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+/*=========================================================================
+
+ 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 "cmUseMangledMesaCommand.h"
+#include "cmSystemTools.h"
+
+// cmUseMangledMesaCommand
+bool cmUseMangledMesaCommand::InitialPass(std::vector<std::string>& args)
+{
+ // expected two arguments:
+ // arguement one: the full path to gl_mangle.h
+ // arguement two : directory for output of edited headers
+ if(args.size() < 2)
+ {
+ this->SetError("called with incorrect number of arguments");
+ return false;
+ }
+ m_Makefile->ExpandVariablesInString(args[0]);
+ m_Makefile->ExpandVariablesInString(args[1]);
+ const char* inputFileName = args[0].c_str();
+ const char* destDir = args[1].c_str();
+ std::string dir, file;
+ cmSystemTools::SplitProgramPath(inputFileName, dir, file);
+ std::vector<std::string> files;
+ cmSystemTools::Glob(dir.c_str(), "\\.h$", files);
+ if(files.size() == 0)
+ {
+ cmSystemTools::Error("Could not open Mesa Directory ", dir.c_str());
+ return false;
+ }
+ cmSystemTools::MakeDirectory(destDir);
+ for(std::vector<std::string>::iterator i = files.begin();
+ i != files.end(); ++i)
+ {
+ std::string path = dir.c_str();
+ path += "/";
+ path += *i;
+ this->CopyAndFullPathMesaHeader(path.c_str(), destDir);
+ }
+
+ return true;
+}
+
+void
+cmUseMangledMesaCommand::
+CopyAndFullPathMesaHeader(const char* source,
+ const char* outdir)
+{
+ std::string dir, file;
+ cmSystemTools::SplitProgramPath(source, dir, file);
+ std::string outFile = outdir;
+ outFile += "/";
+ outFile += file;
+ std::string tempOutputFile = outFile;
+ tempOutputFile += ".tmp";
+ std::ofstream fout(tempOutputFile.c_str());
+ if(!fout)
+ {
+ cmSystemTools::Error("Could not open file for write in copy operatation: ",
+ tempOutputFile.c_str(), outdir);
+ return;
+ }
+ std::ifstream fin(source);
+ if(!fin)
+ {
+ cmSystemTools::Error("Could not open file for read in copy operatation",
+ source);
+ 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;
+ // regular expression for any #include line
+ cmRegularExpression includeLine("^[ \t]*#[ \t]*include[ \t]*[<\"]([^\">]+)[\">]");
+ // regular expression for gl/ or GL/ in a file (match(1) of above)
+ cmRegularExpression glDirLine("(gl|GL)(/|\\\\)([^<\"]+)");
+ // regular expression for gl GL or xmesa in a file (match(1) of above)
+ cmRegularExpression glLine("(gl|GL|xmesa)");
+ while(fin)
+ {
+ fin.getline(buffer, bufSize);
+ if(fin)
+ {
+ inLine = buffer;
+ if(includeLine.find(inLine.c_str()))
+ {
+ std::string includeFile = includeLine.match(1);
+ if(glDirLine.find(includeFile.c_str()))
+ {
+ std::string file = glDirLine.match(3);
+ fout << "#include \"" << outdir << "/" << file.c_str() << "\"\n";
+ }
+ else if(glLine.find(includeFile.c_str()))
+ {
+ fout << "#include \"" << outdir << "/" << includeLine.match(1).c_str() << "\"\n";
+ }
+ else
+ {
+ fout << inLine << "\n";
+ }
+ }
+ else
+ {
+ fout << inLine << "\n";
+ }
+ }
+ }
+ // close the files before attempting to copy
+ fin.close();
+ fout.close();
+ cmSystemTools::CopyFileIfDifferent(tempOutputFile.c_str(),
+ outFile.c_str());
+ cmSystemTools::RemoveFile(tempOutputFile.c_str());
+}
+