diff options
Diffstat (limited to 'libs/taglib/taglib/mpeg/id3v2/id3v2framefactory.cpp')
-rw-r--r-- | libs/taglib/taglib/mpeg/id3v2/id3v2framefactory.cpp | 409 |
1 files changed, 0 insertions, 409 deletions
diff --git a/libs/taglib/taglib/mpeg/id3v2/id3v2framefactory.cpp b/libs/taglib/taglib/mpeg/id3v2/id3v2framefactory.cpp deleted file mode 100644 index 0c6f7706f5..0000000000 --- a/libs/taglib/taglib/mpeg/id3v2/id3v2framefactory.cpp +++ /dev/null @@ -1,409 +0,0 @@ -/*************************************************************************** - copyright : (C) 2002 - 2008 by Scott Wheeler - email : wheeler@kde.org - ***************************************************************************/ - -/*************************************************************************** - * This library is free software; you can redistribute it and/or modify * - * it under the terms of the GNU Lesser General Public License version * - * 2.1 as published by the Free Software Foundation. * - * * - * This library is distributed in the hope that it will be useful, but * - * WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * - * Lesser General Public License for more details. * - * * - * You should have received a copy of the GNU Lesser General Public * - * License along with this library; if not, write to the Free Software * - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * - * USA * - * * - * Alternatively, this file is available under the Mozilla Public * - * License Version 1.1. You may obtain a copy of the License at * - * http://www.mozilla.org/MPL/ * - ***************************************************************************/ - -#ifndef HAVE_ZLIB -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#endif - -#include <tdebug.h> - -#include "id3v2framefactory.h" -#include "id3v2synchdata.h" - -#include "frames/attachedpictureframe.h" -#include "frames/commentsframe.h" -#include "frames/relativevolumeframe.h" -#include "frames/textidentificationframe.h" -#include "frames/uniquefileidentifierframe.h" -#include "frames/unknownframe.h" -#include "frames/generalencapsulatedobjectframe.h" -#include "frames/urllinkframe.h" -#include "frames/unsynchronizedlyricsframe.h" - -using namespace TagLib; -using namespace ID3v2; - -class FrameFactory::FrameFactoryPrivate -{ -public: - FrameFactoryPrivate() : - defaultEncoding(String::Latin1), - useDefaultEncoding(false) {} - - String::Type defaultEncoding; - bool useDefaultEncoding; - - template <class T> void setTextEncoding(T *frame) - { - if(useDefaultEncoding) - frame->setTextEncoding(defaultEncoding); - } -}; - -FrameFactory *FrameFactory::factory = 0; - -//////////////////////////////////////////////////////////////////////////////// -// public members -//////////////////////////////////////////////////////////////////////////////// - -FrameFactory *FrameFactory::instance() -{ - if(!factory) - factory = new FrameFactory; - return factory; -} - -Frame *FrameFactory::createFrame(const ByteVector &data, bool synchSafeInts) const -{ - return createFrame(data, uint(synchSafeInts ? 4 : 3)); -} - -Frame *FrameFactory::createFrame(const ByteVector &data, uint version) const -{ - Header tagHeader; - tagHeader.setMajorVersion(version); - return createFrame(data, &tagHeader); -} - -Frame *FrameFactory::createFrame(const ByteVector &origData, Header *tagHeader) const -{ - ByteVector data = origData; - uint version = tagHeader->majorVersion(); - Frame::Header *header = new Frame::Header(data, version); - ByteVector frameID = header->frameID(); - - // A quick sanity check -- make sure that the frameID is 4 uppercase Latin1 - // characters. Also make sure that there is data in the frame. - - if(!frameID.size() == (version < 3 ? 3 : 4) || - header->frameSize() <= uint(header->dataLengthIndicator() ? 