add kai_read_vertices()

1 files changed, 53 insertions, 0 deletions

diff --git a/src/geometry/geometry.c b/src/geometry/geometry.c
index 0bc8602..ea04fd3 100644
--- a/src/geometry/geometry.c
+++ b/src/geometry/geometry.c
@@ -205,3 +205,56 @@ void kai_release_input(struct ka_input_t i)
 	free(i.source);
 }
 
+
+int kai_read_vertices(struct ka_vertices_t *dest, struct kai_tag_t *src)
+{
+	CHECK_TAG_TYPE("vertices");
+
+	char *id = kai_tag_attr_to_dup(src, "id");
+	if (id == NULL) { return -1; }
+
+	dest->id = id;
+	dest->name = kai_tag_attr_to_dup(src, "name");
+
+	/* count input children */
+	int count = 0;
+	struct kai_tag_t *child;
+	for (child = src->children; child != NULL; child = child->next) {
+		if (strcmp(child->type, "input") == 0) { count += 1; }
+	}
+
+	dest->input_count = count;
+	dest->input = malloc(count * sizeof(struct ka_input_t));
+	if (dest->input == NULL) {
+		kai_release_vertices(*dest);
+		return -1;
+	}
+
+	int i=0;
+	for (child = src->children; child != NULL; child = child->next) {
+		if (strcmp(child->type, "input") == 0) {
+			int result = kai_read_input_unshared(dest->input + i, child);
+			if (result != 0) {
+				dest->input_count = i;
+				kai_release_vertices(*dest);
+				return -1;
+			}
+			i += 1;
+		}
+	}
+
+	return 0;
+}
+
+void kai_release_vertices(struct ka_vertices_t v)
+{
+	free(v.id);
+	free(v.name);
+	int i;
+	for (i=0; i<v.input_count; i++) {
+		kai_release_input(v.input[i]);
+	}
+	free(v.input);
+}
+
+