Esempio n. 1
0
        //[return: PhpDeepCopy] // already deep copied
        public static PhpArray GetObjectVars(DTypeDesc caller, DObject obj, bool IgnoreReferences)
        {
            if (obj == null)
            {
                return(null);
            }

            Converter <object, object> copy = null;

            ///////////////////////////////////////
            // This is hot fix for a reference counting problem when reference aren't released in same way as in PHP.
            // Hence, we need to perform deep copy ignoring references
            if (IgnoreReferences)
            {
                copy = (value) =>
                {
                    PhpReference refValue = value as PhpReference;
                    if (refValue != null)
                    {
                        return(copy(refValue.Value));
                    }

                    PhpArray array = value as PhpArray;
                    if (array != null)
                    {
                        PhpArray dst = new PhpArray(array.IntegerCount, array.StringCount);

                        foreach (KeyValuePair <IntStringKey, object> entry in array)
                        {
                            // checks whether a value is a reference pointing to the instance itself:
                            refValue = entry.Value as PhpReference;
                            if (refValue != null && refValue.Value == array)
                            {
                                // copies the value so that it will self-reference the new instance (not the old one):
                                dst.Add(entry.Key, new PhpReference(dst));
                            }
                            else
                            {
                                dst.Add(entry.Key, copy(entry.Value));
                            }
                        }
                        return(dst);
                    }

                    return(value);
                }
            }
            ;
            else
            {
                copy = (value) => { return(PhpVariable.DeepCopy(value)); }
            };                                                              // perform InplaceDeepCopy() here to save one more iteration through the array
            ///////////////////////////////////////

            PhpArray result            = new PhpArray(0, obj.Count);
            var      foreachEnumerator = obj.GetEnumerator((caller != null && caller.IsUnknown) ? PhpStackTrace.GetClassContext() : caller);

            while (foreachEnumerator.MoveNext())
            //foreach (DictionaryEntry pair in obj)
            {
                DictionaryEntry pair = (DictionaryEntry)foreachEnumerator.Current;
                result.Add((string)pair.Key, copy(pair.Value));
            }

            //result.InplaceCopyOnReturn = true;    // already deep copied

            return(result);
        }
Esempio n. 2
0
        //[return: PhpDeepCopy] // already deep copied
		public static PhpArray GetObjectVars(DTypeDesc caller, DObject obj, bool IgnoreReferences)
		{
			if (obj == null) return null;

            Converter<object, object> copy = null;

            ///////////////////////////////////////
            // This is hot fix for a reference counting problem when reference aren't released in same way as in PHP. 
            // Hence, we need to perform deep copy ignoring references
            if (IgnoreReferences)
                copy = (value) =>
                    {
                        PhpReference refValue = value as PhpReference;
                        if (refValue != null)
                            return copy(refValue.Value);

                        PhpArray array = value as PhpArray;
                        if (array != null)
                        {
                            PhpArray dst = new PhpArray(array.IntegerCount, array.StringCount);

                            foreach (KeyValuePair<IntStringKey, object> entry in array)
                            {
                                // checks whether a value is a reference pointing to the instance itself:
                                refValue = entry.Value as PhpReference;
                                if (refValue != null && refValue.Value == array)
                                {
                                    // copies the value so that it will self-reference the new instance (not the old one):
                                    dst.Add(entry.Key, new PhpReference(dst));
                                }
                                else
                                {
                                    dst.Add(entry.Key, copy(entry.Value));
                                }
                            }
                            return dst;
                        }

                        return value;
                    };
            else
                copy = (value) => { return PhpVariable.DeepCopy(value); };  // perform InplaceDeepCopy() here to save one more iteration through the array
            ///////////////////////////////////////

            PhpArray result = new PhpArray(0, obj.Count);
            var foreachEnumerator = obj.GetEnumerator((caller != null && caller.IsUnknown) ? PhpStackTrace.GetClassContext() : caller);
            while (foreachEnumerator.MoveNext())
			//foreach (DictionaryEntry pair in obj)
			{
                DictionaryEntry pair = (DictionaryEntry)foreachEnumerator.Current;
				result.Add((string)pair.Key, copy(pair.Value));
			}

            //result.InplaceCopyOnReturn = true;    // already deep copied

			return result;
		}
Esempio n. 3
0
        public static PhpArray GetClassVars(DTypeDesc caller, string className, bool parentsFirst, bool includeStatic)
        {
            ScriptContext script_context = ScriptContext.CurrentContext;

            DTypeDesc type = script_context.ResolveType(className);

            if (type == null)
            {
                return(null);
            }

            // determine the calling type
            //DTypeDesc caller = PhpStackTrace.GetClassContext();
            if (caller != null && caller.IsUnknown)
            {
                caller = PhpStackTrace.GetClassContext();
            }
            PhpArray result = new PhpArray();

            // add instance properties
            bool have_instance_props = false;

            if (!type.IsAbstract)
            {
                // the class has to be instantiated in order to discover default instance property values
                // (the constructor will initialize default properties, user defined constructor will not be called)
                DObject obj = type.New(script_context) as DObject;
                if (obj == null)
                {
                    return(null);
                }

                // populate the resulting array taking into account current caller
                IDictionaryEnumerator enumerator = obj.GetEnumerator(caller);
                while (enumerator.MoveNext())
                {
                    result.Add(enumerator.Key, enumerator.Value);
                }

                have_instance_props = true;
            }

            // add static fields (static and instance fields if the type is abstract)
            if (includeStatic)
            {
                foreach (KeyValuePair <VariableName, DPropertyDesc> pair in type.EnumerateProperties(caller))
                {
                    if (pair.Value.IsStatic)
                    {
                        result.Add(pair.Key.ToString(), pair.Value.Get(null));
                    }
                    else if (!have_instance_props)
                    {
                        result.Add(pair.Key.ToString(), null);
                    }
                }
            }

            result.InplaceCopyOnReturn = true;
            return(result);
        }