135 lines
3.1 KiB
C++
135 lines
3.1 KiB
C++
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
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#pragma once
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#include "Engine/Platform/StringUtils.h"
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#include "Engine/Core/Memory/Memory.h"
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template<typename CharType, int InlinedSize = 128>
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class StringAsBase
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{
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protected:
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const CharType* _static = nullptr;
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CharType* _dynamic = nullptr;
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CharType _inlined[InlinedSize];
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public:
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~StringAsBase()
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{
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Allocator::Free(_dynamic);
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}
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public:
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const CharType* Get() const
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{
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return _static ? _static : (_dynamic ? _dynamic : _inlined);
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}
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int32 Length() const
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{
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return StringUtils::Length(Get());
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}
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};
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template<int InlinedSize = 128>
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class StringAsANSI : public StringAsBase<char, InlinedSize>
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{
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public:
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typedef char CharType;
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typedef StringAsBase<CharType, InlinedSize> Base;
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public:
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StringAsANSI(const char* text)
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{
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this->_static = text;
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}
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StringAsANSI(const Char* text)
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: StringAsANSI(text, StringUtils::Length(text))
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{
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}
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StringAsANSI(const Char* text, int32 length)
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{
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if (length + 1 < InlinedSize)
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{
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StringUtils::ConvertUTF162ANSI(text, this->_inlined, length);
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this->_inlined[length] = 0;
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}
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else
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{
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this->_dynamic = (CharType*)Allocator::Allocate((length + 1) * sizeof(CharType));
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StringUtils::ConvertUTF162ANSI(text, this->_dynamic, length);
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this->_dynamic[length] = 0;
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}
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}
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};
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template<int InlinedSize = 128>
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class StringAsUTF8 : public StringAsBase<char, InlinedSize>
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{
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public:
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typedef char CharType;
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typedef StringAsBase<CharType, InlinedSize> Base;
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public:
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StringAsUTF8(const char* text)
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{
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this->_static = text;
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}
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StringAsUTF8(const Char* text)
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: StringAsUTF8(text, StringUtils::Length(text))
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{
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}
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StringAsUTF8(const Char* text, int32 length)
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{
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int32 lengthUtf8;
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if (length + 1 < InlinedSize)
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{
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StringUtils::ConvertUTF162UTF8(text, this->_inlined, length, lengthUtf8);
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this->_inlined[lengthUtf8] = 0;
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}
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else
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{
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this->_dynamic = StringUtils::ConvertUTF162UTF8(text, length, lengthUtf8);
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this->_dynamic[lengthUtf8] = 0;
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}
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}
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};
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template<int InlinedSize = 128>
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class StringAsUTF16 : public StringAsBase<Char, InlinedSize>
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{
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public:
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typedef Char CharType;
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typedef StringAsBase<CharType, InlinedSize> Base;
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public:
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StringAsUTF16(const char* text)
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: StringAsUTF16(text, StringUtils::Length(text))
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{
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}
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StringAsUTF16(const char* text, int32 length)
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{
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if (length + 1 < InlinedSize)
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{
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StringUtils::ConvertANSI2UTF16(text, this->_inlined, length, length);
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this->_inlined[length] = 0;
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}
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else
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{
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this->_dynamic = (CharType*)Allocator::Allocate((length + 1) * sizeof(CharType));
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StringUtils::ConvertANSI2UTF16(text, this->_dynamic, length, length);
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this->_dynamic[length] = 0;
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}
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}
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StringAsUTF16(const Char* text)
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{
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this->_static = text;
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}
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};
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