/*=========================================================================

  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 "cmBorlandMakefileGenerator.h"
#include "cmMakefile.h"
#include "cmStandardIncludes.h"
#include "cmSystemTools.h"
#include "cmSourceFile.h"
#include "cmMakeDepend.h"
#include "cmCacheManager.h"
#include "cmGeneratedFileStream.h"
#include "windows.h"


cmBorlandMakefileGenerator::cmBorlandMakefileGenerator()
{
  this->SetLibraryPathOption("-L");
  this->SetLibraryLinkOption("");
}

cmBorlandMakefileGenerator::~cmBorlandMakefileGenerator()
{
}


void cmBorlandMakefileGenerator::ComputeSystemInfo()
{
  // now load the settings
  if(!m_Makefile->GetDefinition("CMAKE_ROOT"))
    {
    cmSystemTools::Error(
      "CMAKE_ROOT has not been defined, bad GUI or driver program");
    return;
    }
  std::string outdir = m_Makefile->GetCurrentOutputDirectory();
  if(outdir.find('-') != std::string::npos)
    {
    std::string message = "The Borland command line tools do not support path names that have - in them.  Please re-name your output directory and use _ instead of -.";
    message += "\nYour path currently is: ";
    message += outdir;
    cmSystemTools::Error(message.c_str());
    }
  
  std::string fpath = 
    m_Makefile->GetDefinition("CMAKE_ROOT");
  fpath += "/Templates/CMakeBorlandWindowsSystemConfig.cmake";
  m_Makefile->ReadListFile(NULL,fpath.c_str());
}


  
void cmBorlandMakefileGenerator::OutputMakeVariables(std::ostream& fout)
{
  fout << "# NMake Makefile generated by cmake\n";
  const char* variables = 
    "# general varibles used in the makefile\n"
    "\n"
    "CMAKE_STANDARD_WINDOWS_LIBRARIES = @CMAKE_STANDARD_WINDOWS_LIBRARIES@\n"
    "CMAKE_C_FLAGS        = @CMAKE_C_FLAGS@ @BUILD_FLAGS@\n"
    "CMAKE_OBJECT_FILE_SUFFIX            = @CMAKE_OBJECT_FILE_SUFFIX@\n"
    "CMAKE_EXECUTABLE_SUFFIX             = @CMAKE_EXECUTABLE_SUFFIX@\n"
    "CMAKE_STATICLIB_SUFFIX              = @CMAKE_STATICLIB_SUFFIX@\n"
    "CMAKE_SHLIB_SUFFIX                  = @CMAKE_SHLIB_SUFFIX@\n" 
    "CMAKE_LINKER_FLAGS                  = @CMAKE_LINKER_FLAGS@ @LINKER_BUILD_FLAGS@\n"
    "CMAKE_CXX_FLAGS      = -P @CMAKE_CXX_FLAGS@ @BUILD_FLAGS@\n";
  std::string buildType = "CMAKE_CXX_FLAGS_";
  buildType +=  m_Makefile->GetDefinition("CMAKE_BUILD_TYPE");
  buildType = cmSystemTools::UpperCase(buildType);
  m_Makefile->AddDefinition("BUILD_FLAGS",
                            m_Makefile->GetDefinition(
                              buildType.c_str()));
  
  buildType = "CMAKE_LINKER_FLAGS_";
  buildType +=  m_Makefile->GetDefinition("CMAKE_BUILD_TYPE");
  buildType = cmSystemTools::UpperCase(buildType);
  m_Makefile->AddDefinition("LINKER_BUILD_FLAGS",
                            m_Makefile->GetDefinition(
                              buildType.c_str()));

  std::string replaceVars = variables;
  m_Makefile->ExpandVariablesInString(replaceVars);
  
  std::string ccompiler = m_Makefile->GetDefinition("CMAKE_C_COMPILER");
  cmSystemTools::ConvertToWindowsSlashes(ccompiler);
  fout << "CMAKE_C_COMPILER  = " << cmSystemTools::EscapeSpaces(ccompiler.c_str())
       << "\n";
  std::string cxxcompiler = m_Makefile->GetDefinition("CMAKE_CXX_COMPILER");
  cmSystemTools::ConvertToWindowsSlashes(cxxcompiler);
  fout << "CMAKE_CXX_COMPILER  = " << cmSystemTools::EscapeSpaces(cxxcompiler.c_str())
       << "\n";

