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

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

#include "cmInstallRuntimeDependencySetGenerator.h"

#include <ostream>

#include <string>

#include <utility>

#include <vector>

#include "cmGeneratorExpression.h"

#include "cmInstallGenerator.h"

#include "cmInstallType.h"

#include "cmListFileCache.h"

#include "cmLocalGenerator.h"

#include "cmMakefile.h"

#include "cmMessageType.h"

#include "cmScriptGenerator.h"

#include "cmStringAlgorithms.h"

#include "cmake.h"

cmInstallRuntimeDependencySetGenerator::cmInstallRuntimeDependencySetGenerator(

  DependencyType type, cmInstallRuntimeDependencySet* dependencySet,

  std::vector<std::string> installRPaths, bool noInstallRPath,

  std::string installNameDir, bool noInstallName, char const* depsVar,

  char const* rpathPrefix, char const* tmpVarPrefix, std::string destination,

  std::vector<std::string> const& configurations, std::string component,

  std::string permissions, MessageLevel message, bool exclude_from_all,

  cmListFileBacktrace backtrace)

  : cmInstallGenerator(std::move(destination), configurations,

                       std::move(component), message, exclude_from_all, false,

                       std::move(backtrace))

  , Type(type)

  , DependencySet(dependencySet)

  , InstallRPaths(std::move(installRPaths))

  , NoInstallRPath(noInstallRPath)

  , InstallNameDir(std::move(installNameDir))

  , NoInstallName(noInstallName)

  , Permissions(std::move(permissions))

  , DepsVar(depsVar)

  , RPathPrefix(rpathPrefix)

  , TmpVarPrefix(tmpVarPrefix)

{

  this->ActionsPerConfig = true;

}

bool cmInstallRuntimeDependencySetGenerator::Compute(cmLocalGenerator* lg)

{

  this->LocalGenerator = lg;

  return true;

}

void cmInstallRuntimeDependencySetGenerator::GenerateScriptForConfig(

  std::ostream& os, std::string const& config, Indent indent)

{

  if (!this->LocalGenerator->GetMakefile()

         ->GetSafeDefinition("CMAKE_INSTALL_NAME_TOOL")

         .empty() &&

      !this->NoInstallName) {

    std::string installNameDir = "@rpath/";

    if (!this->InstallNameDir.empty()) {

      installNameDir = this->InstallNameDir;

      cmGeneratorExpression::ReplaceInstallPrefix(installNameDir,

                                                  "${CMAKE_INSTALL_PREFIX}");

      installNameDir = cmGeneratorExpression::Evaluate(

        installNameDir, this->LocalGenerator, config);

      if (installNameDir.empty()) {

        this->LocalGenerator->GetMakefile()->GetCMakeInstance()->IssueMessage(

          MessageType::FATAL_ERROR,

          "INSTALL_NAME_DIR argument must not evaluate to an "

          "empty string",

          this->Backtrace);

        return;

      }

      if (installNameDir.back() != '/') {

        installNameDir += '/';

      }

    }

    os << indent << "set(" << this->TmpVarPrefix << "_install_name_dir \""

       << installNameDir << "\")\n";

  }

  os << indent << "foreach(" << this->TmpVarPrefix << "_dep IN LISTS "

     << this->DepsVar << ")\n";

  if (!this->LocalGenerator->GetMakefile()

         ->GetSafeDefinition("CMAKE_INSTALL_NAME_TOOL")

         .empty()) {

    std::vector<std::string> evaluatedRPaths;

    for (auto const& rpath : this->InstallRPaths) {

      std::string result =

        cmGeneratorExpression::Evaluate(rpath, this->LocalGenerator, config);

      if (!result.empty()) {

        evaluatedRPaths.push_back(std::move(result));

      }

    }

    switch (this->Type) {

      case DependencyType::Library:

        this->GenerateAppleLibraryScript(os, config, evaluatedRPaths,

                                         indent.Next());

        break;

      case DependencyType::Framework:

        this->GenerateAppleFrameworkScript(os, config, evaluatedRPaths,

                                           indent.Next());

        break;

