//===-- OptionValueString.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 LLDB_INTERPRETER_OPTIONVALUESTRING_H

#define LLDB_INTERPRETER_OPTIONVALUESTRING_H

#include <string>

#include "lldb/Utility/Flags.h"

#include "lldb/Interpreter/OptionValue.h"

namespace lldb_private {

class OptionValueString : public Cloneable<OptionValueString, OptionValue> {

public:

  typedef Status (*ValidatorCallback)(const char *string, void *baton);

  enum Options { eOptionEncodeCharacterEscapeSequences = (1u << 0) };

  OptionValueString() = default;

  OptionValueString(ValidatorCallback validator, void *baton = nullptr)

      : m_validator(validator), m_validator_baton(baton) {}

  OptionValueString(const char *value) {

    if (value && value[0]) {

      m_current_value.assign(value);

      m_default_value.assign(value);

    }

  }

  OptionValueString(const char *current_value, const char *default_value) {

    if (current_value && 
current_value[0]30.8k
)

      m_current_value.assign(current_value);

    if (default_value && 
default_value[0]30.8k
)

      m_default_value.assign(default_value);

  }

  OptionValueString(const char *value, ValidatorCallback validator,

                    void *baton = nullptr)

      : m_validator(validator), m_validator_baton(baton) {

    if (value && value[0]) {

      m_current_value.assign(value);

      m_default_value.assign(value);

    }

  }

  OptionValueString(const char *current_value, const char *default_value,

                    ValidatorCallback validator, void *baton = nullptr)

      : m_validator(validator), m_validator_baton(baton) {

    if (current_value && current_value[0])

      m_current_value.assign(current_value);

    if (default_value && default_value[0])

      m_default_value.assign(default_value);

  }

  ~OptionValueString() override = default;

  // Virtual subclass pure virtual overrides

  OptionValue::Type GetType() const override { return eTypeString; }

  void DumpValue(const ExecutionContext *exe_ctx, Stream &strm,

                 uint32_t dump_mask) override;

  llvm::json::Value ToJSON(const ExecutionContext *exe_ctx) override {

    return m_current_value;

  }

  Status

  SetValueFromString(llvm::StringRef value,

                     VarSetOperationType op = eVarSetOperationAssign) override;

  void Clear() override {

    m_current_value = m_default_value;

    m_value_was_set = false;

  }

  // Subclass specific functions

  Flags &GetOptions() { return m_options; }

  const Flags &GetOptions() const { return m_options; }

  const char *operator=(const char *value) {

    SetCurrentValue(value);

    return m_current_value.c_str();

  }

  const char *GetCurrentValue() const { return m_current_value.c_str(); }

  llvm::StringRef GetCurrentValueAsRef() const { return m_current_value; }

  const char *GetDefaultValue() const { return m_default_value.c_str(); }

  llvm::StringRef GetDefaultValueAsRef() const { return m_default_value; }

  Status SetCurrentValue(llvm::StringRef value);

  Status AppendToCurrentValue(const char *value);

  void SetDefaultValue(const char *value) {

    if (value && value[0])

      m_default_value.assign(value);

    else

      m_default_value.clear();

  }

  bool IsCurrentValueEmpty() const { return m_current_value.empty(); }

  bool IsDefaultValueEmpty() const { return m_default_value.empty(); }

  void SetValidator(ValidatorCallback validator, void *baton = nullptr) {

    m_validator = validator;

    m_validator_baton = baton;

  }

protected:

  std::string m_current_value;

  std::string m_default_value;

  Flags m_options;

  ValidatorCallback m_validator = nullptr;

  void *m_validator_baton = nullptr;

};

} // namespace lldb_private

#endif // LLDB_INTERPRETER_OPTIONVALUESTRING_H