[gnome-builder] buffer: add helper to get IdeSourceLocation for an iter

[Christian Hergert <chergert src gnome org>]

commit b7cd7c20289981643970d149c4fc56d77d417dde
Author: Christian Hergert <chergert redhat com>
Date:   Tue Oct 25 23:01:45 2016 -0700

    buffer: add helper to get IdeSourceLocation for an iter

 libide/buffers/ide-buffer.c |   44 +++++++++++++++++++++++++++++++++++++++++++
 libide/buffers/ide-buffer.h |    3 ++
 2 files changed, 47 insertions(+), 0 deletions(-)
---
diff --git a/libide/buffers/ide-buffer.c b/libide/buffers/ide-buffer.c
index 79c73a2..c8835ae 100644
--- a/libide/buffers/ide-buffer.c
+++ b/libide/buffers/ide-buffer.c
@@ -2745,3 +2745,47 @@ ide_buffer_get_uri (IdeBuffer *self)
 
   return g_file_get_uri (gfile);
 }
+
+/**
+ * ide_buffer_get_iter_location:
+ *
+ * Gets the location of the iter as an #IdeSourceLocation.
+ *
+ * Returns: (transfer full): An #IdeSourceLocation
+ */
+IdeSourceLocation *
+ide_buffer_get_iter_location (IdeBuffer         *self,
+                              const GtkTextIter *iter)
+{
+  IdeBufferPrivate *priv = ide_buffer_get_instance_private (self);
+
+  g_return_val_if_fail (IDE_IS_BUFFER (self), NULL);
+  g_return_val_if_fail (iter != NULL, NULL);
+  g_return_val_if_fail (gtk_text_iter_get_buffer (iter) == GTK_TEXT_BUFFER (self), NULL);
+
+  return ide_source_location_new (priv->file,
+                                  gtk_text_iter_get_line (iter),
+                                  gtk_text_iter_get_line_offset (iter),
+                                  gtk_text_iter_get_offset (iter));
+}
+
+/**
+ * ide_buffer_get_insert_location:
+ *
+ * Gets the location of the insert mark as an #IdeSourceLocation.
+ *
+ * Returns: (transfer full): An #IdeSourceLocation
+ */
+IdeSourceLocation *
+ide_buffer_get_insert_location (IdeBuffer *self)
+{
+  GtkTextMark *mark;
+  GtkTextIter iter;
+
+  g_return_val_if_fail (IDE_IS_BUFFER (self), NULL);
+
+  mark = gtk_text_buffer_get_insert (GTK_TEXT_BUFFER (self));
+  gtk_text_buffer_get_iter_at_mark (GTK_TEXT_BUFFER (self), &iter, mark);
+
+  return ide_buffer_get_iter_location (self, &iter);
+}
diff --git a/libide/buffers/ide-buffer.h b/libide/buffers/ide-buffer.h
index 5a6c49f..d2c6e07 100644
--- a/libide/buffers/ide-buffer.h
+++ b/libide/buffers/ide-buffer.h
@@ -83,6 +83,9 @@ void                ide_buffer_set_style_scheme_name         (IdeBuffer
                                                               const gchar          *style_scheme_name);
 void                ide_buffer_trim_trailing_whitespace      (IdeBuffer            *self);
 void                ide_buffer_check_for_volume_change       (IdeBuffer            *self);
+IdeSourceLocation  *ide_buffer_get_insert_location           (IdeBuffer            *self);
+IdeSourceLocation  *ide_buffer_get_iter_location             (IdeBuffer            *self,
+                                                              const GtkTextIter    *iter);
 void                ide_buffer_get_iter_at_source_location   (IdeBuffer            *self,
                                                               GtkTextIter          *iter,
                                                               IdeSourceLocation    *location);