/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright (C) 2003-2007 Imendio AB
* Copyright (C) 2007 Collabora Ltd.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Authors: Richard Hult <richard@imendio.com>
* Martyn Russell <martyn@imendio.com>
* Xavier Claessens <xclaesse@gmail.com>
*/
#include "config.h"
#include <string.h>
#include <time.h>
#include <sys/types.h>
#include <regex.h>
#include <glib/gi18n.h>
#include <libxml/uri.h>
#include <libtelepathy/tp-helpers.h>
#include "gossip-debug.h"
#include "gossip-utils.h"
#include "empathy-contact-manager.h"
#define DEBUG_DOMAIN "Utils"
static void regex_init (void);
gchar *
gossip_substring (const gchar *str,
gint start,
gint end)
{
return g_strndup (str + start, end - start);
}
/*
* Regular Expression code to match urls.
*/
#define USERCHARS "-A-Za-z0-9"
#define PASSCHARS "-A-Za-z0-9,?;.:/!%$^*&~\"#'"
#define HOSTCHARS "-A-Za-z0-9"
#define PATHCHARS "-A-Za-z0-9_$.+!*(),;:@&=?/~#%"
#define SCHEME "(news:|telnet:|nntp:|file:/|https?:|ftps?:|webcal:)"
#define USER "[" USERCHARS "]+(:["PASSCHARS "]+)?"
#define URLPATH "/[" PATHCHARS "]*[^]'.}>) \t\r\n,\\\"]"
static regex_t dingus[GOSSIP_REGEX_ALL];
static void
regex_init (void)
{
static gboolean inited = FALSE;
const gchar *expression;
gint i;
if (inited) {
return;
}
for (i = 0; i < GOSSIP_REGEX_ALL; i++) {
switch (i) {
case GOSSIP_REGEX_AS_IS:
expression =
SCHEME "//(" USER "@)?[" HOSTCHARS ".]+"
"(:[0-9]+)?(" URLPATH ")?";
break;
case GOSSIP_REGEX_BROWSER:
expression =
"(www|ftp)[" HOSTCHARS "]*\\.[" HOSTCHARS ".]+"
"(:[0-9]+)?(" URLPATH ")?";
break;
case GOSSIP_REGEX_EMAIL:
expression =
"(mailto:)?[a-z0-9][a-z0-9.-]*@[a-z0-9]"
"[a-z0-9-]*(\\.[a-z0-9][a-z0-9-]*)+";
break;
case GOSSIP_REGEX_OTHER:
expression =
"news:[-A-Z\\^_a-z{|}~!\"#$%&'()*+,./0-9;:=?`]+"
"@[" HOSTCHARS ".]+(:[0-9]+)?";
break;
default:
/* Silence the compiler. */
expression = NULL;
continue;
}
memset (&dingus[i], 0, sizeof (regex_t));
regcomp (&dingus[i], expression, REG_EXTENDED | REG_ICASE);
}
inited = TRUE;
}
gint
gossip_regex_match (GossipRegExType type,
const gchar *msg,
GArray *start,
GArray *end)
{
regmatch_t matches[1];
gint ret = 0;
gint num_matches = 0;
gint offset = 0;
gint i;
g_return_val_if_fail (type >= 0 || type <= GOSSIP_REGEX_ALL, 0);
regex_init ();
while (!ret && type != GOSSIP_REGEX_ALL) {
ret = regexec (&dingus[type], msg + offset, 1, matches, 0);
if (ret == 0) {
gint s;
num_matches++;
s = matches[0].rm_so + offset;
offset = matches[0].rm_eo + offset;
g_array_append_val (start, s);
g_array_append_val (end, offset);
}
}
if (type != GOSSIP_REGEX_ALL) {
gossip_debug (DEBUG_DOMAIN,
"Found %d matches for regex type:%d",
num_matches, type);
return num_matches;
}
/* If GOSSIP_REGEX_ALL then we run ALL regex's on the string. */
for (i = 0; i < GOSSIP_REGEX_ALL; i++, ret = 0) {
while (!ret) {
ret = regexec (&dingus[i], msg + offset, 1, matches, 0);
if (ret == 0) {
gint s;
num_matches++;
s = matches[0].rm_so + offset;
offset = matches[0].rm_eo + offset;
