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Miam-Player
0.8.0
A nice music player
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An implementation of ID3v2 comments. More...
#include <commentsframe.h>
Public Member Functions | |
CommentsFrame (String::Type encoding=String::Latin1) | |
Construct an empty comment frame that will use the text encoding encoding. More... | |
CommentsFrame (const ByteVector &data) | |
Construct a comment based on the data in data. More... | |
virtual | ~CommentsFrame () |
Destroys this CommentFrame instance. More... | |
virtual String | toString () const |
Returns the text of this comment. More... | |
ByteVector | language () const |
Returns the language encoding as a 3 byte encoding as specified by ISO-639-2. More... | |
String | description () const |
Returns the description of this comment. More... | |
String | text () const |
Returns the text of this comment. More... | |
void | setLanguage (const ByteVector &languageCode) |
Set the language using the 3 byte language code from ISO-639-2 to languageCode. More... | |
void | setDescription (const String &s) |
Sets the description of the comment to s. More... | |
virtual void | setText (const String &s) |
Sets the text portion of the comment to s. More... | |
String::Type | textEncoding () const |
Returns the text encoding that will be used in rendering this frame. More... | |
void | setTextEncoding (String::Type encoding) |
Sets the text encoding to be used when rendering this frame to encoding. More... | |
PropertyMap | asProperties () const |
Parses this frame as PropertyMap with a single key. More... | |
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virtual | ~Frame () |
Destroys this Frame instance. More... | |
ByteVector | frameID () const |
Returns the Frame ID (Structure, 4) (Frames, 4) More... | |
unsigned int | size () const |
Returns the size of the frame. More... | |
void | setData (const ByteVector &data) |
Sets the data that will be used as the frame. More... | |
ByteVector | render () const |
Render the frame back to its binary format in a ByteVector. More... | |
Header (const ByteVector &data, bool synchSafeInts) | |
Construct a Frame Header based on data. More... | |
Header (const ByteVector &data, unsigned int version=4) | |
Construct a Frame Header based on data. More... | |
virtual | ~Header () |
Destroys this Header instance. More... | |
void | setData (const ByteVector &data, bool synchSafeInts) |
Sets the data for the Header. More... | |
void | setData (const ByteVector &data, unsigned int version=4) |
Sets the data for the Header. More... | |
ByteVector | frameID () const |
Returns the Frame ID (Structure, 4) (Frames, 4) More... | |
void | setFrameID (const ByteVector &id) |
Sets the frame's ID to id. More... | |
unsigned int | frameSize () const |
Returns the size of the frame data portion, as set when setData() was called or set explicitly via setFrameSize(). More... | |
void | setFrameSize (unsigned int size) |
Sets the size of the frame data portion. More... | |
unsigned int | version () const |
Returns the ID3v2 version of the header, as passed in from the construction of the header or set via setVersion(). More... | |
void | setVersion (unsigned int version) |
Sets the ID3v2 version of the header, changing has impact on the correct parsing/rendering of frame data. More... | |
bool | tagAlterPreservation () const |
Returns true if the flag for tag alter preservation is set. More... | |
void | setTagAlterPreservation (bool discard) |
Sets the flag for preservation of this frame if the tag is set. More... | |
bool | fileAlterPreservation () const |
Returns true if the flag for file alter preservation is set. More... | |
bool | readOnly () const |
Returns true if the frame is meant to be read only. More... | |
bool | groupingIdentity () const |
Returns true if the flag for the grouping identity is set. More... | |
bool | compression () const |
Returns true if compression is enabled for this frame. More... | |
bool | encryption () const |
Returns true if encryption is enabled for this frame. More... | |
bool | unsycronisation () const |
bool | unsynchronisation () const |
Returns true if unsynchronisation is enabled for this frame. More... | |
bool | dataLengthIndicator () const |
Returns true if the flag for a data length indicator is set. More... | |
ByteVector | render () const |
Render the Header back to binary format in a ByteVector. More... | |
bool | frameAlterPreservation () const |
Static Public Member Functions | |
static CommentsFrame * | findByDescription (const Tag *tag, const String &d) |
Comments each have a unique description. More... | |
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static Frame * | createTextualFrame (const String &key, const StringList &values) |
Creates a textual frame which corresponds to a single key in the PropertyMap interface. More... | |
static unsigned int | headerSize () |
Returns the size of the frame header. More... | |
static unsigned int | headerSize (unsigned int version) |
Returns the size of the frame header for the given ID3v2 version. More... | |
static ByteVector | textDelimiter (String::Type t) |
Returns the text delimiter that is used between fields for the string type t. More... | |
static unsigned int | size () |
Returns the size of the frame header in bytes. More... | |
static unsigned int | size (unsigned int version) |
Returns the size of the frame header in bytes for the ID3v2 version that's given. More... | |
Protected Member Functions | |
virtual void | parseFields (const ByteVector &data) |
Called by parse() to parse the field data. More... | |
virtual ByteVector | renderFields () const |
Render the field data back to a binary format in a ByteVector. More... | |
