mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-21 13:14:46 +00:00
ba32094b7b
keeping the alt 87514151c4 (diff-73a8dc1ce58605f6c5ea53548454c3bae516ec5132a29c9d7ff7edf9730c75be)
60 lines
2 KiB
C++
60 lines
2 KiB
C++
#ifndef AL_STRING_H
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#define AL_STRING_H
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#include <algorithm>
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#include <cstddef>
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#include <limits>
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#include <string>
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#include <string_view>
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namespace al {
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template<typename ...Ts>
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[[nodiscard]] constexpr
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auto sizei(const std::basic_string_view<Ts...> str) noexcept -> int
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{ return static_cast<int>(std::min<std::size_t>(str.size(), std::numeric_limits<int>::max())); }
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template<typename ...Ts>
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[[nodiscard]] constexpr
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auto sizei(const std::basic_string<Ts...> &str) noexcept -> int
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{ return static_cast<int>(std::min<std::size_t>(str.size(), std::numeric_limits<int>::max())); }
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[[nodiscard]]
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constexpr bool contains(const std::string_view str0, const std::string_view str1) noexcept
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{ return str0.find(str1) != std::string_view::npos; }
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[[nodiscard]]
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constexpr bool starts_with(const std::string_view str0, const std::string_view str1) noexcept
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{ return str0.substr(0, std::min(str0.size(), str1.size())) == str1; }
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[[nodiscard]]
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constexpr bool ends_with(const std::string_view str0, const std::string_view str1) noexcept
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{ return str0.substr(str0.size() - std::min(str0.size(), str1.size())) == str1; }
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[[nodiscard]]
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int case_compare(const std::string_view str0, const std::string_view str1) noexcept;
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[[nodiscard]]
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int case_compare(const std::wstring_view str0, const std::wstring_view str1) noexcept;
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/* C++20 changes path::u8string() to return a string using a new/distinct
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* char8_t type for UTF-8 strings. However, support for this with standard
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* string functions is totally inadequate, and we already hold UTF-8 with plain
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* char strings. So this function is used to reinterpret a char8_t string as a
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* char string_view.
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*/
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#if defined(__cpp_lib_char8_t) && __cpp_lib_char8_t >= 201907L
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inline auto u8_as_char(const std::u8string_view str) -> std::string_view
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#else
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inline auto u8_as_char(const std::string_view str) -> std::string_view
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#endif
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{
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return std::string_view{reinterpret_cast<const char*>(str.data()), str.size()};
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}
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} // namespace al
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#endif /* AL_STRING_H */
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