X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=gio%2Fgcontenttype.c;h=9586c31d9e288d8e2b713d2a0fdcc06372ddf2b6;hb=a3d86afa81ff34ce797a3928fd619ead219a37af;hp=732373bd9a55ea8bbff47d6f50843a9230de0761;hpb=2623f6fc0f6ae69a771ddc6d7bd474973555d442;p=platform%2Fupstream%2Fglib.git
diff --git a/gio/gcontenttype.c b/gio/gcontenttype.c
index 732373b..9586c31 100644
--- a/gio/gcontenttype.c
+++ b/gio/gcontenttype.c
@@ -1,7 +1,7 @@
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* GIO - GLib Input, Output and Streaming Library
- *
+ *
* Copyright (C) 2006-2007 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
@@ -15,9 +15,7 @@
* 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.
+ * Public License along with this library; if not, see .
*
* Author: Alexander Larsson
*/
@@ -35,7 +33,6 @@
#include "gfileinfo.h"
#include "glibintl.h"
-#include "gioalias.h"
/**
* SECTION:gcontenttype
@@ -43,353 +40,14 @@
* @include: gio/gio.h
*
* A content type is a platform specific string that defines the type
- * of a file. On unix it is a mime type, on win32 it is an extension string
- * like ".doc", ".txt" or a percieved string like "audio". Such strings
- * can be looked up in the registry at HKEY_CLASSES_ROOT.
+ * of a file. On UNIX it is a
+ * [mime type](http://www.wikipedia.org/wiki/Internet_media_type)
+ * like "text/plain" or "image/png".
+ * On Win32 it is an extension string like ".doc", ".txt" or a perceived
+ * string like "audio". Such strings can be looked up in the registry at
+ * HKEY_CLASSES_ROOT.
**/
-#ifdef G_OS_WIN32
-
-#include
-
-static char *
-get_registry_classes_key (const char *subdir,
- const wchar_t *key_name)
-{
- wchar_t *wc_key;
- HKEY reg_key = NULL;
- DWORD key_type;
- DWORD nbytes;
- char *value_utf8;
-
- value_utf8 = NULL;
-
- nbytes = 0;
- wc_key = g_utf8_to_utf16 (subdir, -1, NULL, NULL, NULL);
- if (RegOpenKeyExW (HKEY_CLASSES_ROOT, wc_key, 0,
- KEY_QUERY_VALUE, ®_key) == ERROR_SUCCESS &&
- RegQueryValueExW (reg_key, key_name, 0,
- &key_type, NULL, &nbytes) == ERROR_SUCCESS &&
- (key_type == REG_SZ || key_type == REG_EXPAND_SZ))
- {
- wchar_t *wc_temp = g_new (wchar_t, (nbytes+1)/2 + 1);
- RegQueryValueExW (reg_key, key_name, 0,
- &key_type, (LPBYTE) wc_temp, &nbytes);
- wc_temp[nbytes/2] = '\0';
- if (key_type == REG_EXPAND_SZ)
- {
- wchar_t dummy[1];
- int len = ExpandEnvironmentStringsW (wc_temp, dummy, 1);
- if (len > 0)
- {
- wchar_t *wc_temp_expanded = g_new (wchar_t, len);
- if (ExpandEnvironmentStringsW (wc_temp, wc_temp_expanded, len) == len)
- value_utf8 = g_utf16_to_utf8 (wc_temp_expanded, -1, NULL, NULL, NULL);
- g_free (wc_temp_expanded);
- }
- }
- else
- {
- value_utf8 = g_utf16_to_utf8 (wc_temp, -1, NULL, NULL, NULL);
- }
- g_free (wc_temp);
-
- }
- g_free (wc_key);
-
- if (reg_key != NULL)
- RegCloseKey (reg_key);
-
- return value_utf8;
-}
-
-gboolean
-g_content_type_equals (const char *type1,
- const char *type2)
-{
- char *progid1, *progid2;
- gboolean res;
-
- g_return_val_if_fail (type1 != NULL, FALSE);
- g_return_val_if_fail (type2 != NULL, FALSE);
-
- if (g_ascii_strcasecmp (type1, type2) == 0)
- return TRUE;
-
- res = FALSE;
- progid1 = get_registry_classes_key (type1, NULL);
- progid2 = get_registry_classes_key (type2, NULL);
- if (progid1 != NULL && progid2 != NULL &&
- strcmp (progid1, progid2) == 0)
- res = TRUE;
- g_free (progid1);
- g_free (progid2);
-
- return res;
-}
-
-gboolean
-g_content_type_is_a (const char *type,
- const char *supertype)
-{
- gboolean res;
- char *value_utf8;
-
- g_return_val_if_fail (type != NULL, FALSE);
- g_return_val_if_fail (supertype != NULL, FALSE);
-
- if (g_content_type_equals (type, supertype))
- return TRUE;
-
- res = FALSE;
- value_utf8 = get_registry_classes_key (type, L"PerceivedType");
- if (value_utf8 && strcmp (value_utf8, supertype) == 0)
- res = TRUE;
- g_free (value_utf8);
-
- return res;
-}
-
-gboolean
-g_content_type_is_unknown (const char *type)
-{
- g_return_val_if_fail (type != NULL, FALSE);
-
- return strcmp ("*", type) == 0;
-}
-
-char *
-g_content_type_get_description (const char *type)
-{
- char *progid;
- char *description;
-
- g_return_val_if_fail (type != NULL, NULL);
-
- progid = get_registry_classes_key (type, NULL);
- if (progid)
- {
- description = get_registry_classes_key (progid, NULL);
- g_free (progid);
-
- if (description)
- return description;
- }
-
- if (g_content_type_is_unknown (type))
- return g_strdup (_("Unknown type"));
- return g_strdup_printf (_("%s filetype"), type);
-}
-
-char *
-g_content_type_get_mime_type (const char *type)
-{
- char *mime;
-
- g_return_val_if_fail (type != NULL, NULL);
-
- mime = get_registry_classes_key (type, L"Content Type");
- if (mime)
- return mime;
- else if (g_content_type_is_unknown (type))
- return g_strdup ("application/octet-stream");
- else if (*type == '.')
