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// Copyright (c) 2005, Rodrigo Braz Monteiro
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// All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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// -----------------------------------------------------------------------------
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// Website: http://aegisub.cellosoft.com
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// Contact: mailto:zeratul@cellosoft.com
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#include "text_file_writer.h"
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TextFileWriter::TextFileWriter(wxString _filename,wxString enc) {
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if (encoding == _T("Local") || (encoding.IsEmpty() && Options.AsText(_T("Save Charset")).Lower() == _T("local"))) {
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wxFontEncoding sysenc = wxLocale::GetSystemEncoding();
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if (sysenc == wxFONTENCODING_UTF8 || sysenc == wxFONTENCODING_UTF7 ||
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sysenc == wxFONTENCODING_UNICODE) // that last one may be a bit questionable
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if (encoding.IsEmpty()) encoding = Options.AsText(_T("Save Charset"));
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if (encoding == _T("US-ASCII")) encoding = _T("ISO-8859-1");
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conv = new wxCSConv(encoding);
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IsUnicode = encoding.Left(3) == _T("UTF");
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TextFileWriter::~TextFileWriter() {
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void TextFileWriter::Open() {
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file.open(filename.wc_str(),std::ios::out | std::ios::binary | std::ios::trunc);
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file.open(wxFNCONV(filename),std::ios::out | std::ios::binary | std::ios::trunc);
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if (!file.is_open()) {
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throw _T("Failed opening file for writing.");
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void TextFileWriter::Close() {
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if (customConv) delete conv;
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void TextFileWriter::WriteLineToFile(wxString line,bool addLineBreak) {
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// Make sure it's loaded
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wxString temp = line;
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if (addLineBreak) temp += _T("\r\n");
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// Add BOM if it's the first line and the target format is Unicode
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if (IsFirst && IsUnicode) {
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wchar_t bom = 0xFEFF;
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temp = wxString(bom) + temp;
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wxWCharBuffer buf = temp.wc_str(*conv);
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size_t len = wcslen(buf.data());
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file.write((const char*)buf.data(),len*sizeof(wchar_t));
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wxCharBuffer buf = temp.mb_str(*conv);
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size_t len = strlen(buf.data());
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file.write(buf.data(),len);
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void TextFileWriter::SetEncoding() {
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if (encoding.Left(6) == _T("UTF-16")) {