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/*
* Quackle -- Crossword game artificial intelligence and analysis tool
* Copyright (C) 2005-2014 Jason Katz-Brown and John O'Laughlin.
*
* 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 3 of the License, or
* (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef QUACKLE_LEXICONPARAMETERS_H
#define QUACKLE_LEXICONPARAMETERS_H
#include "alphabetparameters.h"
#include "gaddag.h"
namespace Quackle
{
class DawgInterpreter
{
public:
virtual void loadDawg(ifstream &file, LexiconParameters &lexparams) = 0;
virtual void dawgAt(const unsigned char *dawg, int index, unsigned int &p, Letter &letter, bool &t, bool &lastchild, bool &british, int &playability) const = 0;
virtual int versionNumber() const = 0;
virtual ~DawgInterpreter() {};
};
class V0DawgInterpreter;
class V1DawgInterpreter;
class LexiconParameters
{
friend class Quackle::V0DawgInterpreter;
friend class Quackle::V1DawgInterpreter;
public:
LexiconParameters();
~LexiconParameters();
void unloadAll();
// true if we have a dawg or a gaddag
bool hasSomething() const { return hasDawg() || hasGaddag(); };
// loadDawg unloads the dawg if filename can't be opened
void loadDawg(const string &filename);
void unloadDawg();
bool hasDawg() const { return m_dawg != NULL; };
int dawgVersion() const { return m_interpreter->versionNumber(); };
// loadGaddag unloads the gaddag if filename can't be opened
void loadGaddag(const string &filename);
void unloadGaddag();
bool hasGaddag() const { return m_gaddag != NULL; };
// finds a file in the lexica data directory
static string findDictionaryFile(const string &lexicon);
// a convenience field; this is unused by libquackle
string lexiconName() const { return m_lexiconName; };
void setLexiconName(const string &name) { m_lexiconName = name; };
void dawgAt(int index, unsigned int &p, Letter &letter, bool &t, bool &lastchild, bool &british, int &playability) const
{
m_interpreter->dawgAt(m_dawg, index, p, letter, t, lastchild, british, playability);
}
const GaddagNode *gaddagRoot() const { return (GaddagNode *) &m_gaddag[0]; };
protected:
unsigned char *m_dawg;
unsigned char *m_gaddag;
string m_lexiconName;
DawgInterpreter *m_interpreter;
char m_hash[16];
int m_wordcount;
};
}
#endif
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