//===-- runtime/tools.h -----------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef FORTRAN_RUNTIME_TOOLS_H_
#define FORTRAN_RUNTIME_TOOLS_H_

#include "memory.h"
#include <functional>
#include <map>
#include <type_traits>

namespace Fortran::runtime {

class Terminator;

std::size_t TrimTrailingSpaces(const char *, std::size_t);

OwningPtr<char> SaveDefaultCharacter(
    const char *, std::size_t, const Terminator &);

// For validating and recognizing default CHARACTER values in a
// case-insensitive manner.  Returns the zero-based index into the
// null-terminated array of upper-case possibilities when the value is valid,
// or -1 when it has no match.
int IdentifyValue(
    const char *value, std::size_t length, const char *possibilities[]);

// Truncates or pads as necessary
void ToFortranDefaultCharacter(
    char *to, std::size_t toLength, const char *from);
} // namespace Fortran::runtime
#endif // FORTRAN_RUNTIME_TOOLS_H_