lib: fully detach CTF IR and CTF writer implementations

[babeltrace.git] / lib / ctf-writer / field-wrapper.c

diff --git a/lib/ctf-writer/field-wrapper.c b/lib/ctf-writer/field-wrapper.c
new file mode 100644 (file)
index 0000000..254f744
--- /dev/null
+++ b/lib/ctf-writer/field-wrapper.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright 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.
+ */
+
+#define BT_LOG_TAG "CTF-WRITER-FIELD-WRAPPER"
+#include <babeltrace/lib-logging-internal.h>
+
+#include <babeltrace/ctf-writer/field-wrapper-internal.h>
+#include <babeltrace/ctf-writer/fields-internal.h>
+#include <babeltrace/object-pool-internal.h>
+#include <babeltrace/object-internal.h>
+#include <glib.h>
+
+BT_HIDDEN
+struct bt_ctf_field_wrapper *bt_ctf_field_wrapper_new(void *data)
+{
+       struct bt_ctf_field_wrapper *field_wrapper =
+               g_new0(struct bt_ctf_field_wrapper, 1);
+
+       BT_LOGD_STR("Creating empty field wrapper object.");
+
+       if (!field_wrapper) {
+               BT_LOGE("Failed to allocate one field wrapper.");
+               goto end;
+       }
+
+       bt_object_init_unique(&field_wrapper->base);
+       BT_LOGD("Created empty field wrapper object: addr=%p",
+               field_wrapper);
+
+end:
+       return field_wrapper;
+}
+
+BT_HIDDEN
+void bt_ctf_field_wrapper_destroy(struct bt_ctf_field_wrapper *field_wrapper)
+{
+       BT_LOGD("Destroying field wrapper: addr=%p", field_wrapper);
+       BT_ASSERT(!field_wrapper->field);
+       BT_LOGD_STR("Putting stream class.");
+       g_free(field_wrapper);
+}
+
+BT_HIDDEN
+struct bt_ctf_field_wrapper *bt_ctf_field_wrapper_create(
+               struct bt_object_pool *pool, struct bt_ctf_field_type *ft)
+{
+       struct bt_ctf_field_wrapper *field_wrapper = NULL;
+
+       BT_ASSERT(pool);
+       BT_ASSERT(ft);
+       field_wrapper = bt_object_pool_create_object(pool);
+       if (!field_wrapper) {
+               BT_LIB_LOGE("Cannot allocate one field wrapper from field wrapper pool: "
+                       "%![pool-]+o", pool);
+               goto error;
+       }
+
+       BT_ASSERT(field_wrapper->field);
+       goto end;
+
+error:
+       if (field_wrapper) {
+               bt_ctf_field_wrapper_destroy(field_wrapper);
+               field_wrapper = NULL;
+       }
+
+end:
+       return field_wrapper;
+}