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 * 
 * 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
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#ifndef ADC_DISPLAY_HI_ENV_HXX
#define ADC_DISPLAY_HI_ENV_HXX


// USED SERVICES
    // BASE CLASSES
    // COMPONENTS
#include <cosv/ploc.hxx>
#include <cosv/ploc_dir.hxx>
    // PARAMETERS
#include <toolkit/out_position.hxx>

namespace ary
{
namespace idl
{
    class Gate;
    class CodeEntity;
}
}
namespace display
{
    class CorporateFrame;
}
namespace output
{
    class Tree;
}

class AryAccess;
class LinkHelper;

/** @resp
    Provides environment information to the HTML factory
    classes.

    @descr
    All information that is not included in the data, especially
    about the layout of the output tree and the access to
    information from the repository are provided here.

    @see HtmlFactory
*/
class HtmlEnvironment_Idl
{
  public:
    // LIFECYCLE
                        HtmlEnvironment_Idl(
                            const csv::ploc::Path &
                                                io_rOutputDir,
                            const ary::idl::Gate &
                                                i_rGate,
                            const display::CorporateFrame &
                                                i_rLayout );
                        ~HtmlEnvironment_Idl();

    // OPERATIONS
    void                Goto_Directory(
                            output::Position    i_pos,
                            bool                i_bCreateDirectoryIfNecessary );
    void                Goto_DirectoryLevelDown(
                            const String &      i_subDirName,
                            bool                i_bCreateDirectoryIfNecessary );
    void                Goto_DirectoryLevelUp();
    void                Set_CurFile(
                            const String &      i_fileName );
    void                Set_CurPageCe(
                            const ary::idl::CodeEntity *
                                                i_ce )
                                                { pCurPageCe = i_ce; }
    // INQUIRY
    const ary::idl::Gate &
                        Gate() const            { return *pGate; }
    const AryAccess &   Data() const            { return *pData; }
    const char *        Link2Manual(
                            const String &      i_link ) const;

    /// This may be reimplemented for removing dead links to members.
    bool                Is_MemberExistenceCheckRequired() const
                                                { return false; }

    /// @return Holds only the current directory, not the current file.
    output::Position &  CurPosition() const		{ return aCurPosition; }
    void                Get_CurFilePath(
                            StreamStr &         o_buffer ) const
                                                { o_buffer << aCurPath; }

    const display::CorporateFrame &
                        Layout() const			{ return *pLayout; }
    const LinkHelper &  Linker() const          { return *pLinker; }

    void                Get_LinkTo(
                            StreamStr &         o_result,
                            output::Position    i_destination )
                                                { CurPosition().Get_LinkTo(o_result, i_destination); }
    String              CurPageCe_AsText() const;
    String              CurPageCe_AsFile(
                            const char *        i_sEnding) const;
    const ary::idl::CodeEntity *
                        CurPageCe() const       { return pCurPageCe; }

    // ACCESS
    output::Tree &      OutputTree()     		{ return *pOutputTree; }

  private:
    // Local
    void                create_Directory(
                            const csv::ploc::Path &
                                                i_path );

    // DATA
    csv::ploc::Directory
                        aOutputRoot;
    csv::ploc::Path     aCurPath;

    Dyn<AryAccess>      pData;          /// @invariant *pData is valid.
    const ary::idl::Gate *
                        pGate;          /// @invariant pGate != 0.
    Dyn<output::Tree>   pOutputTree;    /// @invariant *pOutputTree is valid.
    mutable output::Position
                        aCurPosition;
    const ary::idl::CodeEntity *
                        pCurPageCe;

    const display::CorporateFrame *
                        pLayout;

    Dyn<LinkHelper>     pLinker;
};


#endif