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/*
Rosegarden
A sequencer and musical notation editor.
This program is Copyright 2000-2008
Guillaume Laurent <glaurent@telegraph-road.org>,
Chris Cannam <cannam@all-day-breakfast.com>,
Richard Bown <bownie@bownie.com>
The moral right of the authors to claim authorship of this work
has been asserted.
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; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#include <iostream>
#include <string>
#include "PropertyName.h"
#include "Exception.h"
namespace Rosegarden
{
using std::string;
PropertyName::intern_map *PropertyName::m_interns = 0;
PropertyName::intern_reverse_map *PropertyName::m_internsReversed = 0;
int PropertyName::m_nextValue = 0;
int PropertyName::intern(const string &s)
{
if (!m_interns) {
m_interns = new intern_map;
m_internsReversed = new intern_reverse_map;
}
intern_map::iterator i(m_interns->find(s));
if (i != m_interns->end()) {
return i->second;
} else {
int nv = ++m_nextValue;
m_interns->insert(intern_pair(s, nv));
m_internsReversed->insert(intern_reverse_pair(nv, s));
return nv;
}
}
string PropertyName::getName() const
{
intern_reverse_map::iterator i(m_internsReversed->find(m_value));
if (i != m_internsReversed->end()) return i->second;
// dump some informative data, even if we aren't in debug mode,
// because this really shouldn't be happening
std::cerr << "ERROR: PropertyName::getName: value corrupted!\n";
std::cerr << "PropertyName's internal value is " << m_value << std::endl;
std::cerr << "Reverse interns are ";
i = m_internsReversed->begin();
if (i == m_internsReversed->end()) std::cerr << "(none)";
else while (i != m_internsReversed->end()) {
if (i != m_internsReversed->begin()) {
std::cerr << ", ";
}
std::cerr << i->first << "=" << i->second;
++i;
}
std::cerr << std::endl;
throw Exception
("Serious problem in PropertyName::getName(): property "
"name's internal value is corrupted -- see stderr for details");
}
const PropertyName PropertyName::EmptyPropertyName = "";
}
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