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

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

#pragma once

#include "cmConfigure.h" // IWYU pragma: keep

#include <functional>

#include <map>

#include <set>

#include <string>

#include <vector>

#include <cm/string_view>

#include "cmExportFileGenerator.h"

#include "cmGeneratorExpression.h"

#include "cmInstallExportGenerator.h"

#include "cmStateTypes.h"

class cmGeneratorTarget;

class cmInstallTargetGenerator;

class cmTargetExport;

/** \class cmExportInstallFileGenerator

 * \brief Generate a file exporting targets from an install tree.

 *

 * cmExportInstallFileGenerator is the generic interface class for generating

 * export files for an install tree.

 */

class cmExportInstallFileGenerator : virtual public cmExportFileGenerator

{

public:

  /** Construct with the export installer that will install the

      files.  */

  cmExportInstallFileGenerator(cmInstallExportGenerator* iegen);

  /** Get the per-config file generated for each configuration.  This

      maps from the configuration name to the file temporary location

      for installation.  */

  std::map<std::string, std::string> const& GetConfigImportFiles()

  {

    return this->ConfigImportFiles;

  }

  /** Get the temporary location of the config-agnostic C++ module file.  */

  std::string GetCxxModuleFile() const;

  /** Get the per-config C++ module file generated for each configuration.

      This maps from the configuration name to the file temporary location

      for installation.  */

  std::map<std::string, std::string> const& GetConfigCxxModuleFiles()

  {

    return this->ConfigCxxModuleFiles;

  }

  /** Get the per-config C++ module file generated for each configuration.

      This maps from the configuration name to the file temporary location

      for installation for each target in the export set.  */

  std::map<std::string, std::vector<std::string>> const&

  GetConfigCxxModuleTargetFiles()

  {

    return this->ConfigCxxModuleTargetFiles;

  }

  /** Compute the globbing expression used to load per-config import

      files from the main file.  */

  virtual std::string GetConfigImportFileGlob() const = 0;

protected:

  cmStateEnums::TargetType GetExportTargetType(

    cmTargetExport const* targetExport) const;

  virtual std::string const& GetExportName() const;

  std::string GetInstallPrefix() const

  {

    cm::string_view const prefixWithSlash = this->GetImportPrefixWithSlash();

    return std::string(prefixWithSlash.data(), prefixWithSlash.length() - 1);

  }

  virtual char GetConfigFileNameSeparator() const = 0;

  void HandleMissingTarget(std::string& link_libs,

                           cmGeneratorTarget const* depender,

                           cmGeneratorTarget* dependee) override;

  void ReplaceInstallPrefix(std::string& input) const override;

  void ComplainAboutMissingTarget(cmGeneratorTarget const* depender,

                                  cmGeneratorTarget const* dependee,

                                  ExportInfo const& exportInfo) const;

  void ComplainAboutDuplicateTarget(

    std::string const& targetName) const override;

  ExportInfo FindExportInfo(cmGeneratorTarget const* target) const override;

  void IssueMessage(MessageType type,

                    std::string const& message) const override;

  /** Generate a per-configuration file for the targets.  */

  virtual bool GenerateImportFileConfig(std::string const& config);

  /** Fill in properties indicating installed file locations.  */

  void SetImportLocationProperty(std::string const& config,

                                 std::string const& suffix,

                                 cmInstallTargetGenerator* itgen,

                                 ImportPropertyMap& properties,

                                 std::set<std::string>& importedLocations);

  std::string InstallNameDir(cmGeneratorTarget const* target,

                             std::string const& config) override;

  using cmExportFileGenerator::GetCxxModuleFile;

  /** Walk the list of targets to be exported.  Returns true iff no duplicates

      are found.  */

  bool CollectExports(

    std::function<void(cmTargetExport const*)> const& visitor);

  cmExportSet* GetExportSet() const override

  {

    return this->IEGen->GetExportSet();

  }

  std::string GetImportXcFrameworkLocation(

    std::string const& config, cmTargetExport const* targetExport) const;

  using cmExportFileGenerator::PopulateInterfaceProperties;

  bool PopulateInterfaceProperties(cmTargetExport const* targetExport,

                                   ImportPropertyMap& properties);

  void PopulateImportProperties(std::string const& config,

                                std::string const& suffix,

                                cmTargetExport const* targetExport,

                                ImportPropertyMap& properties,

                                std::set<std::string>& importedLocations);

  virtual bool CheckInterfaceDirs(std::string const& prepro,

                                  cmGeneratorTarget const* target,

                                  std::string const& prop) const;

  cmInstallExportGenerator* IEGen;

  // The import file generated for each configuration.

  std::map<std::string, std::string> ConfigImportFiles;

  // The C++ module property file generated for each configuration.

  std::map<std::string, std::string> ConfigCxxModuleFiles;

  // The C++ module property target files generated for each configuration.

  std::map<std::string, std::vector<std::string>> ConfigCxxModuleTargetFiles;

private:

  void PopulateCompatibleInterfaceProperties(cmGeneratorTarget const* target,

                                             ImportPropertyMap& properties);

  void PopulateCustomTransitiveInterfaceProperties(

    cmGeneratorTarget const* target,

    cmGeneratorExpression::PreprocessContext preprocessRule,

    ImportPropertyMap& properties);

  void PopulateIncludeDirectoriesInterface(

    cmGeneratorTarget const* target,

    cmGeneratorExpression::PreprocessContext preprocessRule,

    ImportPropertyMap& properties, cmTargetExport const& te,

    std::string& includesDestinationDirs);

  void PopulateSystemIncludeDirectoriesInterface(

    cmGeneratorTarget const* target,

    cmGeneratorExpression::PreprocessContext preprocessRule,

    ImportPropertyMap& properties);

  void PopulateSourcesInterface(

    cmGeneratorTarget const* target,

    cmGeneratorExpression::PreprocessContext preprocessRule,

    ImportPropertyMap& properties);

  void PopulateLinkDirectoriesInterface(

    cmGeneratorTarget const* target,

    cmGeneratorExpression::PreprocessContext preprocessRule,

    ImportPropertyMap& properties);

  void PopulateLinkDependsInterface(

    cmGeneratorTarget const* target,

    cmGeneratorExpression::PreprocessContext preprocessRule,

    ImportPropertyMap& properties);

};