- return g_strdup_printf ("application/x-ext-%s", type+1);
- /* TODO: Map "image" to "image/ *", etc? */
-
- return g_strdup ("application/octet-stream");
-}
-
-G_LOCK_DEFINE_STATIC (_type_icons);
-static GHashTable *_type_icons = NULL;
-
-GIcon *
-g_content_type_get_icon (const char *type)
-{
- GIcon *themed_icon;
- char *name = NULL;
-
- g_return_val_if_fail (type != NULL, NULL);
-
- /* In the Registry icons are the default value of
- HKEY_CLASSES_ROOT\\DefaultIcon with typical values like:
- :
- REG_EXPAND_SZ: %SystemRoot%\System32\Wscript.exe,3
- REG_SZ: shimgvw.dll,3
- */
- G_LOCK (_type_icons);
- if (!_type_icons)
- _type_icons = g_hash_table_new (g_str_hash, g_str_equal);
- name = g_hash_table_lookup (_type_icons, type);
- if (!name && type[0] == '.')
- {
- /* double lookup by extension */
- gchar *key = get_registry_classes_key (type, NULL);
- if (!key)
- key = g_strconcat (type+1, "file\\DefaultIcon", NULL);
- else
- {
- gchar *key2 = g_strconcat (key, "\\DefaultIcon", NULL);
- g_free (key);
- key = key2;
- }
- name = get_registry_classes_key (key, NULL);
- if (name && strcmp (name, "%1") == 0)
- {
- g_free (name);
- name = NULL;
- }
- if (name)
- g_hash_table_insert (_type_icons, g_strdup (type), g_strdup (name));
- g_free (key);
- }
-
- /* icon-name similar to how it was with gtk-2-12 */
- if (name)
- {
- themed_icon = g_themed_icon_new (name);
- }
- else
- {
- /* if not found an icon fall back to gtk-builtins */
- name = strcmp (type, "inode/directory") == 0 ? "gtk-directory" :
- g_content_type_can_be_executable (type) ? "gtk-execute" : "gtk-file";
- g_hash_table_insert (_type_icons, g_strdup (type), g_strdup (name));
- themed_icon = g_themed_icon_new_with_default_fallbacks (name);
- }
- G_UNLOCK (_type_icons);
-
- return G_ICON (themed_icon);
-}
-
-gboolean
-g_content_type_can_be_executable (const char *type)
-{
- g_return_val_if_fail (type != NULL, FALSE);
-
- if (strcmp (type, ".exe") == 0 ||
- strcmp (type, ".com") == 0 ||
- strcmp (type, ".bat") == 0)
- return TRUE;
-
- /* TODO: Also look at PATHEXT, which lists the extensions for
- * "scripts" in addition to those for true binary executables.
- *
- * (PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH for me
- * right now, for instance). And in a sense, all associated file
- * types are "executable" on Windows... You can just type foo.jpg as
- * a command name in cmd.exe, and it will run the application
- * associated with .jpg. Hard to say what this API actually means
- * with "executable".
- */
-
- return FALSE;
-}
-
-static gboolean
-looks_like_text (const guchar *data,
- gsize data_size)
-{
- gsize i;
- guchar c;
- for (i = 0; i < data_size; i++)
- {
- c = data[i];
- if (g_ascii_iscntrl (c) && !g_ascii_isspace (c))
- return FALSE;
- }
- return TRUE;
-}
-
-char *
-g_content_type_from_mime_type (const char *mime_type)
-{
- char *key, *content_type;
-
- g_return_val_if_fail (mime_type != NULL, NULL);
-
- key = g_strconcat ("MIME\\DataBase\\Content Type\\", mime_type, NULL);
- content_type = get_registry_classes_key (key, L"Extension");
- g_free (key);
-
- return content_type;
-}
-
-char *
-g_content_type_guess (const char *filename,
- const guchar *data,
- gsize data_size,
- gboolean *result_uncertain)
-{
- char *basename;
- char *type;
- char *dot;
-
- type = NULL;
-
- if (filename)
- {
- basename = g_path_get_basename (filename);
- dot = strrchr (basename, '.');
- if (dot)
- type = g_strdup (dot);
- g_free (basename);
- }
-
- if (type)
- return type;
-
- if (data && looks_like_text (data, data_size))
- return g_strdup (".txt");
-
- return g_strdup ("*");
-}
-
-GList *
-g_content_types_get_registered (void)
-{
- DWORD index;
- wchar_t keyname[256];
- DWORD key_len;
- char *key_utf8;
- GList *types;
-
- types = NULL;
- index = 0;
- key_len = 256;
- while (RegEnumKeyExW(HKEY_CLASSES_ROOT,
- index,
- keyname,
- &key_len,
- NULL,
- NULL,
- NULL,
- NULL) == ERROR_SUCCESS)
- {
- key_utf8 = g_utf16_to_utf8 (keyname, -1, NULL, NULL, NULL);
- if (key_utf8)
- {
- if (*key_utf8 == '.')
- types = g_list_prepend (types, key_utf8);
- else
- g_free (key_utf8);
- }
- index++;
- key_len = 256;
- }
-
- return g_list_reverse (types);
-}
-
-char **
-g_content_type_guess_for_tree (GFile *root)
-{
- /* FIXME: implement */
- return NULL;
-}
-
-#else /* !G_OS_WIN32 - Unix specific version */
-
#include
#define XDG_PREFIX _gio_xdg
@@ -410,111 +68,111 @@ _g_unix_content_type_get_sniff_len (void)
return size;
}
-char *
-_g_unix_content_type_unalias (const char *type)
+gchar *
+_g_unix_content_type_unalias (const gchar *type)
{
- char *res;
-
+ gchar *res;
+
G_LOCK (gio_xdgmime);
res = g_strdup (xdg_mime_unalias_mime_type (type));
G_UNLOCK (gio_xdgmime);
-
+
return res;
}
-char **
-_g_unix_content_type_get_parents (const char *type)
+gchar **
+_g_unix_content_type_get_parents (const gchar *type)
{
- const char *umime;
- char **parents;
+ const gchar *umime;
+ gchar **parents;
GPtrArray *array;
int i;
array = g_ptr_array_new ();
-
+
G_LOCK (gio_xdgmime);
-
+
umime = xdg_mime_unalias_mime_type (type);
-
+
g_ptr_array_add (array, g_strdup (umime));
-
+
parents = xdg_mime_list_mime_parents (umime);
for (i = 0; parents && parents[i] != NULL; i++)
g_ptr_array_add (array, g_strdup (parents[i]));
-
+
free (parents);
-
+
G_UNLOCK (gio_xdgmime);
-
+
g_ptr_array_add (array, NULL);
-
- return (char **)g_ptr_array_free (array, FALSE);
+
+ return (gchar **)g_ptr_array_free (array, FALSE);
}
/**
* g_content_type_equals:
- * @type1: a content type string.
