add eiotas_particle_has_dst with tests

3 files changed, 21 insertions, 1 deletions

diff --git a/src/include/eiotas_particle.h b/src/include/eiotas_particle.h
index f094904..4461945 100644
--- a/src/include/eiotas_particle.h
+++ b/src/include/eiotas_particle.h
@@ -43,6 +43,7 @@ struct _Eiotas_Particle {
     Eiotas_Iota         *src;           /**< where it's born */
     Eiotas_Iota         *dst;           /**< current destination */
     Eina_Array          *dsts;          /**< array of destinatinon strings */
+    unsigned int        cur_dst;        /**< current destination index */
     Eina_Hash           *payload;       /**< string data carried by this particle */
     Eina_Inlist         *merged;        /**< list of merged particles */
     Eina_Array          *link_fields;   /**< fields used to generate the link value */
@@ -97,6 +98,15 @@ EAPI void eiotas_particle_init(Eiotas_Particle *particle, Eiotas_Iota *iota);
 EAPI void eiotas_particle_merge(Eiotas_Particle *particle, const Eiotas_Particle *p);
 
 /**
+ * @brief Check if a current destination is defined
+ *
+ * @param particle The @ref Eiotas_Particle to check
+ *
+ * @return EINA_TRUE if a current destination is defined, EINA_FALSE otherwise.
+ */
+EAPI Eina_Bool eiotas_particle_has_dst(Eiotas_Particle *particle);
+
+/**
  * @brief Add destinations to the @ref Eiotas_Particle
  *
  * @param particle The @ref Eiotas_Particle to add destinations to
@@ -147,7 +157,7 @@ EAPI Eina_Bool eiotas_particle_data_set(Eiotas_Particle *particle, const char *k
 EAPI Eina_Bool eiotas_particle_data_del(Eiotas_Particle *particle, const char *key);
 
 /**
- * @brief Check if two @ref Eiotas_Particle have the same lnk_value
+ * @brief Check if two @ref Eiotas_Particle have the same link_value
  *
  * @param particle The @ref Eiotas_Particle to compare with
  * @param p The @ref Eiotas_Particle to compare with
diff --git a/src/lib/eiotas_particle.c b/src/lib/eiotas_particle.c
index 74e1d23..ea00b5c 100644
--- a/src/lib/eiotas_particle.c
+++ b/src/lib/eiotas_particle.c
@@ -33,6 +33,7 @@ Eiotas_Particle* eiotas_particle_alloc()
     particle->merged = NULL;
     particle->link_fields = eina_array_new(EIOTAS_PARTICLE_ARRAY_STEP);
     particle->link_value = NULL;
+    particle->cur_dst = 0;
 
     return particle;
 }
@@ -91,6 +92,12 @@ EAPI void eiotas_particle_merge(Eiotas_Particle *particle, const Eiotas_Particle
     particle->merged = eina_inlist_append(particle->merged, EINA_INLIST_GET((Eiotas_Particle*)p));
 }
 
+EAPI Eina_Bool eiotas_particle_has_dst(Eiotas_Particle *particle)
+{
+    if(eina_array_count_get(particle->dsts)<=particle->cur_dst) return EINA_FALSE;
+    return ( (eina_array_data_get(particle->dsts,particle->cur_dst)==NULL) ? EINA_FALSE : EINA_TRUE );
+}
+
 EAPI void eiotas_particle_destinations_add(Eiotas_Particle *particle, const char* destinations)
 {
     int n;
diff --git a/tests/particle.c b/tests/particle.c
index 823ac12..2734eff 100644
--- a/tests/particle.c
+++ b/tests/particle.c
@@ -11,7 +11,10 @@ void test_particle()
 
     p0 = eiotas_require_particle(dom0);
 
+    check_cond(!eiotas_particle_has_dst(p0),"should be no destination");
+
     eiotas_particle_destinations_add(p0,"dom0/room0/door0?get");
+    check_cond(eiotas_particle_has_dst(p0),"should be a destination");
     eiotas_particle_destinations_add(p0," dom0/room0/door0?get ");
     eiotas_particle_destinations_add(p0,"    dom0/room0/door0?get   ");
     eiotas_particle_destinations_add(p0,"dom0/room0/room1/doorx?get,door?get,dom0/room0/door0?get");