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AK: Move String::ends_with implementation to StringUtils

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Centralizing so it can be used by other string implementations
This commit is contained in:
Brian Gianforcaro 2020-05-26 02:58:34 -07:00 committed by Andreas Kling
parent d98e743568
commit 8e4b858b3f
Notes: sideshowbarker 2024-07-19 06:07:44 +09:00 
Author: https://github.com/bgianfo
Commit: https://github.com/SerenityOS/serenity/commit/8e4b858b3ff
Pull-request: https://github.com/SerenityOS/serenity/pull/2387
Reviewed-by: https://github.com/awesomekling
3 changed files with 15 additions and 7 deletions
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8
AK/String.cpp
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@ -280,13 +280,7 @@ bool String::starts_with(char ch) const
bool String::ends_with(const StringView& str) const
{
if (str.is_empty())
return true;
if (is_empty())
return false;
if (str.length() > length())
return false;
return !memcmp(characters() + (length() - str.length()), str.characters_without_null_termination(), str.length());
return StringUtils::ends_with(*this, str);
}
bool String::ends_with(char ch) const

12
AK/StringUtils.cpp
View file

@ -25,6 +25,7 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/Memory.h>
#include <AK/String.h>
#include <AK/StringUtils.h>
#include <AK/StringView.h>
@ -195,6 +196,17 @@ bool equals_ignoring_case(const StringView& a, const StringView& b)
return true;
}
bool ends_with(const StringView& str, const StringView& end)
{
if (end.is_empty())
return true;
if (str.is_empty())
return false;
if (end.length() > str.length())
return false;
return !memcmp(str.characters_without_null_termination() + (str.length() - end.length()), end.characters_without_null_termination(), end.length());
}
}
}

2
AK/StringUtils.h
View file

@ -43,6 +43,8 @@ int convert_to_int(const StringView&, bool& ok);
unsigned convert_to_uint(const StringView&, bool& ok);
unsigned convert_to_uint_from_hex(const StringView&, bool& ok);
bool equals_ignoring_case(const StringView&, const StringView&);
bool ends_with(const StringView& str, const StringView& end);
}
}