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AK: Add Utf8View::length_in_codepoints()

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This commit is contained in:
Andreas Kling 2020-05-17 13:02:27 +02:00
parent 1469d20e63
commit 6cde7e4d20
2 changed files with 12 additions and 0 deletions
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10
AK/Utf8View.cpp
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@ -132,6 +132,16 @@ bool Utf8View::validate() const
return true; return true;
} }
size_t Utf8View::length_in_codepoints() const
{
size_t length = 0;
for (auto codepoint : *this) {
(void)codepoint;
++length;
}
return length;
}
Utf8CodepointIterator::Utf8CodepointIterator(const unsigned char* ptr, int length) Utf8CodepointIterator::Utf8CodepointIterator(const unsigned char* ptr, int length)
: m_ptr(ptr) : m_ptr(ptr)
, m_length(length) , m_length(length)

2
AK/Utf8View.h
View file

@ -72,6 +72,8 @@ public:
bool validate() const; bool validate() const;
size_t length_in_codepoints() const;
private: private:
const unsigned char* begin_ptr() const; const unsigned char* begin_ptr() const;
const unsigned char* end_ptr() const; const unsigned char* end_ptr() const;