rwPropertiesMap.h

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


#pragma once

#include <readerWriter/rwPropertiesList.h>

class DT_DLL_readerWriter DtRwPropertiesMap : public DtRwPropertiesList
{
private:
   DtRwPropertiesMap();

public:

   DtRwPropertiesMap(const DtString& name, DtReaderWriterRegistry* parentRegistry = 0);
   DtRwPropertiesMap(const DtString& name, const DtString& keyType, 
      const DtPropertyInterface* prototype, DtReaderWriterRegistry* parentRegistry = 0);
   DtRwPropertiesMap(const DtString& name, const DtRwPropertiesMap& orig,
      DtReaderWriterRegistry* parentRegistry = 0);
   virtual ~DtRwPropertiesMap();

   virtual DtPropertyInterface* findItem(const DtString& key);

   virtual DtPropertyInterface* findItem(int key);

   virtual DtPropertyInterface* findItem(double key);

   virtual const DtPropertyInterface* findItem(const DtString& key) const;

   virtual const DtPropertyInterface* findItem(int key) const;

   virtual const DtPropertyInterface* findItem(double key) const;

   template <typename ValueType>
   boost::optional<ValueType> findItemValue(const DtString& key) const;

   template <typename ValueType>
   boost::optional<ValueType> findItemValue(int key) const;

   template <typename ValueType>
   boost::optional<ValueType> findItemValue(double key) const;

   virtual bool insert(const DtString& key, DtPropertyInterface* item);
   virtual bool insert(int key, DtPropertyInterface* item);
   virtual bool insert(double key, DtPropertyInterface* item);

   virtual DtPropertyInterface* addItem(const DtString& key);
   virtual DtPropertyInterface* addItem(int key);
   virtual DtPropertyInterface* addItem(double key);

   virtual bool erase(const DtString& key);
   virtual bool erase(int key);
   virtual bool erase(double key);

   DtPropertyInterface& operator[](const DtString& key);
   const DtPropertyInterface& operator[](const DtString& key) const;
   DtPropertyInterface& operator[](double key);
   const DtPropertyInterface& operator[](double key) const;
   DtPropertyInterface& operator[](int key);
   const DtPropertyInterface& operator[](int key) const;

   virtual const char* readerWriterType() const;

   static const char* theXmlType();

   virtual const char* xmlType() const
   {
      return theXmlType();
   }

   DtRwPropertiesMap& operator=(const DtRwPropertiesMap&);

   virtual void setKeyType(const DtString&);
   virtual const DtReaderWriter* keyType() const;

   virtual bool keyIsInt() const;
   virtual bool keyIsReal() const;
   virtual bool keyIsString() const;

   virtual bool isSimilarProperty(const DtPropertyInterface* rhs, bool strict = true) const;

   bool operator==(const DtRwPropertiesMap&) const;

protected:

   virtual bool convertKeyToString(int key, DtString& str) const;

   virtual bool convertKeyToString(double key, DtString& str) const;

   virtual bool convertStringToKey(const DtString& str, int& key) const;

   virtual bool convertStringToKey(const DtString& str, double& key) const;

   virtual DtPropertyInterface* createPrototype(DtlObjPtr args);
   virtual DtlObjPtr variablesStart(DtlObjPtr args) const;

   virtual int hlaAlignment(const DtPropertyInterface* field) const;

   virtual void getSize(const DtPropertyInterface*, int& size) const;

   virtual void createListEntry(DtPropertyInterface* iFace, DtlObjPtr variableItem, 
      const DtReaderWriter::SearchPaths& searchPaths,
      const DtVariableBindingsList& variableBindings);

   virtual char* encode(const DtPropertyInterface*, char* buf) const;
   virtual const char* decode(DtPropertyInterface* iFace, const char* buf);

   virtual void getData(const DtEnvironmentSP env, const DtEnvValueSP root,
      const DtReaderWriter::SearchPaths& searchPaths, 
      const DtVariableBindingsList& varBindings);
   virtual void putData(DtEnvironmentSP env, DtEnvValueSP value) const;
   virtual void postWriteItem(std::string& fp, DtReaderWriter* rw, int indentLevel);
   virtual void preWriteItem(std::string& fp, DtReaderWriter* rw, int indentLevel);

   virtual DtPropertyInterface* scratchItem() const;

   virtual const DtPropertyInterface* findPropertyInterfaceByStringKey(const DtString& keyStr) const;
   virtual DtPropertyInterface* findPropertyInterfaceByStringKey(const DtString& keyStr);

protected:
   mutable DtPropertyInterface* myKeyType;

   mutable DtPropertyInterface* myScratchItem;
};

template <typename ValueType>
boost::optional<ValueType> DtRwPropertiesMap::findItemValue(const DtString& key) const
{
   if (keyIsString())
   {
      return findPropertyValue<ValueType>(key);
   }

   return boost::optional<ValueType>();
}

template <typename ValueType>
boost::optional<ValueType> DtRwPropertiesMap::findItemValue(int key) const
{
   DtString keyStr;
   if (convertKeyToString(key, keyStr))
   {
      return findPropertyValue<ValueType>(keyStr);
   }

   return boost::optional<ValueType>();
}

template <typename ValueType>
boost::optional<ValueType> DtRwPropertiesMap::findItemValue(double key) const
{
   DtString keyStr;
   if (convertKeyToString(key, keyStr))
   {
      return findPropertyValue<ValueType>(keyStr);
   }

   return boost::optional<ValueType>();
}