Refactor out note functions

* Add new note_edit() and note_view() helper functions. Use these
  instead of copy-pasted code in *_note_edit().

* Move all note-related functions (note_edit(), note_view(),
  note_erase()) to a new source file "note.c".

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>

1 files changed, 90 insertions, 0 deletions

diff --git a/src/note.c b/src/note.c
new file mode 100644
index 0000000..57bfc2d
--- /dev/null
+++ b/src/note.c
@@ -0,0 +1,90 @@
+/*
+ * Calcurse - text-based organizer
+ *
+ * Copyright (c) 2004-2011 calcurse Development Team <misc@calcurse.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the
+ *        following disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the
+ *        following disclaimer in the documentation and/or other
+ *        materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Send your feedback or comments to : misc@calcurse.org
+ * Calcurse home page : http://calcurse.org
+ *
+ */
+
+#include <unistd.h>
+
+#include "calcurse.h"
+
+/* Edit a note with an external editor. */
+void
+edit_note (char **note, char *editor)
+{
+  char fullname[BUFSIZ];
+  char *filename;
+
+  if (*note == NULL)
+    {
+      if ((filename = new_tempfile (path_notes, NOTESIZ)) != NULL)
+        *note = filename;
+      else
+        return;
+    }
+  (void)snprintf (fullname, BUFSIZ, "%s%s", path_notes, *note);
+  wins_launch_external (fullname, editor);
+
+  if (io_file_is_empty (fullname) > 0)
+    erase_note (note, ERASE_FORCE);
+}
+
+/* View a note in an external pager. */
+void
+view_note (char *note, char *pager)
+{
+  char fullname[BUFSIZ];
+
+  if (note == NULL)
+    return;
+  (void)snprintf (fullname, BUFSIZ, "%s%s", path_notes, note);
+  wins_launch_external (fullname, pager);
+}
+
+/* Erase a note previously attached to an item. */
+void
+erase_note (char **note, enum eraseflg flag)
+{
+  char fullname[BUFSIZ];
+
+  if (*note == NULL)
+    return;
+  if (flag != ERASE_FORCE_KEEP_NOTE)
+    {
+      (void)snprintf (fullname, BUFSIZ, "%s%s", path_notes, *note);
+      if (unlink (fullname) != 0)
+        EXIT (_("could not remove note"));
+    }
+  mem_free (*note);
+  *note = NULL;
+}