- * @type2: a content type string.
+ * @type1: a content type string
+ * @type2: a content type string
*
* Compares two content types for equality.
*
* Returns: %TRUE if the two strings are identical or equivalent,
- * %FALSE otherwise.
- **/
+ * %FALSE otherwise.
+ */
gboolean
-g_content_type_equals (const char *type1,
- const char *type2)
+g_content_type_equals (const gchar *type1,
+ const gchar *type2)
{
gboolean res;
-
+
g_return_val_if_fail (type1 != NULL, FALSE);
g_return_val_if_fail (type2 != NULL, FALSE);
-
+
G_LOCK (gio_xdgmime);
res = xdg_mime_mime_type_equal (type1, type2);
G_UNLOCK (gio_xdgmime);
-
+
return res;
}
/**
* g_content_type_is_a:
- * @type: a content type string.
- * @supertype: a string.
+ * @type: a content type string
+ * @supertype: a content type string
*
- * Determines if @type is a subset of @supertype.
+ * Determines if @type is a subset of @supertype.
*
* Returns: %TRUE if @type is a kind of @supertype,
- * %FALSE otherwise.
- **/
+ * %FALSE otherwise.
+ */
gboolean
-g_content_type_is_a (const char *type,
- const char *supertype)
+g_content_type_is_a (const gchar *type,
+ const gchar *supertype)
{
gboolean res;
-
+
g_return_val_if_fail (type != NULL, FALSE);
g_return_val_if_fail (supertype != NULL, FALSE);
-
+
G_LOCK (gio_xdgmime);
res = xdg_mime_mime_type_subclass (type, supertype);
G_UNLOCK (gio_xdgmime);
-
+
return res;
}
/**
* g_content_type_is_unknown:
- * @type: a content type string.
- *
+ * @type: a content type string
+ *
* Checks if the content type is the generic "unknown" type.
- * On unix this is the "application/octet-stream" mimetype,
+ * On UNIX this is the "application/octet-stream" mimetype,
* while on win32 it is "*".
- *
+ *
* Returns: %TRUE if the type is the unknown type.
- **/
+ */
gboolean
-g_content_type_is_unknown (const char *type)
+g_content_type_is_unknown (const gchar *type)
{
g_return_val_if_fail (type != NULL, FALSE);
@@ -540,65 +198,64 @@ language_level (const char *lang)
{
const char * const *lang_list;
int i;
-
+
/* The returned list is sorted from most desirable to least
desirable and always contains the default locale "C". */
lang_list = g_get_language_names ();
-
+
for (i = 0; lang_list[i]; i++)
if (strcmp (lang_list[i], lang) == 0)
return 1000-i;
-
+
return 0;
}
static void
mime_info_start_element (GMarkupParseContext *context,
- const gchar *element_name,
- const gchar **attribute_names,
- const gchar **attribute_values,
- gpointer user_data,
- GError **error)
+ const gchar *element_name,
+ const gchar **attribute_names,
+ const gchar **attribute_values,
+ gpointer user_data,
+ GError **error)
{
int i;
const char *lang;
MimeParser *parser = user_data;
-
+
if (strcmp (element_name, "comment") == 0)
{
lang = "C";
for (i = 0; attribute_names[i]; i++)
- if (strcmp (attribute_names[i], "xml:lang") == 0)
- {
- lang = attribute_values[i];
- break;
- }
-
+ if (strcmp (attribute_names[i], "xml:lang") == 0)
+ {
+ lang = attribute_values[i];
+ break;
+ }
+
parser->current_lang_level = language_level (lang);
parser->current_type = MIME_TAG_TYPE_COMMENT;
}
else
parser->current_type = MIME_TAG_TYPE_OTHER;
-
}
static void
mime_info_end_element (GMarkupParseContext *context,
- const gchar *element_name,
- gpointer user_data,
- GError **error)
+ const gchar *element_name,
+ gpointer user_data,
+ GError **error)
{
MimeParser *parser = user_data;
-
+
parser->current_type = MIME_TAG_TYPE_OTHER;
}
static void
mime_info_text (GMarkupParseContext *context,
- const gchar *text,
- gsize text_len,
- gpointer user_data,
- GError **error)
+ const gchar *text,
+ gsize text_len,
+ gpointer user_data,
+ GError **error)
{
MimeParser *parser = user_data;
@@ -612,7 +269,7 @@ mime_info_text (GMarkupParseContext *context,
}
static char *
-load_comment_for_mime_helper (const char *dir,
+load_comment_for_mime_helper (const char *dir,
const char *basename)
{
GMarkupParseContext *context;
@@ -627,17 +284,17 @@ load_comment_for_mime_helper (const char *dir,
};
filename = g_build_filename (dir, "mime", basename, NULL);
-
+
res = g_file_get_contents (filename, &data, &len, NULL);
g_free (filename);
if (!res)
return NULL;
-
+
context = g_markup_parse_context_new (&parser, 0, &parse_data, NULL);
res = g_markup_parse_context_parse (context, data, len, NULL);
g_free (data);
g_markup_parse_context_free (context);
-
+
if (!res)
return NULL;
@@ -661,39 +318,40 @@ load_comment_for_mime (const char *mimetype)
g_free (basename);
return comment;
}
-
+
dirs = g_get_system_data_dirs ();
for (i = 0; dirs[i] != NULL; i++)
{
comment = load_comment_for_mime_helper (dirs[i], basename);
if (comment)
- {
- g_free (basename);
- return comment;
- }
+ {
+ g_free (basename);
+ return comment;
+ }
}
g_free (basename);
-
+
return g_strdup_printf (_("%s type"), mimetype);
}
/**
* g_content_type_get_description:
- * @type: a content type string.
- *
+ * @type: a content type string
+ *
* Gets the human readable description of the content type.
- *
- * Returns: a short description of the content type @type.
