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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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.
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
/*
* This code is based on original Hugo Trilogy source code
*
* Copyright (c) 1989-1995 David P. Gray
*
*/
#ifndef HUGO_PARSER_H
#define HUGO_PARSER_H
namespace Hugo {
enum seqTextParser {
kTBExit = 0, kTBMaze, kTBNoPoint, kTBNoun, kTBVerb,
kTBEh, kTBUnusual, kTBHave, kTBNoUse, kTBDontHave,
kTBNeed, kTBOk, kCmtAny1, kCmtAny2, kCmtAny3,
kCmtClose, kTBIntro, kTBOutro, kTBUnusual_1d, kCmtAny4,
kCmtAny5, kTBExit_1d, kTBEh_1d, kTBEh_2d, kTBNoUse_2d
};
class Parser {
public:
Parser(HugoEngine &vm);
virtual ~Parser();
bool isWordPresent(char **wordArr);
void charHandler();
void command(const char *format, ...);
void keyHandler(uint16 nChar, uint16 nFlags);
virtual void lineHandler() = 0;
protected:
HugoEngine &_vm;
protected:
bool isCarrying(uint16 wordIndex);
char *findNoun();
char *findVerb();
void showTakeables();
private:
char _ringBuffer[32]; // Ring buffer
uint16 _putIndex;
uint16 _getIndex; // Index into ring buffer
bool _checkDoubleF1Fl; // Flag used to display user help or instructions
void showDosInventory();
};
class Parser_v1w : public Parser {
public:
Parser_v1w(HugoEngine &vm);
~Parser_v1w();
virtual void lineHandler();
protected:
bool isBackgroundWord(objectList_t obj);
bool isCatchallVerb(objectList_t obj);
bool isGenericVerb(object_t *obj, char *comment);
bool isObjectVerb(object_t *obj, char *comment);
void takeObject(object_t *obj);
private:
bool isNear(object_t *obj, char *verb, char *comment);
void dropObject(object_t *obj);
};
class Parser_v1d : public Parser {
public:
Parser_v1d(HugoEngine &vm);
~Parser_v1d();
virtual void lineHandler();
protected:
bool isNear(char *verb, char *noun, object_t *obj, char *comment);
bool isGenericVerb(char *word, object_t *obj);
bool isObjectVerb(char *word, object_t *obj);
bool isBackgroundWord(char *noun, char *verb, objectList_t obj);
bool isCatchallVerb(bool testNounFl, char *noun, char *verb, objectList_t obj);
char *findNextNoun(char *noun);
void dropObject(object_t *obj);
void takeObject(object_t *obj);
};
class Parser_v2d : public Parser_v1d {
public:
Parser_v2d(HugoEngine &vm);
~Parser_v2d();
void lineHandler();
};
class Parser_v3d : public Parser_v1w {
public:
Parser_v3d(HugoEngine &vm);
~Parser_v3d();
void lineHandler();
};
} // End of namespace Hugo
#endif //HUGO_PARSER_H
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