new set command and IF NOT

8 files changed, 266 insertions, 22 deletions

diff --git a/Source/cmCommands.cxx b/Source/cmCommands.cxx
index cc49f89..e542786 100644
--- a/Source/cmCommands.cxx
+++ b/Source/cmCommands.cxx
@@ -50,6 +50,7 @@
 #include "cmIfCommand.cxx"
 #include "cmElseCommand.cxx"
 #include "cmEndIfCommand.cxx"
+#include "cmSetCommand.cxx"
 #include "cmAddDefinitionsCommand.cxx"
 #include "cmOptionCommand.cxx"
 #include "cmIncludeCommand.cxx"
@@ -100,6 +101,7 @@ void GetPredefinedCommands(std::list<cmCommand*>& commands)
   commands.push_back(new cmIfCommand);
   commands.push_back(new cmElseCommand);
   commands.push_back(new cmEndIfCommand);
+  commands.push_back(new cmSetCommand);
   commands.push_back(new cmAddDefinitionsCommand);
   commands.push_back(new cmOptionCommand);
   commands.push_back(new cmIncludeCommand);
diff --git a/Source/cmElseCommand.cxx b/Source/cmElseCommand.cxx
index b905945..9684de1 100644
--- a/Source/cmElseCommand.cxx
+++ b/Source/cmElseCommand.cxx
@@ -49,19 +49,40 @@ bool cmElseCommand::Invoke(std::vector<std::string>& args)
     return false;
     }
 
-  // check to see if the argument is defined first
-  const char *def = m_Makefile->GetDefinition(args[0].c_str());
-  if(!cmSystemTools::IsOff(def))
+  // check for the NOT vale
+  const char *def;
+  if (args.size() == 2 && (args[0] == "NOT"))
     {
-    // add block
-    cmIfFunctionBlocker *f = new cmIfFunctionBlocker();
-    f->m_Define = args[0];
-    m_Makefile->AddFunctionBlocker(f);
+    def = m_Makefile->GetDefinition(args[1].c_str());
+    if(!cmSystemTools::IsOff(def))
+      {
+      // remove any function blockers for this define
+      m_Makefile->RemoveFunctionBlocker("ENDIF",args);
+      }
+    else
+      {
+      // create a function blocker
+      cmIfFunctionBlocker *f = new cmIfFunctionBlocker();
+      f->m_Define = args[1];
+      f->m_Not = true;
+      m_Makefile->AddFunctionBlocker(f);
+      }
     }
   else
     {
-    // remove any function blockers for this define
-    m_Makefile->RemoveFunctionBlocker("ENDIF",args);
+    def = m_Makefile->GetDefinition(args[0].c_str());
+    if(!cmSystemTools::IsOff(def))
+      {
+      // create a function blocker
+      cmIfFunctionBlocker *f = new cmIfFunctionBlocker();
+      f->m_Define = args[0];
+      m_Makefile->AddFunctionBlocker(f);
+      }
+    else
+      {
+      // remove any function blockers for this define
+      m_Makefile->RemoveFunctionBlocker("ENDIF",args);
+      }
     }
   
   return true;
diff --git a/Source/cmIfCommand.cxx b/Source/cmIfCommand.cxx
index 86803de..37daba6 100644
--- a/Source/cmIfCommand.cxx
+++ b/Source/cmIfCommand.cxx
@@ -49,9 +49,23 @@ IsFunctionBlocked(const char *name, const std::vector<std::string> &args,
     {
     return true;
     }
-  if (strcmp(args[0].c_str(),m_Define.c_str()))
+  if (m_Not && args.size() == 2)
     {
-    return true;
+    if (strcmp(args[0].c_str(),"NOT"))
+      {
+      return true;
+      }
+    if (strcmp(args[1].c_str(),m_Define.c_str()))
+      {
+      return true;
+      }
+    }
+  else
+    {
+    if (strcmp(args[0].c_str(),m_Define.c_str()))
+      {
+      return true;
+      }
     }
   return false;
 }
@@ -71,18 +85,38 @@ bool cmIfCommand::Invoke(std::vector<std::string>& args)
     return false;
     }
 
