/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* e-xml-utils.c
* Copyright (C) 2000 Helix Code, Inc.
* Author: Chris Lahey <clahey@helixcode.com>
*
* This library 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 library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include "e-xml-utils.h"
#include <locale.h>
#include <math.h>
#include <string.h>
#include <gnome-xml/parser.h>
#include <gnome-xml/xmlmemory.h>
#include "gal/util/e-i18n.h"
xmlNode *
e_xml_get_child_by_name (const xmlNode *parent, const xmlChar *child_name)
{
xmlNode *child;
g_return_val_if_fail (parent != NULL, NULL);
g_return_val_if_fail (child_name != NULL, NULL);
for (child = parent->xmlChildrenNode; child != NULL; child = child->next) {
if (xmlStrcmp (child->name, child_name) == 0) {
return child;
}
}
return NULL;
}
/* Returns the first child with the name child_name and the "lang"
* attribute that matches the current LC_MESSAGES, or else, the first
* child with the name child_name and no "lang" attribute.
*/
xmlNode *
e_xml_get_child_by_name_by_lang (const xmlNode *parent,
const xmlChar *child_name,
const gchar *lang)
{
xmlNode *child;
/* This is the default version of the string. */
xmlNode *C = NULL;
g_return_val_if_fail (parent != NULL, NULL);
g_return_val_if_fail (child_name != NULL, NULL);
if (lang == NULL) {
#ifdef HAVE_LC_MESSAGES
lang = setlocale (LC_MESSAGES, NULL);
#else
lang = setlocale (LC_CTYPE, NULL);
#endif
}
for (child = parent->xmlChildrenNode; child != NULL; child = child->next) {
if (xmlStrcmp (child->name, child_name) == 0) {
xmlChar *this_lang = xmlGetProp (child, "lang");
if (this_lang == NULL) {
C = child;
} else if (xmlStrcmp(this_lang, "lang") == 0) {
return child;
}
}
}
return C;
}
static xmlNode *
e_xml_get_child_by_name_by_lang_list_with_score (const xmlNode *parent,
const gchar *name,
GList *lang_list,
gint *best_lang_score)
{
xmlNodePtr best_node = NULL, node;
for (node = parent->xmlChildrenNode; node != NULL; node = node->next) {
xmlChar *lang;
if (node->name == NULL || strcmp (node->name, name) != 0) {
continue;
}
lang = xmlGetProp (node, "xml:lang");
if (lang != NULL) {
GList *l;
gint i;
for (l = lang_list, i = 0;
l != NULL && i < *best_lang_score;
l = l->next, i++) {
if (strcmp ((gchar *) l->data, lang) == 0) {
best_node = node;
*best_lang_score = i;
}
}
} else {
if (best_node == NULL) {
best_node = node;
}
}
xmlFree (lang);
if (*best_lang_score == 0) {
return best_node;
}
}
return best_node;
}
/*
* e_xml_get_child_by_name_by_lang_list:
*
*/
xmlNode *
e_xml_get_child_by_name_by_lang_list (const xmlNode *parent,
const gchar *name,
GList *lang_list)
{
gint best_lang_score = INT_MAX;
g_return_val_if_fail (parent != NULL, NULL);
g_return_val_if_fail (name != NULL, NULL);
if (lang_list == NULL) {
lang_list = gnome_i18n_get_language_list ("LC_MESSAGES");
}
return e_xml_get_child_by_name_by_lang_list_with_score
(parent,name,
lang_list,
&best_lang_score);
}
/*
* e_xml_get_child_by_name_no_lang
*
*/
xmlNode *
e_xml_get_child_by_name_no_lang (const xmlNode *parent, const gchar *name)
{
xmlNodePtr node;
g_return_val_if_fail (parent != NULL, NULL);
g_return_val_if_fail (name != NULL, NULL);
for (node = parent->xmlChildrenNode; node != NULL; node = node->next) {
xmlChar *lang;
if (node->name == NULL || strcmp (node->name, name) != 0) {
continue;
}
lang = xmlGetProp (node, "xml:lang");
if (lang == NULL) {
return node;
}
xmlFree (lang);
}
return NULL;
}
gint
e_xml_get_integer_prop_by_name (const xmlNode *parent, const xmlChar *prop_name)
{
g_return_val_if_fail (parent != NULL, 0);
g_return_val_if_fail (prop_name != NULL, 0);
return e_xml_get_integer_prop_by_name_with_default (parent, prop_name, 0);
}
gint
e_xml_get_integer_prop_by_name_with_default (const xmlNode *parent,
const xmlChar *prop_name,
gint def)
{
xmlChar *prop;
gint ret_val = def;
g_return_val_if_fail (parent != NULL, 0);
g_return_val_if_fail (prop_name != NULL, 0);
prop = xmlGetProp ((xmlNode *) parent, prop_name);
if (prop != NULL) {
(void) sscanf (prop, "%d", &ret_val);
xmlFree (prop);
}
return ret_val;
}
void
e_xml_set_integer_prop_by_name (xmlNode *parent,
const xmlChar *prop_name,
gint value)
{
gchar *valuestr;
g_return_if_fail (parent != NULL);
g_return_if_fail (prop_name != NULL);
valuestr = g_strdup_printf ("%d", value);
xmlSetProp (parent, prop_name, valuestr);
g_free (valuestr);
}
guint
e_xml_get_uint_prop_by_name (const xmlNode *parent, const xmlChar *prop_name)
