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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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#ifndef ADC_DISPLAY_OUT_POSITION_HXX
#define ADC_DISPLAY_OUT_POSITION_HXX


// USED SERVICES
    // BASE CLASSES
    // COMPONENTS
#include <toolkit/out_node.hxx>
    // PARAMETERS



namespace output
{



class Position
{
  public:
    // LIFECYCLE
                        Position();
    explicit            Position(
                            Node &              i_directory,
                            const String &      i_file = String::Null_() );
                        Position(
                            const Position &    i_directory,
                            const String &      i_rDifferentFile );
                        ~Position();

    // OPERATIONS
    Position &          operator=(
                            Node &              i_node );
    Position &          operator+=(
                            const String &      i_nodeName );
    Position &          operator-=(
                            intt                i_levels );

    // INQUIRY
    bool                IsValid() const         { return pDirectory->Depth() >= 0; }
    const String &      Name() const            { return pDirectory->Name(); }
    const String &      File() const            { return sFile; }
    intt                Depth() const           { return pDirectory->Depth(); }

    void                Get_Chain(
                            StringVector &      o_result ) const
                                                { pDirectory->Get_Chain(o_result); }
    String              LinkToRoot(
                            const String &      i_localLabel = String::Null_() ) const;

    void                Get_LinkTo(
                            StreamStr &         o_result,
                            const Position &    i_destination,
                            const String &      i_localLabel = String::Null_() ) const;
    void                Get_LinkToRoot(
                            StreamStr &         o_result,
                            const String &      i_localLabel = String::Null_() ) const;

    static char         Delimiter()             { return '/'; }

    // ACCESS
    Node &              RelatedNode() const     { return *pDirectory; }

    void                Set(
                            Node &              i_node,
                            const String &      i_file = String::Null_() );
    void                Set_File(
                            const String &      i_file );

  private:
    // DATA
    String              sFile;
    Node *              pDirectory;
};


/// @return No delimiter at start, with delimiter at end.
const char *        get_UpLink(
                        uintt                   i_depth );


// IMPLEMENTATION

inline void
Position::Set_File( const String & i_file )
    { sFile = i_file; }

}   // namespace output

#endif