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/******************************************************************************
*
* multimapwdef.h - template multimapwithdefault: a template which extends
* multipmap with easy access operators to
* obtain entries which are not repeated, plus a few
* nice convenience methods
*
* $Id: multimapwdef.h 3786 2020-08-30 11:35:14Z scribe $
*
* Copyright 2002-2013 CrossWire Bible Society (http://www.crosswire.org)
* CrossWire Bible Society
* P. O. Box 2528
* Tempe, AZ 85280-2528
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation version 2.
*
* This program 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
* General Public License for more details.
*
*/
#ifndef MULTIMAPWDEF_H
#define MULTIMAPWDEF_H
#include <map>
SWORD_NAMESPACE_START
// multmap that still lets you use [] to reference FIRST
// entry of a key if multiples exist
template <class Key, class T, class Compare>
class multimapwithdefault : public std::multimap<Key, T, Compare> {
public:
typedef std::pair<const Key, T> value_type;
T& getWithDefault(const Key& k, const T& defaultValue) {
if (find(k) == this->end()) {
insert(value_type(k, defaultValue));
}
return (*(find(k))).second;
}
T& operator[](const Key& k) {
if (this->find(k) == this->end()) {
this->insert(value_type(k, T()));
}
return (*(this->find(k))).second;
}
bool has(const Key& k, const T &val) const {
typename std::multimap<Key, T, Compare>::const_iterator start = this->lower_bound(k);
typename std::multimap<Key, T, Compare>::const_iterator end = this->upper_bound(k);
for (; start!=end; start++) {
if (start->second == val)
return true;
}
return false;
}
};
SWORD_NAMESPACE_END
#endif
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