- **/
-char *
-g_content_type_get_description (const char *type)
+ *
+ * Returns: a short description of the content type @type. Free the
+ * returned string with g_free()
+ */
+gchar *
+g_content_type_get_description (const gchar *type)
{
static GHashTable *type_comment_cache = NULL;
- char *comment;
+ gchar *comment;
g_return_val_if_fail (type != NULL, NULL);
-
+
G_LOCK (gio_xdgmime);
type = xdg_mime_unalias_mime_type (type);
@@ -703,16 +361,16 @@ g_content_type_get_description (const char *type)
comment = g_hash_table_lookup (type_comment_cache, type);
comment = g_strdup (comment);
G_UNLOCK (gio_xdgmime);
-
+
if (comment != NULL)
return comment;
comment = load_comment_for_mime (type);
-
+
G_LOCK (gio_xdgmime);
g_hash_table_insert (type_comment_cache,
- g_strdup (type),
- g_strdup (comment));
+ g_strdup (type),
+ g_strdup (comment));
G_UNLOCK (gio_xdgmime);
return comment;
@@ -720,12 +378,13 @@ g_content_type_get_description (const char *type)
/**
* g_content_type_get_mime_type:
- * @type: a content type string.
- *
- * Gets the mime-type for the content type. If one is registered
- *
- * Returns: the registered mime-type for the given @type, or NULL if unknown.
- **/
+ * @type: a content type string
+ *
+ * Gets the mime type for the content type, if one is registered.
+ *
+ * Returns: (nullable): the registered mime type for the given @type,
+ * or %NULL if unknown.
+ */
char *
g_content_type_get_mime_type (const char *type)
{
@@ -734,76 +393,148 @@ g_content_type_get_mime_type (const char *type)
return g_strdup (type);
}
-/**
- * g_content_type_get_icon:
- * @type: a content type string.
- *
- * Gets the icon for a content type.
- *
- * Returns: #GIcon corresponding to the content type.
- **/
-GIcon *
-g_content_type_get_icon (const char *type)
+static GIcon *
+g_content_type_get_icon_internal (const gchar *type,
+ gboolean symbolic)
{
- char *mimetype_icon, *generic_mimetype_icon, *q;
- char *xdg_mimetype_icon, *legacy_mimetype_icon;
- char *icon_names[4];
+ char *mimetype_icon;
+ char *generic_mimetype_icon = NULL;
+ char *q;
+ char *icon_names[6];
int n = 0;
- const char *p;
GIcon *themed_icon;
-
+ const char *xdg_icon;
+ int i;
+
g_return_val_if_fail (type != NULL, NULL);
-
+
G_LOCK (gio_xdgmime);
- xdg_mimetype_icon = g_strdup (xdg_mime_get_icon (type));
+ xdg_icon = xdg_mime_get_icon (type);
G_UNLOCK (gio_xdgmime);
+ if (xdg_icon)
+ icon_names[n++] = g_strdup (xdg_icon);
+
mimetype_icon = g_strdup (type);
-
while ((q = strchr (mimetype_icon, '/')) != NULL)
*q = '-';
-
- p = strchr (type, '/');
- if (p == NULL)
- p = type + strlen (type);
-
- /* Not all icons have migrated to the new icon theme spec, look for old names too */
- legacy_mimetype_icon = g_strconcat ("gnome-mime-", mimetype_icon, NULL);
-
- generic_mimetype_icon = g_malloc (p - type + strlen ("-x-generic") + 1);
- memcpy (generic_mimetype_icon, type, p - type);
- memcpy (generic_mimetype_icon + (p - type), "-x-generic", strlen ("-x-generic"));
- generic_mimetype_icon[(p - type) + strlen ("-x-generic")] = 0;
-
- if (xdg_mimetype_icon)
- icon_names[n++] = xdg_mimetype_icon;
icon_names[n++] = mimetype_icon;
- icon_names[n++] = legacy_mimetype_icon;
- icon_names[n++] = generic_mimetype_icon;
-
+
+ generic_mimetype_icon = g_content_type_get_generic_icon_name (type);
+ if (generic_mimetype_icon)
+ icon_names[n++] = generic_mimetype_icon;
+
+ if (symbolic)
+ {
+ for (i = 0; i < n; i++)
+ {
+ icon_names[n + i] = icon_names[i];
+ icon_names[i] = g_strconcat (icon_names[i], "-symbolic", NULL);
+ }
+
+ n += n;
+ }
+
themed_icon = g_themed_icon_new_from_names (icon_names, n);
-
- g_free (xdg_mimetype_icon);
- g_free (mimetype_icon);
- g_free (legacy_mimetype_icon);
- g_free (generic_mimetype_icon);
-
+
+ for (i = 0; i < n; i++)
+ g_free (icon_names[i]);
+
return themed_icon;
}
/**
+ * g_content_type_get_icon:
+ * @type: a content type string
+ *
+ * Gets the icon for a content type.
+ *
+ * Returns: (transfer full): #GIcon corresponding to the content type. Free the returned
+ * object with g_object_unref()
+ */
+GIcon *
+g_content_type_get_icon (const gchar *type)
+{
+ return g_content_type_get_icon_internal (type, FALSE);
+}
+
+/**
+ * g_content_type_get_symbolic_icon:
+ * @type: a content type string
+ *
+ * Gets the symbolic icon for a content type.
+ *
+ * Returns: (transfer full): symbolic #GIcon corresponding to the content type.
+ * Free the returned object with g_object_unref()
+ *
+ * Since: 2.34
+ */
+GIcon *
+g_content_type_get_symbolic_icon (const gchar *type)
+{
+ return g_content_type_get_icon_internal (type, TRUE);
+}
+
+/**
+ * g_content_type_get_generic_icon_name:
+ * @type: a content type string
+ *
+ * Gets the generic icon name for a content type.
+ *
+ * See the
+ * [shared-mime-info](http://www.freedesktop.org/wiki/Specifications/shared-mime-info-spec)
+ * specification for more on the generic icon name.
