diff options
31 files changed, 4593 insertions, 405 deletions
diff --git a/Makefile.am b/Makefile.am index 2502ee2..b47df4d 100644 --- a/Makefile.am +++ b/Makefile.am @@ -1,7 +1,5 @@ SUBDIRS = bin data lib po shell sugar services -ACLOCAL_AMFLAGS = -I m4 - bin_SCRIPTS = \ sugar-emulator diff --git a/configure.ac b/configure.ac index 8130cc5..f476f3b 100644 --- a/configure.ac +++ b/configure.ac @@ -44,6 +44,7 @@ Makefile bin/Makefile data/Makefile lib/Makefile +lib/xdgmime/Makefile services/Makefile services/presence/Makefile services/clipboard/Makefile @@ -76,6 +77,7 @@ sugar/Makefile sugar/activity/Makefile sugar/clipboard/Makefile sugar/graphics/Makefile +sugar/objects/Makefile sugar/p2p/Makefile sugar/presence/Makefile sugar/datastore/Makefile diff --git a/lib/Makefile.am b/lib/Makefile.am index 6dbe5ee..f709c58 100644 --- a/lib/Makefile.am +++ b/lib/Makefile.am @@ -1,9 +1,13 @@ +SUBDIRS = xdgmime + libsugar_la_CPPFLAGS = \ $(LIB_CFLAGS) noinst_LTLIBRARIES = libsugar.la -libsugar_la_LIBADD = $(LIB_LIBS) +libsugar_la_LIBADD = \ + $(LIB_LIBS) \ + $(top_builddir)/lib/xdgmime/libxdgmime.la libsugar_la_SOURCES = \ sugar-address-entry.c \ diff --git a/lib/xdgmime/ChangeLog b/lib/xdgmime/ChangeLog new file mode 100644 index 0000000..d04c59a --- /dev/null +++ b/lib/xdgmime/ChangeLog @@ -0,0 +1,378 @@ +2007-01-22 Matthias Clasen <mclasen@redhat.com> + + * === 2.10.9 === + +2007-01-17 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.10.8 === + +2007-01-07 Matthias Clasen <mclasen@redhat.com> + + * xdgmimecache.c (cache_glob_node_lookup_suffix): Don't return "" + as match. (fd.o #9544, Yevgen Muntyan) + +2007-01-07 Matthias Clasen <mclasen@redhat.com> + + * xdgmimecache.c (_xdg_mime_cache_list_mime_parents): Fix + several problems with this function. (fd.o #9560, Yevgen Muntyan) + +2007-01-05 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.10.7 === + +2006-10-03 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.10.6 === + +2006-10-02 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.10.5 === + +2006-09-22 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.10.4 === + +2006-09-04 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.10.3 === + +2006-08-17 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.10.2 === + +2006-07-23 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.10.1 === + +2006-07-20 Matthias Clasen <mclasen@redhat.com> + + Fix a thinko that leads to constantly reloading + the mime data if a mime.cache is present. Patch + by Yevgen Muntyan, bugs.freedesktop.org #7495 + + * xdgmime.c (xdg_check_dir): Look for mime.cache first. + (xdg_check_file): Report existance of the file separately. + +2006-07-20 Matthias Clasen <mclasen@redhat.com> + + * xdgmime.c (xdg_mime_shutdown): Unref the caches. + Patch by Yevgen Muntyan, bugs.freedesktop.org #7496 + + * xdgmimemagic.c: + * xdgmime.c: + * xdgmime.h: Add xdg_init-free versions of some + functions and use them internally, so that we don't + reload caches and clobber data structures in the + middle of an operation. Patch by Joe Shaw, + bugs.freedesktop.org #6824 + +2006-07-19 Matthias Clasen <mclasen@redhat.com> + + * xdgmimeglob.c (_xdg_glob_hash_node_lookup_file_name): + Don't return NULL as a mimetype, ever, patch + by Yevgen Muntyan, bugs.freedesktop.org #5241 + +2006-07-02 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.10.0 === + +2006-06-21 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.9.4 === + +2006-06-12 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.9.3 === + +2006-06-05 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.9.2 === + +2006-05-16 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.9.1 ==== + +2006-05-04 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.9.0 === + +2006-04-03 Matthias Clasen <mclasen@redhat.com> + + * xdgmime.[hc]: Move xdg_mime_type_unknown to .rodata. + +2006-03-06 Matthias Clasen <mclasen@redhat.com> + + * xdgmimemagic.c: Remove superfluous extern errno + declaration. (#333605, Tommi Komulainen) + +2006-02-27 Matthias Clasen <mclasen@redhat.com> + + * xdgmime.h (xdg_mime_dump): Don't export xdg_mime_dump. + +2005-12-01 Matthias Clasen <mclasen@redhat.com> + + * Merge upstream changes to handle duplicate glob + patterns. + +2005-11-04 Matthias Clasen <mclasen@redhat.com> + + * xdgmime.c (xdg_mime_list_mime_parents): Prevent + a segfault. + +2005-10-18 Matthias Clasen <mclasen@redhat.com> + + * xdgmimecache.c: Make magic comparisons work correctly + in the cache. + +2005-10-17 Matthias Clasen <mclasen@redhat.com> + + * xdgmime.c (xdg_mime_get_mime_type_for_file): Remove + a debugging printf. + +2005-09-01 Matthias Clasen <mclasen@redhat.com> + + * xdgmime.h: + * xdgmime.c (xdg_mime_get_mime_type_for_file): Take + a struct statbuf * as argument. + + * test-mime.c (main): Adjust. + +2005-08-24 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.8.2 === + + * === Released 2.8.1 === + +2005-08-13 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.8.0 === + +2005-08-07 Matthias Clasen <mclasen@redhat.com> + + * Rename caches to _caches, so it doesn't + get exported. Also don't export n_caches. + +2005-08-02 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.7.5 === + +2005-07-22 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.7.4 === + +2005-07-15 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.7.3 === + +2005-07-08 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.7.2 === + +2005-07-01 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.7.1 === + +2005-06-20 Matthias Clasen <mclasen@redhat.com> + + * xdgmimecache.c: Handle missing MAP_FAILED. (#308449, Georg + Schwarz) + +2005-06-20 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.7.0 === + +2005-06-10 Federico Mena Quintero <federico@ximian.com> + + * xdgmime.c (xdg_mime_init_from_directory): Pass the correct size + to realloc(). Fixes https://bugs.freedesktop.org/show_bug.cgi?id=3506. + +2005-06-09 Matthias Clasen <mclasen@redhat.com> + + * xdgmimemagic.c: Don't declare errno, including errno.h + is enough. (#304164, Joerg Sonnenberger) + +2005-05-20 Matthias Clasen <mclasen@redhat.com> + + * xdgmimecache.c (GET_UINT32): Don't rely on C99 + types. (#304924, John Ehresman) + +2005-04-29 Matthias Clasen <mclasen@redhat.com> + + * Sync to upstream. + +2005-04-08 Matthias Clasen <mclasen@redhat.com> + + * xdgmimecache.c (cache_magic_matchlet_compare_to_data) + (cache_magic_matchlet_compare): Use cache->buffer, not + cache. + +Tue Apr 5 16:00:04 2005 Manish Singh <yosh@gimp.org> + + * Makefile.am: add xdgmimecache.[ch]. + +2005-03-28 Matthias Clasen <mclasen@redhat.com> + + * xdgmimeglob.c: Sync to latest upstream, + including fixes for matching against multiple + extensions (eg .tar.gz) and for suffix + patterns which don't start with a dot. + +Sat Mar 19 23:52:33 2005 Manish Singh <yosh@gimp.org> + + * xdgmimeglob.c (_xdg_glob_hash_insert_text): cast away the constness + in the call to free(). + +2005-03-20 Matthias Clasen <mclasen@redhat.com> + + * xdgmimeglob.c (_xdg_glob_hash_insert_text): Don't + leak node->mime_type if we are reusing an existing + node. (#170774, Kjartan Maraas) + +2005-01-08 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.6.1 === + +2004-12-16 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.6.0 === + +2004-12-13 Marco Pesenti Gritti <marco@gnome.org> + + * xdgmimeglob.c: (_xdg_glob_hash_lookup_file_name): + + Resync with upstream again + +Fri Dec 10 13:58:38 2004 Manish Singh <yosh@gimp.org> + + * xdgmime.h: wrap new API in XDG_ENTRY(). + +2004-12-09 Marco Pesenti Gritti <marco@gnome.org> + + * xdgmime.c: (xdg_mime_unalias_mime_type), + (xdg_mime_mime_type_equal), (xdg_mime_mime_type_subclass), + (xdg_mime_get_mime_parents): + * xdgmime.h: + * xdgmimealias.c: (_xdg_mime_alias_list_lookup): + * xdgmimeglob.c: (_xdg_glob_hash_node_lookup_file_name): + * xdgmimeint.c: (_xdg_ucs4_to_lower): + * xdgmimeint.h: + * xdgmimemagic.c: (_xdg_mime_magic_read_from_file): + * xdgmimeparent.c: (_xdg_mime_parent_list_lookup): + + Resync with upstream + +2004-12-09 Matthias Clasen <mclasen@redhat.com> + + * xdgmimealias.c (_xdg_mime_alias_read_from_file): + * xdgmimeparent.c (_xdg_mime_parent_read_from_file): Make + repeated calls accumulate the results, don't call qsort() + on empty arrays. (#160838, Mariano Suárez-Alvarez) + +2004-12-02 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.5.6 === + +2004-11-29 Matthias Clasen <mclasen@redhat.com> + + * xdgmimeparent.c (_xdg_mime_parent_list_lookup): + * xdgmimealias.c (_xdg_mime_alias_list_lookup): Protect + against stupid bsearch() implementations. (#159737, + Morten Welinder) + +2004-11-24 Matthias Clasen <mclasen@redhat.com> + + * xdgmimeparent.c (_xdg_mime_parent_read_from_file): + Initialize the parent field of the newly allocate list + entry. (#159330, Alex Larsson) + +Fri Nov 19 15:10:32 2004 Manish Singh <yosh@gimp.org> + + * xdgmime.c: Don't put /* within a comment. + +2004-11-09 Matthias Clasen <mclasen@redhat.com> + + * xdgmime.h: Prefix all symbols. + +2004-11-08 Matthias Clasen <mclasen@redhat.com> + + * xdgmime.c (xdg_mime_mime_type_subclass): Enable matching + of supertypes as text/*. + + * Sync from upstream + +2004-10-27 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.5.4 === + +2004-09-19 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.5.3 === + +2004-08-25 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.5.2 === + +Wed Aug 11 20:44:35 2004 Matthias Clasen <maclas@gmx.de> + + * xdgmime.h (xdg_mime_shutdown): Add the XDG_PREFIX to + this function as well. + +2004-08-01 Matthias Clasen <mclasen@redhat.com> + + * === Released 2.5.1 === + +Tue Jul 20 22:24:35 2004 Matthias Clasen <maclas@gmx.de> + + * xdgmimeglob.h: Remove trailing commas from + enumerations. (#148035) + +Sun Jul 18 20:17:41 2004 Soeren Sandmann <sandmann@daimi.au.dk> + + * === Released 2.5.0 == + +Thu May 27 15:23:17 2004 Jonathan Blandford <jrb@gnome.org> + + * Sync from upstream + +Fri Apr 30 00:19:11 2004 Matthias Clasen <maclas@gmx.de> + + * xdgmimemagic.c (_xdg_mime_magic_read_a_number): Make sure + the static string is long enough. (#136323, Morten Welinder) + +2004-03-12 Morten Welinder <terra@gnome.org> + + * *.c: Make sure to include <config.h> (#137001) + +Wed Mar 10 22:48:15 2004 Jonathan Blandford <jrb@gnome.org> + + * Sync from upstream + +Sun Feb 8 19:05:16 2004 Manish Singh <yosh@gimp.org> + + * xdgmimeint.h: declare _xdg_utf8_skip as extern to prevent multiple + definitions. + +Wed Jan 21 09:33:13 2004 Jonathan Blandford <jrb@gnome.org> + + * libgnomevfs/xdgmimeglob.c: + * libgnomevfs/xdgmimemagic.c: Sync from upstream + +Tue Jan 20 13:07:04 2004 Jonathan Blandford <jrb@gnome.org> + + * xdgmime.c: resync with upstream sources. + +Fri Oct 24 16:54:57 2003 Owen Taylor <otaylor@redhat.com> + + * Makefile.am (libxdgmime_la_SOURCES): Add .h files to + SOURCES. + +Fri Oct 24 16:02:32 2003 Owen Taylor <otaylor@redhat.com> + + * *.[ch]: Relicense to be dual AFL/LGPL (and thus also + GPL) rather than AFL/GPL. Also update AFL version to 1.2. + +Tue Jul 22 15:37:45 2003 Jonathan Blandford <jrb@gnome.org> + + * xdgmime/xdgmime.c (xdg_mime_init): use XDG_DATA_HOME instead of + XDG_CONFIG_HOME. + diff --git a/lib/xdgmime/Makefile.am b/lib/xdgmime/Makefile.am new file mode 100644 index 0000000..3cf173d --- /dev/null +++ b/lib/xdgmime/Makefile.am @@ -0,0 +1,19 @@ +INCLUDES = -DXDG_PREFIX=sugar_mime + +noinst_LTLIBRARIES = libxdgmime.la + +libxdgmime_la_SOURCES = \ + xdgmime.c \ + xdgmime.h \ + xdgmimealias.c \ + xdgmimealias.h \ + xdgmimecache.c \ + xdgmimecache.h \ + xdgmimeglob.c \ + xdgmimeglob.h \ + xdgmimeint.c \ + xdgmimeint.h \ + xdgmimemagic.c \ + xdgmimemagic.h \ + xdgmimeparent.c \ + xdgmimeparent.h diff --git a/lib/xdgmime/xdgmime.c b/lib/xdgmime/xdgmime.c new file mode 100644 index 0000000..1d2007c --- /dev/null +++ b/lib/xdgmime/xdgmime.c @@ -0,0 +1,850 @@ +/* -*- mode: C; c-file-style: "gnu" -*- */ +/* xdgmime.c: XDG Mime Spec mime resolver. Based on version 0.11 of the spec. + * + * More info can be found at http://www.freedesktop.org/standards/ + * + * Copyright (C) 2003,2004 Red Hat, Inc. + * Copyright (C) 2003,2004 Jonathan Blandford <jrb@alum.mit.edu> + * + * Licensed under the Academic Free License version 2.0 + * Or under the following terms: + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "xdgmime.h" +#include "xdgmimeint.h" +#include "xdgmimeglob.h" +#include "xdgmimemagic.h" +#include "xdgmimealias.h" +#include "xdgmimeparent.h" +#include "xdgmimecache.h" +#include <stdio.h> +#include <string.