Update 'cv7/a_station.c'

cv7/a_station.c

@@ -0,0 +1,83 @@
+#include "a_station.h"
+#include <stdlib.h>
+#include <string.h>
+
+
+struct station* create_station(){
+struct station* station = (struct station*)calloc(1,sizeof(struct station));
+        station->tracks = (struct car**)calloc(STATION_SIZE, sizeof(struct car*));
+        station->track_count = STATION_SIZE;
+                return station;
+}
+
+void destroy_station(struct station* station){
+        for (int i = 0; i < station->track_count; i++) {
+                struct car* eto = station->tracks[i];
+                while (eto != NULL) {
+                        struct car* delete = eto;
+                        eto = delete->next;
+                        free(delet);
+                }
+        }
+
+        free(station->tracks);
+        free(station);
+}
+
+int select_track(struct station* station, const char* target){
+        if (target[0] >= 'A' && target[0] <= 'Z') {
+        return target[0] - 'A';
+
+        } else if (target[0] >= 'a' && target[0] <= 'z') {
+        return target[0] - 'a';
+
+        } else {
+        return 0;
+        }
+}
+
+void add_target_capacity(struct station* station,const char* target, int capacity){
+        int track = select_track(station, target);
+        struct car* new_car = (struct car*)malloc(sizeof(struct car));
+                strncpy(new_car->value, target, TARGET_SIZE);
+                new_car->capacity = capacity;
+                new_car->next = station->tracks[track];
+                station->tracks[track] = new_car;
+}
+
+int get_target_capacity(struct station* station,const char* target){
+        int track = select_track(station, target);
+        struct car* aktualna = station->tracks[track];
+        while (aktualna != NULL) {
+                if (strcmp(aktualna->value, target) == 0) {
+                return aktualna->capacity;
+                }
+
+                aktualna = aktualna->next;
+        }
+        return 0;
+}
+
+int count_targets(struct station* station){
+    int count = 0;
+    for (int i = 0; i < station->track_count; i++) {
+        struct car* aktualna = station->tracks[i];
+        while (aktualna != NULL) {
+            count++;
+            aktualna = aktualna->next;
+        }
+    }
+        return count;
+}
+
+int count_capacity(struct station* station){
+        int total_capacity = 0;
+        for (int i = 0; i < station->track_count; i++) {
+        struct car* aktualna = station->tracks[i];
+                while (aktualna != NULL) {
+                total_capacity += aktualna->capacity;
+                aktualna = aktualna->next;
+                }
+        }
+        return total_capacity;
+}