forked from mirrors/linphone-iphone
133 lines
No EOL
4.1 KiB
C
133 lines
No EOL
4.1 KiB
C
/*
|
|
linphone
|
|
Copyright (C) 2010-2013 Belledonne Communications SARL
|
|
|
|
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
|
|
#include "private.h"
|
|
|
|
#include <libxml/xmlreader.h>
|
|
#include <libxml/xmlwriter.h>
|
|
#include <libxml/xpath.h>
|
|
#include <libxml/xpathInternals.h>
|
|
|
|
|
|
xmlparsing_context_t * linphone_xmlparsing_context_new(void) {
|
|
xmlparsing_context_t *xmlCtx = (xmlparsing_context_t *)malloc(sizeof(xmlparsing_context_t));
|
|
if (xmlCtx != NULL) {
|
|
xmlCtx->doc = NULL;
|
|
xmlCtx->xpath_ctx = NULL;
|
|
xmlCtx->errorBuffer[0] = '\0';
|
|
xmlCtx->warningBuffer[0] = '\0';
|
|
}
|
|
return xmlCtx;
|
|
}
|
|
|
|
void linphone_xmlparsing_context_destroy(xmlparsing_context_t *ctx) {
|
|
if (ctx->doc != NULL) {
|
|
xmlFreeDoc(ctx->doc);
|
|
ctx->doc = NULL;
|
|
}
|
|
if (ctx->xpath_ctx != NULL) {
|
|
xmlXPathFreeContext(ctx->xpath_ctx);
|
|
ctx->xpath_ctx = NULL;
|
|
}
|
|
free(ctx);
|
|
}
|
|
|
|
void linphone_xmlparsing_genericxml_error(void *ctx, const char *fmt, ...) {
|
|
xmlparsing_context_t *xmlCtx = (xmlparsing_context_t *)ctx;
|
|
size_t sl = strlen(xmlCtx->errorBuffer);
|
|
va_list args;
|
|
va_start(args, fmt);
|
|
vsnprintf(xmlCtx->errorBuffer + sl, XMLPARSING_BUFFER_LEN - sl, fmt, args);
|
|
va_end(args);
|
|
}
|
|
|
|
int linphone_create_xml_xpath_context(xmlparsing_context_t *xml_ctx) {
|
|
if (xml_ctx->xpath_ctx != NULL) {
|
|
xmlXPathFreeContext(xml_ctx->xpath_ctx);
|
|
}
|
|
xml_ctx->xpath_ctx = xmlXPathNewContext(xml_ctx->doc);
|
|
if (xml_ctx->xpath_ctx == NULL) return -1;
|
|
return 0;
|
|
}
|
|
|
|
char * linphone_get_xml_text_content(xmlparsing_context_t *xml_ctx, const char *xpath_expression) {
|
|
xmlXPathObjectPtr xpath_obj;
|
|
xmlChar *text = NULL;
|
|
int i;
|
|
|
|
xpath_obj = xmlXPathEvalExpression((const xmlChar *)xpath_expression, xml_ctx->xpath_ctx);
|
|
if (xpath_obj != NULL) {
|
|
if (xpath_obj->nodesetval != NULL) {
|
|
xmlNodeSetPtr nodes = xpath_obj->nodesetval;
|
|
for (i = 0; i < nodes->nodeNr; i++) {
|
|
xmlNodePtr node = nodes->nodeTab[i];
|
|
if (node->children != NULL) {
|
|
text = xmlNodeListGetString(xml_ctx->doc, node->children, 1);
|
|
}
|
|
}
|
|
}
|
|
xmlXPathFreeObject(xpath_obj);
|
|
}
|
|
|
|
return (char *)text;
|
|
}
|
|
|
|
const char * linphone_get_xml_attribute_text_content(xmlparsing_context_t *xml_ctx, const char *xpath_expression, const char *attribute_name) {
|
|
xmlXPathObjectPtr xpath_obj;
|
|
xmlChar *text = NULL;
|
|
|
|
xpath_obj = xmlXPathEvalExpression((const xmlChar *)xpath_expression, xml_ctx->xpath_ctx);
|
|
if (xpath_obj != NULL) {
|
|
if (xpath_obj->nodesetval != NULL) {
|
|
xmlNodeSetPtr nodes = xpath_obj->nodesetval;
|
|
if ((nodes != NULL) && (nodes->nodeNr >= 1)) {
|
|
xmlNodePtr node = nodes->nodeTab[0];
|
|
xmlAttr *attr = node->properties;
|
|
while (attr) {
|
|
if (strcmp((char *)attr->name, attribute_name) == 0) {
|
|
text = xmlStrcat(text, attr->children->content);
|
|
attr = NULL;
|
|
} else {
|
|
attr = attr->next;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
xmlXPathFreeObject(xpath_obj);
|
|
}
|
|
|
|
return (const char *)text;
|
|
}
|
|
|
|
void linphone_free_xml_text_content(const char *text) {
|
|
xmlFree((xmlChar *)text);
|
|
}
|
|
|
|
xmlXPathObjectPtr linphone_get_xml_xpath_object_for_node_list(xmlparsing_context_t *xml_ctx, const char *xpath_expression) {
|
|
return xmlXPathEvalExpression((const xmlChar *)xpath_expression, xml_ctx->xpath_ctx);
|
|
}
|
|
|
|
void linphone_xml_xpath_context_init_carddav_ns(xmlparsing_context_t *xml_ctx) {
|
|
if (xml_ctx && xml_ctx->xpath_ctx) {
|
|
xmlXPathRegisterNs(xml_ctx->xpath_ctx, (const xmlChar*)"d", (const xmlChar*)"DAV:");
|
|
xmlXPathRegisterNs(xml_ctx->xpath_ctx, (const xmlChar*)"card", (const xmlChar*)"urn:ietf:params:xml:ns:carddav");
|
|
xmlXPathRegisterNs(xml_ctx->xpath_ctx, (const xmlChar*)"x1", (const xmlChar*)"http://calendarserver.org/ns/");
|
|
}
|
|
} |