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <sys/time.h> +#include <unistd.h> +#include <assert.h> + +typedef struct XdgDirTimeList XdgDirTimeList; +typedef struct XdgCallbackList XdgCallbackList; + +static int need_reread = TRUE; +static time_t last_stat_time = 0; + +static XdgGlobHash *global_hash = NULL; +static XdgMimeMagic *global_magic = NULL; +static XdgAliasList *alias_list = NULL; +static XdgParentList *parent_list = NULL; +static XdgDirTimeList *dir_time_list = NULL; +static XdgCallbackList *callback_list = NULL; + +XdgMimeCache **_caches = NULL; +static int n_caches = 0; + +const char xdg_mime_type_unknown[] = "application/octet-stream"; + + +enum +{ + XDG_CHECKED_UNCHECKED, + XDG_CHECKED_VALID, + XDG_CHECKED_INVALID +}; + +struct XdgDirTimeList +{ + time_t mtime; + char *directory_name; + int checked; + XdgDirTimeList *next; +}; + +struct XdgCallbackList +{ + XdgCallbackList *next; + XdgCallbackList *prev; + int callback_id; + XdgMimeCallback callback; + void *data; + XdgMimeDestroy destroy; +}; + +/* Function called by xdg_run_command_on_dirs. If it returns TRUE, further + * directories aren't looked at */ +typedef int (*XdgDirectoryFunc) (const char *directory, + void *user_data); + +static XdgDirTimeList * +xdg_dir_time_list_new (void) +{ + XdgDirTimeList *retval; + + retval = calloc (1, sizeof (XdgDirTimeList)); + retval->checked = XDG_CHECKED_UNCHECKED; + + return retval; +} + +static void +xdg_dir_time_list_free (XdgDirTimeList *list) +{ + XdgDirTimeList *next; + + while (list) + { + next = list->next; + free (list->directory_name); + free (list); + list = next; + } +} + +static int +xdg_mime_init_from_directory (const char *directory) +{ + char *file_name; + struct stat st; + XdgDirTimeList *list; + + assert (directory != NULL); + + file_name = malloc (strlen (directory) + strlen ("/mime/mime.cache") + 1); + strcpy (file_name, directory); strcat (file_name, "/mime/mime.cache"); + if (stat (file_name, &st) == 0) + { + XdgMimeCache *cache = _xdg_mime_cache_new_from_file (file_name); + + if (cache != NULL) + { + list = xdg_dir_time_list_new (); + list->directory_name = file_name; + list->mtime = st.st_mtime; + list->next = dir_time_list; + dir_time_list = list; + + _caches = realloc (_caches, sizeof (XdgMimeCache *) * (n_caches + 2)); + _caches[n_caches] = cache; + _caches[n_caches + 1] = NULL; + n_caches++; + + return FALSE; + } + } + free (file_name); + + file_name = malloc (strlen (directory) + strlen ("/mime/globs") + 1); + strcpy (file_name, directory); strcat (file_name, "/mime/globs"); + if (stat (file_name, &st) == 0) + { + _xdg_mime_glob_read_from_file (global_hash, file_name); + + list = xdg_dir_time_list_new (); + list->directory_name = file_name; + list->mtime = st.st_mtime; + list->next = dir_time_list; + dir_time_list = list; + } + else + { + free (file_name); + } + + file_name = malloc (strlen (directory) + strlen ("/mime/magic") + 1); + strcpy (file_name, directory); strcat (file_name, "/mime/magic"); + if (stat (file_name, &st) == 0) + { + _xdg_mime_magic_read_from_file (global_magic, file_name); + + list = xdg_dir_time_list_new (); + list->directory_name = file_name; + list->mtime = st.st_mtime; + list->next = dir_time_list; + dir_time_list = list; + } + else + { + free (file_name); + } + + file_name = malloc (strlen (directory) + strlen ("/mime/aliases") + 1); + strcpy (file_name, directory); strcat (file_name, "/mime/aliases"); + _xdg_mime_alias_read_from_file (alias_list, file_name); + free (file_name); + + file_name = malloc (strlen (directory) + strlen ("/mime/subclasses") + 1); + strcpy (file_name, directory); strcat (file_name, "/mime/subclasses"); + _xdg_mime_parent_read_from_file (parent_list, file_name); + free (file_name); + + return FALSE; /* Keep processing */ +} + +/* Runs a command on all the directories in the search path */ +static void +xdg_run_command_on_dirs (XdgDirectoryFunc func, + void *user_data) +{ + const char *xdg_data_home; + const char *xdg_data_dirs; + const char *ptr; + + xdg_data_home = getenv ("XDG_DATA_HOME"); + if (xdg_data_home) + { + if ((func) (xdg_data_home, user_data)) + return; + } + else + { + const char *home; + + home = getenv ("HOME"); + if (home != NULL) + { + char *guessed_xdg_home; + int stop_processing; + + guessed_xdg_home = malloc (strlen (home) + strlen ("/.local/share/") + 1); + strcpy (guessed_xdg_home, home); + strcat (guessed_xdg_home, "/.local/share/"); + stop_processing = (func) (guessed_xdg_home, user_data); + free (guessed_xdg_home); + + if (stop_processing) + return; + } + } + + xdg_data_dirs = getenv ("XDG_DATA_DIRS"); + if (xdg_data_dirs == NULL) + xdg_data_dirs = "/usr/local/share/:/usr/share/"; + + ptr = xdg_data_dirs; + + while (*ptr != '\000') + { + const char *end_ptr; + char *dir; + int len; + int stop_processing; + + end_ptr = ptr; + while (*end_ptr != ':' && *end_ptr != '\000') + end_ptr ++; + + if (end_ptr == ptr) + { + ptr++; + continue; + } + + if (*end_ptr == ':') + len = end_ptr - ptr; + else + len = end_ptr - ptr + 1; + dir = malloc (len + 1); + strncpy (dir, ptr, len); + dir[len] = '\0'; + stop_processing = (func) (dir, user_data); + free (dir); + + if (stop_processing) + return; + + ptr = end_ptr; + } +} + +/* Checks file_path to make sure it has the same mtime as last time it was + * checked. If it has a different mtime, or if the file doesn't exist, it + * returns FALSE. + * + * FIXME: This doesn't protect against permission changes. + */ +static int +xdg_check_file (const char *file_path, + int *exists) +{ + struct stat st; + + /* If the file exists */ + if (stat (file_path, &st) == 0) + { + XdgDirTimeList *list; + + if (exists) + *exists = TRUE; + + for (list = dir_time_list; list; list = list->next) + { + if (! strcmp (list->directory_name, file_path) && + st.st_mtime == list->mtime) + { + if (list->checked == XDG_CHECKED_UNCHECKED) + list->checked = XDG_CHECKED_VALID; + else if (list->checked == XDG_CHECKED_VALID) + list->checked = XDG_CHECKED_INVALID; + + return (list->checked != XDG_CHECKED_VALID); + } + } + return TRUE; + } + + if (exists) + *exists = FALSE; + + return FALSE; +} + +static int +xdg_check_dir (const char *directory, + int *invalid_dir_list) +{ + int invalid, exists; + char *file_name; + + assert (directory != NULL); + + /* Check the mime.cache file */ + file_name = malloc (strlen (directory) + strlen ("/mime/mime.cache") + 1); + strcpy (file_name, directory); strcat (file_name, "/mime/mime.cache"); + invalid = xdg_check_file (file_name, &exists); + free (file_name); + if (invalid) + { + *invalid_dir_list = TRUE; + return TRUE; + } + else if (exists) + { + return FALSE; + } + + /* Check the globs file */ + file_name = malloc (strlen (directory) + strlen ("/mime/globs") + 1); + strcpy (file_name, directory); strcat (file_name, "/mime/globs"); + invalid = xdg_check_file (file_name, NULL); + free (file_name); + if (invalid) + { + *invalid_dir_list = TRUE; + return TRUE; + } + + /* Check the magic file */ + file_name = malloc (strlen (directory) + strlen ("/mime/magic") + 1); + strcpy (file_name, directory); strcat (file_name, "/mime/magic"); + invalid = xdg_check_file (file_name, NULL); + free (file_name); + if (invalid) + { + *invalid_dir_list = TRUE; + return TRUE; + } + + return FALSE; /* Keep processing */ +} + +/* Walks through all the mime files stat()ing them to see if they've changed. + * Returns TRUE if they have. */ +static int +xdg_check_dirs (void) +{ + XdgDirTimeList *list; + int invalid_dir_list = FALSE; + + for (list = dir_time_list; list; list = list->next) + list->checked = XDG_CHECKED_UNCHECKED; + + xdg_run_command_on_dirs ((XdgDirectoryFunc) xdg_check_dir, + &invalid_dir_list); + + if (invalid_dir_list) + return TRUE; + + for (list = dir_time_list; list; list = list->next) + { + if (list->checked != XDG_CHECKED_VALID) + return TRUE; + } + + return FALSE; +} + +/* We want to avoid stat()ing on every single mime call, so we only look for + * newer files every 5 seconds. This will return TRUE if we need to reread the + * mime data from disk. + */ +static int +xdg_check_time_and_dirs (void) +{ + struct timeval tv; + time_t current_time; + int retval = FALSE; + + gettimeofday (&tv, NULL); + current_time = tv.tv_sec; + + if (current_time >= last_stat_time + 5) + { + retval = xdg_check_dirs (); + last_stat_time = current_time; + } + + return retval; +} + +/* Called in every public function. It reloads the hash function if need be. + */ +static void +xdg_mime_init (void) +{ + if (xdg_check_time_and_dirs ()) + { + xdg_mime_shutdown (); + } + + if (need_reread) + { + global_hash = _xdg_glob_hash_new (); + global_magic = _xdg_mime_magic_new (); + alias_list = _xdg_mime_alias_list_new (); + parent_list = _xdg_mime_parent_list_new (); + + xdg_run_command_on_dirs ((XdgDirectoryFunc) xdg_mime_init_from_directory, + NULL); + + need_reread = FALSE; + } +} + +const char * +xdg_mime_get_mime_type_for_data (const void *data, + size_t len) +{ + const char *mime_type; + + xdg_mime_init (); + + if (_caches) + return _xdg_mime_cache_get_mime_type_for_data (data, len); + + mime_type = _xdg_mime_magic_lookup_data (global_magic, data, len, NULL, 0); + + if (mime_type) + return mime_type; + + return XDG_MIME_TYPE_UNKNOWN; +} + +const char * +xdg_mime_get_mime_type_for_file (const char *file_name, + struct stat *statbuf) +{ + const char *mime_type; + /* currently, only a few globs occur twice, and none + * more often, so 5 seems plenty. + */ + const char *mime_types[5]; + FILE *file; + unsigned char *data; + int max_extent; + int bytes_read; + struct stat buf; + const char *base_name; + int n; + + if (file_name == NULL) + return NULL; + if (! _xdg_utf8_validate (file_name)) + return NULL; + + xdg_mime_init (); + + if (_caches) + return _xdg_mime_cache_get_mime_type_for_file (file_name, statbuf); + + base_name = _xdg_get_base_name (file_name); + n = _xdg_glob_hash_lookup_file_name (global_hash, base_name, mime_types, 5); + + if (n == 1) + return mime_types[0]; + + if (!statbuf) + { + if (stat (file_name, &buf) != 0) + return XDG_MIME_TYPE_UNKNOWN; + + statbuf = &buf; + } + + if (!S_ISREG (statbuf->st_mode)) + return XDG_MIME_TYPE_UNKNOWN; + + /* FIXME: Need to make sure that max_extent isn't totally broken. This could + * be large and need getting from a stream instead of just reading it all + * in. */ + max_extent = _xdg_mime_magic_get_buffer_extents (global_magic); + data = malloc (max_extent); + if (data == NULL) + return XDG_MIME_TYPE_UNKNOWN; + + file = fopen (file_name, "r"); + if (file == NULL) + { + free (data); + return XDG_MIME_TYPE_UNKNOWN; + } + + bytes_read = fread (data, 1, max_extent, file); + if (ferror (file)) + { + free (data); + fclose (file); + return XDG_MIME_TYPE_UNKNOWN; + } + + mime_type = _xdg_mime_magic_lookup_data (global_magic, data, bytes_read, + mime_types, n); + + free (data); + fclose (file); + + if (mime_type) + return mime_type; + + return XDG_MIME_TYPE_UNKNOWN; +} + +const char * +xdg_mime_get_mime_type_from_file_name (const char *file_name) +{ + const char *mime_type; + + xdg_mime_init (); + + if (_caches) + return _xdg_mime_cache_get_mime_type_from_file_name (file_name); + + if (_xdg_glob_hash_lookup_file_name (global_hash, file_name, &mime_type, 1)) + return mime_type; + else + return XDG_MIME_TYPE_UNKNOWN; +} + +int +xdg_mime_is_valid_mime_type (const char *mime_type) +{ + /* FIXME: We should make this a better test + */ + return _xdg_utf8_validate (mime_type); +} + +void +xdg_mime_shutdown (void) +{ + XdgCallbackList *list; + + /* FIXME: Need to make this (and the whole library) thread safe */ + if (dir_time_list) + { + xdg_dir_time_list_free (dir_time_list); + dir_time_list = NULL; + } + + if (global_hash) + { + _xdg_glob_hash_free (global_hash); + global_hash = NULL; + } + if (global_magic) + { + _xdg_mime_magic_free (global_magic); + global_magic = NULL; + } + + if (alias_list) + { + _xdg_mime_alias_list_free (alias_list); + alias_list = NULL; + } + + if (parent_list) + { + _xdg_mime_parent_list_free (parent_list); + parent_list = NULL; + } + + if (_caches) + { + int i; + + for (i = 0; i < n_caches; i++) + _xdg_mime_cache_unref (_caches[i]); + free (_caches); + _caches = NULL; + n_caches = 0; + } + + for (list = callback_list; list; list = list->next) + (list->callback) (list->data); + + need_reread = TRUE; +} + +int +xdg_mime_get_max_buffer_extents (void) +{ + xdg_mime_init (); + + if (_caches) + return _xdg_mime_cache_get_max_buffer_extents (); + + return _xdg_mime_magic_get_buffer_extents (global_magic); +} + +const char * +_xdg_mime_unalias_mime_type (const char *mime_type) +{ + const char *lookup; + + if (_caches) + return _xdg_mime_cache_unalias_mime_type (mime_type); + + if ((lookup = _xdg_mime_alias_list_lookup (alias_list, mime_type)) != NULL) + return lookup; + + return mime_type; +} + +const char * +xdg_mime_unalias_mime_type (const char *mime_type) +{ + xdg_mime_init (); + + return _xdg_mime_unalias_mime_type (mime_type); +} + +int +_xdg_mime_mime_type_equal (const char *mime_a, + const char *mime_b) +{ + const char *unalias_a, *unalias_b; + + unalias_a = _xdg_mime_unalias_mime_type (mime_a); + unalias_b = _xdg_mime_unalias_mime_type (mime_b); + + if (strcmp (unalias_a, unalias_b) == 0) + return 1; + + return 0; +} + +int +xdg_mime_mime_type_equal (const char *mime_a, + const char *mime_b) +{ + xdg_mime_init (); + + return _xdg_mime_mime_type_equal (mime_a, mime_b); +} + +int +xdg_mime_media_type_equal (const char *mime_a, + const char *mime_b) +{ + char *sep; + + xdg_mime_init (); + + sep = strchr (mime_a, '/'); + + if (sep && strncmp (mime_a, mime_b, sep - mime_a + 1) == 0) + return 1; + + return 0; +} + +#if 1 +static int +xdg_mime_is_super_type (const char *mime) +{ + int length; + const char *type; + + length = strlen (mime); + type = &(mime[length - 2]); + + if (strcmp (type, "/*") == 0) + return 1; + + return 0; +} +#endif + +int +_xdg_mime_mime_type_subclass (const char *mime, + const char *base) +{ + const char *umime, *ubase; + const char **parents; + + if (_caches) + return _xdg_mime_cache_mime_type_subclass (mime, base); + + umime = _xdg_mime_unalias_mime_type (mime); + ubase = _xdg_mime_unalias_mime_type (base); + + if (strcmp (umime, ubase) == 0) + return 1; + +#if 1 + /* Handle supertypes */ + if (xdg_mime_is_super_type (ubase) && + xdg_mime_media_type_equal (umime, ubase)) + return 1; +#endif + + /* Handle special cases text/plain and application/octet-stream */ + if (strcmp (ubase, "text/plain") == 0 && + strncmp (umime, "text/", 5) == 0) + return 1; + + if (strcmp (ubase, "application/octet-stream") == 0) + return 1; + + parents = _xdg_mime_parent_list_lookup (parent_list, umime); + for (; parents && *parents; parents++) + { + if (_xdg_mime_mime_type_subclass (*parents, ubase)) + return 1; + } + + return 0; +} + +int +xdg_mime_mime_type_subclass (const char *mime, + const char *base) +{ + xdg_mime_init (); + + return _xdg_mime_mime_type_subclass (mime, base); +} + +char ** +xdg_mime_list_mime_parents (const char *mime) +{ + const char **parents; + char **result; + int i, n; + + if (_caches) + return _xdg_mime_cache_list_mime_parents (mime); + + parents = xdg_mime_get_mime_parents (mime); + + if (!parents) + return NULL; + + for (i = 0; parents[i]; i++) ; + + n = (i + 1) * sizeof (char *); + result = (char **) malloc (n); + memcpy (result, parents, n); + + return result; +} + +const char ** +xdg_mime_get_mime_parents (const char *mime) +{ + const char *umime; + + xdg_mime_init (); + + umime = _xdg_mime_unalias_mime_type (mime); + + return _xdg_mime_parent_list_lookup (parent_list, umime); +} + +void +xdg_mime_dump (void) +{ + printf ("*** ALIASES ***\n\n"); + _xdg_mime_alias_list_dump (alias_list); + printf ("\n*** PARENTS ***\n\n"); + _xdg_mime_parent_list_dump (parent_list); +} + + +/* Registers a function to be called every time the mime database reloads its files + */ +int +xdg_mime_register_reload_callback (XdgMimeCallback callback, + void *data, + XdgMimeDestroy destroy) +{ + XdgCallbackList *list_el; + static int callback_id = 1; + + /* Make a new list element */ + list_el = calloc (1, sizeof (XdgCallbackList)); + list_el->callback_id = callback_id; + list_el->callback = callback; + list_el->data = data; + list_el->destroy = destroy; + list_el->next = callback_list; + if (list_el->next) + list_el->next->prev = list_el; + + callback_list = list_el; + callback_id ++; + + return callback_id - 1; +} + +void +xdg_mime_remove_callback (int callback_id) +{ + XdgCallbackList *list; + + for (list = callback_list; list; list = list->next) + { + if (list->callback_id == callback_id) + { + if (list->next) + list->next = list->prev; + + if (list->prev) + list->prev->next = list->next; + else + callback_list = list->next; + + /* invoke the destroy handler */ + (list->destroy) (list->data); + free (list); + return; + } + } +} diff --git a/lib/xdgmime/xdgmime.h b/lib/xdgmime/xdgmime.h new file mode 100644 index 0000000..d8172be --- /dev/null +++ b/lib/xdgmime/xdgmime.h @@ -0,0 +1,111 @@ +/* -*- mode: C; c-file-style: "gnu" -*- */ +/* xdgmime.h: XDG Mime Spec mime resolver. Based on version 0.11 of the spec. + * + * More info can be found at http://www.freedesktop.org/standards/ + * + * Copyright (C) 2003 Red Hat, Inc. + * Copyright (C) 2003 Jonathan Blandford <jrb@alum.mit.edu> + * + * Licensed under the Academic Free License version 2.0 + * Or under the following terms: + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + + +#ifndef __XDG_MIME_H__ +#define __XDG_MIME_H__ + +#include <stdlib.h> +#include <sys/stat.