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Optimize string assignments and comparisons in XBEL loading

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We can do fast string comparisons in places where we know that
strings are not NULL.

We can directly assign values to items we create ourselves.
This commit is contained in:
Christian Dywan 2009-11-30 23:21:59 +01:00
parent abba290278
commit aa5b5850c0
1 changed files with 49 additions and 65 deletions
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114
midori/midori-array.c
View file

@ -23,6 +23,8 @@
#include <libxml/tree.h>
#endif
#define katze_str_equal(str1, str2) !strcmp (str1, str2)
static void
katze_xbel_parse_info (KatzeItem* item,
xmlNodePtr cur);
@ -35,29 +37,18 @@ static KatzeItem*
katze_item_from_xmlNodePtr (xmlNodePtr cur)
{
KatzeItem* item;
xmlChar* key;
item = katze_item_new ();
key = xmlGetProp (cur, (xmlChar*)"href");
katze_item_set_uri (item, (gchar*)key);
g_free (key);
item->uri = (gchar*)xmlGetProp (cur, (xmlChar*)"href");
cur = cur->xmlChildrenNode;
while (cur)
{
if (!xmlStrcmp (cur->name, (const xmlChar*)"title"))
{
key = xmlNodeGetContent (cur);
katze_item_set_name (item, g_strstrip ((gchar*)key));
g_free (key);
}
else if (!xmlStrcmp (cur->name, (const xmlChar*)"desc"))
{
key = xmlNodeGetContent (cur);
katze_item_set_text (item, g_strstrip ((gchar*)key));
g_free (key);
}
else if (!xmlStrcmp (cur->name, (const xmlChar*)"info"))
if (katze_str_equal ((gchar*)cur->name, "title"))
item->name = g_strstrip ((gchar*)xmlNodeGetContent (cur));
else if (katze_str_equal ((gchar*)cur->name, "desc"))
item->text = g_strstrip ((gchar*)xmlNodeGetContent (cur));
else if (katze_str_equal ((gchar*)cur->name, "info"))
katze_xbel_parse_info (item, cur);
cur = cur->next;
}
@ -89,29 +80,21 @@ katze_array_from_xmlNodePtr (xmlNodePtr cur)
cur = cur->xmlChildrenNode;
while (cur)
{
if (!xmlStrcmp (cur->name, (const xmlChar*)"title"))
{
key = xmlNodeGetContent (cur);
katze_item_set_name (KATZE_ITEM (array), g_strstrip ((gchar*)key));
xmlFree (key);
}
else if (!xmlStrcmp (cur->name, (const xmlChar*)"desc"))
{
key = xmlNodeGetContent (cur);
katze_item_set_text (KATZE_ITEM (array), g_strstrip ((gchar*)key));
xmlFree (key);
}
else if (!xmlStrcmp (cur->name, (const xmlChar*)"folder"))
if (katze_str_equal ((gchar*)cur->name, "title"))
((KatzeItem*)array)->name = g_strstrip ((gchar*)xmlNodeGetContent (cur));
else if (katze_str_equal ((gchar*)cur->name, "desc"))
((KatzeItem*)array)->text = g_strstrip ((gchar*)xmlNodeGetContent (cur));
else if (katze_str_equal ((gchar*)cur->name, "folder"))
{
item = (KatzeItem*)katze_array_from_xmlNodePtr (cur);
katze_array_add_item (array, item);
}
else if (!xmlStrcmp (cur->name, (const xmlChar*)"bookmark"))
else if (katze_str_equal ((gchar*)cur->name, "bookmark"))
{
item = katze_item_from_xmlNodePtr (cur);
katze_array_add_item (array, item);
}
else if (!xmlStrcmp (cur->name, (const xmlChar*)"separator"))
else if (katze_str_equal ((gchar*)cur->name, "separator"))
{
item = katze_item_new ();
katze_array_add_item (array, item);
@ -128,7 +111,7 @@ katze_xbel_parse_info (KatzeItem* item,
cur = cur->xmlChildrenNode;
while (cur)
{
if (!xmlStrcmp (cur->name, (const xmlChar*)"metadata"))
if (katze_str_equal ((gchar*)cur->name, "metadata"))
{
xmlChar* owner = xmlGetProp (cur, (xmlChar*)"owner");
if (owner)
@ -137,7 +120,7 @@ katze_xbel_parse_info (KatzeItem* item,
/* Albeit required, "owner" is not set by MicroB */
owner = (xmlChar*)NULL;
/* FIXME: Save metadata from unknown owners */
if (!owner || !strcmp ((gchar*)owner, "http://www.twotoasts.de"))
if (!owner || katze_str_equal ((gchar*)owner, "http://www.twotoasts.de"))
{
xmlAttrPtr properties = cur->properties;
xmlNodePtr children = cur->children;
@ -145,7 +128,7 @@ katze_xbel_parse_info (KatzeItem* item,
{
xmlChar* value;
if (!xmlStrcmp (properties->name, (xmlChar*)"owner"))
if (katze_str_equal ((gchar*)properties->name, "owner"))
{
properties = properties->next;
continue;
@ -174,7 +157,7 @@ katze_xbel_parse_info (KatzeItem* item,
gchar* ns_value;
if (!owner)
ns_value = g_strdup_printf (":%s", children->name);
else if (xmlStrEqual (owner, (xmlChar*)"http://www.twotoasts.de"))
else if (katze_str_equal ((gchar*)owner, "http://www.twotoasts.de"))
