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//===-- OptionValueArray.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 liblldb_OptionValueArray_h_
#define liblldb_OptionValueArray_h_

#include <vector>

#include "lldb/Interpreter/OptionValue.h"

namespace lldb_private {

class OptionValueArray : public OptionValue {
public:
  OptionValueArray(uint32_t type_mask = UINT32_MAX, bool raw_value_dump = false)
      : m_type_mask(type_mask), m_values(), m_raw_value_dump(raw_value_dump) {}

  ~OptionValueArray() override {}

  // Virtual subclass pure virtual overrides

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

  void DumpValue(const ExecutionContext *exe_ctx, Stream &strm,
                 uint32_t dump_mask) override;

  Status
  SetValueFromString(llvm::StringRef value,
                     VarSetOperationType op = eVarSetOperationAssign) override;
  Status
  SetValueFromString(const char *,
                     VarSetOperationType = eVarSetOperationAssign) = delete;

  bool Clear() override {
    m_values.clear();
    m_value_was_set = false;
    return true;
  }

  lldb::OptionValueSP DeepCopy() const override;

  bool IsAggregateValue() const override { return true; }

  lldb::OptionValueSP GetSubValue(const ExecutionContext *exe_ctx,
                                  llvm::StringRef name, bool will_modify,
                                  Status &error) const override;

  // Subclass specific functions

  size_t GetSize() const { return m_values.size(); }

  lldb::OptionValueSP operator[](size_t idx) const {
    lldb::OptionValueSP value_sp;
    if (idx < m_values.size())
      value_sp = m_values[idx];
    return value_sp;
  }

  lldb::OptionValueSP GetValueAtIndex(size_t idx) const {
    lldb::OptionValueSP value_sp;
    if (idx < m_values.size())
      value_sp = m_values[idx];
    return value_sp;
  }

  bool AppendValue(const lldb::OptionValueSP &value_sp) {
    // Make sure the value_sp object is allowed to contain values of the type
    // passed in...
    if (value_sp && (m_type_mask & value_sp->GetTypeAsMask())) {
      m_values.push_back(value_sp);
      return true;
    }
    return false;
  }

  bool InsertValue(size_t idx, const lldb::OptionValueSP &value_sp) {
    // Make sure the value_sp object is allowed to contain values of the type
    // passed in...
    if (value_sp && (m_type_mask & value_sp->GetTypeAsMask())) {
      if (idx < m_values.size())
        m_values.insert(m_values.begin() + idx, value_sp);
      else
        m_values.push_back(value_sp);
      return true;
    }
    return false;
  }

  bool ReplaceValue(size_t idx, const lldb::OptionValueSP &value_sp) {
    // Make sure the value_sp object is allowed to contain values of the type
    // passed in...
    if (value_sp && (m_type_mask & value_sp->GetTypeAsMask())) {
      if (idx < m_values.size()) {
        m_values[idx] = value_sp;
        return true;
      }
    }
    return false;
  }

  bool DeleteValue(size_t idx) {
    if (idx < m_values.size()) {
      m_values.erase(m_values.begin() + idx);
      return true;
    }
    return false;
  }

  size_t GetArgs(Args &args) const;

  Status SetArgs(const Args &args, VarSetOperationType op);

protected:
  typedef std::vector<lldb::OptionValueSP> collection;

  uint32_t m_type_mask;
  collection m_values;
  bool m_raw_value_dump;
};

} // namespace lldb_private

#endif // liblldb_OptionValueArray_h_