+ *
+ * Returns: (allow-none): the registered generic icon name for the given @type,
+ * or %NULL if unknown. Free with g_free()
+ *
+ * Since: 2.34
+ */
+gchar *
+g_content_type_get_generic_icon_name (const gchar *type)
+{
+ const gchar *xdg_icon_name;
+ gchar *icon_name;
+
+ G_LOCK (gio_xdgmime);
+ xdg_icon_name = xdg_mime_get_generic_icon (type);
+ G_UNLOCK (gio_xdgmime);
+
+ if (!xdg_icon_name)
+ {
+ const char *p;
+ const char *suffix = "-x-generic";
+
+ p = strchr (type, '/');
+ if (p == NULL)
+ p = type + strlen (type);
+
+ icon_name = g_malloc (p - type + strlen (suffix) + 1);
+ memcpy (icon_name, type, p - type);
+ memcpy (icon_name + (p - type), suffix, strlen (suffix));
+ icon_name[(p - type) + strlen (suffix)] = 0;
+ }
+ else
+ {
+ icon_name = g_strdup (xdg_icon_name);
+ }
+
+ return icon_name;
+}
+
+/**
* g_content_type_can_be_executable:
- * @type: a content type string.
- *
+ * @type: a content type string
+ *
* Checks if a content type can be executable. Note that for instance
* things like text files can be executables (i.e. scripts and batch files).
- *
+ *
* Returns: %TRUE if the file type corresponds to a type that
- * can be executable, %FALSE otherwise.
- **/
+ * can be executable, %FALSE otherwise.
+ */
gboolean
-g_content_type_can_be_executable (const char *type)
+g_content_type_can_be_executable (const gchar *type)
{
g_return_val_if_fail (type != NULL, FALSE);
@@ -819,30 +550,32 @@ looks_like_text (const guchar *data, gsize data_size)
{
gsize i;
char c;
-
+
for (i = 0; i < data_size; i++)
{
c = data[i];
-
+
if (g_ascii_iscntrl (c) &&
- !g_ascii_isspace (c))
- return FALSE;
+ !g_ascii_isspace (c) &&
+ c != '\b')
+ return FALSE;
}
return TRUE;
}
/**
* g_content_type_from_mime_type:
- * @mime_type: a mime type string.
+ * @mime_type: a mime type string
*
* Tries to find a content type based on the mime type name.
*
- * Returns: Newly allocated string with content type or NULL when does not know.
+ * Returns: (nullable): Newly allocated string with content type or
+ * %NULL. Free with g_free()
*
* Since: 2.18
**/
-char *
-g_content_type_from_mime_type (const char *mime_type)
+gchar *
+g_content_type_from_mime_type (const gchar *mime_type)
{
char *umime;
@@ -858,24 +591,25 @@ g_content_type_from_mime_type (const char *mime_type)
/**
* g_content_type_guess:
- * @filename: a string, or %NULL
- * @data: a stream of data, or %NULL
+ * @filename: (allow-none): a string, or %NULL
+ * @data: (allow-none) (array length=data_size): a stream of data, or %NULL
* @data_size: the size of @data
- * @result_uncertain: a flag indicating the certainty of the result
- *
- * Guesses the content type based on example data. If the function is
+ * @result_uncertain: (allow-none) (out): return location for the certainty
+ * of the result, or %NULL
+ *
+ * Guesses the content type based on example data. If the function is
* uncertain, @result_uncertain will be set to %TRUE. Either @filename
* or @data may be %NULL, in which case the guess will be based solely
* on the other argument.
- *
- * Returns: a string indicating a guessed content type for the
- * given data.
- **/
-char *
-g_content_type_guess (const char *filename,
- const guchar *data,
- gsize data_size,
- gboolean *result_uncertain)
+ *
+ * Returns: a string indicating a guessed content type for the
+ * given data. Free with g_free()
+ */
+gchar *
+g_content_type_guess (const gchar *filename,
+ const guchar *data,
+ gsize data_size,
+ gboolean *result_uncertain)
{
char *basename;
const char *name_mimetypes[10], *sniffed_mimetype;
@@ -890,9 +624,13 @@ g_content_type_guess (const char *filename,
if (result_uncertain)
*result_uncertain = FALSE;
-
+
+ /* our test suite and potentially other code used -1 in the past, which is
+ * not documented and not allowed; guard against that */
+ g_return_val_if_fail (data_size != (gsize) -1, g_strdup (XDG_MIME_TYPE_UNKNOWN));
+
G_LOCK (gio_xdgmime);
-
+
if (filename)
{
i = strlen (filename);
@@ -915,69 +653,83 @@ g_content_type_guess (const char *filename,
/* Got an extension match, and no conflicts. This is it. */
if (n_name_mimetypes == 1)
{
+ gchar *s = g_strdup (name_mimetypes[0]);
G_UNLOCK (gio_xdgmime);
- return g_strdup (name_mimetypes[0]);
+ return s;
}
-
+
if (data)
{
sniffed_mimetype = xdg_mime_get_mime_type_for_data (data, data_size, &sniffed_prio);
if (sniffed_mimetype == XDG_MIME_TYPE_UNKNOWN &&
- data &&
- looks_like_text (data, data_size))
- sniffed_mimetype = "text/plain";
+ data &&
+ looks_like_text (data, data_size))
+ sniffed_mimetype = "text/plain";
+
+ /* For security reasons we don't ever want to sniff desktop files
+ * where we know the filename and it doesn't have a .desktop extension.
+ * This is because desktop files allow executing any application and
+ * we don't want to make it possible to hide them looking like something
+ * else.
+ */
+ if (filename != NULL &&
+ strcmp (sniffed_mimetype, "application/x-desktop") == 0)
+ sniffed_mimetype = "text/plain";
}
-
+
if (n_name_mimetypes == 0)
{
if (sniffed_mimetype == XDG_MIME_TYPE_UNKNOWN &&
- result_uncertain)
- *result_uncertain = TRUE;
-
+ result_uncertain)
+ *result_uncertain = TRUE;
+
mimetype = g_strdup (sniffed_mimetype);
}
else
{
mimetype = NULL;
if (sniffed_mimetype != XDG_MIME_TYPE_UNKNOWN)
- {
- if (sniffed_prio >= 80) /* High priority sniffing match, use that */
- mimetype = g_strdup (sniffed_mimetype);
- else
- {
- /* There are conflicts between the name matches and we have a sniffed
- type, use that as a tie breaker. */
-
- for (i = 0; i < n_name_mimetypes; i++)
- {
- if ( xdg_mime_mime_type_subclass (name_mimetypes[i], sniffed_mimetype))
- {
- /* This nametype match is derived from (or the same as) the sniffed type).
