Add:Tools:Adding a quick 'n dirty script to scan for attributes that could be removed

git-svn-id: https://navit.svn.sourceforge.net/svnroot/navit/trunk/navit@2133 ffa7fe5e-494d-0410-b361-a75ebd5db220

diff --git a/navit/tools/cleanattr.sh b/navit/tools/cleanattr.sh
new file mode 100755 (executable)
index 0000000..dc2f0dc
--- /dev/null
+++ b/navit/tools/cleanattr.sh
@@ -0,0 +1,50 @@
+#!/bin/sh
+
+# This script scans the navit sources for attributes that 
+# remained in attr_def.h but are no longer used. 
+
+ATTRFILE=attr_def.h
+TMPDIR=/tmp
+
+if [ ! -f ./navit.c ] ; then
+               echo "Please execute this script from navit's source folder."
+               exit 1;
+fi
+
+TMPFILE=$TMPDIR/navit-cleanattr.tmp
+TMPFILE2=$TMPDIR/navit-cleanattr.tmp2
+
+if [ -f $TMPFILE ] ; then
+               echo "Temporary file $TMPFILE already exists."
+               echo "Please don't run this tool twice at the same time. If you are shure that no other instance of this tool is running, remove the file."
+               exit 1;
+fi
+
+touch $TMPFILE
+if [ $? -ne 0 ] ; then
+               echo "Could not write to temporary file $TEMPFILE."
+               echo "Please make shure you have write access to the temporary directory."
+               exit 1;
+fi
+
+
+ATTRLIST=`grep 'ATTR(.*)' $ATTRFILE | sed 's#^ATTR(##' | sed 's#).*##'`
+
+cp $ATTRFILE $TMPFILE
+
+for ATTRNAME in $ATTRLIST ; do
+               ATTR="attr_$ATTRNAME"
+
+               grep -rI $ATTR ./* > /dev/null
+
+               if [ $? -ne 0 ] ; then                          
+                               echo "Unused attribute: $ATTR"
+                               grep -v "ATTR($ATTRNAME)" $TMPFILE > $TMPFILE2
+                               mv $TMPFILE2 $TMPFILE
+               fi
+done
+
+echo "==== Creating patch ===="
+diff -U 3 $ATTRFILE $TMPFILE
+
+rm $TMPFILE