143 lines
5.1 KiB
C++
143 lines
5.1 KiB
C++
/**************************************************************************/
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/* char_string.hpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef GODOT_CHAR_STRING_HPP
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#define GODOT_CHAR_STRING_HPP
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#include <godot_cpp/templates/cowdata.hpp>
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#include <cstddef>
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#include <cstdint>
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namespace godot {
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template <typename T>
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class CharStringT;
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template <typename T>
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class CharProxy {
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template <typename TS>
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friend class CharStringT;
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const int64_t _index;
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CowData<T> &_cowdata;
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static inline const T _null = 0;
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_FORCE_INLINE_ CharProxy(const int64_t &p_index, CowData<T> &p_cowdata) :
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_index(p_index),
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_cowdata(p_cowdata) {}
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public:
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_FORCE_INLINE_ CharProxy(const CharProxy<T> &p_other) :
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_index(p_other._index),
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_cowdata(p_other._cowdata) {}
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_FORCE_INLINE_ operator T() const {
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if (unlikely(_index == _cowdata.size())) {
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return _null;
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}
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return _cowdata.get(_index);
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}
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_FORCE_INLINE_ const T *operator&() const {
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return _cowdata.ptr() + _index;
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}
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_FORCE_INLINE_ void operator=(const T &p_other) const {
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_cowdata.set(_index, p_other);
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}
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_FORCE_INLINE_ void operator=(const CharProxy<T> &p_other) const {
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_cowdata.set(_index, p_other.operator T());
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}
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};
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template <typename T>
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class CharStringT {
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friend class String;
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CowData<T> _cowdata;
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static inline const T _null = 0;
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public:
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_FORCE_INLINE_ T *ptrw() { return _cowdata.ptrw(); }
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_FORCE_INLINE_ const T *ptr() const { return _cowdata.ptr(); }
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_FORCE_INLINE_ int64_t size() const { return _cowdata.size(); }
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Error resize(int64_t p_size) { return _cowdata.resize(p_size); }
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_FORCE_INLINE_ T get(int64_t p_index) const { return _cowdata.get(p_index); }
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_FORCE_INLINE_ void set(int64_t p_index, const T &p_elem) { _cowdata.set(p_index, p_elem); }
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_FORCE_INLINE_ const T &operator[](int64_t p_index) const {
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if (unlikely(p_index == _cowdata.size())) {
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return _null;
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}
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return _cowdata.get(p_index);
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}
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_FORCE_INLINE_ CharProxy<T> operator[](int64_t p_index) { return CharProxy<T>(p_index, _cowdata); }
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_FORCE_INLINE_ CharStringT() {}
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_FORCE_INLINE_ CharStringT(const CharStringT<T> &p_str) { _cowdata._ref(p_str._cowdata); }
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_FORCE_INLINE_ void operator=(const CharStringT<T> &p_str) { _cowdata._ref(p_str._cowdata); }
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_FORCE_INLINE_ CharStringT(const T *p_cstr) { copy_from(p_cstr); }
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void operator=(const T *p_cstr);
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bool operator<(const CharStringT<T> &p_right) const;
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CharStringT<T> &operator+=(T p_char);
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int64_t length() const { return size() ? size() - 1 : 0; }
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const T *get_data() const;
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operator const T *() const { return get_data(); };
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protected:
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void copy_from(const T *p_cstr);
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};
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template <>
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const char *CharStringT<char>::get_data() const;
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template <>
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const char16_t *CharStringT<char16_t>::get_data() const;
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template <>
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const char32_t *CharStringT<char32_t>::get_data() const;
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template <>
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const wchar_t *CharStringT<wchar_t>::get_data() const;
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typedef CharStringT<char> CharString;
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typedef CharStringT<char16_t> Char16String;
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typedef CharStringT<char32_t> Char32String;
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typedef CharStringT<wchar_t> CharWideString;
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} // namespace godot
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#endif // GODOT_CHAR_STRING_HPP
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