diff options
| -rw-r--r-- | src/ld-diagram.c | 58 |
1 files changed, 51 insertions, 7 deletions
diff --git a/src/ld-diagram.c b/src/ld-diagram.c index 49bfc9e..7a6694c 100644 --- a/src/ld-diagram.c +++ b/src/ld-diagram.c @@ -54,6 +54,8 @@ static void ld_diagram_set_property (GObject *object, guint property_id, static void ld_diagram_dispose (GObject *gobject); static void ld_diagram_finalize (GObject *gobject); +static gboolean write_signature (GOutputStream *stream, GError **error); + static void ld_diagram_real_changed (LdDiagram *self); static void ld_diagram_clear_internal (LdDiagram *self); static void ld_diagram_unselect_all_internal (LdDiagram *self); @@ -279,13 +281,37 @@ gboolean ld_diagram_save_to_file (LdDiagram *self, const gchar *filename, GError **error) { + GFile *file; + GFileOutputStream *file_stream; JsonGenerator *generator; JsonNode *root; - GError *json_error; + GError *local_error; g_return_val_if_fail (LD_IS_DIAGRAM (self), FALSE); g_return_val_if_fail (filename != NULL, FALSE); + file = g_file_new_for_path (filename); + + local_error = NULL; + file_stream = g_file_replace (file, NULL, FALSE, + G_FILE_CREATE_NONE, NULL, &local_error); + g_object_unref (file); + + if (local_error) + { + g_propagate_error (error, local_error); + return FALSE; + } + + local_error = NULL; + write_signature (G_OUTPUT_STREAM (file_stream), &local_error); + if (local_error) + { + g_object_unref (file_stream); + g_propagate_error (error, local_error); + return FALSE; + } + /* TODO: Implement saving for real. This is just a stub. */ generator = json_generator_new (); g_object_set (generator, "pretty", TRUE, NULL); @@ -295,15 +321,33 @@ ld_diagram_save_to_file (LdDiagram *self, json_generator_set_root (generator, root); json_node_free (root); - json_error = NULL; - json_generator_to_file (generator, filename, &json_error); - if (json_error) + local_error = NULL; + json_generator_to_stream (generator, G_OUTPUT_STREAM (file_stream), + NULL, &local_error); + g_object_unref (file_stream); + g_object_unref (generator); + + if (local_error) { - g_propagate_error (error, json_error); - g_object_unref (generator); + g_propagate_error (error, local_error); + return FALSE; + } + return TRUE; +} + +static gboolean +write_signature (GOutputStream *stream, GError **error) +{ + static const gchar signature[] = "/* logdiag diagram */\n"; + GError *local_error = NULL; + + g_output_stream_write (stream, signature, sizeof (signature) - 1, + NULL, &local_error); + if (local_error) + { + g_propagate_error (error, local_error); return FALSE; } - g_object_unref (generator); return TRUE; } |