diff src/libid3tag-0.15.1b/compat.gperf @ 0:c7265573341e

Import initial set of sources
author Chris Cannam
date Mon, 18 Mar 2013 14:12:14 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/libid3tag-0.15.1b/compat.gperf	Mon Mar 18 14:12:14 2013 +0000
@@ -0,0 +1,297 @@
+%{
+/*
+ * libid3tag - ID3 tag manipulation library
+ * Copyright (C) 2000-2004 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 1.11 2004/01/23 09:41:32 rob 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;
+}