Clementine-audio-player-Mac.../3rdparty/taglib/mpeg/id3v2/frames/textidentificationframe.h

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/***************************************************************************
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., 51 Franklin Street, Fifth Floor, Boston, MA *
* 02110-1301 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 TAGLIB_TEXTIDENTIFICATIONFRAME_H
#define TAGLIB_TEXTIDENTIFICATIONFRAME_H
#include "tstringlist.h"
#include "tmap.h"
#include "taglib_export.h"
#include "id3v2frame.h"
namespace TagLib {
namespace ID3v2 {
class Tag;
typedef Map<String, String> KeyConversionMap;
//! An ID3v2 text identification frame implementation
/*!
* This is an implementation of the most common type of ID3v2 frame -- text
* identification frames. There are a number of variations on this. Those
* enumerated in the ID3v2.4 standard are:
*
* <ul>
* <li><b>TALB</b> Album/Movie/Show title</li>
* <li><b>TBPM</b> BPM (beats per minute)</li>
* <li><b>TCOM</b> Composer</li>
* <li><b>TCON</b> Content type</li>
* <li><b>TCOP</b> Copyright message</li>
* <li><b>TDEN</b> Encoding time</li>
* <li><b>TDLY</b> Playlist delay</li>
* <li><b>TDOR</b> Original release time</li>
* <li><b>TDRC</b> Recording time</li>
* <li><b>TDRL</b> Release time</li>
* <li><b>TDTG</b> Tagging time</li>
* <li><b>TENC</b> Encoded by</li>
* <li><b>TEXT</b> Lyricist/Text writer</li>
* <li><b>TFLT</b> File type</li>
* <li><b>TIPL</b> Involved people list</li>
* <li><b>TIT1</b> Content group description</li>
* <li><b>TIT2</b> Title/songname/content description</li>
* <li><b>TIT3</b> Subtitle/Description refinement</li>
* <li><b>TKEY</b> Initial key</li>
* <li><b>TLAN</b> Language(s)</li>
* <li><b>TLEN</b> Length</li>
* <li><b>TMCL</b> Musician credits list</li>
* <li><b>TMED</b> Media type</li>
* <li><b>TMOO</b> Mood</li>
* <li><b>TOAL</b> Original album/movie/show title</li>
* <li><b>TOFN</b> Original filename</li>
* <li><b>TOLY</b> Original lyricist(s)/text writer(s)</li>
* <li><b>TOPE</b> Original artist(s)/performer(s)</li>
* <li><b>TOWN</b> File owner/licensee</li>
* <li><b>TPE1</b> Lead performer(s)/Soloist(s)</li>
* <li><b>TPE2</b> Band/orchestra/accompaniment</li>
* <li><b>TPE3</b> Conductor/performer refinement</li>
* <li><b>TPE4</b> Interpreted, remixed, or otherwise modified by</li>
* <li><b>TPOS</b> Part of a set</li>
* <li><b>TPRO</b> Produced notice</li>
* <li><b>TPUB</b> Publisher</li>
* <li><b>TRCK</b> Track number/Position in set</li>
* <li><b>TRSN</b> Internet radio station name</li>
* <li><b>TRSO</b> Internet radio station owner</li>
* <li><b>TSOA</b> Album sort order</li>
* <li><b>TSOP</b> Performer sort order</li>
* <li><b>TSOT</b> Title sort order</li>
* <li><b>TSRC</b> ISRC (international standard recording code)</li>
* <li><b>TSSE</b> Software/Hardware and settings used for encoding</li>
* <li><b>TSST</b> Set subtitle</li>
* </ul>
*
* The ID3v2 Frames document gives a description of each of these formats
* and the expected order of strings in each. ID3v2::Header::frameID() can
* be used to determine the frame type.
*
* \note If non-Latin1 compatible strings are used with this class, even if
* the text encoding is set to Latin1, the frame will be written using UTF8
* (with the encoding flag appropriately set in the output).
*/
class TAGLIB_EXPORT TextIdentificationFrame : public Frame
{
friend class FrameFactory;
public:
/*!
* Construct an empty frame of type \a type. Uses \a encoding as the
* default text encoding.
*
* \note In this case you must specify the text encoding as it
* resolves the ambiguity between constructors.
*
* \note Please see the note in the class description regarding Latin1.
*/
TextIdentificationFrame(const ByteVector &type, String::Type encoding);
/*!
* This is a dual purpose constructor. \a data can either be binary data
* that should be parsed or (at a minimum) the frame ID.
*/
explicit TextIdentificationFrame(const ByteVector &data);
/*!
* This is a special factory method to create a TIPL (involved people list)
* frame from the given \a properties. Will parse key=[list of values] data
* into the TIPL format as specified in the ID3 standard.
*/
static TextIdentificationFrame *createTIPLFrame(const PropertyMap &properties);
/*!
