Aegisub/aegisub/src/charset_detect.cpp

// Copyright (c) 2010, Amar Takhar
// All rights reserved.
//
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// Aegisub Project http://www.aegisub.org/

/// @file charset_detect.cpp
/// @brief Wrapper around text encoding detection library
/// @ingroup utility
///

#include "config.h"

#include <fstream>
#include <list>

#include <wx/arrstr.h>
#include <wx/choicdlg.h>
#include <wx/intl.h>

#include <libaegisub/charset.h>
#include <libaegisub/log.h>

#include "charset_detect.h"
#include "compat.h"

namespace CharSetDetect {

wxString GetEncoding(wxString const& filename) {
	agi::charset::CharsetListDetected list;

	try {
		list = agi::charset::DetectAll(from_wx(filename));
	} catch (const agi::charset::UnknownCharset&) {
		/// @todo If the charset is unknown we need to display a complete list of character sets.
	}

	if (list.size() == 1) {
		auto charset = list.begin();
		LOG_I("charset/file") << filename << " (" << charset->second << ")";
		return to_wx(charset->second);
	}

	wxArrayString choices;
	std::string log_choice;

	for (auto const& charset : list) {
		choices.push_back(to_wx(charset.second));
		log_choice.append(" " + charset.second);
	}

	LOG_I("charset/file") << filename << " (" << log_choice << ")";

	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 "Canceled";
	return choices[choice];
}

}