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Enhances the fast initial parse of lowercase

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git-svn-id: trunk@32864 -
This commit is contained in:
sekelsenmat 2011-10-12 19:23:46 +00:00
parent 524c46d2cc
commit 0071c56828
1 changed files with 27 additions and 4 deletions
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31
components/lazutils/lazutf8.pas
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@ -1567,11 +1567,34 @@ begin
begin
c1 := InStr^;
case c1 of
'A'..'Z',#$C3, #$C4, #$C5..#$C8, #$CE, #$D0..#$D2, #$E1: Break;
// already lower, or otherwhise not affected
else
inc(InStr);
'A'..'Z': Break;
#$C3, #$C4, #$C5..#$C8, #$CE, #$D0..#$D2, #$E1:
begin
c2 := InStr[1];
case c1 of
#$C3: if c2 in [#$80..#$9E] then Break;
#$C4:
begin
case c2 of
#$81..#$A9, #$B2..#$B6: if ord(c2) mod 2 = 0 then Break;
#$B8..#$FF: if ord(c2) mod 2 = 1 then Break;
#$B0: Break;
end;
end;
#$C5:
begin
case c2 of
#$8A..#$B7: if ord(c2) mod 2 = 0 then Break;
#$00..#$88, #$B9..#$FF: if ord(c2) mod 2 = 1 then Break;
#$B8: Break;
end;
end;
#$C6..#$C8,#$CE, #$D0..#$D2, #$E1: Break;
// already lower, or otherwhise not affected
end;
end;
end;
inc(InStr);
end;
if InStr >= InStrEnd then Exit;