g_array_append_val (start, s);
g_array_append_val (end, offset);
}
}
}
gossip_debug (DEBUG_DOMAIN,
"Found %d matches for ALL regex types",
num_matches);
return num_matches;
}
gint
gossip_strcasecmp (const gchar *s1,
const gchar *s2)
{
return gossip_strncasecmp (s1, s2, -1);
}
gint
gossip_strncasecmp (const gchar *s1,
const gchar *s2,
gsize n)
{
gchar *u1, *u2;
gint ret_val;
u1 = g_utf8_casefold (s1, n);
u2 = g_utf8_casefold (s2, n);
ret_val = g_utf8_collate (u1, u2);
g_free (u1);
g_free (u2);
return ret_val;
}
gboolean
gossip_xml_validate (xmlDoc *doc,
const gchar *dtd_filename)
{
gchar *path, *escaped;
xmlValidCtxt cvp;
xmlDtd *dtd;
gboolean ret;
path = g_build_filename (DATADIR, "empathy", dtd_filename, NULL);
/* The list of valid chars is taken from libxml. */
escaped = xmlURIEscapeStr (path, ":@&=+$,/?;");
g_free (path);
memset (&cvp, 0, sizeof (cvp));
dtd = xmlParseDTD (NULL, escaped);
ret = xmlValidateDtd (&cvp, doc, dtd);
xmlFree (escaped);
xmlFreeDtd (dtd);
return ret;
}
xmlNodePtr
gossip_xml_node_get_child (xmlNodePtr node,
const gchar *child_name)
{
xmlNodePtr l;
g_return_val_if_fail (node != NULL, NULL);
g_return_val_if_fail (child_name != NULL, NULL);
for (l = node->children; l; l = l->next) {
if (l->name && strcmp (l->name, child_name) == 0) {
return l;
}
}
return NULL;
}
xmlChar *
gossip_xml_node_get_child_content (xmlNodePtr node,
const gchar *child_name)
{
xmlNodePtr l;
g_return_val_if_fail (node != NULL, NULL);
g_return_val_if_fail (child_name != NULL, NULL);
l = gossip_xml_node_get_child (node, child_name);
if (l) {
return xmlNodeGetContent (l);
}
return NULL;
}
xmlNodePtr
gossip_xml_node_find_child_prop_value (xmlNodePtr node,
const gchar *prop_name,
const gchar *prop_value)
{
xmlNodePtr l;
xmlNodePtr found = NULL;
g_return_val_if_fail (node != NULL, NULL);
g_return_val_if_fail (prop_name != NULL, NULL);
g_return_val_if_fail (prop_value != NULL, NULL);
for (l = node->children; l && !found; l = l->next) {
xmlChar *prop;
if (!xmlHasProp (l, prop_name)) {
continue;
}
prop = xmlGetProp (l, prop_name);
if (prop && strcmp (prop, prop_value) == 0) {
found = l;
}
xmlFree (prop);
}
return found;
}
GType
gossip_dbus_type_to_g_type (const gchar *dbus_type_string)
{
if (dbus_type_string == NULL)
return G_TYPE_NONE;
if (dbus_type_string[0] == 's') {
return G_TYPE_STRING;
}
else if (dbus_type_string[0] == 'b') {
return G_TYPE_BOOLEAN;
}
else if (dbus_type_string[0] == 'q') {
return G_TYPE_UINT;
}
else if (dbus_type_string[0] == 'n') {
return G_TYPE_INT;
}
g_assert_not_reached ();
return G_TYPE_NONE;
}
const gchar *
gossip_g_type_to_dbus_type (GType g_type)
{
switch (g_type) {
case G_TYPE_STRING:
return "s";
case G_TYPE_BOOLEAN:
return "b";
case G_TYPE_UINT:
return "q";
case G_TYPE_INT:
return "n";
default:
g_assert_not_reached ();
}
return NULL;
}
gchar *
gossip_g_value_to_string (const GValue *value)
{
gchar *return_string = NULL;
GValue string_g_value = {0, };
g_value_init (&string_g_value, G_TYPE_STRING);
g_value_transform (value, &string_g_value);