4 : 0) || - header->frameSize() > data.size()) - { - delete header; - return 0; - } - - for(ByteVector::ConstIterator it = frameID.begin(); it != frameID.end(); it++) { - if( (*it < 'A' || *it > 'Z') && (*it < '1' || *it > '9') ) { - delete header; - return 0; - } - } - - if(version > 3 && (tagHeader->unsynchronisation() || header->unsynchronisation())) { - // Data lengths are not part of the encoded data, but since they are synch-safe - // integers they will be never actually encoded. - ByteVector frameData = data.mid(Frame::Header::size(version), header->frameSize()); - frameData = SynchData::decode(frameData); - data = data.mid(0, Frame::Header::size(version)) + frameData; - } - - // TagLib doesn't mess with encrypted frames, so just treat them - // as unknown frames. - -#if HAVE_ZLIB == 0 - if(header->compression()) { - debug("Compressed frames are currently not supported."); - return new UnknownFrame(data, header); - } -#endif - if(header->encryption()) { - debug("Encrypted frames are currently not supported."); - return new UnknownFrame(data, header); - } - - if(!updateFrame(header)) { - header->setTagAlterPreservation(true); - return new UnknownFrame(data, header); - } - - // updateFrame() might have updated the frame ID. - - frameID = header->frameID(); - - // This is where things get necissarily nasty. Here we determine which - // Frame subclass (or if none is found simply an Frame) based - // on the frame ID. Since there are a lot of possibilities, that means - // a lot of if blocks. - - // Text Identification (frames 4.2) - - if(frameID.startsWith("T")) { - - TextIdentificationFrame *f = frameID != "TXXX" - ? new TextIdentificationFrame(data, header) - : new UserTextIdentificationFrame(data, header); - - d->setTextEncoding(f); - - if(frameID == "TCON") - updateGenre(f); - - return f; - } - - // Comments (frames 4.10) - - if(frameID == "COMM") { - CommentsFrame *f = new CommentsFrame(data, header); - d->setTextEncoding(f); - return f; - } - - // Attached Picture (frames 4.14) - - if(frameID == "APIC") { - AttachedPictureFrame *f = new AttachedPictureFrame(data, header); - d->setTextEncoding(f); - return f; - } - - // Relative Volume Adjustment (frames 4.11) - - if(frameID == "RVA2") - return new RelativeVolumeFrame(data, header); - - // Unique File Identifier (frames 4.1) - - if(frameID == "UFID") - return new UniqueFileIdentifierFrame(data, header); - - // General Encapsulated Object (frames 4.15) - - if(frameID == "GEOB") { - GeneralEncapsulatedObjectFrame *f = new GeneralEncapsulatedObjectFrame(data, header); - d->setTextEncoding(f); - return f; - } - - // URL link (frames 4.3) - - if(frameID.startsWith("W")) { - if(frameID != "WXXX") { - return new UrlLinkFrame(data, header); - } - else { - UserUrlLinkFrame *f = new UserUrlLinkFrame(data, header); - d->setTextEncoding(f); - return f; - } - } - - // Unsynchronized lyric/text transcription (frames 4.8) - - if(frameID == "USLT") { - UnsynchronizedLyricsFrame *f = new UnsynchronizedLyricsFrame(data, header); - if(d->useDefaultEncoding) - f->setTextEncoding(d->defaultEncoding); - return f; - } - - return new UnknownFrame(data, header); -} - -String::Type FrameFactory::defaultTextEncoding() const -{ - return d->defaultEncoding; -} - -void FrameFactory::setDefaultTextEncoding(String::Type encoding) -{ - d->useDefaultEncoding = true; - d->defaultEncoding = encoding; -} - -//////////////////////////////////////////////////////////////////////////////// -// protected members -//////////////////////////////////////////////////////////////////////////////// - -FrameFactory::FrameFactory() -{ - d = new FrameFactoryPrivate; -} - -FrameFactory::~FrameFactory() -{ - delete d; -} - -bool FrameFactory::updateFrame(Frame::Header *header) const -{ - TagLib::ByteVector frameID = header->frameID(); - - switch(header->version()) { - - case 2: // ID3v2.2 - { - if(frameID == "CRM" || - frameID == "EQU" || - frameID == "LNK" || - frameID == "RVA" || - frameID == "TIM" || - frameID == "TSI") - { - debug("ID3v2.4 no longer supports the frame type " + String(frameID) + - ". It will be discarded from the tag."); - return