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Frame (const ByteVector &data) | |
Constructs an ID3v2 frame using data to read the header information. More... | |
Frame (Header *h) | |
This creates an Frame using the header h. More... | |
Header * | header () const |
Returns a pointer to the frame header. More... | |
void | setHeader (Header *h, bool deleteCurrent=true) |
Sets the header to h. More... | |
void | parse (const ByteVector &data) |
Called by setData() to parse the frame data. More... | |
ByteVector | fieldData (const ByteVector &frameData) const |
Returns a ByteVector containing the field data given the frame data. More... | |
String | readStringField (const ByteVector &data, String::Type encoding, int *positon=0) |
Reads a String of type encoding from the ByteVector data. More... | |
String::Type | checkTextEncoding (const StringList &fields, String::Type encoding) const |
Checks a the list of string values to see if they can be used with the specified encoding and returns the recommended encoding. More... | |
PropertyMap | asProperties () const |
Parses the contents of this frame as PropertyMap. More... | |
Friends | |
class | FrameFactory |
Additional Inherited Members | |
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static const String | instrumentPrefix |
The string with which an instrument name is prefixed to build a key in a PropertyMap; used to translate PropertyMaps to TMCL frames. More... | |
static const String | commentPrefix |
The PropertyMap key prefix which triggers the use of a COMM frame instead of a TXXX frame for a non-standard key. More... | |
static const String | lyricsPrefix |
The PropertyMap key prefix which triggers the use of a USLT frame instead of a TXXX frame for a non-standard key. More... | |
static const String | urlPrefix |
The PropertyMap key prefix which triggers the use of a WXXX frame instead of a TXX frame for a non-standard key. More... | |
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static String::Type | checkEncoding (const StringList &fields, String::Type encoding) |
Checks a the list of string values to see if they can be used with the specified encoding and returns the recommended encoding. More... | |
static String::Type | checkEncoding (const StringList &fields, String::Type encoding, unsigned int version) |
Checks a the list of string values to see if they can be used with the specified encoding and returns the recommended encoding. More... | |
static ByteVector | keyToFrameID (const String &) |
Returns an appropriate ID3 frame ID for the given free-form tag key. More... | |
static String | frameIDToKey (const ByteVector &) |
Returns a free-form tag name for the given ID3 frame ID. More... | |
static String | keyToTXXX (const String &) |
Returns an appropriate TXXX frame description for the given free-form tag key. More... | |
static String | txxxToKey (const String &) |
Returns a free-form tag name for the given ID3 frame description. More... | |
static void | splitProperties (const PropertyMap &original, PropertyMap &singleFrameProperties, PropertyMap &tiplProperties, PropertyMap &tmclProperties) |
This helper function splits the PropertyMap original into three ProperytMaps singleFrameProperties, tiplProperties, and tmclProperties, such that: More... | |
An implementation of ID3v2 comments.
This implements the ID3v2 comment format. An ID3v2 comment consists of a language encoding, a description and a single text field.
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explicit |
Construct an empty comment frame that will use the text encoding encoding.
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explicit |
Construct a comment based on the data in data.
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virtual |
Destroys this CommentFrame instance.
PropertyMap TagLib::ID3v2::CommentsFrame::asProperties | ( | ) | const |
Parses this frame as PropertyMap with a single key.
String TagLib::ID3v2::CommentsFrame::description | ( | ) | const |
Returns the description of this comment.
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static |
Comments each have a unique description.
This searches for a comment frame with the description d and returns a pointer to it. If no frame is found that matches the given description null is returned.
ByteVector TagLib::ID3v2::CommentsFrame::language | ( | ) | const |
Returns the language encoding as a 3 byte encoding as specified by ISO-639-2.
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protectedvirtual |
Called by parse() to parse the field data.
It makes this information available through the public API. This must be overridden by the subclasses.
Implements TagLib::ID3v2::Frame.
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protectedvirtual |
Render the field data back to a binary format in a ByteVector.
This must be overridden by subclasses.
Implements TagLib::ID3v2::Frame.
void TagLib::ID3v2::CommentsFrame::setDescription | ( | const String & | s | ) |
Sets the description of the comment to s.
void TagLib::ID3v2::CommentsFrame::setLanguage | ( | const ByteVector & | languageCode | ) |
Set the language using the 3 byte language code from ISO-639-2 to languageCode.
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virtual |
void TagLib::ID3v2::CommentsFrame::setTextEncoding | ( | String::Type | encoding | ) |
Sets the text encoding to be used when rendering this frame to encoding.
String TagLib::ID3v2::CommentsFrame::text | ( | ) | const |
Returns the text of this comment.
String::Type TagLib::ID3v2::CommentsFrame::textEncoding | ( | ) | 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.
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virtual |
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friend |