238 lines
7.2 KiB
C++
238 lines
7.2 KiB
C++
/*=========================================================================
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Program: Insight Segmentation & Registration Toolkit
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Module: $RCSfile$
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Language: C++
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Date: $Date$
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Version: $Revision$
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Copyright (c) 2002 Insight Consortium. All rights reserved.
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See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#include "cmVTKWrapPythonCommand.h"
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// cmVTKWrapPythonCommand
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bool cmVTKWrapPythonCommand::InitialPass(std::vector<std::string> const& argsIn)
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{
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if(argsIn.size() < 3 )
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{
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this->SetError("called with incorrect number of arguments");
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return false;
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}
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std::vector<std::string> args;
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m_Makefile->ExpandSourceListArguments(argsIn, args, 2);
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// Now check and see if the value has been stored in the cache
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// already, if so use that value and don't look for the program
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if(!m_Makefile->IsOn("VTK_WRAP_PYTHON"))
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{
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return true;
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}
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// what is the current source dir
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std::string cdir = m_Makefile->GetCurrentDirectory();
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// keep the library name
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m_LibraryName = args[0];
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m_SourceList = args[1];
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// get the list of classes for this library
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for(std::vector<std::string>::iterator j = (args.begin() + 2);
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j != args.end(); ++j)
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{
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cmSourceFile *curr = m_Makefile->GetSource(j->c_str());
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// if we should wrap the class
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if (!curr || !curr->GetWrapExclude())
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{
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cmSourceFile file;
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if (curr)
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{
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file.SetIsAnAbstractClass(curr->IsAnAbstractClass());
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}
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std::string srcName = cmSystemTools::GetFilenameWithoutExtension(*j);
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std::string newName = srcName + "Python";
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file.SetName(newName.c_str(), m_Makefile->GetCurrentOutputDirectory(),
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"cxx",false);
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std::string hname = cdir + "/" + srcName + ".h";
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m_WrapHeaders.push_back(hname);
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// add starting depends
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file.GetDepends().push_back(hname);
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m_WrapClasses.push_back(file);
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}
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}
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return true;
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}
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void cmVTKWrapPythonCommand::FinalPass()
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{
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// first we add the rules for all the .h to Python.cxx files
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size_t lastClass = m_WrapClasses.size();
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std::vector<std::string> depends;
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std::string wpython = "${VTK_WRAP_PYTHON_EXE}";
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std::string hints = "${VTK_WRAP_HINTS}";
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std::string sourceListValue;
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m_Makefile->ExpandVariablesInString(hints);
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// was the list already populated
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const char *def = m_Makefile->GetDefinition(m_SourceList.c_str());
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if (def)
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{
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sourceListValue = def;
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sourceListValue += ";";
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}
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// Create the init file
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std::string res = m_LibraryName;
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res += "Init.cxx";
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this->CreateInitFile(res);
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// add the init file
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cmSourceFile cfile;
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cfile.SetIsAnAbstractClass(false);
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std::string newName = m_LibraryName;
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newName += "Init";
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cfile.SetName(newName.c_str(), m_Makefile->GetCurrentOutputDirectory(),
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"cxx",false);
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m_Makefile->AddSource(cfile);
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sourceListValue += newName + ".cxx";
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// wrap all the .h files
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depends.push_back(wpython);
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if (strcmp("${VTK_WRAP_HINTS}",hints.c_str()))
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{
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depends.push_back(hints);
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}
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for(size_t classNum = 0; classNum < lastClass; classNum++)
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{
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m_Makefile->AddSource(m_WrapClasses[classNum]);
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std::string res = m_Makefile->GetCurrentOutputDirectory();
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res += "/";
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res += m_WrapClasses[classNum].GetSourceName() + ".cxx";
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std::vector<std::string> args;
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args.push_back(m_WrapHeaders[classNum]);
