vChewing-macOS/Source/Engine/OpenVanilla/OVEncodingService.h

72 lines
2.8 KiB
C++

//
// OVEncodingService.h
//
// Copyright (c) 2007-2010 Lukhnos D. Liu
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
#ifndef OVEncodingService_h
#define OVEncodingService_h
#if defined(__APPLE__)
#include <OpenVanilla/OVUTF8Helper.h>
#else
#include "OVUTF8Helper.h"
#endif
namespace OpenVanilla {
using namespace std;
class OVEncodingService : public OVBase {
public:
virtual bool stringSupportedByEncoding(const string& text, const string& encoding)
{
vector<string> svec = OVUTF8Helper::SplitStringByCodePoint(text);
for (vector<string>::iterator iter = svec.begin() ; iter != svec.end() ; ++iter)
if (!codepointSupportedByEncoding(*iter, encoding))
return false;
return true;
}
virtual bool stringSupportedBySystem(const string& text)
{
vector<string> svec = OVUTF8Helper::SplitStringByCodePoint(text);
for (vector<string>::iterator iter = svec.begin() ; iter != svec.end() ; ++iter)
if (!codepointSupportedBySystem(*iter))
return false;
return true;
}
virtual bool codepointSupportedByEncoding(const string& codepoint, const string& encoding) = 0;
virtual bool codepointSupportedBySystem(const string& codepoint) = 0;
virtual const vector<string> supportedEncodings() = 0;
virtual bool isEncodingSupported(const string& encoding) = 0;
virtual bool isEncodingConversionSupported(const string& fromEncoding, const string& toEncoding) = 0;
virtual const pair<bool, string> convertEncoding(const string& fromEncoding, const string& toEncoding, const string& text) = 0;
};
};
#endif