ns_value = g_strdup_printf ("midori:%s", children->name);
else /* FIXME: Save metadata from unknown owners */
ns_value = g_strdup_printf (":%s", children->name);
@ -188,7 +171,7 @@ katze_xbel_parse_info (KatzeItem* item,
}
xmlFree (owner);
}
else if (g_strcmp0 ((gchar*)cur->name, "text"))
else if (!katze_str_equal ((gchar*)cur->name, "text"))
g_critical ("Unexpected element <%s> in <metadata>.", cur->name);
cur = cur->next;
}
@ -223,7 +206,7 @@ katze_array_from_xmlDocPtr (KatzeArray* array,
/* Empty document */
return FALSE;
}
if (xmlStrcmp (cur->name, (const xmlChar*)"xbel"))
if (!katze_str_equal ((gchar*)cur->name, "xbel"))
{
/* Wrong document kind */
return FALSE;
@ -232,20 +215,20 @@ katze_array_from_xmlDocPtr (KatzeArray* array,
while (cur)
{
item = NULL;
if (!xmlStrcmp (cur->name, (const xmlChar*)"folder"))
if (katze_str_equal ((gchar*)cur->name, "folder"))
item = (KatzeItem*)katze_array_from_xmlNodePtr (cur);
else if (!xmlStrcmp (cur->name, (const xmlChar*)"bookmark"))
else if (katze_str_equal ((gchar*)cur->name, "bookmark"))
item = katze_item_from_xmlNodePtr (cur);
else if (!xmlStrcmp (cur->name, (const xmlChar*)"separator"))
else if (katze_str_equal ((gchar*)cur->name, "separator"))
item = katze_item_new ();
else if (!xmlStrcmp (cur->name, (const xmlChar*)"info"))
else if (katze_str_equal ((gchar*)cur->name, "info"))
katze_xbel_parse_info (KATZE_ITEM (array), cur);
else if (!xmlStrcmp (cur->name, (xmlChar*)"title"))
else if (katze_str_equal ((gchar*)cur->name, "title"))
{
xmlNodePtr node = cur->xmlChildrenNode;
katze_item_set_name (KATZE_ITEM (array), (gchar*)node->content);
}
else if (!xmlStrcmp (cur->name, (xmlChar*)"desc"))
else if (katze_str_equal ((gchar*)cur->name, "desc"))
{
xmlNodePtr node = cur->xmlChildrenNode;
katze_item_set_text (KATZE_ITEM (array), (gchar*)node->content);
@ -305,24 +288,22 @@ katze_array_from_opera_file (KatzeArray* array,
gchar** parts = g_strsplit (line, "=", 2);
if (parts && parts[0] && parts[1])
{
if (g_str_equal (parts[0], "NAME"))
katze_item_set_name (item, parts[1]);
else if (g_str_equal (parts[0], "URL"))
katze_item_set_uri (item, parts[1]);
else if (g_str_equal (parts[0], "DESCRIPTION"))
katze_item_set_text (item, parts[1]);
else if (g_str_equal (parts[0], "CREATED"))
katze_item_set_added (item,
g_ascii_strtoull (parts[1], NULL, 10));
if (katze_str_equal (parts[0], "NAME"))
item->name = g_strdup (parts[1]);
else if (katze_str_equal (parts[0], "URL"))
item->uri = g_strdup (parts[1]);
else if (katze_str_equal (parts[0], "DESCRIPTION"))
item->text = g_strdup (parts[1]);
else if (katze_str_equal (parts[0], "CREATED"))
item->added = g_ascii_strtoull (parts[1], NULL, 10);
/* FIXME: Implement visited time
else if (g_str_equal (parts[0], "VISITED"))
katze_item_set_visited (item,
g_ascii_strtoull (parts[1], NULL, 10)); */
else if (g_str_equal (parts[0], "ON PERSONALBAR"))
else if (katze_str_equal (parts[0], "VISITED"))
item->visited = g_ascii_strtoull (parts[1], NULL, 10); */
else if (katze_str_equal (parts[0], "ON PERSONALBAR"))
katze_item_set_meta_integer (item, "toolbar",
!g_strcmp0 (parts[1], "YES") ? 1 : -1);
katze_str_equal (parts[1], "YES") ? 1 : -1);
/* FIXME: Implement websites as panels
else if (g_str_equal (parts[0], "IN PANEL"))
else if (katze_str_equal (parts[0], "IN PANEL"))
; */
}
else
@ -370,9 +351,12 @@ midori_array_from_file (KatzeArray* array,
return FALSE;
}
if (!format)
format = "";
/* Opera6 */
if (!g_strcmp0 (format, "opera")
|| (!format && g_str_has_suffix (filename, ".adr")))
if (katze_str_equal (format, "opera")
|| (!*format && g_str_has_suffix (filename, ".adr")))
{
FILE* file;
if ((file = g_fopen (filename, "r")))
@ -384,10 +368,10 @@ midori_array_from_file (KatzeArray* array,
while (fgets (line, 50, file))
{
g_strstrip (line);
if (verify == 0 && !strcmp (line, "Opera Hotlist version 2.0"))
if (verify == 0 && katze_str_equal (line, "Opera Hotlist version 2.0"))
verify++;
else if (verify == 1
&& !strcmp (line, "Options: encoding = utf8, version=3"))
&& katze_str_equal (line, "Options: encoding = utf8, version=3"))
verify++;
else if (verify == 2)
{
@ -410,8 +394,8 @@ midori_array_from_file (KatzeArray* array,
}
/* XBEL */
if (!g_strcmp0 (format, "xbel")
|| !format)
if (katze_str_equal (format, "xbel")
|| !*format)
{
xmlDocPtr doc;