diff options
Diffstat (limited to 'Src/id3v2/id3_field.cpp')
| -rw-r--r-- | Src/id3v2/id3_field.cpp | 520 |
1 files changed, 520 insertions, 0 deletions
diff --git a/Src/id3v2/id3_field.cpp b/Src/id3v2/id3_field.cpp new file mode 100644 index 00000000..4b21cb77 --- /dev/null +++ b/Src/id3v2/id3_field.cpp @@ -0,0 +1,520 @@ +// The authors have released ID3Lib as Public Domain (PD) and claim no copyright, +// patent or other intellectual property protection in this work. This means that +// it may be modified, redistributed and used in commercial and non-commercial +// software and hardware without restrictions. ID3Lib is distributed on an "AS IS" +// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. +// +// The ID3Lib authors encourage improvements and optimisations to be sent to the +// ID3Lib coordinator, currently Dirk Mahoney (dirk@id3.org). Approved +// submissions may be altered, and will be included and released under these terms. +// +// Mon Nov 23 18:34:01 1998 + +// improved/optimized/whatever 10/30/00 JF + +#include <windows.h> +#include <string.h> +#include "id3_field.h" + +static ID3_FieldDef ID3FD_URL[] = +{ + {ID3FN_URL, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD}, + {ID3FN_NOFIELD } +}; + + +static ID3_FieldDef ID3FD_UserURL[] = +{ + // FIELD FIELD FIXED RENDER IF OR + // NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD + {ID3FN_TEXTENC, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_DESCRIPTION, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL | ID3FF_ADJUSTENC, ID3FN_NOFIELD }, + {ID3FN_URL, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_NOFIELD } +}; + + +static ID3_FieldDef ID3FD_Text[] = +{ + // FIELD FIELD FIXED RENDER IF OR + // NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD + {ID3FN_TEXTENC, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_TEXT, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_ADJUSTENC, ID3FN_NOFIELD }, + {ID3FN_NOFIELD } +}; + + +static ID3_FieldDef ID3FD_UserText[] = +{ + // FIELD FIELD FIXED RENDER IF OR + // NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD + {ID3FN_TEXTENC, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_DESCRIPTION, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL | ID3FF_ADJUSTENC, ID3FN_NOFIELD }, + {ID3FN_TEXT, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_ADJUSTENC, ID3FN_NOFIELD }, + {ID3FN_NOFIELD } +}; + + +static ID3_FieldDef ID3FD_GeneralText[] = +{ + // FIELD FIELD FIXED RENDER IF OR + // NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD + {ID3FN_TEXTENC, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_LANGUAGE, ID3FTY_ASCIISTRING, 3, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_DESCRIPTION, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL | ID3FF_ADJUSTENC, ID3FN_NOFIELD }, + {ID3FN_TEXT, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_ADJUSTENC, ID3FN_NOFIELD }, + {ID3FN_NOFIELD } +}; + + +static ID3_FieldDef ID3FD_Picture[] = +{ + // FIELD FIELD FIXED RENDER IF OR + // NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD + {ID3FN_TEXTENC, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_IMAGEFORMAT, ID3FTY_ASCIISTRING, 3, 2, 0, ID3VC_LOWER, NULL, ID3FN_NOFIELD }, + {ID3FN_MIMETYPE, ID3FTY_ASCIISTRING, -1, 3, 0, ID3VC_HIGHER, ID3FF_NULL, ID3FN_NOFIELD }, + {ID3FN_PICTURETYPE, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_DESCRIPTION, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL | ID3FF_ADJUSTENC, ID3FN_NOFIELD }, + {ID3FN_DATA, ID3FTY_BINARY, -1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_NOFIELD } +}; + + +static ID3_FieldDef ID3FD_GEO[] = +{ + // FIELD FIELD FIXED RENDER IF OR + // NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD + {ID3FN_TEXTENC, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_MIMETYPE, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL, ID3FN_NOFIELD }, + {ID3FN_FILENAME, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL | ID3FF_ADJUSTENC, ID3FN_NOFIELD }, + {ID3FN_DESCRIPTION, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL | ID3FF_ADJUSTENC, ID3FN_NOFIELD }, + {ID3FN_DATA, ID3FTY_BINARY, -1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_NOFIELD } +}; + + +static ID3_FieldDef ID3FD_UFI[] = +{ + // FIELD FIELD FIXED RENDER IF OR + // NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD + {ID3FN_OWNER, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL, ID3FN_NOFIELD }, + {ID3FN_DATA, ID3FTY_BINARY, -1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_NOFIELD } +}; + +static ID3_FieldDef ID3FD_PRIVATE[] = +{ + // FIELD FIELD FIXED RENDER IF OR + // NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD + {ID3FN_OWNER, ID3FTY_ASCIISTRING, -1, 3, 0, ID3VC_HIGHER, ID3FF_NULL, ID3FN_NOFIELD }, + {ID3FN_DATA, ID3FTY_BINARY, -1, 3, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_NOFIELD } +}; + + +static ID3_FieldDef ID3FD_PlayCounter[] = +{ + // FIELD FIELD FIXED RENDER IF OR + // NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD + {ID3FN_COUNTER, ID3FTY_INTEGER, 4, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_NOFIELD } +}; + + +static ID3_FieldDef ID3FD_Popularimeter[] = +{ + // FIELD FIELD FIXED RENDER IF OR + // NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD + {ID3FN_EMAIL, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL, ID3FN_NOFIELD }, + {ID3FN_RATING, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_COUNTER, ID3FTY_INTEGER, 4, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_NOFIELD } +}; + + +static ID3_FieldDef ID3FD_Registration[] = +{ + // FIELD FIELD FIXED RENDER IF OR + // NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD + {ID3FN_OWNER, ID3FTY_ASCIISTRING, -1, 3, 0, ID3VC_HIGHER, ID3FF_NULL, ID3FN_NOFIELD }, + {ID3FN_SYMBOL, ID3FTY_INTEGER, 1, 3, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_DATA, ID3FTY_BINARY, -1, 3, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_NOFIELD } +}; + + +static ID3_FieldDef ID3FD_InvolvedPeople[] = +{ + // FIELD FIELD FIXED RENDER IF OR + // NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD + {ID3FN_TEXTENC, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_TEXT, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL | ID3FF_NULLDIVIDE | ID3FF_ADJUSTENC, ID3FN_NOFIELD }, + {ID3FN_NOFIELD } +}; + + +static ID3_FieldDef ID3FD_Volume[] = +{ + // FIELD FIELD FIXED RENDER IF OR + // NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD + {ID3FN_VOLUMEADJ, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_NUMBITS, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_VOLCHGRIGHT, ID3FTY_BITFIELD, -1, 2, 0, ID3VC_HIGHER, ID3FF_ADJUSTEDBY, ID3FN_NUMBITS }, + {ID3FN_VOLCHGLEFT, ID3FTY_BITFIELD, -1, 2, 0, ID3VC_HIGHER, ID3FF_ADJUSTEDBY, ID3FN_NUMBITS }, + {ID3FN_PEAKVOLRIGHT, ID3FTY_BITFIELD, -1, 2, 0, ID3VC_HIGHER, ID3FF_ADJUSTEDBY, ID3FN_NUMBITS }, + {ID3FN_PEAKVOLLEFT, ID3FTY_BITFIELD, -1, 2, 0, ID3VC_HIGHER, ID3FF_ADJUSTEDBY, ID3FN_NUMBITS }, + {ID3FN_NOFIELD } +}; + +static ID3_FieldDef ID3FD_MCDI[] = +{ + // FIELD FIELD FIXED RENDER IF OR + // NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD + {ID3FN_CD_TOC, ID3FTY_BINARY, -1, 3, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD}, + {ID3FN_NOFIELD } +}; + +static ID3_FieldDef ID3FD_Text_v2_4[] = +{ + // FIELD FIELD FIXED RENDER IF OR + // NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD + {ID3FN_TEXTENC, ID3FTY_INTEGER, 1, 4, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_TEXT, ID3FTY_ASCIISTRING, -1, 4, 0, ID3VC_HIGHER, ID3FF_ADJUSTENC, ID3FN_NOFIELD }, + {ID3FN_NOFIELD } +}; + +static ID3_FieldDef ID3FD_Timestamp1[] = +{ + // FIELD FIELD FIXED RENDER IF OR + // NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD + {ID3FN_TIMESTAMP, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_DATA, ID3FTY_BINARY, -1, 3, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_NOFIELD } +}; + +static ID3_FieldDef ID3FD_Timestamp2[] = +{ + // FIELD FIELD FIXED RENDER IF OR + // NAME TYPE LEN VER REV WHAT? FLAGS LINKED FIELD + {ID3FN_TEXTENC, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_LANGUAGE, ID3FTY_ASCIISTRING, 3, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_TIMESTAMP, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_CONTENTTYPE, ID3FTY_INTEGER, 1, 2, 0, ID3VC_HIGHER, NULL, ID3FN_NOFIELD }, + {ID3FN_DESCRIPTION, ID3FTY_ASCIISTRING, -1, 2, 0, ID3VC_HIGHER, ID3FF_NULL | ID3FF_ADJUSTENC, ID3FN_NOFIELD }, + {ID3FN_NOFIELD } +}; + +static ID3_FrameDef ID3_FrameDefs[] = +{ + //FRAME ID SHORTID LONGID PRI TAGDISCARD FILEDISCARD HANDLER FIELDDEFS + {ID3FID_ENCODEDBY, "TEN", "TENC", false, true, NULL, ID3FD_Text }, + {ID3FID_ORIGALBUM, "TOT", "TOAL", false, false, NULL, ID3FD_Text }, + {ID3FID_PUBLISHER, "TPB", "TPUB", false, false, NULL, ID3FD_Text }, + {ID3FID_ENCODERSETTINGS, "TSS", "TSSE", false, false, NULL, ID3FD_Text }, + {ID3FID_ORIGFILENAME, "TOF", "TOFN", false, false, NULL, ID3FD_Text }, + {ID3FID_LANGUAGE, "TLA", "TLAN", false, false, NULL, ID3FD_Text }, + {ID3FID_PARTINSET, "TPA", "TPOS", false, false, NULL, ID3FD_Text }, + {ID3FID_DATE, "TDA", "TDAT", false, false, NULL, ID3FD_Text }, + {ID3FID_TIME, "TIM", "TIME", false, false, NULL, ID3FD_Text }, + {ID3FID_RECORDINGDATES, "TRD", "TRDA", false, false, NULL, ID3FD_Text }, + {ID3FID_MEDIATYPE, "TMT", "TMED", false, false, NULL, ID3FD_Text }, + {ID3FID_FILETYPE, "TFT", "TFLT", false, false, NULL, ID3FD_Text }, + {ID3FID_NETRADIOSTATION, "TRN", "TRSN", false, false, NULL, ID3FD_Text }, + {ID3FID_NETRADIOOWNER, "TRO", "TRSO", false, false, NULL, ID3FD_Text }, + {ID3FID_LYRICIST, "TXT", "TEXT", false, false, NULL, ID3FD_Text }, + {ID3FID_ORIGARTIST, "TOA", "TOPE", false, false, NULL, ID3FD_Text }, + {ID3FID_ORIGLYRICIST, "TOL", "TOLY", false, false, NULL, ID3FD_Text }, + {ID3FID_CONTENTGROUP, "TT1", "TIT1", false, false, NULL, ID3FD_Text }, + {ID3FID_TITLE, "TT2", "TIT2", false, false, NULL, ID3FD_Text }, + {ID3FID_SUBTITLE, "TT3", "TIT3", false, false, NULL, ID3FD_Text }, + {ID3FID_LEADARTIST, "TP1", "TPE1", false, false, NULL, ID3FD_Text }, + {ID3FID_BAND, "TP2", "TPE2", false, false, NULL, ID3FD_Text }, + {ID3FID_CONDUCTOR, "TP3", "TPE3", false, false, NULL, ID3FD_Text }, + {ID3FID_MIXARTIST, "TP4", "TPE4", false, false, NULL, ID3FD_Text }, + {ID3FID_ALBUM, "TAL", "TALB", false, false, NULL, ID3FD_Text }, + {ID3FID_YEAR, "TYE", "TYER", false, false, NULL, ID3FD_Text }, + {ID3FID_COMPOSER, "TCM", "TCOM", false, false, NULL, ID3FD_Text }, + {ID3FID_COPYRIGHT, "TCR", "TCOP", false, false, NULL, ID3FD_Text }, + {ID3FID_PRODUCEDNOTICE, " ", "TPRO", false, false, NULL, ID3FD_Text }, + {ID3FID_CONTENTTYPE, "TCO", "TCON", false, false, NULL, ID3FD_Text }, + {ID3FID_TRACKNUM, "TRK", "TRCK", false, false, NULL, ID3FD_Text }, + {ID3FID_USERTEXT, "TXX", "TXXX", false, false, NULL, ID3FD_UserText }, + {ID3FID_COMMENT, "COM", "COMM", false, false, NULL, ID3FD_GeneralText }, + {ID3FID_TERMSOFUSE, " ", "USER", false, false, NULL, ID3FD_GeneralText }, + {ID3FID_UNSYNCEDLYRICS, "ULT", "USLT", false, false, NULL, ID3FD_GeneralText }, + {ID3FID_SYNCEDLYRICS, "SLT", "SYLT", false, false, NULL, ID3FD_Timestamp2 }, + {ID3FID_SYNCEDTEMPOCODE, "STC", "SYTC", false, false, NULL, ID3FD_Timestamp1 }, + // URL Frames + {ID3FID_WWWAUDIOFILE, "WAF", "WOAF", false, false, NULL, ID3FD_URL }, + {ID3FID_WWWARTIST, "WAR", "WOAR", false, false, NULL, ID3FD_URL }, + {ID3FID_WWWAUDIOSOURCE, "WAS", "WOAS", false, false, NULL, ID3FD_URL }, + {ID3FID_WWWCOMMERCIALINFO, "WCM", "WCOM", false, false, NULL, ID3FD_URL }, + {ID3FID_WWWCOPYRIGHT, "WCP", "WCOP", false, false, NULL, ID3FD_URL }, + {ID3FID_WWWPUBLISHER, "WPB", "WPUB", false, false, NULL, ID3FD_URL }, + {ID3FID_WWWPAYMENT, "WPY", "WPAY", false, false, NULL, ID3FD_URL }, + {ID3FID_WWWRADIOPAGE, "WRA", "WORS", false, false, NULL, ID3FD_URL }, + {ID3FID_WWWUSER, "WXX", "WXXX", false, false, NULL, ID3FD_UserURL }, + // misc frames + {ID3FID_INVOLVEDPEOPLE, "IPL", "IPLS", false, false, NULL, ID3FD_InvolvedPeople }, + {ID3FID_PICTURE, "PIC", "APIC", false, false, NULL, ID3FD_Picture }, + {ID3FID_GENERALOBJECT, "GEO", "GEOB", false, false, NULL, ID3FD_GEO }, + {ID3FID_UNIQUEFILEID, "UFI", "UFID", false, false, NULL, ID3FD_UFI }, + {ID3FID_PRIVATE, " ", "PRIV", false, false, NULL, ID3FD_PRIVATE }, + {ID3FID_PLAYCOUNTER, "CNT", "PCNT", false, false, NULL, ID3FD_PlayCounter }, + {ID3FID_POPULARIMETER, "POP", "POPM", false, false, NULL, ID3FD_Popularimeter }, + {ID3FID_CRYPTOREG, " ", "ENCR", false, false, NULL, ID3FD_Registration }, + {ID3FID_GROUPINGREG, " ", "GRID", false, false, NULL, ID3FD_Registration }, + {ID3FID_SIGNATURE, " ", "SIGN", false, false, NULL, ID3FD_Registration }, + {ID3FID_MCDI, "MCI", "MCDI", false, false, NULL, ID3FD_MCDI}, + {ID3FID_BPM, "TBP", "TBPM", false, false, NULL, ID3FD_Text}, + {ID3FID_KEY, "TKE", "TKEY", false, false, NULL, ID3FD_Text}, + {ID3FID_MOOD, " ", "TMOO", false, false, NULL, ID3FD_Text}, + {ID3FID_ISRC, "TRC", "TSRC", false, false, NULL, ID3FD_Text}, + {ID3FID_RECORDINGTIME, " ", "TDRC", false, false, NULL, ID3FD_Text}, + {ID3FID_COMPILATION, "TCP", "TCMP", false, false, NULL, ID3FD_Text}, + {ID3FID_ALBUMSORT, "TSA", "TSOA", false, false, NULL, ID3FD_Text}, + {ID3FID_ALBUMARTISTSORT, "TS2", "TSO2", false, false, NULL, ID3FD_Text}, + {ID3FID_PERFORMERSORT, "TSP", "TSOP", false, false, NULL, ID3FD_Text}, + {ID3FID_COMPOSERSORT, "TSC", "TSOC", false, false, NULL, ID3FD_Text}, + {ID3FID_TITLESORT, "TST", "TSOT", false, false, NULL, ID3FD_Text}, + {ID3FID_REPLAYGAIN, " ", "RGAD", false, false, NULL, ID3FD_UserText }, + {ID3FID_VOLUMEADJ, "RVA", "RVAD", false, false, NULL, ID3FD_Volume }, + {ID3FID_INVOLVEDPEOPLE2, " ", "TIPL", false, false, NULL, ID3FD_InvolvedPeople }, + {ID3FID_CREDITS, " ", "TMCL", false, false, NULL, ID3FD_InvolvedPeople }, + {ID3FID_ENCODINGTIME, " ", "TDEN", false, false, NULL, ID3FD_Text }, + {ID3FID_FILEOWNER, " ", "TOWN", false, false, NULL, ID3FD_Text }, + {ID3FID_LENGTH, "TLE", "TLEN", false, false, NULL, ID3FD_Text }, + {ID3FID_ORIGYEAR, "TOR", "TORY", false, false, NULL, ID3FD_Text }, + {ID3FID_ORIGRELEASETIME, " ", "TDOR", false, false, NULL, ID3FD_Text }, + {ID3FID_RELEASETIME, " ", "TDRL", false, false, NULL, ID3FD_Text }, + {ID3FID_SETSUBTITLE, " ", "TSST", false, false, NULL, ID3FD_Text }, + {ID3FID_TAGGINGTIME, " ", "TDTG", false, false, NULL, ID3FD_Text }, + {ID3FID_PLAYLISTDELAY, "TDY", "TDLY", false, false, NULL, ID3FD_Text }, + {ID3FID_PODCAST, " ", "PCST", false, false, NULL, ID3FD_Text }, + {ID3FID_PODCASTCATEGORY, " ", "TCAT", false, false, NULL, ID3FD_Text }, + {ID3FID_PODCASTDESC, " ", "TDES", false, false, NULL, ID3FD_Text }, + {ID3FID_PODCASTID, " ", "TGID", false, false, NULL, ID3FD_Text }, + {ID3FID_PODCASTURL, " ", "WFED", false, false, NULL, ID3FD_URL }, + {ID3FID_NOFRAME } +}; + +ID3_Field::ID3_Field(void) +{ + name = ID3FN_NOFIELD; + type = ID3FTY_INTEGER; + data = 0; + size = 0; + flags = 0; + //SetVersion(3,0); + version = 3; + revision = 0; + fixedLength = -1; + ioVersion = 3; + ioRevision = 0; + control = ID3VC_HIGHER; + + Clear(); +} + +ID3_Field::~ID3_Field(void) +{ + Clear(); +} + +void ID3_Field::Clear(void) +{ + if (data && type != ID3FTY_INTEGER) free(data); + + type = ID3FTY_INTEGER; + data = 0; + size = sizeof (luint); + hasChanged = true; + + return; +} + +void ID3_Field::SetVersion (uchar ver, uchar rev) +{ + if (version != ver || revision != rev) hasChanged = true; + + version = ver; + revision = rev; + + return; +} + + +bool ID3_Field::HasChanged (void) +{ + return hasChanged; +} + + +luint ID3_Field::Size(void) +{ + return BinSize (false); +} + + +luint ID3_Field::BinSize(bool withExtras) +{ + luint bytes = 0; + + if (control == ID3VC_HIGHER) + { + if (version < ioVersion || revision < ioRevision) + return 0; + } + else + { + if (version > ioVersion || revision > ioRevision) + return 0; + } + + bytes = size; + + if (withExtras) + { + if (!data && size) + { + if (flags & ID3FF_NULL) + bytes = 2; + else + bytes = 0; + } + + // if we are a Unicode string, add 2 bytes for the BOM (but + // only if there is a string to render - regardless of NULL) + if (type == ID3FTY_UNICODESTRING && data && size) bytes += 2; + + // if we are an ASCII string, divide by sizeof (wchar_t) + // because internally we store the string as Unicode, so + // the ASCII version will only be half as long + if (type == ID3FTY_UTF8STRING) + { + if (data && size) + bytes = WideCharToMultiByte(CP_UTF8, 0, (const wchar_t *)data, (int)(size/sizeof(wchar_t)), 0, 0, 0, 0); + else + bytes /= sizeof(wchar_t); + } + + if (type == ID3FTY_ASCIISTRING) + { + // TODO: this statement isn't correct (especially for double byte) + // we could use WideCharToMultiByte to determine an exact byte count + bytes /= sizeof (wchar_t); + } + } + else + { + // because it seems that the application called us via ID3_Field::Size() + // we are going to return the number of characters, not bytes, so if + // the string is Unicode, we will half the 'bytes' variable because + // Unicode strings have twice as many bytes as they do characters + if (type == ID3FTY_UNICODESTRING) + bytes /= sizeof(wchar_t); + } + + // check to see if we are within the legal limit for this field + // -1 means arbitrary length field + if (fixedLength != -1) + bytes = fixedLength; + + return bytes; +} + + +luint ID3_Field::Parse(uchar *buffer, luint posn, luint buffSize) +{ + if (control == ID3VC_HIGHER) + { + if (version < ioVersion || revision < ioRevision) + return 0; + } + else + { + if (version > ioVersion || revision > ioRevision) + return 0; + } + + switch(type) + { + case ID3FTY_INTEGER: + return ParseInteger(buffer, posn, buffSize); + case ID3FTY_BINARY: + return ParseBinary(buffer, posn, buffSize); + case ID3FTY_ASCIISTRING: + return ParseASCIIString(buffer, posn, buffSize); + case ID3FTY_UNICODESTRING: + return ParseUnicodeString(buffer, posn, buffSize); + case ID3FTY_UTF8STRING: + return ParseUTF8String(buffer, posn, buffSize); + default: + //ID3_THROW (ID3E_UnknownFieldType); + break; + } + + return 0; +} + +ID3_FrameDef *ID3_FindFrameDef(ID3_FrameID id) +{ + luint cur = 0; + while (1) + { + if (ID3_FrameDefs[cur].id == id) + return &ID3_FrameDefs[cur]; + if (ID3_FrameDefs[cur].id == ID3FID_NOFRAME) + return NULL; + cur++; + } +} + +ID3_FrameID ID3_FindFrameID(const char *id) +{ + luint cur = 0; + while (1) + { + if (ID3_FrameDefs[cur].id == ID3FID_NOFRAME) + return ID3FID_NOFRAME; + if (((strncmp(ID3_FrameDefs[cur].shortTextID, id, 3) == 0) && strlen (id) == 3) + || ((strncmp(ID3_FrameDefs[cur].longTextID, id, 4) == 0) && strlen (id) == 4)) + return ID3_FrameDefs[cur].id; + cur++; + } +} + +luint ID3_Field::Render(uchar *buffer) +{ + if (control == ID3VC_HIGHER) + { + if (version < ioVersion || revision < ioRevision) + return 0; + } + else + { + if (version > ioVersion || revision > ioRevision) + return 0; + } + + switch(type) + { + case ID3FTY_INTEGER: + return RenderInteger(buffer); + case ID3FTY_BINARY: + return RenderBinary(buffer); + case ID3FTY_ASCIISTRING: + return RenderLatinString(buffer); + case ID3FTY_UNICODESTRING: + return RenderUnicodeString(buffer); + case ID3FTY_UTF8STRING: + return RenderUTF8String(buffer); + default: + // ID3_THROW (ID3E_UnknownFieldType); + break; + } + return 0; +} + + |