/*

 * Licensed to the Apache Software Foundation (ASF) under one or more

 * contributor license agreements.  See the NOTICE file distributed with

 * this work for additional information regarding copyright ownership.

 * The ASF licenses this file to You under the Apache License, Version 2.0

 * (the "License"); you may not use this file except in compliance with

 * the License.  You may obtain a copy of the License at

 * 

 *      http://www.apache.org/licenses/LICENSE-2.0

 * 

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

/*

 * $Id: ParserForXMLSchema.hpp 568078 2007-08-21 11:43:25Z amassari $

 */

#if !defined(PARSERFORXMLSCHEMA_HPP)

#define PARSERFORXMLSCHEMA_HPP

// ---------------------------------------------------------------------------

//  Includes

// ---------------------------------------------------------------------------

#include <xercesc/util/regx/RegxParser.hpp>

XERCES_CPP_NAMESPACE_BEGIN

// ---------------------------------------------------------------------------

//  Forward Declaration

// ---------------------------------------------------------------------------

class Token;

class RangeToken;

class XMLUTIL_EXPORT ParserForXMLSchema : public RegxParser {

public:

    // -----------------------------------------------------------------------

    //  Public Constructors and Destructor

    // -----------------------------------------------------------------------

    ParserForXMLSchema(MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);

    ~ParserForXMLSchema();

    // -----------------------------------------------------------------------

    //  Getter methods

    // -----------------------------------------------------------------------

protected:

    // -----------------------------------------------------------------------

    //  Parsing/Processing methods

    // -----------------------------------------------------------------------

    XMLInt32    processCInCharacterClass(RangeToken* const tok,

                                         const XMLInt32 ch);

    Token*      processCaret();

    Token*      processDollar();

	Token*		processLook(const unsigned short tokType);

    Token*      processBacksolidus_A();

    Token*      processBacksolidus_Z();

    Token*      processBacksolidus_z();

    Token*      processBacksolidus_b();

    Token*      processBacksolidus_B();

    Token*      processBacksolidus_c();

    Token*      processBacksolidus_C();

    Token*      processBacksolidus_i();

    Token*      processBacksolidus_I();

    Token*      processBacksolidus_g();

    Token*      processBacksolidus_X();

    Token*      processBacksolidus_lt();

    Token*      processBacksolidus_gt();

    Token*      processStar(Token* const tok);

    Token*      processPlus(Token* const tok);

	Token*      processQuestion(Token* const tok);

	Token*      processParen();

	Token*      processParen2();

	Token*      processCondition();

	Token*      processModifiers();

	Token*      processIndependent();

	Token*      processBackReference();

	RangeToken* parseCharacterClass(const bool useNRange);

	RangeToken* parseSetOperations();

    // -----------------------------------------------------------------------

    //  Getter methods

    // -----------------------------------------------------------------------

	Token* getTokenForShorthand(const XMLInt32 ch);

    // -----------------------------------------------------------------------

    //  Helper methods

    // -----------------------------------------------------------------------

    bool checkQuestion(const int off);

	XMLInt32 decodeEscaped();

private:

	// -----------------------------------------------------------------------

    //  Unimplemented constructors and operators

    // -----------------------------------------------------------------------

    ParserForXMLSchema(const ParserForXMLSchema&);

    ParserForXMLSchema& operator=(const ParserForXMLSchema&);

    // -----------------------------------------------------------------------

    //  Private data members

	// -----------------------------------------------------------------------

};

XERCES_CPP_NAMESPACE_END

#endif

/**

  * End of file ParserForXMLSchema.hpp

  */