* This is a special factory method to create a TMCL (musician credits list)
* frame from the given \a properties. Will parse key=[list of values] data
* into the TMCL format as specified in the ID3 standard, where key should be
* of the form instrumentPrefix:instrument.
*/
static TextIdentificationFrame *createTMCLFrame(const PropertyMap &properties);
/*!
* Destroys this TextIdentificationFrame instance.
*/
virtual ~TextIdentificationFrame();
/*!
* Text identification frames are a list of string fields.
*
* This function will accept either a StringList or a String (using the
* StringList constructor that accepts a single String).
*
* \note This will not change the text encoding of the frame even if the
* strings passed in are not of the same encoding. Please use
* setEncoding(s.type()) if you wish to change the encoding of the frame.
*/
void setText(const StringList &l);
// Reimplementations.
virtual void setText(const String &s);
virtual String toString() const;
/*!
* Returns the text encoding that will be used in rendering this frame.
* This defaults to the type that was either specified in the constructor
* or read from the frame when parsed.
*
* \note Please see the note in the class description regarding Latin1.
*
* \see setTextEncoding()
* \see render()
*/
String::Type textEncoding() const;
/*!
* Sets the text encoding to be used when rendering this frame to
* \a encoding.
*
* \note Please see the note in the class description regarding Latin1.
*
* \see textEncoding()
* \see render()
*/
void setTextEncoding(String::Type encoding);
/*!
* Returns a list of the strings in this frame.
*/
StringList fieldList() const;
/*!
* Returns a KeyConversionMap mapping a role as it would be used in a PropertyMap
* to the corresponding key used in a TIPL ID3 frame to describe that role.
*/
static const KeyConversionMap &involvedPeopleMap();
PropertyMap asProperties() const;
protected:
// Reimplementations.
virtual void parseFields(const ByteVector &data);
virtual ByteVector renderFields() const;
/*!
* The constructor used by the FrameFactory.
*/
TextIdentificationFrame(const ByteVector &data, Header *h);
private:
TextIdentificationFrame(const TextIdentificationFrame &);
TextIdentificationFrame &operator=(const TextIdentificationFrame &);
/*!
* Parses the special structure of a TIPL frame
* Only the whitelisted roles "ARRANGER", "ENGINEER", "PRODUCER",
* "DJMIXER" (ID3: "DJ-MIX") and "MIXER" (ID3: "MIX") are allowed.
*/
PropertyMap makeTIPLProperties() const;
/*!
* Parses the special structure of a TMCL frame.
*/
PropertyMap makeTMCLProperties() const;
class TextIdentificationFramePrivate;
TextIdentificationFramePrivate *d;
};
/*!
* This is a specialization of text identification frames that allows for
* user defined entries. Each entry has a description in addition to the
* normal list of fields that a text identification frame has.
*
* This description identifies the frame and must be unique.
*/
//! An ID3v2 custom text identification frame implementation
class TAGLIB_EXPORT UserTextIdentificationFrame : public TextIdentificationFrame
{
friend class FrameFactory;
public:
/*!
* Constructs an empty user defined text identification frame. For this to be
* a useful frame both a description and text must be set.
*/
explicit UserTextIdentificationFrame(String::Type encoding = String::Latin1);
/*!
* Creates a frame based on \a data.
*/
explicit UserTextIdentificationFrame(const ByteVector &data);
/*!
* Creates a user defined text identification frame with the given \a description
* and \a values.
*/
UserTextIdentificationFrame(const String &description, const StringList &values, String::Type encoding = String::UTF8);
virtual String toString() const;
/*!
* Returns the description for this frame.
*/
String description() const;
/*!
* Sets the description of the frame to \a s. \a s must be unique. You can
* check for the presence of another user defined text frame of the same type
* using find() and testing for null.
*/
void setDescription(const String &s);
StringList fieldList() const;
void setText(const String &text);
void setText(const StringList &fields);
/*!
* A UserTextIdentificationFrame is parsed into a PropertyMap as follows:
* - the key is the frame's description, uppercased
* - if the description contains '::', only the substring after that
* separator is considered as key (compatibility with exfalso)
* - if the above rules don't yield a valid key (e.g. containing non-ASCII
* characters), the returned map will contain an entry "TXXX/<description>"
* in its unsupportedData() list.
* - The values will be copies of the fieldList().
* - If the description() appears as value in fieldList(), it will be omitted
* in the value list, in order to be compatible with TagLib which copies
* the description() into the fieldList().
*/
PropertyMap asProperties() const;
/*!
* Searches for the user defined text frame with the description \a description
* in \a tag. This returns null if no matching frames were found.
*/
static UserTextIdentificationFrame *find(Tag *tag, const String &description);
private:
UserTextIdentificationFrame(const ByteVector &data, Header *h);
UserTextIdentificationFrame(const TextIdentificationFrame &);
UserTextIdentificationFrame &operator=(const UserTextIdentificationFrame &);
void checkFields();
class UserTextIdentificationFramePrivate;
UserTextIdentificationFramePrivate *d;
};
}
}
#endif