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// Generated by CoffeeScript 1.7.1
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(function() {
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var ArrayT, LazyArray, LazyArrayT, NumberT, inspect, utils,
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__hasProp = {}.hasOwnProperty,
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__extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; };
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ArrayT = require('./Array');
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NumberT = require('./Number').Number;
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utils = require('./utils');
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inspect = require('util').inspect;
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LazyArrayT = (function(_super) {
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__extends(LazyArrayT, _super);
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function LazyArrayT() {
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return LazyArrayT.__super__.constructor.apply(this, arguments);
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}
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LazyArrayT.prototype.decode = function(stream, parent) {
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var length, pos, res;
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pos = stream.pos;
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length = utils.resolveLength(this.length, stream, parent);
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if (this.length instanceof NumberT) {
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parent = {
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parent: parent,
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_startOffset: pos,
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_currentOffset: 0,
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_length: length
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};
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}
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res = new LazyArray(this.type, length, stream, parent);
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stream.pos += length * this.type.size(null, parent);
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return res;
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};
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LazyArrayT.prototype.size = function(val, ctx) {
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if (val instanceof LazyArray) {
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val = val.toArray();
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}
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return LazyArrayT.__super__.size.call(this, val, ctx);
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};
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LazyArrayT.prototype.encode = function(stream, val, ctx) {
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if (val instanceof LazyArray) {
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val = val.toArray();
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}
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return LazyArrayT.__super__.encode.call(this, stream, val, ctx);
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};
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return LazyArrayT;
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})(ArrayT);
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LazyArray = (function() {
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function LazyArray(type, length, stream, ctx) {
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this.type = type;
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this.length = length;
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this.stream = stream;
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this.ctx = ctx;
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this.base = this.stream.pos;
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this.items = [];
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}
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LazyArray.prototype.get = function(index) {
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var pos;
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if (index < 0 || index >= this.length) {
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return void 0;
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}
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if (this.items[index] == null) {
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pos = this.stream.pos;
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this.stream.pos = this.base + this.type.size(null, this.ctx) * index;
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this.items[index] = this.type.decode(this.stream, this.ctx);
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this.stream.pos = pos;
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}
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return this.items[index];
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};
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LazyArray.prototype.toArray = function() {
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var i, _i, _ref, _results;
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_results = [];
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for (i = _i = 0, _ref = this.length; _i < _ref; i = _i += 1) {
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_results.push(this.get(i));
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}
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return _results;
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};
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LazyArray.prototype.inspect = function() {
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return inspect(this.toArray());
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};
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return LazyArray;
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})();
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module.exports = LazyArrayT;
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}).call(this);
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