/* 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 <set>

#include <string>

#include <utility>

#include <vector>

#include <cm/optional>

#include "cmCustomCommandLines.h"

#include "cmListFileCache.h"

class cmCustomCommand;

class cmLocalGenerator;

class cmCustomCommandGenerator

{

  std::string GetInternalDepfileName(std::string const&,

                                     std::string const&) const;

  cmCustomCommand const* CC;

  std::string OutputConfig;

  std::string CommandConfig;

  std::string Target;

  cmLocalGenerator* LG;

  bool OldStyle;

  bool MakeVars;

  cmCustomCommandLines CommandLines;

  std::vector<std::vector<std::string>> EmulatorsWithArguments;

  std::vector<std::string> Outputs;

  std::vector<std::string> Byproducts;

  std::vector<std::string> Depends;

  std::string WorkingDirectory;

  std::set<BT<std::pair<std::string, bool>>> Utilities;

  std::function<std::string(std::string const&, std::string const&)>

    ComputeInternalDepfile;

  void FillEmulatorsWithArguments();

  std::vector<std::string> GetCrossCompilingEmulator(unsigned int c) const;

  char const* GetArgv0Location(unsigned int c) const;

public:

  cmCustomCommandGenerator(

    cmCustomCommand const& cc, std::string config, cmLocalGenerator* lg,

    bool transformDepfile = true, cm::optional<std::string> crossConfig = {},

    std::function<std::string(std::string const&, std::string const&)>

      computeInternalDepfile = {});

  cmCustomCommandGenerator(cmCustomCommandGenerator const&) = delete;

  cmCustomCommandGenerator(cmCustomCommandGenerator&&) = default;

  cmCustomCommandGenerator& operator=(cmCustomCommandGenerator const&) =

    delete;

  cmCustomCommandGenerator& operator=(cmCustomCommandGenerator&&) = default;

  cmCustomCommand const& GetCC() const { return *(this->CC); }

  unsigned int GetNumberOfCommands() const;

  std::string GetCommand(unsigned int c) const;

  void AppendArguments(unsigned int c, std::string& cmd) const;

  cm::optional<std::string> GetComment() const;

  std::string GetWorkingDirectory() const;

  std::vector<std::string> const& GetOutputs() const;

  std::vector<std::string> const& GetByproducts() const;

  std::vector<std::string> const& GetDepends() const;

  std::set<BT<std::pair<std::string, bool>>> const& GetUtilities() const;

  bool HasOnlyEmptyCommandLines() const;

  std::string GetDepfile() const;

  std::string GetFullDepfile() const;

  std::string GetInternalDepfile() const;

  std::string const& GetOutputConfig() const { return this->OutputConfig; }

  std::string const& GetCommandConfig() const { return this->CommandConfig; }

};