synhighlighterrc.pas

SynEditStudio delphi 代码编辑器

{-------------------------------------------------------------------------------
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.

The Original Code is: SynHighlighterRC.pas, released 2004-06-12.
The initial author of this file is Yiannis Mandravellos.
All Rights Reserved.

Contributors to the SynEdit project 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: SynHighlighterRC.pas,v 1.9 2005/12/31 07:34:36 skyweb Exp $

You may retrieve the latest version of SynEdit from the SynEdit home page,
located at http://SynEdit.SourceForge.net

-------------------------------------------------------------------------------}

{$IFNDEF QSYNHIGHLIGHTERRC}
unit SynHighlighterRC;
{$ENDIF}

{$I SynEdit.inc}

interface

uses
{$IFDEF SYN_CLX}
  QGraphics, 
  QSynEditTypes, 
  QSynEditHighlighter, 
{$ELSE}
  Windows, Controls, 
  Graphics, 
  SynEditTypes, 
  SynEditHighlighter, 
{$ENDIF}
  SysUtils,
  Classes;

type
 TtkTokenKind = (tkComment, tkDirective, tkIdentifier, tkKey, tkNull,
                 tkNumber, tkSpace, tkString, tkSymbol, tkUnknown);

 TRangeState = (rsUnknown, rsDirective, rsComment);

 TProcTableProc = procedure of object;

 PIdentFuncTableFunc = ^TIdentFuncTableFunc;
 TIdentFuncTableFunc = function: TtkTokenKind of object;

 TSynRCSyn = class(TSynCustomHighlighter)
  private
   fRange: TRangeState;
   fLine: PChar;
   fProcTable: array[#0..#255] of TProcTableProc;
   Run: LongInt;
   fStringLen: integer;
   fToIdent: PChar;
   fTokenPos: integer;
   fTokenID: TtkTokenKind;
   fLineNumber: integer;
   fIdentFuncTable: array[0..199] of TIdentFuncTableFunc;
   fCommentAttri: TSynHighlighterAttributes;
   fDirecAttri: TSynHighlighterAttributes;
   fIdentifierAttri: TSynHighlighterAttributes;
   fKeyAttri: TSynHighlighterAttributes;
   fNumberAttri: TSynHighlighterAttributes;
   fSpaceAttri: TSynHighlighterAttributes;
   fStringAttri: TSynHighlighterAttributes;
   fSymbolAttri: TSynHighlighterAttributes;
   function KeyHash(ToHash: PChar): integer;
   function KeyComp(const aKey: string): boolean;

   // number id functions
   function Func33: TtkTokenKind;
   function Func39: TtkTokenKind;
   function Func41: TtkTokenKind;
   function Func43: TtkTokenKind;
   function Func47: TtkTokenKind;
   function Func48: TtkTokenKind;
   function Func53: TtkTokenKind;
   function Func54: TtkTokenKind;
   function Func55: TtkTokenKind;
   function Func60: TtkTokenKind;
   function Func61: TtkTokenKind;
   function Func62: TtkTokenKind;
   function Func66: TtkTokenKind;
   function Func68: TtkTokenKind;
   function Func71: TtkTokenKind;
   function Func72: TtkTokenKind;
   function Func75: TtkTokenKind;
   function Func77: TtkTokenKind;
   function Func78: TtkTokenKind;
   function Func81: TtkTokenKind;
   function Func82: TtkTokenKind;
   function Func83: TtkTokenKind;
   function Func84: TtkTokenKind;
   function Func87: TtkTokenKind;
   function Func89: TtkTokenKind;
   function Func90: TtkTokenKind;
   function Func94: TtkTokenKind;
   function Func97: TtkTokenKind;
   function Func98: TtkTokenKind;
   function Func100: TtkTokenKind;
   function Func101: TtkTokenKind;
   function Func102: TtkTokenKind;
   function Func105: TtkTokenKind;
   function Func107: TtkTokenKind;
   function Func109: TtkTokenKind;
   function Func110: TtkTokenKind;
   function Func111: TtkTokenKind;
   function Func113: TtkTokenKind;
   function Func117: TtkTokenKind;
   function Func118: TtkTokenKind;
   function Func120: TtkTokenKind;
   function Func121: TtkTokenKind;
   function Func125: TtkTokenKind;
   function Func126: TtkTokenKind;
   function Func127: TtkTokenKind;
   function Func128: TtkTokenKind;
   function Func130: TtkTokenKind;
   function Func134: TtkTokenKind;
   function Func139: TtkTokenKind;
   function Func140: TtkTokenKind;
   function Func146: TtkTokenKind;
   function Func147: TtkTokenKind;
   function Func150: TtkTokenKind;
   function Func156: TtkTokenKind;
   function Func158: TtkTokenKind;
   function Func164: TtkTokenKind;
   function Func171: TtkTokenKind;
   function Func196: TtkTokenKind;
   function Func199: TtkTokenKind;

