Aegisub/aegisub/src/text_file_reader.h

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// 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
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:zeratul@cellosoft.com
//
#pragma once
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#include <wx/wxprec.h>
#include <wx/dynarray.h>
#include <wx/string.h>
#include <fstream>
#include <iconv.h>
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class TextFileReader {
private:
wxString encoding;
std::ifstream file;
iconv_t conv;
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bool trim;
bool readComplete;
wchar_t outbuf[256];
wchar_t *currout;
wchar_t *outptr;
size_t outbytesleft;
unsigned int currentLine;
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wchar_t GetWChar();
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TextFileReader(const TextFileReader&);
TextFileReader& operator=(const TextFileReader&);
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public:
TextFileReader(wxString filename,wxString encoding=_T(""), bool trim=true);
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~TextFileReader();
wxString ReadLineFromFile();
bool HasMoreLines();
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static void EnsureValid(const wxString encoding);
wxString GetCurrentEncoding();
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static wxString GetEncoding(const wxString filename);
};