#!/bin/bash

test ! -z "$1" || { echo "Usage: $0 <srcdir>"; exit 255; }
SOURCEDIR=$1
test -e $SOURCEDIR || { echo "srcdir $SOURCEDIR does not exist."; exit 255; }

INCLUDES="-I$SOURCEDIR -I$SOURCEDIR/unittests -I$SOURCEDIR/Actions -I$SOURCEDIR/UIElements -I$SOURCEDIR/../LinearAlgebra/src"
CODEPATTERNS="-I/home/heber/packages/CodePatterns-1.2.8/include"
BOOST=""
JOBMARKET="-I/home/heber/packages/JobMarket-1.1.4_1.2.8/include"
PYTHON="-I/usr/include/python2.7"
QT="-I/usr/include/qt4 -I/usr/include/qt4/Qt -I/usr/include/qt4/QtGui -I/usr/include/qt4/QtCore"
QWT="-I/usr/include/qwt-qt4"
BUILDDIR="-I/home/heber/workspace_C/molecuilder/build64/src"
SCAFACOS="-I/home/heber/packages/ScaFaCoS-0.1.0-debug_open/include -I/home/heber/workspace_C/scafacos/lib/vmg/src"
COMMON="-I/usr/include"
MPI="-DMPI"

list=`find $SOURCEDIR -name '*.cpp'`

test ! -e test.cpp || { echo "There already is a test.cpp in the current dir."; exit 255; }

files=0
worlds=0
averagesize=0
for file in $list; do
	CURRENTDIR=`dirname $file`
	cpp -E -I$CURRENTDIR -I$CURRENTDIR/.. $INCLUDES $COMMON $BUILDDIR $CODEPATTERNS $JOBMARKET $BOOST $PYTHON $QT $QWT $SCAFACOS $MPI -DHAVE_CONFIG_H $file >test.cpp
	test $? -eq 0 || { echo "Some includes still missing for $file."; exit 255; }
	lines=`wc -l test.cpp | awk -F" " '{print $1}'`
	let averagesize=$averagesize+$lines
	grep World.hpp $file >/dev/null
	world=$?
	let files=$files+1
	let worlds=$worlds+$world
	rm -f test.cpp
	echo -n "`basename $file`: $lines, "
	if test $world -eq 0; then
		echo "not present."
	else
		echo "PRESENT."
	fi
done
mean=`echo "$averagesize $files" | awk -F" " '{print $1/$2}'`
echo "$worlds of $files contain World.hpp in include tree."
echo "The mean number of lines is $mean."

exit 0