Aegisub/aegisub/src/text_file_writer.cpp
2011-09-28 19:43:48 +00:00

104 lines
3.3 KiB
C++

// Copyright (c) 2005, Rodrigo Braz Monteiro
// 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 the Aegisub Group 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.
//
// Aegisub Project http://www.aegisub.org/
//
// $Id$
/// @file text_file_writer.cpp
/// @brief Write plain text files line by line
/// @ingroup utility
///
#include "config.h"
#ifndef AGI_PRE
#include <fstream>
#endif
#include <libaegisub/io.h>
#include "charset_conv.h"
#include "compat.h"
#include "main.h"
#include "text_file_writer.h"
/// @brief DOCME
/// @param filename
/// @param encoding
///
TextFileWriter::TextFileWriter(wxString const& filename, wxString encoding)
: file(new agi::io::Save(STD_STR(filename), true))
, conv() {
if (encoding.empty()) encoding = lagi_wxString(OPT_GET("App/Save Charset")->GetString());
if (encoding.Lower() != wxSTRING_ENCODING)
conv.reset(new agi::charset::IconvWrapper(wxSTRING_ENCODING, encoding.utf8_str(), true));
// Write the BOM
try {
WriteLineToFile(L"\uFEFF", false);
}
catch (agi::charset::ConversionFailure&) {
// If the BOM could not be converted to the target encoding it isn't needed
}
}
/// @brief DOCME
///
TextFileWriter::~TextFileWriter() {
// Explicit empty destructor required with an auto_ptr to an incomplete class
}
/// @brief DOCME
/// @param line
/// @param addLineBreak
void TextFileWriter::WriteLineToFile(wxString line, bool addLineBreak) {
#ifdef _WIN32
if (addLineBreak) line += "\r\n";
#else
if (addLineBreak) line += "\n";
#endif
// On non-windows this cast does nothing
const char *data = reinterpret_cast<const char *>(line.wx_str());
#if wxUSE_UNICODE_UTF8
size_t len = line.utf8_length();
#else
size_t len = line.length() * sizeof(wxStringCharType);
#endif
if (conv.get()) {
std::string buf = conv->Convert(std::string(data, len));
file->Get().write(buf.data(), buf.size());
}
else {
file->Get().write(data, len);
}
}