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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile$
  Language:  C++
  Date:      $Date$
  Version:   $Revision$

Copyright (c) 2001 Insight Consortium
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

 * Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.

 * Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

 * The name of the Insight Consortium, nor the names of any consortium members,
   nor of any contributors, may be used to endorse or promote products derived
   from this software without specific prior written permission.

  * Modified source versions must be plainly marked as such, and must not be
    misrepresented as being the original software.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

=========================================================================*/
#ifndef cmCableDefineSetCommand_h
#define cmCableDefineSetCommand_h

#include "cmStandardIncludes.h"
#include "cmCableCommand.h"

/** \class cmCableDefineSetCommand
 * \brief Define a command that adds a CABLE Set definition.
 *
 * cmCableDefineSetCommand is used to define a named CABLE Set.
 * The set can be referenced in other CABLE command arguments
 * with a '$' followed by the set name.
 */
class cmCableDefineSetCommand : public cmCableCommand
{
public:
  /**
   * This is a virtual constructor for the command.
   */
  virtual cmCommand* Clone()
    {
      return new cmCableDefineSetCommand;
    }

  /**
   * This is called when the command is first encountered in
   * the CMakeLists.txt file.
   */
  virtual bool InitialPass(std::vector<std::string>& args);
  
  /**
   * This determines if the command gets propagated down
   * to makefiles located in subdirectories.
   */
  virtual bool IsInherited() 
    { return true; }

  /**
   * The name of the command as specified in CMakeList.txt.
   */
  virtual const char* GetName() { return "CABLE_DEFINE_SET";}

  /**
   * Succinct documentation.
   */
  virtual const char* GetTerseDocumentation() 
    {
    return "Define a CABLE Set.";
    }
  
  /**
   * More documentation.
   */
  virtual const char* GetFullDocumentation()
    {
    return
      "CABLE_DEFINE_SET(name_of_set [[tag1]:]memeber1 [[tag2]:]member2 ...\n"
      "                 [SOURCE_FILES source1 source2 ...]] )\n"
      "Generates a Set definition in the CABLE configuration.  The sets are\n"
      "referenced in other CABLE commands by a '$' immediately followed by\n"
      "the set name (ex. $SetName).  If a the \"tag:\" syntax is not used,\n"
      "an attempt is made to auto-generate a meaningful tag.  If the\n"
      "SOURCE_FILES keyword is given, all arguments after it refer to header\n"
      "files to be included in any package referencing the set.\n";
    }

  cmTypeMacro(cmCableDefineSetCommand, cmCableCommand);
  
protected:
  virtual const char* GetXmlTag() const { return "Set"; }
  void WriteConfiguration() const;
  bool AddElement(const std::string&);
  bool GenerateTag(const std::string&, std::string&);
  bool AddSourceFile(const std::string&);
private:  
  typedef std::pair<std::string, std::string>  Element;
  typedef std::vector<Element>  Elements;
  
  /**
   * The name of the set.
   */
  std::string m_SetName;
  
  /**
   * The elements to be defined in the set (before $ expansion).
   */
  Elements  m_Elements;
  
  /**
   * The source headers associated with this set.
   */
  std::vector<std::string> m_SourceHeaders;
  
  /**
   * The instantiation sources associated with this set.
   */
  std::vector<std::string> m_InstantiationSources;
};



#endif