C# JSObject.ToString方法代码示例

 private static string BestMessage(JSObject obj)
 {
     var err = obj as JSError;
     if (err != null)
         return err.Message;
     else
         return obj.ToString();
 }

 public static String charAt(JSObject self, Arguments pos)
 {
     var strValue = self.ToString();
     int p = Tools.JSObjectToInt32(pos[0], true);
     if ((p < 0) || (p >= strValue.Length))
         return "";
     return strValue[p].ToString();//Tools.charStrings[strValue[p]];
 }

 internal protected override JS.Core.JSObject GetMember(JSObject nameObj, bool create, bool own)
 {
     var name = nameObj.ToString();
     JS.Core.JSObject res = null;
     if (childs.TryGetValue(name, out res))
         return res;
     string reqname = Namespace + "." + name;
     var selection = types.StartedWith(reqname).GetEnumerator();
     if (selection.MoveNext())
     {
         if (unions != null && selection.Current.Key != reqname && selection.Current.Value.FullName[reqname.Length] == '`')
         {
             var ut = new GenericType(reqname);
             ut.Add(selection.Current.Value);
             while (selection.MoveNext())
                 if (selection.Current.Value.FullName[reqname.Length] == '`')
                 {
                     string fn = selection.Current.Value.FullName;
                     for (var i = fn.Length - 1; i > reqname.Length; i--)
                         if (!char.IsDigit(fn[i]))
                         {
                             fn = null;
                             break;
                         }
                     if (fn != null)
                         ut.Add(selection.Current.Value);
                 }
             res = TypeProxy.GetConstructor(ut);
             childs[name] = res;
             return res;
         }
         if (selection.Current.Key == reqname)
             return TypeProxy.GetConstructor(selection.Current.Value);
         res = TypeProxy.Proxy(new NamespaceProvider(reqname, unions != null));
         childs.Add(name, res);
         return res;
     }
     return new JS.Core.JSObject();
 }

 public static JSObject substr(JSObject self, Arguments args)
 {
     if (args.Length == 0)
         return self;
     int pos0 = 0;
     if (args.Length > 0)
     {
         switch (args[0].valueType)
         {
             case JSObjectType.Int:
             case JSObjectType.Bool:
                 {
                     pos0 = args[0].iValue;
                     break;
                 }
             case JSObjectType.Double:
                 {
                     pos0 = (int)args[0].dValue;
                     break;
                 }
             case JSObjectType.Object:
             case JSObjectType.Date:
             case JSObjectType.Function:
             case JSObjectType.String:
                 {
                     double d;
                     Tools.ParseNumber(args[0].ToString(), pos0, out d, Tools.ParseNumberOptions.Default);
                     pos0 = (int)d;
                     break;
                 }
         }
     }
     var selfs = self.ToString();
     int len = selfs.Length - pos0;
     if (args.Length > 1)
     {
         switch (args[1].valueType)
         {
             case JSObjectType.Int:
             case JSObjectType.Bool:
                 {
                     len = args[1].iValue;
                     break;
                 }
             case JSObjectType.Double:
                 {
                     len = (int)args[1].dValue;
                     break;
                 }
             case JSObjectType.Object:
             case JSObjectType.Date:
             case JSObjectType.Function:
             case JSObjectType.String:
                 {
                     double d;
                     Tools.ParseNumber(args[1].ToString(), len, out d, Tools.ParseNumberOptions.Default);
                     len = (int)d;
                     break;
                 }
         }
     }
     if (pos0 < 0)
         pos0 += selfs.Length;
     if (pos0 < 0)
         pos0 = 0;
     if (pos0 >= selfs.Length || len <= 0)
         return "";
     if (selfs.Length < pos0 + len)
         len = selfs.Length - pos0;
     return selfs.Substring(pos0, len);
 }

