Initial attempt at userscript include/ exclude directives
This commit is contained in:
Arnaud Renevier
Christian Dywan
parent
486aa8f5dc
commit
b85bd2d3ef
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@ -1,5 +1,6 @@
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/*
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Copyright (C) 2008 Christian Dywan <christian@twotoasts.de>
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Copyright (C) 2008 Arnaud Renevier <arenevier@fdn.fr>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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@ -18,6 +19,7 @@
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#include <webkit/webkit.h>
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#include <JavaScriptCore/JavaScript.h>
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#include <glib/gi18n.h>
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#include <string.h>
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struct _MidoriAddons
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{
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@ -163,6 +165,204 @@ midori_addons_init (MidoriAddons* addons)
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gtk_box_pack_start (GTK_BOX (addons), addons->treeview, TRUE, TRUE, 0);
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}
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#define HAVE_GREGEX GLIB_CHECK_VERSION (2, 14, 0)
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static gboolean
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_include_exclude_from_file (const gchar* filename,
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GSList** includes,
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GSList** excludes)
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{
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GIOChannel* channel;
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gchar* line;
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gboolean found_meta;
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#if HAVE_GREGEX
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GRegex* meta_re;
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GMatchInfo* match_info;
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#endif
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gchar* meta_name;
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if (!g_file_test (filename, G_FILE_TEST_IS_REGULAR | G_FILE_TEST_IS_SYMLINK))
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return FALSE;
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channel = g_io_channel_new_file (filename, "r", 0);
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if (!channel)
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return FALSE;
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found_meta = FALSE;
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/* FIXME: Implement this without GRegex for Glib < 2.14 */
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#if HAVE_GREGEX
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meta_re = g_regex_new (
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"//[[:space:]]+@([^[:space:]]+)[[:space:]]+([^[:space:]]+)[[:space:]]*",
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G_REGEX_OPTIMIZE, 0, NULL);
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#endif
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while (g_io_channel_read_line (channel, &line, NULL, NULL, NULL)
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== G_IO_STATUS_NORMAL)
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{
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if (g_str_has_prefix (line, "// ==UserScript=="))
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{
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found_meta = TRUE;
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g_free (line);
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continue;
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}
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#if HAVE_GREGEX
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match_info = NULL;
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#endif
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meta_name = NULL;
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if (found_meta)
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{
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if (g_str_has_prefix (line, "// ==/UserScript=="))
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{
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found_meta = FALSE;
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g_free (line);
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continue;
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}
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#if HAVE_GREGEX
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if (g_regex_match (meta_re, line, 0, &match_info))
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{
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meta_name = g_match_info_fetch (match_info, 1);
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if (!strcmp (meta_name, "require") ||
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!strcmp (meta_name, "resource"))
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{
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/* We don't support these, so abort here */
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g_match_info_free (match_info);
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g_free (meta_name);
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g_free (line);
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g_io_channel_shutdown (channel, false, 0);
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g_regex_unref (meta_re);
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g_slist_free (*includes);
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g_slist_free (*excludes);
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return FALSE;
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}
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else if (!strcmp (meta_name, "include"))
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{
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*includes = g_slist_prepend (*includes,
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g_match_info_fetch (match_info, 2));
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}
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else if (!strcmp (meta_name, "exclude"))
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{
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*excludes = g_slist_prepend (*excludes,
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g_match_info_fetch (match_info, 2));
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}
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}
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#endif
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}
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#if HAVE_GREGEX
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g_match_info_free (match_info);
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#endif
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g_free (meta_name);
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g_free (line);
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}
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g_io_channel_shutdown (channel, false, 0);
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g_io_channel_unref (channel);
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#if HAVE_GREGEX
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g_regex_unref (meta_re);
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#endif
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return TRUE;
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}
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static gchar*
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_convert_to_simple_regexp (const gchar* pattern)
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{
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guint len;
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gchar* dest;
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guint pos;
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guint i;
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gchar c;
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len = strlen (pattern);
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dest = g_malloc0 (len * 2 + 1);
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dest[0] = '^';
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pos = 1;
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for (i = 0; i < len; i++)
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{
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c = pattern[i];
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switch (c)
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{
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case '*':
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dest[pos] = '.';
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dest[pos + 1] = c;
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pos++;
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pos++;
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break;
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case '.' :
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case '?' :
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case '^' :
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case '$' :
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case '+' :
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case '{' :
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case '[' :
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case '|' :