false; - } - - // ID3v2.2 only used 3 bytes for the frame ID, so we need to convert all of - // the frames to their 4 byte ID3v2.4 equivalent. - - convertFrame("BUF", "RBUF", header); - convertFrame("CNT", "PCNT", header); - convertFrame("COM", "COMM", header); - convertFrame("CRA", "AENC", header); - convertFrame("ETC", "ETCO", header); - convertFrame("GEO", "GEOB", header); - convertFrame("IPL", "TIPL", header); - convertFrame("MCI", "MCDI", header); - convertFrame("MLL", "MLLT", header); - convertFrame("PIC", "APIC", header); - convertFrame("POP", "POPM", header); - convertFrame("REV", "RVRB", header); - convertFrame("SLT", "SYLT", header); - convertFrame("STC", "SYTC", header); - convertFrame("TAL", "TALB", header); - convertFrame("TBP", "TBPM", header); - convertFrame("TCM", "TCOM", header); - convertFrame("TCO", "TCON", header); - convertFrame("TCR", "TCOP", header); - convertFrame("TDA", "TDRC", header); - convertFrame("TDY", "TDLY", header); - convertFrame("TEN", "TENC", header); - convertFrame("TFT", "TFLT", header); - convertFrame("TKE", "TKEY", header); - convertFrame("TLA", "TLAN", header); - convertFrame("TLE", "TLEN", header); - convertFrame("TMT", "TMED", header); - convertFrame("TOA", "TOAL", header); - convertFrame("TOF", "TOFN", header); - convertFrame("TOL", "TOLY", header); - convertFrame("TOR", "TDOR", header); - convertFrame("TOT", "TOAL", header); - convertFrame("TP1", "TPE1", header); - convertFrame("TP2", "TPE2", header); - convertFrame("TP3", "TPE3", header); - convertFrame("TP4", "TPE4", header); - convertFrame("TPA", "TPOS", header); - convertFrame("TPB", "TPUB", header); - convertFrame("TRC", "TSRC", header); - convertFrame("TRD", "TDRC", header); - convertFrame("TRK", "TRCK", header); - convertFrame("TSS", "TSSE", header); - convertFrame("TT1", "TIT1", header); - convertFrame("TT2", "TIT2", header); - convertFrame("TT3", "TIT3", header); - convertFrame("TXT", "TOLY", header); - convertFrame("TXX", "TXXX", header); - convertFrame("TYE", "TDRC", header); - convertFrame("UFI", "UFID", header); - convertFrame("ULT", "USLT", header); - convertFrame("WAF", "WOAF", header); - convertFrame("WAR", "WOAR", header); - convertFrame("WAS", "WOAS", header); - convertFrame("WCM", "WCOM", header); - convertFrame("WCP", "WCOP", header); - convertFrame("WPB", "WPUB", header); - convertFrame("WXX", "WXXX", header); - - break; - } - - case 3: // ID3v2.3 - { - if(frameID == "EQUA" || - frameID == "RVAD" || - frameID == "TIME" || - frameID == "TRDA" || - frameID == "TSIZ" || - frameID == "TDAT") - { - debug("ID3v2.4 no longer supports the frame type " + String(frameID) + - ". It will be discarded from the tag."); - return false; - } - - convertFrame("TORY", "TDOR", header); - convertFrame("TYER", "TDRC", header); - - break; - } - - default: - - // This should catch a typo that existed in TagLib up to and including - // version 1.1 where TRDC was used for the year rather than TDRC. - - convertFrame("TRDC", "TDRC", header); - break; - } - - return true; -} - -//////////////////////////////////////////////////////////////////////////////// -// private members -//////////////////////////////////////////////////////////////////////////////// - -void FrameFactory::convertFrame(const char *from, const char *to, - Frame::Header *header) const -{ - if(header->frameID() != from) - return; - - // debug("ID3v2.4 no longer supports the frame type " + String(from) + " It has" + - // "been converted to the type " + String(to) + "."); - - header->setFrameID(to); -} - -void FrameFactory::updateGenre(TextIdentificationFrame *frame) const -{ - StringList fields; - String s = frame->toString(); - - while(s.startsWith("(")) { - - int closing = s.find(")"); - - if(closing < 0) - break; - - fields.append(s.substr(1, closing - 1)); - - s = s.substr(closing + 1); - } - - if(!s.isEmpty()) - fields.append(s); - - if(fields.isEmpty()) - fields.append(String::null); - - frame->setText(fields); -} |