Function xmlParserInputBufferPush

ThirdParty/libxml2/vtklibxml2/xmlIO.c:2274–2314

* xmlParserInputBufferPush: * @in: a buffered parser input * @len: the size in bytes of the array. * @buf: an char array * * Push the content of the arry in the input buffer * This routine handle the I18N transcoding to internal UTF-8 * This is used when operating the parser in progressive (push) mode. * * Returns the number of chars read and stored in the buffer, or -1 * in c

 *         in case of error.
 */
int
xmlParserInputBufferPush(xmlParserInputBufferPtr in,
	                 int len, const char *buf) {
    int nbchars = 0;
    int ret;

    if (len < 0) return(0);
    if ((in == NULL) || (in->error)) return(-1);
    if (in->encoder != NULL) {
        /*
	 * Store the data in the incoming raw buffer
	 */
        if (in->raw == NULL) {
	    in->raw = xmlBufCreate();
            if (in->raw == NULL) {
                in->error = XML_ERR_NO_MEMORY;
                return(-1);
            }
	}
	ret = xmlBufAdd(in->raw, (const xmlChar *) buf, len);
	if (ret != 0) {
            in->error = XML_ERR_NO_MEMORY;
	    return(-1);
        }

	/*
	 * convert as much as possible to the parser reading buffer.
	 */
	nbchars = xmlCharEncInput(in);
	if (nbchars < 0)
	    return(-1);
    } else {
	nbchars = len;
        ret = xmlBufAdd(in->buffer, (xmlChar *) buf, nbchars);
	if (ret != 0) {
            in->error = XML_ERR_NO_MEMORY;
	    return(-1);
        }
    }
    return(nbchars);
}

/**
 * endOfInput: