text: /*
    ==============================================================================
  
     This file is part of the JUCE library.
     Copyright (c) 2017 - ROLI Ltd.
  
     JUCE is an open source library subject to commercial or open-source
     licensing.
  
     The code included in this file is provided under the terms of the ISC license
     http://www.isc.org/downloads/software-support-policy/isc-license. Permission
     To use, copy, modify, and/or distribute this software for any purpose with or
     without fee is hereby granted provided that the above copyright notice and
     this permission notice appear in all copies.
  
     JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
     EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
     DISCLAIMED.
  
    ==============================================================================
  */
  
  namespace juce
  {
  
  //==============================================================================
  /**
      Represents a dynamically implemented object.
  
      This class is primarily intended for wrapping scripting language objects,
      but could be used for other purposes.
  
      An instance of a DynamicObject can be used to store named properties, and
      by subclassing hasMethod() and invokeMethod(), you can give your object
      methods.
  */
  class JUCE_API  DynamicObject  : public ReferenceCountedObject
  {
  public:
      //==============================================================================
      DynamicObject();
      DynamicObject (const DynamicObject&);
      ~DynamicObject();
  
      typedef ReferenceCountedObjectPtr<DynamicObject> Ptr;
  
      //==============================================================================
      /** Returns true if the object has a property with this name.
          Note that if the property is actually a method, this will return false.
      */
      virtual bool hasProperty (const Identifier& propertyName) const;
  
      /** Returns a named property.
          This returns var() if no such property exists.
      */
      virtual const var& getProperty (const Identifier& propertyName) const;
  
      /** Sets a named property. */
      virtual void setProperty (const Identifier& propertyName, const var& newValue);
  
      /** Removes a named property. */
      virtual void removeProperty (const Identifier& propertyName);
  
      //==============================================================================
      /** Checks whether this object has the specified method.
  
          The default implementation of this just checks whether there's a property
          with this name that's actually a method, but this can be overridden for
          building objects with dynamic invocation.
      */
      virtual bool hasMethod (const Identifier& methodName) const;
  
      /** Invokes a named method on this object.
  
          The default implementation looks up the named property, and if it's a method
          call, then it invokes it.
  
          This method is virtual to allow more dynamic invocation to used for objects
          where the methods may not already be set as properies.
      */
      virtual var invokeMethod (Identifier methodName,
                                const var::NativeFunctionArgs& args);
  
      /** Adds a method to the class.
  
          This is basically the same as calling setProperty (methodName, (var::NativeFunction) myFunction), but
          helps to avoid accidentally invoking the wrong type of var constructor. It also makes
          the code easier to read,
      */
      void setMethod (Identifier methodName, var::NativeFunction function);
  
      //==============================================================================
      /** Removes all properties and methods from the object. */
      void clear();
  
      /** Returns the NamedValueSet that holds the object's properties. */
      NamedValueSet& getProperties() noexcept     { return properties; }
  
  	const NamedValueSet& getProperties() const noexcept { return properties; }
  
      /** Calls var::clone() on all the properties that this object contains. */
      void cloneAllProperties();
  
      //==============================================================================
      /** Returns a clone of this object.
          The default implementation of this method just returns a new DynamicObject
          with a (deep) copy of all of its properties. Subclasses can override this to
          implement their own custom copy routines.
      */
      virtual Ptr clone();
  
      //==============================================================================
      /** Writes this object to a text stream in JSON format.
          This method is used by JSON::toString and JSON::writeToStream, and you should
          never need to call it directly, but it's virtual so that custom object types
          can stringify themselves appropriately.
      */
      virtual void writeAsJSON (OutputStream&, int indentLevel, bool allOnOneLine, int maximumDecimalPlaces);
  
  private:
      //==============================================================================
      NamedValueSet properties;
  
     #if JUCE_CATCH_DEPRECATED_CODE_MISUSE
      // This method has been deprecated - use var::invoke instead
      virtual void invokeMethod (const Identifier&, const var*, int) {}
     #endif
  
      JUCE_LEAK_DETECTOR (DynamicObject)
  };
  
  } // namespace juce
  