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 #include "internal.h"
  28 #include "lookup.h"
  29
  30 namespace KJS {
  31
  32   class StringInstance : public JSWrapperObject {
  33   public:
  34     StringInstance(JSObject *proto);
  35     StringInstance(JSObject *proto, StringImp*);
  36     StringInstance(JSObject *proto, const UString&);
  37
  38     virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&);
  39     virtual bool getOwnPropertySlot(ExecState*, unsigned propertyName, PropertySlot&);
  40
  41     virtual void put(ExecState* exec, const Identifier& propertyName, JSValue*, int attr = None);
  42     virtual bool deleteProperty(ExecState* exec, const Identifier& propertyName);
  43     virtual void getPropertyNames(ExecState*, PropertyNameArray&);
  44
  45     virtual const ClassInfo *classInfo() const { return &info; }
  46     static const ClassInfo info;
  47
  48     StringImp* internalValue() const { return static_cast<StringImp*>(JSWrapperObject::internalValue());}
  49
  50   private:
  51     bool inlineGetOwnPropertySlot(ExecState*, unsigned, PropertySlot&);
  52
  53     static JSValue* lengthGetter(ExecState*, JSObject *, const Identifier&, const PropertySlot&);
  54     static JSValue* indexGetter(ExecState*, JSObject *, const Identifier&, const PropertySlot&);
  55   };
  56
  57   // WebCore uses this to make style.filter undetectable
  58   class StringInstanceThatMasqueradesAsUndefined : public StringInstance {
  59   public:
  60       StringInstanceThatMasqueradesAsUndefined(JSObject* proto, const UString& string)
  61           : StringInstance(proto, string) { }
  62       virtual bool masqueradeAsUndefined() const { return true; }
  63       virtual bool toBoolean(ExecState*) const { return false; }
  64   };
  65
  66   /**
  67    * @internal
  68    *
  69    * The initial value of String.prototype (and thus all objects created
  70    * with the String constructor
  71    */
  72   class StringPrototype : public StringInstance {
  73   public:
  74     StringPrototype(ExecState *exec,
  75                        ObjectPrototype *objProto);
  76     virtual bool getOwnPropertySlot(ExecState *, const Identifier&, PropertySlot&);
  77     virtual const ClassInfo *classInfo() const { return &info; }
  78     static const ClassInfo info;
  79   };
  80
  81   /**
  82    * @internal
  83    *
  84    * Functions to implement all methods that are properties of the
  85    * String.prototype object
  86    */
  87
  88   JSValue* stringProtoFuncToString(ExecState*, JSObject*, const List&);
  89   JSValue* stringProtoFuncValueOf(ExecState*, JSObject*, const List&);
  90   JSValue* stringProtoFuncCharAt(ExecState*, JSObject*, const List&);
  91   JSValue* stringProtoFuncCharCodeAt(ExecState*, JSObject*, const List&);
  92   JSValue* stringProtoFuncConcat(ExecState*, JSObject*, const List&);
  93   JSValue* stringProtoFuncIndexOf(ExecState*, JSObject*, const List&);
  94   JSValue* stringProtoFuncLastIndexOf(ExecState*, JSObject*, const List&);
  95   JSValue* stringProtoFuncMatch(ExecState*, JSObject*, const List&);
  96   JSValue* stringProtoFuncReplace(ExecState*, JSObject*, const List&);
  97   JSValue* stringProtoFuncSearch(ExecState*, JSObject*, const List&);
  98   JSValue* stringProtoFuncSlice(ExecState*, JSObject*, const List&);
  99   JSValue* stringProtoFuncSplit(ExecState*, JSObject*, const List&);
 100   JSValue* stringProtoFuncSubstr(ExecState*, JSObject*, const List&);
 101   JSValue* stringProtoFuncSubstring(ExecState*, JSObject*, const List&);
 102   JSValue* stringProtoFuncToLowerCase(ExecState*, JSObject*, const List&);
 103   JSValue* stringProtoFuncToUpperCase(ExecState*, JSObject*, const List&);
 104   JSValue* stringProtoFuncToLocaleLowerCase(ExecState*, JSObject*, const List&);
 105   JSValue* stringProtoFuncToLocaleUpperCase(ExecState*, JSObject*, const List&);
 106   JSValue* stringProtoFuncLocaleCompare(ExecState*, JSObject*, const List&);
 107
 108   JSValue* stringProtoFuncBig(ExecState*, JSObject*, const List&);
 109   JSValue* stringProtoFuncSmall(ExecState*, JSObject*, const List&);
 110   JSValue* stringProtoFuncBlink(ExecState*, JSObject*, const List&);
 111   JSValue* stringProtoFuncBold(ExecState*, JSObject*, const List&);
 112   JSValue* stringProtoFuncFixed(ExecState*, JSObject*, const List&);
 113   JSValue* stringProtoFuncItalics(ExecState*, JSObject*, const List&);
 114   JSValue* stringProtoFuncStrike(ExecState*, JSObject*, const List&);
 115   JSValue* stringProtoFuncSub(ExecState*, JSObject*, const List&);
 116   JSValue* stringProtoFuncSup(ExecState*, JSObject*, const List&);
 117   JSValue* stringProtoFuncFontcolor(ExecState*, JSObject*, const List&);
 118   JSValue* stringProtoFuncFontsize(ExecState*, JSObject*, const List&);
 119   JSValue* stringProtoFuncAnchor(ExecState*, JSObject*, const List&);
 120   JSValue* stringProtoFuncLink(ExecState*, JSObject*, const List&);
 121
 122   /**
 123    * @internal
 124    *
 125    * The initial value of the the global variable's "String" property
 126    */
 127   class StringObjectImp : public InternalFunctionImp {
 128   public:
 129     StringObjectImp(ExecState *exec,
 130                     FunctionPrototype *funcProto,
 131                     StringPrototype *stringProto);
 132
 133     virtual bool implementsConstruct() const;
 134     virtual JSObject *construct(ExecState *exec, const List &args);
 135     virtual JSValue *callAsFunction(ExecState *exec, JSObject *thisObj, const List &args);
 136   };
 137
 138   /**
 139    * @internal
 140    *
 141    * Class to implement all methods that are properties of the
 142    * String object
 143    */
 144   class StringObjectFuncImp : public InternalFunctionImp {
 145   public:
 146     StringObjectFuncImp(ExecState*, FunctionPrototype*, const Identifier&);
 147     virtual JSValue *callAsFunction(ExecState *exec, JSObject *thisObj, const List &args);
 148   };
 149
 150 } // namespace
 151
 152 #endif
 153