/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying

   file LICENSE.rst or https://cmake.org/licensing for details.  */

#include "cmInstallSubdirectoryGenerator.h"

#include <memory>

#include <sstream>

#include <utility>

#include <vector>

#include "cmDiagnosticContext.h"

#include "cmListFileCache.h"

#include "cmLocalGenerator.h"

#include "cmMakefile.h"

#include "cmPolicies.h"

#include "cmScriptGenerator.h"

#include "cmSystemTools.h"

cmInstallSubdirectoryGenerator::cmInstallSubdirectoryGenerator(

  cmMakefile* makefile, std::string binaryDirectory,

  cmListFileBacktrace backtrace)

  : cmInstallGenerator("", std::vector<std::string>(), "", MessageDefault,

                       false, false,

                       cmDiagnosticContext{ std::move(backtrace) })

  , Makefile(makefile)

  , BinaryDirectory(std::move(binaryDirectory))

{

}

cmInstallSubdirectoryGenerator::~cmInstallSubdirectoryGenerator() = default;

bool cmInstallSubdirectoryGenerator::HaveInstall()

{

  for (auto const& generator : this->Makefile->GetInstallGenerators()) {

    if (generator->HaveInstall()) {

      return true;

    }

  }

  return false;

}

void cmInstallSubdirectoryGenerator::CheckCMP0082(

  bool& haveSubdirectoryInstall, bool& /*unused*/)

{

  if (this->HaveInstall()) {

    haveSubdirectoryInstall = true;

  }

}

bool cmInstallSubdirectoryGenerator::Compute(cmLocalGenerator* lg)

{

  this->LocalGenerator = lg;

  return true;

}

void cmInstallSubdirectoryGenerator::GenerateScript(std::ostream& os)

{

  if (!this->Makefile->GetPropertyAsBool("EXCLUDE_FROM_ALL")) {

    cmPolicies::PolicyStatus status =

      this->LocalGenerator->GetPolicyStatus(cmPolicies::CMP0082);

    switch (status) {

      case cmPolicies::WARN:

        CM_FALLTHROUGH;

      case cmPolicies::OLD:

        // OLD behavior is handled in cmLocalGenerator::GenerateInstallRules()

        break;

      case cmPolicies::NEW: {

        Indent indent;

        std::string odir = this->BinaryDirectory;

        cmSystemTools::ConvertToUnixSlashes(odir);

        os << indent << "if(NOT CMAKE_INSTALL_LOCAL_ONLY)\n"

           << indent.Next()

           << "# Include the install script for the subdirectory.\n"

           << indent.Next() << "include(\"" << odir

           << "/cmake_install.cmake\")\n"

           << indent << "endif()\n\n";

      } break;

    }

  }

}