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Refactor JS code generation for adblock

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Alexander Butenko 2012-01-07 20:28:42 -04:00 committed by Christian Dywan
parent 729e960cd6
commit 835f808115
1 changed files with 17 additions and 32 deletions
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49
extensions/adblock.c
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@ -1,6 +1,6 @@
/* /*
Copyright (C) 2009-2010 Christian Dywan <christian@twotoasts.de> Copyright (C) 2009-2012 Christian Dywan <christian@twotoasts.de>
Copyright (C) 2009 Alexander Butenko <a.butenka@gmail.com> Copyright (C) 2009-2012 Alexander Butenko <a.butenka@gmail.com>
This library is free software; you can redistribute it and/or This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public modify it under the terms of the GNU Lesser General Public
@ -9,7 +9,6 @@
See the file COPYING for the full license text. See the file COPYING for the full license text.
*/ */
#include <midori/midori.h> #include <midori/midori.h>
#include <glib/gstdio.h> #include <glib/gstdio.h>
@ -55,13 +54,18 @@ adblock_reload_rules (MidoriExtension* extension,
static gchar* static gchar*
adblock_build_js (const gchar* uri) adblock_build_js (const gchar* uri)
{ {
const gchar* domain; gchar* domain;
const gchar* block; const gchar* style;
GString* subdomain; GString* subdomain;
GString* code; GString* code;
int cnt = 0, blockscnt = 0; int cnt = 0, blockscnt = 0;
gchar** subdomains; gchar** subdomains;
SoupURI* suri;
domain = midori_uri_parse_hostname (uri, NULL);
subdomains = g_strsplit (domain, ".", -1);
g_free (domain);
if (!subdomains)
return NULL;
code = g_string_new ( code = g_string_new (
"window.addEventListener ('DOMContentLoaded'," "window.addEventListener ('DOMContentLoaded',"
@ -70,32 +74,17 @@ adblock_build_js (const gchar* uri)
" return;" " return;"
" public = '"); " public = '");
suri = soup_uri_new (uri); cnt = g_strv_length (subdomains) - 1;
if (!suri)
return NULL;
domain = soup_uri_get_host (suri);
subdomains = g_strsplit (domain, ".", -1);
if (!subdomains)
{
soup_uri_free (suri);
g_string_free (code, TRUE);
return NULL;
}
while (subdomains[cnt] != NULL)
cnt++;
cnt--;
subdomain = g_string_new (subdomains [cnt]); subdomain = g_string_new (subdomains [cnt]);
g_string_prepend_c (subdomain, '.'); g_string_prepend_c (subdomain, '.');
cnt--; cnt--;
while (cnt >= 0) while (cnt >= 0)
{ {
g_string_prepend (subdomain, subdomains[cnt]); g_string_prepend (subdomain, subdomains[cnt]);
if ((block = g_hash_table_lookup (blockcssprivate, subdomain->str))) /* g_debug ("processing %s", subdomain->str); */
if ((style = g_hash_table_lookup (blockcssprivate, subdomain->str)))
{ {
g_string_append (code, block); g_string_append (code, style);
g_string_append_c (code, ','); g_string_append_c (code, ',');
blockscnt++; blockscnt++;
} }
@ -104,13 +93,9 @@ adblock_build_js (const gchar* uri)
} }
g_string_free (subdomain, TRUE); g_string_free (subdomain, TRUE);
g_strfreev (subdomains); g_strfreev (subdomains);
soup_uri_free (suri);
if (blockscnt == 0) if (blockscnt == 0)
{ return g_string_free (code, TRUE);
g_string_free (code, TRUE);
return NULL;
}
g_string_append (code, g_string_append (code,
" zz-non-existent {display: none !important}';" " zz-non-existent {display: none !important}';"
@ -1562,7 +1547,7 @@ extension_init (void)
MidoriExtension* extension = g_object_new (MIDORI_TYPE_EXTENSION, MidoriExtension* extension = g_object_new (MIDORI_TYPE_EXTENSION,
"name", _("Advertisement blocker"), "name", _("Advertisement blocker"),
"description", _("Block advertisements according to a filter list"), "description", _("Block advertisements according to a filter list"),
"version", "0.5" MIDORI_VERSION_SUFFIX, "version", "0.6" MIDORI_VERSION_SUFFIX,
"authors", "Christian Dywan <christian@twotoasts.de>", "authors", "Christian Dywan <christian@twotoasts.de>",
NULL); NULL);
midori_extension_install_string_list (extension, "filters", NULL, G_MAXSIZE); midori_extension_install_string_list (extension, "filters", NULL, G_MAXSIZE);