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#ifdef XDG_PREFIX +#define XDG_ENTRY(func) _XDG_ENTRY2(XDG_PREFIX,func) +#define _XDG_ENTRY2(prefix,func) _XDG_ENTRY3(prefix,func) +#define _XDG_ENTRY3(prefix,func) prefix##_##func +#endif + +typedef void (*XdgMimeCallback) (void *user_data); +typedef void (*XdgMimeDestroy) (void *user_data); + + +#ifdef XDG_PREFIX +#define xdg_mime_get_mime_type_for_data XDG_ENTRY(get_mime_type_for_data) +#define xdg_mime_get_mime_type_for_file XDG_ENTRY(get_mime_type_for_file) +#define xdg_mime_get_mime_type_from_file_name XDG_ENTRY(get_mime_type_from_file_name) +#define xdg_mime_is_valid_mime_type XDG_ENTRY(is_valid_mime_type) +#define xdg_mime_mime_type_equal XDG_ENTRY(mime_type_equal) +#define xdg_mime_media_type_equal XDG_ENTRY(media_type_equal) +#define xdg_mime_mime_type_subclass XDG_ENTRY(mime_type_subclass) +#define xdg_mime_get_mime_parents XDG_ENTRY(get_mime_parents) +#define xdg_mime_list_mime_parents XDG_ENTRY(list_mime_parents) +#define xdg_mime_unalias_mime_type XDG_ENTRY(unalias_mime_type) +#define xdg_mime_get_max_buffer_extents XDG_ENTRY(get_max_buffer_extents) +#define xdg_mime_shutdown XDG_ENTRY(shutdown) +#define xdg_mime_dump XDG_ENTRY(dump) +#define xdg_mime_register_reload_callback XDG_ENTRY(register_reload_callback) +#define xdg_mime_remove_callback XDG_ENTRY(remove_callback) +#define xdg_mime_type_unknown XDG_ENTRY(type_unknown) +#endif + +extern const char xdg_mime_type_unknown[]; +#define XDG_MIME_TYPE_UNKNOWN xdg_mime_type_unknown + +const char *xdg_mime_get_mime_type_for_data (const void *data, + size_t len); +const char *xdg_mime_get_mime_type_for_file (const char *file_name, + struct stat *statbuf); +const char *xdg_mime_get_mime_type_from_file_name (const char *file_name); +int xdg_mime_is_valid_mime_type (const char *mime_type); +int xdg_mime_mime_type_equal (const char *mime_a, + const char *mime_b); +int xdg_mime_media_type_equal (const char *mime_a, + const char *mime_b); +int xdg_mime_mime_type_subclass (const char *mime_a, + const char *mime_b); + /* xdg_mime_get_mime_parents() is deprecated since it does + * not work correctly with caches. Use xdg_mime_list_parents() + * instead, but notice that that function expects you to free + * the array it returns. + */ +const char **xdg_mime_get_mime_parents (const char *mime); +char ** xdg_mime_list_mime_parents (const char *mime); +const char *xdg_mime_unalias_mime_type (const char *mime); +int xdg_mime_get_max_buffer_extents (void); +void xdg_mime_shutdown (void); +void xdg_mime_dump (void); +int xdg_mime_register_reload_callback (XdgMimeCallback callback, + void *data, + XdgMimeDestroy destroy); +void xdg_mime_remove_callback (int callback_id); + + /* Private versions of functions that don't call xdg_mime_init () */ +int _xdg_mime_mime_type_equal (const char *mime_a, + const char *mime_b); +int _xdg_mime_media_type_equal (const char *mime_a, + const char *mime_b); +int _xdg_mime_mime_type_subclass (const char *mime, + const char *base); + + +#ifdef __cplusplus +} +#endif /* __cplusplus */ +#endif /* __XDG_MIME_H__ */ diff --git a/lib/xdgmime/xdgmimealias.c b/lib/xdgmime/xdgmimealias.c new file mode 100644 index 0000000..2dd70f1 --- /dev/null +++ b/lib/xdgmime/xdgmimealias.c @@ -0,0 +1,184 @@ +/* -*- mode: C; c-file-style: "gnu" -*- */ +/* xdgmimealias.c: Private file. Datastructure for storing the aliases. + * + * More info can be found at http://www.freedesktop.org/standards/ + * + * Copyright (C) 2004 Red Hat, Inc. + * Copyright (C) 2004 Matthias Clasen <mclasen@redhat.com> + * + * Licensed under the Academic Free License version 2.0 + * Or under the following terms: + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "xdgmimealias.h" +#include "xdgmimeint.h" +#include <stdlib.h> +#include <stdio.h> +#include <assert.h> +#include <string.h> +#include <fnmatch.h> + +#ifndef FALSE +#define FALSE (0) +#endif + +#ifndef TRUE +#define TRUE (!FALSE) +#endif + +typedef struct XdgAlias XdgAlias; + +struct XdgAlias +{ + char *alias; + char *mime_type; +}; + +struct XdgAliasList +{ + struct XdgAlias *aliases; + int n_aliases; +}; + +XdgAliasList * +_xdg_mime_alias_list_new (void) +{ + XdgAliasList *list; + + list = malloc (sizeof (XdgAliasList)); + + list->aliases = NULL; + list->n_aliases = 0; + + return list; +} + +void +_xdg_mime_alias_list_free (XdgAliasList *list) +{ + int i; + + if (list->aliases) + { + for (i = 0; i < list->n_aliases; i++) + { + free (list->aliases[i].alias); + free (list->aliases[i].mime_type); + } + free (list->aliases); + } + free (list); +} + +static int +alias_entry_cmp (const void *v1, const void *v2) +{ + return strcmp (((XdgAlias *)v1)->alias, ((XdgAlias *)v2)->alias); +} + +const char * +_xdg_mime_alias_list_lookup (XdgAliasList *list, + const char *alias) +{ + XdgAlias *entry; + XdgAlias key; + + if (list->n_aliases > 0) + { + key.alias = (char *)alias; + key.mime_type = 0; + + entry = bsearch (&key, list->aliases, list->n_aliases, + sizeof (XdgAlias), alias_entry_cmp); + if (entry) + return entry->mime_type; + } + + return NULL; +} + +void +_xdg_mime_alias_read_from_file (XdgAliasList *list, + const char *file_name) +{ + FILE *file; + char line[255]; + int alloc; + + file = fopen (file_name, "r"); + + if (file == NULL) + return; + + /* FIXME: Not UTF-8 safe. Doesn't work if lines are greater than 255 chars. + * Blah */ + alloc = list->n_aliases + 16; + list->aliases = realloc (list->aliases, alloc * sizeof (XdgAlias)); + while (fgets (line, 255, file) != NULL) + { + char *sep; + if (line[0] == '#') + continue; + + sep = strchr (line, ' '); + if (sep == NULL) + continue; + *(sep++) = '\000'; + sep[strlen (sep) -1] = '\000'; + if (list->n_aliases == alloc) + { + alloc <<= 1; + list->aliases = realloc (list->aliases, + alloc * sizeof (XdgAlias)); + } + list->aliases[list->n_aliases].alias = strdup (line); + list->aliases[list->n_aliases].mime_type = strdup (sep); + list->n_aliases++; + } + list->aliases = realloc (list->aliases, + list->n_aliases * sizeof (XdgAlias)); + + fclose (file); + + if (list->n_aliases > 1) + qsort (list->aliases, list->n_aliases, + sizeof (XdgAlias), alias_entry_cmp); +} + + +void +_xdg_mime_alias_list_dump (XdgAliasList *list) +{ + int i; + + if (list->aliases) + { + for (i = 0; i < list->n_aliases; i++) + { + printf ("%s %s\n", + list->aliases[i].alias, + list->aliases[i].mime_type); + } + } +} + + diff --git a/lib/xdgmime/xdgmimealias.h b/lib/xdgmime/xdgmimealias.h new file mode 100644 index 0000000..3df18d6 --- /dev/null +++ b/lib/xdgmime/xdgmimealias.h @@ -0,0 +1,50 @@ +/* -*- mode: C; c-file-style: "gnu" -*- */ +/* xdgmimealias.h: Private file. Datastructure for storing the aliases. + * + * More info can be found at http://www.freedesktop.org/standards/ + * + * Copyright (C) 2004 Red Hat, Inc. + * Copyright (C) 200 Matthias Clasen <mclasen@redhat.com> + * + * Licensed under the Academic Free License version 2.0 + * Or under the following terms: + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __XDG_MIME_ALIAS_H__ +#define __XDG_MIME_ALIAS_H__ + +#include "xdgmime.h" + +typedef struct XdgAliasList XdgAliasList; + +#ifdef XDG_PREFIX +#define _xdg_mime_alias_read_from_file XDG_ENTRY(alias_read_from_file) +#define _xdg_mime_alias_list_new XDG_ENTRY(alias_list_new) +#define _xdg_mime_alias_list_free XDG_ENTRY(alias_list_free) +#define _xdg_mime_alias_list_lookup XDG_ENTRY(alias_list_lookup) +#endif + +void _xdg_mime_alias_read_from_file (XdgAliasList *list, + const char *file_name); +XdgAliasList *_xdg_mime_alias_list_new (void); +void _xdg_mime_alias_list_free (XdgAliasList *list); +const char *_xdg_mime_alias_list_lookup (XdgAliasList *list, + const char *alias); +void _xdg_mime_alias_list_dump (XdgAliasList *list); + +#endif /* __XDG_MIME_ALIAS_H__ */ diff --git a/lib/xdgmime/xdgmimecache.c b/lib/xdgmime/xdgmimecache.c new file mode 100644 index 0000000..8804eab --- /dev/null +++ b/lib/xdgmime/xdgmimecache.c @@ -0,0 +1,895 @@ +/* -*- mode: C; c-file-style: "gnu" -*- */ +/* xdgmimealias.c: Private file. mmappable caches for mime data + * + * More info can be found at http://www.freedesktop.org/standards/ + * + * Copyright (C) 2005 Matthias Clasen <mclasen@redhat.com> + * + * Licensed under the Academic Free License version 2.0 + * Or under the following terms: + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <fcntl.h> +#include <unistd.h> +#include <fnmatch.h> +#include <assert.h> + +#include <netinet/in.h> /* for ntohl/ntohs */ + +#ifdef HAVE_MMAP +#include <sys/mman.h> +#endif + +#include <sys/stat.h> +#include <sys/types.h> + +#include "xdgmimecache.h" +#include "xdgmimeint.h" + +#ifndef MAX +#define MAX(a,b) ((a) > (b) ? (a) : (b)) +#endif + +#ifndef FALSE +#define FALSE (0) +#endif + +#ifndef TRUE +#define TRUE (!FALSE) +#endif + +#ifndef _O_BINARY +#define _O_BINARY 0 +#endif + +#ifndef MAP_FAILED +#define MAP_FAILED ((void *) -1) +#endif + +#define MAJOR_VERSION 1 +#define MINOR_VERSION 0 + +struct _XdgMimeCache +{ + int ref_count; + + size_t size; + char *buffer; +}; + +#define GET_UINT16(cache,offset) (ntohs(*(xdg_uint16_t*)((cache) + (offset)))) +#define GET_UINT32(cache,offset) (ntohl(*(xdg_uint32_t*)((cache) + (offset)))) + +XdgMimeCache * +_xdg_mime_cache_ref (XdgMimeCache *cache) +{ + cache->ref_count++; + return cache; +} + +void +_xdg_mime_cache_unref (XdgMimeCache *cache) +{ + cache->ref_count--; + + if (cache->ref_count == 0) + { +#ifdef HAVE_MMAP + munmap (cache->buffer, cache->size); +#endif + free (cache); + } +} + +XdgMimeCache * +_xdg_mime_cache_new_from_file (const char *file_name) +{ + XdgMimeCache *cache = NULL; + +#ifdef HAVE_MMAP + int fd = -1; + struct stat st; + char *buffer = NULL; + + /* Open the file and map it into memory */ + fd = open (file_name, O_RDONLY|_O_BINARY, 0); + + if (fd < 0) + return NULL; + + if (fstat (fd, &st) < 0 || st.st_size < 4) + goto done; + + buffer = (char *) mmap (NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0); + + if (buffer == MAP_FAILED) + goto done; + + /* Verify version */ + if (GET_UINT16 (buffer, 0) != MAJOR_VERSION || + GET_UINT16 (buffer, 2) != MINOR_VERSION) + { + munmap (buffer, st.st_size); + + goto done; + } + + cache = (XdgMimeCache *) malloc (sizeof (XdgMimeCache)); + cache->ref_count = 1; + cache->buffer = buffer; + cache->size = st.st_size; + + done: + if (fd != -1) + close (fd); + +#endif /* HAVE_MMAP */ + + return cache; +} + +static int +cache_magic_matchlet_compare_to_data (XdgMimeCache *cache, + xdg_uint32_t offset, + const void *data, + size_t len) +{ + xdg_uint32_t range_start = GET_UINT32 (cache->buffer, offset); + xdg_uint32_t range_length = GET_UINT32 (cache->buffer, offset + 4); + xdg_uint32_t data_length = GET_UINT32 (cache->buffer, offset + 12); + xdg_uint32_t data_offset = GET_UINT32 (cache->buffer, offset + 16); + xdg_uint32_t mask_offset = GET_UINT32 (cache->buffer, offset + 20); + + int i, j; + + for (i = range_start; i <= range_start + range_length; i++) + { + int valid_matchlet = TRUE; + + if (i + data_length > len) + return FALSE; + + if (mask_offset) + { + for (j = 0; j < data_length; j++) + { + if ((((unsigned char *)cache->buffer)[data_offset + j] & ((unsigned char *)cache->buffer)[mask_offset + j]) != + ((((unsigned char *) data)[j + i]) & ((unsigned char *)cache->buffer)[mask_offset + j])) + { + valid_matchlet = FALSE; + break; + } + } + } + else + { + for (j = 0; j < data_length; j++) + { + if (((unsigned char *)cache->buffer)[data_offset + j] != ((unsigned char *) data)[j + i]) + { + valid_matchlet = FALSE; + break; + } + } + } + + if (valid_matchlet) + return TRUE; + } + + return FALSE; +} + +static int +cache_magic_matchlet_compare (XdgMimeCache *cache, + xdg_uint32_t offset, + const void *data, + size_t len) +{ + xdg_uint32_t n_children = GET_UINT32 (cache->buffer, offset + 24); + xdg_uint32_t child_offset = GET_UINT32 (cache->buffer, offset + 28); + + int i; + + if (cache_magic_matchlet_compare_to_data (cache, offset, data, len)) + { + if (n_children == 0) + return TRUE; + + for (i = 0; i < n_children; i++) + { + if (cache_magic_matchlet_compare (cache, child_offset + 32 * i, + data, len)) + return TRUE; + } + } + + return FALSE; +} + +static const char * +cache_magic_compare_to_data (XdgMimeCache *cache, + xdg_uint32_t offset, + const void *data, + size_t len, + int *prio) +{ + xdg_uint32_t priority = GET_UINT32 (cache->buffer, offset); + xdg_uint32_t mimetype_offset = GET_UINT32 (cache->buffer, offset + 4); + xdg_uint32_t n_matchlets = GET_UINT32 (cache->buffer, offset + 8); + xdg_uint32_t matchlet_offset = GET_UINT32 (cache->buffer, offset + 12); + + int i; + + for (i = 0; i < n_matchlets; i++) + { + if (cache_magic_matchlet_compare (cache, matchlet_offset + i * 32, + data, len)) + { + *prio = priority; + + return cache->buffer + mimetype_offset; + } + } + + return NULL; +} + +static const char * +cache_magic_lookup_data (XdgMimeCache *cache, + const void *data, + size_t len, + int *prio, + const char *mime_types[], + int n_mime_types) +{ + xdg_uint32_t list_offset; + xdg_uint32_t n_entries; + xdg_uint32_t offset; + + int j, n; + + *prio = 0; + + list_offset = GET_UINT32 (cache->buffer, 24); + n_entries = GET_UINT32 (cache->buffer, list_offset); + offset = GET_UINT32 (cache->buffer, list_offset + 8); + + for (j = 0; j < n_entries; j++) + { + const char *match; + + match = cache_magic_compare_to_data (cache, offset + 16 * j, + data, len, prio); + if (match) + return match; + else + { + xdg_uint32_t mimetype_offset; + const char *non_match; + + mimetype_offset = GET_UINT32 (cache->buffer, offset + 16 * j + 4); + non_match = cache->buffer + mimetype_offset; + + for (n = 0; n < n_mime_types; n++) + { + if (mime_types[n] && + xdg_mime_mime_type_equal (mime_types[n], non_match)) + mime_types[n] = NULL; + } + } + } + + return NULL; +} + +static const char * +cache_alias_lookup (const char *alias) +{ + const char *ptr; + int i, min, max, mid, cmp; + + for (i = 0; _caches[i]; i++) + { + XdgMimeCache *cache = _caches[i]; + xdg_uint32_t list_offset = GET_UINT32 (cache->buffer, 4); + xdg_uint32_t n_entries = GET_UINT32 (cache->buffer, list_offset); + xdg_uint32_t offset; + + min = 0; + max = n_entries - 1; + while (max >= min) + { + mid = (min + max) / 2; + + offset = GET_UINT32 (cache->buffer, list_offset + 4 + 8 * mid); + ptr = cache->buffer + offset; + cmp = strcmp (ptr, alias); + + if (cmp < 0) + min = mid + 1; + else if (cmp > 0) + max = mid - 1; + else + { + offset = GET_UINT32 (cache->buffer, list_offset + 4 + 8 * mid + 4); + return cache->buffer + offset; + } + } + } + + return NULL; +} + +static int +cache_glob_lookup_literal (const char *file_name, + const char *mime_types[], + int n_mime_types) +{ + const char *ptr; + int i, min, max, mid, cmp; + + for (i = 0; _caches[i]; i++) + { + XdgMimeCache *cache = _caches[i]; + xdg_uint32_t list_offset = GET_UINT32 (cache->buffer, 12); + xdg_uint32_t n_entries = GET_UINT32 (cache->buffer, list_offset); + xdg_uint32_t offset; + + min = 0; + max = n_entries - 1; + while (max >= min) + { + mid = (min + max) / 2; + + offset = GET_UINT32 (cache->buffer, list_offset + 4 + 8 * mid); + ptr = cache->buffer + offset; + cmp = strcmp (ptr, file_name); + + if (cmp < 0) + min = mid + 1; + else if (cmp > 0) + max = mid - 1; + else + { + offset = GET_UINT32 (cache->buffer, list_offset + 4 + 8 * mid + 4); + mime_types[0] = (const char *)(cache->buffer + offset); + + return 1; + } + } + } + + return 0; +} + +static int +cache_glob_lookup_fnmatch (const char *file_name, + const char *mime_types[], + int n_mime_types) +{ + const char *mime_type; + const char *ptr; + + int i, j, n; + + n = 0; + for (i = 0; _caches[i]; i++) + { + XdgMimeCache *cache = _caches[i]; + + xdg_uint32_t list_offset = GET_UINT32 (cache->buffer, 20); + xdg_uint32_t n_entries = GET_UINT32 (cache->buffer, list_offset); + + for (j = 0; j < n_entries && n < n_mime_types; j++) + { + xdg_uint32_t offset = GET_UINT32 (cache->buffer, list_offset + 4 + 8 * j); + xdg_uint32_t mimetype_offset = GET_UINT32 (cache->buffer, list_offset + 4 + 8 * j + 4); + ptr = cache->buffer + offset; + mime_type = cache->buffer + mimetype_offset; + + /* FIXME: Not UTF-8 safe */ + if (fnmatch (ptr, file_name, 0) == 0) + mime_types[n++] = mime_type; + } + + if (n > 0) + return n; + } + + return 0; +} + +static int +cache_glob_node_lookup_suffix (XdgMimeCache *cache, + xdg_uint32_t n_entries, + xdg_uint32_t offset, + const char *suffix, + int ignore_case, + const char *mime_types[], + int n_mime_types) +{ + xdg_unichar_t character; + xdg_unichar_t match_char; + xdg_uint32_t mimetype_offset; + xdg_uint32_t n_children; + xdg_uint32_t child_offset; + + int min, max, mid, n, i; + + character = _xdg_utf8_to_ucs4 (suffix); + if (ignore_case) + character = _xdg_ucs4_to_lower (character); + + min = 0; + max = n_entries - 1; + while (max >= min) + { + mid = (min + max) / 2; + + match_char = GET_UINT32 (cache->buffer, offset + 16 * mid); + + if (match_char < character) + min = mid + 1; + else if (match_char > character) + max = mid - 1; + else + { + suffix = _xdg_utf8_next_char (suffix); + if (*suffix == '\0') + { + mimetype_offset = GET_UINT32 (cache->buffer, offset + 16 * mid + 4); + n = 0; + if (mimetype_offset) + mime_types[n++] = cache->buffer + mimetype_offset; + + n_children = GET_UINT32 (cache->buffer, offset + 16 * mid + 8); + child_offset = GET_UINT32 (cache->buffer, offset + 16 * mid + 12); + i = 0; + while (n < n_mime_types && i < n_children) + { + match_char = GET_UINT32 (cache->buffer, child_offset + 16 * i); + mimetype_offset = GET_UINT32 (cache->buffer, offset + 16 * i + 4); + if (match_char != 0) + break; + + mime_types[n++] = cache->buffer + mimetype_offset; + i++; + } + + return n; + } + else + { + n_children = GET_UINT32 (cache->buffer, offset + 16 * mid + 8); + child_offset = GET_UINT32 (cache->buffer, offset + 16 * mid + 12); + + return cache_glob_node_lookup_suffix (cache, + n_children, child_offset, + suffix, ignore_case, + mime_types, + n_mime_types); + } + } + } + + return 0; +} + +static int +cache_glob_lookup_suffix (const char *suffix, + int ignore_case, + const char *mime_types[], + int n_mime_types) +{ + int i, n; + + for (i = 0; _caches[i]; i++) + { + XdgMimeCache *cache = _caches[i]; + + xdg_uint32_t list_offset = GET_UINT32 (cache->buffer, 16); + xdg_uint32_t n_entries = GET_UINT32 (cache->buffer, list_offset); + xdg_uint32_t offset = GET_UINT32 (cache->buffer, list_offset + 4); + + n = cache_glob_node_lookup_suffix (cache, + n_entries, offset, + suffix, ignore_case, + mime_types, + n_mime_types); + if (n > 0) + return n; + } + + return 0; +} + +static void +find_stopchars (char *stopchars) +{ + int i, j, k, l; + + k = 0; + for (i = 0; _caches[i]; i++) + { + XdgMimeCache *cache = _caches[i]; + + xdg_uint32_t list_offset = GET_UINT32 (cache->buffer, 16); + xdg_uint32_t n_entries = GET_UINT32 (cache->buffer, list_offset); + xdg_uint32_t offset = GET_UINT32 (cache->buffer, list_offset + 4); + + for (j = 0; j < n_entries; j++) + { + xdg_uint32_t match_char = GET_UINT32 (cache->buffer, offset); + + if (match_char < 128) + { + for (l = 0; l < k; l++) + if (stopchars[l] == match_char) + break; + if (l == k) + { + stopchars[k] = (char) match_char; + k++; + } + } + + offset += 16; + } + } + + stopchars[k] = '\0'; +} + +static int +cache_glob_lookup_file_name (const char *file_name, + const char *mime_types[], + int n_mime_types) +{ + const char *ptr; + char stopchars[128]; + int n; + + assert (file_name != NULL); + + /* First, check the literals */ + n = cache_glob_lookup_literal (file_name, mime_types, n_mime_types); + if (n > 0) + return n; + + find_stopchars (stopchars); + + /* Next, check suffixes */ + ptr = strpbrk (file_name, stopchars); + while (ptr) + { + n = cache_glob_lookup_suffix (ptr, FALSE, mime_types, n_mime_types); + if (n > 0) + return n; + + n = cache_glob_lookup_suffix (ptr, TRUE, mime_types, n_mime_types); + if (n > 0) + return n; + + ptr = strpbrk (ptr + 1, stopchars); + } + + /* Last, try fnmatch */ + return cache_glob_lookup_fnmatch (file_name, mime_types, n_mime_types); +} + +int +_xdg_mime_cache_get_max_buffer_extents (void) +{ + xdg_uint32_t offset; + xdg_uint32_t max_extent; + int i; + + max_extent = 0; + for (i = 0; _caches[i]; i++) + { + XdgMimeCache *cache = _caches[i]; + + offset = GET_UINT32 (cache->buffer, 24); + max_extent = MAX (max_extent, GET_UINT32 (cache->buffer, offset + 4)); + } + + return max_extent; +} + +static const char * +cache_get_mime_type_for_data (const void *data, + size_t len, + const char *mime_types[], + int n_mime_types) +{ + const char *mime_type; + int i, n, priority; + + priority = 0; + mime_type = NULL; + for (i = 0; _caches[i]; i++) + { + XdgMimeCache *cache = _caches[i]; + + int prio; + const char *match; + + match = cache_magic_lookup_data (cache, data, len, &prio, + mime_types, n_mime_types); + if (prio > priority) + { + priority = prio; + mime_type = match; + } + } + + if (priority > 0) + return mime_type; + + for (n = 0; n < n_mime_types; n++) + { + if (mime_types[n]) + return mime_types[n]; + } + + return XDG_MIME_TYPE_UNKNOWN; +} + +const char * +_xdg_mime_cache_get_mime_type_for_data (const void *data, + size_t len) +{ + return cache_get_mime_type_for_data (data, len, NULL, 0); +} + +const char * +_xdg_mime_cache_get_mime_type_for_file (const char *file_name, + struct stat *statbuf) +{ + const char *mime_type; + const char *mime_types[2]; + FILE *file; + unsigned char *data; + int max_extent; + int bytes_read; + struct stat buf; + const char *base_name; + int n; + + if (file_name == NULL) + return NULL; + + if (! _xdg_utf8_validate (file_name)) + return NULL; + + base_name = _xdg_get_base_name (file_name); + n = cache_glob_lookup_file_name (base_name, mime_types, 2); + + if (n == 1) + return mime_types[0]; + + if (!statbuf) + { + if (stat (file_name, &buf) != 0) + return XDG_MIME_TYPE_UNKNOWN; + + statbuf = &buf; + } + + if (!S_ISREG (statbuf->st_mode)) + return XDG_MIME_TYPE_UNKNOWN; + + /* FIXME: Need to make sure that max_extent isn't totally broken. This could + * be large and need getting from a stream instead of just reading it all + * in. */ + max_extent = _xdg_mime_cache_get_max_buffer_extents (); + data = malloc (max_extent); + if (data == NULL) + return XDG_MIME_TYPE_UNKNOWN; + + file = fopen (file_name, "r"); + if (file == NULL) + { + free (data); + return XDG_MIME_TYPE_UNKNOWN; + } + + bytes_read = fread (data, 1, max_extent, file); + if (ferror (file)) + { + free (data); + fclose (file); + return XDG_MIME_TYPE_UNKNOWN; + } + + mime_type = cache_get_mime_type_for_data (data, bytes_read, + mime_types, n); + + free (data); + fclose (file); + + return mime_type; +} + +const char * +_xdg_mime_cache_get_mime_type_from_file_name (const char *file_name) +{ + const char *mime_type; + + if (cache_glob_lookup_file_name (file_name, &mime_type, 1)) + return mime_type; + else + return XDG_MIME_TYPE_UNKNOWN; +} + +#if 1 +static int +is_super_type (const char *mime) +{ + int length; + const char *type; + + length = strlen (mime); + type = &(mime[length - 2]); + + if (strcmp (type, "/*") == 0) + return 1; + + return 0; +} +#endif + +int +_xdg_mime_cache_mime_type_subclass (const char *mime, + const char *base) +{ + const char *umime, *ubase; + + int i, j, min, max, med, cmp; + + umime = _xdg_mime_cache_unalias_mime_type (mime); + ubase = _xdg_mime_cache_unalias_mime_type (base); + + if (strcmp (umime, ubase) == 0) + return 1; + + /* We really want to handle text/ * in GtkFileFilter, so we just + * turn on the supertype matching + */ +#if 1 + /* Handle supertypes */ + if (is_super_type (ubase) && + xdg_mime_media_type_equal (umime, ubase)) + return 1; +#endif + + /* Handle special cases text/plain and application/octet-stream */ + if (strcmp (ubase, "text/plain") == 0 && + strncmp (umime, "text/", 5) == 0) + return 1; + + if (strcmp (ubase, "application/octet-stream") == 0) + return 1; + + for (i = 0; _caches[i]; i++) + { + XdgMimeCache *cache = _caches[i]; + + xdg_uint32_t list_offset = GET_UINT32 (cache->buffer, 8); + xdg_uint32_t n_entries = GET_UINT32 (cache->buffer, list_offset); + xdg_uint32_t offset, n_parents, parent_offset; + + min = 0; + max = n_entries - 1; + while (max >= min) + { + med = (min + max)/2; + + offset = GET_UINT32 (cache->buffer, list_offset + 4 + 8 * med); + cmp = strcmp (cache->buffer + offset, umime); + if (cmp < 0) + min = med + 1; + else if (cmp > 0) + max = med - 1; + else + { + offset = GET_UINT32 (cache->buffer, list_offset + 4 + 8 * med + 4); + n_parents = GET_UINT32 (cache->buffer, offset); + + for (j = 0; j < n_parents; j++) + { + parent_offset = GET_UINT32 (cache->buffer, offset + 4 + 4 * j); + if (_xdg_mime_cache_mime_type_subclass (cache->buffer + parent_offset, ubase)) + return 1; + } + + break; + } + } + } + + return 0; +} + +const char * +_xdg_mime_cache_unalias_mime_type (const char *mime) +{ + const char *lookup; + + lookup = cache_alias_lookup (mime); + + if (lookup) + return lookup; + + return mime; +} + +char ** +_xdg_mime_cache_list_mime_parents (const char *mime) +{ + int i, j, k, p; + char *all_parents[128]; /* we'll stop at 128 */ + char **result; + + mime = xdg_mime_unalias_mime_type (mime); + + p = 0; + for (i = 0; _caches[i]; i++) + { + XdgMimeCache *cache = _caches[i]; + + xdg_uint32_t list_offset = GET_UINT32 (cache->buffer, 8); + xdg_uint32_t n_entries = GET_UINT32 (cache->buffer, list_offset); + + for (j = 0; j < n_entries; j++) + { + xdg_uint32_t mimetype_offset = GET_UINT32 (cache->buffer, list_offset + 4 + 8 * j); + xdg_uint32_t parents_offset = GET_UINT32 (cache->buffer, list_offset + 4 + 8 * j + 4); + + if (strcmp (cache->buffer + mimetype_offset, mime) == 0) + { + xdg_uint32_t parent_mime_offset; + xdg_uint32_t n_parents = GET_UINT32 (cache->buffer, parents_offset); + + for (k = 0; k < n_parents && p < 127; k++) + { + parent_mime_offset = GET_UINT32 (cache->buffer, parents_offset + 4 + 4 * k); + all_parents[p++] = cache->buffer + parent_mime_offset; + } + + break; + } + } + } + all_parents[p++] = 0; + + result = (char **) malloc (p * sizeof (char *)); + memcpy (result, all_parents, p * sizeof (char *)); + + return result; +} + diff --git a/lib/xdgmime/xdgmimecache.h b/lib/xdgmime/xdgmimecache.h new file mode 100644 index 0000000..61793cb --- /dev/null +++ b/lib/xdgmime/xdgmimecache.h @@ -0,0 +1,63 @@ +/* -*- mode: C; c-file-style: "gnu" -*- */ +/* xdgmimecache.h: Private file. Datastructure for mmapped caches. + * + * More info can be found at http://www.freedesktop.org/standards/ + * + * Copyright (C) 2005 Matthias Clasen <mclasen@redhat.com> + * + * Licensed under the Academic Free License version 2.0 + * Or under the following terms: + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __XDG_MIME_CACHE_H__ +#define __XDG_MIME_CACHE_H__ + +#include "xdgmime.h" + +typedef struct _XdgMimeCache XdgMimeCache; + +#ifdef XDG_PREFIX +#define _xdg_mime_cache_new_from_file XDG_ENTRY(cache_new_from_file) +#define _xdg_mime_cache_ref XDG_ENTRY(cache_ref) +#define _xdg_mime_cache_unref XDG_ENTRY(cache_unref) +#endif + +extern XdgMimeCache **_caches; + +XdgMimeCache *_xdg_mime_cache_new_from_file (const char *file_name); +XdgMimeCache *_xdg_mime_cache_ref (XdgMimeCache *cache); +void _xdg_mime_cache_unref (XdgMimeCache *cache); + + +const char *_xdg_mime_cache_get_mime_type_for_data (const void *data, + size_t len); +const char *_xdg_mime_cache_get_mime_type_for_file (const char *file_name, + struct stat *statbuf); +const char *_xdg_mime_cache_get_mime_type_from_file_name (const char *file_name); +int _xdg_mime_cache_is_valid_mime_type (const char *mime_type); +int _xdg_mime_cache_mime_type_equal (const char *mime_a, + const char *mime_b); +int _xdg_mime_cache_media_type_equal (const char *mime_a, + const char *mime_b); +int _xdg_mime_cache_mime_type_subclass (const char *mime_a, + const char *mime_b); +char **_xdg_mime_cache_list_mime_parents (const char *mime); +const char *_xdg_mime_cache_unalias_mime_type (const char *mime); +int _xdg_mime_cache_get_max_buffer_extents (void); + +#endif /* __XDG_MIME_CACHE_H__ */ diff --git a/lib/xdgmime/xdgmimeglob.c b/lib/xdgmime/xdgmimeglob.c new file mode 100644 index 0000000..95d9587 --- /dev/null +++ b/lib/xdgmime/xdgmimeglob.c @@ -0,0 +1,547 @@ +/* -*- mode: C; c-file-style: "gnu" -*- */ +/* xdgmimeglob.c: Private file. Datastructure for storing the globs. + * + * More info can be found at http://www.freedesktop.org/standards/ + * + * Copyright (C) 2003 Red Hat, Inc. + * Copyright (C) 2003 Jonathan Blandford <jrb@alum.mit.edu> + * + * Licensed under the Academic Free License version 2.0 + * Or under the following terms: + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "xdgmimeglob.h" +#include "xdgmimeint.h" +#include <stdlib.h> +#include <stdio.h> +#include <assert.h> +#include <string.h> +#include <fnmatch.h> + +#ifndef FALSE +#define FALSE (0) +#endif + +#ifndef TRUE +#define TRUE (!FALSE) +#endif + +typedef struct XdgGlobHashNode XdgGlobHashNode; +typedef struct XdgGlobList XdgGlobList; + +struct XdgGlobHashNode +{ + xdg_unichar_t character; + const char *mime_type; + XdgGlobHashNode *next; + XdgGlobHashNode *child; +}; +struct XdgGlobList +{ + const char *data; + const char *mime_type; + XdgGlobList *next; +}; + +struct XdgGlobHash +{ + XdgGlobList *literal_list; + XdgGlobHashNode *simple_node; + XdgGlobList *full_list; +}; + + +/* XdgGlobList + */ +static XdgGlobList * +_xdg_glob_list_new (void) +{ + XdgGlobList *new_element; + + new_element = calloc (1, sizeof (XdgGlobList)); + + return new_element; +} + +/* Frees glob_list and all of it's children */ +static void +_xdg_glob_list_free (XdgGlobList *glob_list) +{ + XdgGlobList *ptr, *next; + + ptr = glob_list; + + while (ptr != NULL) + { + next = ptr->next; + + if (ptr->data) + free ((void *) ptr->data); + if (ptr->mime_type) + free ((void *) ptr->mime_type); + free (ptr); + + ptr = next; + } +} + +static XdgGlobList * +_xdg_glob_list_append (XdgGlobList *glob_list, + void *data, + const char *mime_type) +{ + XdgGlobList *new_element; + XdgGlobList *tmp_element; + + new_element = _xdg_glob_list_new (); + new_element->data = data; + new_element->mime_type = mime_type; + if (glob_list == NULL) + return new_element; + + tmp_element = glob_list; + while (tmp_element->next != NULL) + tmp_element = tmp_element->next; + + tmp_element->next = new_element; + + return glob_list; +} + +#if 0 +static XdgGlobList * +_xdg_glob_list_prepend (XdgGlobList *glob_list, + void *data, + const char *mime_type) +{ + XdgGlobList *new_element; + + new_element = _xdg_glob_list_new (); + new_element->data = data; + new_element->next = glob_list; + new_element->mime_type = mime_type; + + return new_element; +} +#endif + +/* XdgGlobHashNode + */ + +static XdgGlobHashNode * +_xdg_glob_hash_node_new (void) +{ + XdgGlobHashNode *glob_hash_node; + + glob_hash_node = calloc (1, sizeof (XdgGlobHashNode)); + + return glob_hash_node; +} + +static void +_xdg_glob_hash_node_dump (XdgGlobHashNode *glob_hash_node, + int depth) +{ + int i; + for (i = 0; i < depth; i++) + printf (" "); + + printf ("%c", (char)glob_hash_node->character); + if (glob_hash_node->mime_type) + printf (" - %s\n", glob_hash_node->mime_type); + else + printf ("\n"); + if (glob_hash_node->child) + _xdg_glob_hash_node_dump (glob_hash_node->child, depth + 1); + if (glob_hash_node->next) + _xdg_glob_hash_node_dump (glob_hash_node->next, depth); +} + +static XdgGlobHashNode * +_xdg_glob_hash_insert_text (XdgGlobHashNode *glob_hash_node, + const char *text, + const char *mime_type) +{ + XdgGlobHashNode *node; + xdg_unichar_t character; + + character = _xdg_utf8_to_ucs4 (text); + + if ((glob_hash_node == NULL) || + (character < glob_hash_node->character)) + { + node = _xdg_glob_hash_node_new (); + node->character = character; + node->next = glob_hash_node; + glob_hash_node = node; + } + else if (character == glob_hash_node->character) + { + node = glob_hash_node; + } + else + { + XdgGlobHashNode *prev_node; + int found_node = FALSE; + + /* Look for the first character of text in glob_hash_node, and insert it if we + * have to.*/ + prev_node = glob_hash_node; + node = prev_node->next; + + while (node != NULL) + { + if (character < node->character) + { + node = _xdg_glob_hash_node_new (); + node->character = character; + node->next = prev_node->next; + prev_node->next = node; + + found_node = TRUE; + break; + } + else if (character == node->character) + { + found_node = TRUE; + break; + } + prev_node = node; + node = node->next; + } + + if (! found_node) + { + node = _xdg_glob_hash_node_new (); + node->character = character; + node->next = prev_node->next; + prev_node->next = node; + } + } + + text = _xdg_utf8_next_char (text); + if (*text == '\000') + { + if (node->mime_type) + { + if (strcmp (node->mime_type, mime_type)) + { + XdgGlobHashNode *child; + int found_node = FALSE; + + child = node->child; + while (child && child->character == '\0') + { + if (strcmp (child->mime_type, mime_type) == 0) + { + found_node = TRUE; + break; + } + child = child->next; + } + + if (!found_node) + { + child = _xdg_glob_hash_node_new (); + child->character = '\000'; + child->mime_type = mime_type; + child->child = NULL; + child->next = node->child; + node->child = child; + } + } + } + else + { + node->mime_type = mime_type; + } + } + else + { + node->child = _xdg_glob_hash_insert_text (node->child, text, mime_type); + } + return glob_hash_node; +} + +static int +_xdg_glob_hash_node_lookup_file_name (XdgGlobHashNode *glob_hash_node, + const char *file_name, + int ignore_case, + const char *mime_types[], + int n_mime_types) +{ + int n; + XdgGlobHashNode *node; + xdg_unichar_t character; + + if (glob_hash_node == NULL) + return 0; + + character = _xdg_utf8_to_ucs4 (file_name); + if (ignore_case) + character = _xdg_ucs4_to_lower(character); + + for (node = glob_hash_node; node && character >= node->character; node = node->next) + { + if (character == node->character) + { + file_name = _xdg_utf8_next_char (file_name); + if (*file_name == '\000') + { + n = 0; + if (node->mime_type) + mime_types[n++] = node->mime_type; + node = node->child; + while (n < n_mime_types && node && node->character == 0) + { + if (node->mime_type) + mime_types[n++] = node->mime_type; + node = node->next; + } + } + else + { + n = _xdg_glob_hash_node_lookup_file_name (node->child, + file_name, + ignore_case, + mime_types, + n_mime_types); + } + return n; + } + } + + return 0; +} + +int +_xdg_glob_hash_lookup_file_name (XdgGlobHash *glob_hash, + const char *file_name, + const char *mime_types[], + int n_mime_types) +{ + XdgGlobList *list; + const char *ptr; + char stopchars[128]; + int i, n; + XdgGlobHashNode *node; + + /* First, check the literals */ + + assert (file_name != NULL && n_mime_types > 0); + + for (list = glob_hash->literal_list; list; list = list->next) + { + if (strcmp ((const char *)list->data, file_name) == 0) + { + mime_types[0] = list->mime_type; + return 1; + } + } + + i = 0; + for (node = glob_hash->simple_node; node; node = node->next) + { + if (node->character < 128) + stopchars[i++] = (char)node->character; + } + stopchars[i] = '\0'; + + ptr = strpbrk (file_name, stopchars); + while (ptr) + { + n = _xdg_glob_hash_node_lookup_file_name (glob_hash->simple_node, ptr, FALSE, + mime_types, n_mime_types); + if (n > 0) + return n; + + n = _xdg_glob_hash_node_lookup_file_name (glob_hash->simple_node, ptr, TRUE, + mime_types, n_mime_types); + if (n > 0) + return n; + + ptr = strpbrk (ptr + 1, stopchars); + } + + /* FIXME: Not UTF-8 safe */ + n = 0; + for (list = glob_hash->full_list; list && n < n_mime_types; list = list->next) + { + if (fnmatch ((const char *)list->data, file_name, 0) == 0) + mime_types[n++] = list->mime_type; + } + + return n; +} + + + +/* XdgGlobHash + */ + +XdgGlobHash * +_xdg_glob_hash_new (void) +{ + XdgGlobHash *glob_hash; + + glob_hash = calloc (1, sizeof (XdgGlobHash)); + + return glob_hash; +} + + +static void +_xdg_glob_hash_free_nodes (XdgGlobHashNode *node) +{ + if (node) + { + if (node->child) + _xdg_glob_hash_free_nodes (node->child); + if (node->next) + _xdg_glob_hash_free_nodes (node->next); + if (node->mime_type) + free ((void *) node->mime_type); + free (node); + } +} + +void +_xdg_glob_hash_free (XdgGlobHash *glob_hash) +{ + _xdg_glob_list_free (glob_hash->literal_list); + _xdg_glob_list_free (glob_hash->full_list); + _xdg_glob_hash_free_nodes (glob_hash->simple_node); + free (glob_hash); +} + +XdgGlobType +_xdg_glob_determine_type (const char *glob) +{ + const char *ptr; + int maybe_in_simple_glob = FALSE; + int first_char = TRUE; + + ptr = glob; + + while (*ptr != '\000') + { + if (*ptr == '*' && first_char) + maybe_in_simple_glob = TRUE; + else if (*ptr == '\\' || *ptr == '[' || *ptr == '?' || *ptr == '*') + return XDG_GLOB_FULL; + + first_char = FALSE; + ptr = _xdg_utf8_next_char (ptr); + } + if (maybe_in_simple_glob) + return XDG_GLOB_SIMPLE; + else + return XDG_GLOB_LITERAL; +} + +/* glob must be valid UTF-8 */ +void +_xdg_glob_hash_append_glob (XdgGlobHash *glob_hash, + const char *glob, + const char *mime_type) +{ + XdgGlobType type; + + assert (glob_hash != NULL); + assert (glob != NULL); + + type = _xdg_glob_determine_type (glob); + + switch (type) + { + case XDG_GLOB_LITERAL: + glob_hash->literal_list = _xdg_glob_list_append (glob_hash->literal_list, strdup (glob), strdup (mime_type)); + break; + case XDG_GLOB_SIMPLE: + glob_hash->simple_node = _xdg_glob_hash_insert_text (glob_hash->simple_node, glob + 1, strdup (mime_type)); + break; + case XDG_GLOB_FULL: + glob_hash->full_list = _xdg_glob_list_append (glob_hash->full_list, strdup (glob), strdup (mime_type)); + break; + } +} + +void +_xdg_glob_hash_dump (XdgGlobHash *glob_hash) +{ + XdgGlobList *list; + printf ("LITERAL STRINGS\n"); + if (glob_hash->literal_list == NULL) + { + printf (" None\n"); + } + else + { + for (list = glob_hash->literal_list; list; list = list->next) + printf (" %s - %s\n", (char *)list->data, list->mime_type); + } + printf ("\nSIMPLE GLOBS\n"); + _xdg_glob_hash_node_dump (glob_hash->simple_node, 4); + + printf ("\nFULL GLOBS\n"); + if (glob_hash->full_list == NULL) + { + printf (" None\n"); + } + else + { + for (list = glob_hash->full_list; list; list = list->next) + printf (" %s - %s\n", (char *)list->data, list->mime_type); + } +} + + +void +_xdg_mime_glob_read_from_file (XdgGlobHash *glob_hash, + const char *file_name) +{ + FILE *glob_file; + char line[255]; + + glob_file = fopen (file_name, "r"); + + if (glob_file == NULL) + return; + + /* FIXME: Not UTF-8 safe. Doesn't work if lines are greater than 255 chars. + * Blah */ + while (fgets (line, 255, glob_file) != NULL) + { + char *colon; + if (line[0] == '#') + continue; + + colon = strchr (line, ':'); + if (colon == NULL) + continue; + *(colon++) = '\000'; + colon[strlen (colon) -1] = '\000'; + _xdg_glob_hash_append_glob (glob_hash, colon, line); + } + + fclose (glob_file); +} diff --git a/lib/xdgmime/xdgmimeglob.h b/lib/xdgmime/xdgmimeglob.h new file mode 100644 index 0000000..25a1f20 --- /dev/null +++ b/lib/xdgmime/xdgmimeglob.h @@ -0,0 +1,67 @@ +/* -*- mode: C; c-file-style: "gnu" -*- */ +/* xdgmimeglob.h: Private file. Datastructure for storing the globs. + * + * More info can be found at http://www.freedesktop.org/standards/ + * + * Copyright (C) 2003 Red Hat, Inc. + * Copyright (C) 2003 Jonathan Blandford <jrb@alum.mit.edu> + * + * Licensed under the Academic Free License version 2.0 + * Or under the following terms: + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __XDG_MIME_GLOB_H__ +#define __XDG_MIME_GLOB_H__ + +#include "xdgmime.h" + +typedef struct XdgGlobHash XdgGlobHash; + +typedef enum +{ + XDG_GLOB_LITERAL, /* Makefile */ + XDG_GLOB_SIMPLE, /* *.gif */ + XDG_GLOB_FULL /* x*.