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+/*=========================================================================
+
+  Program:   CMake - Cross-Platform Makefile Generator
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+  Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
+  See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
+
+     This software is distributed WITHOUT ANY WARRANTY; without even 
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
+     PURPOSE.  See the above copyright notices for more information.
+
+=========================================================================*/
+#ifndef cmListCommand_h
+#define cmListCommand_h
+
+#include "cmCommand.h"
+
+/** \class cmListCommand
+ * \brief Common list operations
+ *
+ */
+class cmListCommand : public cmCommand
+{
+public:
+  /**
+   * This is a virtual constructor for the command.
+   */
+  virtual cmCommand* Clone() 
+    {
+    return new cmListCommand;
+    }
+
+  /**
+   * This is called when the command is first encountered in
+   * the CMakeLists.txt file.
+   */
+  virtual bool InitialPass(std::vector<std::string> const& args);
+
+  /**
+   * This determines if the command is invoked when in script mode.
+   */
+  virtual bool IsScriptable() { return true; }
+
+  /**
+   * The name of the command as specified in CMakeList.txt.
+   */
+  virtual const char* GetName() { return "LIST";}
+
+  /**
+   * Succinct documentation.
+   */
+  virtual const char* GetTerseDocumentation() 
+    {
+    return "List operations.";
+    }
+  
+  /**
+   * More documentation.
+   */
+  virtual const char* GetFullDocumentation()
+    {
+    return
+      "  LIST(LENGTH <list> <output variable>)\n"
+      "  LIST(GET <list> <element index> [<element index> ...] <output variable>)\n"
+      "  LIST(SET <list> <element> [<element> ...])\n"
+      "  LIST(INSERT <list> <element_index> <element> [<element> ...])\n"
+      "  LIST(REMOVE <variable> <value> [<value> ...])\n"
+      "  LIST(REMOVE_ITEM <variable> <index> [<index> ...])\n"
+      "  LIST(SORT <variable>)\n"
+      "  LIST(REVERSE <variable>)\n"
+      "LENGTH will return a given list's length.\n"
+      "GET will return list of elements specified by indices from the list.\n"
+      "SET will append elements to the list.\n"
+      "INSERT will insert elements to the list to the specified location.\n"
+      "When specifying an index, negative value corresponds to index from the end "
+      "of the list.\n"
+      ;
+    }
+  
+  cmTypeMacro(cmListCommand, cmCommand);
+protected:
+  bool HandleLengthCommand(std::vector<std::string> const& args);
+  bool HandleGetCommand(std::vector<std::string> const& args);
+  bool HandleSetCommand(std::vector<std::string> const& args);
+  bool HandleInsertCommand(std::vector<std::string> const& args);
+  bool HandleRemoveCommand(std::vector<std::string> const& args);
+  bool HandleRemoveItemCommand(std::vector<std::string> const& args);
+
+
+  bool GetList(std::vector<std::string>& list, const char* var);
+  bool GetListString(std::string& listString, const char* var);
+};
+
+
+#endif