X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=lib%2Flyx2lyx%2Fparser_tools.py;h=43ebcd091c3d90625e483bed50fd3a408014ab04;hb=0db238a371fe9b9455cea32d88c8c5d4216fc9d9;hp=0299ed7c4a4ffd0f7e063762367faf221ff99905;hpb=5e4493d97be6b5cb4c4e740870a5c6923e5f6a69;p=lyx.git

diff --git a/lib/lyx2lyx/parser_tools.py b/lib/lyx2lyx/parser_tools.py
index 0299ed7c4a..43ebcd091c 100644
--- a/lib/lyx2lyx/parser_tools.py
+++ b/lib/lyx2lyx/parser_tools.py
@@ -1,6 +1,7 @@
 # This file is part of lyx2lyx
 # -*- coding: utf-8 -*-
-# Copyright (C) 2002-2004 Dekel Tsur <dekel@lyx.org>, José Matos <jamatos@lyx.org>
+# Copyright (C) 2002-2010 Dekel Tsur <dekel@lyx.org>, 
+# José Matos <jamatos@lyx.org>, Richard Heck <rgheck@comcast.net>
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
@@ -16,7 +17,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
-" This modules offer several free functions to help parse lines."
+" This modules offer several free functions to help parse lines. "
 
 # Utilities for one line
 def check_token(line, token):
@@ -241,3 +242,18 @@ def find_end_of_inset(lines, i):
 def find_end_of_layout(lines, i):
     " Find end of layout, where lines[i] is included."
     return find_end_of(lines, i, "\\begin_layout", "\\end_layout")
+
+
+# checks if line i is in the inset e.g., "\\begin_inset CommandInset ref"
+# if so, returns starting and ending lines
+# otherwise, returns (-1, -1)
+def get_containing_inset(lines, i, inset):
+    defval = (-1, -1)
+    stins = find_token_backwards(lines, inset, i)
+    if stins == -1:
+      return defval
+    endins = find_end_of_inset(lines, stins)
+    # note that this includes the notfound case.
+    if endins < i:
+      return defval
+    return (stins, endins)