 private static string stringifyImpl(string key, JSObject obj, Function replacer, string space, List<JSObject> processed, Arguments args)
 {
     if (processed.IndexOf(obj) != -1)
         throw new JSException(new TypeError("Can not convert circular structure to JSON."));
     processed.Add(obj);
     try
     {
         {
             if (replacer != null)
             {
                 args[0] = "";
                 args[0].oValue = key;
                 args[1] = obj;
                 args.length = 2;
                 var t = replacer.Invoke(args);
                 if (t.valueType <= JSObjectType.Undefined || (t.valueType >= JSObjectType.Object && t.oValue == null))
                     return null;
                 obj = t;
             }
         }
         if (obj.valueType <= JSObjectType.Undefined
             || obj.valueType == JSObjectType.Function)
             return null;
         obj = obj.Value as JSObject ?? obj;
         StringBuilder res = null;
         string strval = null;
         if (obj.valueType < JSObjectType.Object)
         {
             if (obj.valueType == JSObjectType.String)
             {
                 res = new StringBuilder("\"");
                 strval = obj.ToString();
                 for (var i = 0; i < strval.Length ; i++)
                     escapeIfNeed(res, strval[i]);
                 res.Append('"');
                 return res.ToString();
             }
             return obj.ToString();
         }
         if (obj.Value == null)
             return "null";
         var toJSONmemb = obj["toJSON"];
         toJSONmemb = toJSONmemb.Value as JSObject ?? toJSONmemb;
         if (toJSONmemb.valueType == JSObjectType.Function)
             return stringifyImpl("", (toJSONmemb.oValue as Function).Invoke(obj, null), null, space, processed, null);
         res = new StringBuilder(obj is Array ? "[" : "{");
         bool first = true;
         foreach (var member in obj)
         {
             var value = obj[member];
             value = value.Value as JSObject ?? value;
             if (value.valueType < JSObjectType.Undefined)
                 continue;
             if (value.valueType == JSObjectType.Property)
                 value = ((value.oValue as PropertyPair).get ?? Function.emptyFunction).Invoke(obj, null);
             strval = stringifyImpl(member, value, replacer, space, processed, args);
             if (strval == null)
                 continue;
             if (!first)
                 res.Append(",");
             if (space != null)
                 res.Append(Environment.NewLine);
             if (space != null)
                 res.Append(space);
             if (res[0] == '[')
             {
                 if (space != null)
                     res.Append(space);
                 /*
                 for (var i = 0; i < strval.Length; i++)
                 {
                     escapeIfNeed(res, strval[i]);
                 }
                 */
                 res.Append(strval);
             }
             else
             {
                 res.Append('"');
                 for (var i = 0; i < member.Length; i++)
                 {
                     escapeIfNeed(res, member[i]);
                 }
                 res.Append("\":")
                    .Append(space ?? "");
                 /*
                 if (strval.Length > 0 && strval[0] == '"')
                 {
                     res.Append(strval[0]);
                     for (var i = 1; i < strval.Length - 1; i++)
                     {
                         escapeIfNeed(res, strval[i]);
                     }
                     if (strval.Length > 1)
                         res.Append(strval[strval.Length - 1]);
                 }
                 else
                 */
                 {
                     for (var i = 0; i < strval.Length; i++)
//.........这里部分代码省略.........

