/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: tagtest.hxx,v $
 *
 *  $Revision: 1.9 $
 *
 *  last change: $Author: kz $ $Date: 2005-10-06 12:43:27 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 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
 *
 ************************************************************************/

#ifndef _TAGTEST_HXX_
#define _TAGTEST_HXX_

#ifndef _STRING_HXX
#include <tools/string.hxx>
#endif
#ifndef _LIST_HXX
#include <tools/list.hxx>
#endif
#include <hash_map> /* std::hashmap*/

class GSILine;

typedef USHORT TokenId;

#define TOK_INVALIDPOS  USHORT( 0xFFFF )

class ParserMessage;

DECLARE_LIST( Impl_ParserMessageList, ParserMessage* );
class ParserMessageList;


struct equalByteString{
        bool operator()( const ByteString& rKey1, const ByteString& rKey2 ) const {
            return rKey1.CompareTo( rKey2 )==COMPARE_EQUAL;
    }
};
struct lessByteString{
        bool operator()( const ByteString& rKey1, const ByteString& rKey2 ) const {
            return rKey1.CompareTo( rKey2 )==COMPARE_LESS;
    }
};

struct hashByteString{
    size_t operator()( const ByteString& rName ) const{
                std::hash< const char* > myHash;
                return myHash( rName.GetBuffer() );
    }
};



typedef std::hash_map<ByteString , String , hashByteString,equalByteString>
                                StringHashMap;


class TokenInfo
{
private:
    void SplitTag( ParserMessageList &rErrorList );

    String aTagName;
    StringHashMap aProperties;
    BOOL bClosed;    // tag is closed  <sdnf/>
    BOOL bCloseTag;  // tag is close Tag  </sdnf>


    BOOL bIsBroken;
    BOOL bHasBeenFixed;
    BOOL bDone;

public:

    String aTokenString;
    TokenId nId;
    USHORT nPos;            // Position in String

    TokenInfo():nId( 0 ),bIsBroken(FALSE),bHasBeenFixed(FALSE),bDone(FALSE),bClosed(FALSE),bCloseTag(FALSE){;}
explicit    TokenInfo( TokenId pnId, USHORT nP ):nId( pnId ),nPos(nP),bIsBroken(FALSE),bHasBeenFixed(FALSE),bDone(FALSE),bClosed(FALSE),bCloseTag(FALSE){;}
explicit    TokenInfo( TokenId pnId, USHORT nP, String paStr ):nId( pnId ), nPos(nP), aTokenString( paStr ),bIsBroken(FALSE),bHasBeenFixed(FALSE),bDone(FALSE),bClosed(FALSE),bCloseTag(FALSE){;}
explicit    TokenInfo( TokenId pnId, USHORT nP, String paStr, ParserMessageList &rErrorList );

    String GetTagName() const;

    String MakeTag() const;

    /**
        Is the property to be ignored or does it have the default value anyways
    **/
    BOOL IsPropertyRelevant( const ByteString &aName, const String &aValue ) const;
    BOOL IsPropertyValueValid( const ByteString &aName, const String &aValue ) const;
    /**
        Does the property contain the same value for all languages
        e.g.: the href in a link tag
    **/
    BOOL IsPropertyInvariant( const ByteString &aName ) const;
    /**
        a subset of IsPropertyInvariant but containing only those that are fixable
        we dont wat to fix e.g.: ahelp :: visibility
    **/
    BOOL IsPropertyFixable( const ByteString &aName ) const;
    BOOL MatchesTranslation( TokenInfo& rInfo, BOOL bGenErrors, ParserMessageList &rErrorList, BOOL bFixTags = FALSE ) const;

    BOOL IsDone() const { return bDone; }
    void SetDone( BOOL bNew = TRUE ) { bDone = bNew; }

    BOOL HasBeenFixed() const { return bHasBeenFixed; }
    void SetHasBeenFixed( BOOL bNew = TRUE ) { bHasBeenFixed = bNew; }
};


class ParserMessageList : public Impl_ParserMessageList
{
public:
    void AddError( USHORT nErrorNr, ByteString aErrorText, const TokenInfo &rTag );
    void AddWarning( USHORT nErrorNr, ByteString aErrorText, const TokenInfo &rTag );

    BOOL HasErrors();
};


#define TAG_GROUPMASK               0xF000
#define TAG_GROUPSHIFT              12

