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216b038a7d
We can utilize std::char_traits to generically handle the defined character type. Since C++17, std::char_traits' length() function is constexpr, so we can also make StrLen constexpr.
58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
#pragma once
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#ifndef _WIN32
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#include <cstdlib>
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#include <unistd.h>
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#include <sys/stat.h>
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#else
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN 1
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#endif
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#ifndef NOMINMAX
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#define NOMINMAX
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#endif
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#include <cwchar>
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#endif
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#include <string>
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#include <string_view>
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#include <cstring>
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#include <algorithm>
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namespace hecl {
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#if _WIN32 && UNICODE
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#define HECL_UCS2 1
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#endif
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#if HECL_UCS2
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typedef wchar_t SystemChar;
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typedef std::wstring SystemString;
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typedef std::wstring_view SystemStringView;
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static inline void ToLower(SystemString& str) { std::transform(str.begin(), str.end(), str.begin(), towlower); }
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static inline void ToUpper(SystemString& str) { std::transform(str.begin(), str.end(), str.begin(), towupper); }
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#ifndef _SYS_STR
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#define _SYS_STR(val) L##val
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#endif
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typedef struct _stat Sstat;
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#else
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typedef char SystemChar;
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typedef std::string SystemString;
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typedef std::string_view SystemStringView;
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static inline void ToLower(SystemString& str) {
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std::transform(str.begin(), str.end(), str.begin(),
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[](SystemChar c) { return std::tolower(static_cast<unsigned char>(c)); });
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}
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static inline void ToUpper(SystemString& str) {
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std::transform(str.begin(), str.end(), str.begin(),
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[](SystemChar c) { return std::toupper(static_cast<unsigned char>(c)); });
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}
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#ifndef _SYS_STR
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#define _SYS_STR(val) val
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#endif
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typedef struct stat Sstat;
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#endif
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constexpr size_t StrLen(const SystemChar* str) { return std::char_traits<SystemChar>::length(str); }
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} // namespace hecl
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