 public static JSObject toString(JSObject self, Arguments radix)
 {
     var ovt = self.valueType;
     if (self.valueType > JSObjectType.Double && self.GetType() == typeof(Number))
         self.valueType = self.dValue == 0.0 ? JSObjectType.Int : JSObjectType.Double;
     try
     {
         if (self.valueType != JSObjectType.Int && self.valueType != JSObjectType.Double)
             throw new JSException((new TypeError("Try to call Number.toString on not Number object")));
         int r = 10;
         if (radix != null && radix.GetMember("length").iValue > 0)
         {
             var ar = radix[0];
             if (ar.valueType == JSObjectType.Object && ar.oValue == null)
                 throw new JSException((new Error("Radix can't be null.")));
             switch (ar.valueType)
             {
                 case JSObjectType.Int:
                 case JSObjectType.Bool:
                     {
                         r = ar.iValue;
                         break;
                     }
                 case JSObjectType.Double:
                     {
                         r = (int)ar.dValue;
                         break;
                     }
                 case JSObjectType.NotExistsInObject:
                 case JSObjectType.Undefined:
                     {
                         r = 10;
                         break;
                     }
                 default:
                     {
                         r = Tools.JSObjectToInt32(ar);
                         break;
                     }
             }
         }
         if (r < 2 || r > 36)
             throw new JSException((new TypeError("Radix must be between 2 and 36.")));
         if (r == 10)
             return self.ToString();
         else
         {
             long res = self.iValue;
             var sres = new StringBuilder();
             bool neg;
             if (self.valueType == JSObjectType.Double)
             {
                 if (double.IsNaN(self.dValue))
                     return "NaN";
                 if (double.IsPositiveInfinity(self.dValue))
                     return "Infinity";
                 if (double.IsNegativeInfinity(self.dValue))
                     return "-Infinity";
                 res = (long)self.dValue;
                 if (res != self.dValue) // your bunny wrote
                 {
                     double dtemp = self.dValue;
                     neg = dtemp < 0;
                     if (neg)
                         dtemp = -dtemp;
                     sres.Append(Tools.NumChars[(int)(dtemp % r)]);
                     res /= r;
                     while (dtemp >= 1.0)
                     {
                         sres.Append(Tools.NumChars[(int)(dtemp % r)]);
                         dtemp /= r;
                     }
                     if (neg)
                         sres.Append('-');
                     for (int i = sres.Length - 1, j = 0; i > j; j++, i--)
                     {
                         sres[i] ^= sres[j];
                         sres[j] ^= sres[i];
                         sres[i] ^= sres[j];
                         sres[i] += (char)((sres[i] / 'A') * ('a' - 'A'));
                         sres[j] += (char)((sres[j] / 'A') * ('a' - 'A'));
                     }
                     return sres.ToString();
                 }
             }
             neg = res < 0;
             if (neg)
                 res = -res;
             if (res < 0)
                 throw new JSException(new Error("Internal error"));
             sres.Append(Tools.NumChars[res % r]);
             res /= r;
             while (res != 0)
             {
                 sres.Append(Tools.NumChars[res % r]);
                 res /= r;
             }
             if (neg)
                 sres.Append('-');
             for (int i = sres.Length - 1, j = 0; i > j; j++, i--)
//.........这里部分代码省略.........

 internal protected override JSObject GetMember(JSObject name, bool forWrite, bool own)
 {
     int index = 0;
     double dindex = Tools.JSObjectToDouble(name);
     if (!double.IsInfinity(dindex)
         && !double.IsNaN(dindex)
         && ((index = (int)dindex) == dindex)
         && ((index = (int)dindex) == dindex)
         && index < (oValue.ToString()).Length
         && index >= 0)
     {
         return this[index];
     }
     var namestr = name.ToString();
     if (namestr == "length")
         return length;
     return DefaultFieldGetter(name, forWrite, own); // обращение идёт к Объекту String, а не к значению string, поэтому члены создавать можно
 }

 public static JSObject valueOf(JSObject self)
 {
     if ((self as object) is String && self.valueType == JSObjectType.Object) // prototype instance
         return self.ToString();
     if (self.valueType == JSObjectType.String)
         return self;
     else
         throw new JSException(new TypeError("Try to call String.valueOf for not string object."));
 }

 public static JSObject lastIndexOf(JSObject self, Arguments args)
 {
     if (args.Length == 0)
         return -1;
     string fstr = args[0].ToString();
     int pos = int.MaxValue >> 1;
     while (args.Length > 1)
     {
         JSObject value = null;
         switch (args[1].valueType)
         {
             case JSObjectType.Int:
             case JSObjectType.Bool:
                 {
                     pos = args[1].iValue;
                     break;
                 }
             case JSObjectType.Double:
                 {
                     if (!double.IsNaN(args[1].dValue))
                         pos = (int)args[1].dValue;
                     break;
                 }
             case JSObjectType.Object:
             case JSObjectType.Date:
             case JSObjectType.Function:
                 {
                     value = args[1].ToPrimitiveValue_Value_String();
                     if (value.valueType < JSObjectType.String)
                     {
                         args[1] = value;
                         continue;
                     }
                     goto case JSObjectType.String;
                 }
             case JSObjectType.String:
                 {
                     double d = 0;
                     Tools.ParseNumber((value ?? args[1]).ToString(), pos, out d, Tools.ParseNumberOptions.Default);
                     pos = (int)d;
                     break;
                 }
         }
         break;
     }
     var strValue = self.ToString();
     return strValue.LastIndexOf(fstr, StringComparison.CurrentCulture) == 0
             ? 0
             : strValue.LastIndexOf(fstr, System.Math.Max(0, System.Math.Min(pos, strValue.Length - 1)), StringComparison.CurrentCulture);
 }

