#!/bin/sh
# ron@18james.com, 11 Dec 2003
# With modifications by Angus Leeming, tweaked by Bennett Helm 21 Jan 2007

parse_serverpipe()
{
        test -r "$1" || {
                echo "Usage: parse_serverpipe lyxrc" >&2
                exit 1
        }

        # The output of this sed script is output to STDOUT
        LYXPIPE=`sed -n '/^\\\\serverpipe /{
# First consider that the file path may be quoted
s/^ *\\\\serverpipe \{1,\}\"\([^"]\{1,\}\)\" *$/\1/
tfound

# Now, unquoted
s/^ *\\\\serverpipe \{1,\}\(.*\)/\1/
s/ *$//

:found
# Change from single to double shell quoting temporarily...
'"
s@^~/@${HOME}/@
# Revert to single shell quotes
"'

p
q
}' "$1"`

        echo "${LYXPIPE}"
        unset LYXPIPE
}


USER_SUPPORT="${HOME}/Library/Application Support"
test -d "${USER_SUPPORT}" || {
	echo "Something horrible is going on. No user support directory $ {USER_SUPPORT}" >&2 
	exit 1
}

for LYXDIR in LyX-1.6 LyX-1.5 LyX-1.4 LyX
do
	ABS_USER_LYXDIR="${USER_SUPPORT}/${LYXDIR}"
	test -d "${ABS_USER_LYXDIR}" || {
		echo "Failed to find ABS_USER_LYXDIR: ${ABS_USER_LYXDIR}" >&2
		continue
	}
	PREFERENCES="${ABS_USER_LYXDIR}/preferences"
	test -r "${PREFERENCES}" || {
		echo "Failed to find PREFERENCES: ${PREFERENCES}" >&2
		continue
	}
	# preferences file exists.
	# See if it contains a \\serverpipe entry
	# Whether it does or not, break out of the loop because we've
	# found the preferences file.
	LYXPIPE=`parse_serverpipe "${PREFERENCES}"`
	break
done

echo "preferences file sets lyxpipe as ${LYXPIPE}"

test -z "${LYXPIPE}" && {
	ABS_SYSTEM_LYXDIR='/Applications/LyX.app/Contents/Resources'
	test -d "${ABS_SYSTEM_LYXDIR}" || {
                echo "Failed to find ABS_SYSTEM_LYXDIR: ${ABS_SYSTEM_LYXDIR}" >&2
                exit 1
        }
        LYXRC_DIST="${ABS_SYSTEM_LYXDIR}/lyxrc.dist"
        test -r "${LYXRC_DIST}" || {
                echo "Failed to find LYXRC_DIST: ${LYXRC_DIST}" >&2
                exit 1
        }

	# lyxrc.dist exists
	# See if it contains a \\serverpipe entry
	LYXPIPE=`parse_serverpipe "${LYXRC_DIST}"`
}

echo "Our best guess sets lyxpipe as ${LYXPIPE}"

# The end

file=`echo "$1" | sed 's|^/private||'`

MAC_LYXPIPE_CONTENTS="LYXCMD:macdvix:server-goto-file-row:$file $2"
echo "$MAC_LYXPIPE_CONTENTS"
echo "$MAC_LYXPIPE_CONTENTS" > "${LYXPIPE}".in || exit
read < "${LYXPIPE}".out || exit
