libreoffice/autodoc/source/parser_i/inc/s2_luidl/distrib.hxx

/*************************************************************************
 *
 *  $RCSfile: distrib.hxx,v $
 *
 *  $Revision: 1.1.1.1 $
 *
 *  last change: $Author: np $ $Date: 2002-03-08 14:45:35 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (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.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
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 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
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 *  All Rights Reserved.
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 *  Contributor(s): _______________________________________
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 *
 ************************************************************************/

#ifndef LUIDL_DISTRIB_HXX
#define LUIDL_DISTRIB_HXX



// USED SERVICES
    // BASE CLASSES
#include <s2_luidl/tokrecv.hxx>
#include <s2_dsapi/tokrecv.hxx>
#include <s2_luidl/tokproct.hxx>
    // COMPONENTS
    // PARAMETERS

namespace ary
{
    class Repository;

    namespace info
    {
        class CodeInformation;
    }   // namespace info
}   // namespace ary)



namespace csi
{
namespace dsapi
{
class Token;
class SapiDocu_PE;
}   // namespace dsapi
}   // namespace csi


namespace csi
{
namespace uidl
{


typedef std::vector< DYN Token * >  TokenQueue;
typedef TokenQueue::iterator        TokenIterator;

class TokenParser_Uidl;
class UnoIDL_PE;
class Token;


class TokenDistributor : private TokenProcessing_Types

{
  public:
                        TokenDistributor(
                            ary::Repository &   io_rRepository  );
    void                SetTokenProvider(
                            TokenParser_Uidl &  io_rTokenSource );
    void                SetTopParseEnvironment(
                            UnoIDL_PE &         io_pTopParseEnvironment );
                        ~TokenDistributor();


    void                Reset()                 { aDocumentation.Reset(); }
    /** calls pTokenSource->GetNextToken() and checks the incoming tokens, until a
        usable token is found. This token will be forwarded to
        pTopParseEnv;
    */
    void                TradeToken();

    csi::uidl::Token_Receiver &
                        CodeTokens_Receiver();
    csi::dsapi::Token_Receiver &
                        DocuTokens_Receiver();

    /** Used from PE_File, if there is a docu to get without
        an environment to push (this is the case for modules).
    */
    DYN ary::info::CodeInformation *
                        ReleaseLastParsedDocu()
                            { return aDocumentation.ReleaseLastParsedDocu(); }


  private:
    class Documentation;
    class ProcessingData;
    friend class ProcessingData;

    class  ProcessingData : public  csi::uidl::Token_Receiver,
                            private TokenProcessing_Types
    {
      public:
                            ProcessingData(
                                ary::Repository &   io_rRepository,
                                Documentation &     i_rDocuProcessor );
                            ~ProcessingData();
        void                SetTopParseEnvironment(
                                UnoIDL_PE &         io_pTopParseEnvironment );


        /** is called from pTokenSource before finishing a ::TokenParse2::GetNextToken()
            call and passes the just parsed token to this class.
        */
        virtual void        Receive(
                                DYN csi::uidl::Token &
                                                let_drToken );
        void                ProcessCurToken();

        UnoIDL_PE &         CurEnvironment() const;
        bool                NextTokenExists() const;

      private:
        typedef uintt   TokenQ_Position;
        typedef std::pair< UnoIDL_PE *, TokenQ_Position >   EnvironmentInfo;
        typedef std::vector< EnvironmentInfo >              EnvironmentStack;

        void                AcknowledgeResult();
        const csi::uidl::Token &
                            CurToken() const;
        UnoIDL_PE &         CurEnv() const;
        UnoIDL_PE &         PushEnv() const;
        uintt               CurTokenPosition() const;
        uintt               CurEnv_TriedTokenPosition() const;
        void                DecrementTryCount();

        EnvironmentStack    aEnvironments;
        TokenQueue          aTokenQueue;
        TokenIterator       itCurToken;
        TokenProcessing_Result
                            aCurResult;
        uintt               nTryCount;
        bool                bFinished;
        ary::Repository &   rRepository;
        Documentation *     pDocuProcessor;
    };

    class Documentation : public csi::dsapi::Token_Receiver
    {
      public:
                            Documentation();
                            ~Documentation();

        void                Reset()                 { bIsPassedFirstDocu = false; }

        virtual void        Receive(
                                DYN csi::dsapi::Token &
                                                    let_drToken );
        DYN ary::info::CodeInformation *
                            ReleaseLastParsedDocu() { return pMostRecentDocu.Release(); }
      private:
        Dyn<csi::dsapi::SapiDocu_PE>
                            pDocuParseEnv;
        Dyn<ary::info::CodeInformation>
                            pMostRecentDocu;
        bool                bIsPassedFirstDocu;
    };

    // DATA
    TokenParser_Uidl *  pTokenSource;
    ProcessingData      aProcessingData;
    Documentation       aDocumentation;
};



// IMPLEMENTATION

inline void
TokenDistributor::SetTokenProvider( TokenParser_Uidl &  io_rTokenSource )
    { pTokenSource = &io_rTokenSource; }

inline void
TokenDistributor::SetTopParseEnvironment( UnoIDL_PE & io_pTopParseEnvironment )
    { aProcessingData.SetTopParseEnvironment(io_pTopParseEnvironment); }

inline csi::uidl::Token_Receiver &
TokenDistributor::CodeTokens_Receiver()
    { return aProcessingData; }

inline csi::dsapi::Token_Receiver &
TokenDistributor::DocuTokens_Receiver()
    { return aDocumentation; }

inline const csi::uidl::Token &
TokenDistributor::ProcessingData::CurToken() const
{
    csv_assert( itCurToken != aTokenQueue.end() );
    csv_assert( *itCurToken != 0 );
    return *(*itCurToken);
}

inline UnoIDL_PE &
TokenDistributor::ProcessingData::CurEnv() const
{
    csv_assert( aEnvironments.size() > 0 );
    csv_assert( aEnvironments.back().first != 0 );
    return *aEnvironments.back().first;
}

inline UnoIDL_PE &
TokenDistributor::ProcessingData::PushEnv() const
{
    csv_assert( aCurResult.pEnv2Push != 0 );
    return *aCurResult.pEnv2Push;
}

inline uintt
TokenDistributor::ProcessingData::CurTokenPosition() const
{
    return itCurToken - aTokenQueue.begin();
}

inline uintt
TokenDistributor::ProcessingData::CurEnv_TriedTokenPosition() const
{
    csv_assert( aEnvironments.size() > 0 );
    return aEnvironments.back().second;
}


}   // namespace uidl
}   // namespace csi

#endif