在一些开发工具里输开发语言时一些保留字都会以特别的样式显示,比如delphi中的BEGIN这些,
这是怎么作的
麻烦大家了
这是怎么作的
麻烦大家了
解决方案 »
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检索所有单词,比较关键字库,如匹配,做处理。
InVisible : Boolean);
const
// 符号...
CodeC1: array[0..20] of String = ('#','$','(',')','*',',',
'.','/',':',';','[',']','{','}','<','>',
'-','=','+','''','@');
// 保留字...
CodeC2: array[0..44] of String = ('and','as','begin',
'case','char','class','const','downto',
'else','end','except','finally','for',
'forward','function','if','implementation','interface',
'is','nil','or','private','procedure','public','raise',
'repeat','string','to','try','type','unit','uses','var',
'while','external','stdcall','do','until','array','of',
'in','shr','shl','cos','div');
var
FoundAt : LongInt;
StartPos, ToEnd, i : integer;
OldCap,T : String;
FontC, BackC, C1, C2 ,C3 ,strC, strC1 : TColor;
begin
OldCap := Form.Caption;
with RichE do
begin
Font.Name := 'Courier New';
Font.Size := 10;
if WordWrap then WordWrap := false;
SelectAll;
SelAttributes.color := clBlack;
SelAttributes.Style := [];
SelStart := 0;
if InVisible then
begin
Visible := False;
Form.Caption := 'Executing Code Coloring...';
end;
end; BackC := clWhite; FontC := clBlack;
C1 := clBlack; C2 := clBlack; C3 := clBlack;
strC := clBlue; strC1 := clSilver; if Style = 'Twilight' then
begin
BackC := clBlack; FontC := clWhite;
C1 := clLime; C2 := clSilver; C3 := clAqua;
strC := clYellow; strC1 := clRed;
end
else
if Style = 'Default' then
begin
BackC := clWhite; FontC := clBlack;
C1 := clTeal; C2 := clMaroon; C3 := clBlue;
strC := clMaroon; strC1 := clSilver;
end
else
if Style = 'Ocean' then
begin
BackC := $00FFFF80; FontC := clBlack;
C1 := clMaroon; C2 := clBlack; C3 := clBlue;
strC := clTeal; strC1 := clBlack;
end
else
if Style = 'Classic' then
begin
BackC := clNavy; FontC := clYellow;
C1 := clLime; C2 := clSilver; C3 := clWhite;
strC := clAqua; strC1 := clSilver;
end
else
begin
with RichE do
begin
T := '{'+Style+' = Invalid Style [Default,Classic,Twilight,Ocean] ONLY! }';
Lines.Insert(0,T);
StartPos := 0;
ToEnd := Length(Text) - StartPos;
FoundAt := FindText(T, StartPos, ToEnd, [stWholeWord]);
SelStart := FoundAt;
SelLength := Length(T);
SelAttributes.Color := clRed;
SelAttributes.Style := [fsBold];
StartPos := 0;
ToEnd := Length(Text) - StartPos;
FoundAt := FindText('ONLY!', StartPos, ToEnd, [stWholeWord]);
SelStart := FoundAt;
SelLength := 4;
SelAttributes.Color := clRed;
SelAttributes.Style := [fsBold,fsUnderLine];
end;
end; RichE.SelectAll;
RichE.color := BackC;
RichE.SelAttributes.color := FontC; for i := 0 to 100 do
begin
with RichE do
begin
StartPos := 0;
ToEnd := Length(Text) - StartPos;
FoundAt := FindText(IntToStr(i), StartPos, ToEnd, [stWholeWord]);
while (FoundAt <> -1) do
begin
SelStart := FoundAt;
SelLength := Length(IntToStr(i));
SelAttributes.Color := C1;
SelAttributes.Style := [];
StartPos := FoundAt + Length(IntToStr(i));
FoundAt := FindText(IntToStr(i), StartPos, ToEnd, [stWholeWord]);
end;
end;
end;
for i := 0 to 20 do
begin
with RichE do
begin
StartPos := 0;
ToEnd := Length(Text) - StartPos;
FoundAt := FindText(CodeC1[i], StartPos, ToEnd, []);
while (FoundAt <> -1) do
begin
SelStart := FoundAt;
SelLength := Length(CodeC1[i]);
SelAttributes.Color := C2;
StartPos := FoundAt + Length(CodeC1[i]);
FoundAt := FindText(CodeC1[i], StartPos, ToEnd, []);
end;
end;
end;
for i := 0 to 44 do
begin
with RichE do
begin
StartPos := 0;
ToEnd := Length(Text) - StartPos;
FoundAt := FindText(CodeC2[i], StartPos, ToEnd, [stWholeWord]);
while (FoundAt <> -1) do
begin
SelStart := FoundAt;
SelLength := Length(CodeC2[i]);
SelAttributes.Color := C3;
SelAttributes.Style := [fsBold];
StartPos := FoundAt + Length(CodeC2[i]);
FoundAt := FindText(CodeC2[i], StartPos, ToEnd, [stWholeWord]);
end;
end;
end;
Startpos := 0;
with RichE do
begin
FoundAt := FindText('''', StartPos, Length(Text), []);
while FoundAt <> -1 do
begin
SelStart := FoundAt;
Startpos := FoundAt+1;
FoundAt := FindText('''', StartPos, Length(Text), []);
if FoundAt <> -1 then
begin
SelLength := (FoundAt - selstart)+1;
SelAttributes.Style := [];
SelAttributes.Color := strC;
StartPos := FoundAt+1;
FoundAt := FindText('''', StartPos, Length(Text), []);
end;
end;
end; Startpos := 0;
with RichE do
begin
FoundAt := FindText('{', StartPos, Length(Text), []);
while FoundAt <> -1 do
begin
SelStart := FoundAt;
Startpos := FoundAt+1;
FoundAt := FindText('}', StartPos, Length(Text), []);
if FoundAt <> -1 then
begin
SelLength := (FoundAt - selstart)+1;
SelAttributes.Style := [];
SelAttributes.Color := strC1;
StartPos := FoundAt+1;
FoundAt := FindText('{', StartPos, Length(Text), []);
end;
end;
end; if InVisible then
begin
RichE.Visible := True;
Form.Caption := OldCap;
end;
RichE.SelStart := 0;
end;