comparison src/libid3tag-0.15.1b/compat.c @ 0:c7265573341e

Import initial set of sources

+/* C code produced by gperf version 3.0.1 */
+/* Command-line: gperf -tCcTonD -K id -N id3_compat_lookup -s -3 -k '*' compat.gperf  */
+
+#if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \
+      && ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \
+      && (')' == 41) && ('*' == 42) && ('+' == 43) && (',' == 44) \
+      && ('-' == 45) && ('.' == 46) && ('/' == 47) && ('0' == 48) \
+      && ('1' == 49) && ('2' == 50) && ('3' == 51) && ('4' == 52) \
+      && ('5' == 53) && ('6' == 54) && ('7' == 55) && ('8' == 56) \
+      && ('9' == 57) && (':' == 58) && (';' == 59) && ('<' == 60) \
+      && ('=' == 61) && ('>' == 62) && ('?' == 63) && ('A' == 65) \
+      && ('B' == 66) && ('C' == 67) && ('D' == 68) && ('E' == 69) \
+      && ('F' == 70) && ('G' == 71) && ('H' == 72) && ('I' == 73) \
+      && ('J' == 74) && ('K' == 75) && ('L' == 76) && ('M' == 77) \
+      && ('N' == 78) && ('O' == 79) && ('P' == 80) && ('Q' == 81) \
+      && ('R' == 82) && ('S' == 83) && ('T' == 84) && ('U' == 85) \
+      && ('V' == 86) && ('W' == 87) && ('X' == 88) && ('Y' == 89) \
+      && ('Z' == 90) && ('[' == 91) && ('\\' == 92) && (']' == 93) \
+      && ('^' == 94) && ('_' == 95) && ('a' == 97) && ('b' == 98) \
+      && ('c' == 99) && ('d' == 100) && ('e' == 101) && ('f' == 102) \
+      && ('g' == 103) && ('h' == 104) && ('i' == 105) && ('j' == 106) \
+      && ('k' == 107) && ('l' == 108) && ('m' == 109) && ('n' == 110) \
+      && ('o' == 111) && ('p' == 112) && ('q' == 113) && ('r' == 114) \
+      && ('s' == 115) && ('t' == 116) && ('u' == 117) && ('v' == 118) \
+      && ('w' == 119) && ('x' == 120) && ('y' == 121) && ('z' == 122) \
+      && ('{' == 123) && ('|' == 124) && ('}' == 125) && ('~' == 126))
+/* The character set is not based on ISO-646.  */
+error "gperf generated tables don't work with this execution character set. Please report a bug to <[e-mail]>."
+#endif
+
+#line 1 "compat.gperf"
+
+/*
+ * 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;
+
+#define TOTAL_KEYWORDS 73
+#define MIN_WORD_LENGTH 3
+#define MAX_WORD_LENGTH 4
+#define MIN_HASH_VALUE 6
+#define MAX_HASH_VALUE 127
+/* maximum key range = 122, duplicates = 0 */
+
+#ifdef __GNUC__
+__inline
+#else
+#ifdef __cplusplus
+inline
+#endif
+#endif
+static unsigned int
+hash (str, len)
+     register const char *str;
+     register unsigned int len;
+{
+  static const unsigned char asso_values[] =
+    {
+      128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128, 128, 128,  64,
+       58,  20,  15, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128,  10,  18,   3,   6,   1,
+       47,   0, 128,  42,  62,  30,  31,   0,  19,  52,
+       10,  24,   8,  30,   5,   3,  30,   8,  25,  47,
+        3, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+      128, 128, 128, 128, 128, 128, 128
+    };
+  register int hval = 0;
+
+  switch (len)
+    {
+      default:
+        hval += asso_values[(unsigned char)str[3]];
+      /*FALLTHROUGH*/
+      case 3:
+        hval += asso_values[(unsigned char)str[2]];
+      /*FALLTHROUGH*/
+      case 2:
+        hval += asso_values[(unsigned char)str[1]+1];
+      /*FALLTHROUGH*/
+      case 1:
+        hval += asso_values[(unsigned char)str[0]];
+        break;
+    }
+  return hval;
+}
+
+#ifdef __GNUC__
+__inline
+#endif
+const struct id3_compat *
+id3_compat_lookup (str, len)
+     register const char *str;
+     register unsigned int len;
+{
+  static const struct id3_compat wordlist[] =
+    {
+#line 97 "compat.gperf"
