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kamailio/lib/xcap/xml_utils.c

144 lines
3.3 KiB

/*
* Copyright (C) 2005 iptelorg GmbH
*
* This file is part of ser, a free SIP server.
*
* ser 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
*
* For a license to use the ser software under conditions
* other than those described here, or to purchase support for this
* software, please contact iptel.org by e-mail at the following addresses:
* info@iptel.org
*
* ser 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <libxml/parser.h>
#include <libxml/tree.h>
#include <cds/logger.h>
#include <xcap/xml_utils.h>
int xml_parser_flags = XML_PARSE_NOERROR | XML_PARSE_NOWARNING;
static int str2int(const char *s, int *dst)
{
/* if not null sets the given integer to value */
if (!s) {
*dst = 0;
return -1;
}
else *dst = atoi(s);
return 0;
}
int get_int_attr(xmlNode *n, const char *attr_name, int *dst)
{
const char *s = get_attr_value(find_attr(n->properties, attr_name));
if (!s) return 1;
return str2int(s, dst);
}
int get_str_attr(xmlNode *n, const char *attr_name, str_t *dst)
{
const char *s = get_attr_value(find_attr(n->properties, attr_name));
if (!s) {
str_clear(dst);
return 1;
}
else return str_dup_zt(dst, s);
}
int xmlstrcmp(const xmlChar *xmls, const char *name)
{
if (!xmls) return -1;
if (!name) return 1;
return strcmp((const char*)xmls, name);
}
/* xmlNode *find_node(xmlNode *parent, const char *name) */
xmlNode *find_node(xmlNode *parent, const char *name, const char *nspace)
{
if (!parent) return NULL;
xmlNode *n = parent->children;
while (n) {
if (cmp_node(n, name, nspace) >= 0) break;
n = n->next;
}
return n;
}
const char *find_value(xmlNode *first_child)
{
const char *s = NULL;
xmlNode *c = first_child;
while (c) {
if (c->type == XML_TEXT_NODE) {
if (c->content) s = (const char *)c->content;
break;
}
c = c->next;
}
return s;
}
const char *get_node_value(xmlNode *n)
{
if (!n) return NULL;
return find_value(n->children);
}
xmlAttr *find_attr(xmlAttr *first, const char *name)
{
xmlAttr *a = first;
while (a) {
if (xmlstrcmp(a->name, name) == 0) break;
a = a->next;
}
return a;
}
const char *get_attr_value(xmlAttr *a)
{
if (!a) return NULL;
return find_value(a->children);
}
int cmp_node(xmlNode *node, const char *name, const char *nspace)
{
if (!node) return -1;
if (node->type != XML_ELEMENT_NODE) return -1;
if (xmlstrcmp(node->name, name) != 0) return -1;
if (!nspace) return 0;
if (!node->ns) {
/* DEBUG_LOG("nemam NS!!!!!!!\n"); */
return 1;
}
if (xmlstrcmp(node->ns->href, nspace) == 0) return 0;
return -1;
}
time_t xmltime2time(const char *xt)
{
/* TODO: translate XML time in input parametr to time_t structure */
ERROR_LOG("can't translate xmltime to time_t: not finished yet!\n");
return 0;
}