[ch] */ +} XdgGlobType; + + +#ifdef XDG_PREFIX +#define _xdg_mime_glob_read_from_file XDG_ENTRY(glob_read_from_file) +#define _xdg_glob_hash_new XDG_ENTRY(hash_new) +#define _xdg_glob_hash_free XDG_ENTRY(hash_free) +#define _xdg_glob_hash_lookup_file_name XDG_ENTRY(hash_lookup_file_name) +#define _xdg_glob_hash_append_glob XDG_ENTRY(hash_append_glob) +#define _xdg_glob_determine_type XDG_ENTRY(determine_type) +#define _xdg_glob_hash_dump XDG_ENTRY(hash_dump) +#endif + +void _xdg_mime_glob_read_from_file (XdgGlobHash *glob_hash, + const char *file_name); +XdgGlobHash *_xdg_glob_hash_new (void); +void _xdg_glob_hash_free (XdgGlobHash *glob_hash); +int _xdg_glob_hash_lookup_file_name (XdgGlobHash *glob_hash, + const char *text, + const char *mime_types[], + int n_mime_types); +void _xdg_glob_hash_append_glob (XdgGlobHash *glob_hash, + const char *glob, + const char *mime_type); +XdgGlobType _xdg_glob_determine_type (const char *glob); +void _xdg_glob_hash_dump (XdgGlobHash *glob_hash); + +#endif /* __XDG_MIME_GLOB_H__ */ diff --git a/lib/xdgmime/xdgmimeint.c b/lib/xdgmime/xdgmimeint.c new file mode 100644 index 0000000..4a0ac4c --- /dev/null +++ b/lib/xdgmime/xdgmimeint.c @@ -0,0 +1,154 @@ +/* -*- mode: C; c-file-style: "gnu" -*- */ +/* xdgmimeint.c: Internal defines and functions. + * + * More info can be found at http://www.freedesktop.org/standards/ + * + * Copyright (C) 2003 Red Hat, Inc. + * Copyright (C) 2003 Jonathan Blandford <jrb@alum.mit.edu> + * + * Licensed under the Academic Free License version 2.0 + * Or under the following terms: + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "xdgmimeint.h" +#include <ctype.h> +#include <string.h> + +#ifndef FALSE +#define FALSE (0) +#endif + +#ifndef TRUE +#define TRUE (!FALSE) +#endif + +static const char _xdg_utf8_skip_data[256] = { + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, + 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, + 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, + 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,6,6,1,1 +}; + +const char * const _xdg_utf8_skip = _xdg_utf8_skip_data; + + + +/* Returns the number of unprocessed characters. */ +xdg_unichar_t +_xdg_utf8_to_ucs4(const char *source) +{ + xdg_unichar_t ucs32; + if( ! ( *source & 0x80 ) ) + { + ucs32 = *source; + } + else + { + int bytelength = 0; + xdg_unichar_t result; + if ( ! (*source & 0x40) ) + { + ucs32 = *source; + } + else + { + if ( ! (*source & 0x20) ) + { + result = *source++ & 0x1F; + bytelength = 2; + } + else if ( ! (*source & 0x10) ) + { + result = *source++ & 0x0F; + bytelength = 3; + } + else if ( ! (*source & 0x08) ) + { + result = *source++ & 0x07; + bytelength = 4; + } + else if ( ! (*source & 0x04) ) + { + result = *source++ & 0x03; + bytelength = 5; + } + else if ( ! (*source & 0x02) ) + { + result = *source++ & 0x01; + bytelength = 6; + } + else + { + result = *source++; + bytelength = 1; + } + + for ( bytelength --; bytelength > 0; bytelength -- ) + { + result <<= 6; + result |= *source++ & 0x3F; + } + ucs32 = result; + } + } + return ucs32; +} + + +/* hullo. this is great code. don't rewrite it */ + +xdg_unichar_t +_xdg_ucs4_to_lower (xdg_unichar_t source) +{ + /* FIXME: Do a real to_upper sometime */ + /* CaseFolding-3.2.0.txt has a table of rules. */ + if ((source & 0xFF) == source) + return (xdg_unichar_t) tolower ((unsigned char) source); + return source; +} + +int +_xdg_utf8_validate (const char *source) +{ + /* FIXME: actually write */ + return TRUE; +} + +const char * +_xdg_get_base_name (const char *file_name) +{ + const char *base_name; + + if (file_name == NULL) + return NULL; + + base_name = strrchr (file_name, '/'); + + if (base_name == NULL) + return file_name; + else + return base_name + 1; +} diff --git a/lib/xdgmime/xdgmimeint.h b/lib/xdgmime/xdgmimeint.h new file mode 100644 index 0000000..2881487 --- /dev/null +++ b/lib/xdgmime/xdgmimeint.h @@ -0,0 +1,73 @@ +/* -*- mode: C; c-file-style: "gnu" -*- */ +/* xdgmimeint.h: Internal defines and functions. + * + * More info can be found at http://www.freedesktop.org/standards/ + * + * Copyright (C) 2003 Red Hat, Inc. + * Copyright (C) 2003 Jonathan Blandford <jrb@alum.mit.edu> + * + * Licensed under the Academic Free License version 2.0 + * Or under the following terms: + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __XDG_MIME_INT_H__ +#define __XDG_MIME_INT_H__ + +#include "xdgmime.h" + + +#ifndef FALSE +#define FALSE (0) +#endif + +#ifndef TRUE +#define TRUE (!FALSE) +#endif + +/* FIXME: Needs to be configure check */ +typedef unsigned int xdg_unichar_t; +typedef unsigned char xdg_uchar8_t; +typedef unsigned short xdg_uint16_t; +typedef unsigned int xdg_uint32_t; + +#ifdef XDG_PREFIX +#define _xdg_utf8_skip XDG_ENTRY(utf8_skip) +#define _xdg_utf8_to_ucs4 XDG_ENTRY(utf8_to_ucs4) +#define _xdg_ucs4_to_lower XDG_ENTRY(ucs4_to_lower) +#define _xdg_utf8_validate XDG_ENTRY(utf8_validate) +#define _xdg_get_base_name XDG_ENTRY(get_ase_name) +#endif + +#define SWAP_BE16_TO_LE16(val) (xdg_uint16_t)(((xdg_uint16_t)(val) << 8)|((xdg_uint16_t)(val) >> 8)) + +#define SWAP_BE32_TO_LE32(val) (xdg_uint32_t)((((xdg_uint32_t)(val) & 0xFF000000U) >> 24) | \ + (((xdg_uint32_t)(val) & 0x00FF0000U) >> 8) | \ + (((xdg_uint32_t)(val) & 0x0000FF00U) << 8) | \ + (((xdg_uint32_t)(val) & 0x000000FFU) << 24)) +/* UTF-8 utils + */ +extern const char *const _xdg_utf8_skip; +#define _xdg_utf8_next_char(p) (char *)((p) + _xdg_utf8_skip[*(unsigned char *)(p)]) +#define _xdg_utf8_char_size(p) (int) (_xdg_utf8_skip[*(unsigned char *)(p)]) + +xdg_unichar_t _xdg_utf8_to_ucs4 (const char *source); +xdg_unichar_t _xdg_ucs4_to_lower (xdg_unichar_t source); +int _xdg_utf8_validate (const char *source); +const char *_xdg_get_base_name (const char *file_name); + +#endif /* __XDG_MIME_INT_H__ */ diff --git a/lib/xdgmime/xdgmimemagic.c b/lib/xdgmime/xdgmimemagic.c new file mode 100644 index 0000000..6088edb --- /dev/null +++ b/lib/xdgmime/xdgmimemagic.c @@ -0,0 +1,807 @@ +/* -*- mode: C; c-file-style: "gnu" -*- */ +/* xdgmimemagic.: Private file. Datastructure for storing magic files. + * + * More info can be found at http://www.freedesktop.org/standards/ + * + * Copyright (C) 2003 Red Hat, Inc. + * Copyright (C) 2003 Jonathan Blandford <jrb@alum.mit.edu> + * + * Licensed under the Academic Free License version 2.0 + * Or under the following terms: + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <assert.h> +#include "xdgmimemagic.h" +#include "xdgmimeint.h" +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> +#include <errno.h> +#include <limits.h> + +#ifndef FALSE +#define FALSE (0) +#endif + +#ifndef TRUE +#define TRUE (!FALSE) +#endif + +#if !defined getc_unlocked && !defined HAVE_GETC_UNLOCKED +# define getc_unlocked(fp) getc (fp) +#endif + +typedef struct XdgMimeMagicMatch XdgMimeMagicMatch; +typedef struct XdgMimeMagicMatchlet XdgMimeMagicMatchlet; + +typedef enum +{ + XDG_MIME_MAGIC_SECTION, + XDG_MIME_MAGIC_MAGIC, + XDG_MIME_MAGIC_ERROR, + XDG_MIME_MAGIC_EOF +} XdgMimeMagicState; + +struct XdgMimeMagicMatch +{ + const char *mime_type; + int priority; + XdgMimeMagicMatchlet *matchlet; + XdgMimeMagicMatch *next; +}; + + +struct XdgMimeMagicMatchlet +{ + int indent; + int offset; + unsigned int value_length; + unsigned char *value; + unsigned char *mask; + unsigned int range_length; + unsigned int word_size; + XdgMimeMagicMatchlet *next; +}; + + +struct XdgMimeMagic +{ + XdgMimeMagicMatch *match_list; + int max_extent; +}; + +static XdgMimeMagicMatch * +_xdg_mime_magic_match_new (void) +{ + return calloc (1, sizeof (XdgMimeMagicMatch)); +} + + +static XdgMimeMagicMatchlet * +_xdg_mime_magic_matchlet_new (void) +{ + XdgMimeMagicMatchlet *matchlet; + + matchlet = malloc (sizeof (XdgMimeMagicMatchlet)); + + matchlet->indent = 0; + matchlet->offset = 0; + matchlet->value_length = 0; + matchlet->value = NULL; + matchlet->mask = NULL; + matchlet->range_length = 1; + matchlet->word_size = 1; + matchlet->next = NULL; + + return matchlet; +} + + +static void +_xdg_mime_magic_matchlet_free (XdgMimeMagicMatchlet *mime_magic_matchlet) +{ + if (mime_magic_matchlet) + { + if (mime_magic_matchlet->next) + _xdg_mime_magic_matchlet_free (mime_magic_matchlet->next); + if (mime_magic_matchlet->value) + free (mime_magic_matchlet->value); + if (mime_magic_matchlet->mask) + free (mime_magic_matchlet->mask); + free (mime_magic_matchlet); + } +} + + +/* Frees mime_magic_match and the remainder of its list + */ +static void +_xdg_mime_magic_match_free (XdgMimeMagicMatch *mime_magic_match) +{ + XdgMimeMagicMatch *ptr, *next; + + ptr = mime_magic_match; + while (ptr) + { + next = ptr->next; + + if (ptr->mime_type) + free ((void *) ptr->mime_type); + if (ptr->matchlet) + _xdg_mime_magic_matchlet_free (ptr->matchlet); + free (ptr); + + ptr = next; + } +} + +/* Reads in a hunk of data until a newline character or a '\000' is hit. The + * returned string is null terminated, and doesn't include the newline. + */ +static unsigned char * +_xdg_mime_magic_read_to_newline (FILE *magic_file, + int *end_of_file) +{ + unsigned char *retval; + int c; + int len, pos; + + len = 128; + pos = 0; + retval = malloc (len); + *end_of_file = FALSE; + + while (TRUE) + { + c = getc_unlocked (magic_file); + if (c == EOF) + { + *end_of_file = TRUE; + break; + } + if (c == '\n' || c == '\000') + break; + retval[pos++] = (unsigned char) c; + if (pos % 128 == 127) + { + len = len + 128; + retval = realloc (retval, len); + } + } + + retval[pos] = '\000'; + return retval; +} + +/* Returns the number read from the file, or -1 if no number could be read. + */ +static int +_xdg_mime_magic_read_a_number (FILE *magic_file, + int *end_of_file) +{ + /* LONG_MAX is about 20 characters on my system */ +#define MAX_NUMBER_SIZE 30 + char number_string[MAX_NUMBER_SIZE + 1]; + int pos = 0; + int c; + long retval = -1; + + while (TRUE) + { + c = getc_unlocked (magic_file); + + if (c == EOF) + { + *end_of_file = TRUE; + break; + } + if (! isdigit (c)) + { + ungetc (c, magic_file); + break; + } + number_string[pos] = (char) c; + pos++; + if (pos == MAX_NUMBER_SIZE) + break; + } + if (pos > 0) + { + number_string[pos] = '\000'; + errno = 0; + retval = strtol (number_string, NULL, 10); + + if ((retval < INT_MIN) || (retval > INT_MAX) || (errno != 0)) + return -1; + } + + return retval; +} + +/* Headers are of the format: + * [<priority>:<mime-type>] + */ +static XdgMimeMagicState +_xdg_mime_magic_parse_header (FILE *magic_file, XdgMimeMagicMatch *match) +{ + int c; + char *buffer; + char *end_ptr; + int end_of_file = 0; + + assert (magic_file != NULL); + assert (match != NULL); + + c = getc_unlocked (magic_file); + if (c == EOF) + return XDG_MIME_MAGIC_EOF; + if (c != '[') + return XDG_MIME_MAGIC_ERROR; + + match->priority = _xdg_mime_magic_read_a_number (magic_file, &end_of_file); + if (end_of_file) + return XDG_MIME_MAGIC_EOF; + if (match->priority == -1) + return XDG_MIME_MAGIC_ERROR; + + c = getc_unlocked (magic_file); + if (c == EOF) + return XDG_MIME_MAGIC_EOF; + if (c != ':') + return XDG_MIME_MAGIC_ERROR; + + buffer = (char *)_xdg_mime_magic_read_to_newline (magic_file, &end_of_file); + if (end_of_file) + return XDG_MIME_MAGIC_EOF; + + end_ptr = buffer; + while (*end_ptr != ']' && *end_ptr != '\000' && *end_ptr != '\n') + end_ptr++; + if (*end_ptr != ']') + { + free (buffer); + return XDG_MIME_MAGIC_ERROR; + } + *end_ptr = '\000'; + + match->mime_type = strdup (buffer); + free (buffer); + + return XDG_MIME_MAGIC_MAGIC; +} + +static XdgMimeMagicState +_xdg_mime_magic_parse_error (FILE *magic_file) +{ + int c; + + while (1) + { + c = getc_unlocked (magic_file); + if (c == EOF) + return XDG_MIME_MAGIC_EOF; + if (c == '\n') + return XDG_MIME_MAGIC_SECTION; + } +} + +/* Headers are of the format: + * [ indent ] ">" start-offset "=" value + * [ "&" mask ] [ "~" word-size ] [ "+" range-length ] "\n" + */ +static XdgMimeMagicState +_xdg_mime_magic_parse_magic_line (FILE *magic_file, + XdgMimeMagicMatch *match) +{ + XdgMimeMagicMatchlet *matchlet; + int c; + int end_of_file; + int indent = 0; + int bytes_read; + + assert (magic_file != NULL); + + /* Sniff the buffer to make sure it's a valid line */ + c = getc_unlocked (magic_file); + if (c == EOF) + return XDG_MIME_MAGIC_EOF; + else if (c == '[') + { + ungetc (c, magic_file); + return XDG_MIME_MAGIC_SECTION; + } + else if (c == '\n') + return XDG_MIME_MAGIC_MAGIC; + + /* At this point, it must be a digit or a '>' */ + end_of_file = FALSE; + if (isdigit (c)) + { + ungetc (c, magic_file); + indent = _xdg_mime_magic_read_a_number (magic_file, &end_of_file); + if (end_of_file) + return XDG_MIME_MAGIC_EOF; + if (indent == -1) + return XDG_MIME_MAGIC_ERROR; + c = getc_unlocked (magic_file); + if (c == EOF) + return XDG_MIME_MAGIC_EOF; + } + + if (c != '>') + return XDG_MIME_MAGIC_ERROR; + + matchlet = _xdg_mime_magic_matchlet_new (); + matchlet->indent = indent; + matchlet->offset = _xdg_mime_magic_read_a_number (magic_file, &end_of_file); + if (end_of_file) + { + _xdg_mime_magic_matchlet_free (matchlet); + return XDG_MIME_MAGIC_EOF; + } + if (matchlet->offset == -1) + { + _xdg_mime_magic_matchlet_free (matchlet); + return XDG_MIME_MAGIC_ERROR; + } + c = getc_unlocked (magic_file); + if (c == EOF) + { + _xdg_mime_magic_matchlet_free (matchlet); + return XDG_MIME_MAGIC_EOF; + } + else if (c != '=') + { + _xdg_mime_magic_matchlet_free (matchlet); + return XDG_MIME_MAGIC_ERROR; + } + + /* Next two bytes determine how long the value is */ + matchlet->value_length = 0; + c = getc_unlocked (magic_file); + if (c == EOF) + { + _xdg_mime_magic_matchlet_free (matchlet); + return XDG_MIME_MAGIC_EOF; + } + matchlet->value_length = c & 0xFF; + matchlet->value_length = matchlet->value_length << 8; + + c = getc_unlocked (magic_file); + if (c == EOF) + { + _xdg_mime_magic_matchlet_free (matchlet); + return XDG_MIME_MAGIC_EOF; + } + matchlet->value_length = matchlet->value_length + (c & 0xFF); + + matchlet->value = malloc (matchlet->value_length); + + /* OOM */ + if (matchlet->value == NULL) + { + _xdg_mime_magic_matchlet_free (matchlet); + return XDG_MIME_MAGIC_ERROR; + } + bytes_read = fread (matchlet->value, 1, matchlet->value_length, magic_file); + if (bytes_read != matchlet->value_length) + { + _xdg_mime_magic_matchlet_free (matchlet); + if (feof (magic_file)) + return XDG_MIME_MAGIC_EOF; + else + return XDG_MIME_MAGIC_ERROR; + } + + c = getc_unlocked (magic_file); + if (c == '&') + { + matchlet->mask = malloc (matchlet->value_length); + /* OOM */ + if (matchlet->mask == NULL) + { + _xdg_mime_magic_matchlet_free (matchlet); + return XDG_MIME_MAGIC_ERROR; + } + bytes_read = fread (matchlet->mask, 1, matchlet->value_length, magic_file); + if (bytes_read != matchlet->value_length) + { + _xdg_mime_magic_matchlet_free (matchlet); + if (feof (magic_file)) + return XDG_MIME_MAGIC_EOF; + else + return XDG_MIME_MAGIC_ERROR; + } + c = getc_unlocked (magic_file); + } + + if (c == '~') + { + matchlet->word_size = _xdg_mime_magic_read_a_number (magic_file, &end_of_file); + if (end_of_file) + { + _xdg_mime_magic_matchlet_free (matchlet); + return XDG_MIME_MAGIC_EOF; + } + if (matchlet->word_size != 0 && + matchlet->word_size != 1 && + matchlet->word_size != 2 && + matchlet->word_size != 4) + { + _xdg_mime_magic_matchlet_free (matchlet); + return XDG_MIME_MAGIC_ERROR; + } + c = getc_unlocked (magic_file); + } + + if (c == '+') + { + matchlet->range_length = _xdg_mime_magic_read_a_number (magic_file, &end_of_file); + if (end_of_file) + { + _xdg_mime_magic_matchlet_free (matchlet); + return XDG_MIME_MAGIC_EOF; + } + if (matchlet->range_length == -1) + { + _xdg_mime_magic_matchlet_free (matchlet); + return XDG_MIME_MAGIC_ERROR; + } + c = getc_unlocked (magic_file); + } + + + if (c == '\n') + { + /* We clean up the matchlet, byte swapping if needed */ + if (matchlet->word_size > 1) + { + int i; + if (matchlet->value_length % matchlet->word_size != 0) + { + _xdg_mime_magic_matchlet_free (matchlet); + return XDG_MIME_MAGIC_ERROR; + } + /* FIXME: need to get this defined in a <config.h> style file */ +#if LITTLE_ENDIAN + for (i = 0; i < matchlet->value_length; i = i + matchlet->word_size) + { + if (matchlet->word_size == 2) + *((xdg_uint16_t *) matchlet->value + i) = SWAP_BE16_TO_LE16 (*((xdg_uint16_t *) (matchlet->value + i))); + else if (matchlet->word_size == 4) + *((xdg_uint32_t *) matchlet->value + i) = SWAP_BE32_TO_LE32 (*((xdg_uint32_t *) (matchlet->value + i))); + if (matchlet->mask) + { + if (matchlet->word_size == 2) + *((xdg_uint16_t *) matchlet->mask + i) = SWAP_BE16_TO_LE16 (*((xdg_uint16_t *) (matchlet->mask + i))); + else if (matchlet->word_size == 4) + *((xdg_uint32_t *) matchlet->mask + i) = SWAP_BE32_TO_LE32 (*((xdg_uint32_t *) (matchlet->mask + i))); + + } + } +#endif + } + + matchlet->next = match->matchlet; + match->matchlet = matchlet; + + + return XDG_MIME_MAGIC_MAGIC; + } + + _xdg_mime_magic_matchlet_free (matchlet); + if (c == EOF) + return XDG_MIME_MAGIC_EOF; + + return XDG_MIME_MAGIC_ERROR; +} + +static int +_xdg_mime_magic_matchlet_compare_to_data (XdgMimeMagicMatchlet *matchlet, + const void *data, + size_t len) +{ + int i, j; + for (i = matchlet->offset; i < matchlet->offset + matchlet->range_length; i++) + { + int valid_matchlet = TRUE; + + if (i + matchlet->value_length > len) + return FALSE; + + if (matchlet->mask) + { + for (j = 0; j < matchlet->value_length; j++) + { + if ((matchlet->value[j] & matchlet->mask[j]) != + ((((unsigned char *) data)[j + i]) & matchlet->mask[j])) + { + valid_matchlet = FALSE; + break; + } + } + } + else + { + for (j = 0; j < matchlet->value_length; j++) + { + if (matchlet->value[j] != ((unsigned char *) data)[j + i]) + { + valid_matchlet = FALSE; + break; + } + } + } + if (valid_matchlet) + return TRUE; + } + return FALSE; +} + +static int +_xdg_mime_magic_matchlet_compare_level (XdgMimeMagicMatchlet *matchlet, + const void *data, + size_t len, + int indent) +{ + while ((matchlet != NULL) && (matchlet->indent == indent)) + { + if (_xdg_mime_magic_matchlet_compare_to_data (matchlet, data, len)) + { + if ((matchlet->next == NULL) || + (matchlet->next->indent <= indent)) + return TRUE; + + if (_xdg_mime_magic_matchlet_compare_level (matchlet->next, + data, + len, + indent + 1)) + return TRUE; + } + + do + { + matchlet = matchlet->next; + } + while (matchlet && matchlet->indent > indent); + } + + return FALSE; +} + +static int +_xdg_mime_magic_match_compare_to_data (XdgMimeMagicMatch *match, + const void *data, + size_t len) +{ + return _xdg_mime_magic_matchlet_compare_level (match->matchlet, data, len, 0); +} + +static void +_xdg_mime_magic_insert_match (XdgMimeMagic *mime_magic, + XdgMimeMagicMatch *match) +{ + XdgMimeMagicMatch *list; + + if (mime_magic->match_list == NULL) + { + mime_magic->match_list = match; + return; + } + + if (match->priority > mime_magic->match_list->priority) + { + match->next = mime_magic->match_list; + mime_magic->match_list = match; + return; + } + + list = mime_magic->match_list; + while (list->next != NULL) + { + if (list->next->priority < match->priority) + { + match->next = list->next; + list->next = match; + return; + } + list = list->next; + } + list->next = match; + match->next = NULL; +} + +XdgMimeMagic * +_xdg_mime_magic_new (void) +{ + return calloc (1, sizeof (XdgMimeMagic)); +} + +void +_xdg_mime_magic_free (XdgMimeMagic *mime_magic) +{ + if (mime_magic) { + _xdg_mime_magic_match_free (mime_magic->match_list); + free (mime_magic); + } +} + +int +_xdg_mime_magic_get_buffer_extents (XdgMimeMagic *mime_magic) +{ + return mime_magic->max_extent; +} + +const char * +_xdg_mime_magic_lookup_data (XdgMimeMagic *mime_magic, + const void *data, + size_t len, + const char *mime_types[], + int n_mime_types) +{ + XdgMimeMagicMatch *match; + const char *mime_type; + int n; + + mime_type = NULL; + for (match = mime_magic->match_list; match; match = match->next) + { + if (_xdg_mime_magic_match_compare_to_data (match, data, len)) + { + if ((mime_type == NULL) || (_xdg_mime_mime_type_subclass (match->mime_type, mime_type))) { + mime_type = match->mime_type; + } + } + else + { + for (n = 0; n < n_mime_types; n++) + { + if (mime_types[n] && + _xdg_mime_mime_type_equal (mime_types[n], match->mime_type)) + mime_types[n] = NULL; + } + } + } + + if (mime_type == NULL) + { + for (n = 0; n < n_mime_types; n++) + { + if (mime_types[n]) + mime_type = mime_types[n]; + } + } + + return mime_type; +} + +static void +_xdg_mime_update_mime_magic_extents (XdgMimeMagic *mime_magic) +{ + XdgMimeMagicMatch *match; + int max_extent = 0; + + for (match = mime_magic->match_list; match; match = match->next) + { + XdgMimeMagicMatchlet *matchlet; + + for (matchlet = match->matchlet; matchlet; matchlet = matchlet->next) + { + int extent; + + extent = matchlet->value_length + matchlet->offset + matchlet->range_length; + if (max_extent < extent) + max_extent = extent; + } + } + + mime_magic->max_extent = max_extent; +} + +static XdgMimeMagicMatchlet * +_xdg_mime_magic_matchlet_mirror (XdgMimeMagicMatchlet *matchlets) +{ + XdgMimeMagicMatchlet *new_list; + XdgMimeMagicMatchlet *tmp; + + if ((matchlets == NULL) || (matchlets->next == NULL)) + return matchlets; + + new_list = NULL; + tmp = matchlets; + while (tmp != NULL) + { + XdgMimeMagicMatchlet *matchlet; + + matchlet = tmp; + tmp = tmp->next; + matchlet->next = new_list; + new_list = matchlet; + } + + return new_list; + +} + +static void +_xdg_mime_magic_read_magic_file (XdgMimeMagic *mime_magic, + FILE *magic_file) +{ + XdgMimeMagicState state; + XdgMimeMagicMatch *match = NULL; /* Quiet compiler */ + + state = XDG_MIME_MAGIC_SECTION; + + while (state != XDG_MIME_MAGIC_EOF) + { + switch (state) + { + case XDG_MIME_MAGIC_SECTION: + match = _xdg_mime_magic_match_new (); + state = _xdg_mime_magic_parse_header (magic_file, match); + if (state == XDG_MIME_MAGIC_EOF || state == XDG_MIME_MAGIC_ERROR) + _xdg_mime_magic_match_free (match); + break; + case XDG_MIME_MAGIC_MAGIC: + state = _xdg_mime_magic_parse_magic_line (magic_file, match); + if (state == XDG_MIME_MAGIC_SECTION || + (state == XDG_MIME_MAGIC_EOF && match->mime_type)) + { + match->matchlet = _xdg_mime_magic_matchlet_mirror (match->matchlet); + _xdg_mime_magic_insert_match (mime_magic, match); + } + else if (state == XDG_MIME_MAGIC_EOF || state == XDG_MIME_MAGIC_ERROR) + _xdg_mime_magic_match_free (match); + break; + case XDG_MIME_MAGIC_ERROR: + state = _xdg_mime_magic_parse_error (magic_file); + break; + case XDG_MIME_MAGIC_EOF: + default: + /* Make the compiler happy */ + assert (0); + } + } + _xdg_mime_update_mime_magic_extents (mime_magic); +} + +void +_xdg_mime_magic_read_from_file (XdgMimeMagic *mime_magic, + const char *file_name) +{ + FILE *magic_file; + char header[12]; + + magic_file = fopen (file_name, "r"); + + if (magic_file == NULL) + return; + + if (fread (header, 1, 12, magic_file) == 12) + { + if (memcmp ("MIME-Magic\0\n", header, 12) == 0) + _xdg_mime_magic_read_magic_file (mime_magic, magic_file); + } + + fclose (magic_file); +} diff --git a/lib/xdgmime/xdgmimemagic.h b/lib/xdgmime/xdgmimemagic.h new file mode 100644 index 0000000..1657896 --- /dev/null +++ b/lib/xdgmime/xdgmimemagic.h @@ -0,0 +1,56 @@ +/* -*- mode: C; c-file-style: "gnu" -*- */ +/* xdgmimemagic.h: Private file. Datastructure for storing the magic files. + * + * More info can be found at http://www.freedesktop.org/standards/ + * + * Copyright (C) 2003 Red Hat, Inc. + * Copyright (C) 2003 Jonathan Blandford <jrb@alum.mit.edu> + * + * Licensed under the Academic Free License version 2.0 + * Or under the following terms: + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __XDG_MIME_MAGIC_H__ +#define __XDG_MIME_MAGIC_H__ + +#include <unistd.h> +#include "xdgmime.h" +typedef struct XdgMimeMagic XdgMimeMagic; + +#ifdef XDG_PREFIX +#define _xdg_mime_glob_read_from_file XDG_ENTRY(glob_read_from_file) +#define _xdg_mime_magic_new XDG_ENTRY(magic_new) +#define _xdg_mime_magic_read_from_file XDG_ENTRY(magic_read_from_file) +#define _xdg_mime_magic_free XDG_ENTRY(magic_free) +#define _xdg_mime_magic_get_buffer_extents XDG_ENTRY(magic_get_buffer_extents) +#define _xdg_mime_magic_lookup_data XDG_ENTRY(magic_lookup_data) +#endif + + +XdgMimeMagic *_xdg_mime_magic_new (void); +void _xdg_mime_magic_read_from_file (XdgMimeMagic *mime_magic, + const char *file_name); +void _xdg_mime_magic_free (XdgMimeMagic *mime_magic); +int _xdg_mime_magic_get_buffer_extents (XdgMimeMagic *mime_magic); +const char *_xdg_mime_magic_lookup_data (XdgMimeMagic *mime_magic, + const void *data, + size_t len, + const char *mime_types[], + int n_mime_types); + +#endif /* __XDG_MIME_MAGIC_H__ */ diff --git a/lib/xdgmime/xdgmimeparent.c b/lib/xdgmime/xdgmimeparent.c new file mode 100644 index 0000000..511bbac --- /dev/null +++ b/lib/xdgmime/xdgmimeparent.c @@ -0,0 +1,219 @@ +/* -*- mode: C; c-file-style: "gnu" -*- */ +/* xdgmimealias.c: Private file. Datastructure for storing the hierarchy. + * + * More info can be found at http://www.freedesktop.org/standards/ + * + * Copyright (C) 2004 Red Hat, Inc. + * Copyright (C) 2004 Matthias Clasen <mclasen@redhat.com> + * + * Licensed under the Academic Free License version 2.0 + * Or under the following terms: + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "xdgmimeparent.h" +#include "xdgmimeint.h" +#include <stdlib.h> +#include <stdio.h> +#include <assert.h> +#include <string.h> +#include <fnmatch.h> + +#ifndef FALSE +#define FALSE (0) +#endif + +#ifndef TRUE +#define TRUE (!FALSE) +#endif + +typedef struct XdgMimeParents XdgMimeParents; + +struct XdgMimeParents +{ + char *mime; + char **parents; + int n_parents; +}; + +struct XdgParentList +{ + struct XdgMimeParents *parents; + int n_mimes; +}; + +XdgParentList * +_xdg_mime_parent_list_new (void) +{ + XdgParentList *list; + + list = malloc (sizeof (XdgParentList)); + + list->parents = NULL; + list->n_mimes = 0; + + return list; +} + +void +_xdg_mime_parent_list_free (XdgParentList *list) +{ + int i; + char **p; + + if (list->parents) + { + for (i = 0; i < list->n_mimes; i++) + { + for (p = list->parents[i].parents; *p; p++) + free (*p); + + free (list->parents[i].parents); + free (list->parents[i].mime); + } + free (list->parents); + } + free (list); +} + +static int +parent_entry_cmp (const void *v1, const void *v2) +{ + return strcmp (((XdgMimeParents *)v1)->mime, ((XdgMimeParents *)v2)->mime); +} + +const char ** +_xdg_mime_parent_list_lookup (XdgParentList *list, + const char *mime) +{ + XdgMimeParents *entry; + XdgMimeParents key; + + if (list->n_mimes > 0) + { + key.mime = (char *)mime; + key.parents = NULL; + + entry = bsearch (&key, list->parents, list->n_mimes, + sizeof (XdgMimeParents), &parent_entry_cmp); + if (entry) + return (const char **)entry->parents; + } + + return NULL; +} + +void +_xdg_mime_parent_read_from_file (XdgParentList *list, + const char *file_name) +{ + FILE *file; + char line[255]; + int i, alloc; + XdgMimeParents *entry; + + file = fopen (file_name, "r"); + + if (file == NULL) + return; + + /* FIXME: Not UTF-8 safe. Doesn't work if lines are greater than 255 chars. + * Blah */ + alloc = list->n_mimes + 16; + list->parents = realloc (list->parents, alloc * sizeof (XdgMimeParents)); + while (fgets (line, 255, file) != NULL) + { + char *sep; + if (line[0] == '#') + continue; + + sep = strchr (line, ' '); + if (sep == NULL) + continue; + *(sep++) = '\000'; + sep[strlen (sep) -1] = '\000'; + entry = NULL; + for (i = 0; i < list->n_mimes; i++) + { + if (strcmp (list->parents[i].mime, line) == 0) + { + entry = &(list->parents[i]); + break; + } + } + + if (!entry) + { + if (list->n_mimes == alloc) + { + alloc <<= 1; + list->parents = realloc (list->parents, + alloc * sizeof (XdgMimeParents)); + } + list->parents[list->n_mimes].mime = strdup (line); + list->parents[list->n_mimes].parents = NULL; + entry = &(list->parents[list->n_mimes]); + list->n_mimes++; + } + + if (!entry->parents) + { + entry->n_parents = 1; + entry->parents = malloc ((entry->n_parents + 1) * sizeof (char *)); + } + else + { + entry->n_parents += 1; + entry->parents = realloc (entry->parents, + (entry->n_parents + 2) * sizeof (char *)); + } + entry->parents[entry->n_parents - 1] = strdup (sep); + entry->parents[entry->n_parents] = NULL; + } + + list->parents = realloc (list->parents, + list->n_mimes * sizeof (XdgMimeParents)); + + fclose (file); + + if (list->n_mimes > 1) + qsort (list->parents, list->n_mimes, + sizeof (XdgMimeParents), &parent_entry_cmp); +} + + +void +_xdg_mime_parent_list_dump (XdgParentList *list) +{ + int i; + char **p; + + if (list->parents) + { + for (i = 0; i < list->n_mimes; i++) + { + for (p = list->parents[i].parents; *p; p++) + printf ("%s %s\n", list->parents[i].mime, *p); + } + } +} + + diff --git a/lib/xdgmime/xdgmimeparent.h b/lib/xdgmime/xdgmimeparent.h new file mode 100644 index 0000000..da29452 --- /dev/null +++ b/lib/xdgmime/xdgmimeparent.h @@ -0,0 +1,50 @@ +/* -*- mode: C; c-file-style: "gnu" -*- */ +/* xdgmimeparent.h: Private file. Datastructure for storing the hierarchy. + * + * More info can be found at http://www.freedesktop.org/standards/ + * + * Copyright (C) 2004 Red Hat, Inc. + * Copyright (C) 200 Matthias Clasen <mclasen@redhat.com> + * + * Licensed under the Academic Free License version 2.0 + * Or under the following terms: + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __XDG_MIME_PARENT_H__ +#define __XDG_MIME_PARENT_H__ + +#include "xdgmime.h" + +typedef struct XdgParentList XdgParentList; + +#ifdef XDG_PREFIX +#define _xdg_mime_parent_read_from_file XDG_ENTRY(parent_read_from_file) +#define _xdg_mime_parent_list_new XDG_ENTRY(parent_list_new) +#define _xdg_mime_parent_list_free XDG_ENTRY(parent_list_free) +#define _xdg_mime_parent_list_lookup XDG_ENTRY(parent_list_lookup) +#endif + +void _xdg_mime_parent_read_from_file (XdgParentList *list, + const char *file_name); +XdgParentList *_xdg_mime_parent_list_new (void); +void _xdg_mime_parent_list_free (XdgParentList *list); +const char **_xdg_mime_parent_list_lookup (XdgParentList *list, + const char *mime); +void _xdg_mime_parent_list_dump (XdgParentList *list); + +#endif /* __XDG_MIME_PARENT_H__ */ diff --git a/sugar/Makefile.am b/sugar/Makefile.am index 93e548d..77aacdd 100644 --- a/sugar/Makefile.am +++ b/sugar/Makefile.am @@ -1,4 +1,4 @@ -SUBDIRS = activity clipboard graphics p2p presence datastore +SUBDIRS = activity clipboard graphics objects p2p presence datastore sugardir = $(pythondir)/sugar sugar_PYTHON = \ diff --git a/sugar/_sugarext.c b/sugar/_sugarext.c index 7c7c35a..c5bf22d 100644 --- a/sugar/_sugarext.c +++ b/sugar/_sugarext.c @@ -79,7 +79,27 @@ PyTypeObject G_GNUC_INTERNAL PySugarAddressEntry_Type = { /* ----------- functions ----------- */ +static PyObject * +_wrap_sugar_mime_get_mime_type_from_file_name(PyObject *self, PyObject *args, PyObject *kwargs) +{ + static char *kwlist[] = { "filename", NULL }; + char *filename; + const gchar *ret; + + if (!PyArg_ParseTupleAndKeywords(args, kwargs,"s:get_mime_type_from_file_name", kwlist, &filename)) + return NULL; + + ret = sugar_mime_get_mime_type_from_file_name(filename); + + if (ret) + return PyString_FromString(ret); + Py_INCREF(Py_None); + return Py_None; +} + const PyMethodDef py_sugarext_functions[] = { + { "get_mime_type_from_file_name", (PyCFunction)_wrap_sugar_mime_get_mime_type_from_file_name, METH_VARARGS|METH_KEYWORDS, + NULL }, { NULL, NULL, 0, NULL } }; @@ -103,6 +123,6 @@ py_sugarext_register_classes(PyObject *d) } -#line 107 "_sugarext.c" +#line 127 "_sugarext.c" pygobject_register_class(d, "SugarAddressEntry", SUGAR_TYPE_ADDRESS_ENTRY, &PySugarAddressEntry_Type, Py_BuildValue("(O)", &PyGtkEntry_Type)); } diff --git a/sugar/_sugarext.defs b/sugar/_sugarext.defs index e35a6c9..666fb36 100644 --- a/sugar/_sugarext.defs +++ b/sugar/_sugarext.defs @@ -1,5 +1,5 @@ ;; -*- scheme -*- -; object definitions ... +; object definitions (define-object AddressEntry (in-module "Sugar") @@ -7,3 +7,13 @@ (c-name "SugarAddressEntry") (gtype-id "SUGAR_TYPE_ADDRESS_ENTRY") ) + +; functions + +(define-function get_mime_type_from_file_name + (c-name "sugar_mime_get_mime_type_from_file_name") + (return-type "const-char*") + (parameters + '("const-char*" "filename") + ) +) diff --git a/sugar/objects/Makefile.am b/sugar/objects/Makefile.am index c93713b..35d4ddc 100644 --- a/sugar/objects/Makefile.am +++ b/sugar/objects/Makefile.am @@ -1,5 +1,4 @@ sugardir = $(pythondir)/sugar/objects -sugar_PYTHON = \ - __init__.py \ - typeregistry.py \ - typeinfo.py +sugar_PYTHON = \ + __init__.py \ + mime.py diff --git a/sugar/objects/__init__.py b/sugar/objects/__init__.py new file mode 100644 index 0000000..139597f --- /dev/null +++ b/sugar/objects/__init__.py @@ -0,0 +1,2 @@ + + diff --git a/sugar/objects/mime.py b/sugar/objects/mime.py new file mode 100644 index 0000000..9e40561 --- /dev/null +++ b/sugar/objects/mime.py @@ -0,0 +1,4 @@ +from sugar import _sugarext + +def get_from_filename(filename): + return _sugarext.get_mime_type_from_filename(filename) diff --git a/sugar/objects/typeinfo.py b/sugar/objects/typeinfo.py deleted file mode 100644 index 8ac8471..0000000 --- a/sugar/objects/typeinfo.py +++ /dev/null @@ -1,58 +0,0 @@ -# Copyright (C) 2007, Red Hat, Inc. -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2 of the License, or (at your option) any later version. -# -# This library 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 -# Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public -# License along with this library; if not, write to the -# Free Software Foundation, Inc., 59 Temple Place - Suite 330, -# Boston, MA 02111-1307, USA. - -class TypeInfo(object): - def __init__(self, info_dict=None): - self.type_id = None - self.name = None - self.icon = 'theme:stock-missing' - self.parent = None - self.formats = [] - - if info_dict: - self._read_from_dict(info_dict) - - def get_default_activity(self): - return None - - def get_activities(self): - return [] - - def _read_from_config(self, section, items, l_items): - self.type_id = section - - for item in items: - if item[0] == 'name': - self.name = item[1] - elif item[0] == 'icon': - self.icon = item[1] - elif item[0] == 'parent': - self.parent = item[1] - elif item[0] == 'formats': - self.formats = item[1].split(';') - - for item in litems: - if item[0] == 'name': - self.name = item[1] - - return (self.name and self.parent and self.formats) - - def _read_from_dict(self, info_dict): - self.type_id = info_dict['type_id'] - self.name = info_dict['name'] - self.icon = info_dict['icon'] - self.formats = info_dict['formats'] diff --git a/sugar/objects/typeregistry.py b/sugar/objects/typeregistry.py deleted file mode 100644 index 8d24b39..0000000 --- a/sugar/objects/typeregistry.py +++ /dev/null @@ -1,99 +0,0 @@ -# Copyright (C) 2007, Red Hat, Inc. -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2 of the License, or (at your option) any later version. -# -# This library 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 -# Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public -# License along with this library; if not, write to the -# Free Software Foundation, Inc., 59 Temple Place - Suite 330, -# Boston, MA 02111-1307, USA. - -from gettext import gettext as _ -from ConfigParser import ConfigParser - -from sugar.objects.typeinfo import TypeInfo -from sugar.activity import bundleregistry - -_text_type = { - 'type_id' : 'Text', - 'name' : _('Text'), - 'icon' : 'theme:object-text', - 'formats' : [ 'text/plain', 'application/pdf' ] -} - -_image_type = { - 'type_id' : 'Image', - 'name' : _('Image'), - 'icon' : 'theme:object-image', - 'formats' : [ 'image/jpeg', 'image/gif', 'image/png' ] -} - -class _RootNode(_TypeNode): - def __init__(self): - _TypeNode.__init__('') - - def append_primitive(self, info_dict): - self.append(TypeInfo(info_dict)) - -class _TypeNode(list): - def __init__(self, type_info): - self.type_info = type_info - - def get_node_from_type(self, type_id): - for node in self: - if node.type_info.type_id == type_id: - return node - - for node in self: - child = node.get_node_from_type() - if child: - return child - - return None - -class TypeRegistry(object): - def __init__(self): - self._tree = _RootNode() - self._tree.append_primitive(_image_type) - self._tree.append_primitive(_text_type) - - self._bundle_registry = bundleregistry.get_registry() - for bundle in self._bundle_registry: - self._read_from_bundle(bundle) - self._bundle_registry.connect('bundle-added', self._bundle_added_cb) - - def _bundle_added_cb (self, registry, bundle): - self._read_from_bundle(bundle) - - def _read_from_bundle(self, bundle): - cp = ConfigParser() - path = bundle.get_path() - cp.read([os.path.join(path, 'activity', 'object_types.info')]) - items = cp.items() - - cp = ConfigParser() - path = bundle.get_locale_path() - cp.read([os.path.join(path, 'object_types.linfo')]) - l_items = cp.items() - - for section in cp.sections(): - type_info = TypeInfo() - if type_info.read_from_config(section, items, l_items): - parent_node = self._tree.get_node_from_type(type_info.parent) - if parent_node: - parent_node.append(_TypeNode(type_info)) - return True - - return False - -def get_registry(): - return _type_registry - -_type_registry = TypeRegistry() diff --git a/tests/test-browser.py b/tests/test-browser.py deleted file mode 100755 index ce9a3cf..0000000 --- a/tests/test-browser.py +++ /dev/null @@ -1,52 +0,0 @@ -#!/usr/bin/env python - -# Copyright (C) 2006, Red Hat, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - -import os - -import pygtk -pygtk.require('2.0') -import gtk -import gobject - -import sugar.browser - -def _print_document(): - #print browser.document - pass - -def _quit(window): - sugar.browser.shutdown() - gtk.main_quit() - -# Main window -window = gtk.Window() -window.connect("destroy", _quit) - -sugar.browser.startup(os.path.expanduser('~/.sugar-browser-test'), 'test') - -browser = sugar.browser.Browser() -window.add(browser) -browser.show() - -browser.load_url('about:blank') - -gobject.idle_add(_print_document) - -window.show() - -gtk.main() diff --git a/tests/test-datastore.py b/tests/test-datastore.py deleted file mode 100755 index d3e8478..0000000 --- a/tests/test-datastore.py +++ /dev/null @@ -1,136 +0,0 @@ -#!/usr/bin/env python -# Copyright (C) 2006, Red Hat, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - -import unittest -from sugar.datastore import datastore -from sugar import util -import dbus - -class NotFoundError(dbus.DBusException): pass - -_ds = datastore.get_instance() - -class DataStoreTestCase(unittest.TestCase): - _TEST_DATA = "adsfkjadsfadskjasdkjf" - _TEST_PROPS = {'foo': 1, 'bar': 'baz'} - def _create_test_object(self, activity_id=None): - obj = _ds.create(self._TEST_DATA, self._TEST_PROPS, activity_id=activity_id) - self.assert_(obj) - return obj - - def testObjectCreate(self): - obj = self._create_test_object() - self.assert_(obj.uid()) - _ds.delete(obj) - - def testObjectCreateWithActivityId(self): - # Try known good create - act_id = util.unique_id('afdkjakjddasf') - obj = self._create_test_object(act_id) - self.assert_(obj.uid()) - _ds.delete(obj) - - def testObjectCreateWithBadActivityId(self): - # try malformed activity id - try: - uid = self._create_test_object("adfadf") - except ValueError: - pass - else: - self.fail("Expected ValueError") - - def testObjectGetActivityObject(self): - # create a new object - act_id = util.unique_id('afdkjakjddasf') - obj = self._create_test_object(act_id) - self.assert_(obj.uid()) - obj2 = _ds.get(activity_id=act_id) - self.assert_(obj2) - _ds.delete(obj) - - def testObjectGet(self): - # create a new object - obj = self._create_test_object() - self.assert_(obj.uid()) - obj2 = _ds.get(obj.uid()) - self.assert_(obj2) - _ds.delete(obj) - - def testObjectDelete(self): - obj = self._create_test_object() - uid = obj.uid() - _ds.delete(obj) - try: - _ds.get(uid) - except dbus.DBusException, e: - if str(e).find("NotFoundError:") < 0: - self.fail("Expected a NotFoundError") - else: - self.fail("Expected a NotFoundError.") - - def testObjectFind(self): - obj = self._create_test_object() - found = _ds.find(self._TEST_PROPS) - self.assert_(obj in found) - _ds.delete(obj) - - def testObjectGetData(self): - obj = self._create_test_object() - data = obj.get_data() - self.assert_(data == self._TEST_DATA) - _ds.delete(obj) - - _OTHER_DATA = "532532532532532;lkjkjkjfsakjfakjfdsakj" - def testObjectSetData(self): - obj = self._create_test_object() - data = obj.get_data() - self.assert_(data == self._TEST_DATA) - obj.set_data(self._OTHER_DATA) - data = obj.get_data() - self.assert_(data == self._OTHER_DATA) - _ds.delete(obj) - - def testObjectGetProperties(self): - obj = self._create_test_object() - props = obj.get_properties() - for (key, value) in props.items(): - if key == 'uid': - continue - self.assert_(key in self._TEST_PROPS) - self.assert_(str(self._TEST_PROPS[key]) == str(value)) - for (key, value) in self._TEST_PROPS.items(): - self.assert_(key in props) - self.assert_(str(props[key]) == str(value)) - _ds.delete(obj) - -def main(): - dsTestSuite = unittest.TestSuite() - dsTestSuite.addTest(DataStoreTestCase('testObjectCreate')) - dsTestSuite.addTest(DataStoreTestCase('testObjectCreateWithActivityId')) - dsTestSuite.addTest(DataStoreTestCase('testObjectCreateWithBadActivityId')) - dsTestSuite.addTest(DataStoreTestCase('testObjectGet')) - dsTestSuite.addTest(DataStoreTestCase('testObjectGetActivityObject')) - dsTestSuite.addTest(DataStoreTestCase('testObjectDelete')) - dsTestSuite.addTest(DataStoreTestCase('testObjectFind')) - dsTestSuite.addTest(DataStoreTestCase('testObjectGetData')) - dsTestSuite.addTest(DataStoreTestCase('testObjectSetData')) - dsTestSuite.addTest(DataStoreTestCase('testObjectGetProperties')) - unittest.TextTestRunner(verbosity=2).run(dsTestSuite) - - -if __name__ == "__main__": - main() diff --git a/tests/test-datastore2.py b/tests/test-datastore2.py deleted file mode 100755 index e874758..0000000 --- a/tests/test-datastore2.py +++ /dev/null @@ -1,50 +0,0 @@ -#!/usr/bin/env python -# Copyright (C) 2006, One Laptop Per Child -# -# 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -from sugar.datastore import datastore -from sugar.datastore.datastore import Text - -# Write a text object -metadata = { 'date' : 1000900000, - 'title' : 'Thai history', - 'preview' : 'The subject of thai history...', - 'icon-color' : '#C2B00C,#785C78', - } -text = Text(metadata) -f = open("/tmp/hello.txt", 'w') -try: - f.write('The subject of thai history blah blah blah, blah blah blah and blah.') -finally: - f.close() -text.set_file_path(f.name) -handle = datastore.write(text) - -# Read back that object -thing = datastore.read(handle) -metadata = thing.get_metadata() -print metadata - -file_path = thing.get_file_path() -f = open(file_path) -try: - print f.read() -finally: - f.close() - -# Retrieve all the objects -objects = datastore.find('') -for obj in objects: - print obj.get_metadata()['title'] diff --git a/tests/test-mime.py b/tests/test-mime.py new file mode 100755 index 0000000..8ecd613 --- /dev/null +++ b/tests/test-mime.py @@ -0,0 +1,21 @@ +#!/usr/bin/env python + +# Copyright (C) 2006, Red Hat, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +from sugar import objects + +print objects.mime.get_from_filename('test.pdf') |