/********************************************************************************
* *
* H a s h T a b l e O f P o i n t e r s T o T y p e *
* *
*********************************************************************************
* Copyright (C) 2003,2024 by Jeroen van der Zijp. All Rights Reserved. *
*********************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 3 of the License, or *
* (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this program. If not, see *
********************************************************************************/
#ifndef FXHASHOF_H
#define FXHASHOF_H
namespace FX {
/**
* A hash table mapping pointers to KEYTYPE to pointers of VALUETYPE.
* Two special key values are disallowed: NULL and the pointer value (-1L);
* NULL is used to designate an unoccupied slot, while (-1L) is used to designate
* a formerly occupied slot.
*/
template
class FXHashOf : public FXHash {
public:
/// Default constructor
FXHashOf(){}
/// Copy constructor
FXHashOf(const FXHashOf& other):FXHash(other){}
/// Assignment operator
FXHashOf& operator=(const FXHashOf& other){ return reinterpret_cast&>(FXHash::operator=(other)); }
/// Adopt objects from orig, leaving orig empty
FXHashOf& adopt(FXHashOf& other){ return reinterpret_cast&>(FXHash::adopt(other)); }
/// Find position of given key, returning -1 if not found.
FXival find(KEYTYPE* ky) const { return FXHash::find(ky); }
/// Check if key is mapped.
FXbool has(KEYTYPE* ky) const { return FXHash::has(ky); }
/// Return reference to slot assocated with given key
VALUETYPE*& at(KEYTYPE* ky){ return reinterpret_cast(FXHash::at(ky)); }
/// Return constant reference to slot assocated with given key
VALUETYPE *const& at(KEYTYPE* ky) const { return reinterpret_cast(FXHash::at(ky)); }
/// Return reference to slot assocated with given key
VALUETYPE*& operator[](KEYTYPE* ky){ return reinterpret_cast(FXHash::at(ky)); }
/// Return constant reference to slot assocated with given key
VALUETYPE *const& operator[](KEYTYPE* ky) const { return reinterpret_cast(FXHash::at(ky)); }
/// Insert association with given key; return old value, if any
VALUETYPE* insert(KEYTYPE* ky,VALUETYPE* ptr=nullptr){ return reinterpret_cast(FXHash::insert(ky,ptr)); }
/// Remove association with given key; return old value, if any
VALUETYPE* remove(KEYTYPE* ky){ return reinterpret_cast(FXHash::remove(ky)); }
/// Erase data at pos in the table; return old value, if any
VALUETYPE* erase(FXival pos){ return reinterpret_cast(FXHash::erase(pos)); }
/// Return key at position pos
KEYTYPE* key(FXival pos) const { return reinterpret_cast(FXHash::key(pos)); }
/// Return reference to slot at position pos
VALUETYPE*& data(FXival pos){ return reinterpret_cast(FXHash::data(pos)); }
/// Return constant reference to slot at position pos
VALUETYPE *const& data(FXival pos) const { return reinterpret_cast(FXHash::data(pos)); }
};
}
#endif