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142 lines
4.1 KiB
C++
142 lines
4.1 KiB
C++
//
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// UnicodeConverter.h
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//
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// Library: Foundation
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// Package: Text
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// Module: UnicodeConverter
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//
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// Definition of the UnicodeConverter class.
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//
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// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef Foundation_UnicodeConverter_INCLUDED
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#define Foundation_UnicodeConverter_INCLUDED
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#include "Poco/Foundation.h"
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#include "Poco/UTFString.h"
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namespace Poco {
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class Foundation_API UnicodeConverter
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/// A convenience class that converts strings from
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/// UTF-8 encoded std::strings to UTF-16 or UTF-32 encoded std::wstrings
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/// and vice-versa.
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///
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/// This class is mainly used for working with the Unicode Windows APIs
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/// and probably won't be of much use anywhere else ???
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{
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public:
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static void convert(const std::string& utf8String, UTF32String& utf32String);
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/// Converts the given UTF-8 encoded string into an UTF-32 encoded wide string.
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static void convert(const char* utf8String, std::size_t length, UTF32String& utf32String);
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/// Converts the given UTF-8 encoded character sequence into an UTF-32 encoded wide string.
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static void convert(const char* utf8String, UTF32String& utf32String);
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/// Converts the given zero-terminated UTF-8 encoded character sequence into an UTF-32 encoded wide string.
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static void convert(const std::string& utf8String, UTF16String& utf16String);
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/// Converts the given UTF-8 encoded string into an UTF-16 encoded wide string.
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static void convert(const char* utf8String, std::size_t length, UTF16String& utf16String);
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/// Converts the given UTF-8 encoded character sequence into an UTF-16 encoded wide string.
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static void convert(const char* utf8String, UTF16String& utf16String);
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/// Converts the given zero-terminated UTF-8 encoded character sequence into an UTF-16 encoded wide string.
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static void convert(const UTF16String& utf16String, std::string& utf8String);
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/// Converts the given UTF-16 encoded wide string into an UTF-8 encoded string.
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static void convert(const UTF32String& utf32String, std::string& utf8String);
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/// Converts the given UTF-32 encoded wide string into an UTF-8 encoded string.
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static void convert(const UTF16Char* utf16String, std::size_t length, std::string& utf8String);
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/// Converts the given zero-terminated UTF-16 encoded wide character sequence into an UTF-8 encoded string.
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static void convert(const UTF32Char* utf16String, std::size_t length, std::string& utf8String);
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/// Converts the given zero-terminated UTF-32 encoded wide character sequence into an UTF-8 encoded string.
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static void convert(const UTF16Char* utf16String, std::string& utf8String);
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/// Converts the given UTF-16 encoded zero terminated character sequence into an UTF-8 encoded string.
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static void convert(const UTF32Char* utf32String, std::string& utf8String);
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/// Converts the given UTF-32 encoded zero terminated character sequence into an UTF-8 encoded string.
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template <typename F, typename T>
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static void toUTF32(const F& f, T& t)
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{
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convert(f, t);
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}
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template <typename F, typename T>
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static void toUTF32(const F& f, std::size_t l, T& t)
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{
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convert(f, l, t);
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}
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template <typename F, typename T>
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static void toUTF16(const F& f, T& t)
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{
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convert(f, t);
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}
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template <typename F, typename T>
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static void toUTF16(const F& f, std::size_t l, T& t)
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{
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convert(f, l, t);
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}
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template <typename F, typename T>
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static void toUTF8(const F& f, T& t)
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{
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convert(f, t);
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}
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template <typename F, typename T>
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static void toUTF8(const F& f, std::size_t l, T& t)
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{
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convert(f, l, t);
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}
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template <typename T>
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static T to(const char* pChar)
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{
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T utfStr;
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Poco::UnicodeConverter::convert(pChar, utfStr);
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return utfStr;
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}
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template <typename T>
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static T to(const std::string& str)
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{
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T utfStr;
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Poco::UnicodeConverter::convert(str, utfStr);
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return utfStr;
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}
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template <typename T>
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static std::size_t UTFStrlen(const T* ptr)
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/// Returns the length (in characters) of a zero-terminated UTF string.
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{
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if (ptr == 0) return 0;
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const T* p;
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for (p = ptr; *p; ++p);
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return p - ptr;
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}
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};
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} // namespace Poco
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#endif // Foundation_UnicodeConverter_INCLUDED
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