#define TAG_GROUP( nTag )           (( nTag & TAG_GROUPMASK ) >> TAG_GROUPSHIFT )
#define TAG_NOGROUP( nTag )         ( nTag & ~TAG_GROUPMASK )   // ~ = Bitweises NOT

#define TAG_NOMORETAGS              0x0

#define TAG_GROUP_FORMAT            0x1
#define TAG_ON                      0x100
#define TAG_BOLDON                  ( TAG_GROUP_FORMAT << TAG_GROUPSHIFT | TAG_ON | 0x001 )
#define TAG_BOLDOFF                 ( TAG_GROUP_FORMAT << TAG_GROUPSHIFT |          0x001 )
#define TAG_ITALICON                ( TAG_GROUP_FORMAT << TAG_GROUPSHIFT | TAG_ON | 0x002 )
#define TAG_ITALICOFF               ( TAG_GROUP_FORMAT << TAG_GROUPSHIFT |          0x002 )
#define TAG_UNDERLINEON             ( TAG_GROUP_FORMAT << TAG_GROUPSHIFT | TAG_ON | 0x004 )
#define TAG_UNDERLINEOFF            ( TAG_GROUP_FORMAT << TAG_GROUPSHIFT |          0x004 )

#define TAG_GROUP_NOTALLOWED        0x2
#define TAG_HELPID                  ( TAG_GROUP_NOTALLOWED << TAG_GROUPSHIFT | 0x001 )
#define TAG_MODIFY                  ( TAG_GROUP_NOTALLOWED << TAG_GROUPSHIFT | 0x002 )
#define TAG_REFNR                   ( TAG_GROUP_NOTALLOWED << TAG_GROUPSHIFT | 0x004 )

#define TAG_GROUP_STRUCTURE         0x3
#define TAG_NAME                    ( TAG_GROUP_STRUCTURE << TAG_GROUPSHIFT | 0x001 )
#define TAG_HREF                    ( TAG_GROUP_STRUCTURE << TAG_GROUPSHIFT | 0x002 )
#define TAG_AVIS                    ( TAG_GROUP_STRUCTURE << TAG_GROUPSHIFT | 0x004 )
#define TAG_AHID                    ( TAG_GROUP_STRUCTURE << TAG_GROUPSHIFT | 0x008 )

#define TAG_TITEL                   ( TAG_GROUP_STRUCTURE << TAG_GROUPSHIFT | 0x020 )
#define TAG_KEY                     ( TAG_GROUP_STRUCTURE << TAG_GROUPSHIFT | 0x040 )
#define TAG_INDEX                   ( TAG_GROUP_STRUCTURE << TAG_GROUPSHIFT | 0x080 )

#define TAG_REFSTART                ( TAG_GROUP_STRUCTURE << TAG_GROUPSHIFT | 0x100 )

#define TAG_GRAPHIC                 ( TAG_GROUP_STRUCTURE << TAG_GROUPSHIFT | 0x200 )
#define TAG_NEXTVERSION             ( TAG_GROUP_STRUCTURE << TAG_GROUPSHIFT | 0x400 )

#define TAG_GROUP_SYSSWITCH         0x4
#define TAG_WIN                     ( TAG_GROUP_SYSSWITCH << TAG_GROUPSHIFT | 0x001 )
#define TAG_UNIX                    ( TAG_GROUP_SYSSWITCH << TAG_GROUPSHIFT | 0x002 )
#define TAG_MAC                     ( TAG_GROUP_SYSSWITCH << TAG_GROUPSHIFT | 0x004 )
#define TAG_OS2                     ( TAG_GROUP_SYSSWITCH << TAG_GROUPSHIFT | 0x008 )

#define TAG_GROUP_PROGSWITCH        0x5
#define TAG_WRITER                  ( TAG_GROUP_PROGSWITCH << TAG_GROUPSHIFT | 0x001 )
#define TAG_CALC                    ( TAG_GROUP_PROGSWITCH << TAG_GROUPSHIFT | 0x002 )
#define TAG_DRAW                    ( TAG_GROUP_PROGSWITCH << TAG_GROUPSHIFT | 0x004 )
#define TAG_IMPRESS                 ( TAG_GROUP_PROGSWITCH << TAG_GROUPSHIFT | 0x008 )
#define TAG_SCHEDULE                ( TAG_GROUP_PROGSWITCH << TAG_GROUPSHIFT | 0x010 )
#define TAG_IMAGE                   ( TAG_GROUP_PROGSWITCH << TAG_GROUPSHIFT | 0x020 )
#define TAG_MATH                    ( TAG_GROUP_PROGSWITCH << TAG_GROUPSHIFT | 0x040 )
#define TAG_CHART                   ( TAG_GROUP_PROGSWITCH << TAG_GROUPSHIFT | 0x080 )
#define TAG_OFFICE                  ( TAG_GROUP_PROGSWITCH << TAG_GROUPSHIFT | 0x100 )


