diff options
author | Spartan322 <Megacake1234@gmail.com> | 2023-11-10 05:14:58 +0100 |
---|---|---|
committer | Spartan322 <Megacake1234@gmail.com> | 2023-11-10 23:15:32 +0100 |
commit | cf591eddfa59839c2620ebf119727f069b965dfe (patch) | |
tree | 65ca78284e4ed1a2b07716018a721aaaf68d3830 /extension/src/openvic-extension/utility/StringLiteral.hpp | |
parent | f8da0860795d273452501fa4d7fbfcc40073a884 (diff) |
Add ClassBinding helpers
OV_BIND_METHOD
OV_BIND_SMETHOD
OV_BIND_SMETHOD_L
Change _bind_methods to use ClassBinding helpers
Add utility/StringLiteral
Make `GameSingleton::singleton` inline
Move `OpenVic::Checksum` implementation to source file
Update scripts to ce1aef8d7d9d5ba9851a1abdd981d3b796024079
Diffstat (limited to 'extension/src/openvic-extension/utility/StringLiteral.hpp')
-rw-r--r-- | extension/src/openvic-extension/utility/StringLiteral.hpp | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/extension/src/openvic-extension/utility/StringLiteral.hpp b/extension/src/openvic-extension/utility/StringLiteral.hpp new file mode 100644 index 0000000..90b18cd --- /dev/null +++ b/extension/src/openvic-extension/utility/StringLiteral.hpp @@ -0,0 +1,106 @@ +#pragma once + +#include <algorithm> +#include <cassert> +#include <cstddef> +#include <iterator> +#include <string_view> +#include <type_traits> + +namespace OpenVic { + template<std::size_t N> + struct StringLiteral { + constexpr StringLiteral(const char (&str)[N]) { + std::copy_n(str, N, value); + } + + consteval StringLiteral(std::string_view string) { + assert(string.size() == N); + std::copy_n(string.begin(), N, value); + } + + char value[N]; + static const constexpr std::integral_constant<std::size_t, N - 1> size {}; + + struct iterator { + using iterator_concept [[maybe_unused]] = std::contiguous_iterator_tag; + using difference_type = std::ptrdiff_t; + using element_type = const char; // element_type is a reserved name that must be used in the definition + using pointer = element_type*; + using reference = element_type&; + + constexpr iterator() = default; + constexpr iterator(pointer p) : _ptr(p) {} + constexpr reference operator*() const { + return *_ptr; + } + constexpr pointer operator->() const { + return _ptr; + } + constexpr auto& operator++() { + _ptr++; + return *this; + } + constexpr auto operator++(int) { + auto tmp = *this; + ++(*this); + return tmp; + } + constexpr iterator& operator+=(int i) { + _ptr += i; + return *this; + } + constexpr iterator operator+(const difference_type other) const { + return _ptr + other; + } + constexpr friend iterator operator+(const difference_type value, const iterator& other) { + return other + value; + } + constexpr iterator& operator--() { + _ptr--; + return *this; + } + constexpr iterator operator--(int) { + iterator tmp = *this; + --(*this); + return tmp; + } + constexpr iterator& operator-=(int i) { + _ptr -= i; + return *this; + } + constexpr difference_type operator-(const iterator& other) const { + return _ptr - other._ptr; + } + constexpr iterator operator-(const difference_type other) const { + return _ptr - other; + } + friend iterator operator-(const difference_type value, const iterator& other) { + return other - value; + } + constexpr reference operator[](difference_type idx) const { + return _ptr[idx]; + } + constexpr auto operator<=>(const iterator&) const = default; // three-way comparison C++20 + + private: + pointer _ptr; + }; + + constexpr iterator begin() const { + return iterator { &value }; + } + + constexpr iterator end() const { + return iterator { &value + N }; + } + + constexpr operator std::string_view() const { + return std::string_view { value, N }; + } + + constexpr decltype(auto) data() const { + return static_cast<std::string_view>(*this).data(); + } + }; +} |