- This is probably it. */
- mimetype = g_strdup (name_mimetypes[i]);
- break;
- }
- }
- }
- }
-
+ {
+ if (sniffed_prio >= 80) /* High priority sniffing match, use that */
+ mimetype = g_strdup (sniffed_mimetype);
+ else
+ {
+ /* There are conflicts between the name matches and we
+ * have a sniffed type, use that as a tie breaker.
+ */
+ for (i = 0; i < n_name_mimetypes; i++)
+ {
+ if ( xdg_mime_mime_type_subclass (name_mimetypes[i], sniffed_mimetype))
+ {
+ /* This nametype match is derived from (or the same as)
+ * the sniffed type). This is probably it.
+ */
+ mimetype = g_strdup (name_mimetypes[i]);
+ break;
+ }
+ }
+ }
+ }
+
if (mimetype == NULL)
- {
- /* Conflicts, and sniffed type was no help or not there. Guess on the first one */
- mimetype = g_strdup (name_mimetypes[0]);
- if (result_uncertain)
- *result_uncertain = TRUE;
- }
+ {
+ /* Conflicts, and sniffed type was no help or not there.
+ * Guess on the first one
+ */
+ mimetype = g_strdup (name_mimetypes[0]);
+ if (result_uncertain)
+ *result_uncertain = TRUE;
+ }
}
-
+
G_UNLOCK (gio_xdgmime);
return mimetype;
}
static void
-enumerate_mimetypes_subdir (const char *dir,
- const char *prefix,
+enumerate_mimetypes_subdir (const char *dir,
+ const char *prefix,
GHashTable *mimetypes)
{
DIR *d;
@@ -988,19 +740,19 @@ enumerate_mimetypes_subdir (const char *dir,
if (d)
{
while ((ent = readdir (d)) != NULL)
- {
- if (g_str_has_suffix (ent->d_name, ".xml"))
- {
- mimetype = g_strdup_printf ("%s/%.*s", prefix, (int) strlen (ent->d_name) - 4, ent->d_name);
- g_hash_table_insert (mimetypes, mimetype, NULL);
- }
- }
+ {
+ if (g_str_has_suffix (ent->d_name, ".xml"))
+ {
+ mimetype = g_strdup_printf ("%s/%.*s", prefix, (int) strlen (ent->d_name) - 4, ent->d_name);
+ g_hash_table_replace (mimetypes, mimetype, NULL);
+ }
+ }
closedir (d);
}
}
static void
-enumerate_mimetypes_dir (const char *dir,
+enumerate_mimetypes_dir (const char *dir,
GHashTable *mimetypes)
{
DIR *d;
@@ -1009,34 +761,36 @@ enumerate_mimetypes_dir (const char *dir,
char *name;
mimedir = g_build_filename (dir, "mime", NULL);
-
+
d = opendir (mimedir);
if (d)
{
while ((ent = readdir (d)) != NULL)
- {
- if (strcmp (ent->d_name, "packages") != 0)
- {
- name = g_build_filename (mimedir, ent->d_name, NULL);
- if (g_file_test (name, G_FILE_TEST_IS_DIR))
- enumerate_mimetypes_subdir (name, ent->d_name, mimetypes);
- g_free (name);
- }
- }
+ {
+ if (strcmp (ent->d_name, "packages") != 0)
+ {
+ name = g_build_filename (mimedir, ent->d_name, NULL);
+ if (g_file_test (name, G_FILE_TEST_IS_DIR))
+ enumerate_mimetypes_subdir (name, ent->d_name, mimetypes);
+ g_free (name);
+ }
+ }
closedir (d);
}
-
+
g_free (mimedir);
}
/**
* g_content_types_get_registered:
- *
+ *
* Gets a list of strings containing all the registered content types
- * known to the system. The list and its data should be freed using
- * @g_list_foreach(list, g_free, NULL) and @g_list_free(list)
- * Returns: #GList of the registered content types.
- **/
+ * known to the system. The list and its data should be freed using
+ * g_list_free_full (list, g_free).
+ *
+ * Returns: (element-type utf8) (transfer full): list of the registered
+ * content types
+ */
GList *
g_content_types_get_registered (void)
{
@@ -1047,7 +801,7 @@ g_content_types_get_registered (void)
int i;
GList *l;
- mimetypes = g_hash_table_new (g_str_hash, g_str_equal);
+ mimetypes = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
enumerate_mimetypes_dir (g_get_user_data_dir (), mimetypes);
dirs = g_get_system_data_dirs ();
@@ -1058,7 +812,10 @@ g_content_types_get_registered (void)
l = NULL;
g_hash_table_iter_init (&iter, mimetypes);
while (g_hash_table_iter_next (&iter, &key, NULL))
- l = g_list_prepend (l, key);
+ {
+ l = g_list_prepend (l, key);
+ g_hash_table_iter_steal (&iter);
+ }
g_hash_table_destroy (mimetypes);
@@ -1072,7 +829,7 @@ static gboolean need_reload = FALSE;
G_LOCK_DEFINE_STATIC (gio_treemagic);
-typedef struct
+typedef struct
{
gchar *path;
GFileType type;
@@ -1095,8 +852,7 @@ typedef struct
static void
tree_matchlet_free (TreeMatchlet *matchlet)
{
- g_list_foreach (matchlet->matches, (GFunc)tree_matchlet_free, NULL);
- g_list_free (matchlet->matches);
+ g_list_free_full (matchlet->matches, (GDestroyNotify) tree_matchlet_free);
g_free (matchlet->path);
g_free (matchlet->mimetype);
g_slice_free (TreeMatchlet, matchlet);
@@ -1105,8 +861,7 @@ tree_matchlet_free (TreeMatchlet *matchlet)
static void
tree_match_free (TreeMatch *match)
{
- g_list_foreach (match->matches, (GFunc)tree_matchlet_free, NULL);
- g_list_free (match->matches);
+ g_list_free_full (match->matches, (GDestroyNotify) tree_matchlet_free);
g_free (match->contenttype);
g_slice_free (TreeMatch, match);
}
@@ -1122,10 +877,10 @@ parse_header (gchar *line)
if (line[0] != '[' || line[len - 1] != ']')
return NULL;
