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/*
* Copyright (C) 2001-2006 Jacek Sieka, arnetheduck on gmail point com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#if !defined(TEXT_H)
#define TEXT_H
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
/**
* Text handling routines for DC++. DC++ internally uses UTF-8 for
* (almost) all string:s, hence all foreign text must be converted
* appropriately...
* acp - ANSI code page used by the system
* wide - wide unicode string
* utf8 - UTF-8 representation of the string
* t - current text GUI text format
* string - UTF-8 string (most of the time)
* wstring - Wide string
* tstring - GUI type string (acp string or wide string depending on build type)
*/
class Text {
public:
static void initialize();
static string& acpToUtf8(const string& str, string& tmp) throw() {
tmp = acpToUtf8(str);
return tmp;
}
static string acpToUtf8(const string& str) throw();
static wstring& acpToWide(const string& str, wstring& tmp) throw();
static wstring acpToWide(const string& str) throw() {
wstring tmp;
return acpToWide(str, tmp);
}
static string& utf8ToAcp(const string& str, string& tmp) throw() {
tmp = utf8ToAcp(str);
return tmp;
}
static string utf8ToAcp(const string& str) throw();
static wstring& utf8ToWide(const string& str, wstring& tmp) throw();
static wstring utf8ToWide(const string& str) throw() {
wstring tmp;
return utf8ToWide(str, tmp);
}
static string& wideToAcp(const wstring& str, string& tmp) throw();
static string wideToAcp(const wstring& str) throw() {
string tmp;
return wideToAcp(str, tmp);
}
static string& wideToUtf8(const wstring& str, string& tmp) throw();
static string wideToUtf8(const wstring& str) throw() {
string tmp;
return wideToUtf8(str, tmp);
}
static int utf8ToWc(const char* str, wchar_t& c);
static void wcToUtf8(wchar_t c, string& str);
#ifdef UNICODE
static tstring toT(const string& str) throw() { return utf8ToWide(str); }
static tstring& toT(const string& str, tstring& tmp) throw() { return utf8ToWide(str, tmp); }
static string fromT(const tstring& str) throw() { return wideToUtf8(str); }
static string fromT(const tstring& str, string& tmp) throw() { return wideToUtf8(str, tmp); }
#else
static tstring toT(const string& str) throw() { return utf8ToAcp(str); }
static tstring& toT(const string& str, tstring& tmp) throw() { return utf8ToAcp(str, tmp); }
static string fromT(const tstring& str) throw() { return acpToUtf8(str); }
static string& fromT(const tstring& str, string& tmp) throw() { return acpToUtf8(str, tmp); }
#endif
static bool isAscii(const string& str) {
return isAscii(str.c_str());
}
static bool isAscii(const char* str) {
for(const u_int8_t* p = (const u_int8_t*)str; *p; ++p) {
if(*p & 0x80)
return false;
}
return true;
}
static bool validateUtf8(const string& str) throw();
static char asciiToLower(char c) { dcassert((((u_int8_t)c) & 0x80) == 0); return asciiLower[(u_int8_t)c]; }
static wchar_t toLower(wchar_t c) { return lower[(u_int16_t)c]; }
static wstring toLower(const wstring& str) throw() {
wstring tmp;
return toLower(str, tmp);
}
static wstring& toLower(const wstring& str, wstring& tmp) throw();
static string toLower(const string& str) throw();
static string& toLower(const string& str, string& tmp) throw() {
tmp = toLower(str);
return tmp;
}
private:
static char asciiLower[128];
static wchar_t lower[65536];
};
#endif // !defined(TEXT_H)
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