+      {"TLE",  EQ(TLEN)  /* Length */},
+#line 68 "compat.gperf"
+      {"ETC",  EQ(ETCO)  /* Event timing codes */},
+#line 126 "compat.gperf"
+      {"ULT",  EQ(USLT)  /* Unsynchronised lyric/text transcription */},
+#line 123 "compat.gperf"
+      {"TYE",  OBSOLETE  /* Year [obsolete] */},
+#line 92 "compat.gperf"
+      {"TFT",  EQ(TFLT)  /* File type */},
+#line 84 "compat.gperf"
+      {"TCM",  EQ(TCOM)  /* Composer */},
+#line 66 "compat.gperf"
+      {"EQU",  OBSOLETE  /* Equalization [obsolete] */},
+#line 63 "compat.gperf"
+      {"COM",  EQ(COMM)  /* Comments */},
+#line 130 "compat.gperf"
+      {"WCM",  EQ(WCOM)  /* Commercial information */},
+#line 96 "compat.gperf"
+      {"TLA",  EQ(TLAN)  /* Language(s) */},
+#line 88 "compat.gperf"
+      {"TDA",  OBSOLETE  /* Date [obsolete] */},
+#line 124 "compat.gperf"
+      {"TYER", OBSOLETE  /* Year [obsolete] */},
+#line 83 "compat.gperf"
+      {"TBP",  EQ(TBPM)  /* BPM (beats per minute) */},
+#line 87 "compat.gperf"
+      {"TCR",  EQ(TCOP)  /* Copyright message */},
+#line 104 "compat.gperf"
+      {"TOT",  EQ(TOAL)  /* Original album/movie/show title */},
+#line 89 "compat.gperf"
+      {"TDAT", OBSOLETE  /* Date [obsolete] */},
+#line 67 "compat.gperf"
+      {"EQUA", OBSOLETE  /* Equalization [obsolete] */},
+#line 102 "compat.gperf"
+      {"TOR",  EQ(TDOR)  /* Original release year [obsolete] */},
+#line 131 "compat.gperf"
+      {"WCP",  EQ(WCOP)  /* Copyright/legal information */},
+#line 99 "compat.gperf"
+      {"TOA",  EQ(TOPE)  /* Original artist(s)/performer(s) */},
+#line 78 "compat.gperf"
+      {"RVA",  OBSOLETE  /* Relative volume adjustment [obsolete] */},
+#line 120 "compat.gperf"
+      {"TT3",  EQ(TIT3)  /* Subtitle/description refinement */},
+#line 98 "compat.gperf"
+      {"TMT",  EQ(TMED)  /* Media type */},
+#line 76 "compat.gperf"
+      {"POP",  EQ(POPM)  /* Popularimeter */},
+#line 74 "compat.gperf"
+      {"MLL",  EQ(MLLT)  /* MPEG location lookup table */},
+#line 79 "compat.gperf"
+      {"RVAD", OBSOLETE  /* Relative volume adjustment [obsolete] */},
+#line 65 "compat.gperf"
+      {"CRM",  OBSOLETE  /* Encrypted meta frame [obsolete] */},
+#line 128 "compat.gperf"
+      {"WAR",  EQ(WOAR)  /* Official artist/performer webpage */},
+#line 80 "compat.gperf"
+      {"SLT",  EQ(SYLT)  /* Synchronised lyric/text */},
+#line 81 "compat.gperf"
+      {"STC",  EQ(SYTC)  /* Synchronised tempo codes */},
+#line 95 "compat.gperf"
+      {"TKE",  EQ(TKEY)  /* Initial key */},
+#line 111 "compat.gperf"
+      {"TRC",  EQ(TSRC)  /* ISRC (international standard recording code) */},
+#line 109 "compat.gperf"
+      {"TPA",  EQ(TPOS)  /* Part of a set */},
+#line 117 "compat.gperf"
+      {"TSS",  EQ(TSSE)  /* Software/hardware and settings used for encoding */},
+#line 112 "compat.gperf"
+      {"TRD",  OBSOLETE  /* Recording dates [obsolete] */},
+#line 64 "compat.gperf"
+      {"CRA",  EQ(AENC)  /* Audio encryption */},
+#line 108 "compat.gperf"
+      {"TP4",  EQ(TPE4)  /* Interpreted, remixed, or otherwise modified by */},
+#line 125 "compat.gperf"
+      {"UFI",  EQ(UFID)  /* Unique file identifier */},
+#line 101 "compat.gperf"
+      {"TOL",  EQ(TOLY)  /* Original lyricist(s)/text writer(s) */},
+#line 110 "compat.gperf"
+      {"TPB",  EQ(TPUB)  /* Publisher */},
+#line 73 "compat.gperf"
+      {"MCI",  EQ(MCDI)  /* Music CD identifier */},
+#line 107 "compat.gperf"
+      {"TP3",  EQ(TPE3)  /* Conductor/performer refinement */},
+#line 132 "compat.gperf"
+      {"WPB",  EQ(WPUB)  /* Publishers official webpage */},
+#line 113 "compat.gperf"
+      {"TRDA", OBSOLETE  /* Recording dates [obsolete] */},
