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HeidiSQL/components/synedit/Source/SynHighlighterLDraw.pas
2021-03-16 20:12:46 +01:00

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{-------------------------------------------------------------------------------
The contents of this file are subject to the Mozilla Public License
Version 1.1 (the "License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.mozilla.org/MPL/
Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
the specific language governing rights and limitations under the License.
Code template generated with SynGen.
The original code is: SynHighlighterLDraw.pas, released 2003-04-12.
Description: LDraw Parser/Highlighter
The initial author of this file is Orion Pobursky.
Copyright (c) 2003, all rights reserved.
Unicode translation by Maël Hörz.
Contributors to the SynEdit and mwEdit projects are listed in the
Contributors.txt file.
Alternatively, the contents of this file may be used under the terms of the
GNU General Public License Version 2 or later (the "GPL"), in which case
the provisions of the GPL are applicable instead of those above.
If you wish to allow use of your version of this file only under the terms
of the GPL and not to allow others to use your version of this file
under the MPL, indicate your decision by deleting the provisions above and
replace them with the notice and other provisions required by the GPL.
If you do not delete the provisions above, a recipient may use your version
of this file under either the MPL or the GPL.
$Id: SynHighlighterLDraw.pas,v 1.7.2.7 2008/09/14 16:25:00 maelh Exp $
You may retrieve the latest version of this file at the SynEdit home page,
located at http://SynEdit.SourceForge.net
-------------------------------------------------------------------------------}
{
@abstract(Provides an LDraw syntax highlighter for SynEdit)
@author(Orion Pobursky)
@created(03/01/2003)
@lastmod(07/05/2003)
The SynHighlighterLDraw unit provides SynEdit with a LEGO LDraw (.ldr / .dat) highlighter.
}
unit SynHighlighterLDraw;
{$I SynEdit.inc}
interface
uses
Windows, Controls, Graphics,
SynEditHighlighter, SynEditTypes,
SynUnicode,
SysUtils,
Classes;
type
TtkTokenKind = (
tkColor,
tkComment,
tkFirstTri,
tkFourthTri,
tkIdentifier,
tkKey,
tkLine,
tkNull,
tkOpLine,
tkQuad,
tkSecondTri,
tkThirdTri,
tkTriangle,
tkUnknown);
TRangeState = (rsUnknown);
PIdentFuncTableFunc = ^TIdentFuncTableFunc;
TIdentFuncTableFunc = function (Index: Integer): TtkTokenKind of object;
type
TSynLDRSyn = class(TSynCustomHighlighter)
private
FRange: TRangeState;
FTokenID: TtkTokenKind;
FIdentFuncTable: array[0..1] of TIdentFuncTableFunc;
FColorAttri: TSynHighlighterAttributes;
FCommentAttri: TSynHighlighterAttributes;
FFirstTriAttri: TSynHighlighterAttributes;
FFourthTriAttri: TSynHighlighterAttributes;
FIdentifierAttri: TSynHighlighterAttributes;
FKeyAttri: TSynHighlighterAttributes;
FLineAttri: TSynHighlighterAttributes;
FOpLineAttri: TSynHighlighterAttributes;
FQuadAttri: TSynHighlighterAttributes;
FSecondTriAttri: TSynHighlighterAttributes;
FThirdTriAttri: TSynHighlighterAttributes;
FTriangleAttri: TSynHighlighterAttributes;
function AltFunc(Index: Integer): TtkTokenKind;
function FuncAuthor(Index: Integer): TtkTokenKind;
