mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2025-01-19 03:57:14 +01:00
4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
162 lines
3.6 KiB
C++
162 lines
3.6 KiB
C++
//
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// UnicodeConverter.cpp
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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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// 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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#include "Poco/UnicodeConverter.h"
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#include "Poco/TextConverter.h"
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#include "Poco/TextIterator.h"
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#include "Poco/UTF8Encoding.h"
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#include "Poco/UTF16Encoding.h"
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#include "Poco/UTF32Encoding.h"
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#include <cstring>
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namespace Poco {
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void UnicodeConverter::convert(const std::string& utf8String, UTF32String& utf32String)
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{
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utf32String.clear();
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UTF8Encoding utf8Encoding;
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TextIterator it(utf8String, utf8Encoding);
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TextIterator end(utf8String);
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while (it != end)
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{
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int cc = *it++;
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utf32String += (UTF32Char) cc;
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}
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}
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void UnicodeConverter::convert(const char* utf8String, std::size_t length, UTF32String& utf32String)
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{
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if (!utf8String || !length)
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{
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utf32String.clear();
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return;
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}
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convert(std::string(utf8String, utf8String + length), utf32String);
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}
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void UnicodeConverter::convert(const char* utf8String, UTF32String& utf32String)
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{
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if (!utf8String || !std::strlen(utf8String))
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{
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utf32String.clear();
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return;
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}
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convert(utf8String, std::strlen(utf8String), utf32String);
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}
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void UnicodeConverter::convert(const std::string& utf8String, UTF16String& utf16String)
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{
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utf16String.clear();
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UTF8Encoding utf8Encoding;
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TextIterator it(utf8String, utf8Encoding);
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TextIterator end(utf8String);
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while (it != end)
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{
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int cc = *it++;
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if (cc <= 0xffff)
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{
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utf16String += (UTF16Char) cc;
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}
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else
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{
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cc -= 0x10000;
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utf16String += (UTF16Char) ((cc >> 10) & 0x3ff) | 0xd800;
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utf16String += (UTF16Char) (cc & 0x3ff) | 0xdc00;
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}
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}
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}
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void UnicodeConverter::convert(const char* utf8String, std::size_t length, UTF16String& utf16String)
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{
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if (!utf8String || !length)
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{
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utf16String.clear();
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return;
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}
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convert(std::string(utf8String, utf8String + length), utf16String);
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}
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void UnicodeConverter::convert(const char* utf8String, UTF16String& utf16String)
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{
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if (!utf8String || !std::strlen(utf8String))
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{
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utf16String.clear();
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return;
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}
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convert(std::string(utf8String), utf16String);
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}
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void UnicodeConverter::convert(const UTF16String& utf16String, std::string& utf8String)
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{
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utf8String.clear();
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UTF8Encoding utf8Encoding;
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UTF16Encoding utf16Encoding;
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TextConverter converter(utf16Encoding, utf8Encoding);
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converter.convert(utf16String.data(), (int) utf16String.length() * sizeof(UTF16Char), utf8String);
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}
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void UnicodeConverter::convert(const UTF32String& utf32String, std::string& utf8String)
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{
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utf8String.clear();
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UTF8Encoding utf8Encoding;
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UTF32Encoding utf32Encoding;
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TextConverter converter(utf32Encoding, utf8Encoding);
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converter.convert(utf32String.data(), (int) utf32String.length() * sizeof(UTF32Char), utf8String);
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}
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void UnicodeConverter::convert(const UTF16Char* utf16String, std::size_t length, std::string& utf8String)
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{
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utf8String.clear();
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UTF8Encoding utf8Encoding;
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UTF16Encoding utf16Encoding;
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TextConverter converter(utf16Encoding, utf8Encoding);
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converter.convert(utf16String, (int) length * sizeof(UTF16Char), utf8String);
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}
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void UnicodeConverter::convert(const UTF32Char* utf32String, std::size_t length, std::string& utf8String)
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{
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toUTF8(UTF32String(utf32String, length), utf8String);
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}
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void UnicodeConverter::convert(const UTF16Char* utf16String, std::string& utf8String)
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{
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toUTF8(utf16String, UTFStrlen(utf16String), utf8String);
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}
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void UnicodeConverter::convert(const UTF32Char* utf32String, std::string& utf8String)
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{
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toUTF8(utf32String, UTFStrlen(utf32String), utf8String);
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}
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} // namespace Poco
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