nbool wbxmlDecoder_decode(NWbxmlDecoder* decoder)
{
nbool result = N_FALSE;
WBXMLParser *wbxml_parser = NULL;
WBXMLContentHandler parse_handler = {
NULL,
NULL,
wbxml_start_element,
wbxml_end_element,
wbxml_characters,
NULL};
if (decoder->srcPos <= 0)
return N_FALSE;
wbxml_parser = wbxml_parser_create();
if (wbxml_parser) {
WBXMLError ret = WBXML_OK;
decoder->dstMax = decoder->srcMax * 2;
decoder->dst = (char*)NBK_malloc(decoder->dstMax);
decoder->dstPos = 0;
#if DEBUG_DECODER
dump_char(decoder->page, "decoding...", -1);
dump_return(decoder->page);
#endif
wbxml_parser_set_user_data(wbxml_parser, decoder);
wbxml_parser_set_content_handler(wbxml_parser, &parse_handler);
ret = wbxml_parser_parse(wbxml_parser, decoder->src, decoder->srcPos);
wbxml_parser_destroy(wbxml_parser);
#if DEBUG_DECODER
dump_char(decoder->page, "decoded!", -1);
dump_int(decoder->page, decoder->srcPos);
dump_int(decoder->page, decoder->dstPos);
dump_return(decoder->page);
#endif
if (ret == WBXML_OK)
result = N_TRUE;
}
return result;
}
WBXML_DECLARE(WBXMLError) wbxml_tree_from_wbxml(WB_UTINY *wbxml, WB_ULONG wbxml_len, WBXMLLanguage lang, WBXMLTree **tree)
{
WBXMLParser *wbxml_parser = NULL;
WB_LONG error_index = 0;
WBXMLTreeClbCtx wbxml_tree_clb_ctx;
WBXMLError ret = WBXML_OK;
WBXMLContentHandler wbxml_tree_content_handler =
{
wbxml_tree_clb_wbxml_start_document,
wbxml_tree_clb_wbxml_end_document,
wbxml_tree_clb_wbxml_start_element,
wbxml_tree_clb_wbxml_end_element,
wbxml_tree_clb_wbxml_characters,
wbxml_tree_clb_wbxml_pi
};
if (tree != NULL)
*tree = NULL;
/* Create WBXML Parser */
if((wbxml_parser = wbxml_parser_create()) == NULL) {
WBXML_ERROR((WBXML_PARSER, "Can't create WBXML Parser"));
return WBXML_ERROR_NOT_ENOUGH_MEMORY;
}
/* Init context */
wbxml_tree_clb_ctx.error = WBXML_OK;
wbxml_tree_clb_ctx.current = NULL;
if ((wbxml_tree_clb_ctx.tree = wbxml_tree_create(WBXML_LANG_UNKNOWN, WBXML_CHARSET_UNKNOWN)) == NULL) {
wbxml_parser_destroy(wbxml_parser);
WBXML_ERROR((WBXML_PARSER, "Can't create WBXML Tree"));
return WBXML_ERROR_NOT_ENOUGH_MEMORY;
}
/* Set Handlers Callbacks */
wbxml_parser_set_user_data(wbxml_parser, &wbxml_tree_clb_ctx);
wbxml_parser_set_content_handler(wbxml_parser, &wbxml_tree_content_handler);
/* Give the user the possibility to force Document Language */
if (lang != WBXML_LANG_UNKNOWN)
wbxml_parser_set_language(wbxml_parser, lang);
/** @todo Use wbxml_parser_set_meta_charset() */
/* Parse the WBXML document to WBXML Tree */
ret = wbxml_parser_parse(wbxml_parser, wbxml, wbxml_len);
if ((ret != WBXML_OK) || (wbxml_tree_clb_ctx.error != WBXML_OK))
{
error_index = wbxml_parser_get_current_byte_index(wbxml_parser);
WBXML_ERROR((WBXML_PARSER, "WBXML Parser failed at %ld - token: %x (%s)",
error_index,
wbxml[error_index],
ret != WBXML_OK ? wbxml_errors_string(ret) : wbxml_errors_string(wbxml_tree_clb_ctx.error)));
wbxml_tree_destroy(wbxml_tree_clb_ctx.tree);
}
else {
*tree = wbxml_tree_clb_ctx.tree;
}
/* Clean-up */
wbxml_parser_destroy(wbxml_parser);
if (ret != WBXML_OK)
return ret;
else
return wbxml_tree_clb_ctx.error;
}