function HashKey(Str: PWideChar): Cardinal;
function IdentKind(MayBe: PWideChar): TtkTokenKind;
procedure InitIdent;
procedure IdentProc;
procedure Number1Proc;
procedure UnknownProc;
procedure NullProc;
procedure CRProc;
procedure LFProc;
function FirstChar(DatLine: PWideChar): WideChar;
protected
function GetSampleSource: UnicodeString; override;
function IsFilterStored: Boolean; override;
public
constructor Create(AOwner: TComponent); override;
class function GetLanguageName: string; override;
class function GetFriendlyLanguageName: UnicodeString; override;
function GetRange: Pointer; override;
procedure ResetRange; override;
procedure SetRange(Value: Pointer); override;
function GetDefaultAttribute(Index: Integer): TSynHighlighterAttributes; override;
function GetEol: Boolean; override;
function GetKeyWords(TokenKind: Integer): UnicodeString; override;
function GetTokenID: TtkTokenKind;
function GetTokenAttribute: TSynHighlighterAttributes; override;
function GetTokenKind: Integer; override;
function IsIdentChar(AChar: WideChar): Boolean; override;
procedure Next; override;
published
property ColorAttri: TSynHighlighterAttributes read FColorAttri write FColorAttri;
property CommentAttri: TSynHighlighterAttributes read FCommentAttri write FCommentAttri;
property FirstTriAttri: TSynHighlighterAttributes read FFirstTriAttri write FFirstTriAttri;
property FourthTriAttri: TSynHighlighterAttributes read FFourthTriAttri write FFourthTriAttri;
property IdentifierAttri: TSynHighlighterAttributes read FIdentifierAttri write FIdentifierAttri;
property KeyAttri: TSynHighlighterAttributes read FKeyAttri write FKeyAttri;
property LineAttri: TSynHighlighterAttributes read FLineAttri write FLineAttri;
property OpLineAttri: TSynHighlighterAttributes read FOpLineAttri write FOpLineAttri;
property QuadAttri: TSynHighlighterAttributes read FQuadAttri write FQuadAttri;
property SecondTriAttri: TSynHighlighterAttributes read FSecondTriAttri write FSecondTriAttri;
property ThirdTriAttri: TSynHighlighterAttributes read FThirdTriAttri write FThirdTriAttri;
property TriangleAttri: TSynHighlighterAttributes read FTriangleAttri write FTriangleAttri;
end;
implementation
uses
SynEditStrConst;
const
KeyWords: array[0..0] of UnicodeString = (
'author'
);
KeyIndices: array[0..1] of Integer = (
-1, 0
);
{$Q-}
function TSynLDRSyn.HashKey(Str: PWideChar): Cardinal;
begin
Result := 0;
while IsIdentChar(Str^) do
begin
Result := Result + Ord(Str^);
Inc(Str);
end;
Result := Result mod 2;
FStringLen := Str - FToIdent;
end;
{$Q+}
function TSynLDRSyn.IdentKind(MayBe: PWideChar): TtkTokenKind;
var
Key: Cardinal;
begin
FToIdent := MayBe;
Key := HashKey(MayBe);
if Key <= High(FIdentFuncTable) then
Result := FIdentFuncTable[Key](KeyIndices[Key])
else
Result := tkIdentifier;
end;
procedure TSynLDRSyn.InitIdent;
var
i: Integer;
begin
for i := Low(FIdentFuncTable) to High(FIdentFuncTable) do
if KeyIndices[i] = -1 then
FIdentFuncTable[i] := AltFunc;
FIdentFuncTable[1] := FuncAuthor;
end;
function TSynLDRSyn.AltFunc(Index: Integer): TtkTokenKind;
begin
Result := tkIdentifier;
end;
function TSynLDRSyn.FuncAuthor(Index: Integer): TtkTokenKind;
begin
if IsCurrentToken(KeyWords[Index]) then
Result := tkKey
else
Result := tkIdentifier;
