Julius: libsent/include/sent/dfa.h Source File

00001 
00035 /*
00036  * Copyright (c) 1991-2007 Kawahara Lab., Kyoto University
00037  * Copyright (c) 2000-2005 Shikano Lab., Nara Institute of Science and Technology
00038  * Copyright (c) 2005-2007 Julius project team, Nagoya Institute of Technology
00039  * All rights reserved
00040  */
00041 
00042 #ifndef __SENT_DFA_H__
00043 #define __SENT_DFA_H__
00044 
00045 #include <sent/stddefs.h>
00046 
00047 #define DFA_STATESTEP 1000      
00048 
00049 #define INITIAL_S 0x10000000    
00050 #define ACCEPT_S  0x00000001    
00051 
00053 typedef struct _dfa_arc {
00054   short label;                  
00055   int to_state;                 
00056   struct _dfa_arc *next;        
00057 } DFA_ARC;
00058 
00060 typedef struct {
00061   int           number;         
00062   unsigned int  status;         
00063   DFA_ARC       *arc;           
00064 } DFA_STATE;
00065 
00067 typedef struct {
00068   int term_num;                 
00069   WORD_ID **tw;                 
00070   int *wnum;                    
00071 } TERM_INFO;
00072 
00074 typedef struct {
00075   DFA_STATE *st;                
00076   int maxstatenum;              
00077   int state_num;                
00078   int arc_num;                  
00079   int term_num;                 
00080 
00089   unsigned char **cp;           
00090   unsigned char *cp_begin;      
00091   unsigned char *cp_end;        
00092   unsigned char *cp_root;       
00093   TERM_INFO term;               
00094   boolean *is_sp;               
00095   WORD_ID sp_id;                
00096 } DFA_INFO;
00097 
00098 DFA_INFO *dfa_info_new();
00099 void dfa_info_free(DFA_INFO *dfa);
00100 void dfa_state_init(DFA_INFO *dinfo);
00101 void dfa_state_expand(DFA_INFO *dinfo, int needed);
00102 boolean rddfa(FILE *fp, DFA_INFO *dinfo);
00103 boolean rddfa_fd(int fd, DFA_INFO *dinfo);
00104 boolean rddfa_sd(int sd, DFA_INFO *dinfo);
00105 boolean rddfa_line(char *line, DFA_INFO *dinfo, int *state_max, int *arc_num, int *terminal_max);
00106 void dfa_append(DFA_INFO *dst, DFA_INFO *src, int soffset, int coffset);
00107 
00108 boolean init_dfa(DFA_INFO *dinfo, char *filename);
00109 WORD_ID dfa_symbol_lookup(DFA_INFO *dinfo, char *terminalname);
00110 boolean extract_cpair(DFA_INFO *dinfo);
00111 boolean cpair_append(DFA_INFO *dst, DFA_INFO *src, int coffset);
00112 void print_dfa_info(FILE *fp, DFA_INFO *dinfo);
00113 void print_dfa_cp(FILE *fp, DFA_INFO *dinfo);
00114 boolean dfa_cp(DFA_INFO *dfa, int i, int j);
00115 boolean dfa_cp_begin(DFA_INFO *dfa, int i);
00116 boolean dfa_cp_end(DFA_INFO *dfa, int i);
00117 void set_dfa_cp(DFA_INFO *dfa, int i, int j, boolean value);
00118 void set_dfa_cp_begin(DFA_INFO *dfa, int i, boolean value);
00119 void set_dfa_cp_end(DFA_INFO *dfa, int i, boolean value);
00120 void init_dfa_cp(DFA_INFO *dfa);
00121 void malloc_dfa_cp(DFA_INFO *dfa, int term_num);
00122 void realloc_dfa_cp(DFA_INFO *dfa, int old_term_num, int new_term_num);
00123 void free_dfa_cp(DFA_INFO *dfa);
00124 
00125 
00126 
00127 #include <sent/vocabulary.h>
00128 boolean make_dfa_voca_ref(DFA_INFO *dinfo, WORD_INFO *winfo);
00129 void make_terminfo(TERM_INFO *tinfo, DFA_INFO *dinfo, WORD_INFO *winfo);
00130 void free_terminfo(TERM_INFO *tinfo);
00131 void terminfo_append(TERM_INFO *dst, TERM_INFO *src, int coffset, int woffset);
00132 #include <sent/htk_hmm.h>
00133 void dfa_find_pause_word(DFA_INFO *dfa, WORD_INFO *winfo, HTK_HMM_INFO *hmminfo);
00134 boolean dfa_pause_word_append(DFA_INFO *dst, DFA_INFO *src, int coffset);
00135 boolean read_grammar_from_socket(int sd, DFA_INFO **ret_dfa, WORD_INFO **ret_winfo, HTK_HMM_INFO *hmminfo);
00136 
00137 #endif /* __SENT_DFA_H__ */