    }

  } else {

    std::string depVar = cmStrCat(this->TmpVarPrefix, "_dep");

    this->AddInstallRule(

      os, this->GetDestination(config), cmInstallType_SHARED_LIBRARY, {},

      false, this->Permissions.c_str(), nullptr, nullptr,

      " FOLLOW_SYMLINK_CHAIN", indent.Next(), depVar.c_str());

    if (this->LocalGenerator->GetMakefile()->GetSafeDefinition(

          "CMAKE_SYSTEM_NAME") == "Linux" &&

        !this->NoInstallRPath) {

      std::string evaluatedRPath;

      for (auto const& rpath : this->InstallRPaths) {

        std::string result =

          cmGeneratorExpression::Evaluate(rpath, this->LocalGenerator, config);

        if (!result.empty()) {

          if (evaluatedRPath.empty()) {

            evaluatedRPath = std::move(result);

          } else {

            evaluatedRPath += ':';

            evaluatedRPath += result;

          }

        }

      }

      os << indent.Next() << "get_filename_component(" << this->TmpVarPrefix

         << "_dep_name \"${" << this->TmpVarPrefix << "_dep}\" NAME)\n";

      if (evaluatedRPath.empty()) {

        os << indent.Next() << "file(RPATH_REMOVE FILE \""

           << GetDestDirPath(

                ConvertToAbsoluteDestination(this->GetDestination(config)))

           << "/${" << this->TmpVarPrefix << "_dep_name}\")\n";

      } else {

        os << indent.Next() << "file(RPATH_SET FILE \""

           << GetDestDirPath(

                ConvertToAbsoluteDestination(this->GetDestination(config)))

           << "/${" << this->TmpVarPrefix << "_dep_name}\" NEW_RPATH "

           << cmScriptGenerator::Quote(evaluatedRPath) << ")\n";

      }

    }

  }

  os << indent << "endforeach()\n";

}

void cmInstallRuntimeDependencySetGenerator::GenerateAppleLibraryScript(

  std::ostream& os, std::string const& config,

  std::vector<std::string> const& evaluatedRPaths, Indent indent)

{

  os << indent << "if(NOT " << this->TmpVarPrefix

     << "_dep MATCHES \"\\\\.framework/\")\n";

  auto depName = cmStrCat(this->TmpVarPrefix, "_dep");

  this->AddInstallRule(

    os, this->GetDestination(config), cmInstallType_SHARED_LIBRARY, {}, false,

    this->Permissions.c_str(), nullptr, nullptr, " FOLLOW_SYMLINK_CHAIN",

    indent.Next(), depName.c_str());

  os << indent.Next() << "get_filename_component(" << this->TmpVarPrefix

     << "_dep_name \"${" << this->TmpVarPrefix << "_dep}\" NAME)\n";

  auto depNameVar = cmStrCat("${", this->TmpVarPrefix, "_dep_name}");

  this->GenerateInstallNameFixup(os, config, evaluatedRPaths,

                                 cmStrCat("${", this->TmpVarPrefix, "_dep}"),

                                 depNameVar, indent.Next());

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

}

void cmInstallRuntimeDependencySetGenerator::GenerateAppleFrameworkScript(

  std::ostream& os, std::string const& config,

  std::vector<std::string> const& evaluatedRPaths, Indent indent)

{

  os << indent << "if(" << this->TmpVarPrefix

     << "_dep MATCHES \"^(.*/)?([^/]*\\\\.framework)/(.*)$\")\n"

     << indent.Next() << "set(" << this->TmpVarPrefix

     << "_dir \"${CMAKE_MATCH_1}\")\n"

     << indent.Next() << "set(" << this->TmpVarPrefix

     << "_name \"${CMAKE_MATCH_2}\")\n"

     << indent.Next() << "set(" << this->TmpVarPrefix

     << "_file \"${CMAKE_MATCH_3}\")\n"