 public static JSObject concat(JSObject self, Arguments args)
 {
     if (args.length == 0)
         return self.ToString();
     if (args.length == 1)
         return string.Concat(self.ToString(), args[0].ToString());
     if (args.length == 2)
         return string.Concat(self.ToString(), args[0].ToString(), args[1].ToString());
     if (args.length == 3)
         return string.Concat(self.ToString(), args[0].ToString(), args[1].ToString(), args[2].ToString());
     if (args.length == 4)
         return string.Concat(self.ToString(), args[0].ToString(), args[1].ToString(), args[2].ToString(), args[3].ToString());
     var res = new StringBuilder().Append(self.ToString());
     for (var i = 0; i < args.Length; i++)
         res.Append(args[i].ToString());
     return res.ToString();
 }

 protected internal override bool DeleteMember(JSObject name)
 {
     if (members == null)
         fillMembers();
     string tname = null;
     JSObject field = null;
     if (fields != null
         && fields.TryGetValue(tname = name.ToString(), out field)
         && (!field.IsExist || (field.attributes & JSObjectAttributesInternal.DoNotDelete) == 0))
     {
         if ((field.attributes & JSObjectAttributesInternal.SystemObject) == 0)
             field.valueType = JSObjectType.NotExistsInObject;
         return fields.Remove(tname) | members.Remove(tname); // it's not mistake
     }
     else
     {
         IList<MemberInfo> m = null;
         if (members.TryGetValue(tname.ToString(), out m))
         {
             for (var i = m.Count; i-- > 0; )
             {
                 if (m[i].IsDefined(typeof(DoNotDeleteAttribute), false))
                     return false;
             }
         }
         if (!members.Remove(tname) && prototypeInstance != null)
             return _prototypeInstance.DeleteMember(tname);
     }
     return true;
 }

        internal protected override JSObject GetMember(JSObject nameObj, bool create, bool own)
        {
            string name = nameObj.ToString();
            JSObject r = null;
            if (fields.TryGetValue(name, out r))
            {
                if (r.valueType < JSObjectType.Undefined)
                {
                    if (!create)
                    {
                        var t = DefaultFieldGetter(nameObj, false, own);
                        if (t.IsExist)
                            r.Assign(t);
                    }
                }
                if (create
                    && ((attributes & JSObjectAttributesInternal.Immutable) == 0)
                    && (r.attributes & (JSObjectAttributesInternal.SystemObject | JSObjectAttributesInternal.ReadOnly)) == JSObjectAttributesInternal.SystemObject)
                    fields[name] = r = r.CloneImpl();
                return r;
            }
            if (members == null)
                fillMembers();
            IList<MemberInfo> m = null;
            members.TryGetValue(name, out m);
            if (m == null || m.Count == 0)
            {
                var pi = prototypeInstance as JSObject;
                if (pi != null)
                    return pi.GetMember(nameObj, create, own);
                else
                    return DefaultFieldGetter(nameObj, create, own);
            }
            if (m.Count > 1)
            {
                for (int i = 0; i < m.Count; i++)
                    if (!(m[i] is MethodBase))
                        throw new JSException(Proxy(new TypeError("Incompatible fields type.")));
                var cache = new MethodProxy[m.Count];
                for (int i = 0; i < m.Count; i++)
                    cache[i] = new MethodProxy(m[i] as MethodBase);
                r = new MethodGroup(cache);
            }
            else
            {
#if PORTABLE
                switch (m[0].get_MemberType())
#else
                switch (m[0].MemberType)
#endif
                {
                    case MemberTypes.Constructor:
                        throw new InvalidOperationException("Constructor can not be called directly");
                    case MemberTypes.Method:
                        {
                            var method = (MethodInfo)m[0];
                            r = new MethodProxy(method);
                            r.attributes &= ~(JSObjectAttributesInternal.ReadOnly | JSObjectAttributesInternal.DoNotDelete | JSObjectAttributesInternal.NotConfigurable | JSObjectAttributesInternal.DoNotEnum);
                            break;
                        }
                    case MemberTypes.Field:
                        {
                            var field = (m[0] as FieldInfo);
                            if ((field.Attributes & (FieldAttributes.Literal | FieldAttributes.InitOnly)) != 0
                                && (field.Attributes & FieldAttributes.Static) != 0)
                            {
                                r = Proxy(field.GetValue(null));
                                r.attributes |= JSObjectAttributesInternal.ReadOnly;
                            }
                            else
                            {
                                r = new JSObject()
                                {
                                    valueType = JSObjectType.Property,
                                    oValue = new PropertyPair
                                    (
                                        new ExternalFunction((thisBind, a) =>
                                        {
                                            return Proxy(field.GetValue(field.IsStatic ? null : thisBind.Value));
                                        }),
                                        !m[0].IsDefined(typeof(Modules.ReadOnlyAttribute), false) ? new ExternalFunction((thisBind, a) =>
                                        {
                                            field.SetValue(field.IsStatic ? null : thisBind.Value, a[0].Value);
                                            return null;
                                        }) : null
                                    )
                                };
                                r.attributes = JSObjectAttributesInternal.Immutable | JSObjectAttributesInternal.Field;
                                if ((r.oValue as PropertyPair).set == null)
                                    r.attributes |= JSObjectAttributesInternal.ReadOnly;

