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Side by Side Diff: chrome/browser/resources/file_manager/js/metadata/id3_parser.js

Issue 12254008: Files.app: Add missing JSdoc for member methods/variables #2. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 10 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 importScripts('function_sequence.js'); 5 importScripts('function_sequence.js');
6 importScripts('function_parallel.js'); 6 importScripts('function_parallel.js');
7 7
8 function Id3Parser(parent) { 8 function Id3Parser(parent) {
9 MetadataParser.call(this, parent, 'id3', /\.(mp3)$/i); 9 MetadataParser.call(this, parent, 'id3', /\.(mp3)$/i);
10 } 10 }
(...skipping 106 matching lines...) Expand 10 before | Expand all | Expand 10 after
117 end - reader.tell()); 117 end - reader.tell());
118 118
119 frame.value = this.readString_( 119 frame.value = this.readString_(
120 reader, 120 reader,
121 frame.encoding, 121 frame.encoding,
122 end - reader.tell()); 122 end - reader.tell());
123 }; 123 };
124 124
125 /** 125 /**
126 * @private 126 * @private
127 * @param {ByteReader} reader Reader to use.
128 * @param {number} majorVersion Major id3 version to use.
129 * @param {Object} frame Frame so store data at.
130 * @param {number} end Frame end position in reader.
127 */ 131 */
128 Id3Parser.prototype.readPIC_ = function(reader, majorVersion, frame, end) { 132 Id3Parser.prototype.readPIC_ = function(reader, majorVersion, frame, end) {
129 frame.encoding = reader.readScalar(1, false, end); 133 frame.encoding = reader.readScalar(1, false, end);
130 frame.format = reader.readNullTerminatedString(3, end - reader.tell()); 134 frame.format = reader.readNullTerminatedString(3, end - reader.tell());
131 frame.pictureType = reader.readScalar(1, false, end); 135 frame.pictureType = reader.readScalar(1, false, end);
132 frame.description = this.readString_(reader, 136 frame.description = this.readString_(reader,
133 frame.encoding, 137 frame.encoding,
134 end - reader.tell()); 138 end - reader.tell());
135 139
136 140
137 if (frame.format == '-->') { 141 if (frame.format == '-->') {
138 frame.imageUrl = reader.readNullTerminatedString(end - reader.tell()); 142 frame.imageUrl = reader.readNullTerminatedString(end - reader.tell());
139 } else { 143 } else {
140 frame.imageUrl = reader.readImage(end - reader.tell()); 144 frame.imageUrl = reader.readImage(end - reader.tell());
141 } 145 }
142 }; 146 };
143 147
144 /** 148 /**
145 * @private 149 * @private
150 * @param {ByteReader} reader Reader to use.
151 * @param {number} majorVersion Major id3 version to use.
152 * @param {Object} frame Frame so store data at.
153 * @param {number} end Frame end position in reader.
146 */ 154 */
147 Id3Parser.prototype.readAPIC_ = function(reader, majorVersion, frame, end) { 155 Id3Parser.prototype.readAPIC_ = function(reader, majorVersion, frame, end) {
148 this.vlog('Extracting picture'); 156 this.vlog('Extracting picture');
149 frame.encoding = reader.readScalar(1, false, end); 157 frame.encoding = reader.readScalar(1, false, end);
150 frame.mime = reader.readNullTerminatedString(end - reader.tell()); 158 frame.mime = reader.readNullTerminatedString(end - reader.tell());
151 frame.pictureType = reader.readScalar(1, false, end); 159 frame.pictureType = reader.readScalar(1, false, end);
152 frame.description = this.readString_( 160 frame.description = this.readString_(
153 reader, 161 reader,
154 frame.encoding, 162 frame.encoding,
155 end - reader.tell()); 163 end - reader.tell());
(...skipping 64 matching lines...) Expand 10 before | Expand all | Expand 10 after
220 reader.tell() + frame.size); 228 reader.tell() + frame.size);
221 } 229 }
222 230
223 reader.popSeek(); 231 reader.popSeek();
224 232
225 reader.seek(frame.size + frame.headerSize, ByteReader.SEEK_CUR); 233 reader.seek(frame.size + frame.headerSize, ByteReader.SEEK_CUR);
226 234
227 return frame; 235 return frame;
228 }; 236 };
229 237
238 /**
239 * @param {File} file //TODO(JSDOC).
240 * @param {Object} metadata //TODO(JSDOC).
241 * @param {function(Object)} callback //TODO(JSDOC).
242 * @param {function(etring)} onError //TODO(JSDOC).
243 */
230 Id3Parser.prototype.parse = function(file, metadata, callback, onError) { 244 Id3Parser.prototype.parse = function(file, metadata, callback, onError) {
231 var self = this; 245 var self = this;
232 246
233 this.log('Starting id3 parser for ' + file.name); 247 this.log('Starting id3 parser for ' + file.name);
234 248
235 var id3v1Parser = new FunctionSequence( 249 var id3v1Parser = new FunctionSequence(
236 'id3v1parser', 250 'id3v1parser',
237 [ 251 [
238 /** 252 /**
239 * Reads last 128 bytes of file in bytebuffer, 253 * Reads last 128 bytes of file in bytebuffer,
(...skipping 440 matching lines...) Expand 10 before | Expand all | Expand 10 after
680 TYER: 'ID3_YEAR', 694 TYER: 'ID3_YEAR',
681 WCOP: 'ID3_COPYRIGHT', 695 WCOP: 'ID3_COPYRIGHT',
682 WOAF: 'ID3_OFFICIAL_AUDIO_FILE_WEBPAGE', 696 WOAF: 'ID3_OFFICIAL_AUDIO_FILE_WEBPAGE',
683 WOAR: 'ID3_OFFICIAL_ARTIST', 697 WOAR: 'ID3_OFFICIAL_ARTIST',
684 WOAS: 'ID3_OFFICIAL_AUDIO_SOURCE_WEBPAGE', 698 WOAS: 'ID3_OFFICIAL_AUDIO_SOURCE_WEBPAGE',
685 WPUB: 'ID3_PUBLISHERS_OFFICIAL_WEBPAGE' 699 WPUB: 'ID3_PUBLISHERS_OFFICIAL_WEBPAGE'
686 } 700 }
687 }; 701 };
688 702
689 MetadataDispatcher.registerParserClass(Id3Parser); 703 MetadataDispatcher.registerParserClass(Id3Parser);
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