-
+
line[len - 1] = 0;
s = strchr (line, ':');
-
+
match = g_slice_new0 (TreeMatch);
match->priority = atoi (line + 1);
match->contenttype = g_strdup (s + 1);
@@ -1134,8 +889,8 @@ parse_header (gchar *line)
}
static TreeMatchlet *
-parse_match_line (gchar *line,
- gint *depth)
+parse_match_line (gchar *line,
+ gint *depth)
{
gchar *s, *p;
TreeMatchlet *matchlet;
@@ -1144,17 +899,17 @@ parse_match_line (gchar *line,
matchlet = g_slice_new0 (TreeMatchlet);
- if (line[0] == '>')
+ if (line[0] == '>')
{
*depth = 0;
s = line;
}
- else
+ else
{
*depth = atoi (line);
s = strchr (line, '>');
}
- s += 2;
+ s += 2;
p = strchr (s, '"');
*p = 0;
@@ -1179,7 +934,7 @@ parse_match_line (gchar *line,
matchlet->non_empty = 1;
else if (strcmp (parts[i], "on-disc") == 0)
matchlet->on_disc = 1;
- else
+ else
matchlet->mimetype = g_strdup (parts[i]);
}
@@ -1204,19 +959,19 @@ insert_match (TreeMatch *match)
}
static void
-insert_matchlet (TreeMatch *match,
- TreeMatchlet *matchlet,
+insert_matchlet (TreeMatch *match,
+ TreeMatchlet *matchlet,
gint depth)
{
- if (depth == 0)
+ if (depth == 0)
match->matches = g_list_append (match->matches, matchlet);
- else
+ else
{
GList *last;
TreeMatchlet *m;
last = g_list_last (match->matches);
- if (!last)
+ if (!last)
{
tree_matchlet_free (matchlet);
g_warning ("can't insert tree matchlet at depth %d", depth);
@@ -1224,16 +979,16 @@ insert_matchlet (TreeMatch *match,
}
m = (TreeMatchlet *) last->data;
- while (--depth > 0)
+ while (--depth > 0)
{
last = g_list_last (m->matches);
- if (!last)
+ if (!last)
{
tree_matchlet_free (matchlet);
g_warning ("can't insert tree matchlet at depth %d", depth);
return;
}
-
+
m = (TreeMatchlet *) last->data;
}
m->matches = g_list_append (m->matches, matchlet);
@@ -1254,34 +1009,39 @@ read_tree_magic_from_directory (const gchar *prefix)
filename = g_build_filename (prefix, "mime", "treemagic", NULL);
- if (g_file_get_contents (filename, &text, &len, NULL))
+ if (g_file_get_contents (filename, &text, &len, NULL))
{
- if (strcmp (text, "MIME-TreeMagic") == 0)
+ if (strcmp (text, "MIME-TreeMagic") == 0)
{
lines = g_strsplit (text + strlen ("MIME-TreeMagic") + 2, "\n", 0);
match = NULL;
- for (i = 0; lines[i] && lines[i][0]; i++)
+ for (i = 0; lines[i] && lines[i][0]; i++)
{
- if (lines[i][0] == '[')
+ if (lines[i][0] == '[')
{
match = parse_header (lines[i]);
insert_match (match);
}
- else
+ else if (match != NULL)
{
matchlet = parse_match_line (lines[i], &depth);
insert_matchlet (match, matchlet, depth);
}
+ else
+ {
+ g_warning ("%s: header corrupt; skipping\n", filename);
+ break;
+ }
}
-
+
g_strfreev (lines);
}
- else
+ else
g_warning ("%s: header not found, skipping\n", filename);
g_free (text);
}
-
+
g_free (filename);
}
@@ -1292,11 +1052,10 @@ xdg_mime_reload (void *user_data)
need_reload = TRUE;
}
-static void
+static void
tree_magic_shutdown (void)
{
- g_list_foreach (tree_matches, (GFunc)tree_match_free, NULL);
- g_list_free (tree_matches);
+ g_list_free_full (tree_matches, (GDestroyNotify) tree_match_free);
tree_matches = NULL;
}
@@ -1308,7 +1067,7 @@ tree_magic_init (void)
const gchar * const * dirs;
int i;
- if (!initialized)
+ if (!initialized)
{
initialized = TRUE;
@@ -1316,7 +1075,7 @@ tree_magic_init (void)
need_reload = TRUE;
}
- if (need_reload)
+ if (need_reload)
{
need_reload = FALSE;
@@ -1332,7 +1091,7 @@ tree_magic_init (void)
/* a filtering enumerator */
-typedef struct
+typedef struct
{
gchar *path;
gint depth;
@@ -1344,8 +1103,8 @@ typedef struct
} Enumerator;
static gboolean
-component_match (Enumerator *e,
- gint depth,
+component_match (Enumerator *e,
+ gint depth,
const gchar *name)
{
gchar *case_folded, *key;
@@ -1369,38 +1128,38 @@ component_match (Enumerator *e,
}
static GFile *
-next_match_recurse (Enumerator *e,
+next_match_recurse (Enumerator *e,
gint depth)
{
GFile *file;
GFileInfo *info;
const gchar *name;
- while (TRUE)
+ while (TRUE)
{
- if (e->enumerators[depth] == NULL)
+ if (e->enumerators[depth] == NULL)
{
- if (depth > 0)
+ if (depth > 0)
{
file = next_match_recurse (e, depth - 1);
- if (file)
+ if (file)
{
e->children[depth] = file;
e->enumerators[depth] = g_file_enumerate_children (file,
G_FILE_ATTRIBUTE_STANDARD_NAME,
G_FILE_QUERY_INFO_NONE,
- NULL,
- NULL);
+ NULL,
+ NULL);
}
}
if (e->enumerators[depth] == NULL)
return NULL;
}
- while ((info = g_file_enumerator_next_file (e->enumerators[depth], NULL, NULL)))
+ while ((info = g_file_enumerator_next_file (e->enumerators[depth], NULL, NULL)))
{
name = g_file_info_get_name (info);
- if (component_match (e, depth, name))
+ if (component_match (e, depth, name))
{
file = g_file_get_child (e->children[depth], name);
g_object_unref (info);
@@ -1424,7 +1183,7 @@ enumerator_next (Enumerator *e)
static Enumerator *
enumerator_new (GFile *root,
- const char *path,
+ const char *path,