return_string = g_value_dup_string (&string_g_value);
g_value_unset (&string_g_value);
return return_string;
}
GValue *
gossip_string_to_g_value (const gchar *str, GType type)
{
GValue *g_value;
g_value = g_new0 (GValue, 1);
g_value_init (g_value, type);
switch (type) {
case G_TYPE_STRING:
g_value_set_string (g_value, str);
break;
case G_TYPE_BOOLEAN:
g_value_set_boolean (g_value, (str[0] == 'y' || str[0] == 'T'));
break;
case G_TYPE_UINT:
g_value_set_uint (g_value, atoi (str));
break;
case G_TYPE_INT:
g_value_set_int (g_value, atoi (str));
break;
default:
g_assert_not_reached ();
}
return g_value;
}
gboolean
gossip_g_value_equal (const GValue *value1,
const GValue *value2)
{
GType type;
g_return_val_if_fail (value1 != NULL, FALSE);
g_return_val_if_fail (value2 != NULL, FALSE);
type = G_VALUE_TYPE (value1);
if (type != G_VALUE_TYPE (value2)) {
return FALSE;
}
switch (type)
{
case G_TYPE_STRING: {
const gchar *str1;
const gchar *str2;
str1 = g_value_get_string (value1);
str2 = g_value_get_string (value2);
return (str1 && str2 && strcmp (str1, str2) == 0) ||
(G_STR_EMPTY (str1) && G_STR_EMPTY (str2));
}
case G_TYPE_BOOLEAN:
return g_value_get_boolean (value1) == g_value_get_boolean (value2);
case G_TYPE_UINT:
return g_value_get_uint (value1) == g_value_get_uint (value2);
case G_TYPE_INT:
return g_value_get_int (value1) == g_value_get_int (value2);
default:
g_warning ("Unsupported GType in value comparaison");
}
return FALSE;
}
guint
gossip_account_hash (gconstpointer key)
{
return g_str_hash (mc_account_get_unique_name (MC_ACCOUNT (key)));
}
gboolean
gossip_account_equal (gconstpointer a,
gconstpointer b)
{
const gchar *name_a;
const gchar *name_b;
name_a = mc_account_get_unique_name (MC_ACCOUNT (a));
name_b = mc_account_get_unique_name (MC_ACCOUNT (b));
return g_str_equal (name_a, name_b);
}
MissionControl *
gossip_mission_control_new (void)
{
static MissionControl *mc = NULL;
if (!mc) {
mc = mission_control_new (tp_get_bus ());
g_object_add_weak_pointer (G_OBJECT (mc), (gpointer) &mc);
} else {
g_object_ref (mc);
}
return mc;
}
gchar *
gossip_get_channel_id (McAccount *account,
TpChan *tp_chan)
{
MissionControl *mc;
TpConn *tp_conn;
GArray *handles;
gchar **names;
gchar *name;
GError *error;
g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
g_return_val_if_fail (TELEPATHY_IS_CHAN (tp_chan), NULL);
mc = gossip_mission_control_new ();
tp_conn = mission_control_get_connection (mc, account, NULL);
g_object_unref (mc);
if (!tp_conn) {
return NULL;
}
/* Get the handle's name */
handles = g_array_new (FALSE, FALSE, sizeof (guint));
g_array_append_val (handles, tp_chan->handle);
if (!tp_conn_inspect_handles (DBUS_G_PROXY (tp_conn),
tp_chan->handle_type,
handles,
&names,
&error)) {
gossip_debug (DEBUG_DOMAIN,
"Couldn't get id: %s",
error ? error->message : "No error given");
g_clear_error (&error);
g_array_free (handles, TRUE);
g_object_unref (tp_conn);
return NULL;
}
name = *names;
g_free (names);
g_object_unref (tp_conn);
return name;
}