  
  std::string cmakecommand = m_Makefile->GetDefinition("CMAKE_COMMAND");
  cmSystemTools::ConvertToWindowsSlashes(cmakecommand);
  fout << "CMAKE_COMMAND = " << cmSystemTools::EscapeSpaces(cmakecommand.c_str()) << "\n";

  fout << replaceVars.c_str();
  fout << "CMAKE_CURRENT_SOURCE = " 
       << ShortPath(m_Makefile->GetStartDirectory() )
       << "\n";
  fout << "CMAKE_CURRENT_BINARY = " 
       << ShortPath(m_Makefile->GetStartOutputDirectory())
       << "\n";
  fout << "CMAKE_SOURCE_DIR = " 
       << ShortPath(m_Makefile->GetHomeDirectory()) << "\n";
  fout << "CMAKE_BINARY_DIR = " 
       << ShortPath(m_Makefile->GetHomeOutputDirectory() )
       << "\n";
  // Output Include paths
  fout << "INCLUDE_FLAGS = ";
  std::vector<std::string>& includes = m_Makefile->GetIncludeDirectories();
  std::vector<std::string>::iterator i;
  fout << "-I" << cmSystemTools::EscapeSpaces(m_Makefile->GetStartDirectory()) << " ";
  for(i = includes.begin(); i != includes.end(); ++i)
    {
    std::string include = *i;
    // Don't output a -I for the standard include path "/usr/include".
    // This can cause problems with certain standard library
    // implementations because the wrong headers may be found first.
    if(include != "/usr/include")
      {
      fout << "-I" << cmSystemTools::EscapeSpaces(i->c_str()).c_str() << " ";
      }
    } 
  fout << m_Makefile->GetDefineFlags();
  fout << "\n\n";
}


void cmBorlandMakefileGenerator::BuildInSubDirectory(std::ostream& fout,
                                                  const char* directory,
                                                  const char* target1,
                                                  const char* target2)
{
  if(target1)
    {
    std::string dir = directory;
    cmSystemTools::ConvertToWindowsSlashes(dir);
    fout << "\tif not exist " << cmSystemTools::EscapeSpaces(dir.c_str())
         << " " 
         << "$(MAKE) rebuild_cache\n"
         << "\tcd .\\" << directory << "\n"
         << "\t$(MAKE) -$(MAKEFLAGS) " << target1 << "\n";
    }
  if(target2)
    {
    fout << "\t$(MAKE) -$(MAKEFLAGS) " << target2 << "\n";
    }
  std::string currentDir = m_Makefile->GetCurrentOutputDirectory();
  cmSystemTools::ConvertToWindowsSlashes(currentDir);
  fout << "\tcd " << cmSystemTools::EscapeSpaces(currentDir.c_str()) << "\n";
}




// This needs to be overriden because nmake requires commands to be quoted
// if the are full paths to the executable????

void cmBorlandMakefileGenerator::OutputMakeRule(std::ostream& fout, 
                                              const char* comment,
                                              const char* target,
                                              const char* depends, 
                                              const char* command,
                                              const char* command2,
                                              const char* command3,
                                              const char* command4)
{
  if(!target)
    {
    cmSystemTools::Error("no target for OutputMakeRule");
    return;
    }
  
  std::string replace;
  if(comment)
    {
    replace = comment;
    m_Makefile->ExpandVariablesInString(replace);
    fout << "#---------------------------------------------------------\n";
    fout << "# " << comment;
    fout << "\n#\n";
    }
  fout << "\n";
  replace = target;
  m_Makefile->ExpandVariablesInString(replace);
  replace = cmSystemTools::EscapeSpaces(replace.c_str());
  fout << replace.c_str() << ": ";
  if(depends)
    {
    replace = depends;
    m_Makefile->ExpandVariablesInString(replace);
    fout << replace.c_str();
    }
  fout << "\n";
  const char* startCommand = "\t";
  const char* endCommand = "\n";
  if(command)
    {
    replace = ShortPathCommand(command);
    m_Makefile->ExpandVariablesInString(replace);
    fout << startCommand << replace.c_str() << endCommand;
    }
  if(command2)
    {
    replace = ShortPathCommand(command2);
    m_Makefile->ExpandVariablesInString(replace);
    fout << startCommand << replace.c_str() << endCommand;
    }
  if(command3)
    {
    replace = ShortPathCommand(command3);
    m_Makefile->ExpandVariablesInString(replace);
    fout << startCommand << replace.c_str() << endCommand;
    }
  if(command4)
    {
    replace = ShortPathCommand(command4);
    m_Makefile->ExpandVariablesInString(replace);
    fout << startCommand << replace.c_str() << endCommand;
    }
  fout << "\n";
}

