/*============================================================================
  CMake - Cross Platform Makefile Generator
  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium

  Distributed under the OSI-approved BSD License (the "License");
  see accompanying file Copyright.txt for details.

  This software is distributed WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the License for more information.
============================================================================*/
#include "cmLocalXCodeGenerator.h"

#include "cmGlobalXCodeGenerator.h"
#include "cmMakefile.h"
#include "cmSourceFile.h"

//----------------------------------------------------------------------------
cmLocalXCodeGenerator::cmLocalXCodeGenerator(cmGlobalGenerator* gg,
                                             cmMakefile* mf)
  : cmLocalGenerator(gg, mf)
{
  // the global generator does this, so do not
  // put these flags into the language flags
  this->EmitUniversalBinaryFlags = false;
}

//----------------------------------------------------------------------------
cmLocalXCodeGenerator::~cmLocalXCodeGenerator()
{
}

//----------------------------------------------------------------------------
std::string
cmLocalXCodeGenerator::GetTargetDirectory(cmGeneratorTarget const*) const
{
  // No per-target directory for this generator (yet).
  return "";
}

//----------------------------------------------------------------------------
void cmLocalXCodeGenerator::AppendFlagEscape(std::string& flags,
                                             const std::string& rawFlag)
{
  cmGlobalXCodeGenerator* gg =
    static_cast<cmGlobalXCodeGenerator*>(this->GlobalGenerator);
  gg->AppendFlag(flags, rawFlag);
}

//----------------------------------------------------------------------------
void cmLocalXCodeGenerator::Generate()
{
  cmLocalGenerator::Generate();

  std::vector<cmGeneratorTarget*> targets = this->GetGeneratorTargets();
  for(std::vector<cmGeneratorTarget*>::iterator iter = targets.begin();
      iter != targets.end(); ++iter)
    {
    (*iter)->HasMacOSXRpathInstallNameDir("");
    }
}

//----------------------------------------------------------------------------
void cmLocalXCodeGenerator::GenerateInstallRules()
{
  cmLocalGenerator::GenerateInstallRules();

  std::vector<cmGeneratorTarget*> targets = this->GetGeneratorTargets();
  for(std::vector<cmGeneratorTarget*>::iterator iter = targets.begin();
      iter != targets.end(); ++iter)
    {
    (*iter)->HasMacOSXRpathInstallNameDir("");
    }
}

//----------------------------------------------------------------------------
void cmLocalXCodeGenerator::ComputeObjectFilenames(
                        std::map<cmSourceFile const*, std::string>& mapping,
                        cmGeneratorTarget const*)
{
  // Count the number of object files with each name. Warn about duplicate
  // names since Xcode names them uniquely automatically with a numeric suffix
  // to avoid exact duplicate file names. Note that Mac file names are not
  // typically case sensitive, hence the LowerCase.
  std::map<std::string, int> counts;
  for(std::map<cmSourceFile const*, std::string>::iterator
      si = mapping.begin(); si != mapping.end(); ++si)
    {
    cmSourceFile const* sf = si->first;
    std::string objectName =
      cmSystemTools::GetFilenameWithoutLastExtension(sf->GetFullPath());
    objectName += ".o";

    std::string objectNameLower = cmSystemTools::LowerCase(objectName);
    counts[objectNameLower] += 1;
    if (2 == counts[objectNameLower])
      {
      // TODO: emit warning about duplicate name?
      }
    si->second = objectName;
    }
}
