4#include "../Foundation/Span.h"
9#define SC_NATIVE_STR(str) L##str
11#define SC_NATIVE_STR(str) str
15enum class StringEncoding :
uint8_t
20#if SC_PLATFORM_WINDOWS
35 constexpr StringSpan(StringEncoding encoding = StringEncoding::Ascii) : text(nullptr), textSizeInBytes(0), encoding(static_cast<
uint8_t>(encoding)), hasNullTerm(0) {}
41 constexpr StringSpan(
Span<const char> text,
bool nullTerm, StringEncoding encoding) : text(text.data()), textSizeInBytes(text.sizeInBytes()), encoding(static_cast<
uint8_t>(encoding)), hasNullTerm(nullTerm ? 1 : 0) {}
45 constexpr StringSpan(
const char (&str)[N]) : text(str), textSizeInBytes(N - 1), encoding(static_cast<
uint8_t>(StringEncoding::Ascii)), hasNullTerm(true) {}
50#if SC_PLATFORM_WINDOWS
51 constexpr StringSpan(
Span<const wchar_t> textSpan,
bool nullTerm) : textWide(textSpan.data()), textSizeInBytes(textSpan.sizeInBytes()), encoding(static_cast<
uint8_t>(StringEncoding::Native)), hasNullTerm(nullTerm ? 1 : 0) {}
54 constexpr StringSpan(
const wchar_t (&str)[N]) : textWide(str), textSizeInBytes((N - 1)* sizeof(wchar_t)), encoding(static_cast<uint8_t>(StringEncoding::Native)), hasNullTerm(true) {}
55 static constexpr StringSpan fromNullTerminated(
const wchar_t* text, StringEncoding encoding) {
return text ==
nullptr ? StringSpan(encoding) : StringSpan({text, ::wcslen(text)},
true); }
57 constexpr bool operator ==(
const StringSpan other)
const {
return textSizeInBytes == other.textSizeInBytes and ::memcmp(text, other.text, textSizeInBytes) == 0; }
64 [[nodiscard]]
constexpr bool isEmpty()
const {
return text ==
nullptr or textSizeInBytes == 0; }
70 [[nodiscard]]
constexpr size_t sizeInBytes()
const {
return textSizeInBytes; }
73 [[nodiscard]]
constexpr StringEncoding
getEncoding()
const {
return static_cast<StringEncoding
>(encoding); }
84#if SC_PLATFORM_WINDOWS
96#if SC_PLATFORM_WINDOWS
97 const wchar_t* textWide;
101 static constexpr size_t NumOptionBits = 3;
102 static constexpr size_t MaxLength = (~static_cast<size_t>(0)) >> NumOptionBits;
104 size_t textSizeInBytes :
sizeof(size_t) * 8 - NumOptionBits;
106 size_t hasNullTerm : 1;
#define SC_COMPILER_EXPORT
Macro for symbol visibility in non-MSVC compilers.
Definition Compiler.h:78
unsigned char uint8_t
Platform independent (1) byte unsigned int.
Definition PrimitiveTypes.h:36
View over a contiguous sequence of items (pointer + size in elements).
Definition Span.h:29
An read-only view over a string (to avoid including Strings library when parsing is not needed).
Definition StringSpan.h:31
auto getNullTerminatedNative() const
Directly access the memory of this null terminated-StringView.
Definition StringSpan.h:82
constexpr StringSpan(const char(&str)[N])
Constructs a StringView with a null terminated string terminal.
Definition StringSpan.h:45
constexpr size_t sizeInBytes() const
Get size of the StringView in bytes.
Definition StringSpan.h:70
static constexpr StringSpan fromNullTerminated(const char *text, StringEncoding encoding)
Constructs a StringView from a null terminated string.
Definition StringSpan.h:48
Span< const char > toCharSpan() const
Obtain a const char Span from this StringView.
Definition StringSpan.h:61
constexpr StringEncoding getEncoding() const
Get encoding of this StringView.
Definition StringSpan.h:73
constexpr bool isEmpty() const
Return true if StringView is empty.
Definition StringSpan.h:64
constexpr StringSpan(Span< const char > text, bool nullTerm, StringEncoding encoding)
Construct a StringView from a Span of bytes.
Definition StringSpan.h:41
constexpr StringSpan(StringEncoding encoding=StringEncoding::Ascii)
Construct an empty StringView.
Definition StringSpan.h:35
constexpr bool isNullTerminated() const
Check if StringView is immediately followed by a null termination character.
Definition StringSpan.h:67
constexpr const char * bytesWithoutTerminator() const
Directly access the memory of this StringView.
Definition StringSpan.h:76
Non-owning view over a range of characters with UTF Encoding.
Definition StringView.h:48