[gtksourceview/wip/search: 16/36] Add gtk_source_buffer_replace_search_match()

[Sébastien Wilmet <swilmet src gnome org>]

commit 1ea2e778b2b0362ff4e8e9f01131edacad1fa01b
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Mon Jul 1 16:28:58 2013 +0200

    Add gtk_source_buffer_replace_search_match()

 gtksourceview/gtksourcebuffer.c |   33 ++++++++++++++++++++++
 gtksourceview/gtksourcebuffer.h |    6 ++++
 gtksourceview/gtksourcesearch.c |   58 +++++++++++++++++++++++++++++++++++++++
 gtksourceview/gtksourcesearch.h |    7 +++++
 4 files changed, 104 insertions(+), 0 deletions(-)
---
diff --git a/gtksourceview/gtksourcebuffer.c b/gtksourceview/gtksourcebuffer.c
index aa42dd5..ef1889f 100644
--- a/gtksourceview/gtksourcebuffer.c
+++ b/gtksourceview/gtksourcebuffer.c
@@ -2887,3 +2887,36 @@ gtk_source_buffer_backward_search_finish (GtkSourceBuffer  *buffer,
                                                   match_end,
                                                   error);
 }
+
+/**
+ * gtk_source_buffer_replace_search_match:
+ * @buffer: a #GtkSourceBuffer.
+ * @match_start: the start of the match to replace, or %NULL.
+ * @match_end: the end of the match to replace, or %NULL.
+ * @replace: the replacement text.
+ * @replace_length: the length of @replace in bytes, or -1.
+ *
+ * Replaces a search match by another text. If @match_start and @match_end
+ * doesn't correspond to a search match, %FALSE is returned.
+ *
+ * If you pass %NULL to @match_start and @match_end, the selection bounds will
+ * be taken.
+ *
+ * Returns: whether the match has been replaced.
+ * Since: 3.10
+ */
+gboolean
+gtk_source_buffer_replace_search_match (GtkSourceBuffer   *buffer,
+                                       const GtkTextIter *match_start,
+                                       const GtkTextIter *match_end,
+                                       const gchar       *replace,
+                                       gint               replace_length)
+{
+       g_return_val_if_fail (GTK_SOURCE_IS_BUFFER (buffer), FALSE);
+
+       return _gtk_source_search_replace (buffer->priv->search,
+                                          match_start,
+                                          match_end,
+                                          replace,
+                                          replace_length);
+}
diff --git a/gtksourceview/gtksourcebuffer.h b/gtksourceview/gtksourcebuffer.h
index 1589d38..c9a39a7 100644
--- a/gtksourceview/gtksourcebuffer.h
+++ b/gtksourceview/gtksourcebuffer.h
@@ -232,6 +232,12 @@ gboolean            gtk_source_buffer_backward_search_finish
                                                                 GtkTextIter            *match_end,
                                                                 GError                **error);
 
+gboolean                gtk_source_buffer_replace_search_match (GtkSourceBuffer        *buffer,
+                                                                const GtkTextIter      *match_start,
+                                                                const GtkTextIter      *match_end,
+                                                                const gchar            *replace,
+                                                                gint                    replace_length);
+
 /* private */
 void                    _gtk_source_buffer_update_highlight    (GtkSourceBuffer        *buffer,
                                                                 const GtkTextIter      *start,
diff --git a/gtksourceview/gtksourcesearch.c b/gtksourceview/gtksourcesearch.c
index e91fffe..d4c1393 100644
--- a/gtksourceview/gtksourcesearch.c
+++ b/gtksourceview/gtksourcesearch.c
@@ -1880,3 +1880,61 @@ _gtk_source_search_backward_finish (GtkSourceSearch  *search,
                                                  match_end,
                                                  error);
 }
+
+gboolean
+_gtk_source_search_replace (GtkSourceSearch   *search,
+                           const GtkTextIter *match_start,
+                           const GtkTextIter *match_end,
+                           const gchar       *replace,
+                           gint               replace_length)
+{
+       GtkTextIter start;
+       GtkTextIter end;
+       GtkTextIter check_match_start;
+       GtkTextIter check_match_end;
+
+       g_return_val_if_fail (GTK_SOURCE_IS_SEARCH (search), FALSE);
+
+       if (match_start != NULL)
+       {
+               start = *match_start;
+       }
+       else
+       {
+               gtk_text_buffer_get_selection_bounds (search->priv->buffer,
+                                                     &start,
+                                                     NULL);
+       }
+
+       if (match_end != NULL)
+       {
+               end = *match_end;
+       }
+       else
+       {
+               gtk_text_buffer_get_selection_bounds (search->priv->buffer,
+                                                     NULL,
+                                                     &end);
+       }
+
+       basic_forward_search (search,
+                             &start,
+                             &check_match_start,
+                             &check_match_end,
+                             &end);
+
+       if (!gtk_text_iter_equal (&start, &check_match_start) ||
+           !gtk_text_iter_equal (&end, &check_match_end))
+       {
+               return FALSE;
+       }
+
+       gtk_text_buffer_begin_user_action (search->priv->buffer);
+
+       gtk_text_buffer_delete (search->priv->buffer, &start, &end);
+       gtk_text_buffer_insert (search->priv->buffer, &start, replace, replace_length);
+
+       gtk_text_buffer_end_user_action (search->priv->buffer);
+
+       return TRUE;
+}
diff --git a/gtksourceview/gtksourcesearch.h b/gtksourceview/gtksourcesearch.h
index c23bc68..0ccfe05 100644
--- a/gtksourceview/gtksourcesearch.h
+++ b/gtksourceview/gtksourcesearch.h
@@ -134,6 +134,13 @@ gboolean           _gtk_source_search_backward_finish              (GtkSourceSearch      
  *search,
                                                                         GtkTextIter            *match_end,
                                                                         GError                **error);
 
+G_GNUC_INTERNAL
+gboolean               _gtk_source_search_replace                      (GtkSourceSearch        *search,
+                                                                        const GtkTextIter      *match_start,
+                                                                        const GtkTextIter      *match_end,
+                                                                        const gchar            *replace,
+                                                                        gint                    
replace_length);
+
 G_END_DECLS
 
 #endif /* __GTK_SOURCE_SEARCH_H__ */