[tepl] Dumb FileSaver: dumb re-implementation

[Sébastien Wilmet <swilmet src gnome org>]

commit 9b99827757a3558a5603db777b502fcac3d3f4f1
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Tue May 12 18:15:10 2020 +0200

    Dumb FileSaver: dumb re-implementation
    
    More features will be re-added later.

 tepl/tepl-file-saver.c | 72 +++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 68 insertions(+), 4 deletions(-)
---
diff --git a/tepl/tepl-file-saver.c b/tepl/tepl-file-saver.c
index 66edb86..b1ac444 100644
--- a/tepl/tepl-file-saver.c
+++ b/tepl/tepl-file-saver.c
@@ -6,6 +6,7 @@
  */
 
 #include "tepl-file-saver.h"
+#include <string.h>
 #include "tepl-enum-types.h"
 
 /**
@@ -57,7 +58,7 @@ struct _TeplFileSaverPrivate
 typedef struct _TaskData TaskData;
 struct _TaskData
 {
-       gint something;
+       gchar *buffer_content;
 };
 
 static GParamSpec *properties[N_PROPERTIES];
@@ -73,7 +74,11 @@ task_data_new (void)
 static void
 task_data_free (TaskData *data)
 {
-       g_free (data);
+       if (data != NULL)
+       {
+               g_free (data->buffer_content);
+               g_free (data);
+       }
 }
 
 static void
@@ -478,6 +483,65 @@ tepl_file_saver_get_flags (TeplFileSaver *saver)
        return saver->priv->flags;
 }
 
+static void
+get_all_buffer_content (GTask *task)
+{
+       TeplFileSaver *saver = g_task_get_source_object (task);
+       TaskData *task_data = g_task_get_task_data (task);
+       GtkTextIter start;
+       GtkTextIter end;
+
+       gtk_text_buffer_get_bounds (GTK_TEXT_BUFFER (saver->priv->buffer), &start, &end);
+
+       g_free (task_data->buffer_content);
+       task_data->buffer_content = gtk_text_buffer_get_text (GTK_TEXT_BUFFER (saver->priv->buffer),
+                                                             &start,
+                                                             &end,
+                                                             TRUE);
+}
+
+static void
+save_all_buffer_content_cb (GObject      *source_object,
+                           GAsyncResult *result,
+                           gpointer      user_data)
+{
+       GFile *location = G_FILE (source_object);
+       GTask *task = G_TASK (user_data);
+       GError *error = NULL;
+
+       g_file_replace_contents_finish (location, result, NULL, &error);
+
+       if (error != NULL)
+       {
+               g_task_return_error (task, error);
+               g_object_unref (task);
+               return;
+       }
+
+       g_task_return_boolean (task, TRUE);
+       g_object_unref (task);
+}
+
+static void
+save_all_buffer_content (GTask *task)
+{
+       TeplFileSaver *saver = g_task_get_source_object (task);
+       TaskData *task_data = g_task_get_task_data (task);
+       gboolean make_backup;
+
+       make_backup = (saver->priv->flags & TEPL_FILE_SAVER_FLAGS_CREATE_BACKUP) != 0;
+
+       g_file_replace_contents_async (saver->priv->location,
+                                      task_data->buffer_content,
+                                      strlen (task_data->buffer_content),
+                                      NULL,
+                                      make_backup,
+                                      G_FILE_CREATE_NONE,
+                                      g_task_get_cancellable (task),
+                                      save_all_buffer_content_cb,
+                                      task);
+}
+
 /**
  * tepl_file_saver_save_async:
  * @saver: a #TeplFileSaver.
@@ -524,8 +588,8 @@ tepl_file_saver_save_async (TeplFileSaver       *saver,
                return;
        }
 
-       g_task_return_boolean (task, TRUE);
-       g_object_unref (task);
+       get_all_buffer_content (task);
+       save_all_buffer_content (task);
 }
 
 /**