ENH: call configure from cmake

1 files changed, 133 insertions, 0 deletions

diff --git a/Source/cmConfigureFileCommand.cxx b/Source/cmConfigureFileCommand.cxx
new file mode 100644
index 0000000..77171a2
--- /dev/null
+++ b/Source/cmConfigureFileCommand.cxx
@@ -0,0 +1,133 @@
+/*=========================================================================
+
+  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 "cmConfigureFileCommand.h"
+
+// cmConfigureFileCommand
+bool cmConfigureFileCommand::Invoke(std::vector<std::string>& args)
+{
+  if(args.size() < 2 )
+    {
+    this->SetError("called with incorrect number of arguments, expected 2");
+    return false;
+    }
+  m_InputFile = args[0];
+  m_OuputFile = args[1];
+  m_CopyOnly = false;
+  if(args[2] == "COPYONLY")
+    {
+    m_CopyOnly  = true;
+    }
+  
+  return true;
+}
+
+void cmConfigureFileCommand::FinalPass()
+{
+  m_Makefile->ExpandVariablesInString(m_InputFile);
+  m_Makefile->ExpandVariablesInString(m_OuputFile);
+  std::ifstream fin(m_InputFile.c_str());
+  if(!fin)
+    {
+    cmSystemTools::Error("Could not open file for read in copy operatation",
+                         m_InputFile.c_str());
+    return;
+    }
+  cmSystemTools::ConvertToUnixSlashes(m_OuputFile);
+  std::string::size_type pos = m_OuputFile.rfind('/');
+  if(pos != std::string::npos)
+    {
+    std::string path = m_OuputFile.substr(0, pos);
+    cmSystemTools::MakeDirectory(path.c_str());
+    }
+  std::string tempOutputFile = m_OuputFile;
+  tempOutputFile += ".tmp";
+  std::ofstream fout(tempOutputFile.c_str());
+  if(!fout)
+    {
+    cmSystemTools::Error("Could not open file for write in copy operatation", 
+                         tempOutputFile.c_str());
+    return;
+    }
+  // now copy input to output and expand varibles in the
+  // input file at the same time
+  const int bufSize = 4096;
+  char buffer[bufSize];
+  std::string inLine;
+  cmRegularExpression cmdefine("#cmakedefine[ \t]*([A-Za-z_0-9]*)");
+  while(fin)
+    {
+    fin.getline(buffer, bufSize);
+    if(fin)
+      {
+      inLine = buffer;
+      if(!m_CopyOnly)
+        {
+        m_Makefile->ExpandVariablesInString(inLine);
+        m_Makefile->RemoveVariablesInString(inLine);
+        // look for special cmakedefine symbol and handle it
+        // is the symbol defined
+        if (cmdefine.find(inLine))
+          {
+          const char *def = m_Makefile->GetDefinition(cmdefine.match(1).c_str());
+          if(!cmSystemTools::IsOff(def))
+            {
+            cmSystemTools::ReplaceString(inLine,
+                                         "#cmakedefine", "#define");
+            }
+          else
+            {
+            cmSystemTools::ReplaceString(inLine,
+                                         "#cmakedefine", "#undef");
+            }
+          }
+        }
+      fout << inLine << "\n";
+      }
+    }
+  // close the files before attempting to copy
+  fin.close();
+  fout.close();
+  cmSystemTools::CopyFileIfDifferent(tempOutputFile.c_str(),
+                                     m_OuputFile.c_str());
+  cmSystemTools::RemoveFile(tempOutputFile.c_str());
+}
+
+