Command for invoking FLTK's code generator "Fluid" during the building process

Source/cmFLTKWrapUICommand.cxx

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+/*=========================================================================
+
+  Program:   Insight Segmentation & Registration Toolkit
+  Module:    $RCSfile$
+  Language:  C++
+  Date:      $Date$
+  Version:   $Revision$
+  Author:    Franck Bettinger.
+
+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 "cmFLTKWrapUICommand.h"
+
+// cmFLTKWrapUICommand
+bool cmFLTKWrapUICommand::InitialPass(std::vector<std::string> const& args)
+{
+  if(args.size() < 4 )
+    {
+    this->SetError("called with incorrect number of arguments");
+    return false;
+    }
+
+  // Now check and see if the value has been stored in the cache
+  // already, if so use that value and don't look for the program
+  const char* FLTK_WRAP_UI_value = m_Makefile->GetDefinition("FLTK_WRAP_UI");
+  if (FLTK_WRAP_UI_value==0)
+    {
+    this->SetError("called with FLTK_WRAP_UI undefined");
+    return false;
+    }
+  
+  if(cmSystemTools::IsOff(FLTK_WRAP_UI_value))
+    {
+    this->SetError("called with FLTK_WRAP_UI off : ");
+    return false;
+    }
+
+  // what is the current source dir
+  std::string cdir = m_Makefile->GetCurrentDirectory();
+
+  // keep the library name
+  m_LibraryName = args[0];
+  m_HeaderList = args[1];
+  m_SourceList = args[2];
+ 
+  // get the list of classes for this library
+  cmMakefile::SourceMap &Classes = m_Makefile->GetSources();
+
+
+  for(std::vector<std::string>::const_iterator j = (args.begin() + 3);
+      j != args.end(); ++j)
+    {  
+    cmMakefile::SourceMap::iterator l = Classes.find(*j);
+    if (l == Classes.end())
+      {
+      this->SetError("bad source list passed to FLTKWrapUICommand");
+      return false;
+      }
+    for(std::vector<cmSourceFile>::iterator i = l->second.begin(); 
+        i != l->second.end(); i++)
+      {
+      cmSourceFile &curr = *i;
+      // if we should wrap the class
+      if (!curr.GetWrapExclude())
+        {
+        cmSourceFile header_file;
+        cmSourceFile source_file;
+        header_file.SetName(curr.GetSourceName().c_str(), 
+                    m_Makefile->GetCurrentOutputDirectory(),
+                     "h",false);
+        source_file.SetName(curr.GetSourceName().c_str(), 
+                    m_Makefile->GetCurrentOutputDirectory(),
+                     "cxx",false);
+        std::string origname = cdir + "/" + curr.GetSourceName() + "." +
+            curr.GetSourceExtension();
+        std::string hname = header_file.GetFullPath();
+        m_WrapUserInterface.push_back(origname);
+        // add starting depends
+        source_file.GetDepends().push_back(hname);
+        source_file.GetDepends().push_back(origname);
+        header_file.GetDepends().push_back(origname);
+        m_WrapHeadersClasses.push_back(header_file);
+        m_WrapSourcesClasses.push_back(source_file);
+        m_Makefile->AddSource(header_file,
+            m_HeaderList.c_str());
+        m_Makefile->AddSource(source_file,
+            m_SourceList.c_str());
+        }
+      }
+    }
+  
+  return true;
+}
+
+void cmFLTKWrapUICommand::FinalPass() 
+{
+
+  // first we add the rules for all the .fl to .h and .cxx files
+  int lastHeadersClass = m_WrapHeadersClasses.size();
+  std::vector<std::string> depends;
+  std::string fluid_exe = "${FLTK_FLUID_EXE}";
+
+
+  // wrap all the .h files
+  depends.push_back(fluid_exe);
+
+  const char * GENERATED_FLTK_FILES_value=
+      m_Makefile->GetDefinition("GENERATED_FLTK_FILES");
+  std::string ui_list("");
+  if (GENERATED_FLTK_FILES_value!=0)
+    {
+    ui_list=ui_list+GENERATED_FLTK_FILES_value;
+    } 
+
+  for(int classNum = 0; classNum < lastHeadersClass; classNum++)
+    {
+    // set up .fl to .h and .cxx command
+
+    std::string hres = m_Makefile->GetCurrentOutputDirectory();
+    hres += "/";
+    hres += m_WrapHeadersClasses[classNum].GetSourceName() + "." +
+        m_WrapHeadersClasses[classNum].GetSourceExtension();
+
+    std::string cxxres = m_Makefile->GetCurrentOutputDirectory();
+    cxxres += "/";
+    cxxres += m_WrapSourcesClasses[classNum].GetSourceName() + "." +
+        m_WrapSourcesClasses[classNum].GetSourceExtension();
+
+    ui_list = ui_list + " " + hres + " " + cxxres;
+    
+    std::vector<std::string> cxxargs;
+    cxxargs.push_back("-h"); // optionally rename .h files
+    cxxargs.push_back(hres);
+    cxxargs.push_back("-o"); // optionally rename .cxx files
+    cxxargs.push_back(cxxres);
+    cxxargs.push_back(m_WrapUserInterface[classNum]);
+
+    depends.push_back(hres);
+
+    m_Makefile->AddCustomCommand(m_WrapUserInterface[classNum].c_str(),
+                                 fluid_exe.c_str(), cxxargs, depends, 
+                                 cxxres.c_str(), m_LibraryName.c_str());
+
+    }
+
+  m_Makefile->AddDefinition("GENERATED_FLTK_FILES",ui_list.c_str());
+
+}
+
+
+

