Алгоритм переноса русского текста по слогам?
Алгоритм переноса русского текста по слогам?
interface
uses
Windows,Classes,SysUtils;
Function SetHyph(pc:PChar;MaxSize:Integer):PChar;
Function SetHyphString(s : String):String;
Function MayBeHyph(p:PChar;pos:Integer):Boolean;
implementation
Type
TSymbol=(st_Empty,st_NoDefined,st_Glas,st_Sogl,st_Spec);
TSymbAR=array [0..1000] of TSymbol;
PSymbAr=^TSymbAr;
Const
HypSymb=#$1F;
Spaces=[' ', ',',';', ':','.','?','!','/', #10, #13 ];
GlasCHAR=['?', 'L', 'х', '+', 'v', '-','р', '-', 'ю', '+', ' ', '-',
'ш', 'L', '¦', '¦', '?', '¦',
{ english }
'e', 'E', 'u', 'U','i', 'I', 'o', 'O', 'a', 'A', 'j', 'J'
];
SoglChar=['?', 'г' , 'ъ', '¦' ,'э', '=' , 'у', '+' , '°', '+' , '-' ,
'ч', '¦' , '?', '-' ,'?', 'L' , 'т', 'T' , 'я', '¦' , 'Ё', '¦' ,
'ы', 'T' , 'ф', '-' ,'ц', '¦' , '?', '+' , 'ё', 'T' , 'ь', '¦' ,
'?', 'T' , 'с', '+' ,
{ english }
'q', 'Q','w', 'W', 'r', 'R','t', 'T','y', 'Y','p', 'P','s',
'S',
'd', 'D','f', 'F', 'g', 'G','h', 'H','k', 'K','l', 'L','z',
'Z',
'x', 'X','c', 'C', 'v', 'V', 'b', 'B', 'n', 'N','m', 'M' ];
SpecSign= [ '·', '-','c', '-', 'щ', 'г'];
Function isSogl(c:Char):Boolean;
begin
Result:=c in SoglChar;
end;
Function isGlas(c:Char):Boolean;
begin
Result:=c in GlasChar;
end;
Function isSpecSign(c:Char):Boolean;
begin
Result:=c in SpecSign;
end;
Function GetSymbType(c:Char):TSymbol;
begin
if isSogl(c) then begin Result:=st_Sogl;exit;end;
if isGlas(c) then begin Result:=st_Glas;exit;end;
if isSpecSign(c) then begin Result:=st_Spec;exit;end;
Result:=st_NoDefined;
end;
Function isSlogMore(c:pSymbAr;start,len:Integer):Boolean;
var i:Integer;
glFlag:Boolean;
begin
glFlag:=false;
for i:=Start to Len-1 do
begin
if c^[i]=st_NoDefined then begin Result:=false;exit;end;
if (c^[i]=st_Glas)and((c^[i+1]<>st_Nodefined)or(i<>Start))
then
begin
Result:=True;
exit;
end;
end;
Result:=false;
end;
{ Ёрёё?рты ыър яхЁхэюёют }
Function SetHyph(pc:PChar;MaxSize:Integer):PChar;
var
HypBuff : Pointer;
h : PSymbAr;
i : Integer;
len : Integer;
Cur : Integer; { }
cw : Integer; { =юьхЁ с?ътv т ёыютх }
Lock: Integer; { ё?х??шъ сыюъшЁютюъ }
begin
Cur:=0;
len := StrLen(pc);
if (MaxSize=0)OR(Len=0) then
begin
Result:=nil;
Exit;
end;
GetMem(HypBuff,MaxSize);
GetMem(h,Len+1);
for i:=0 to len-1 do h^[i]:=GetSymbType(pc[i]);
cw:=0;
Lock:=0;
for i:=0 to Len-1 do
begin
PChar(HypBuff)[cur]:=PChar(pc)[i];Inc(Cur);
if i>=Len-2 then Continue;
if h^[i]=st_NoDefined then begin cw:=0;Continue;end else Inc(cw);
if Lock<>0 then begin Dec(Lock);Continue;end;
if cw<=1 then Continue;
if not(isSlogMore(h,i+1,len)) then Continue;
if
(h^[i]=st_Sogl)and(h^[i-1]=st_Glas)and(h^[i+1]=st_Sogl)and(h^[i+2]<>st_Spec)
then begin PChar(HypBuff)[cur]:=HypSymb;Inc(Cur);Lock:=1;end;
if
(h^[i]=st_Glas)and(h^[i-1]=st_Sogl)and(h^[i+1]=st_Sogl)and(h^[i+2]=st_Glas)
then begin PChar(HypBuff)[cur]:=HypSymb;Inc(Cur);Lock:=1;end;
if
(h^[i]=st_Glas)and(h^[i-1]=st_Sogl)and(h^[i+1]=st_Glas)and(h^[i+2]=st_Sogl)
then begin PChar(HypBuff)[cur]:=HypSymb;Inc(Cur);Lock:=1;end;
if (h^[i]=st_Spec) then begin
PChar(HypBuff)[cur]:=HypSymb;Inc(Cur);Lock:=1; end;
end;
{}
FreeMem(h,Len+1);
PChar(HypBuff)[cur]:=#0;
Result:=HypBuff;
end;
Function Red_GlasMore(p:Pchar;pos:Integer):Boolean;
begin
While p[pos]<>#0 do
begin
if p[pos] in Spaces then begin Result:=False; Exit; end;
if isGlas(p[pos]) then begin Result:=True; Exit; end;
Inc(pos);
end;
Result:=False;
end;
Function Red_SlogMore(p:Pchar;pos:Integer):Boolean;
Var BeSogl,BeGlas:Boolean;
begin
BeSogl:=False;
BeGlas:=False;
While p[pos]<>#0 do
begin
if p[pos] in Spaces then Break;
if Not BeGlas then BeGlas:=isGlas(p[pos]);
if Not BeSogl then BeSogl:=isSogl(p[pos]);
Inc(pos);
end;
Result:=BeGlas and BeSogl;
end;
Function MayBeHyph(p:PChar;pos:Integer):Boolean;
var i:Integer;
len:Integer;
begin
i:=pos;
Len:=StrLen(p);
Result:=
(Len>3)
AND
(i>2)
AND
(i<Len-2)
AND
(not (p[i] in Spaces))
AND
(not (p[i+1] in Spaces))
AND
(not (p[i-1] in Spaces))
AND
(
(isSogl(p[i])and isGlas(p[i-1])and isSogl(p[i+1])and
Red_SlogMore(p,i+1))
OR
((isGlas(p[i]))and(isSogl(p[i-1]))and(isSogl(p[i+1]))and(isGlas(p[i+2])))
OR
((isGlas(p[i]))and(isSogl(p[i-1]))and(isGlas(p[i+1])) and
Red_SlogMore(p,i+1) )
OR
((isSpecSign(p[i])))
);
end;
Function SetHyphString(s : String):String;
Var Res:PChar;
begin
Res:=SetHyph(PChar(S),Length(S)*2)
Result:=Res;
FreeMem(Res,Length(S)*2);
end;
end.
Alex Gorbunov
acdc@media-press.donetsk.ua
www.media-press.donetsk.ua
(2:465/85.4)
.
Взято из
FAQ:Delphi and Windows API Tips'n'Tricks
olmal@mail.ru
http://www.chat.ru/~olmal