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Add 'UTF8CharLength(..)' to utility.cpp

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This commit is contained in:
Kawe Mazidjatari 2022-06-24 12:12:30 +02:00
parent e1ede0c995
commit e22c17340f
2 changed files with 18 additions and 0 deletions
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1
r5dev/public/include/utility.h
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@ -32,6 +32,7 @@ string Base64Decode(const string& svInput);
string UTF8Encode(const wstring& wsvInput);
string UTF8Decode(const string& svInput);
size_t UTF8CharLength(const uint8_t cInput);
bool StringIsDigit(const string& svInput);
bool CompareStringAlphabetically(const string& svA, const string& svB);

17
r5dev/public/utility.cpp
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@ -485,6 +485,23 @@ string UTF8Decode(const string& svInput)
return "";
}
///////////////////////////////////////////////////////////////////////////////
// For obtaining UTF8 character length.
size_t UTF8CharLength(const uint8_t cInput)
{
if ((cInput & 0xFE) == 0xFC)
return 6;
if ((cInput & 0xFC) == 0xF8)
return 5;
if ((cInput & 0xF8) == 0xF0)
return 4;
else if ((cInput & 0xF0) == 0xE0)
return 3;
else if ((cInput & 0xE0) == 0xC0)
return 2;
return 1;
}
///////////////////////////////////////////////////////////////////////////////
// For checking if a string is a number.
bool StringIsDigit(const string& svInput)