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AK: Add String::starts_with to match String::ends_with

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This commit is contained in:
Conrad Pankoff 2019-06-04 21:53:25 +10:00 committed by Andreas Kling
parent 738f9de9a9
commit 419e886497
2 changed files with 12 additions and 0 deletions
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1
AK/AKString.h
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@ -126,6 +126,7 @@ public:
return (*m_impl)[i];
}
bool starts_with(const StringView&) const;
bool ends_with(const StringView&) const;
bool operator==(const String&) const;

11
AK/String.cpp
View file

@ -180,6 +180,17 @@ String String::format(const char* fmt, ...)
return builder.to_string();
}
bool String::starts_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(), str.characters(), str.length());
}
bool String::ends_with(const StringView& str) const
{
if (str.is_empty())