{
g_return_val_if_fail (parent != NULL, 0);
g_return_val_if_fail (prop_name != NULL, 0);
return e_xml_get_uint_prop_by_name_with_default (parent, prop_name, 0);
}
guint
e_xml_get_uint_prop_by_name_with_default (const xmlNode *parent,
const xmlChar *prop_name,
guint def)
{
xmlChar *prop;
guint ret_val = def;
g_return_val_if_fail (parent != NULL, 0);
g_return_val_if_fail (prop_name != NULL, 0);
prop = xmlGetProp ((xmlNode *) parent, prop_name);
if (prop != NULL) {
(void) sscanf (prop, "%u", &ret_val);
xmlFree (prop);
}
return ret_val;
}
void
e_xml_set_uint_prop_by_name (xmlNode *parent,
const xmlChar *prop_name,
guint value)
{
gchar *valuestr;
g_return_if_fail (parent != NULL);
g_return_if_fail (prop_name != NULL);
valuestr = g_strdup_printf ("%u", value);
xmlSetProp (parent, prop_name, valuestr);
g_free (valuestr);
}
gboolean
e_xml_get_bool_prop_by_name (const xmlNode *parent,
const xmlChar *prop_name)
{
g_return_val_if_fail (parent != NULL, 0);
g_return_val_if_fail (prop_name != NULL, 0);
return e_xml_get_bool_prop_by_name_with_default (parent,
prop_name,
FALSE);
}
gboolean
e_xml_get_bool_prop_by_name_with_default(const xmlNode *parent,
const xmlChar *prop_name,
gboolean def)
{
xmlChar *prop;
gboolean ret_val = def;
g_return_val_if_fail (parent != NULL, 0);
g_return_val_if_fail (prop_name != NULL, 0);
prop = xmlGetProp ((xmlNode *) parent, prop_name);
if (prop != NULL) {
if (g_strcasecmp (prop, "true") == 0) {
ret_val = TRUE;
} else if (g_strcasecmp (prop, "false") == 0) {
ret_val = FALSE;
}
xmlFree(prop);
}
return ret_val;
}
void
e_xml_set_bool_prop_by_name (xmlNode *parent, const xmlChar *prop_name, gboolean value)
{
g_return_if_fail (parent != NULL);
g_return_if_fail (prop_name != NULL);
if (value) {
xmlSetProp (parent, prop_name, "true");
} else {
xmlSetProp (parent, prop_name, "false");
}
}
gdouble
e_xml_get_double_prop_by_name (const xmlNode *parent, const xmlChar *prop_name)
{
g_return_val_if_fail (parent != NULL, 0);
g_return_val_if_fail (prop_name != NULL, 0);
return e_xml_get_double_prop_by_name_with_default (parent, prop_name, 0.0);
}
gdouble
e_xml_get_double_prop_by_name_with_default (const xmlNode *parent, const xmlChar *prop_name, gdouble def)
{
xmlChar *prop;
gdouble ret_val = def;
g_return_val_if_fail (parent != NULL, 0);
g_return_val_if_fail (prop_name != NULL, 0);
prop = xmlGetProp ((xmlNode *) parent, prop_name);
if (prop != NULL) {
(void) sscanf (prop, "%lf", &ret_val);
xmlFree (prop);
}
return ret_val;
}
void
e_xml_set_double_prop_by_name(xmlNode *parent, const xmlChar *prop_name, gdouble value)
{
gchar *valuestr;
g_return_if_fail (parent != NULL);
g_return_if_fail (prop_name != NULL);
if (fabs (value) < 1e9 && fabs (value) > 1e-5) {
valuestr = g_strdup_printf ("%f", value);
} else {
valuestr = g_strdup_printf ("%.*g", DBL_DIG, value);
}
xmlSetProp (parent, prop_name, valuestr);
g_free (valuestr);
}
gchar *
e_xml_get_string_prop_by_name (const xmlNode *parent, const xmlChar *prop_name)
{
g_return_val_if_fail (parent != NULL, 0);
g_return_val_if_fail (prop_name != NULL, 0);
return e_xml_get_string_prop_by_name_with_default (parent, prop_name, NULL);
}
gchar *
e_xml_get_string_prop_by_name_with_default (const xmlNode *parent, const xmlChar *prop_name, const gchar *def)
{
xmlChar *prop;
gchar *ret_val;
g_return_val_if_fail (parent != NULL, 0);
g_return_val_if_fail (prop_name != NULL, 0);
prop = xmlGetProp ((xmlNode *) parent, prop_name);
if (prop != NULL) {
ret_val = g_strdup (prop);
xmlFree (prop);
} else {
ret_val = g_strdup (def);
}
return ret_val;
}
void
e_xml_set_string_prop_by_name (xmlNode *parent, const xmlChar *prop_name, const gchar *value)
{
g_return_if_fail (parent != NULL);
g_return_if_fail (prop_name != NULL);
if (value != NULL) {
xmlSetProp (parent, prop_name, value);
}
}
gchar *
e_xml_get_translated_string_prop_by_name (const xmlNode *parent, const xmlChar *prop_name)
{
xmlChar *prop;
gchar *ret_val = NULL;
gchar *combined_name;
g_return_val_if_fail (parent != NULL, 0);
g_return_val_if_fail (prop_name != NULL, 0);
prop = xmlGetProp ((xmlNode *) parent, prop_name);
if (prop != NULL) {
ret_val = g_strdup (prop);
xmlFree (prop);
return ret_val;
}
combined_name = g_strdup_printf("_%s", prop_name);
prop = xmlGetProp ((xmlNode *) parent, combined_name);
if (prop != NULL) {
ret_val = g_strdup (gettext(prop));
xmlFree (prop);
}
g_free(combined_name);
return ret_val;
}