-  // check to see if the argument is defined first
-  const char *def = m_Makefile->GetDefinition(args[0].c_str());
-  if(!cmSystemTools::IsOff(def))
+  // check for the NOT vale
+  const char *def;
+  if (args.size() == 2 && (args[0] == "NOT"))
     {
-    // do nothing
+    def = m_Makefile->GetDefinition(args[1].c_str());
+    if(!cmSystemTools::IsOff(def))
+      {
+      // create a function blocker
+      cmIfFunctionBlocker *f = new cmIfFunctionBlocker();
+      f->m_Define = args[1];
+      f->m_Not = true;
+      m_Makefile->AddFunctionBlocker(f);
+      }
+    else
+      {
+      // do nothing
+      }
     }
   else
     {
-    // create a function blocker
-    cmIfFunctionBlocker *f = new cmIfFunctionBlocker();
-    f->m_Define = args[0];
-    m_Makefile->AddFunctionBlocker(f);
+    def = m_Makefile->GetDefinition(args[0].c_str());
+    if(!cmSystemTools::IsOff(def))
+      {
+      // do nothing
+      }
+    else
+      {
+      // create a function blocker
+      cmIfFunctionBlocker *f = new cmIfFunctionBlocker();
+      f->m_Define = args[0];
+      m_Makefile->AddFunctionBlocker(f);
+      }
     }
   
   return true;
diff --git a/Source/cmIfCommand.h b/Source/cmIfCommand.h
index 2887196..6bb3102 100644
--- a/Source/cmIfCommand.h
+++ b/Source/cmIfCommand.h
@@ -53,12 +53,14 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 class cmIfFunctionBlocker : public cmFunctionBlocker
 {
 public:
+  cmIfFunctionBlocker() {m_Not = false;}
   virtual ~cmIfFunctionBlocker() {}
   virtual bool IsFunctionBlocked(const char *name, const std::vector<std::string> &args, 
                                  const cmMakefile &mf) const;
   virtual bool ShouldRemove(const char *name, const std::vector<std::string> &args, 
                             const cmMakefile &mf) const;
   std::string m_Define;
+  bool m_Not;
 };
 
 /** \class cmIfCommand
@@ -108,7 +110,8 @@ public:
   virtual const char* GetFullDocumentation()
     {
     return
-      "IF(define)";
+      "IF (define) Starts an if block. Optionally there it can be invoked as\n"
+      "IF (NOT Define) the matching ELSE and ENDIF require the NOT as well.";
     }
   
