libsysprof-analyze: add SysprofDocumentFileChunk

This object will represent frames in the list model which are file chunks.

src/libsysprof-analyze/sysprof-document-file-chunk.c

@@ -0,0 +1,156 @@
+/* sysprof-document-file-chunk.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-frame-private.h"
+
+#include "sysprof-document-file-chunk.h"
+
+struct _SysprofDocumentFileChunk
+{
+  SysprofDocumentFrame parent_instance;
+};
+
+struct _SysprofDocumentFileChunkClass
+{
+  SysprofDocumentFrameClass parent_instance;
+};
+
+enum {
+  PROP_0,
+  PROP_IS_LAST,
+  PROP_SIZE,
+  PROP_PATH,
+  N_PROPS
+};
+
+G_DEFINE_FINAL_TYPE (SysprofDocumentFileChunk, sysprof_document_file_chunk, SYSPROF_TYPE_DOCUMENT_FRAME)
+
+static GParamSpec *properties [N_PROPS];
+
+static void
+sysprof_document_file_chunk_get_property (GObject    *object,
+                                          guint       prop_id,
+                                          GValue     *value,
+                                          GParamSpec *pspec)
+{
+  SysprofDocumentFileChunk *self = SYSPROF_DOCUMENT_FILE_CHUNK (object);
+
+  switch (prop_id)
+    {
+    case PROP_IS_LAST:
+      g_value_set_boolean (value, sysprof_document_file_chunk_get_is_last (self));
+      break;
+
+    case PROP_SIZE:
+      g_value_set_uint (value, sysprof_document_file_chunk_get_size (self));
+      break;
+
+    case PROP_PATH:
+      g_value_set_string (value, sysprof_document_file_chunk_get_path (self));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+sysprof_document_file_chunk_class_init (SysprofDocumentFileChunkClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->get_property = sysprof_document_file_chunk_get_property;
+
+  properties [PROP_IS_LAST] =
+    g_param_spec_boolean ("is-last", NULL, NULL,
+                          FALSE,
+                          (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+
+  properties [PROP_SIZE] =
+    g_param_spec_uint ("size", NULL, NULL,
+                       0, G_MAXUINT16, 0,
+                       (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+
+  properties [PROP_PATH] =
+    g_param_spec_string ("path", NULL, NULL,
+                         NULL,
+                         (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+
+  g_object_class_install_properties (object_class, N_PROPS, properties);
+}
+
+static void
+sysprof_document_file_chunk_init (SysprofDocumentFileChunk *self)
+{
+}
+
+gboolean
+sysprof_document_file_chunk_get_is_last (SysprofDocumentFileChunk *self)
+{
+  const SysprofCaptureFileChunk *file_chunk;
+
+  g_return_val_if_fail (SYSPROF_IS_DOCUMENT_FILE_CHUNK (self), FALSE);
+
+  file_chunk = SYSPROF_DOCUMENT_FRAME_GET (self, SysprofCaptureFileChunk);
+
+  return file_chunk->is_last;
+}
+
+guint
+sysprof_document_file_chunk_get_size (SysprofDocumentFileChunk *self)
+{
+  const SysprofCaptureFileChunk *file_chunk;
+
+  g_return_val_if_fail (SYSPROF_IS_DOCUMENT_FILE_CHUNK (self), FALSE);
+
+  file_chunk = SYSPROF_DOCUMENT_FRAME_GET (self, SysprofCaptureFileChunk);
+
+  return SYSPROF_DOCUMENT_FRAME_UINT16 (self, file_chunk->len);
+}
+
+const char *
+sysprof_document_file_chunk_get_path (SysprofDocumentFileChunk *self)
+{
+  const SysprofCaptureFileChunk *file_chunk;
+
+  g_return_val_if_fail (SYSPROF_IS_DOCUMENT_FILE_CHUNK (self), FALSE);
+
+  file_chunk = SYSPROF_DOCUMENT_FRAME_GET (self, SysprofCaptureFileChunk);
+
+  return SYSPROF_DOCUMENT_FRAME_CSTRING (self, file_chunk->path);
+}
+
+const guint8 *
+sysprof_document_file_chunk_get_data (SysprofDocumentFileChunk *self,
+                                      guint                    *size)
+{
+  const SysprofCaptureFileChunk *file_chunk;
+
+  g_return_val_if_fail (SYSPROF_IS_DOCUMENT_FILE_CHUNK (self), FALSE);
+
+  file_chunk = SYSPROF_DOCUMENT_FRAME_GET (self, SysprofCaptureFileChunk);
+
+  if (size != NULL)
+    *size = sysprof_document_file_chunk_get_size (self);
+
+  return file_chunk->data;
+}