 8;
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}
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return bytes;
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};
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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ns.pack = function(size, type, value)
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{
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var packed = null
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if (type == 'n' || type == 'N') {
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// js int max on 32 signed bits
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if (value >= 0 && value <= 2147483647) {
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packed = this.bytesFromInt(value, type == 'n' ? 2 : 4);
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}
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}
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else if (type == 'a') {
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packed = new Uint8Array(size);
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packed.set(this.enc.encode(value), 0);
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}
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return packed;
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};
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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ns.unpack = function(size, type, bytes)
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{
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var unpacked = null
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if (type == 'n' || type == 'N') {
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var selByte = bytes.slice(0, size*(type == 'n' ? 2 : 4));
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unpacked = this.intFromBytes(selByte);
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}
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else if (type == 'a') {
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unpacked = this.dec.decode(bytes.slice(0, size)).removeEndNullBytes();
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}
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return unpacked;
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};
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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ns.mergeBuffers = function(bufferArray)
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{
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var maxLength = 0;
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for(var i=0, lim=bufferArray.length; i < lim; i++) {
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if (bufferArray[i] != null) {
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maxLength += bufferArray[i].byteLength;
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}
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}
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var tmp = new Uint8Array(maxLength);
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for(var i=0, pos = 0, lim=bufferArray.length; i < lim; i++) {
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if (bufferArray[i] != null) {
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tmp.set(new Uint8Array(bufferArray[i]), pos);
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pos += bufferArray[i].byteLength;
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}
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}
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return tmp;
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};
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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ns.getBuffer = function(array, size)
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{
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var buffer = new Uint8Array(!size ? array.length : size);
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buffer.set(new Uint8Array(array), 0);
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return buffer;
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};
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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require('./file')(ns);
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return ns;
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}
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},{"./file":3}],3:[function(require,module,exports){
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'use strict';
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module.exports = function (ns) {
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require('./header')(ns);
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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ns.File = function(binary, header) {
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this.header = header;
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this.binary = binary;
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this.extractProperties = function(binary) {
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if (!binary) binary = this.binary;
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if (binary != null && binary.length >= this.header.def.length) {
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this.header.def.map.forEach (function(prop) {
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var bytes = binary.slice(prop.offset, prop.offset+prop.length);
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var unpacked = ns.unpack(prop.size, prop.type, bytes);
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prop.value = unpacked;
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});
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}
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};
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this.buildProperties = function(properties) {
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var data = [];
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this.header.buildProperties(properties);
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this.header.def.map.forEach (function(prop) {
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var packed = ns.pack(prop.size, prop.type, prop.value);
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data.push(packed);
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});
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data = ns.mergeBuffers(data);
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};
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this.extractProperties(binary);
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}
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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ns.smpFile = function(binary) {
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return new ns.File(binary, new ns.Header([
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['signature', 'a', 9, '∢SMP0.2'],
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['size' , 'N', 1, ''],
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['id' , 'N', 1, ''],
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['from' , 'a', 32, ''],
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['to' , 'a', 32, ''],
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['channel' , 'a', 32, ''],
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['command' , 'n', 1, ''],
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['index' , 'n', 1, ''],
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['split' , 'n', 1, '']
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]));
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}
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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ns.smpsFile = function(binary) {
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return new ns.File(binary, new ns.Header([
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['signature', 'a', 13, 'ﷸSMPS0.2∢'],
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['size' , 'N', 1, ''],
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['nonce' , 'a', 12, ''],
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['cypher' , 'a', 135, '']
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]));
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}
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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ns.smpaFile = function(binary) {
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return new ns.BaseFile(binary, new ns.Header([
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['signature', 'a', 13, 'ﷸSMPA0.2∢'],
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['size' , 'N', 1, ''],
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['nonce' , 'a', 24, ''],
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['cypher' , 'a', 199, '']
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]));
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}
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}
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},{"./header":4}],4:[function(require,module,exports){
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'use strict';
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module.exports = function (ns) {
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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var HeaderProperty = function(name, type, size, defaultValue)
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{
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this.name = name;
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this.type = type;
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this.size = size;
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this.length = type == 'N' ? size*4 : (type == 'n' ? size*2 : size );
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this.value = defaultValue;
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};
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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var HeaderDef = function(mapData)
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{
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var map = [];
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mapData.forEach(function (def) {
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map.push(new HeaderProperty(def[0], def[1], def[2], def[3]));
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});
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this.map = map;
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var keys = [];
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var indexes = {};
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var offset = 0;
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var index = 0;
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this.map.forEach(function(prop) {
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prop.offset = offset;
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keys[keys.length] = prop.name;
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offset += prop.length;
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indexes[prop.name] = index++;
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});
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this.indexes = indexes;
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this.keys = keys;
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this.length = offset;
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this.getProperty = function(key) {
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return this.map[this.indexes[key]];
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}
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};
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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ns.Header = function(def) {
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this.def = new HeaderDef(def);
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this.value = function(key) {
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return this.def.getProperty(key).value;
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};
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this.buildProperties = function(properties) {
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this.def.map.forEach(function(prop) {
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if (prop.name != 'signature') {
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if (typeof properties[prop.name] != 'undefined') {
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prop.value = properties[prop.name];
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}
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}
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});
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};
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}
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}
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},{}]},{},[1]);
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