//===-- StreamFile.cpp ----------------------------------------------------===//

//

// 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

//

//===----------------------------------------------------------------------===//

#include "lldb/Core/StreamFile.h"

#include "lldb/Host/FileSystem.h"

#include "lldb/Utility/LLDBLog.h"

#include "lldb/Utility/Log.h"

#include <cstdio>

using namespace lldb;

using namespace lldb_private;

StreamFile::StreamFile(uint32_t flags, uint32_t addr_size, ByteOrder byte_order)

    : Stream(flags, addr_size, byte_order) {

  m_file_sp = std::make_shared<File>();

}

StreamFile::StreamFile(int fd, bool transfer_ownership) : Stream() {

  m_file_sp = std::make_shared<NativeFile>(fd, File::eOpenOptionWriteOnly,

                                           transfer_ownership);

}

StreamFile::StreamFile(FILE *fh, bool transfer_ownership) : Stream() {

  m_file_sp = std::make_shared<NativeFile>(fh, transfer_ownership);

}

StreamFile::StreamFile(const char *path, File::OpenOptions options,

                       uint32_t permissions)

    : Stream() {

  auto file = FileSystem::Instance().Open(FileSpec(path), options, permissions);

  if (file)

    m_file_sp = std::move(file.get());

  else {

    // TODO refactor this so the error gets popagated up instead of logged here.

    LLDB_LOG_ERROR(GetLog(LLDBLog::Host), file.takeError(),

                   "Cannot open {1}: {0}", path);

    m_file_sp = std::make_shared<File>();

  }

}

StreamFile::~StreamFile() = default;

void StreamFile::Flush() { m_file_sp->Flush(); }

size_t StreamFile::WriteImpl(const void *s, size_t length) {

  m_file_sp->Write(s, length);

  return length;

}