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case '(' :
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case ')' :
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case ']' :
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case '\\' :
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dest[pos] = '\\';
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dest[pos + 1] = c;
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pos++;
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pos++;
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break;
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case ' ' :
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break;
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default:
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dest[pos] = pattern[i];
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pos ++;
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}
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}
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return dest;
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}
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static gboolean
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_may_load_script (const gchar* uri,
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GSList** includes,
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GSList** excludes)
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{
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gboolean match;
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GSList* list;
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gchar* re;
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if (*includes)
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match = FALSE;
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else
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match = TRUE;
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list = *includes;
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while (list)
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{
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re = _convert_to_simple_regexp (list->data);
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#if HAVE_GREGEX
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if (g_regex_match_simple (re, uri, 0, 0))
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{
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match = TRUE;
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break;
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}
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#endif
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g_free (re);
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list = list->next;
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}
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if (!match)
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{
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return FALSE;
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}
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list = *excludes;
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while (list)
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{
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re = _convert_to_simple_regexp (list->data);
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#if HAVE_GREGEX
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if (g_regex_match_simple (re, uri, 0, 0))
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{
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match = FALSE;
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break;
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}
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#endif
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g_free (re);
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list = list->next;
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}
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return match;
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}
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static gboolean
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_js_script_from_file (JSContextRef js_context,
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const gchar* filename,
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@ -199,21 +399,46 @@ midori_web_widget_window_object_cleared_cb (GtkWidget* web_widget,
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JSObjectRef js_window,
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MidoriAddons* addons)
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{
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gchar* addon_path;
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GDir* addon_dir;
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const gchar* filename;
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gchar* fullname;
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GSList* includes;
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GSList* excludes;
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const gchar* uri;
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gchar* exception;
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gchar* message;
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/* FIXME: We want to honor system installed addons as well */
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gchar* addon_path = g_build_filename (g_get_user_data_dir (), PACKAGE_NAME,
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_folder_for_kind (addons->kind), NULL);
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GDir* addon_dir = g_dir_open (addon_path, 0, NULL);
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if (addon_dir)
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addon_path = g_build_filename (g_get_user_data_dir (), PACKAGE_NAME,
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_folder_for_kind (addons->kind), NULL);
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if ((addon_dir = g_dir_open (addon_path, 0, NULL)))
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{
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const gchar* filename;
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while ((filename = g_dir_read_name (addon_dir)))
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{
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gchar* fullname = g_build_filename (addon_path, filename, NULL);
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gchar* exception;
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fullname = g_build_filename (addon_path, filename, NULL);
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includes = NULL;
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excludes = NULL;
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if (!_include_exclude_from_file (fullname, &includes, &excludes))
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{
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g_free (fullname);
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continue;
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}
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if (includes || excludes)
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{
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uri = webkit_web_frame_get_uri (web_frame);
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if (!_may_load_script (uri, &includes, &excludes))
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{
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g_free (fullname);
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continue;
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}
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}
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g_slist_free (includes);
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g_slist_free (excludes);
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exception = NULL;
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if (!_js_script_from_file (js_context, fullname, &exception))
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{
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gchar* message = g_strdup_printf ("console.error ('%s');",
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exception);
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message = g_strdup_printf ("console.error ('%s');", exception);
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gjs_script_eval (js_context, message, NULL);
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g_free (message);
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g_free (exception);
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@ -32,7 +32,6 @@ G_BEGIN_DECLS
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(G_TYPE_INSTANCE_GET_CLASS ((obj), MIDORI_TYPE_ADDONS, MidoriAddonsClass))
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typedef struct _MidoriAddons MidoriAddons;
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typedef struct _MidoriAddonsPrivate MidoriAddonsPrivate;
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typedef struct _MidoriAddonsClass MidoriAddonsClass;
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struct _MidoriAddonsClass
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@ -61,7 +60,7 @@ midori_addons_new (GtkWidget* web_widget,
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MidoriAddonKind kind);
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GtkWidget*
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midori_addons_get_toolbar (MidoriAddons* console);
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midori_addons_get_toolbar (MidoriAddons* console);
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G_END_DECLS
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