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| 1 /* -*- mode: C; c-file-style: "gnu" -*- */ | |
| 2 /* xdgmimealias.c: Private file. Datastructure for storing the aliases. | |
| 3 * | |
| 4 * More info can be found at http://www.freedesktop.org/standards/ | |
| 5 * | |
| 6 * Copyright (C) 2004 Red Hat, Inc. | |
| 7 * Copyright (C) 2004 Matthias Clasen <mclasen@redhat.com> | |
| 8 * | |
| 9 * Licensed under the Academic Free License version 2.0 | |
| 10 * Or under the following terms: | |
| 11 * | |
| 12 * This library is free software; you can redistribute it and/or | |
| 13 * modify it under the terms of the GNU Lesser General Public | |
| 14 * License as published by the Free Software Foundation; either | |
| 15 * version 2 of the License, or (at your option) any later version. | |
| 16 * | |
| 17 * This library is distributed in the hope that it will be useful, | |
| 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 20 * Lesser General Public License for more details. | |
| 21 * | |
| 22 * You should have received a copy of the GNU Lesser General Public | |
| 23 * License along with this library; if not, write to the | |
| 24 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 25 * Boston, MA 02111-1307, USA. | |
| 26 */ | |
| 27 | |
| 28 #ifdef HAVE_CONFIG_H | |
| 29 #include <config.h> | |
| 30 #endif | |
| 31 | |
| 32 #include "xdgmimealias.h" | |
| 33 #include "xdgmimeint.h" | |
| 34 #include <stdlib.h> | |
| 35 #include <stdio.h> | |
| 36 #include <assert.h> | |
| 37 #include <string.h> | |
| 38 #include <fnmatch.h> | |
| 39 | |
| 40 #ifndef FALSE | |
| 41 #define FALSE (0) | |
| 42 #endif | |
| 43 | |
| 44 #ifndef TRUE | |
| 45 #define TRUE (!FALSE) | |
| 46 #endif | |
| 47 | |
| 48 typedef struct XdgAlias XdgAlias; | |
| 49 | |
| 50 struct XdgAlias | |
| 51 { | |
| 52 char *alias; | |
| 53 char *mime_type; | |
| 54 }; | |
| 55 | |
| 56 struct XdgAliasList | |
| 57 { | |
| 58 struct XdgAlias *aliases; | |
| 59 int n_aliases; | |
| 60 }; | |
| 61 | |
| 62 XdgAliasList * | |
| 63 _xdg_mime_alias_list_new (void) | |
| 64 { | |
| 65 XdgAliasList *list; | |
| 66 | |
| 67 list = malloc (sizeof (XdgAliasList)); | |
| 68 | |
| 69 list->aliases = NULL; | |
| 70 list->n_aliases = 0; | |
| 71 | |
| 72 return list; | |
| 73 } | |
| 74 | |
| 75 void | |
| 76 _xdg_mime_alias_list_free (XdgAliasList *list) | |
| 77 { | |
| 78 int i; | |
| 79 | |
| 80 if (list->aliases) | |
| 81 { | |
| 82 for (i = 0; i < list->n_aliases; i++) | |
| 83 { | |
| 84 free (list->aliases[i].alias); | |
| 85 free (list->aliases[i].mime_type); | |
| 86 } | |
| 87 free (list->aliases); | |
| 88 } | |
| 89 free (list); | |
| 90 } | |
| 91 | |
| 92 static int | |
| 93 alias_entry_cmp (const void *v1, const void *v2) | |
| 94 { | |
| 95 return strcmp (((XdgAlias *)v1)->alias, ((XdgAlias *)v2)->alias); | |
| 96 } | |
| 97 | |
| 98 const char * | |
| 99 _xdg_mime_alias_list_lookup (XdgAliasList *list, | |
| 100 const char *alias) | |
| 101 { | |
| 102 XdgAlias *entry; | |
| 103 XdgAlias key; | |
| 104 | |
| 105 if (list->n_aliases > 0) | |
| 106 { | |
| 107 key.alias = (char *)alias; | |
| 108 key.mime_type = NULL; | |
| 109 | |
| 110 entry = bsearch (&key, list->aliases, list->n_aliases, | |
| 111 sizeof (XdgAlias), alias_entry_cmp); | |
| 112 if (entry) | |
| 113 return entry->mime_type; | |
| 114 } | |
| 115 | |
| 116 return NULL; | |
| 117 } | |
| 118 | |
| 119 void | |
| 120 _xdg_mime_alias_read_from_file (XdgAliasList *list, | |
| 121 const char *file_name) | |
| 122 { | |
| 123 FILE *file; | |
| 124 char line[255]; | |
| 125 int alloc; | |
| 126 | |
| 127 file = fopen (file_name, "r"); | |
| 128 | |
| 129 if (file == NULL) | |
| 130 return; | |
| 131 | |
| 132 /* FIXME: Not UTF-8 safe. Doesn't work if lines are greater than 255 chars. | |
| 133 * Blah */ | |
| 134 alloc = list->n_aliases + 16; | |
| 135 list->aliases = realloc (list->aliases, alloc * sizeof (XdgAlias)); | |
| 136 while (fgets (line, 255, file) != NULL) | |
| 137 { | |
| 138 char *sep; | |
| 139 if (line[0] == '#') | |
| 140 continue; | |
| 141 | |
| 142 sep = strchr (line, ' '); | |
| 143 if (sep == NULL) | |
| 144 continue; | |
| 145 *(sep++) = '\000'; | |
| 146 sep[strlen (sep) -1] = '\000'; | |
| 147 if (list->n_aliases == alloc) | |
| 148 { | |
| 149 alloc <<= 1; | |
| 150 list->aliases = realloc (list->aliases, | |
| 151 alloc * sizeof (XdgAlias)); | |
| 152 } | |
| 153 list->aliases[list->n_aliases].alias = strdup (line); | |
| 154 list->aliases[list->n_aliases].mime_type = strdup (sep); | |
| 155 list->n_aliases++; | |
| 156 } | |
| 157 list->aliases = realloc (list->aliases, | |
| 158 list->n_aliases * sizeof (XdgAlias)); | |
| 159 | |
| 160 fclose (file); | |
| 161 | |
| 162 if (list->n_aliases > 1) | |
| 163 qsort (list->aliases, list->n_aliases, | |
| 164 sizeof (XdgAlias), alias_entry_cmp); | |
| 165 } | |
| 166 | |
| 167 | |
| 168 void | |
| 169 _xdg_mime_alias_list_dump (XdgAliasList *list) | |
| 170 { | |
| 171 int i; | |
| 172 | |
| 173 if (list->aliases) | |
| 174 { | |
| 175 for (i = 0; i < list->n_aliases; i++) | |
| 176 { | |
| 177 printf ("%s %s\n", | |
| 178 list->aliases[i].alias, | |
| 179 list->aliases[i].mime_type); | |
| 180 } | |
| 181 } | |
| 182 } | |
| 183 | |
| 184 | |
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