#!/bin/sh

# Instantiate links to library files in index template

FILE=$1
HIDDEN=$2

cp -f $FILE.template tmp
echo -n "Building file index-list.prehtml... "

#LIBDIRS="Init Logic Structures Bool Arith PArith NArith ZArith QArith Relations Sets Classes Setoids Lists Vectors Sorting Wellfounded MSets FSets Reals Program Numbers Numbers/Natural/Abstract Numbers/Natural/Peano Numbers/Natural/Binary Numbers/Natural/BigN Numbers/Natural/SpecViaZ Numbers/Integer/Abstract Numbers/Integer/NatPairs Numbers/Integer/Binary Numbers/Integer/SpecViaZ Numbers/Integer/BigZ Numbers/NatInt Numbers/Cyclic/Abstract Numbers/Cyclic/Int31 Numbers/Cyclic/ZModulo Numbers/Cyclic/DoubleCyclic Numbers/Rational/BigQ Numbers/Rational/SpecViaQ Strings"
LIBDIRS=`find theories/* -type d ! -name .coq-native | sed -e "s:^theories/::"`

for k in $LIBDIRS; do
    i=theories/$k
    d=`basename $i`
      ls $i | grep -q \.v'$'
      if [ $? = 0 ]; then
	for j in $i/*.v; do
	    b=`basename $j .v`
	    rm -f tmp2
	    grep -q theories/$k/$b.v tmp
	    a=$?
	    grep -q theories/$k/$b.v $HIDDEN
	    h=$?
	    if [ $a = 0 ]; then
	        if [ $h = 0 ]; then
                    echo Error: $FILE and $HIDDEN both mention theories/$k/$b.v; exit 1
                else
		    p=`echo $k | sed 's:/:.:g'`
		    sed -e "s:theories/$k/$b.v:<a href=\"Coq.$p.$b.html\">$b</a>:g" tmp > tmp2
		    mv -f tmp2 tmp
                fi
	    else
	        if [ $h = 0 ]; then
		    echo Error: theories/$k/$b.v is missing in the template file
                    exit 1
                else
                    echo Error: none of $FILE and $HIDDEN mention theories/$k/$b.v
                    exit 1
	        fi

            fi
	done
      fi
    rm -f tmp2
    sed -e "s/#$d#//" tmp > tmp2
    mv -f tmp2 tmp
done
a=`grep theories tmp`
if [ $? = 0 ]; then echo Error: extra files:; echo $a; exit 1; fi
mv tmp $FILE
echo Done