#ifndef THIRD_PARTY_CEL_CPP_TESTUTIL_EXPR_PRINTER_H_

#define THIRD_PARTY_CEL_CPP_TESTUTIL_EXPR_PRINTER_H_

#include <string>

#include "google/api/expr/v1alpha1/syntax.pb.h"

namespace google {

namespace api {

namespace expr {

namespace testutil {

using ::google::api::expr::v1alpha1::Expr;

class ExpressionAdorner {

public:

virtual ~ExpressionAdorner() {}

virtual std::string adorn(const Expr& e) const = 0;

virtual std::string adorn(const Expr::CreateStruct::Entry& e) const = 0;

};

const ExpressionAdorner& empty_adorner();

class ExprPrinter {

public:

ExprPrinter() : adorner_(empty_adorner()) {}

ExprPrinter(const ExpressionAdorner& adorner) : adorner_(adorner) {}

std::string print(const Expr& expr) const;

private:

const ExpressionAdorner& adorner_;

};

} // namespace testutil

} // namespace expr

} // namespace api

} // namespace google

#endif // THIRD_PARTY_CEL_CPP_TESTUTIL_EXPR_PRINTER_H_