void 
cmBorlandMakefileGenerator::
OutputBuildObjectFromSource(std::ostream& fout,
                            const char* shortName,
                            const cmSourceFile& source,
                            const char* extraCompileFlags,
                            bool shared)
{ 
  std::string comment = "Build ";
  std::string objectFile = std::string(shortName) + 
    this->GetOutputExtension(source.GetSourceExtension().c_str());
  cmSystemTools::ConvertToWindowsSlashes(objectFile);
  comment += objectFile + "  From ";
  comment += source.GetFullPath();
  std::string compileCommand;
  std::string ext = source.GetSourceExtension();
  if(ext == "c" )
    {
    compileCommand = "$(CMAKE_C_COMPILER) $(CMAKE_C_FLAGS) ";
    compileCommand += extraCompileFlags;
    if(shared)
      {
      compileCommand += "$(CMAKE_SHLIB_CFLAGS) ";
      }
    compileCommand += " -o";
    compileCommand += objectFile;
    compileCommand += " $(INCLUDE_FLAGS) -c ";
    compileCommand += 
      cmSystemTools::EscapeSpaces(source.GetFullPath().c_str());
    }
  else if (ext == "rc")
    {
    compileCommand = "$(RC) -o\"";
    compileCommand += objectFile;
    compileCommand += "\" ";
    compileCommand += 
      cmSystemTools::EscapeSpaces(source.GetFullPath().c_str());
    }
  else if (ext == "def")
    {
    // no rule to output for this one
    return;
    }
  // assume c++ if not c rc or def
  else
    {
    compileCommand = "$(CMAKE_CXX_COMPILER) $(CMAKE_CXX_FLAGS) ";
    compileCommand += extraCompileFlags;
    if(shared)
      {
      compileCommand += "$(CMAKE_SHLIB_CFLAGS) ";
      }
    compileCommand += " -o";
    compileCommand += objectFile;
    compileCommand += " $(INCLUDE_FLAGS) -c ";
    compileCommand += 
      cmSystemTools::EscapeSpaces(source.GetFullPath().c_str());
    }
  this->OutputMakeRule(fout,
                       comment.c_str(),
                       objectFile.c_str(),
                       cmSystemTools::EscapeSpaces(
                         source.GetFullPath().c_str()).c_str(),
                       compileCommand.c_str());
}

void cmBorlandMakefileGenerator::OutputSharedLibraryRule(std::ostream& fout, 
                                                       const char* name,
                                                       const cmTarget &t)
{
  std::string target = m_LibraryOutputPath + name;
  std::string libpath = target + ".lib";
  target += ".dll";
  cmSystemTools::ConvertToWindowsSlashes(libpath);
  cmSystemTools::ConvertToWindowsSlashes(target);
  target = cmSystemTools::EscapeSpaces(target.c_str());
  libpath = cmSystemTools::EscapeSpaces(libpath.c_str());
  std::string depend = "$(";
  depend += name;
  depend += "_SRC_OBJS) $(" + std::string(name) + "_DEPEND_LIBS)";
  std::string command = "$(CMAKE_CXX_COMPILER) -tWD $(CMAKE_LINKER_FLAGS) @&&|\n";
  // must be executable name
  command += "-e";
  command += target;
  command += " ";
  std::strstream linklibs;
  this->OutputLinkLibraries(linklibs, name, t);
  linklibs << std::ends;
  // then the linker options -L and libraries (any other order will fail!)
  command += linklibs.str();
  delete [] linklibs.str();
  // then list of object files
  command += " $(" + std::string(name) + "_SRC_OBJS) ";
  std::string command2 = "implib -w ";
  command2 += libpath + " " + target;
  const std::vector<cmSourceFile>& sources = t.GetSourceFiles();
  for(std::vector<cmSourceFile>::const_iterator i = sources.begin();
      i != sources.end(); ++i)
    {
    if(i->GetSourceExtension() == "def")
      {
      command += "";
      command += i->GetFullPath();
      }
    }
  command += "\n|\n";
    
