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| author | Maxime Coste <frrrwww@gmail.com> | 2016-02-05 09:13:07 +0000 |
|---|---|---|
| committer | Maxime Coste <frrrwww@gmail.com> | 2016-02-05 09:13:07 +0000 |
| commit | 94cbd5a837edfdcf87b754f3a943c57fbd9c9c32 (patch) | |
| tree | 0b0f51cd571ec2a5ead868013757ddcd15790276 /src/utf8.hh | |
| parent | ff6eacffa3f5bb10e0bf0d31b3eabc7ac10fcd51 (diff) | |
More string usage cleanup
Diffstat (limited to 'src/utf8.hh')
| -rw-r--r-- | src/utf8.hh | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/utf8.hh b/src/utf8.hh index f38327eb..648c6011 100644 --- a/src/utf8.hh +++ b/src/utf8.hh @@ -178,6 +178,20 @@ ByteCount codepoint_size(char byte) struct invalid_codepoint{}; +inline ByteCount codepoint_size(Codepoint cp) +{ + if (cp <= 0x7F) + return 1; + else if (cp <= 0x7FF) + return 2; + else if (cp <= 0xFFFF) + return 3; + else if (cp <= 0x10FFFF) + return 4; + else + throw invalid_codepoint{}; +} + template<typename OutputIterator> void dump(OutputIterator&& it, Codepoint cp) { |