Function xmlParserInputBufferCreateFilenameInt

ThirdParty/libxml2/vtklibxml2/xmlIO.c:1575–1627

* xmlParserInputBufferCreateFilenameInt: * @URI: the filename or URI * @enc: encoding enum (deprecated) * @out: pointer to resulting input buffer * * Returns an xmlParserErrors code. */

 * Returns an xmlParserErrors code.
 */
static int
xmlParserInputBufferCreateFilenameInt(const char *URI, xmlCharEncoding enc,
                                      xmlParserInputBufferPtr *out) {
    xmlParserInputBufferPtr buf;
    int ret;
    int i;

    xmlInitParser();

    *out = NULL;
    if (URI == NULL)
        return(XML_ERR_ARGUMENT);

    /*
     * Allocate the Input buffer front-end.
     */
    buf = xmlAllocParserInputBuffer(enc);
    if (buf == NULL)
        return(XML_ERR_NO_MEMORY);

    /*
     * Try to find one of the input accept method accepting that scheme
     * Go in reverse to give precedence to user defined handlers.
     */
    ret = XML_IO_ENOENT;
    for (i = xmlInputCallbackNr - 1; i >= 0; i--) {
        xmlInputCallback *cb = &xmlInputCallbackTable[i];

        if (cb->matchcallback == xmlIODefaultMatch) {
            ret = xmlInputDefaultOpen(buf, URI);

            if ((ret == XML_ERR_OK) || (ret != XML_IO_ENOENT))
                break;
        } else if ((cb->matchcallback != NULL) &&
                   (cb->matchcallback(URI) != 0)) {
            buf->context = cb->opencallback(URI);
            if (buf->context != NULL) {
                buf->readcallback = cb->readcallback;
                buf->closecallback = cb->closecallback;
                ret = XML_ERR_OK;
                break;
            }
        }
    }
    if (ret != XML_ERR_OK) {
        xmlFreeParserInputBuffer(buf);
        *out = NULL;
	return(ret);
    }

    *out = buf;
    return(ret);
}

xmlParserInputBufferPtr
__xmlParserInputBufferCreateFilename(const char *URI, xmlCharEncoding enc) {