Source/cmFLTKWrapUICommand.h

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+#ifndef cmFLTKWrapUICommand_h
+#define cmFLTKWrapUICommand_h
+
+#include "cmStandardIncludes.h"
+#include "cmCommand.h"
+
+/** \class cmFLTKWrapUICommand
+ * \brief Create .h and .cxx files rules for FLTK user interfaces files
+ *
+ * cmFLTKWrapUICommand is used to create wrappers for FLTK classes into normal C++
+ */
+class cmFLTKWrapUICommand : public cmCommand
+{
+public:
+  /**
+   * This is a virtual constructor for the command.
+   */
+  virtual cmCommand* Clone() 
+    {
+    return new cmFLTKWrapUICommand;
+    }
+
+  /**
+   * This is called when the command is first encountered in
+   * the CMakeLists.txt file.
+   */
+  virtual bool InitialPass(std::vector<std::string> const& args);
+  
+  /**
+   * This is called at the end after all the information
+   * specified by the command is accumulated. Most commands do
+   * not implement this method.  At this point, reading and
+   * writing to the cache can be done.
+   */
+  virtual void FinalPass();
+
+  /**
+   * The name of the command as specified in CMakeList.txt.
+   */
+  virtual const char* GetName() { return "FLTK_WRAP_UI";}
+
+  /**
+   * Succinct documentation.
+   */
+  virtual const char* GetTerseDocumentation() 
+    {
+    return "Create FLTK user interfaces Wrappers.";
+    }
+  
+  /**
+   * More documentation.
+   */
+  virtual const char* GetFullDocumentation()
+    {
+    return
+      "FLTK_WRAP_UI(resultingLibraryName HeadersDestName SourcesDestName "
+      "SourceLists ...)\n"
+      "Produce .h and .cxx files for all the .fl and .fld file listed "
+      "in the SourceLists.\n"
+      "The .h files will be added to the library using the HeadersDestName\n"
+      "source list.\n"
+      "The .cxx files will be added to the library using the SourcesDestName\n"
+      "source list.";
+    }
+  
+private:
+  /**
+   * List of produced files.
+   */
+  std::vector<cmSourceFile> m_WrapSourcesClasses;
+  std::vector<cmSourceFile> m_WrapHeadersClasses;
+  /**
+   * List of header files that pprovide the source for m_WrapClasses.
+   */
+  std::vector<std::string> m_WrapUserInterface;
+  std::string m_LibraryName;
+  std::string m_HeaderList;
+  std::string m_SourceList;
+};
+
+
+
+#endif