Function xmlTextWriterEndPI

ThirdParty/libxml2/vtklibxml2/xmlwriter.c:2462–2503

* xmlTextWriterEndPI: * @writer: the xmlTextWriterPtr * * End the current xml PI. * * 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
xmlTextWriterEndPI(xmlTextWriterPtr writer)
{
    int count;
    int sum;
    xmlLinkPtr lk;
    xmlTextWriterStackEntry *p;

    if (writer == NULL)
        return -1;

    lk = xmlListFront(writer->nodes);
    if (lk == 0)
        return 0;

    p = (xmlTextWriterStackEntry *) xmlLinkGetData(lk);
    if (p == 0)
        return 0;

    sum = 0;
    switch (p->state) {
        case XML_TEXTWRITER_PI:
        case XML_TEXTWRITER_PI_TEXT:
            count = xmlOutputBufferWriteString(writer->out, "?>");
            if (count < 0)
                return -1;
            sum += count;
            break;
        default:
            return -1;
    }

    if (writer->indent) {
        count = xmlOutputBufferWriteString(writer->out, "\n");
	if (count < 0)
	return -1;
        sum += count;
    }

    xmlListPopFront(writer->nodes);
    return sum;
}

/**
 * xmlTextWriterWriteFormatPI: