KeyRing.h

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// -*- c++ -*-
#include <string>
#include <map>
#include "keyValuePair.h"

using namespace std;

class KeyRing {
private:
   class KValue {
   protected:
      int mySize ;
      KeyType myType ;
   public:
      KeyType type () {return (myType) ;} ;
      int size () {return (mySize) ;} ;
   } ;
   class IntArray : public KValue {
      int* myValues ;
   public:
      int* value () {return (myValues) ;};
      IntArray (const int* values, int size) {
         myValues = new int[size] ;
         for (int element = 0 ; element < size ; element++) {
            myValues[element] = values[element] ;
         }
         mySize = size ;
         myType = KT_INT;
      } ;
      ~IntArray () {delete [] myValues ;} ;
   } ;
   class FloatArray : public KValue {
      float* myValues ;
   public:
      float* value () {return (myValues) ;};
      FloatArray (const float* values, int size) {
         myValues = new float[size] ;
         for (int element = 0 ; element < size ; element++) {
            myValues[element] = values[element] ;
         }
         mySize = size ;
         myType = KT_FLOAT;
      } ;
      ~FloatArray () {delete [] myValues ;} ;
   } ;
   class StringValue : public KValue {
      string myValue ;
   public:
      string value () {return (myValue) ;} ;
      StringValue (string value) {
         myValue = value ;
         mySize = value.size () ;
         myType = KT_STRING;
      } ;
   } ;

   typedef map<string,KValue*> KvMap ;
   KvMap myMap ;
   int keyCount ;
public:
   KeyRing () ;
   KeyRing (char* buffer) ;
   ~KeyRing () ;

   // Debugging / error handling
   void dump () ;
   KvpErrorCode error () { return (kvpError()) ;} ;
   string errorString () { return (kvpErrorString(kvpError())) ;} ;
   string errorString (KvpErrorCode code) { return (kvpErrorString(code)) ;} ;

   // Key insertion
   void addKey (string key, int value) ;
   void addKey (const string key, const int* values, int size) ;
   void addKey (string key, float value) ;
   void addKey (string key, string value) ;

   // Key lookup
   int intKey (string key) ;
   float floatKey (string key) ;
   string stringKey (string key) ;

   int intArray (const string key, int* array, int maxLength) ;

   // Output
   void write (int stream = 1) ;
} ;

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