ENH: Added SOURCE_GROUP command and corresponding support code. This command allows CMakeLists files to specify how sources are organized into groups in the generated DSP files and makefiles.

Source/cmSourceGroupCommand.h

@@ -0,0 +1,84 @@
+/*=========================================================================
+
+  Program:   Insight Segmentation & Registration Toolkit
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+
+
+  Copyright (c) 2000 National Library of Medicine
+  All rights reserved.
+
+  See COPYRIGHT.txt for copyright details.
+
+=========================================================================*/
+#ifndef cmSourceGroupCommand_h
+#define cmSourceGroupCommand_h
+
+#include "cmStandardIncludes.h"
+#include "cmCommand.h"
+
+/** \class cmSourceGroupCommand
+ * \brief Adds a cmSourceGroup to the cmMakefile.
+ *
+ * cmSourceGroupCommand is used to define cmSourceGroups which split up
+ * source files in to named, organized groups in the generated makefiles.
+ */
+class cmSourceGroupCommand : public cmCommand
+{
+public:
+  /**
+   * This is a virtual constructor for the command.
+   */
+  virtual cmCommand* Clone() 
+    {
+    return new cmSourceGroupCommand;
+    }
+
+  /**
+   * This is called when the command is first encountered in
+   * the CMakeLists.txt file.
+   */
+  virtual bool Invoke(std::vector<std::string>& args);
+  
+  /**
+   * The name of the command as specified in CMakeList.txt.
+   */
+  virtual const char* GetName() {return "SOURCE_GROUP";}
+
+  /**
+   * This determines if the command gets propagated down
+   * to makefiles located in subdirectories.
+   */
+  virtual bool IsInherited() 
+    {
+    return true;
+    }
+
+  /**
+   * Succinct documentation.
+   */
+  virtual const char* GetTerseDocumentation() 
+    {
+    return "Define a grouping for sources in the makefile.";
+    }
+  
+  /**
+   * More documentation.
+   */
+  virtual const char* GetFullDocumentation()
+    {
+    return
+      "SOURCE_GROUP(name regex)\n"
+      "Defines a new source group.  Any file whose name matches the regular\n"
+      "expression will be placed in this group.  The LAST regular expression\n"
+      "of all defined SOURCE_GROUPs that matches the file will be selected.";
+    }
+  
+  cmTypeMacro(cmSourceGroupCommand, cmCommand);
+};
+
+
+
+#endif