X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Flib%2Ftrace-ir%2Ffield-path.h;fp=src%2Flib%2Ftrace-ir%2Ffield-path.h;h=506c0063d7fe43c8b579bfb9d8b5c440f564f9e4;hb=578e048b5debf169e286e5b5cc747b5d6c16886d;hp=0000000000000000000000000000000000000000;hpb=68b66a256a54d32992dfefeaad11eea88b7df234;p=babeltrace.git

diff --git a/src/lib/trace-ir/field-path.h b/src/lib/trace-ir/field-path.h
new file mode 100644
index 00000000..506c0063
--- /dev/null
+++ b/src/lib/trace-ir/field-path.h
@@ -0,0 +1,90 @@
+#ifndef BABELTRACE_TRACE_IR_FIELD_PATH_INTERNAL
+#define BABELTRACE_TRACE_IR_FIELD_PATH_INTERNAL
+
+/*
+ * Copyright 2016-2018 Philippe Proulx <pproulx@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * The Common Trace Format (CTF) Specification is available at
+ * http://www.efficios.com/ctf
+ */
+
+#include "lib/object.h"
+#include <babeltrace2/trace-ir/field-path-const.h>
+#include "common/assert.h"
+#include <glib.h>
+
+struct bt_field_path_item {
+	enum bt_field_path_item_type type;
+	uint64_t index;
+};
+
+struct bt_field_path {
+	struct bt_object base;
+	enum bt_scope root;
+
+	/* Array of `struct bt_field_path_item` (items) */
+	GArray *items;
+};
+
+BT_HIDDEN
+struct bt_field_path *bt_field_path_create(void);
+
+static inline
+struct bt_field_path_item *bt_field_path_borrow_item_by_index_inline(
+		const struct bt_field_path *field_path, uint64_t index)
+{
+	BT_ASSERT(field_path);
+	BT_ASSERT(index < field_path->items->len);
+	return &g_array_index(field_path->items, struct bt_field_path_item,
+		index);
+}
+
+static inline
+void bt_field_path_append_item(struct bt_field_path *field_path,
+		struct bt_field_path_item *item)
+{
+	BT_ASSERT(field_path);
+	BT_ASSERT(item);
+	g_array_append_val(field_path->items, *item);
+}
+
+static inline
+void bt_field_path_remove_last_item(struct bt_field_path *field_path)
+{
+	BT_ASSERT(field_path);
+	BT_ASSERT(field_path->items->len > 0);
+	g_array_set_size(field_path->items, field_path->items->len - 1);
+}
+
+static inline
+const char *bt_field_path_item_type_string(enum bt_field_path_item_type type)
+{
+	switch (type) {
+	case BT_FIELD_PATH_ITEM_TYPE_INDEX:
+		return "BT_FIELD_PATH_ITEM_TYPE_INDEX";
+	case BT_FIELD_PATH_ITEM_TYPE_CURRENT_ARRAY_ELEMENT:
+		return "BT_FIELD_PATH_ITEM_TYPE_CURRENT_ARRAY_ELEMENT";
+	default:
+		return "(unknown)";
+	}
+};
+
+#endif /* BABELTRACE_TRACE_IR_FIELD_PATH_INTERNAL */