| // Copyright 2010-2015, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "base/file_stream.h" |
| |
| #ifdef MOZC_USE_PEPPER_FILE_IO |
| #include "base/pepper_file_util.h" |
| #endif // MOZC_USE_PEPPER_FILE_IO |
| #include "base/util.h" |
| |
| namespace mozc { |
| |
| #ifdef MOZC_USE_PEPPER_FILE_IO |
| |
| InputFileStream::InputFileStream() |
| : istream(nullptr) { |
| init(&string_buffer_); |
| } |
| |
| InputFileStream::InputFileStream(const char* filename, |
| ios_base::openmode mode) |
| : istream(nullptr) { |
| init(&string_buffer_); |
| InputFileStream::open(filename, mode); |
| } |
| |
| void InputFileStream::open(const char* filename, ios_base::openmode mode) { |
| string buffer; |
| const bool ret = PepperFileUtil::ReadBinaryFile(filename, &buffer); |
| if (ret) { |
| string_buffer_.sputn(buffer.c_str(), buffer.length()); |
| } else { |
| setstate(ios_base::failbit); |
| } |
| } |
| |
| void InputFileStream::close() {} |
| |
| OutputFileStream::OutputFileStream() |
| : ostream(), |
| write_done_(false) { |
| init(&string_buffer_); |
| } |
| |
| OutputFileStream::OutputFileStream(const char* filename, |
| ios_base::openmode mode) |
| : ostream(), |
| write_done_(false) { |
| init(&string_buffer_); |
| OutputFileStream::open(filename, mode); |
| } |
| |
| OutputFileStream::~OutputFileStream() { |
| close(); |
| } |
| |
| void OutputFileStream::open(const char* filename, ios_base::openmode mode) { |
| filename_ = filename; |
| } |
| |
| void OutputFileStream::close() { |
| if (write_done_) { |
| return; |
| } |
| if (!PepperFileUtil::WriteBinaryFile(filename_, string_buffer_.str())) { |
| LOG(ERROR) << "write error filename: \"" << filename_ << "\"" |
| << "size:" << string_buffer_.str().length(); |
| } else { |
| write_done_ = true; |
| } |
| } |
| |
| # else // MOZC_USE_PEPPER_FILE_IO |
| |
| InputFileStream::InputFileStream() {} |
| |
| InputFileStream::InputFileStream(const char* filename, |
| ios_base::openmode mode) { |
| InputFileStream::open(filename, mode); |
| } |
| |
| void InputFileStream::open(const char* filename, ios_base::openmode mode) { |
| #if defined(OS_WIN) |
| // Since Windows uses UTF-16 for internationalized file names, we should |
| // convert the encoding of the given |filename| from UTF-8 to UTF-16. |
| wstring filename_wide; |
| if (Util::UTF8ToWide(filename, &filename_wide) > 0) { |
| ifstream::open(filename_wide.c_str(), mode); |
| } |
| #else |
| ifstream::open(filename, mode); |
| #endif |
| } |
| |
| OutputFileStream::OutputFileStream() {} |
| |
| OutputFileStream::OutputFileStream(const char* filename, |
| ios_base::openmode mode) { |
| OutputFileStream::open(filename, mode); |
| } |
| |
| void OutputFileStream::open(const char* filename, ios_base::openmode mode) { |
| #if defined(OS_WIN) |
| // Since Windows uses UTF-16 for internationalized file names, we should |
| // convert the encoding of the given |filename| from UTF-8 to UTF-16. |
| wstring filename_wide; |
| if (Util::UTF8ToWide(filename, &filename_wide) > 0) { |
| ofstream::open(filename_wide.c_str(), mode); |
| } |
| #else |
| ofstream::open(filename, mode); |
| #endif |
| } |
| #endif // MOZC_USE_PEPPER_FILE_IO |
| |
| } // namespace mozc |