rwVariableBindings.h

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/*******************************************************************************
** Copyright (c) 2013 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/



#pragma once

#include "vrfutil/readerWriter.h"
#include "vrfutil/vrfutilDefines.h"
#include <list>
#include <vlutil/vlSmartPointers.h>

class DT_DLL_vrfutil DtRwVariableBindings : public DtReaderWriter
{
private:
   DtRwVariableBindings();

public:
   DtRwVariableBindings(const DtString& name, DtReaderWriterRegistry* parentRegistry = 0);
   DtRwVariableBindings(const DtString& name, const DtRwVariableBindings& orig,
      DtReaderWriterRegistry* parentRegistry = 0, bool copyVariables = true);
   DtRwVariableBindings(const DtRwVariableBindings& orig,
      DtReaderWriterRegistry* parentRegistry = 0, bool copyVariables = true);
   DtRwVariableBindings& operator=(const DtRwVariableBindings& orig);
   virtual ~DtRwVariableBindings();
      
   virtual void getSelf(DtlObjPtr args, const std::vector<DtFilename>& searchPaths = std::vector<DtFilename>(), 
      const DtVariableBindingsList& variableBindings = nullVariableReference());

   virtual void writeSelf(std::string& fp, int indentLevel = 0, 
      bool writeUnspecified = false, 
      const DtFilename& path = DtFilename::nullFilename());


   virtual const DtReaderWriter* findVariableBinding(const DtString& rwTypeString,
      const DtString& variableName) const;
   virtual DtReaderWriter* findVariableBinding(const DtString& rwTypeString,
      const DtString& variableName);


   virtual const DtReaderWriter* findVariableBinding(const DtString& variableName) const;
   virtual DtReaderWriter* findVariableBinding(const DtString& variableName);

   template <typename RW_Type>
   const RW_Type* findAndCastVariableBinding(const DtString& variableName) const
   {
      const DtReaderWriter* rw = findVariableBinding(variableName);
      if (rw)
      {
         return dynamic_cast<const RW_Type*>(rw);
      }
      return 0;
   }

   static DtRwVariableBindings* createBinding(const std::list<DtReaderWriter::DtVariableNameType> &);

   virtual DtReaderWriter* addVariableBinding(const DtSymbolString& name, const char* type);

   virtual void addVariable(DtReaderWriter*);

   virtual void removeVariable(DtReaderWriter*);

   virtual void removeVariable(const DtReaderWriter*);

   virtual void clearVariables();

   virtual const char* readerWriterType() const;

   virtual int getSize() const;

   virtual char* encode(char*) const;

   virtual const char* decode(const char*);

   bool operator==(const DtRwVariableBindings&) const;
   bool operator!=(const DtRwVariableBindings&) const;

   virtual DtString prettyPrint() const;

protected:
   virtual void copyVariables(const DtRwVariableBindings& other);
};

typedef DtBoost::shared_ptr<DtRwVariableBindings> DtVariableBindingsSharedPtr;

DT_DLL_vrfutil bool substituteVariablesInString(DtString& string, 
                                                const std::list<const DtRwVariableBindings*>&);