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if (strcmp("${VTK_WRAP_HINTS}",hints.c_str()))
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{
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args.push_back(hints);
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}
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args.push_back((m_WrapClasses[classNum].IsAnAbstractClass() ? "0" : "1"));
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args.push_back(res);
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sourceListValue += ";";
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sourceListValue += m_WrapClasses[classNum].GetSourceName() + ".cxx";
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m_Makefile->AddCustomCommand(m_WrapHeaders[classNum].c_str(),
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wpython.c_str(), args, depends,
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res.c_str(), m_LibraryName.c_str());
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}
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m_Makefile->AddDefinition(m_SourceList.c_str(), sourceListValue.c_str());
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}
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bool cmVTKWrapPythonCommand::CreateInitFile(std::string& res)
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{
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std::vector<std::string> classes;
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size_t lastClass = m_WrapHeaders.size();
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size_t classNum;
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for(classNum = 0; classNum < lastClass; classNum++)
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{
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std::string cls = m_WrapHeaders[classNum];
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cls = cls.substr(0,cls.size()-2);
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std::string::size_type pos = cls.rfind('/');
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if(pos != std::string::npos)
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{
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cls = cls.substr(pos+1);
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}
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classes.push_back(cls);
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}
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// open the init file
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std::string outFileName =
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m_Makefile->GetCurrentOutputDirectory();
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outFileName += "/" + res;
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return this->WriteInit(m_LibraryName.c_str(), outFileName, classes);
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}
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/* warning this code is also in getclasses.cxx under pcmaker */
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bool cmVTKWrapPythonCommand::WriteInit(const char *kitName,
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std::string& outFileName,
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std::vector<std::string>& classes)
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{
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unsigned int i;
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std::string tempOutputFile = outFileName + ".tmp";
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FILE *fout = fopen(tempOutputFile.c_str(),"w");
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if (!fout)
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{
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return false;
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}
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fprintf(fout,"#include <string.h>\n");
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fprintf(fout,"#include \"Python.h\"\n\n");
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for (i = 0; i < classes.size(); i++)
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{
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#ifdef _WIN32
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fprintf(fout,"extern \"C\" {__declspec( dllexport) PyObject *PyVTKClass_%sNew(char *); }\n",classes[i].c_str());
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#else
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fprintf(fout,"extern \"C\" {PyObject *PyVTKClass_%sNew(char *); }\n",classes[i].c_str());
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#endif
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}
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fprintf(fout,"\nstatic PyMethodDef Py%s_ClassMethods[] = {\n",
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kitName);
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fprintf(fout,"{NULL, NULL}};\n\n");
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#ifdef _WIN32
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fprintf(fout,"extern \"C\" {__declspec( dllexport) void init%s();}\n\n",kitName);
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fprintf(fout,"void init%s()\n{\n",kitName);
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#else
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fprintf(fout,"extern \"C\" {void initlib%s();}\n\n",kitName);
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fprintf(fout,"void initlib%s()\n{\n",kitName);
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#endif
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/* module init function */
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fprintf(fout," PyObject *m, *d, *c;\n\n");
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#ifdef _WIN32
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fprintf(fout," static char modulename[] = \"%s\";\n",kitName);
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#else
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fprintf(fout," static char modulename[] = \"lib%s\";\n",kitName);
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#endif
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fprintf(fout," m = Py_InitModule(modulename, Py%s_ClassMethods);\n",
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kitName);
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fprintf(fout," d = PyModule_GetDict(m);\n");
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fprintf(fout," if (!d) Py_FatalError(\"can't get dictionary for module %s!\");\n\n",
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kitName);
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for (i = 0; i < classes.size(); i++)
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{
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fprintf(fout," if ((c = PyVTKClass_%sNew(modulename)))\n",
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classes[i].c_str());
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fprintf(fout," if (-1 == PyDict_SetItemString(d, \"%s\", c))\n",
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classes[i].c_str());
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fprintf(fout," Py_FatalError(\"can't add class %s to dictionary!\");\n\n",
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classes[i].c_str());
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}
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fprintf(fout,"}\n\n");
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fclose(fout);
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// copy the file if different
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cmSystemTools::CopyFileIfDifferent(tempOutputFile.c_str(),
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outFileName.c_str());
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cmSystemTools::RemoveFile(tempOutputFile.c_str());
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return true;
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}
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