diff options
Diffstat (limited to 'src/CharClassify.cxx')
-rw-r--r-- | src/CharClassify.cxx | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/CharClassify.cxx b/src/CharClassify.cxx index c16af4547..7e3db737e 100644 --- a/src/CharClassify.cxx +++ b/src/CharClassify.cxx @@ -46,3 +46,19 @@ void CharClassify::SetCharClasses(const unsigned char *chars, cc newCharClass) { } } } + +int CharClassify::GetCharsOfClass(cc characterClass, unsigned char *buffer) { + // Get characters belonging to the given char class; return the number + // of characters (if the buffer is NULL, don't write to it). + int count = 0; + for (int ch = maxChar - 1; ch >= 0; --ch) { + if (charClass[ch] == characterClass) { + ++count; + if (buffer) { + *buffer = static_cast<unsigned char>(ch); + buffer++; + } + } + } + return count; +} |