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Some tiny Adblock speed-ups with regex optimization

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This commit is contained in:
Alexander Butenko 2011-06-06 10:30:30 -04:00 committed by Christian Dywan
parent 4e656cc127
commit 5f1cd907ad
1 changed files with 20 additions and 19 deletions
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39
extensions/adblock.c
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@ -82,7 +82,8 @@ adblock_build_js (const gchar* style,
}
static gchar *
adblock_fixup_regexp (gchar* src);
adblock_fixup_regexp (const gchar* prefix,
gchar* src);
static void
adblock_init_db ()
@ -652,7 +653,7 @@ adblock_is_matched_by_key (const gchar* opts,
int pos = 0;
GList* regex_bl = NULL;
uri = adblock_fixup_regexp ((gchar*)req_uri);
uri = adblock_fixup_regexp ("", (gchar*)req_uri);
len = strlen (uri);
for (pos = len - SIGNATURE_SIZE; pos >= 0; pos--)
{
@ -1050,7 +1051,8 @@ adblock_app_add_browser_cb (MidoriApp* app,
}
static gchar *
adblock_fixup_regexp (gchar* src)
adblock_fixup_regexp (const gchar* prefix,
gchar* src)
{
gchar* dst;
GString* str;
@ -1059,7 +1061,7 @@ adblock_fixup_regexp (gchar* src)
if (!src)
return NULL;
str = g_string_new ("");
str = g_string_new (prefix);
/* lets strip first .* */
if (src[0] == '*')
@ -1167,42 +1169,41 @@ adblock_compile_regexp (GHashTable* tbl,
}
static gchar*
adblock_add_url_pattern (gchar* format,
adblock_add_url_pattern (gchar* prefix,
gchar* type,
gchar* line)
{
gchar** data;
gchar* patt;
gchar* fixed_patt;
gchar* format_patt;
gchar* opts;
g_test_timer_start ();
data = g_strsplit (line, "$", -1);
if (data && data[0] && data[1] && data[2])
{
patt = g_strdup_printf ("%s%s", data[0], data[1]);
opts = g_strdup_printf ("type=%s,regexp=%s,%s", type, patt, data[2]);
patt = g_strconcat (data[0], data[1], NULL);
opts = g_strdup_printf ("t=%s,r=%s,%s", type, patt, data[2]);
g_strfreev (data);
}
else if (data && data[0] && data[1])
{
patt = g_strdup (data[0]);
opts = g_strdup_printf ("type=%s,regexp=%s,%s", type, patt, data[1]);
patt = data[0];
opts = g_strdup_printf ("t=%s,r=%s,%s", type, patt, data[1]);
g_free (data[1]);
}
else
{
patt = g_strdup (data[0]);
opts = g_strdup_printf ("type=%s,regexp=%s", type, patt);
patt = data[0];
opts = g_strdup_printf ("t=%s,r=%s", type, patt);
}
fixed_patt = adblock_fixup_regexp (patt);
format_patt = g_strdup_printf (format, fixed_patt);
format_patt = adblock_fixup_regexp (prefix, patt);
adblock_debug ("got: %s opts %s", format_patt, opts);
adblock_compile_regexp (pattern, keys, format_patt, opts);
g_strfreev (data);
g_free (patt);
g_free (fixed_patt);
return format_patt;
}
@ -1306,14 +1307,14 @@ adblock_parse_line (gchar* line)
{
(void)*line++;
(void)*line++;
return adblock_add_url_pattern ("%s", "fulluri", line);
return adblock_add_url_pattern ("", "fulluri", line);
}
if (line[0] == '|')
{
(void)*line++;
return adblock_add_url_pattern ("^%s", "fulluri", line);
return adblock_add_url_pattern ("^", "fulluri", line);
}
return adblock_add_url_pattern ("%s", "uri", line);
return adblock_add_url_pattern ("", "uri", line);
}
static gboolean