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AK: Add two starts_with{bytes,}() APIs to String

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Ali Mohammad Pur 2023-02-18 10:04:37 +03:30 committed by Ali Mohammad Pur
parent 3a5802540e
commit 79e4027480
Notes: sideshowbarker 2024-07-16 23:38:44 +09:00 
Author: https://github.com/alimpfard
Commit: https://github.com/SerenityOS/serenity/commit/79e4027480
Pull-request: https://github.com/SerenityOS/serenity/pull/17538
Reviewed-by: https://github.com/ADKaster
2 changed files with 13 additions and 0 deletions
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10
AK/String.cpp
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@ -491,6 +491,16 @@ bool String::contains(char needle, CaseSensitivity case_sensitivity) const
return contains(StringView { &needle, 1 }, case_sensitivity);
}
bool String::starts_with_bytes(StringView bytes) const
{
return bytes_as_string_view().starts_with(bytes);
}
bool String::starts_with(u32 code_point) const
{
return bytes_as_string_view().starts_with(code_point);
}
bool String::is_short_string() const
{
return has_short_string_bit(reinterpret_cast<uintptr_t>(m_data));

3
AK/String.h
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@ -109,6 +109,9 @@ public:
// Compare this String against another string with caseless matching. Using this method requires linking LibUnicode into your application.
ErrorOr<bool> equals_ignoring_case(String const&) const;
bool starts_with(u32 code_point) const;
bool starts_with_bytes(StringView) const;
// Creates a substring with a deep copy of the specified data window.
ErrorOr<String> substring_from_byte_offset(size_t start, size_t byte_count) const;
ErrorOr<String> substring_from_byte_offset(size_t start) const;