1 #include "xbt/automaton.h"
3 xbt_automaton_t xbt_automaton_new_automaton(){
4 xbt_automaton_t automaton = NULL;
5 automaton = xbt_new0(struct xbt_automaton, 1);
6 automaton->states = xbt_dynar_new(sizeof(xbt_state_t), NULL);
7 automaton->transitions = xbt_dynar_new(sizeof(xbt_transition_t), NULL);
8 automaton->propositional_symbols = xbt_dynar_new(sizeof(xbt_propositional_symbol_t), NULL);
12 xbt_state_t xbt_automaton_new_state(xbt_automaton_t a, int type, char* id){
13 xbt_state_t state = NULL;
14 state = xbt_new0(struct xbt_state, 1);
16 state->id = strdup(id);
17 state->in = xbt_dynar_new(sizeof(xbt_transition_t), NULL);
18 state->out = xbt_dynar_new(sizeof(xbt_transition_t), NULL);
19 xbt_dynar_push(a->states, &state);
23 xbt_transition_t xbt_automaton_new_transition(xbt_automaton_t a, xbt_state_t src, xbt_state_t dst, xbt_exp_label_t label){
24 xbt_transition_t transition = NULL;
25 transition = xbt_new0(struct xbt_transition, 1);
27 xbt_dynar_push(src->out, &transition);
28 transition->src = src;
31 xbt_dynar_push(dst->in, &transition);
32 transition->dst = dst;
34 transition->label = label;
35 xbt_dynar_push(a->transitions, &transition);
39 xbt_exp_label_t xbt_automaton_new_label(int type, ...){
40 xbt_exp_label_t label = NULL;
41 label = xbt_new0(struct xbt_exp_label, 1);
48 xbt_exp_label_t left = va_arg(ap, xbt_exp_label_t);
49 xbt_exp_label_t right = va_arg(ap, xbt_exp_label_t);
50 label->u.or_and.left_exp = left;
51 label->u.or_and.right_exp = right;
55 xbt_exp_label_t left = va_arg(ap, xbt_exp_label_t);
56 xbt_exp_label_t right = va_arg(ap, xbt_exp_label_t);
57 label->u.or_and.left_exp = left;
58 label->u.or_and.right_exp = right;
62 xbt_exp_label_t exp_not = va_arg(ap, xbt_exp_label_t);
63 label->u.exp_not = exp_not;
67 char* p = va_arg(ap, char*);
68 label->u.predicat = strdup(p);
77 xbt_dynar_t xbt_automaton_get_states(xbt_automaton_t a){
81 xbt_dynar_t xbt_automaton_get_transitions(xbt_automaton_t a){
82 return a->transitions;
85 xbt_transition_t xbt_automaton_get_transition(xbt_automaton_t a, xbt_state_t src, xbt_state_t dst){
86 xbt_transition_t transition;
88 xbt_dynar_foreach(src->out, cursor, transition){
89 if((transition->src == src) && (transition->dst == dst))
95 void xbt_automaton_free_automaton(xbt_automaton_t a, void_f_pvoid_t transition_free_function){
96 unsigned int cursor = 0;
97 xbt_state_t state = NULL;
98 xbt_transition_t transition = NULL;
100 xbt_dynar_foreach(a->states, cursor, state){
101 xbt_dynar_free(&(state->out));
102 xbt_dynar_free(&(state->in));
105 xbt_dynar_foreach(a->transitions, cursor, transition){
106 if(transition_free_function)
107 (*transition_free_function) (transition->label);
110 xbt_dynar_foreach(a->states, cursor, state)
112 xbt_dynar_free(&(a->states));
114 xbt_dynar_foreach(a->transitions, cursor, state)
116 xbt_dynar_free(&(a->transitions));
123 void xbt_automaton_free_state(xbt_automaton_t a, xbt_state_t s, void_f_pvoid_t transition_free_function){
126 unsigned int cursor = 0;
127 xbt_state_t state = NULL;
128 xbt_transition_t transition = NULL;
130 nbr = xbt_dynar_length(a->transitions);
131 for(i = 0; i <nbr; i++){
132 xbt_dynar_get_cpy(a->transitions, cursor, &transition);
133 if((transition->src == s) || (transition->dst == s)){
134 xbt_automaton_free_transition(a, transition, transition_free_function);
141 xbt_dynar_foreach(a->states, cursor, state)
143 xbt_dynar_cursor_rm(a->states, &cursor);
145 xbt_dynar_free(&(s->in));
146 xbt_dynar_free(&(s->out));
153 void xbt_automaton_free_transition(xbt_automaton_t a, xbt_transition_t t, void_f_pvoid_t transition_free_function){
155 unsigned int cursor = 0;
156 xbt_transition_t transition = NULL;
158 if((transition_free_function) && (t->label))
159 (*transition_free_function) (t->label);