   // symbol functions
   procedure CommentProc;
   procedure CRProc;
   procedure DirectiveProc;
   procedure IdentProc;
   procedure LFProc;
   procedure NullProc;
   procedure NumberProc;
   procedure QuoteProc;
   procedure SlashProc;
   procedure SpaceProc;
   procedure SymbolProc;
   procedure UnknownProc;

   function AltFunc: TtkTokenKind;
   procedure InitIdent;
   function IdentKind(Maybe: PChar): TtkTokenKind;
   procedure MakeMethodTables;
  protected
   function GetIdentChars: TSynIdentChars; override;
   function GetSampleSource: string; override;
   function IsFilterStored: Boolean; override;
  public
   class function GetCapabilities: TSynHighlighterCapabilities; override;
   class function GetLanguageName: string; override;
  public
   constructor Create(aOwner: TComponent); override;
   destructor Destroy; override;
   function GetDefaultAttribute(index: integer): TSynHighlighterAttributes; override;
   function GetEol: boolean; override;
   function GetRange: pointer; override;
   function GetTokenID: TtkTokenKind;
   procedure SetLine(NewValue: string; LineNumber: integer); override;
   function GetToken: string; override;
   function GetTokenAttribute: TSynHighlighterAttributes; override;
   function GetTokenKind: integer; override;
   function GetTokenPos: integer; override;
   procedure Next; override;
   procedure SetRange(value: pointer); override;
   procedure ResetRange; override;
   function UseUserSettings(SettingIndex: integer): boolean; override;
   procedure EnumUserSettings(Settings: TStrings); override;
  published
   property CommentAttri: TSynHighlighterAttributes read fCommentAttri write fCommentAttri;
   property DirecAttri: TSynHighlighterAttributes read fDirecAttri write fDirecAttri;
   property IdentifierAttri: TSynHighlighterAttributes read fIdentifierAttri write fIdentifierAttri;
   property KeyAttri: TSynHighlighterAttributes read fKeyAttri write fKeyAttri;
   property NumberAttri: TSynHighlighterAttributes read fNumberAttri write fNumberAttri;
   property SpaceAttri: TSynHighlighterAttributes read fSpaceAttri write fSpaceAttri;
   property StringAttri: TSynHighlighterAttributes read fStringAttri write fStringAttri;
   property SymbolAttri: TSynHighlighterAttributes read fSymbolAttri write fSymbolAttri;
 end;

implementation

uses
{$IFDEF SYN_CLX}
  QSynEditStrConst;
{$ELSE}
  SynEditStrConst;
{$ENDIF}

const
 MAXNumFunc = 199; // ** don't forget to change

var
 Identifiers: array[#0..#255] of bytebool;
 mHashTable: array[#0..#255] of integer;

procedure MakeIdentTable;
var
 i, j: char;
begin
  for i:= #0 to #255 do
   begin
     case i of
      '_', '0'..'9', 'a'..'z','A','Z': identifiers[i]:= TRUE;
     else
      identifiers[i]:= FALSE;
     end;
     j:= UpCase(i);
     case i of
      '_', 'a'..'z', 'A'..'Z': mHashTable[i]:= ord(j) -64;
     else
      mHashTable[i]:= 0;
     end;
   end;
end;

