SbDict.h

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/*=======================================================================
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**=======================================================================*/
/*=======================================================================
** Author      : Paul S. Strauss (MMM yyyy)
** Modified by : Nick Thompson (MMM yyyy)
**=======================================================================*/
/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
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**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/
 
 
#ifndef _SB_DICT_
#define _SB_DICT_
 
#include <Inventor/SbBase.h>
#include <Inventor/SbString.h>
#include <Inventor/SbPList.h>
 
class SbDictEntry;
class SbThreadMutex;
 
//
//  Class: SbDict
//
//  This is a dictionary mapping (unsigned long) integer keys to (void *) data
//  pointers.
//
 
 
{
 public:
  // Constructor
  SbDict(int entries = 251);
  
  // Destructor
  ~SbDict();
  
  // Calls given routine (passing value) for each entry in dictionary.
  //  The order of entries is not guaranteed to mean anything.
  void applyToAll(void (*rtn)(uintptr_t key, void *value));
  
  // Calls given routine (passing value,data) for each entry in dictionary.
  //  The order of entries is not guaranteed to mean anything.
  void applyToAll(void (*rtn)(uintptr_t key, void *value, void *data), void *data);
  
  // Removes all entries from dictionary.
  void clear();
  
  // Enters a key,value pair into the dictionary. Overwrites entry and
  //  returns FALSE if key already exists.
  SbBool enter(uintptr_t key, void *value);
  
  // Finds entry with given key, setting value to point to value.
  //  Returns FALSE if no such entry.
  SbBool find(uintptr_t key, void *&value) const;
  
  // Makes two SbPLists, one for keys and the other for values.
  //  The order of entries is not guaranteed to mean anything.
  void makePList(SbPList &keys, SbPList &values);
  
  // Removes the entry with the given key. Returns FALSE if no such entry.
  SbBool remove(uintptr_t key);
  
 private:
  SbDictEntry *m_entryList; // Hash map
  
  static void addEntryToPLists(uintptr_t key, void *value, void *data);
 
  SbThreadMutex* m_mutex;
};
 
#endif /* _SB_DICT_ */