Aegisub/aegisub/src/charset_detect.cpp

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// Copyright (c) 2010, Amar Takhar
// 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 charset_detect.cpp
/// @brief Wrapper around text encoding detection library
/// @ingroup utility
///
///////////
// Headers
#include "config.h"
#ifndef AGI_PRE
#include <fstream>
#include <list>
#include <wx/arrstr.h>
#include <wx/choicdlg.h>
#include <wx/intl.h>
#endif
#include <libaegisub/charset.h>
#include "charset_detect.h"
#include "text_file_reader.h"
#include "compat.h"
/// @brief Get encoding
/// @param filename
/// @return
///
wxString CharSetDetect::GetEncoding(wxString filename) {
wxLogDebug("Filename: %s", filename);
bool unknown = 0;
agi::charset::CharsetListDetected list;
agi::charset::CharsetListDetected::const_iterator i_lst;
try {
agi::charset::DetectAll(STD_STR(filename), list);
} catch (const agi::charset::UnknownCharset&) {
unknown = 1;
}
/// @todo If the charset is unknown we need to display a complete list of character sets.
if (list.size() > 1) {
// Get choice from user
wxArrayString choices;
for (i_lst = list.begin(); i_lst != list.end(); ++i_lst) {
choices.Add(lagi_wxString(i_lst->second));
}
int choice = wxGetSingleChoiceIndex(_("Aegisub could not narrow down the character set to a single one.\nPlease pick one below:"),_("Choose character set"),choices);
if (choice == -1) throw _T("Canceled");
return choices.Item(choice);
}
i_lst = list.begin();
return i_lst->second;
}