249 lines
8.1 KiB
C++
249 lines
8.1 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) 2001 Insight Consortium
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* The name of the Insight Consortium, nor the names of any consortium members,
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nor of any contributors, may be used to endorse or promote products derived
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from this software without specific prior written permission.
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* Modified source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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>& args)
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{
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if(args.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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// 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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cmMakefile::SourceMap &Classes = m_Makefile->GetSources();
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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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cmMakefile::SourceMap::iterator l = Classes.find(*j);
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if (l == Classes.end())
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{
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this->SetError("bad source list passed to VTKWrapPythonCommand");
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return false;
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}
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for(std::vector<cmSourceFile>::iterator i = l->second.begin();
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i != l->second.end(); i++)
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{
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cmSourceFile &curr = *i;
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// if we should wrap the class
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if (!curr.GetWrapExclude())
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{
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cmSourceFile file;
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file.SetIsAnAbstractClass(curr.IsAnAbstractClass());
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std::string newName = curr.GetSourceName() + "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 + "/" + curr.GetSourceName() + ".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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}
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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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int 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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m_Makefile->ExpandVariablesInString(hints);
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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,m_SourceList.c_str());
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// wrap all the .h files
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depends.push_back(wpython);
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depends.push_back(hints);
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for(int classNum = 0; classNum < lastClass; classNum++)
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{
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m_Makefile->AddSource(m_WrapClasses[classNum],m_SourceList.c_str());
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std::string 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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args.push_back(hints);
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args.push_back((m_WrapClasses[classNum].IsAnAbstractClass() ? "0" : "1"));
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args.push_back(">");
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args.push_back(res);
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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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}
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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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int lastClass = m_WrapHeaders.size();
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int classNum;
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for(classNum = 0; classNum < lastClass; classNum++)
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{
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if (!m_WrapClasses[classNum].IsAnAbstractClass())
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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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}
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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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