#!/bin/sh

set -e

HADDOCK_ARGS=

case $* in
--inplace)
    HADDOCK=../inplace/bin/haddock
    for LIB in $(awk '$1 ~ /^libraries\/./ && $2 == "-" && NF >= 5 && $0 = substr($1, 11)' ../packages)
    do
        HADDOCK_FILE="$LIB/dist-install/doc/html/$LIB/$LIB.haddock"
        if [ -f "$HADDOCK_FILE" ]
        then
            LIBPATH=`echo "$HADDOCK_FILE" | sed 's#/dist-install.*##'`
            NAME=`echo "$HADDOCK_FILE" | sed 's#.*/##' | sed 's#\.haddock$##'`
            # It's easier to portably remove tabs with tr than to try to get
            # sed to do what we want
            VERSION=`grep -i '^version:' $LIBPATH/$NAME.cabal | sed 's/.*://' | tr -d ' \t'`
            HADDOCK_ARG="--read-interface=${NAME}-${VERSION},$HADDOCK_FILE"
            HADDOCK_ARGS="$HADDOCK_ARGS $HADDOCK_ARG"
        fi
    done
    ;;
*)
    HADDOCK=../../../../../bin/haddock
    # We don't want the GHC API to swamp the index
    HADDOCK_FILES=`ls -1 */*.haddock | grep -v '/ghc\.haddock' | sort`
    for HADDOCK_FILE in $HADDOCK_FILES
    do
        NAME_VERSION=`echo "$HADDOCK_FILE" | sed 's#/.*##'`
        HADDOCK_ARG="--read-interface=${NAME_VERSION},$HADDOCK_FILE"
        HADDOCK_ARGS="$HADDOCK_ARGS $HADDOCK_ARG"
    done
    ;;
esac

# Now create the combined contents and index pages
$HADDOCK --gen-index --gen-contents -o . \
         -t "Haskell Hierarchical Libraries" \
         -p "prologue.txt" \
         $HADDOCK_ARGS

# Unhandled Windows help stuff?:

#libraries.HxS : libraries.txt
#	 haddock ...
#		-k libraries
#		--html-help=mshelp2
#	( cd $(HTML_DIR) && if Hxcomp -p libraries.HxC -o ../$@ ; then false ; else true ; fi ) || true
#
#libraries.chm : libraries.txt
#	haddock ...
#		-k libraries \
#		--html-help=mshelp \
#	( cd $(HTML_DIR) && if hhc libraries.hhp ; then false ; else true ; fi && mv libraries.chm .. ) || true

