kjs/string_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 STRING_OBJECT_H_
  23 #define STRING_OBJECT_H_
  24
  25 #include "function_object.h"
  26 #include "JSWrapperObject.h"
  27
  28 namespace KJS {
  29
  30   class StringInstance : public JSWrapperObject {
  31   public:
  32     StringInstance(JSObject *proto);
  33     StringInstance(JSObject *proto, const UString &string);
  34
  35     virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&);
  36     virtual void put(ExecState* exec, const Identifier& propertyName, JSValue* value, int attr = None);
  37     virtual bool deleteProperty(ExecState* exec, const Identifier& propertyName);
  38     virtual void getPropertyNames(ExecState*, PropertyNameArray&);
  39
  40     virtual const ClassInfo *classInfo() const { return &info; }
  41     static const ClassInfo info;
  42   private:
  43     static JSValue *lengthGetter(ExecState *exec, JSObject *, const Identifier&, const PropertySlot &slot);
  44     static JSValue *indexGetter(ExecState *exec, JSObject *, const Identifier&, const PropertySlot &slot);
  45   };
  46
  47   /**
  48    * @internal
  49    *
  50    * The initial value of String.prototype (and thus all objects created
  51    * with the String constructor
  52    */
  53   class StringPrototype : public StringInstance {
  54   public:
  55     StringPrototype(ExecState *exec,
  56                        ObjectPrototype *objProto);
  57     virtual bool getOwnPropertySlot(ExecState *, const Identifier&, PropertySlot&);
  58     virtual const ClassInfo *classInfo() const { return &info; }
  59     static const ClassInfo info;
  60   };
  61
  62   /**
  63    * @internal
  64    *
  65    * Class to implement all methods that are properties of the
  66    * String.prototype object
  67    */
  68   class StringProtoFunc : public InternalFunctionImp {
  69   public:
  70     StringProtoFunc(ExecState *exec, int i, int len, const Identifier&);
  71
  72     virtual JSValue *callAsFunction(ExecState *exec, JSObject *thisObj, const List &args);
  73
  74     enum { ToString, ValueOf, CharAt, CharCodeAt, Concat, IndexOf, LastIndexOf,
  75            Match, Replace, Search, Slice, Split,
  76            Substr, Substring, FromCharCode, ToLowerCase, ToUpperCase,
  77            ToLocaleLowerCase, ToLocaleUpperCase, LocaleCompare
  78 #ifndef KJS_PURE_ECMA
  79            , Big, Small, Blink, Bold, Fixed, Italics, Strike, Sub, Sup,
  80            Fontcolor, Fontsize, Anchor, Link
  81 #endif
  82     };
  83
  84     static void setToLowerFunction(UnicodeSupport::StringConversionFunction f);
  85     static void setToUpperFunction(UnicodeSupport::StringConversionFunction f);
  86   private:
  87     int id;
  88   };
  89
  90   /**
  91    * @internal
  92    *
  93    * The initial value of the the global variable's "String" property
  94    */
  95   class StringObjectImp : public InternalFunctionImp {
  96   public:
  97     StringObjectImp(ExecState *exec,
  98                     FunctionPrototype *funcProto,
  99                     StringPrototype *stringProto);
 100
 101     virtual bool implementsConstruct() const;
 102     virtual JSObject *construct(ExecState *exec, const List &args);
 103     virtual JSValue *callAsFunction(ExecState *exec, JSObject *thisObj, const List &args);
 104   };
 105
 106   /**
 107    * @internal
 108    *
 109    * Class to implement all methods that are properties of the
 110    * String object
 111    */
 112   class StringObjectFuncImp : public InternalFunctionImp {
 113   public:
 114     StringObjectFuncImp(ExecState*, FunctionPrototype*, const Identifier&);
 115     virtual JSValue *callAsFunction(ExecState *exec, JSObject *thisObj, const List &args);
 116   };
 117
 118 } // namespace
 119
 120 #endif
 121