                            }
                            break;
                        }
                    case MemberTypes.Property:
                        {
                            var pinfo = (PropertyInfo)m[0];
                            r = new JSObject()
                            {
                                valueType = JSObjectType.Property,
//.........这里部分代码省略.........

 protected internal override bool DeleteMember(JSObject name)
 {
     if (name.valueType == JSObjectType.Int)
     {
         switch (name.iValue)
         {
             case 0:
                 return a0 == null || ((a0.attributes & JSObjectAttributesInternal.DoNotDelete) == 0) && (a0 = null) == null;
             case 1:
                 return a1 == null || ((a1.attributes & JSObjectAttributesInternal.DoNotDelete) == 0) && (a1 = null) == null;
             case 2:
                 return a2 == null || ((a2.attributes & JSObjectAttributesInternal.DoNotDelete) == 0) && (a2 = null) == null;
             case 3:
                 return a3 == null || ((a3.attributes & JSObjectAttributesInternal.DoNotDelete) == 0) && (a3 = null) == null;
             case 4:
                 return a4 == null || ((a4.attributes & JSObjectAttributesInternal.DoNotDelete) == 0) && (a4 = null) == null;
             //case 5:
             //    return a5 == null || ((a5.attributes & JSObjectAttributesInternal.DoNotDelete) == 0) && (a5 = null) == null;
             //case 6:
             //    return a6 == null || ((a6.attributes & JSObjectAttributesInternal.DoNotDelete) == 0) && (a6 = null) == null;
             //case 7:
             //    return a7 == null || ((a7.attributes & JSObjectAttributesInternal.DoNotDelete) == 0) && (a7 = null) == null;
         }
     }
     switch (name.ToString())
     {
         case "0":
             return a0 == null || ((a0.attributes & JSObjectAttributesInternal.DoNotDelete) == 0) && (a0 = null) == null;
         case "1":
             return a1 == null || ((a1.attributes & JSObjectAttributesInternal.DoNotDelete) == 0) && (a1 = null) == null;
         case "2":
             return a2 == null || ((a2.attributes & JSObjectAttributesInternal.DoNotDelete) == 0) && (a2 = null) == null;
         case "3":
             return a3 == null || ((a3.attributes & JSObjectAttributesInternal.DoNotDelete) == 0) && (a3 = null) == null;
         case "4":
             return a4 == null || ((a4.attributes & JSObjectAttributesInternal.DoNotDelete) == 0) && (a4 = null) == null;
         //case "5":
         //    return a5 == null || ((a5.attributes & JSObjectAttributesInternal.DoNotDelete) == 0) && (a5 = null) == null;
         //case "6":
         //    return a6 == null || ((a6.attributes & JSObjectAttributesInternal.DoNotDelete) == 0) && (a6 = null) == null;
         //case "7":
         //    return a7 == null || ((a7.attributes & JSObjectAttributesInternal.DoNotDelete) == 0) && (a7 = null) == null;
     }
     return base.DeleteMember(name);
 }