     << indent.Next() << "set(" << this->TmpVarPrefix << "_path \"${"

     << this->TmpVarPrefix << "_dir}${" << this->TmpVarPrefix << "_name}\")\n";

  auto depName = cmStrCat(this->TmpVarPrefix, "_path");

  this->AddInstallRule(

    os, this->GetDestination(config), cmInstallType_DIRECTORY, {}, false,

    this->Permissions.c_str(), nullptr, nullptr, " USE_SOURCE_PERMISSIONS",

    indent.Next(), depName.c_str());

  auto depNameVar = cmStrCat("${", this->TmpVarPrefix, "_name}/${",

                             this->TmpVarPrefix, "_file}");

  this->GenerateInstallNameFixup(os, config, evaluatedRPaths,

                                 cmStrCat("${", this->TmpVarPrefix, "_dep}"),

                                 depNameVar, indent.Next());

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

}

void cmInstallRuntimeDependencySetGenerator::GenerateInstallNameFixup(

  std::ostream& os, std::string const& config,

  std::vector<std::string> const& evaluatedRPaths, std::string const& filename,

  std::string const& depName, Indent indent)

{

  if (!(this->NoInstallRPath && this->NoInstallName)) {

    auto indent2 = indent;

    if (evaluatedRPaths.empty() && this->NoInstallName) {

      indent2 = indent2.Next();

      os << indent << "if(" << this->RPathPrefix << "_" << filename << ")\n";

    }

    os << indent2 << "set(" << this->TmpVarPrefix << "_rpath_args)\n";

    if (!this->NoInstallRPath) {

      os << indent2 << "foreach(" << this->TmpVarPrefix << "_rpath IN LISTS "

         << this->RPathPrefix << '_' << filename << ")\n"

         << indent2.Next() << "list(APPEND " << this->TmpVarPrefix

         << "_rpath_args -delete_rpath \"${" << this->TmpVarPrefix

         << "_rpath}\")\n"

         << indent2 << "endforeach()\n";

    }

    os << indent2 << "execute_process(COMMAND \""

       << this->LocalGenerator->GetMakefile()->GetSafeDefinition(

            "CMAKE_INSTALL_NAME_TOOL")

       << "\" ${" << this->TmpVarPrefix << "_rpath_args}\n";

    if (!this->NoInstallRPath) {

      for (auto const& rpath : evaluatedRPaths) {

        os << indent2 << "  -add_rpath " << cmScriptGenerator::Quote(rpath)

           << '\n';

      }

    }

    if (!this->NoInstallName) {

      os << indent2 << "  -id \"${" << this->TmpVarPrefix

         << "_install_name_dir}" << depName << "\"\n";

    }

    os << indent2 << "  \""

       << GetDestDirPath(

            ConvertToAbsoluteDestination(this->GetDestination(config)))

       << "/" << depName << "\")\n";

    if (evaluatedRPaths.empty() && this->NoInstallName) {

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

    }

  }

}

void cmInstallRuntimeDependencySetGenerator::GenerateStripFixup(

  std::ostream& os, std::string const& config, std::string const& depName,

  Indent indent)

{

  std::string strip =

    this->LocalGenerator->GetMakefile()->GetSafeDefinition("CMAKE_STRIP");

  if (!strip.empty()) {

    os << indent << "if(CMAKE_INSTALL_DO_STRIP)\n"

       << indent.Next() << "execute_process(COMMAND \"" << strip << "\" ";

    if (this->LocalGenerator->GetMakefile()->IsOn("APPLE")) {

      os << "-x ";

    }

    os << "\""

       << GetDestDirPath(

            ConvertToAbsoluteDestination(this->GetDestination(config)))

       << "/" << depName << "\")\n"

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

  }

}

std::string cmInstallRuntimeDependencySetGenerator::GetDestination(

  std::string const& config) const

{

  return cmGeneratorExpression::Evaluate(this->Destination,

                                         this->LocalGenerator, config);

}