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Use relative Xpath to parse only XMLLine with presence

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This commit is contained in:
Benjamin Reis 2017-02-14 11:57:41 +01:00
parent 66cf0b624c
commit 1052d9fe49
3 changed files with 10 additions and 6 deletions
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8
coreapi/friendlist.c
View file

@ -202,7 +202,6 @@ static void linphone_friend_list_parse_multipart_related_body(LinphoneFriendList
xmlSetGenericErrorFunc(xml_ctx, linphone_xmlparsing_genericxml_error);
xml_ctx->doc = xmlReadDoc((const unsigned char*)first_part_body, 0, NULL, 0);
if (xml_ctx->doc != NULL) {
char xpath_str[MAX_XPATH_LENGTH];
LinphoneFriend *lf;
LinphoneContent *presence_part;
xmlXPathObjectPtr resource_object;
@ -253,8 +252,8 @@ static void linphone_friend_list_parse_multipart_related_body(LinphoneFriendList
if ((resource_object != NULL) && (resource_object->nodesetval != NULL)) {
for (i = 1; i <= resource_object->nodesetval->nodeNr; i++) {
const char *cid = NULL;
snprintf(xpath_str, sizeof(xpath_str),"/rlmi:list/rlmi:resource[%i]/rlmi:instance/@cid", i);
cid = linphone_get_xml_text_content(xml_ctx, xpath_str);
linphone_xml_xpath_context_set_node(xml_ctx, xmlXPathNodeSetItem(resource_object->nodesetval, i-1));
cid = linphone_get_xml_text_content(xml_ctx, "./rlmi:instance/@cid");
if (cid != NULL) {
presence_part = linphone_content_find_part_by_header(body, "Content-Id", cid);
if (presence_part == NULL) {
@ -265,8 +264,7 @@ static void linphone_friend_list_parse_multipart_related_body(LinphoneFriendList
if (presence != NULL) {
// Try to reduce CPU cost of linphone_address_new and find_friend_by_address by only doing it when we know for sure we have a presence to notify
LinphoneAddress* addr;
snprintf(xpath_str, sizeof(xpath_str), "/rlmi:list/rlmi:resource[%i]/@uri", i);
uri = linphone_get_xml_text_content(xml_ctx, xpath_str);
uri = linphone_get_xml_text_content(xml_ctx, "./@uri");
if (uri == NULL) continue;
addr = linphone_address_new(uri);
if (!addr) continue;

1
coreapi/private.h
View file

@ -1510,6 +1510,7 @@ xmlparsing_context_t * linphone_xmlparsing_context_new(void);
void linphone_xmlparsing_context_destroy(xmlparsing_context_t *ctx);
void linphone_xmlparsing_genericxml_error(void *ctx, const char *fmt, ...);
int linphone_create_xml_xpath_context(xmlparsing_context_t *xml_ctx);
void linphone_xml_xpath_context_set_node(xmlparsing_context_t *xml_ctx, xmlNodePtr node);
char * linphone_get_xml_text_content(xmlparsing_context_t *xml_ctx, const char *xpath_expression);
const char * linphone_get_xml_attribute_text_content(xmlparsing_context_t *xml_ctx, const char *xpath_expression, const char *attribute_name);
void linphone_free_xml_text_content(const char *text);

7
coreapi/xml.c
View file

@ -67,6 +67,11 @@ int linphone_create_xml_xpath_context(xmlparsing_context_t *xml_ctx) {
return 0;
}
void linphone_xml_xpath_context_set_node(xmlparsing_context_t *xml_ctx, xmlNodePtr node) {
//xmlXPathSetContextNode(node, xml_ctx->xpath_ctx);
xml_ctx->xpath_ctx->node = node;
}
char * linphone_get_xml_text_content(xmlparsing_context_t *xml_ctx, const char *xpath_expression) {
xmlXPathObjectPtr xpath_obj;
xmlChar *text = NULL;
@ -130,4 +135,4 @@ void linphone_xml_xpath_context_init_carddav_ns(xmlparsing_context_t *xml_ctx) {
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/");
}
}
}