En/na Mattias Gärtner ha escrit:
For most string operations, like computing the byte length or comparing strings
ASCII case insensitive, UTF-8 is 100% compatible.
but not if you need char length, say limiting a text to 40 characters
and indicating there that the text has been truncated with '..':
if length(s)>40 then s:=copy(s,1,38)+'..';
or maybe faster
if length(s)>40 then
begin
s[39]:='.';
s[40]:='.';
setlength(s,40);
end;
would break with utf-8 (and with utf-16 too if you use characters
outside the bmp). There are probably utf-8 equivalents of the above, but
old habits die hard....
Maybe for internal processing utf-32 is better and only use utf-8 for
input/output and/or interface with other systems?
Bye
--
Luca Olivetti
Wetron Automatización S.A. http://www.wetron.es/
Tel. +34 93 5883004 Fax +34 93 5883007
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