lib/graph/triefa.h

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/* $Id$ $Revision$ */
/* vim:set shiftwidth=4 ts=8: */

/*************************************************************************
 * Copyright (c) 2011 AT&T Intellectual Property 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors: See CVS logs. Details at http://www.graphviz.org/
 *************************************************************************/

#ifdef __cplusplus
extern "C" {
#endif


/* File - TrieFA.h
 *
 *    The data types for the generated trie-based finite automata.
 */

    struct TrieState {          /* An entry in the FA state table                       */
        short def;              /*      If this state is an accepting state then */
        /*      this is the definition, otherwise -1.   */
        short trans_base;       /* The base index into the transition table. */
        long mask;              /* The transition mask.                                         */
    };

    struct TrieTrans {          /* An entry in the FA transition table.         */
        short c;                /* The transition character (lowercase). */
        short next_state;       /* The next state.                                              */
    };

    typedef struct TrieState TrieState;
    typedef struct TrieTrans TrieTrans;

    extern TrieState TrieStateTbl[];
    extern TrieTrans TrieTransTbl[];

#ifdef __cplusplus
}
#endif