/**************************************************************
 *
 * 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_ADC_CMD_HXX
#define ADC_ADC_CMD_HXX


// USED SERVICES
	// BASE CLASSES
#include <cosv/comdline.hxx>
	// COMPONENTS
	// PARAMETERS


namespace autodoc
{
namespace command
{

/** Context for a command, which can be read from the command line.
*/
class Context
{
  public:
    typedef StringVector::const_iterator opt_iter;

    virtual             ~Context() {}

    void                Init(
                            opt_iter &          it,
                            opt_iter            itEnd );
  private:
    virtual void        do_Init(
                            opt_iter &          it,
                            opt_iter            itEnd ) = 0;
};

// IMPLEMENTATION
inline void
Context::Init( opt_iter &          i_nCurArgsBegin,
               opt_iter            i_nEndOfAllArgs )

{ do_Init(i_nCurArgsBegin, i_nEndOfAllArgs); }


/** Interface for commands, autodoc is able to perform.
*/
class Command : public Context
{
  public:
    /** Running ranks of the commands are to be maintained at one location:
        Here!
    */
    enum E_Ranks
    {
        rank_Load       = 10,
        rank_Parse      = 20,
        rank_Save       = 30,
        rank_CreateHtml = 40,
        rank_CreateXml  = 50
    };


    bool                Run() const;
    int                 RunningRank() const;

  private:
    virtual bool        do_Run() const = 0;
    virtual int         inq_RunningRank() const = 0;
};

// IMPLEMENTATION
inline bool
Command::Run() const
{ return do_Run(); }
inline int
Command::RunningRank() const
{ return inq_RunningRank(); }


/** The exception thrown, if the command line is invalid.
*/
class X_CommandLine
{
  public:
                        X_CommandLine(
                            const char *        i_sExplanation )
                            :   sExplanation(i_sExplanation) {}

    void                Report(
                            std::ostream &      o_rOut )
                            { o_rOut << "Error in command line: "
                                     << sExplanation << Endl(); }
  private:
    String              sExplanation;
};


}   // namespace command
}   // namespace autodoc
#endif