#define TAG_GROUP_META              0x6
#define TAG_OFFICEFULLNAME          ( TAG_GROUP_META << TAG_GROUPSHIFT | 0x001 )
#define TAG_OFFICENAME              ( TAG_GROUP_META << TAG_GROUPSHIFT | 0x002 )
#define TAG_OFFICEPATH              ( TAG_GROUP_META << TAG_GROUPSHIFT | 0x004 )
#define TAG_OFFICEVERSION           ( TAG_GROUP_META << TAG_GROUPSHIFT | 0x008 )
#define TAG_PORTALNAME              ( TAG_GROUP_META << TAG_GROUPSHIFT | 0x010 )
#define TAG_PORTALFULLNAME          ( TAG_GROUP_META << TAG_GROUPSHIFT | 0x020 )
#define TAG_PORTALPATH              ( TAG_GROUP_META << TAG_GROUPSHIFT | 0x040 )
#define TAG_PORTALVERSION           ( TAG_GROUP_META << TAG_GROUPSHIFT | 0x080 )
#define TAG_PORTALSHORTNAME         ( TAG_GROUP_META << TAG_GROUPSHIFT | 0x100 )


#define TAG_GROUP_SINGLE            0x7
#define TAG_REFINSERT               ( TAG_GROUP_SINGLE << TAG_GROUPSHIFT | 0x001 )


#define TAG_GROUP_MULTI             0x8
#define TAG_END                     ( TAG_GROUP_MULTI << TAG_GROUPSHIFT | 0x010 )
#define TAG_ELSE                    ( TAG_GROUP_MULTI << TAG_GROUPSHIFT | 0x020 )
#define TAG_AEND                    ( TAG_GROUP_MULTI << TAG_GROUPSHIFT | 0x040 )
#define TAG_VERSIONEND              ( TAG_GROUP_MULTI << TAG_GROUPSHIFT | 0x080 )
#define TAG_ENDGRAPHIC              ( TAG_GROUP_MULTI << TAG_GROUPSHIFT | 0x100 )

#define TAG_GROUP_MISC              0x9
#define TAG_COMMONSTART             ( TAG_GROUP_MISC << TAG_GROUPSHIFT | 0x001 )
#define TAG_COMMONEND               ( TAG_GROUP_MISC << TAG_GROUPSHIFT | 0x002 )

#define TAG_UNKNOWN_TAG             ( TAG_GROUP_MULTI << TAG_GROUPSHIFT | 0x800 )

DECLARE_LIST( TokenListImpl, TokenInfo* );

class TokenList : private TokenListImpl
{
private:

    TokenList&   operator =( const TokenList& rList );
//                { TokenListImpl::operator =( rList ); return *this; }


public:
    TokenListImpl::Count;


    TokenList() : TokenListImpl(){};
    ~TokenList(){ Clear(); };

    void        Clear()
        {
            for ( ULONG i = 0 ; i < Count() ; i++ )
                delete TokenListImpl::GetObject( i );
            TokenListImpl::Clear();
        }
    void        Insert( TokenInfo p, ULONG nIndex = LIST_APPEND )
        { TokenListImpl::Insert( new TokenInfo(p), nIndex ); }
/*    TokenInfo     Remove( ULONG nIndex )
        {
            TokenInfo aT = GetObject( nIndex );
            delete TokenListImpl::GetObject( nIndex );
            TokenListImpl::Remove( nIndex );
            return aT;
        }*/
//    TokenInfo     Remove( TokenInfo p ){ return Remove( GetPos( p ) ); }
//    TokenInfo     GetCurObject() const { return *TokenListImpl::GetCurObject(); }
    TokenInfo&      GetObject( ULONG nIndex ) const
        {
//          if ( TokenListImpl::GetObject(nIndex) )
                return *TokenListImpl::GetObject(nIndex);
//          else
//              return TokenInfo();
        }
/*    ULONG     GetPos( const TokenInfo p ) const
        {
            for ( ULONG i = 0 ; i < Count() ; i++ )
                if ( p == GetObject( i ) )
                    return i;
            return LIST_ENTRY_NOTFOUND;
        }*/

