implement kai_read_accessor()

1 files changed, 32 insertions, 0 deletions

diff --git a/src/geometry/geometry.c b/src/geometry/geometry.c
index 6f6cbae..6c84b11 100644
--- a/src/geometry/geometry.c
+++ b/src/geometry/geometry.c
@@ -52,3 +52,35 @@ int kai_read_param(struct ka_param_t *dest, struct kai_tag_t *src)
 
 	return 0;
 }
+
+
+int kai_read_accessor(struct ka_accessor_t *dest, struct kai_tag_t *src)
+{
+	CHECK_TAG_TYPE("accessor");
+
+	long count = kai_tag_attr_to_long(src, "count", -1);
+	if (count == -1) { return -1; }
+	char *source = kai_tag_attr_to_dup(src, "source");
+	if (source == NULL) { return -1; }
+
+	dest->count = count;
+	dest->offset = kai_tag_attr_to_long(src, "offset", 0);
+	dest->source = source;
+	dest->stride = kai_tag_attr_to_long(src, "stride", 1);
+
+	dest->param_count = kai_tag_num_children(src);
+	dest->param = malloc(dest->param_count * sizeof(struct ka_param_t));
+	struct kai_tag_t *t = src->children;
+	int i;
+	for (i=0; i<dest->param_count; i++) {
+		int result = kai_read_param(dest->param + i, t);
+		if (result != 0) {
+			free(dest->param);
+			free(dest->source);
+			return -1;
+		}
+		t = t->next;
+	}
+
+	return 0;
+}