CTF IR -> Trace IR

[babeltrace.git] / lib / trace-ir / field-path.c

diff --git a/lib/trace-ir/field-path.c b/lib/trace-ir/field-path.c
new file mode 100644 (file)
index 0000000..65d2f72
--- /dev/null
+++ b/lib/trace-ir/field-path.c
@@ -0,0 +1,101 @@
+/*
+ * field-path.c
+ *
+ * Babeltrace trace IR - Field path
+ *
+ * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright 2016 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.
+ */
+
+#define BT_LOG_TAG "FIELD-PATH"
+#include <babeltrace/lib-logging-internal.h>
+
+#include <babeltrace/assert-pre-internal.h>
+#include <babeltrace/trace-ir/field-types.h>
+#include <babeltrace/trace-ir/field-types-internal.h>
+#include <babeltrace/trace-ir/field-path-internal.h>
+#include <babeltrace/trace-ir/field-path.h>
+#include <limits.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <babeltrace/assert-internal.h>
+#include <glib.h>
+
+static
+void destroy_field_path(struct bt_object *obj)
+{
+       struct bt_field_path *field_path = (struct bt_field_path *) obj;
+
+       BT_ASSERT(field_path);
+       BT_LIB_LOGD("Destroying field path: %!+P", field_path);
+       g_array_free(field_path->indexes, TRUE);
+       g_free(field_path);
+}
+
+BT_HIDDEN
+struct bt_field_path *bt_field_path_create(void)
+{
+       struct bt_field_path *field_path = NULL;
+
+       BT_LOGD_STR("Creating empty field path object.");
+
+       field_path = g_new0(struct bt_field_path, 1);
+       if (!field_path) {
+               BT_LOGE_STR("Failed to allocate one field path.");
+               goto error;
+       }
+
+       bt_object_init_shared(&field_path->base, destroy_field_path);
+       field_path->indexes = g_array_new(FALSE, FALSE, sizeof(uint64_t));
+       if (!field_path->indexes) {
+               BT_LOGE_STR("Failed to allocate a GArray.");
+               goto error;
+       }
+
+       BT_LIB_LOGD("Created empty field path object: %!+P", field_path);
+       goto end;
+
+error:
+       BT_PUT(field_path);
+
+end:
+       return field_path;
+}
+
+enum bt_scope bt_field_path_get_root_scope(struct bt_field_path *field_path)
+{
+       BT_ASSERT_PRE_NON_NULL(field_path, "Field path");
+       return field_path->root;
+}
+
+uint64_t bt_field_path_get_index_count(struct bt_field_path *field_path)
+{
+       BT_ASSERT_PRE_NON_NULL(field_path, "Field path");
+       return (uint64_t) field_path->indexes->len;
+}
+
+uint64_t bt_field_path_get_index_by_index(struct bt_field_path *field_path,
+               uint64_t index)
+{
+       BT_ASSERT_PRE_NON_NULL(field_path, "Field path");
+       BT_ASSERT_PRE_VALID_INDEX(index, field_path->indexes->len);
+       return bt_field_path_get_index_by_index_inline(field_path, index);
+}