Пример #1
0
errorCode decodeString(EXIStream* strm, String* string_val)
{
	errorCode tmp_err_code = EXIP_UNEXPECTED_ERROR;
	UnsignedInteger string_length = 0;
	DEBUG_MSG(INFO, DEBUG_STREAM_IO, (">> (string)"));
	TRY(decodeUnsignedInteger(strm, &string_length));
	TRY(allocateStringMemoryManaged(&(string_val->str),(Index) string_length, &strm->memList));

	return decodeStringOnly(strm,(Index)  string_length, string_val);
}
Пример #2
0
static errorCode ops_startElement(QName qname, void* app_data)
{
	struct ops_AppData* o_appD = (struct ops_AppData*) app_data;

	if(o_appD->o_strm->context.currElem.uriId == 4) // URI == http://www.w3.org/2009/exi
	{
		o_appD->prevElementUriID = 4;

		switch(o_appD->o_strm->context.currElem.lnId)
		{
			case 33:	// strict
				SET_STRICT(o_appD->parsed_ops->enumOpt);
				o_appD->prevElementLnID = 33;
			break;
			case 31:	// schemaId
				o_appD->prevElementLnID = 31;
				o_appD->parsed_ops->schemaIDMode = SCHEMA_ID_EMPTY;
			break;
			case 7:		// compression
				SET_COMPRESSION(o_appD->parsed_ops->enumOpt);
				o_appD->prevElementLnID = 7;
			break;
			case 14:	// fragment
				SET_FRAGMENT(o_appD->parsed_ops->enumOpt);
				o_appD->prevElementLnID = 14;
			break;
			case 13:	// dtd
				SET_PRESERVED(o_appD->parsed_ops->preserve, PRESERVE_DTD);
				o_appD->prevElementLnID = 13;
			break;
			case 29:	// prefixes
				SET_PRESERVED(o_appD->parsed_ops->preserve, PRESERVE_PREFIXES);
				o_appD->prevElementLnID = 29;
			break;
			case 26:	// lexicalValues
				SET_PRESERVED(o_appD->parsed_ops->preserve, PRESERVE_LEXVALUES);
				o_appD->prevElementLnID = 26;
			break;
			case 5:	// comments
				SET_PRESERVED(o_appD->parsed_ops->preserve, PRESERVE_COMMENTS);
				o_appD->prevElementLnID = 5;
			break;
			case 27:	// pis
				SET_PRESERVED(o_appD->parsed_ops->preserve, PRESERVE_PIS);
				o_appD->prevElementLnID = 27;
			break;
			case 4:	// alignment->byte
				SET_ALIGNMENT(o_appD->parsed_ops->enumOpt, BYTE_ALIGNMENT);
				o_appD->prevElementLnID = 4;
			break;
			case 28:	// alignment->pre-compress
				SET_ALIGNMENT(o_appD->parsed_ops->enumOpt, PRE_COMPRESSION);
				o_appD->prevElementLnID = 28;
			break;
			case 32:	// selfContained
				SET_SELF_CONTAINED(o_appD->parsed_ops->enumOpt);
				o_appD->prevElementLnID = 32;
			break;
			case 8:	// datatypeRepresentationMap
				o_appD->prevElementLnID = 8;
			break;
			case 36:	// uncommon
				o_appD->prevElementLnID = 36;
#if EXI_PROFILE_DEFAULT
				{
				// If the EXI Profile default behaviour is followed, then we expect
				// SE(*) <p/> indicating default EXI Profile parameters
				// If this is not the case rise an error
				// SE(*) has event code 5 in the uncommon grammar
				unsigned int tmp_bits_val;
				UnsignedInteger lnLen = 0;
				errorCode tmp_err_code = UNEXPECTED_ERROR;
				String lnStr;
				QNameID qnameId = {URI_MAX, LN_MAX};

				// Next event code must be SE(*)
				TRY(decodeNBitUnsignedInteger(o_appD->o_strm, 3, &tmp_bits_val));
				if(tmp_bits_val != 5)
				{
					DEBUG_MSG(ERROR, DEBUG_CONTENT_IO, (">EXI Profile default active but <p> element missing\n"));
					return INVALID_EXIP_CONFIGURATION;
				}
				// The <p> element QName must be "http://www.w3.org/2009/exi:p"
				TRY(decodeUri(o_appD->o_strm, &qnameId.uriId));
				TRY(decodeUnsignedInteger(o_appD->o_strm, &lnLen));
				if(lnLen == 0) // local-name table hit -> should not be the case to have "p" in the local string table
					return INVALID_EXIP_CONFIGURATION;

				TRY(allocateStringMemoryManaged(&(lnStr.str),(Index) (lnLen - 1), &o_appD->o_strm->memList));
				TRY(decodeStringOnly(o_appD->o_strm, (Index)lnLen - 1, &lnStr));
				// NOTE: the "p" local name is in purpose not added to the
				// local name table of the http://www.w3.org/2009/exi uri, although it should be.
				// If there are more strings (24 or more) added there in the future
				// or the <p> element is encoded more than once - both are highly unlikely,
				// then there will be a problem with the encoding.

				if(qnameId.uriId != 4 || !stringEqualToAscii(lnStr, "p"))
				{
					DEBUG_MSG(ERROR, DEBUG_CONTENT_IO, (">EXI Profile default active but <p> element missing\n"));
					return INVALID_EXIP_CONFIGURATION;
				}
				// The next event code must be EE -> 0.0
				TRY(decodeNBitUnsignedInteger(o_appD->o_strm, 2, &tmp_bits_val));
				if(tmp_bits_val != 0)
				{
					DEBUG_MSG(ERROR, DEBUG_CONTENT_IO, (">EXI Profile default active but <p> element is not empty\n"));
					return INVALID_EXIP_CONFIGURATION;
				}
				}
#endif
			break;
		}
	}
	else // URI != http://www.w3.org/2009/exi
	{
		// The previous element should be either uncommon or datatypeRepresentationMap otherwise it is an error
		// These are the only places where <any> element is allowed
		if(o_appD->prevElementUriID != 4 || o_appD->prevElementLnID != 36 || o_appD->prevElementLnID != 8)
		{
			DEBUG_MSG(ERROR, DEBUG_CONTENT_IO, (">Wrong namespace in the EXI Options\n"));
			return EXIP_HANDLER_STOP;
		}

		// Handle here the user defined meta-data that follows! http://www.w3.org/TR/2011/REC-exi-20110310/#key-userMetaData
	}

	return ERR_OK;
}