diff options
Diffstat (limited to 'src/libid3tag/compat.gperf')
| -rw-r--r-- | src/libid3tag/compat.gperf | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/src/libid3tag/compat.gperf b/src/libid3tag/compat.gperf new file mode 100644 index 00000000..17eaac16 --- /dev/null +++ b/src/libid3tag/compat.gperf @@ -0,0 +1,297 @@ +%{ +/* + * libid3tag - ID3 tag manipulation library + * Copyright (C) 2000-2003 Underbit Technologies, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * $Id: compat.gperf,v 1.1 2003/08/14 03:57:13 shank Exp $ + */ + +# ifdef HAVE_CONFIG_H +# include "config.h" +# endif + +# include "global.h" + +# include <stdlib.h> +# include <string.h> + +# ifdef HAVE_ASSERT_H +# include <assert.h> +# endif + +# include "id3tag.h" +# include "compat.h" +# include "frame.h" +# include "field.h" +# include "parse.h" +# include "ucs4.h" + +# define EQ(id) #id, 0 +# define OBSOLETE 0, 0 +# define TX(id) #id, translate_##id + +static id3_compat_func_t translate_TCON; +%} +struct id3_compat; +%% +# +# ID3v2.2 and ID3v2.3 frames +# +# Only obsolete frames or frames with an equivalent ID3v2.4 frame ID are +# listed here. If a frame ID is not listed, it is assumed that the same +# frame ID is itself the equivalent ID3v2.4 frame ID. +# +# This list may also include frames with new content interpretations; the +# translation function will rewrite the contents to comply with ID3v2.4. +# +BUF, EQ(RBUF) /* Recommended buffer size */ +CNT, EQ(PCNT) /* Play counter */ +COM, EQ(COMM) /* Comments */ +CRA, EQ(AENC) /* Audio encryption */ +CRM, OBSOLETE /* Encrypted meta frame [obsolete] */ +EQU, OBSOLETE /* Equalization [obsolete] */ +EQUA, OBSOLETE /* Equalization [obsolete] */ +ETC, EQ(ETCO) /* Event timing codes */ +GEO, EQ(GEOB) /* General encapsulated object */ +IPL, EQ(TIPL) /* Involved people list */ +IPLS, EQ(TIPL) /* Involved people list */ +LNK, EQ(LINK) /* Linked information */ +MCI, EQ(MCDI) /* Music CD identifier */ +MLL, EQ(MLLT) /* MPEG location lookup table */ +PIC, EQ(APIC) /* Attached picture */ +POP, EQ(POPM) /* Popularimeter */ +REV, EQ(RVRB) /* Reverb */ +RVA, OBSOLETE /* Relative volume adjustment [obsolete] */ +RVAD, OBSOLETE /* Relative volume adjustment [obsolete] */ +SLT, EQ(SYLT) /* Synchronised lyric/text */ +STC, EQ(SYTC) /* Synchronised tempo codes */ +TAL, EQ(TALB) /* Album/movie/show title */ +TBP, EQ(TBPM) /* BPM (beats per minute) */ +TCM, EQ(TCOM) /* Composer */ +TCO, TX(TCON) /* Content type */ +TCON, TX(TCON) /* Content type */ +TCR, EQ(TCOP) /* Copyright message */ +TDA, OBSOLETE /* Date [obsolete] */ +TDAT, OBSOLETE /* Date [obsolete] */ +TDY, EQ(TDLY) /* Playlist delay */ +TEN, EQ(TENC) /* Encoded by */ +TFT, EQ(TFLT) /* File type */ +TIM, OBSOLETE /* Time [obsolete] */ +TIME, OBSOLETE /* Time [obsolete] */ +TKE, EQ(TKEY) /* Initial key */ +TLA, EQ(TLAN) /* Language(s) */ +TLE, EQ(TLEN) /* Length */ +TMT, EQ(TMED) /* Media type */ +TOA, EQ(TOPE) /* Original artist(s)/performer(s) */ +TOF, EQ(TOFN) /* Original filename */ +TOL, EQ(TOLY) /* Original lyricist(s)/text writer(s) */ +TOR, EQ(TDOR) /* Original release year [obsolete] */ +TORY, EQ(TDOR) /* Original release year [obsolete] */ +TOT, EQ(TOAL) /* Original album/movie/show title */ +TP1, EQ(TPE1) /* Lead performer(s)/soloist(s) */ +TP2, EQ(TPE2) /* Band/orchestra/accompaniment */ +TP3, EQ(TPE3) /* Conductor/performer refinement */ +TP4, EQ(TPE4) /* Interpreted, remixed, or otherwise modified by */ +TPA, EQ(TPOS) /* Part of a set */ +TPB, EQ(TPUB) /* Publisher */ +TRC, EQ(TSRC) /* ISRC (international standard recording code) */ +TRD, OBSOLETE /* Recording dates [obsolete] */ +TRDA, OBSOLETE /* Recording dates [obsolete] */ +TRK, EQ(TRCK) /* Track number/position in set */ +TSI, OBSOLETE /* Size [obsolete] */ +TSIZ, OBSOLETE /* Size [obsolete] */ +TSS, EQ(TSSE) /* Software/hardware and settings used for encoding */ +TT1, EQ(TIT1) /* Content group description */ +TT2, EQ(TIT2) /* Title/songname/content description */ +TT3, EQ(TIT3) /* Subtitle/description refinement */ +TXT, EQ(TEXT) /* Lyricist/text writer */ +TXX, EQ(TXXX) /* User defined text information frame */ +TYE, OBSOLETE /* Year [obsolete] */ +TYER, OBSOLETE /* Year [obsolete] */ +UFI, EQ(UFID) /* Unique file identifier */ +ULT, EQ(USLT) /* Unsynchronised lyric/text transcription */ +WAF, EQ(WOAF) /* Official audio file webpage */ +WAR, EQ(WOAR) /* Official artist/performer webpage */ +WAS, EQ(WOAS) /* Official audio source webpage */ +WCM, EQ(WCOM) /* Commercial information */ +WCP, EQ(WCOP) /* Copyright/legal information */ +WPB, EQ(WPUB) /* Publishers official webpage */ +WXX, EQ(WXXX) /* User defined URL link frame */ +%% + +static +int translate_TCON(struct id3_frame *frame, char const *oldid, + id3_byte_t const *data, id3_length_t length) +{ + id3_byte_t const *end; + enum id3_field_textencoding encoding; + id3_ucs4_t *string = 0, *ptr, *endptr; + int result = 0; + + /* translate old TCON syntax into multiple strings */ + + assert(frame->nfields == 2); + + encoding = ID3_FIELD_TEXTENCODING_ISO_8859_1; + + end = data + length; + + if (id3_field_parse(&frame->fields[0], &data, end - data, &encoding) == -1) + goto fail; + + string = id3_parse_string(&data, end - data, encoding, 0); + if (string == 0) + goto fail; + + ptr = string; + while (*ptr == '(') { + if (*++ptr == '(') + break; + + endptr = ptr; + while (*endptr && *endptr != ')') + ++endptr; + + if (*endptr) + *endptr++ = 0; + + if (id3_field_addstring(&frame->fields[1], ptr) == -1) + goto fail; + + ptr = endptr; + } + + if (*ptr && id3_field_addstring(&frame->fields[1], ptr) == -1) + goto fail; + + if (0) { + fail: + result = -1; + } + + if (string) + free(string); + + return result; +} + +/* + * NAME: compat->fixup() + * DESCRIPTION: finish compatibility translations + */ +int id3_compat_fixup(struct id3_tag *tag) +{ + struct id3_frame *frame; + unsigned int index; + id3_ucs4_t timestamp[17] = { 0 }; + int result = 0; + + /* create a TDRC frame from obsolete TYER/TDAT/TIME frames */ + + /* + * TYE/TYER: YYYY + * TDA/TDAT: DDMM + * TIM/TIME: HHMM + * + * TDRC: yyyy-MM-ddTHH:mm + */ + + index = 0; + while ((frame = id3_tag_findframe(tag, ID3_FRAME_OBSOLETE, index++))) { + char const *id; + id3_byte_t const *data, *end; + id3_length_t length; + enum id3_field_textencoding encoding; + id3_ucs4_t *string; + + id = id3_field_getframeid(&frame->fields[0]); + assert(id); + + if (strcmp(id, "TYER") != 0 && strcmp(id, "YTYE") != 0 && + strcmp(id, "TDAT") != 0 && strcmp(id, "YTDA") != 0 && + strcmp(id, "TIME") != 0 && strcmp(id, "YTIM") != 0) + continue; + + data = id3_field_getbinarydata(&frame->fields[1], &length); + assert(data); + + if (length < 1) + continue; + + end = data + length; + + encoding = id3_parse_uint(&data, 1); + string = id3_parse_string(&data, end - data, encoding, 0); + + if (id3_ucs4_length(string) < 4) { + free(string); + continue; + } + + if (strcmp(id, "TYER") == 0 || + strcmp(id, "YTYE") == 0) { + timestamp[0] = string[0]; + timestamp[1] = string[1]; + timestamp[2] = string[2]; + timestamp[3] = string[3]; + } + else if (strcmp(id, "TDAT") == 0 || + strcmp(id, "YTDA") == 0) { + timestamp[4] = '-'; + timestamp[5] = string[2]; + timestamp[6] = string[3]; + timestamp[7] = '-'; + timestamp[8] = string[0]; + timestamp[9] = string[1]; + } + else { /* TIME or YTIM */ + timestamp[10] = 'T'; + timestamp[11] = string[0]; + timestamp[12] = string[1]; + timestamp[13] = ':'; + timestamp[14] = string[2]; + timestamp[15] = string[3]; + } + + free(string); + } + + if (timestamp[0]) { + id3_ucs4_t *strings; + + frame = id3_frame_new("TDRC"); + if (frame == 0) + goto fail; + + strings = timestamp; + + if (id3_field_settextencoding(&frame->fields[0], + ID3_FIELD_TEXTENCODING_ISO_8859_1) == -1 || + id3_field_setstrings(&frame->fields[1], 1, &strings) == -1 || + id3_tag_attachframe(tag, frame) == -1) { + id3_frame_delete(frame); + goto fail; + } + } + + if (0) { + fail: + result = -1; + } + + return result; +} |