  std::string customCommands = this->CreateTargetRules(t, name);
  const char* cc = 0;
  if(customCommands.size() > 0)
    {
    cc = customCommands.c_str();
    }
  this->OutputMakeRule(fout, "rules for a shared library",
                       target.c_str(),
                       depend.c_str(),
                       command.c_str(),
                       command2.c_str(),
                       cc);
}

void cmBorlandMakefileGenerator::OutputModuleLibraryRule(std::ostream& fout, 
                                                       const char* name, 
                                                       const cmTarget &target)
{
  this->OutputSharedLibraryRule(fout, name, target);
}

void cmBorlandMakefileGenerator::OutputStaticLibraryRule(std::ostream& fout, 
                                                       const char* name,
                                                       const cmTarget &t)
{
  std::string target = m_LibraryOutputPath + std::string(name) + ".lib";
  cmSystemTools::ConvertToWindowsSlashes(target);
  target = cmSystemTools::EscapeSpaces(target.c_str());
  std::string depend = "$(";
  depend += std::string(name) + "_SRC_OBJS)";
  std::string command = "tlib  @&&|\n\t /u ";
  command += target;
  std::string deleteCommand = "if exist ";
  deleteCommand +=  target;
  deleteCommand += " del ";
  deleteCommand += target;
  command += " $(";
  command += std::string(name) + "_SRC_OBJS)";
  command += "\n|\n";
  std::string comment = "rule to build static library: ";
  comment += name;
  std::string customCommands = this->CreateTargetRules(t, name);
  const char* cc = 0;
  if(customCommands.size() > 0)
    {
    cc = customCommands.c_str();
    }
  this->OutputMakeRule(fout,
                       comment.c_str(),
                       target.c_str(),
                       depend.c_str(),
                       deleteCommand.c_str(),
                       command.c_str(), cc);
}

void cmBorlandMakefileGenerator::OutputExecutableRule(std::ostream& fout,
                                                    const char* name,
                                                    const cmTarget &t)
{
  std::string target = m_ExecutableOutputPath + name + m_ExecutableExtension;
  cmSystemTools::ConvertToWindowsSlashes(target);
  target = cmSystemTools::EscapeSpaces(target.c_str());
  std::string depend = "$(";
  depend += std::string(name) + "_SRC_OBJS) $(" + std::string(name) + "_DEPEND_LIBS)";
  std::string command = 
    "$(CMAKE_CXX_COMPILER) ";
  command += " $(CMAKE_LINKER_FLAGS) -e" + target;
  if(t.GetType() == cmTarget::WIN32_EXECUTABLE)
    {
    command +=  " -tWM ";
    }
  else
    {
    command += " -tWC ";
    }
  std::strstream linklibs;
  this->OutputLinkLibraries(linklibs, 0, t);
  linklibs << std::ends;
  command += linklibs.str();
  delete [] linklibs.str();
  command += " $(" + std::string(name) + "_SRC_OBJS) ";
  
  std::string comment = "rule to build executable: ";
  comment += name;
  std::string customCommands = this->CreateTargetRules(t, name);
  const char* cc = 0;
  if(customCommands.size() > 0)
    {
    cc = customCommands.c_str();
    }
  this->OutputMakeRule(fout, 
                       comment.c_str(),
                       target.c_str(),
                       depend.c_str(),
                       command.c_str(), cc);
}

  


std::string cmBorlandMakefileGenerator::GetOutputExtension(const char* s)
{
  std::string sourceExtension = s;
  if(sourceExtension == "def")
    {
    return "";
    }
  if(sourceExtension == "ico" || sourceExtension == "rc2")
    {
    return "";
    }
  if(sourceExtension == "rc")
    {
    return ".res";
    }
  return ".obj";
}



bool cmBorlandMakefileGenerator::SamePath(const char* path1, const char* path2)
{
  // first check to see if they are the same anyway
  if (strcmp(path1, path2) == 0)
    {
    return true;
    }
  // next short path and lower case both of them for the compare
  return 
    cmSystemTools::LowerCase(ShortPath(path1)) ==
    cmSystemTools::LowerCase(ShortPath(path2));
}

void cmBorlandMakefileGenerator::OutputBuildLibraryInDir(std::ostream& fout,
						       const char* path,
						       const char* s,
						       const char* fullpath)
{
  cmNMakeMakefileGenerator::OutputBuildLibraryInDir(fout, path, s, fullpath);
}