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Simplify meta block parsing and support Glib < 2.14

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This commit is contained in:
Arnaud Renevier 2008-07-30 01:37:07 +02:00 committed by Christian Dywan
parent 630e88d9af
commit bc85edacdf
1 changed files with 90 additions and 63 deletions
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153
midori/midori-addons.c
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@ -165,21 +165,15 @@ midori_addons_init (MidoriAddons* addons)
gtk_box_pack_start (GTK_BOX (addons), addons->treeview, TRUE, TRUE, 0);
}
#define HAVE_GREGEX GLIB_CHECK_VERSION (2, 14, 0)
static gboolean
_include_exclude_from_file (const gchar* filename,
GSList** includes,
GSList** excludes)
{
GIOChannel* channel;
gchar* line;
gboolean found_meta;
#if HAVE_GREGEX
GRegex* meta_re;
GMatchInfo* match_info;
#endif
gchar* meta_name;
gchar* line;
gchar* rest_of_line;
if (!g_file_test (filename, G_FILE_TEST_IS_REGULAR | G_FILE_TEST_IS_SYMLINK))
return FALSE;
@ -189,79 +183,50 @@ _include_exclude_from_file (const gchar* filename,
return FALSE;
found_meta = FALSE;
/* FIXME: Implement this without GRegex for Glib < 2.14 */
#if HAVE_GREGEX
meta_re = g_regex_new (
"//[[:space:]]+@([^[:space:]]+)[[:space:]]+([^[:space:]]+)[[:space:]]*",
G_REGEX_OPTIMIZE, 0, NULL);
#endif
while (g_io_channel_read_line (channel, &line, NULL, NULL, NULL)
== G_IO_STATUS_NORMAL)
{
if (g_str_has_prefix (line, "// ==UserScript=="))
{
found_meta = TRUE;
g_free (line);
continue;
}
#if HAVE_GREGEX
match_info = NULL;
#endif
meta_name = NULL;
if (found_meta)
else if (found_meta)
{
if (g_str_has_prefix (line, "// ==/UserScript=="))
{
found_meta = FALSE;
g_free (line);
continue;
}
#if HAVE_GREGEX
if (g_regex_match (meta_re, line, 0, &match_info))
else if (g_str_has_prefix (line, "// @require") ||
g_str_has_prefix (line, "// @resource"))
{
meta_name = g_match_info_fetch (match_info, 1);
if (!strcmp (meta_name, "require") ||
!strcmp (meta_name, "resource"))
{
/* We don't support these, so abort here */
g_match_info_free (match_info);
g_free (meta_name);
g_free (line);
g_io_channel_shutdown (channel, false, 0);
g_regex_unref (meta_re);
g_slist_free (*includes);
g_slist_free (*excludes);
return FALSE;
}
else if (!strcmp (meta_name, "include"))
{
*includes = g_slist_prepend (*includes,
g_match_info_fetch (match_info, 2));
}
else if (!strcmp (meta_name, "exclude"))
{
*excludes = g_slist_prepend (*excludes,
g_match_info_fetch (match_info, 2));
}
}
#endif
}
else if (g_str_has_prefix (line, "// @include"))
{
rest_of_line = g_strdup (line + strlen ("// @include"));
rest_of_line = g_strstrip (rest_of_line);
*includes = g_slist_prepend (*includes, rest_of_line);
}
else if (g_str_has_prefix (line, "// @exclude"))
{
rest_of_line = g_strdup (line + strlen ("// @exclude"));
rest_of_line = g_strstrip (rest_of_line);
*excludes = g_slist_prepend (*excludes, rest_of_line);
}
}
#if HAVE_GREGEX
g_match_info_free (match_info);
#endif
g_free (meta_name);
g_free (line);
}
g_io_channel_shutdown (channel, false, 0);
g_io_channel_unref (channel);
#if HAVE_GREGEX
g_regex_unref (meta_re);
#endif
return TRUE;
}
#define HAVE_GREGEX GLIB_CHECK_VERSION (2, 14, 0)
#if HAVE_GREGEX
static gchar*
_convert_to_simple_regexp (const gchar* pattern)
{
@ -313,6 +278,35 @@ _convert_to_simple_regexp (const gchar* pattern)
}
return dest;
}
#else
static bool
_match_with_wildcard (const gchar* str,
const gchar* pattern)
{
gchar** parts;
gchar** parts_ref;
const gchar* subpart;
gchar* newsubpart;
parts = g_strsplit (pattern, "*", 0);
parts_ref = parts;
subpart = str;
do
{
newsubpart = g_strstr_len (subpart, strlen (subpart), *parts);
if (!newsubpart)
{
g_strfreev (parts_ref);
return FALSE;
}
subpart = newsubpart + strlen (*parts);
parts++;
}
while (*parts);
g_strfreev (parts_ref);
return TRUE;
}
#endif
static gboolean
_may_load_script (const gchar* uri,
@ -321,7 +315,12 @@ _may_load_script (const gchar* uri,
{
gboolean match;
GSList* list;
#if HAVE_GREGEX
gchar* re;
#else
guint uri_len;
guint pattern_len;
#endif
if (*includes)
match = FALSE;
@ -329,17 +328,32 @@ _may_load_script (const gchar* uri,
match = TRUE;
list = *includes;
#if !HAVE_GREGEX
uri_len = strlen (uri);
#endif
while (list)
{
re = _convert_to_simple_regexp (list->data);
#if HAVE_GREGEX
re = _convert_to_simple_regexp (list->data);
if (g_regex_match_simple (re, uri, 0, 0))
{
match = TRUE;
break;
}
#endif
g_free (re);
#else
pattern_len = strlen (list->data);
if (!g_ascii_strncasecmp (uri, list->data, MAX (uri_len, pattern_len)))
{
match = TRUE;
break;
}
else if (_match_with_wildcard (uri, list->data))
{
match = TRUE;
break;
}
#endif
list = list->next;
}
if (!match)
@ -349,15 +363,27 @@ _may_load_script (const gchar* uri,
list = *excludes;
while (list)
{
re = _convert_to_simple_regexp (list->data);
#if HAVE_GREGEX
re = _convert_to_simple_regexp (list->data);
if (g_regex_match_simple (re, uri, 0, 0))
{
match = FALSE;
break;
}
#endif
g_free (re);
#else
pattern_len = strlen (list->data);
if (!g_ascii_strncasecmp (uri, list->data, MAX (uri_len, pattern_len)))
{
match = FALSE;
break;
}
else if (_match_with_wildcard (uri, list->data))
{
match = FALSE;
break;
}
#endif
list = list->next;
}
return match;
@ -409,6 +435,10 @@ midori_web_widget_window_object_cleared_cb (GtkWidget* web_widget,
gchar* exception;
gchar* message;
uri = webkit_web_frame_get_uri (web_frame);
if (!uri)
return;
/* FIXME: We want to honor system installed addons as well */
addon_path = g_build_filename (g_get_user_data_dir (), PACKAGE_NAME,
_folder_for_kind (addons->kind), NULL);
@ -425,14 +455,11 @@ midori_web_widget_window_object_cleared_cb (GtkWidget* web_widget,
continue;
}
if (includes || excludes)
{
uri = webkit_web_frame_get_uri (web_frame);
if (!_may_load_script (uri, &includes, &excludes))
{
g_free (fullname);
continue;
}
}
g_slist_free (includes);
g_slist_free (excludes);
exception = NULL;