Implement div, a, ul and per domain element adblock rules
element hiding is supported. And instead of creating a javascript function for each rule, we generate one script for everything. On my machine only 650 out of 4500 rules are skipped.
This commit is contained in:
Alexander Butenko
Christian Dywan
parent
cef6532429
commit
02d6f806e2
1 changed files with 68 additions and 22 deletions
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@ -28,11 +28,39 @@
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static GHashTable* pattern;
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static gchar* blockcss = NULL;
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static gchar* blockcssprivate = NULL;
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static gchar* blockscript = NULL;
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static void
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adblock_parse_file (gchar* path);
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static gchar*
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adblock_build_js (const gchar* style,
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const gchar* private)
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{
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return g_strdup_printf (
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"window.addEventListener ('DOMContentLoaded',"
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"function () {"
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"var URL = location.href;"
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"var sites = new Array(); %s;"
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"var public = '%s';"
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"for (var i in sites) {"
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"if (URL.indexOf(i) != -1) {"
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"public += sites[i];"
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"break;"
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"}}"
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"public += ' {display: none !important;}';"
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"var mystyle = document.createElement(\"style\");"
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"mystyle.setAttribute(\"type\", \"text/css\");"
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"mystyle.appendChild(document.createTextNode(public));"
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"var head = document.getElementsByTagName(\"head\")[0];"
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"if (head) head.appendChild(mystyle);"
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"else document.documentElement.insertBefore(mystyle, document.documentElement.firstChild);"
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"}, true);",
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private,
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style);
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}
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static gchar *
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adblock_fixup_regexp (gchar* src)
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{
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@ -102,7 +130,8 @@ adblock_reload_rules (MidoriExtension* extension)
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pattern = g_hash_table_new_full (g_str_hash, g_str_equal,
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(GDestroyNotify)g_free,
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(GDestroyNotify)g_regex_unref);
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katze_assign (blockcss, NULL);
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katze_assign (blockcss, g_strdup ("z-non-exist"));
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katze_assign (blockcssprivate, g_strdup (""));
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while (filters[i++] != NULL)
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{
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@ -130,6 +159,7 @@ adblock_reload_rules (MidoriExtension* extension)
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}
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g_free (filename);
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}
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katze_assign (blockscript, adblock_build_js (blockcss, blockcssprivate));
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g_strfreev (filters);
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g_free (folder);
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}
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@ -530,22 +560,6 @@ adblock_session_request_queued_cb (SoupSession* session,
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}
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#endif
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static gchar*
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adblock_build_js (gchar* style)
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{
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return g_strdup_printf (
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"window.addEventListener ('DOMContentLoaded',"
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"function () {"
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"var mystyle = document.createElement(\"style\");"
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"mystyle.setAttribute(\"type\", \"text/css\");"
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"mystyle.appendChild(document.createTextNode('%s'));"
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"var head = document.getElementsByTagName(\"head\")[0];"
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"if (head) head.appendChild(mystyle);"
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"else document.documentElement.insertBefore(mystyle, document.documentElement.firstChild);"
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"}, true);",
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style);
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}
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static void
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adblock_window_object_cleared_cb (GtkWidget* web_view,
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WebKitWebFrame* web_frame,
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@ -600,11 +614,39 @@ adblock_frame_add (gchar* line)
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(void)*line++;
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(void)*line++;
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new_blockcss = g_strdup_printf ("%s %s { display: none !important; }",
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blockcss, line);
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new_blockcss = g_strdup_printf ("%s, %s", blockcss, line);
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katze_assign (blockcss, new_blockcss);
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}
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static void
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adblock_frame_add_private (gchar* line)
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{
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gchar* new_blockcss;
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gchar** data;
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data = g_strsplit (line, "##", 2);
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if (strstr (data[0],","))
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{
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gchar** domains;
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gint max, i;
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domains = g_strsplit (data[0], ",", -1);
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for (max = i = 0; domains [i]; i++)
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{
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new_blockcss = g_strdup_printf ("%s;\nsites['%s']+=',%s'",
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blockcssprivate, g_strstrip (domains[i]), data[1]);
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katze_assign (blockcssprivate, new_blockcss);
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}
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g_strfreev (domains);
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}
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else
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{
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new_blockcss = g_strdup_printf ("%s;\nsites['%s']+=',%s'",
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blockcssprivate, data[0], data[1]);
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katze_assign (blockcssprivate, new_blockcss);
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}
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g_strfreev (data);
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}
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static gchar*
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adblock_parse_line (gchar* line)
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{
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@ -624,7 +666,8 @@ adblock_parse_line (gchar* line)
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if (strstr (line,"$"))
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return NULL;
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/* Got block hider */
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if (line[0] == '#' && line[1] == '#' && (line[2] == '.'||line[2] == '#'||line[2] == 'a'))
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if (line[0] == '#' && line[1] == '#' && (line[2] == '.' || line[2] == '#'
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|| line[2] == 'A' || line[2] == 'a' || line[2] == 'D' || line[2] == 'U'))
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{
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adblock_frame_add (line);
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return NULL;
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@ -632,9 +675,12 @@ adblock_parse_line (gchar* line)
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/* FIXME: Do we have smth else starting with ##? */
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if (line[0] == '#' && line[1] == '#')
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return NULL;
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/* FIXME: No support for per domain element hiding */
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if (strstr (line,"##"))
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{
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adblock_frame_add_private (line);
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return NULL;
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}
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/* FIXME: No support for [include] and [exclude] tags */
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if (line[0] == '[')
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return NULL;
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@ -670,7 +716,6 @@ adblock_parse_file (gchar* path)
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else
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g_hash_table_insert (pattern, parsed, regex);
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}
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katze_assign (blockscript, adblock_build_js (blockcss));
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fclose (file);
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}
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}
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@ -708,6 +753,7 @@ adblock_deactivate_cb (MidoriExtension* extension,
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midori_browser_foreach (browser, (GtkCallback)adblock_deactivate_tabs, browser);
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katze_assign (blockcss, NULL);
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katze_assign (blockcssprivate, NULL);
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g_hash_table_destroy (pattern);
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}
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