 protected internal override JSObject GetMember(JSObject name, bool createMember, bool own)
 {
     createMember &= (attributes & JSObjectAttributesInternal.Immutable) == 0;
     if (name.valueType == JSObjectType.Int)
     {
         switch (name.iValue)
         {
             case 0:
                 return (a0 ?? (!createMember ? notExists : (a0 = new JSObject() { valueType = JSObjectType.NotExistsInObject })));
             case 1:
                 return (a1 ?? (!createMember ? notExists : (a1 = new JSObject() { valueType = JSObjectType.NotExistsInObject })));
             case 2:
                 return (a2 ?? (!createMember ? notExists : (a2 = new JSObject() { valueType = JSObjectType.NotExistsInObject })));
             case 3:
                 return (a3 ?? (!createMember ? notExists : (a3 = new JSObject() { valueType = JSObjectType.NotExistsInObject })));
             case 4:
                 return (a4 ?? (!createMember ? notExists : (a4 = new JSObject() { valueType = JSObjectType.NotExistsInObject })));
             //case 5:
             //    return (a5 ?? (!createMember ? notExists : (a5 = new JSObject() { valueType = JSObjectType.NotExistsInObject })));
             //case 6:
             //    return (a6 ?? (!createMember ? notExists : (a6 = new JSObject() { valueType = JSObjectType.NotExistsInObject })));
             //case 7:
             //    return (a7 ?? (!createMember ? notExists : (a7 = new JSObject() { valueType = JSObjectType.NotExistsInObject })));
         }
     }
     switch (name.ToString())
     {
         case "0":
             return (a0 ?? (!createMember ? notExists : (a0 = new JSObject() { valueType = JSObjectType.NotExistsInObject })));
         case "1":
             return (a1 ?? (!createMember ? notExists : (a1 = new JSObject() { valueType = JSObjectType.NotExistsInObject })));
         case "2":
             return (a2 ?? (!createMember ? notExists : (a2 = new JSObject() { valueType = JSObjectType.NotExistsInObject })));
         case "3":
             return (a3 ?? (!createMember ? notExists : (a3 = new JSObject() { valueType = JSObjectType.NotExistsInObject })));
         case "4":
             return (a4 ?? (!createMember ? notExists : (a4 = new JSObject() { valueType = JSObjectType.NotExistsInObject })));
         //case "5":
         //    return (a5 ?? (!createMember ? notExists : (a5 = new JSObject() { valueType = JSObjectType.NotExistsInObject })));
         //case "6":
         //    return (a6 ?? (!createMember ? notExists : (a6 = new JSObject() { valueType = JSObjectType.NotExistsInObject })));
         //case "7":
         //    return (a7 ?? (!createMember ? notExists : (a7 = new JSObject() { valueType = JSObjectType.NotExistsInObject })));
         case "length":
             {
                 if (_length == null)
                     _length = new _LengthContainer(this) { valueType = JSObjectType.Int, iValue = length, attributes = JSObjectAttributesInternal.DoNotEnum | JSObjectAttributesInternal.Reassign };
                 return _length;
             }
         case "callee":
             {
                 if (createMember && (callee.attributes & JSObjectAttributesInternal.SystemObject) != 0)
                 {
                     callee = callee.CloneImpl();
                     callee.attributes = JSObjectAttributesInternal.DoNotEnum;
                 }
                 return (callee ?? (!createMember ? notExists : (callee = new JSObject() { valueType = JSObjectType.NotExistsInObject })));
             }
         case "caller":
             {
                 if (createMember && (caller.attributes & JSObjectAttributesInternal.SystemObject) != 0)
                 {
                     caller = caller.CloneImpl();
                     callee.attributes = JSObjectAttributesInternal.DoNotEnum;
                 }
                 return (caller ?? (!createMember ? notExists : (caller = new JSObject() { valueType = JSObjectType.NotExistsInObject })));
             }
     }
     return base.GetMember(name, createMember, own);
 }

 public static JSObject toUpperCase(JSObject self)
 {
     var sstr = self.ToString();
     var res = sstr.ToUpperInvariant();
     if (self.valueType == JSObjectType.String && string.CompareOrdinal(sstr, res) == 0)
         return self;
     return res;
 }