elem_package.hpp

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#ifndef __ELEMPACKAGE_HPP__
#define __ELEMPACKAGE_HPP__

namespace eienml
{
typedef Element * ( * ElementCreator )( void );
typedef Document * ( * DocumentCreator )( void );
typedef TextNode * ( * TextNodeCreator )( void );
typedef Block * ( * BlockCreator )( void );

typedef std::map< winux::AnsiString, ElementCreator > ElementCreatorTable;
typedef std::map< winux::AnsiString, BlockCreator > BlockCreatorTable;

enum ElemPackageFlags
{
    epfParseKnownTagName = 0x01, 
    epfTagNameLower = 0x02, 
    epfAttrNameLower = 0x04, 
    epfToStringIsEscape = 0x08, 
};

class EIENML_DLL ElemPackage
{
public:
    static winux::AnsiString ADDSLASHES; 

    ElemPackage( void );

    winux::AnsiString escape( winux::AnsiString const & str ) const { return this->_text2entities.replace(str); }
    winux::AnsiString unescape( winux::AnsiString const & str ) const { return this->_entities2text.replace(str); }
    winux::AnsiString addSlashes( winux::AnsiString const & str ) const { return winux::AddSlashes( str, ADDSLASHES ); }
    winux::AnsiString stripSlashes( winux::AnsiString const & str ) const { return winux::StripSlashes( str, ADDSLASHES ); }

    void setDelims( winux::AnsiString const & le, winux::AnsiString const & re, winux::AnsiString const & lb = "", winux::AnsiString const & rb = "" );
    void setEntities(
        winux::AnsiString const & specialChar,
        winux::AnsiString const & specialCharEntity,
        winux::AnsiString const & lElemDelimEntity,
        winux::AnsiString const & rElemDelimEntity,
        winux::AnsiString const & lBlockDelimEntity,
        winux::AnsiString const & rBlockDelimEntity,
        winux::StringStringMap const * extraEntitiesTable = NULL
    );
    void setExtraEntities( winux::StringStringMap const & extraEntitiesTable );
    TextNodeCreator setTextCreator( TextNodeCreator creator );

    void setElement( winux::AnsiString const & tagName, ElementCreator creator );
    void delElement( winux::AnsiString const & tagName );
    void setBlock( winux::AnsiString const & blockTag, BlockCreator creator );
    void delBlock( winux::AnsiString const & blockTag );

    Element * createElement( winux::AnsiString const & tagName ) const;
    Block * createBlock( winux::AnsiString const & blockTag ) const;
    TextNode * createTextNode( winux::AnsiString const & str ) const;

    DEFINE_ATTR_METHOD_VAL( winux::uint, Flags, _flags )

    
    void addFlags( winux::uint flags ) { _flags |= flags; }
    void removeFlags( winux::uint flags ) { _flags &= ~flags; }

    winux::AnsiString & convTagName( winux::AnsiString * tagName ) const { return ( _flags & epfTagNameLower ) ? winux::StrMakeLower(tagName) : *tagName; }
    winux::AnsiString & convAttrName( winux::AnsiString * attrName ) const { return ( _flags & epfAttrNameLower ) ? winux::StrMakeLower(attrName) : *attrName; }

    bool exists( winux::AnsiString const & tagName ) const { return !( _flags & epfParseKnownTagName ) || this->_elemTable.find(tagName) != this->_elemTable.end(); }
    bool blockExists( winux::AnsiString const & blockTag ) const { return this->_blockTable.find(blockTag) != this->_blockTable.end(); }

public:
    winux::AnsiString lElemDelim; 
    winux::AnsiString rElemDelim; 
    winux::AnsiString lBlockDelim; 
    winux::AnsiString rBlockDelim; 

protected:
    ElementCreatorTable _elemTable; 
    BlockCreatorTable _blockTable; 
    winux::MultiMatch _entities2text; 
    winux::MultiMatch _text2entities; 
    TextNodeCreator _textCreator; 
    winux::uint _flags; 
};

} // namespace eienml


#endif // __ELEMPACKAGE_HPP__