+#line 115 "compat.gperf"
+      {"TSI",  OBSOLETE  /* Size [obsolete] */},
+#line 90 "compat.gperf"
+      {"TDY",  EQ(TDLY)  /* Playlist delay */},
+#line 82 "compat.gperf"
+      {"TAL",  EQ(TALB)  /* Album/movie/show title */},
+#line 116 "compat.gperf"
+      {"TSIZ", OBSOLETE  /* Size [obsolete] */},
+#line 129 "compat.gperf"
+      {"WAS",  EQ(WOAS)  /* Official audio source webpage */},
+#line 121 "compat.gperf"
+      {"TXT",  EQ(TEXT)  /* Lyricist/text writer */},
+#line 62 "compat.gperf"
+      {"CNT",  EQ(PCNT)  /* Play counter */},
+#line 100 "compat.gperf"
+      {"TOF",  EQ(TOFN)  /* Original filename */},
+#line 85 "compat.gperf"
+      {"TCO",  TX(TCON)  /* Content type */},
+#line 114 "compat.gperf"
+      {"TRK",  EQ(TRCK)  /* Track number/position in set */},
+#line 119 "compat.gperf"
+      {"TT2",  EQ(TIT2)  /* Title/songname/content description */},
+#line 93 "compat.gperf"
+      {"TIM",  OBSOLETE  /* Time [obsolete] */},
+#line 94 "compat.gperf"
+      {"TIME", OBSOLETE  /* Time [obsolete] */},
+#line 103 "compat.gperf"
+      {"TORY", EQ(TDOR)  /* Original release year [obsolete] */},
+#line 91 "compat.gperf"
+      {"TEN",  EQ(TENC)  /* Encoded by */},
+#line 118 "compat.gperf"
+      {"TT1",  EQ(TIT1)  /* Content group description */},
+#line 127 "compat.gperf"
+      {"WAF",  EQ(WOAF)  /* Official audio file webpage */},
+#line 75 "compat.gperf"
+      {"PIC",  EQ(APIC)  /* Attached picture */},
+#line 122 "compat.gperf"
+      {"TXX",  EQ(TXXX)  /* User defined text information frame */},
+#line 133 "compat.gperf"
+      {"WXX",  EQ(WXXX)  /* User defined URL link frame */},
+#line 86 "compat.gperf"
+      {"TCON", TX(TCON)  /* Content type */},
+#line 77 "compat.gperf"
+      {"REV",  EQ(RVRB)  /* Reverb */},
+#line 106 "compat.gperf"
+      {"TP2",  EQ(TPE2)  /* Band/orchestra/accompaniment */},
+#line 105 "compat.gperf"
+      {"TP1",  EQ(TPE1)  /* Lead performer(s)/soloist(s) */},
+#line 61 "compat.gperf"
+      {"BUF",  EQ(RBUF)  /* Recommended buffer size */},
+#line 70 "compat.gperf"
+      {"IPL",  EQ(TIPL)  /* Involved people list */},
+#line 69 "compat.gperf"
+      {"GEO",  EQ(GEOB)  /* General encapsulated object */},
+#line 72 "compat.gperf"
+      {"LNK",  EQ(LINK)  /* Linked information */},
+#line 71 "compat.gperf"
+      {"IPLS", EQ(TIPL)  /* Involved people list */}
+    };
+
+  static const short lookup[] =
+    {
+      -1, -1, -1, -1, -1, -1,  0,  1,  2,  3,  4,  5,  6,  7,
+       8,  9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, -1,
+      21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
+      -1, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
+      48, 49, -1, -1, 50, -1, 51, 52, -1, 53, 54, 55, 56, -1,
+      57, 58, 59, 60, -1, 61, -1, 62, -1, -1, 63, -1, 64, -1,
+      -1, 65, -1, 66, -1, -1, -1, -1, -1, 67, -1, 68, -1, 69,
+      -1, 70, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+      -1, 71, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+      -1, 72
+    };
+
+  if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
+    {
+      register int key = hash (str, len);
+
+      if (key <= MAX_HASH_VALUE && key >= 0)
+        {
+          register int index = lookup[key];
+
+          if (index >= 0)
+            {
+              register const char *s = wordlist[index].id;
+
+              if (*str == *s && !strncmp (str + 1, s + 1, len - 1) && s[len] == '\0')
+                return &wordlist[index];
+            }
+        }
+    }
+  return 0;
+}
+#line 134 "compat.gperf"
+
+
+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;
+}