168 lines
4.2 KiB
C++
168 lines
4.2 KiB
C++
// Copyright (c) 2005, Rodrigo Braz Monteiro
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// All rights reserved.
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//
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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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//
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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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//
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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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// -----------------------------------------------------------------------------
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//
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// AEGISUB
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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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//
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///////////
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// Headers
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#include <fstream>
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#include "text_file_writer.h"
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#include "options.h"
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///////////////
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// Constructor
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TextFileWriter::TextFileWriter(wxString _filename,wxString enc) {
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// Setup
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open = false;
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customConv = false;
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IsFirst = true;
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filename = _filename;
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// Set encoding
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encoding = enc;
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if (encoding == _T("Local") || (encoding.IsEmpty() && Options.AsText(_T("Save Charset")).Lower() == _T("local"))) conv = &wxConvLocal;
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else {
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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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customConv = true;
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IsUnicode = encoding.Left(3) == _T("UTF");
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}
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// Open file
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Open();
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}
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//////////////
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// Destructor
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TextFileWriter::~TextFileWriter() {
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Close();
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}
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/////////////
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// Open file
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void TextFileWriter::Open() {
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// Open file
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if (open) return;
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#ifdef WIN32
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file = _tfopen(filename.c_str(), _T("wb"));
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if (!file) {
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throw _T("Failed opening file for writing.");
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}
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#else
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file.open(filename.mb_str(wxConvLocal),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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}
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#endif
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open = true;
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// Set encoding
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SetEncoding();
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}
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//////////////
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// Close file
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void TextFileWriter::Close() {
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if (!open) return;
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#ifdef WIN32
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fclose(file);
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#else
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file.close();
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#endif
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open = false;
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if (customConv) delete conv;
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}
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/////////////////
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// Write to file
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void TextFileWriter::WriteLineToFile(wxString line,bool addLineBreak) {
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// Make sure it's loaded
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if (!open) Open();
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// Add line break
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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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}
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IsFirst = false;
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// 16-bit
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if (Is16) {
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wxWCharBuffer buf = temp.wc_str(*conv);
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if (!buf.data())
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return;
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size_t len = wcslen(buf.data());
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#ifdef WIN32
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fwrite(buf.data(), sizeof(wchar_t), len, file);
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#else
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file.write((const char*)buf.data(),len*sizeof(wchar_t));
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#endif
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}
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// 8-bit
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else {
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wxCharBuffer buf = temp.mb_str(*conv);
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if (!buf.data())
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return;
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size_t len = strlen(buf.data());
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#ifdef WIN32
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fwrite(buf.data(), 1, len, file);
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#else
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file.write(buf.data(),len);
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#endif
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}
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}
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////////////////
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// Set encoding
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void TextFileWriter::SetEncoding() {
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// Prepare
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Is16 = false;
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// UTF-16
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if (encoding.Left(6) == _T("UTF-16")) {
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Is16 = true;
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}
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}
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