common: fs_util: Add buffer to string view utility functions
These functions allow to construct a string view from an input buffer, avoiding the copy done by the non string view counterparts. However, callers must be cognizant of the viewed buffer's lifetime to avoid a use-after-free.
This commit is contained in:
parent
eaca010ee9
commit
4390370a19
|
@ -16,6 +16,10 @@ std::u8string BufferToU8String(std::span<const u8> buffer) {
|
|||
return std::u8string{buffer.begin(), std::ranges::find(buffer, u8{0})};
|
||||
}
|
||||
|
||||
std::u8string_view BufferToU8StringView(std::span<const u8> buffer) {
|
||||
return std::u8string_view{reinterpret_cast<const char8_t*>(buffer.data())};
|
||||
}
|
||||
|
||||
std::string ToUTF8String(std::u8string_view u8_string) {
|
||||
return std::string{u8_string.begin(), u8_string.end()};
|
||||
}
|
||||
|
@ -24,6 +28,10 @@ std::string BufferToUTF8String(std::span<const u8> buffer) {
|
|||
return std::string{buffer.begin(), std::ranges::find(buffer, u8{0})};
|
||||
}
|
||||
|
||||
std::string_view BufferToUTF8StringView(std::span<const u8> buffer) {
|
||||
return std::string_view{reinterpret_cast<const char*>(buffer.data())};
|
||||
}
|
||||
|
||||
std::string PathToUTF8String(const std::filesystem::path& path) {
|
||||
return ToUTF8String(path.u8string());
|
||||
}
|
||||
|
|
|
@ -37,6 +37,15 @@ concept IsChar = std::same_as<T, char>;
|
|||
*/
|
||||
[[nodiscard]] std::u8string BufferToU8String(std::span<const u8> buffer);
|
||||
|
||||
/**
|
||||
* Same as BufferToU8String, but returns a string view of the buffer.
|
||||
*
|
||||
* @param buffer Buffer of bytes
|
||||
*
|
||||
* @returns UTF-8 encoded std::u8string_view.
|
||||
*/
|
||||
[[nodiscard]] std::u8string_view BufferToU8StringView(std::span<const u8> buffer);
|
||||
|
||||
/**
|
||||
* Converts a std::u8string or std::u8string_view to a UTF-8 encoded std::string.
|
||||
*
|
||||
|
@ -57,6 +66,15 @@ concept IsChar = std::same_as<T, char>;
|
|||
*/
|
||||
[[nodiscard]] std::string BufferToUTF8String(std::span<const u8> buffer);
|
||||
|
||||
/**
|
||||
* Same as BufferToUTF8String, but returns a string view of the buffer.
|
||||
*
|
||||
* @param buffer Buffer of bytes
|
||||
*
|
||||
* @returns UTF-8 encoded std::string_view.
|
||||
*/
|
||||
[[nodiscard]] std::string_view BufferToUTF8StringView(std::span<const u8> buffer);
|
||||
|
||||
/**
|
||||
* Converts a filesystem path to a UTF-8 encoded std::string.
|
||||
*
|
||||
|
|
Reference in New Issue