end;
procedure TSynLDRSyn.NullProc;
begin
FTokenID := tkNull;
Inc(Run);
end;
procedure TSynLDRSyn.CRProc;
begin
FTokenID := tkUnknown;
Inc(Run);
if FLine[Run] = #10 then
Inc(Run);
end;
procedure TSynLDRSyn.LFProc;
begin
FTokenID := tkUnknown;
Inc(Run);
end;
constructor TSynLDRSyn.Create(AOwner: TComponent);
begin
inherited Create(AOwner);
FColorAttri := TSynHighLighterAttributes.Create(SYNS_AttrColor, SYNS_FriendlyAttrColor);
FColorAttri.Foreground := clNavy;
AddAttribute(FColorAttri);
FCommentAttri := TSynHighLighterAttributes.Create(SYNS_AttrComment, SYNS_FriendlyAttrComment);
FCommentAttri.Foreground := clBlue;
AddAttribute(FCommentAttri);
FFirstTriAttri := TSynHighLighterAttributes.Create(SYNS_AttrFirstTri, SYNS_FriendlyAttrFirstTri);
FFirstTriAttri.Foreground := RGB(206,111,73);
AddAttribute(FFirstTriAttri);
FFourthTriAttri := TSynHighLighterAttributes.Create(SYNS_AttrFourthTri, SYNS_FriendlyAttrFourthTri);
FFourthTriAttri.Foreground := RGB(54,99,12);
AddAttribute(FFourthTriAttri);
FIdentifierAttri := TSynHighLighterAttributes.Create(SYNS_AttrIdentifier, SYNS_FriendlyAttrIdentifier);
AddAttribute(FIdentifierAttri);
FKeyAttri := TSynHighLighterAttributes.Create(SYNS_AttrReservedWord, SYNS_FriendlyAttrReservedWord);
FKeyAttri.Style := [fsBold];
AddAttribute(FKeyAttri);
FLineAttri := TSynHighLighterAttributes.Create(SYNS_AttrLine, SYNS_FriendlyAttrLine);
FLineAttri.Foreground := clBlack;
AddAttribute(FLineAttri);
FOpLineAttri := TSynHighLighterAttributes.Create(SYNS_AttrOpLine, SYNS_FriendlyAttrOpLine);
FOpLineAttri.Foreground := clBlack;
AddAttribute(FOpLineAttri);
FQuadAttri := TSynHighLighterAttributes.Create(SYNS_AttrQuad, SYNS_FriendlyAttrQuad);
FQuadAttri.Foreground := clRed;
AddAttribute(FQuadAttri);
FSecondTriAttri := TSynHighLighterAttributes.Create(SYNS_AttrSecondTri, SYNS_FriendlyAttrSecondTri);
FSecondTriAttri.Foreground := RGB(54,99,12);
AddAttribute(FSecondTriAttri);
FThirdTriAttri := TSynHighLighterAttributes.Create(SYNS_AttrThirdTri, SYNS_FriendlyAttrThirdTri);
FThirdTriAttri.Foreground := RGB(206,111,73);
AddAttribute(FThirdTriAttri);
FTriangleAttri := TSynHighLighterAttributes.Create(SYNS_AttrTriangle, SYNS_FriendlyAttrTriangle);
FTriangleAttri.Foreground := clBlack;
AddAttribute(FTriangleAttri);
SetAttributesOnChange(DefHighlightChange);
InitIdent;
FDefaultFilter := SYNS_FilterLDraw;
FRange := rsUnknown;
end;
function TSynLDRSyn.FirstChar(DatLine: PWideChar): WideChar;
var
i: Integer;
begin
i := 0;
while DatLine[i] = ' ' do Inc(i);
Result := DatLine[i];
end;
procedure TSynLDRSyn.IdentProc;
begin
if FirstChar(FLine) = '0' then
begin
FTokenID := tkComment;
while (FLine[Run] <> #10) and (FLine[Run] <> #13)
and (FLine[Run] <> #0) do Inc(Run);
end
else
begin
FTokenID := IdentKind((FLine + Run));
Inc(Run, FStringLen);
while IsIdentChar(FLine[Run]) do
Inc(Run);
end;
end;
procedure TSynLDRSyn.Number1Proc;
function ArgNumber(DatLine: PWideChar): Byte;
var
i: Integer;
b: Boolean;
begin
i := 0;
Result := 0;
b := False;
while i <= Run do
begin
if DatLine[i] = ' ' then
begin
Inc(i);
b := False;
end
else
begin
if not b then Inc(Result);
b := True;
Inc(i)
end;
end;
end;
begin
case ArgNumber(FLine) of
1: begin
case FLine[Run] of
'0': FTokenID := tkComment;
'1': FTokenID := tkIdentifier;
