--- /dev/null
+# -*- coding: utf-8 -*-
+# Copyright (C) 2007-2017 EDF R&D
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+#
+
+import re
+
+def indexToCoordinates(src, index):
+ """return le numero de la colonne (x) et le numero de la ligne (y) dans src"""
+ y = src[: index].count("\n")
+ startOfLineIdx = src.rfind("\n", 0, index)+1
+ x = index-startOfLineIdx
+ return x, y
+
+def lineToDict(line):
+ """Transforme une ligne (string) en un dictionnaire de mots
+ reperes par le numero de la colonne"""
+
+ words = re.split("(\w+)", line)
+ h = {};i = 0
+ for word in words:
+ h[i] = word
+ i+=len(word)
+ return h
+
+def dictToLine(d):
+ """Transformation inverse: a partir d'un dictionnaire retourne une ligne"""
+ cols = d
+ cols.sort()
+ return "".join([d[colno]for colno in cols])
