Introduce the abstract class cmGlobalGeneratorFactory

This new abstract class allows us move some logic from the
cmGlobalGenerator into its own layer in a next step.

1 files changed, 51 insertions, 0 deletions

diff --git a/Source/cmGlobalGeneratorFactory.h b/Source/cmGlobalGeneratorFactory.h
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+++ b/Source/cmGlobalGeneratorFactory.h
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+/*============================================================================
+  CMake - Cross Platform Makefile Generator
+  Copyright 2000-2012 Kitware, Inc., Insight Software Consortium
+
+  Distributed under the OSI-approved BSD License (the "License");
+  see accompanying file Copyright.txt for details.
+
+  This software is distributed WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the License for more information.
+============================================================================*/
+
+#ifndef cmGlobalGeneratorFactory_h
+#define cmGlobalGeneratorFactory_h
+
+#include "cmStandardIncludes.h"
+
+class cmGlobalGenerator;
+struct cmDocumentationEntry;
+
+/** \class cmGlobalGeneratorFactory
+ * \brief Responable for creating cmGlobalGenerator instances
+ *
+ * Subclasses of this class generate instances of cmGlobalGenerator.
+ */
+class cmGlobalGeneratorFactory
+{
+public:
+  virtual ~cmGlobalGeneratorFactory() {}
+
+  /** Create a GlobalGenerator */
+  virtual cmGlobalGenerator* CreateGlobalGenerator() const = 0;
+
+  /** Get the documentation entry for this factory */
+  virtual void GetDocumentation(cmDocumentationEntry& entry) const = 0;
+};
+
+template<class T>
+class cmGlobalGeneratorSimpleFactory : public cmGlobalGeneratorFactory
+{
+public:
+  /** Create a GlobalGenerator */
+  virtual cmGlobalGenerator* CreateGlobalGenerator() const {
+    return new T; }
+
+  /** Get the documentation entry for this factory */
+  virtual void GetDocumentation(cmDocumentationEntry& entry) const {
+    T().GetDocumentation(entry); }
+};
+
+#endif