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feat(string): add CTStringView and CTString concepts

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Redstone1024 2024-11-19 11:46:50 +08:00
parent 6230ec9df6
commit 19a37ea072
2 changed files with 19 additions and 2 deletions
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5
Redcraft.Utility/Source/Public/String/String.h
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@ -18,6 +18,9 @@ NAMESPACE_MODULE_BEGIN(Utility)
NAMESPACE_PRIVATE_BEGIN NAMESPACE_PRIVATE_BEGIN
template <typename T > struct TIsTString : FFalse { };
template <typename T, typename A> struct TIsTString<TString<T, A>> : FTrue { };
template <typename T> template <typename T>
class TCStringFromTString final : FNoncopyable class TCStringFromTString final : FNoncopyable
{ {
@ -58,6 +61,8 @@ private:
NAMESPACE_PRIVATE_END NAMESPACE_PRIVATE_END
template <typename T> concept CTString = NAMESPACE_PRIVATE::TIsTString<TRemoveCV<T>>::Value;
/** The default string allocator that uses SSO and can be placed right into FAny without dynamically allocating memory. */ /** The default string allocator that uses SSO and can be placed right into FAny without dynamically allocating memory. */
template <CCharType T> template <CCharType T>
using TDefaultStringAllocator = TInlineAllocator<(40 - 3 * sizeof(size_t)) / sizeof(T)>; using TDefaultStringAllocator = TInlineAllocator<(40 - 3 * sizeof(size_t)) / sizeof(T)>;

16
Redcraft.Utility/Source/Public/String/StringView.h
View File

@ -20,9 +20,21 @@ NAMESPACE_REDCRAFT_BEGIN
NAMESPACE_MODULE_BEGIN(Redcraft) NAMESPACE_MODULE_BEGIN(Redcraft)
NAMESPACE_MODULE_BEGIN(Utility) NAMESPACE_MODULE_BEGIN(Utility)
template <CCharType T>
class TStringView;
template <CCharType T, CAllocator<T> Allocator> template <CCharType T, CAllocator<T> Allocator>
class TString; class TString;
NAMESPACE_PRIVATE_BEGIN
template <typename T> struct TIsTStringView : FFalse { };
template <typename T> struct TIsTStringView<TStringView<T>> : FTrue { };
NAMESPACE_PRIVATE_END
template <typename T> concept CTStringView = NAMESPACE_PRIVATE::TIsTStringView<TRemoveCV<T>>::Value;
/** /**
* The class template TStringView describes an object that can refer to a constant contiguous sequence of char-like objects * The class template TStringView describes an object that can refer to a constant contiguous sequence of char-like objects
* with the first element of the sequence at position zero. Provides a set of convenient string processing functions. * with the first element of the sequence at position zero. Provides a set of convenient string processing functions.
@ -506,8 +518,8 @@ public:
/** /**
* Converts a string into a boolean value. * Converts a string into a boolean value.
* *
* - 1, "true", "True", "TRUE" and non-zero integers become true. * - "True" and non-zero integers become true.
* - 0, "false", "False", "FALSE" and unparsable values become false. * - "False" and unparsable values become false.
* *
* @return The boolean value. * @return The boolean value.
*/ */