{ TSynRCSyn }

procedure TSynRCSyn.InitIdent;
var
 i: integer;
 pF: PIdentFuncTableFunc;
begin
  pF:= PIdentFuncTableFunc(@fIdentFuncTable);
  for i:= low(fIdentFuncTable) to high(fIdentFuncTable) do
   begin
     pF^:= AltFunc;
     inc(pF);
   end;
  // number func set
  fIdentFuncTable[33]:= Func33;
  fIdentFuncTable[39]:= Func39;
  fIdentFuncTable[41]:= Func41;
  fIdentFuncTable[43]:= Func43;
  fIdentFuncTable[47]:= Func47;
  fIdentFuncTable[48]:= Func48;
  fIdentFuncTable[53]:= Func53;
  fIdentFuncTable[54]:= Func54;
  fIdentFuncTable[55]:= Func55;
  fIdentFuncTable[60]:= Func60;
  fIdentFuncTable[61]:= Func61;
  fIdentFuncTable[62]:= Func62;
  fIdentFuncTable[66]:= Func66;
  fIdentFuncTable[68]:= Func68;
  fIdentFuncTable[71]:= Func71;
  fIdentFuncTable[72]:= Func72;
  fIdentFuncTable[75]:= Func75;
  fIdentFuncTable[77]:= Func77;
  fIdentFuncTable[78]:= Func78;
  fIdentFuncTable[81]:= Func81;
  fIdentFuncTable[82]:= Func82;
  fIdentFuncTable[83]:= Func83;
  fIdentFuncTable[84]:= Func84;
  fIdentFuncTable[87]:= Func87;
  fIdentFuncTable[89]:= Func89;
  fIdentFuncTable[90]:= Func90;
  fIdentFuncTable[94]:= Func94;
  fIdentFuncTable[97]:= Func97;
  fIdentFuncTable[98]:= Func98;
  fIdentFuncTable[100]:= Func100;
  fIdentFuncTable[101]:= Func101;
  fIdentFuncTable[102]:= Func102;
  fIdentFuncTable[105]:= Func105;
  fIdentFuncTable[107]:= Func107;
  fIdentFuncTable[109]:= Func109;
  fIdentFuncTable[110]:= Func110;
  fIdentFuncTable[111]:= Func111;
  fIdentFuncTable[113]:= Func113;
  fIdentFuncTable[117]:= Func117;
  fIdentFuncTable[118]:= Func118;
  fIdentFuncTable[120]:= Func120;
  fIdentFuncTable[121]:= Func121;
  fIdentFuncTable[125]:= Func125;
  fIdentFuncTable[126]:= Func126;
  fIdentFuncTable[127]:= Func127;
  fIdentFuncTable[128]:= Func128;
  fIdentFuncTable[130]:= Func130;
  fIdentFuncTable[134]:= Func134;
  fIdentFuncTable[139]:= Func139;
  fIdentFuncTable[140]:= Func140;
  fIdentFuncTable[146]:= Func146;
  fIdentFuncTable[147]:= Func147;
  fIdentFuncTable[150]:= Func150;
  fIdentFuncTable[156]:= Func156;
  fIdentFuncTable[158]:= Func158;
  fIdentFuncTable[164]:= Func164;
  fIdentFuncTable[171]:= Func171;
  fIdentFuncTable[196]:= Func196;
  fIdentFuncTable[199]:= Func199;
end;

function TSynRCSyn.KeyComp(const aKey: string): boolean;
var
 i: integer;
 tmp: pchar;
begin
  tmp:= fToIdent;
  if length(aKey) = fStringLen then
   begin
     result:= TRUE;
     for i:= 1 to fStringLen do
      begin
        if tmp^ <> akey[i] then
         begin
           result:= FALSE;
           break;
         end;
        inc(tmp);
      end;
   end
  else
   result:= FALSE;
end;

function TSynRCSyn.KeyHash(ToHash: PChar): integer;
begin
  result:= 0;
  while ToHash^ in ['_', '0'..'9', 'a'..'z', 'A'..'Z'] do
   begin
     inc(Result, mHashTable[ToHash^]);
     inc(ToHash);
   end;
   fStringLen:= ToHash -fToIdent;
end;

function TSynRCSyn.AltFunc: TtkTokenKind;
begin
  result:= tkIdentifier;
end;

function TSynRCSyn.IdentKind(Maybe: PChar): TtkTokenKind;
var
 HashKey: integer;
begin
  fToIdent:= Maybe;
  HashKey:= KeyHash(maybe);
  if HashKey <= MAXNumFunc then
   result:= fIdentFuncTable[HashKey]
  else
   result:= tkIdentifier;
end;