    TokenList( const TokenList& rList );
/*      {
            for ( ULONG i = 0 ; i < rList.Count() ; i++ )
            {
                Insert( rList.GetObject( i ), LIST_APPEND );
            }
        }*/
};

class ParserMessage
{
    USHORT nErrorNr;
    ByteString aErrorText;
    USHORT nTagBegin,nTagLength;

protected:
    ParserMessage( USHORT PnErrorNr, ByteString PaErrorText, const TokenInfo &rTag );

public:

    USHORT GetErrorNr() { return nErrorNr; }
    ByteString GetErrorText() { return aErrorText; }

    USHORT GetTagBegin() { return nTagBegin; }
    USHORT GetTagLength() { return nTagLength; }

    virtual BOOL IsError() =0;
    virtual ByteString Prefix() =0;
};

class ParserError : public ParserMessage
{
public:
    ParserError( USHORT PnErrorNr, ByteString PaErrorText, const TokenInfo &rTag );

    virtual BOOL IsError() {return TRUE;};
    virtual ByteString Prefix() {return "Error:"; };
};

class ParserWarning : public ParserMessage
{
public:
    ParserWarning( USHORT PnErrorNr, ByteString PaErrorText, const TokenInfo &rTag );

    virtual BOOL IsError() {return FALSE;};
    virtual ByteString Prefix() {return "Warning:"; };
};

class SimpleParser
{
private:
    USHORT nPos;
    String aSource;
    String aLastToken;
    TokenList aTokenList;

    TokenInfo aNextTag;     // to store closetag in case of combined tags like <br/>

    String GetNextTokenString( ParserMessageList &rErrorList, USHORT &rTokeStartPos );

public:
    SimpleParser();
    void Parse( String PaSource );
    TokenInfo GetNextToken( ParserMessageList &rErrorList );
    static String GetLexem( TokenInfo const &aToken );
    TokenList& GetTokenList(){ return aTokenList; }
};

class TokenParser
{
    BOOL match( const TokenInfo &aCurrentToken, const TokenId &aExpectedToken );
    BOOL match( const TokenInfo &aCurrentToken, const TokenInfo &aExpectedToken );
    void ParseError( USHORT nErrNr, ByteString aErrMsg, const TokenInfo &rTag );
    void Paragraph();
    void PfCase();
    void PfCaseBegin();
    void AppCase();
    void AppCaseBegin();
    void CaseEnd();
    void SimpleTag();
    void TagPair();
    void TagRef();

    SimpleParser aParser;
    TokenInfo aTag;

    TokenId nPfCaseOptions;
    TokenId nAppCaseOptions;
    BOOL bPfCaseActive ,bAppCaseActive;

    TokenId nActiveRefTypes;

    ParserMessageList *pErrorList;

public:
    TokenParser();
    void Parse( const String &aCode, ParserMessageList* pList );
//  ParserMessageList& GetErrors(){ return aErrorList; }
//  BOOL HasErrors(){ return ( aErrorList.Count() > 0 ); }
    TokenList& GetTokenList(){ return aParser.GetTokenList(); }
};

class LingTest
{
private:
    TokenParser aReferenceParser;
    TokenParser aTesteeParser;
    ParserMessageList aCompareWarningList;
    void CheckTags( TokenList &aReference, TokenList &aTestee, BOOL bFixTags );
    BOOL IsTagMandatory( TokenInfo const &aToken, TokenId &aMetaTokens );
    String aFixedTestee;
public:
    void CheckReference( GSILine *aReference );
    void CheckTestee( GSILine *aTestee, BOOL bHasSourceLine, BOOL bFixTags );

//  ParserMessageList& GetReferenceErrors(){ return aReferenceParser.GetErrors(); }
//  BOOL HasReferenceErrors(){ return aReferenceParser.HasErrors(); }

//  ParserMessageList& GetTesteeErrors(){ return aTesteeParser.GetErrors(); }
//  BOOL HasTesteeErrors(){ return aTesteeParser.HasErrors(); }

    ParserMessageList& GetCompareWarnings(){ return aCompareWarningList; }
    BOOL HasCompareWarnings(){ return ( aCompareWarningList.Count() > 0 ); }

    String GetFixedTestee(){ return aFixedTestee; }
};

#endif