kjs/bool_object.h

   1 // -*- c-basic-offset: 2 -*-
   2 /*
   3  *  This file is part of the KDE libraries
   4  *  Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
   5  *
   6  *  This library is free software; you can redistribute it and/or
   7  *  modify it under the terms of the GNU Lesser General Public
   8  *  License as published by the Free Software Foundation; either
   9  *  version 2 of the License, or (at your option) any later version.
  10  *
  11  *  This library is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  *  Lesser General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU Lesser General Public
  17  *  License along with this library; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifndef BOOL_OBJECT_H_
  23 #define BOOL_OBJECT_H_
  24
  25 #include "internal.h"
  26 #include "function_object.h"
  27 #include "JSWrapperObject.h"
  28
  29 namespace KJS {
  30
  31   class BooleanInstance : public JSWrapperObject {
  32   public:
  33     BooleanInstance(JSObject *proto);
  34
  35     virtual const ClassInfo *classInfo() const { return &info; }
  36     static const ClassInfo info;
  37   };
  38
  39   /**
  40    * @internal
  41    *
  42    * The initial value of Boolean.prototype (and thus all objects created
  43    * with the Boolean constructor
  44    */
  45   class BooleanPrototype : public BooleanInstance {
  46   public:
  47     BooleanPrototype(ExecState *exec,
  48                         ObjectPrototype *objectProto,
  49                         FunctionPrototype *funcProto);
  50   };
  51
  52   /**
  53    * @internal
  54    *
  55    * Class to implement all methods that are properties of the
  56    * Boolean.prototype object
  57    */
  58   class BooleanProtoFunc : public InternalFunctionImp {
  59   public:
  60     BooleanProtoFunc(ExecState*, FunctionPrototype*, int i, int len, const Identifier&);
  61
  62     virtual JSValue *callAsFunction(ExecState *exec, JSObject *thisObj, const List &args);
  63
  64     enum { ToString, ValueOf };
  65   private:
  66     int id;
  67   };
  68
  69   /**
  70    * @internal
  71    *
  72    * The initial value of the the global variable's "Boolean" property
  73    */
  74   class BooleanObjectImp : public InternalFunctionImp {
  75     friend class BooleanProtoFunc;
  76   public:
  77     BooleanObjectImp(ExecState *exec, FunctionPrototype *funcProto,
  78                      BooleanPrototype *booleanProto);
  79
  80     virtual bool implementsConstruct() const;
  81     virtual JSObject *construct(ExecState *exec, const List &args);
  82
  83     virtual JSValue *callAsFunction(ExecState *exec, JSObject *thisObj, const List &args);
  84   };
  85
  86 } // namespace
  87
  88 #endif