gboolean ignore_case)
{
Enumerator *e;
@@ -1437,15 +1196,15 @@ enumerator_new (GFile *root,
e->components = g_strsplit (e->path, G_DIR_SEPARATOR_S, -1);
e->depth = g_strv_length (e->components);
- if (e->ignore_case)
+ if (e->ignore_case)
{
e->case_components = g_new0 (char *, e->depth + 1);
- for (i = 0; e->components[i]; i++)
+ for (i = 0; e->components[i]; i++)
{
case_folded = g_utf8_casefold (e->components[i], -1);
e->case_components[i] = g_utf8_collate_key (case_folded, -1);
g_free (case_folded);
- }
+ }
}
e->children = g_new0 (GFile *, e->depth);
@@ -1465,9 +1224,9 @@ enumerator_free (Enumerator *e)
{
gint i;
- for (i = 0; i < e->depth; i++)
- {
- if (e->enumerators[i])
+ for (i = 0; i < e->depth; i++)
+ {
+ if (e->enumerators[i])
g_object_unref (e->enumerators[i]);
if (e->children[i])
g_object_unref (e->children[i]);
@@ -1494,13 +1253,13 @@ matchlet_match (TreeMatchlet *matchlet,
GList *l;
e = enumerator_new (root, matchlet->path, !matchlet->match_case);
-
- do
+
+ do
{
file = enumerator_next (e);
- if (!file)
+ if (!file)
{
- enumerator_free (e);
+ enumerator_free (e);
return FALSE;
}
@@ -1511,67 +1270,68 @@ matchlet_match (TreeMatchlet *matchlet,
else
attrs = G_FILE_ATTRIBUTE_STANDARD_TYPE ","
G_FILE_ATTRIBUTE_ACCESS_CAN_EXECUTE;
- info = g_file_query_info (file,
+ info = g_file_query_info (file,
attrs,
G_FILE_QUERY_INFO_NONE,
NULL,
NULL);
- if (info)
+ if (info)
{
result = TRUE;
if (matchlet->type != G_FILE_TYPE_UNKNOWN &&
- g_file_info_get_file_type (info) != matchlet->type)
+ g_file_info_get_file_type (info) != matchlet->type)
result = FALSE;
if (matchlet->executable &&
!g_file_info_get_attribute_boolean (info, G_FILE_ATTRIBUTE_ACCESS_CAN_EXECUTE))
result = FALSE;
- }
- else
+ }
+ else
result = FALSE;
- if (result && matchlet->non_empty)
+ if (result && matchlet->non_empty)
{
GFileEnumerator *child_enum;
GFileInfo *child_info;
- child_enum = g_file_enumerate_children (file,
+ child_enum = g_file_enumerate_children (file,
G_FILE_ATTRIBUTE_STANDARD_NAME,
G_FILE_QUERY_INFO_NONE,
NULL,
NULL);
-
- if (child_enum)
+
+ if (child_enum)
{
child_info = g_file_enumerator_next_file (child_enum, NULL, NULL);
if (child_info)
g_object_unref (child_info);
- else
- result = FALSE;
+ else
+ result = FALSE;
g_object_unref (child_enum);
}
- else
+ else
result = FALSE;
}
-
- if (result && matchlet->mimetype)
+
+ if (result && matchlet->mimetype)
{
- if (strcmp (matchlet->mimetype, g_file_info_get_content_type (info)) != 0)
+ if (strcmp (matchlet->mimetype, g_file_info_get_content_type (info)) != 0)
result = FALSE;
}
-
- g_object_unref (info);
+
+ if (info)
+ g_object_unref (info);
g_object_unref (file);
}
while (!result);
enumerator_free (e);
-
- if (!matchlet->matches)
+
+ if (!matchlet->matches)
return TRUE;
- for (l = matchlet->matches; l; l = l->next)
+ for (l = matchlet->matches; l; l = l->next)
{
TreeMatchlet *submatchlet;
@@ -1589,11 +1349,11 @@ match_match (TreeMatch *match,
GPtrArray *types)
{
GList *l;
-
- for (l = match->matches; l; l = l->next)
+
+ for (l = match->matches; l; l = l->next)
{
TreeMatchlet *matchlet = l->data;
- if (matchlet_match (matchlet, root))
+ if (matchlet_match (matchlet, root))
{
g_ptr_array_add (types, g_strdup (match->contenttype));
break;
@@ -1610,18 +1370,20 @@ match_match (TreeMatch *match,
* of content types, with the best guess coming first.
*
* The types returned all have the form x-content/foo, e.g.
- * x-content/audio-cdda (for audio CDs) or x-content/image-dcf
- * (for a camera memory card). See the shared-mime-info
+ * x-content/audio-cdda (for audio CDs) or x-content/image-dcf
+ * (for a camera memory card). See the
+ * [shared-mime-info](http://www.freedesktop.org/wiki/Specifications/shared-mime-info-spec)
* specification for more on x-content types.
*
- * This function is useful in the implementation of g_mount_guess_content_type().
+ * This function is useful in the implementation of
+ * g_mount_guess_content_type().
*
- * Returns: an %NULL-terminated array of zero or more content types, or %NULL.
- * Free with g_strfreev()
+ * Returns: (transfer full) (array zero-terminated=1): an %NULL-terminated
+ * array of zero or more content types. Free with g_strfreev()
*
* Since: 2.18
*/
-char **
+gchar **
g_content_type_guess_for_tree (GFile *root)
{
GPtrArray *types;
@@ -1632,7 +1394,7 @@ g_content_type_guess_for_tree (GFile *root)
G_LOCK (gio_treemagic);
tree_magic_init ();
- for (l = tree_matches; l; l = l->next)
+ for (l = tree_matches; l; l = l->next)
{
TreeMatch *match = l->data;
match_match (match, root, types);
@@ -1642,10 +1404,5 @@ g_content_type_guess_for_tree (GFile *root)
g_ptr_array_add (types, NULL);
- return (char **)g_ptr_array_free (types, FALSE);
+ return (gchar **)g_ptr_array_free (types, FALSE);
}
-
-#endif /* Unix version */
-
-#define __G_CONTENT_TYPE_C__
-#include "gioaliasdef.c"