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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