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#pragma once
#include "case_insensitive_char_traits.h"
#include <util/generic/strbuf.h>
#include <util/generic/string.h>
#include <util/generic/hash.h>
#include <util/string/split.h>
using TCaseInsensitiveString = TBasicString<char, TCaseInsensitiveCharTraits>;
using TCaseInsensitiveStringBuf = TBasicStringBuf<char, TCaseInsensitiveCharTraits>;
// WARN: comparison works incorrectly if strings contain null bytes (`TCaseInsensitiveAsciiString{"ab\0c", 4} == TCaseInsensitiveAsciiString{"ab\0d", 4}`).
using TCaseInsensitiveAsciiString = TBasicString<char, TCaseInsensitiveAsciiCharTraits>;
// WARN: comparison works incorrectly if strings contain null bytes.
using TCaseInsensitiveAsciiStringBuf = TBasicStringBuf<char, TCaseInsensitiveAsciiCharTraits>;
// Convert chars using std::tolower and hash the resulting string.
// Locale may affect the result.
size_t CaseInsensitiveStringHash(const char* s, size_t n) noexcept;
// Convert chars using AsciiToLower and hash the resulting string.
size_t CaseInsensitiveAsciiStringHash(const char* s, size_t n) noexcept;
template <>
struct THash<TCaseInsensitiveStringBuf> {
size_t operator()(TCaseInsensitiveStringBuf str) const noexcept {
return CaseInsensitiveStringHash(str.data(), str.size());
}
};
template <>
struct THash<TCaseInsensitiveAsciiStringBuf> {
size_t operator()(TCaseInsensitiveAsciiStringBuf str) const noexcept {
return CaseInsensitiveAsciiStringHash(str.data(), str.size());
}
};
template <>
struct THash<TCaseInsensitiveString> : THash<TCaseInsensitiveStringBuf> {};
template <>
struct THash<TCaseInsensitiveAsciiString> : THash<TCaseInsensitiveAsciiStringBuf> {};
namespace NStringSplitPrivate {
template<>
struct TStringBufOfImpl<TCaseInsensitiveStringBuf> {
/*
* WARN:
* StringSplitter does not use TCharTraits properly.
* Splitting such strings is explicitly disabled.
*/
// using type = TCaseInsensitiveStringBuf;
};
template<>
struct TStringBufOfImpl<TCaseInsensitiveString> : TStringBufOfImpl<TCaseInsensitiveStringBuf> {
};
} // namespace NStringSplitPrivate
template <>
struct TEqualTo<TCaseInsensitiveString>: public TEqualTo<TCaseInsensitiveStringBuf> {
using is_transparent = void;
};
template <>
struct TEqualTo<TCaseInsensitiveAsciiString>: public TEqualTo<TCaseInsensitiveAsciiStringBuf> {
using is_transparent = void;
};
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