   cmTypeMacro(cmIfCommand, cmCommand);
diff --git a/Source/cmSetCommand.cxx b/Source/cmSetCommand.cxx
new file mode 100644
index 0000000..dab5dbb
--- /dev/null
+++ b/Source/cmSetCommand.cxx
@@ -0,0 +1,70 @@
+/*=========================================================================
+
+  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.
+
+=========================================================================*/
+#include "cmSetCommand.h"
+
+// cmSetCommand
+bool cmSetCommand::Invoke(std::vector<std::string>& args)
+{
+  if(args.size() < 1 )
+    {
+    this->SetError("called with incorrect number of arguments");
+    return false;
+    }
+  if (args.size() == 1)
+    {
+      return true;
+    }
+  
+  // expand value
+  m_Makefile->ExpandVariablesInString(args[1]);
+  m_Makefile->AddDefinition(args[0].c_str(), args[1].c_str());
+
+  // should we store the result in the cache ?
+  if (args.size() > 2 && args[2] == "CACHE")
+    {
+    cmCacheManager::GetInstance()->AddCacheEntry(args[0].c_str(),
+                                                 args[1].c_str(),
+						 "Value Computed by CMake",
+                                                 cmCacheManager::STRING);
+    }
+  return true;
+}
+
diff --git a/Source/cmSetCommand.h b/Source/cmSetCommand.h
new file mode 100644
index 0000000..45bccbd
--- /dev/null
+++ b/Source/cmSetCommand.h
@@ -0,0 +1,103 @@
+/*=========================================================================
+
+  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 cmSetCommand_h
+#define cmSetCommand_h
+
+#include "cmStandardIncludes.h"
+#include "cmCommand.h"
+
+/** \class cmSetCommand
+ * \brief Set a CMAKE variable
+ *
+ * cmSetCommand sets a variable to a value with expansion.  
+ */
+class cmSetCommand : public cmCommand
+{
+public:
+  /**
+   * This is a virtual constructor for the command.
+   */
+  virtual cmCommand* Clone() 
+    {
+    return new cmSetCommand;
+    }
+
+  /**
+   * This is called when the command is first encountered in
+   * the CMakeLists.txt file.
+   */
+  virtual bool Invoke(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 "SET";}
+  
+  /**
+   * Succinct documentation.
+   */
+  virtual const char* GetTerseDocumentation() 
+    {
+    return "Set a CMAKE variable to a value";
+    }
+  
+  /**
+   * More documentation.
+   */
+  virtual const char* GetFullDocumentation()
+    {
+    return
+      "SET(FOO BAR)\n"
+      "Within CMAKE sets FOO to the value BAR. BAR is expanded before FOO is set to it.";
+    }
+  
+  cmTypeMacro(cmSetCommand, cmCommand);
+};
+
+
+
+#endif
diff --git a/Source/cmVTKWrapPythonCommand.cxx b/Source/cmVTKWrapPythonCommand.cxx
index d1977cc..2c84b5f 100644
--- a/Source/cmVTKWrapPythonCommand.cxx
+++ b/Source/cmVTKWrapPythonCommand.cxx
@@ -185,7 +185,8 @@ bool cmVTKWrapPythonCommand::WriteInit(const char *kitName,
 {
   unsigned int i;
   
-  FILE *fout = fopen(outFileName.c_str(),"w");
+  std::string tempOutputFile = outFileName + ".tmp";
+  FILE *fout = fopen(tempOutputFile.c_str(),"w");
   if (!fout)
     {
     return false;
@@ -230,6 +231,10 @@ bool cmVTKWrapPythonCommand::WriteInit(const char *kitName,
   fclose(fout);
   
   
+  // copy the file if different
+  cmSystemTools::CopyFileIfDifferent(tempOutputFile.c_str(),
+                                     outFileName.c_str());
+  cmSystemTools::RemoveFile(tempOutputFile.c_str());
   return true;
 }
 
diff --git a/Source/cmVTKWrapTclCommand.cxx b/Source/cmVTKWrapTclCommand.cxx
index 995f863..44579d9 100644
--- a/Source/cmVTKWrapTclCommand.cxx
+++ b/Source/cmVTKWrapTclCommand.cxx
@@ -184,7 +184,8 @@ bool cmVTKWrapTclCommand::WriteInit(const char *kitName,
                                     std::vector<std::string>& classes)
 {
   unsigned int i;
-  FILE *fout = fopen(outFileName.c_str(),"w");
+  std::string tempOutputFile = outFileName + ".tmp";
+  FILE *fout = fopen(tempOutputFile.c_str(),"w");
   if (!fout)
     {
     return false;
@@ -259,6 +260,11 @@ bool cmVTKWrapTclCommand::WriteInit(const char *kitName,
   fprintf(fout,"  return TCL_OK;\n}\n");
   fclose(fout);
 
+  // copy the file if different
+  cmSystemTools::CopyFileIfDifferent(tempOutputFile.c_str(),
+                                     outFileName.c_str());
+  cmSystemTools::RemoveFile(tempOutputFile.c_str());
+
   return true;
 }