constructor TSynRCSyn.Create(aOwner: TComponent);
begin
  inherited;
  fCommentAttri:= TSynHighlighterAttributes.Create(SYNS_AttrComment);
  AddAttribute(fCommentAttri);

  fDirecAttri:= TSynHighlighterAttributes.Create(SYNS_AttrPreprocessor);
  AddAttribute(fDirecAttri);

  fIdentifierAttri:= TSynHighlighterAttributes.Create(SYNS_AttrIdentifier);
  AddAttribute(fIdentifierAttri);

  fKeyAttri:= TSynHighlighterAttributes.Create(SYNS_AttrReservedWord);
  fKeyAttri.Style:= [fsBold];
  AddAttribute(fKeyAttri);

  fNumberAttri:= TSynHighlighterAttributes.Create(SYNS_AttrNumber);
  AddAttribute(fNumberAttri);

  fSpaceAttri:= TSynHighlighterAttributes.Create(SYNS_AttrSpace);
  AddAttribute(fSpaceAttri);

  fStringAttri:= TSynHighlighterAttributes.Create(SYNS_AttrString);
  AddAttribute(fStringAttri);

  fSymbolAttri:= TSynHighlighterAttributes.Create(SYNS_AttrSymbol);
  AddAttribute(fSymbolAttri);
  SetAttributesOnChange(DefHighlightChange);
  InitIdent;
  MakeMethodTables;
  fRange:= rsUnknown;
  fDefaultFilter:= SYNS_FilterRC;
end;

destructor TSynRCSyn.Destroy;
begin
  inherited;
end;

procedure TSynRCSyn.SetLine(NewValue: string; LineNumber: integer);
begin
  fLine:= PChar(NewValue);
  Run:= 0;
  fLineNumber:= LineNumber;
  Next;
end;

// ** insert symbol procs/num funcs

function TSynRCSyn.Func33: TtkTokenKind;
begin
  if KeyComp('ALT') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func39: TtkTokenKind;
begin
  if KeyComp('CHECKED') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func41: TtkTokenKind;
begin
  if KeyComp('ICON') then result:= tkKey
  else
   if KeyComp('ASCII') then result:= tkKey
   else
    if KeyComp('HELP') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func43: TtkTokenKind;
begin
  if KeyComp('BLOCK') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func47: TtkTokenKind;
begin
  if KeyComp('RCDATA') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func48: TtkTokenKind;
begin
  if KeyComp('DIALOG') then result:= tkKey
  else
   if KeyComp('FIXED') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func53: TtkTokenKind;
begin
  if KeyComp('MENU') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func54: TtkTokenKind;
begin
  if KeyComp('CLASS') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func55: TtkTokenKind;
begin
  if KeyComp('FONT') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func60: TtkTokenKind;
begin
  if KeyComp('PURE') then result:= tkKey
  else
   if KeyComp('GRAYED') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func61: TtkTokenKind;
begin
  if KeyComp('BITMAP') then result:= tkKey
  else
   if KeyComp('VALUE') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func62: TtkTokenKind;
begin
  if KeyComp('SHIFT') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func66: TtkTokenKind;
begin
  if KeyComp('FILEOS') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func68: TtkTokenKind;
begin
  if KeyComp('LANGUAGE') then result:= tkKey
  else
   if KeyComp('STATE3') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func71: TtkTokenKind;
begin
  if KeyComp('CHECKBOX') then result:= tkKey
  else
   if KeyComp('PRELOAD') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func72: TtkTokenKind;
begin
  if KeyComp('CTEXT') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func75: TtkTokenKind;
begin
  if KeyComp('MOVEABLE') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func77: TtkTokenKind;
begin
  if KeyComp('DIALOGEX') then result:= tkKey
  else
   if KeyComp('FILEFLAGS') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func78: TtkTokenKind;
begin
  if KeyComp('CAPTION') then result:= tkKey
  else
   if KeyComp('DISCARDABLE') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func81: TtkTokenKind;
begin
  if KeyComp('LTEXT') then result:= tkKey
  else
   if KeyComp('STYLE') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func82: TtkTokenKind;
begin
  if KeyComp('MENUEX') then result:= tkKey
  else
   if KeyComp('IMPURE') then result:= tkKey
  else
   result:= tkIdentifier;
end;

function TSynRCSyn.Func83: TtkTokenKind;
begin