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// Generated by CoffeeScript 1.7.1
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(function() {
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var NumberT, StringT, utils;
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NumberT = require('./Number').Number;
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utils = require('./utils');
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StringT = (function() {
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function StringT(length, encoding) {
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this.length = length;
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this.encoding = encoding != null ? encoding : 'ascii';
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}
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StringT.prototype.decode = function(stream, parent) {
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var buffer, encoding, length, pos, string;
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length = (function() {
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if (this.length != null) {
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return utils.resolveLength(this.length, stream, parent);
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} else {
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buffer = stream.buffer, length = stream.length, pos = stream.pos;
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while (pos < length && buffer[pos] !== 0x00) {
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++pos;
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}
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return pos - stream.pos;
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}
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}).call(this);
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encoding = this.encoding;
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if (typeof encoding === 'function') {
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encoding = encoding.call(parent, parent) || 'ascii';
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}
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string = stream.readString(length, encoding);
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if ((this.length == null) && stream.pos < stream.length) {
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stream.pos++;
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}
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return string;
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};
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StringT.prototype.size = function(val, parent) {
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var encoding, size;
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if (!val) {
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return utils.resolveLength(this.length, null, parent);
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}
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encoding = this.encoding;
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if (typeof encoding === 'function') {
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encoding = encoding.call(parent != null ? parent.val : void 0, parent != null ? parent.val : void 0) || 'ascii';
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}
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if (encoding === 'utf16be') {
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encoding = 'utf16le';
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}
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size = Buffer.byteLength(val, encoding);
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if (this.length instanceof NumberT) {
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size += this.length.size();
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}
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if (this.length == null) {
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size++;
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}
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return size;
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};
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StringT.prototype.encode = function(stream, val, parent) {
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var encoding;
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encoding = this.encoding;
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if (typeof encoding === 'function') {
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encoding = encoding.call(parent != null ? parent.val : void 0, parent != null ? parent.val : void 0) || 'ascii';
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}
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if (this.length instanceof NumberT) {
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this.length.encode(stream, Buffer.byteLength(val, encoding));
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}
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stream.writeString(val, encoding);
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if (this.length == null) {
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return stream.writeUInt8(0x00);
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}
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};
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return StringT;
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})();
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module.exports = StringT;
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}).call(this);
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