/*============================================================================
  CMake - Cross Platform Makefile Generator
  Copyright 2013 Stephen Kelly <steveire@gmail.com>

  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 "cmTargetCompileFeaturesCommand.h"

bool cmTargetCompileFeaturesCommand::InitialPass(
  std::vector<std::string> const& args,
  cmExecutionStatus &)
{
  return this->HandleArguments(args, "COMPILE_FEATURES", NO_FLAGS);
}

void cmTargetCompileFeaturesCommand
::HandleImportedTarget(const std::string &tgt)
{
  std::ostringstream e;
  e << "Cannot specify compile features for imported target \""
    << tgt << "\".";
  this->Makefile->IssueMessage(cmake::FATAL_ERROR, e.str());
}

void cmTargetCompileFeaturesCommand
::HandleMissingTarget(const std::string &name)
{
  std::ostringstream e;
  e << "Cannot specify compile features for target \"" << name << "\" "
       "which is not built by this project.";
  this->Makefile->IssueMessage(cmake::FATAL_ERROR, e.str());
}

//----------------------------------------------------------------------------
std::string cmTargetCompileFeaturesCommand
::Join(const std::vector<std::string> &content)
{
  std::string defs;
  std::string sep;
  for(std::vector<std::string>::const_iterator it = content.begin();
    it != content.end(); ++it)
    {
    defs += sep + *it;
    sep = ";";
    }
  return defs;
}

//----------------------------------------------------------------------------
bool cmTargetCompileFeaturesCommand
::HandleDirectContent(cmTarget *tgt, const std::vector<std::string> &content,
                                   bool, bool)
{
  for(std::vector<std::string>::const_iterator it = content.begin();
    it != content.end(); ++it)
    {
    std::string error;
    if(!this->Makefile->AddRequiredTargetFeature(tgt, *it, &error))
      {
      this->SetError(error);
      return false;
      }
    }
  return true;
}