CMake/Source/cmConfigureFileCommand.cxx

154 lines
4.2 KiB
C++

/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "cmConfigureFileCommand.h"
// cmConfigureFileCommand
bool cmConfigureFileCommand::InitialPass(std::vector<std::string> const& 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;
m_EscapeQuotes = false;
m_Immediate = false;
m_AtOnly = false;
for(unsigned int i=2;i < args.size();++i)
{
if(args[i] == "COPYONLY")
{
m_CopyOnly = true;
}
else if(args[i] == "ESCAPE_QUOTES")
{
m_EscapeQuotes = true;
}
else if(args[i] == "@ONLY")
{
m_AtOnly = true;
}
else if(args[i] == "IMMEDIATE")
{
m_Immediate = true;
}
}
// If we were told to copy the file immediately, then do it on the
// first pass (now).
if(m_Immediate)
{
this->ConfigureFile();
}
return true;
}
void cmConfigureFileCommand::FinalPass()
{
if(!m_Immediate)
{
this->ConfigureFile();
}
}
void cmConfigureFileCommand::ConfigureFile()
{
m_Makefile->AddCMakeDependFile(m_InputFile.c_str());
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());
}
if(m_CopyOnly)
{
cmSystemTools::CopyFileIfDifferent(m_InputFile.c_str(),
m_OuputFile.c_str());
}
else
{
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;
}
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;
}
// 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;
m_Makefile->ExpandVariablesInString(inLine, m_EscapeQuotes, m_AtOnly);
m_Makefile->RemoveVariablesInString(inLine, m_AtOnly);
// 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");
fout << inLine << "\n";
}
else
{
cmSystemTools::ReplaceString(inLine,
"#cmakedefine", "#undef");
fout << "/* " << inLine << " */\n";
}
}
else
{
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());
}
}