wip: bound for refactoring

src/dijkstragraph.c

@@ -286,6 +286,7 @@ int dijkstra_path_intersect(struct dijkstra_solver *solver,
 	struct dijkstra_node *disconnected_node;
 	struct dijkstra_path *access_path = NULL;
 	struct dijkstra_path *target_path = NULL;
+	struct dijkstra_net_meta_access *net_meta_access = NULL;
 
 	float p0_x, p0_y, p1_x, p1_y;
 	float p2_x, p2_y, p3_x, p3_y;
@@ -308,8 +309,9 @@ int dijkstra_path_intersect(struct dijkstra_solver *solver,
 	}
 
 	if (access_path) {
+		net_meta_access = (struct dijkstra_net_meta_access *) access_path->net_meta->type_data;
 		if (target_path->net_meta->type != STREET &&
-				!strstr(access_path->net_meta->access, target_path->name)) {
+				!strstr(net_meta_access->access, target_path->name)) {
 			return 0; // Don't intersect if access != name of target
 		}
 	} else {
@@ -464,6 +466,42 @@ struct dijkstra_solver *dijkstra_solver_new()
 	return solver;
 }
 
+struct dijkstra_net_meta_access *dijkstra_net_meta_access_new(char *access) {
+	struct dijkstra_net_meta_access *nma;
+
+	nma = malloc(sizeof(nma));
+	nma->access = strdup(access);
+
+	return nma;
+}
+
+void dijkstra_netmeta_free(struct dijkstra_net_meta *net_meta)
+{
+	struct dijkstra_net_meta_access *nma;
+	struct dijkstra_net_meta_trainline *nmt;
+
+	nma = (struct dijkstra_net_meta_access *) net_meta->type_data;
+	nmt = (struct dijkstra_net_meta_trainline *) net_meta->type_data;
+
+	switch (net_meta->type) {
+	case ACCESS:
+		if (nma->access)
+			free(nma->access);
+		break;
+
+	case TRAINLINE:
+		if (nmt->start)
+			free(nmt->start);
+		if (nmt->end)
+			free(nmt->end);
+		break;
+
+	default:
+		break; // Nothing to do for other types
+	}
+
+	free(net_meta);
+}
 void dijkstra_solver_free(struct dijkstra_solver *solver)
 {
 	GList *l;
@@ -491,9 +529,7 @@ void dijkstra_solver_free(struct dijkstra_solver *solver)
 	for (l = solver->net_metas; l != NULL; l = l->next) {
 		net_meta = (struct dijkstra_net_meta*) l->data;
 		free(net_meta->name);
-		if (net_meta->access)
-			free(net_meta->access);
-		free(net_meta);
+		dijkstra_netmeta_free(net_meta);
 	}
 }
 
@@ -546,7 +582,7 @@ struct dijkstra_node *dijkstra_node_find_closest_node(struct dijkstra_solver *so
 
 struct dijkstra_net_meta *dijkstra_net_meta_new(enum dijkstra_net_type net_type,
 						char *name,
-						char *access)
+						void *type_data)
 {
 	struct dijkstra_net_meta *net_meta;
 
@@ -554,10 +590,7 @@ struct dijkstra_net_meta *dijkstra_net_meta_new(enum dijkstra_net_type net_type,
 	if (net_meta) {
 		net_meta->type = net_type;
 		net_meta->name = strdup(name);
-		if (access)
-			net_meta->access = strdup(access);
-		else
-			net_meta->access = NULL;
+		net_meta->type_data = type_data;
 	}
 
 	return net_meta;
@@ -576,10 +609,16 @@ struct dijkstra_net_meta *dijkstra_net_meta_new_to_list(struct dijkstra_solver *
 
 	for (l = solver->net_metas; l != NULL; l = l->next) {
 		net_meta = l->data;
-		if (net_meta->type == net_type &&
-				!strcmp(net_meta->name, name) &&
-				(net_meta->access && (!strcmp(net_meta->access, access)))) {
-			return net_meta;
+		if (net_meta->type == net_type && !strcmp(net_meta->name, name)) {
+			switch (net_meta->type) {
+			case ACCESS:
+				if (!strcmp(((struct dijkstra_net_meta_access *)net_meta->type_data)->access, access))
+					return net_meta;
+				break;
+			default:
+				return net_meta;
+				break;
+			}
 		}
 	}
 

src/dijkstragraph.h

@@ -23,10 +23,19 @@ struct position {
 
 enum dijkstra_net_type {STREET, TRAINLINE, ACCESS};
 
+struct dijkstra_net_meta_access {
+	char *access;
+};
+
+struct dijkstra_net_meta_trainline {
+	char *start;
+	char *end;
+};
+
 struct dijkstra_net_meta {
 	char *name;
 	enum dijkstra_net_type type;
-	char *access;
+	void *type_data;
 };
 
 struct dijkstra_path {

src/geojson.c

@@ -27,6 +27,8 @@ int add_geojson_to_dijkstra(struct dijkstra_solver *solver,
 
 	enum dijkstra_net_type net_type;
 	struct dijkstra_net_meta *net_meta;
+	void *type_data = NULL;
+	struct dijkstra_net_meta_access *net_meta_access = NULL;
 
 	struct _stats {
 		int nodes;
@@ -77,14 +79,23 @@ int add_geojson_to_dijkstra(struct dijkstra_solver *solver,
 				json_reader_read_member(reader, "name");
 				name = strdup(json_reader_get_string_value(reader));
 				json_reader_end_member(reader); // name
-				json_reader_end_member(reader); // properties
 
-				if (net_type == ACCESS) {
+				switch (net_type) {
+				case TRAINLINE:
+					json_reader_read_member(reader, "start");
+					name = strdup(json_reader_get_string_value(reader));
+					json_reader_end_member(reader); // name
+					break;
+
+				case ACCESS:
+					net_meta_access = netmeta;
+					// TODO: problem, I only know whether to alloc this when I have called new_to_list.....
+					// I'll deal with this some other day.
 					access = name;
 					name = strchr(name, ':');
 					if (name == NULL) {
 						report(LL_ERROR,
-						       "Invalid name for accesss. '%s'",
+						       "Invalid name for access. '%s'",
 						       access);
 						g_object_unref(reader);
 						continue;
@@ -93,12 +104,18 @@ int add_geojson_to_dijkstra(struct dijkstra_solver *solver,
 					do
 						name++;
 					while (*name == ' ' && *name != '\0');
+					break;
+
+				default:
+					break; // Other types have no special fields
 				}
 
+				json_reader_end_member(reader); // properties
+
 				json_reader_read_member(reader, "geometry");
 				json_reader_read_member(reader, "coordinates");
 				z_last = 0; // By default, let's assume height 0
-				net_meta = dijkstra_net_meta_new_to_list(solver, net_type, name, access);
+				net_meta = dijkstra_net_meta_new_to_list(solver, net_type, name, type_data);
 				if (json_reader_is_array(reader)) {
 					j_max = json_reader_count_elements(reader);
 					for (j = 0; j < j_max; j++) {