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// Generated by CoffeeScript 1.7.1
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(function() {
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var ArrayT, NumberT, utils;
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NumberT = require('./Number').Number;
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utils = require('./utils');
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ArrayT = (function() {
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function ArrayT(type, length, lengthType) {
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this.type = type;
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this.length = length;
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this.lengthType = lengthType != null ? lengthType : 'count';
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}
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ArrayT.prototype.decode = function(stream, parent) {
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var ctx, i, length, pos, res, target, _i;
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pos = stream.pos;
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res = [];
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ctx = parent;
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if (this.length != null) {
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length = utils.resolveLength(this.length, stream, parent);
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}
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if (this.length instanceof NumberT) {
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Object.defineProperties(res, {
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parent: {
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value: parent
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},
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_startOffset: {
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value: pos
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},
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_currentOffset: {
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value: 0,
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writable: true
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},
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_length: {
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value: length
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}
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});
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ctx = res;
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}
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if ((length == null) || this.lengthType === 'bytes') {
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target = length != null ? stream.pos + length : (parent != null ? parent._length : void 0) ? parent._startOffset + parent._length : stream.length;
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while (stream.pos < target) {
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res.push(this.type.decode(stream, ctx));
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}
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} else {
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for (i = _i = 0; _i < length; i = _i += 1) {
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res.push(this.type.decode(stream, ctx));
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}
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}
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return res;
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};
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ArrayT.prototype.size = function(array, ctx) {
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var item, size, _i, _len;
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if (!array) {
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return this.type.size(null, ctx) * utils.resolveLength(this.length, null, ctx);
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}
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size = 0;
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if (this.length instanceof NumberT) {
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size += this.length.size();
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ctx = {
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parent: ctx
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};
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}
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for (_i = 0, _len = array.length; _i < _len; _i++) {
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item = array[_i];
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size += this.type.size(item, ctx);
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}
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return size;
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};
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ArrayT.prototype.encode = function(stream, array, parent) {
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var ctx, i, item, ptr, _i, _len;
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ctx = parent;
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if (this.length instanceof NumberT) {
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ctx = {
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pointers: [],
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startOffset: stream.pos,
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parent: parent
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};
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ctx.pointerOffset = stream.pos + this.size(array, ctx);
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this.length.encode(stream, array.length);
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}
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for (_i = 0, _len = array.length; _i < _len; _i++) {
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item = array[_i];
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this.type.encode(stream, item, ctx);
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}
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if (this.length instanceof NumberT) {
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i = 0;
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while (i < ctx.pointers.length) {
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ptr = ctx.pointers[i++];
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ptr.type.encode(stream, ptr.val);
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}
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}
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};
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return ArrayT;
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})();
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module.exports = ArrayT;
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}).call(this);
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