161 xbt_dynar_foreach(a->transitions, cursor, transition) {
163 index = __xbt_find_in_dynar(transition->dst->in, transition);
164 xbt_dynar_remove_at(transition->dst->in, index, NULL);
165 index = __xbt_find_in_dynar(transition->src->out, transition);
166 xbt_dynar_remove_at(transition->src->out, index, NULL);
167 xbt_dynar_cursor_rm(a->transitions, & cursor);
174 xbt_state_t xbt_automaton_transition_get_source(xbt_transition_t t){
178 xbt_state_t xbt_automaton_transition_get_destination(xbt_transition_t t){
182 void xbt_automaton_transition_set_source(xbt_transition_t t, xbt_state_t src){
184 xbt_dynar_push(src->out,&t);
187 void xbt_automaton_transition_set_destination(xbt_transition_t t, xbt_state_t dst){
189 xbt_dynar_push(dst->in,&t);
192 xbt_dynar_t xbt_automaton_state_get_out_transitions(xbt_state_t s){
196 xbt_dynar_t xbt_automaton_state_get_in_transitions(xbt_state_t s){
200 xbt_state_t xbt_automaton_state_exists(xbt_automaton_t a, char *id){
201 xbt_state_t state = NULL;
202 unsigned int cursor = 0;
203 xbt_dynar_foreach(a->states, cursor, state){
204 if(strcmp(state->id, id)==0)
210 void xbt_automaton_display(xbt_automaton_t a){
211 unsigned int cursor = 0;
212 xbt_state_t state = NULL;
214 printf("\n\nEtat courant : %s\n", a->current_state->id);
216 printf("\nListe des états : %lu\n\n", xbt_dynar_length(a->states));
219 xbt_dynar_foreach(a->states, cursor, state){
220 printf("ID : %s, type : %d\n", state->id, state->type);
224 xbt_transition_t transition = NULL;
225 printf("\nListe des transitions : %lu\n\n", xbt_dynar_length(a->transitions));
227 xbt_dynar_foreach(a->transitions, cursor, transition){
229 xbt_automaton_display_exp(transition->label);
230 printf(", %s -> %s\n", transition->src->id, transition->dst->id);
234 void xbt_automaton_display_exp(xbt_exp_label_t label){
239 xbt_automaton_display_exp(label->u.or_and.left_exp);
241 xbt_automaton_display_exp(label->u.or_and.right_exp);
246 xbt_automaton_display_exp(label->u.or_and.left_exp);
248 xbt_automaton_display_exp(label->u.or_and.right_exp);
253 xbt_automaton_display_exp(label->u.exp_not);
257 printf("(%s)",label->u.predicat);
266 xbt_state_t xbt_automaton_get_current_state(xbt_automaton_t a){
267 return a->current_state;
270 xbt_propositional_symbol_t xbt_new_propositional_symbol(xbt_automaton_t a, const char* id, void* fct){
271 xbt_propositional_symbol_t prop_symb = NULL;
272 prop_symb = xbt_new0(struct xbt_propositional_symbol, 1);
273 prop_symb->pred = strdup(id);
274 prop_symb->function = fct;
275 xbt_dynar_push(a->propositional_symbols, &prop_symb);
279 int automaton_state_compare(xbt_state_t s1, xbt_state_t s2){
281 /* single id for each state, id and type sufficient for comparison*/
283 if(strcmp(s1->id, s2->id))
286 if(s1->type != s2->type)
293 int automaton_transition_compare(const void *t1, const void *t2){
295 if(automaton_state_compare(((xbt_transition_t)t1)->src, ((xbt_transition_t)t2)->src))
298 if(automaton_state_compare(((xbt_transition_t)t1)->dst, ((xbt_transition_t)t2)->dst))
301 if(automaton_label_transition_compare(((xbt_transition_t)t1)->label,((xbt_transition_t)t2)->label))
308 int automaton_label_transition_compare(xbt_exp_label_t l1, xbt_exp_label_t l2){
310 if(l1->type != l2->type)
317 if(automaton_label_transition_compare(l1->u.or_and.left_exp, l2->u.or_and.left_exp))
320 return automaton_label_transition_compare(l1->u.or_and.right_exp, l2->u.or_and.right_exp);
324 return automaton_label_transition_compare(l1->u.exp_not, l2->u.exp_not);
328 return (strcmp(l1->u.predicat, l2->u.predicat));
344 int propositional_symbols_compare_value(xbt_dynar_t s1, xbt_dynar_t s2){
348 unsigned int nb_elem = xbt_dynar_length(s1);
350 for(cursor=0;cursor<nb_elem;cursor++){
351 iptr1 = xbt_dynar_get_ptr(s1, cursor);
352 iptr2 = xbt_dynar_get_ptr(s2, cursor);