libsysprof-analyze: add support for getting counter values

src/libsysprof-analyze/sysprof-document-counter-value.c

@@ -0,0 +1,124 @@
+/* sysprof-document-counter-value.c
+ *
+ * Copyright 2023 Christian Hergert <chergert@redhat.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#include "config.h"
+
+#include "sysprof-document-counter-value-private.h"
+
+struct _SysprofDocumentCounterValue
+{
+  GObject parent_instance;
+  SysprofDocumentTimedValue value;
+};
+
+enum {
+  PROP_0,
+  PROP_TIME,
+  N_PROPS
+};
+
+G_DEFINE_FINAL_TYPE (SysprofDocumentCounterValue, sysprof_document_counter_value, G_TYPE_OBJECT)
+
+static GParamSpec *properties [N_PROPS];
+
+static void
+sysprof_document_counter_value_get_property (GObject    *object,
+                                             guint       prop_id,
+                                             GValue     *value,
+                                             GParamSpec *pspec)
+{
+  SysprofDocumentCounterValue *self = SYSPROF_DOCUMENT_COUNTER_VALUE (object);
+
+  switch (prop_id)
+    {
+    case PROP_TIME:
+      g_value_set_int64 (value, sysprof_document_counter_value_get_time (self));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+sysprof_document_counter_value_class_init (SysprofDocumentCounterValueClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->get_property = sysprof_document_counter_value_get_property;
+
+  properties [PROP_TIME] =
+    g_param_spec_int64 ("time", NULL, NULL,
+                        G_MININT64, 0, G_MAXINT64,
+                         (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+
+  g_object_class_install_properties (object_class, N_PROPS, properties);
+}
+
+static void
+sysprof_document_counter_value_init (SysprofDocumentCounterValue *self)
+{
+}
+
+SysprofDocumentCounterValue *
+_sysprof_document_counter_value_new (const SysprofDocumentTimedValue *value)
+{
+  SysprofDocumentCounterValue *self;
+
+  self = g_object_new (SYSPROF_TYPE_DOCUMENT_COUNTER_VALUE, NULL);
+  self->value = *value;
+
+  return self;
+}
+
+gint64
+sysprof_document_counter_value_get_time (SysprofDocumentCounterValue *self)
+{
+  g_return_val_if_fail (SYSPROF_IS_DOCUMENT_COUNTER_VALUE (self), 0);
+
+  return self->value.time;
+}
+
+void
+sysprof_document_counter_value_get_value (SysprofDocumentCounterValue *self,
+                                          GValue                      *value)
+{
+  g_return_if_fail (SYSPROF_IS_DOCUMENT_COUNTER_VALUE (self));
+  g_return_if_fail (G_IS_VALUE (value));
+
+  if (G_VALUE_HOLDS_INT64 (value))
+    g_value_set_int64 (value, self->value.v_int64);
+  else if (G_VALUE_HOLDS_DOUBLE (value))
+    g_value_set_double (value, self->value.v_double);
+  else
+    g_warning_once ("Unsupported value type %s", G_VALUE_TYPE_NAME (value));
+}
+
+gint64
+sysprof_document_counter_value_get_value_int64 (SysprofDocumentCounterValue *self)
+{
+  return self->value.v_int64;
+}
+
+double
+sysprof_document_counter_value_get_value_double (SysprofDocumentCounterValue *self)
+{
+  return self->value.v_double;
+}