DELPHI FAQ: 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

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