'2': FTokenID := tkLine;
'3': FTokenID := tkTriangle;
'4': FTokenID := tkQuad;
'5': FTokenID := tkOpLine;
end;
end;
2: if FirstChar(FLine) <> '0' then FTokenID := tkColor
else FTokenID := tkComment;
3..5: if FirstChar(FLine) <> '0' then FTokenID := tkFirstTri
else FTokenID := tkComment;
6..8: if FirstChar(FLine) <> '0' then FTokenID := tkSecondTri
else FTokenID := tkComment;
9..11: if FirstChar(FLine) <> '0' then FTokenID := tkThirdTri
else FTokenID := tkComment;
12..14: if FirstChar(FLine) <> '0' then FTokenID := tkFourthTri
else FTokenID := tkComment;
else
FTokenID := tkIdentifier;
end;
while CharInSet(FLine[Run], ['0'..'9', '.']) do Inc(Run);
end;
procedure TSynLDRSyn.UnknownProc;
begin
Inc(Run);
FTokenID := tkUnknown;
end;
procedure TSynLDRSyn.Next;
begin
FTokenPos := Run;
case FLine[Run] of
#0: NullProc;
#10: LFProc;
#13: CRProc;
'A'..'Z', 'a'..'z', '_': IdentProc;
'0'..'9': Number1Proc;
else UnknownProc;
end;
inherited;
end;
function TSynLDRSyn.GetDefaultAttribute(Index: Integer): TSynHighLighterAttributes;
begin
case Index of
SYN_ATTR_COMMENT: Result := FCommentAttri;
SYN_ATTR_IDENTIFIER: Result := FIdentifierAttri;
SYN_ATTR_KEYWORD: Result := FKeyAttri;
else
Result := nil;
end;
end;
function TSynLDRSyn.GetEol: Boolean;
begin
Result := Run = FLineLen + 1;
end;
function TSynLDRSyn.GetKeyWords(TokenKind: Integer): UnicodeString;
begin
Result := 'Author';
end;
function TSynLDRSyn.GetTokenID: TtkTokenKind;
begin
Result := FTokenID;
end;
function TSynLDRSyn.GetTokenAttribute: TSynHighLighterAttributes;
begin
case GetTokenID of
tkColor: Result := FColorAttri;
tkComment: Result := FCommentAttri;
tkFirstTri: Result := FFirstTriAttri;
tkFourthTri: Result := FFourthTriAttri;
tkIdentifier: Result := FIdentifierAttri;
tkKey: Result := FKeyAttri;
tkLine: Result := FLineAttri;
tkOpLine: Result := FOpLineAttri;
tkQuad: Result := FQuadAttri;
tkSecondTri: Result := FSecondTriAttri;
tkThirdTri: Result := FThirdTriAttri;
tkTriangle: Result := FTriangleAttri;
tkUnknown: Result := FIdentifierAttri;
else
Result := nil;
end;
end;
function TSynLDRSyn.GetTokenKind: Integer;
begin
Result := Ord(FTokenID);
end;
function TSynLDRSyn.GetSampleSource: UnicodeString;
begin
Result := #13#10 +
'Sample source for: '#13#10 +
'Ldraw Parser/Highlighter'#13#10 +
'0 Comment'#13#10 +
'1 16 0 0 0 1 0 0 0 1 0 0 0 1 stud.dat'#13#10 +
'2 16 0 0 0 1 1 1'#13#10 +
'3 16 0 0 0 1 1 1 2 2 2'#13#10 +
'4 16 0 0 0 1 1 1 2 2 2 3 3 3'#13#10 +
'5 16 0 0 0 1 1 1 2 2 2 3 3 3';
end;
function TSynLDRSyn.IsFilterStored: Boolean;
begin
Result := FDefaultFilter <> SYNS_FilterLDraw;
end;
function TSynLDRSyn.IsIdentChar(AChar: WideChar): Boolean;
begin
case AChar of
'_', 'A'..'Z', 'a'..'z':
Result := True;
else
Result := False;
end;
end;
class function TSynLDRSyn.GetLanguageName: string;
begin
Result := SYNS_LangLDraw;
end;
procedure TSynLDRSyn.ResetRange;
begin
FRange := rsUnknown;
end;
procedure TSynLDRSyn.SetRange(Value: Pointer);
begin
FRange := TRangeState(Value);
end;
function TSynLDRSyn.GetRange: Pointer;
begin
Result := Pointer(FRange);
end;
class function TSynLDRSyn.GetFriendlyLanguageName: UnicodeString;
begin
Result := SYNS_FriendlyLangLDraw;
end;
initialization
{$IFNDEF SYN_CPPB_1}
RegisterPlaceableHighlighter(TSynLDRSyn);
{$ENDIF}
end.