Function xmlTextWriterStartElementNS

ThirdParty/libxml2/vtklibxml2/xmlwriter.c:1045–1100

* xmlTextWriterStartElementNS: * @writer: the xmlTextWriterPtr * @prefix: namespace prefix or NULL * @name: element local name * @namespaceURI: namespace URI or NULL * * Start an xml element with namespace support. * * Returns the bytes written (may be 0 because of buffering) or -1 in case of error */

 * Returns the bytes written (may be 0 because of buffering) or -1 in case of error
 */
int
xmlTextWriterStartElementNS(xmlTextWriterPtr writer,
                            const xmlChar * prefix, const xmlChar * name,
                            const xmlChar * namespaceURI)
{
    int count;
    int sum;
    xmlChar *buf;

    if ((writer == NULL) || (name == NULL) || (*name == '\0'))
        return -1;

    buf = NULL;
    if (prefix != 0) {
        buf = xmlStrdup(prefix);
        buf = xmlStrcat(buf, BAD_CAST ":");
    }
    buf = xmlStrcat(buf, name);

    sum = 0;
    count = xmlTextWriterStartElement(writer, buf);
    xmlFree(buf);
    if (count < 0)
        return -1;
    sum += count;

    if (namespaceURI != 0) {
        xmlTextWriterNsStackEntry *p = (xmlTextWriterNsStackEntry *)
        xmlMalloc(sizeof(xmlTextWriterNsStackEntry));
        if (p == 0) {
            xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                            "xmlTextWriterStartElementNS : out of memory!\n");
            return -1;
        }

        buf = xmlStrdup(BAD_CAST "xmlns");
        if (prefix != 0) {
            buf = xmlStrcat(buf, BAD_CAST ":");
            buf = xmlStrcat(buf, prefix);
        }

        p->prefix = buf;
        p->uri = xmlStrdup(namespaceURI);
        if (p->uri == 0) {
            xmlWriterErrMsg(writer, XML_ERR_NO_MEMORY,
                            "xmlTextWriterStartElementNS : out of memory!\n");
            xmlFree(p);
            return -1;
        }
        p->elem = xmlListFront(writer->nodes);

        xmlListPushFront(writer->nsstack, p);
    }

    return sum;
}

/**