/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   file Copyright.txt or https://cmake.org/licensing for details.  */
#ifndef cmGeneratorExpressionEvaluationFile_h
#define cmGeneratorExpressionEvaluationFile_h

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

#include <map>
#include <memory>  // IWYU pragma: keep
#include <string>
#include <vector>

#include "cmGeneratorExpression.h"
#include "cmPolicies.h"
#include "cm_sys_stat.h"

class cmLocalGenerator;

class cmGeneratorExpressionEvaluationFile
{
public:
    cmGeneratorExpressionEvaluationFile(
        const std::string&                             input,
        std::unique_ptr<cmCompiledGeneratorExpression> outputFileExpr,
        std::unique_ptr<cmCompiledGeneratorExpression> condition,
        bool inputIsContent, cmPolicies::PolicyStatus policyStatusCMP0070);

    void Generate(cmLocalGenerator* lg);

    std::vector<std::string> GetFiles() const { return this->Files; }

    void CreateOutputFile(cmLocalGenerator* lg, std::string const& config);

private:
    void Generate(cmLocalGenerator* lg, const std::string& config,
                  const std::string&                  lang,
                  cmCompiledGeneratorExpression*      inputExpression,
                  std::map<std::string, std::string>& outputFiles, mode_t perm);

    enum PathRole
    {
        PathForInput,
        PathForOutput
    };
    std::string FixRelativePath(std::string const& filePath, PathRole role,
                                cmLocalGenerator* lg);

private:
    const std::string                                    Input;
    const std::unique_ptr<cmCompiledGeneratorExpression> OutputFileExpr;
    const std::unique_ptr<cmCompiledGeneratorExpression> Condition;
    std::vector<std::string>                             Files;
    const bool                                           InputIsContent;
    cmPolicies::PolicyStatus                             PolicyStatusCMP0070;
};

#endif
