#!/bin/sh
# $LynxId: indent.sh,v 1.6 2021/01/07 00:23:01 tom Exp $
# Indent LYNX files (for reference).  See "lnx-indent" from
#	https://invisible-island.net/cindent/
NOOP=no
OPTS='
--blank-lines-after-declarations
--blank-lines-after-procedures
--braces-on-if-line
--continue-at-parentheses
--cuddle-else
--dont-break-procedure-type
--indent-level4
--leave-preprocessor-space
--line-length80
--no-space-after-function-call-names
--parameter-indentation4
--space-after-cast
--space-special-semicolon
--swallow-optional-blank-lines
-T AddressDefList
-T BOOL
-T BOOLEAN
-T CSOfield_info
-T DIR
-T DocAddress
-T DocInfo
-T DocObj
-T EntryInfo
-T EditFieldData
-T FILE
-T GCC_NORETURN
-T GCC_UNUSED
-T GLOBALREF
-T GroupDef
-T GroupDefList
-T HTAAFailReasonType
-T HTAAProt
-T HTAARealm
-T HTAAServer
-T HTAssoc
-T HTAssocList
-T HTAtom
-T HTBTElement
-T HTBTree
-T HTChildAnchor
-T HTChunk
-T HTConverter
-T HTFormat
-T HTLine
-T HTLinkType
-T HTList
-T HTParentAnchor
-T HTParentAnchor0
-T HTPresentation
-T HTStream
-T HTStyle
-T HTStyleChange
-T HTStyleSheet
-T HText
-T HyperDoc
-T InitResponseAPDU
-T Item
-T ItemList
-T LYNX_ADDRINFO
-T LYNX_HOSTENT
-T LYUCcharset
-T LexItem
-T ProgramPaths
-T STable_cellinfo
-T STable_info
-T STable_rowinfo
-T STable_states
-T SearchAPDU
-T SearchResponseAPDU
-T TextAnchor
-T UCode_t
-T UserDefList
-T WAISDocumentCodes
-T WAISDocumentHeader
-T WAISDocumentHeadlines
-T WAISDocumentLongHeader
-T WAISDocumentShortHeader
-T WAISDocumentText
-T WAISInitResponse
-T WAISSearch
-T _cdecl
-T any
-T bit_map
-T boolean
-T bstring
-T data_tag
-T eServerType
-T lynx_list_item_type
-T pdu_type
-T query_term
-nbacc
'
for name in "$@"
do
	case $name in
	-n)	NOOP=yes
		OPTS="$OPTS -v"
		;;
	-*)
		OPTS="$OPTS $name"
		;;
	*.[ch])
		save="${name}".a$$
		test="${name}".b$$
		rm -f "$save" "$test"
		mv "$name" "$save"
		sed \
			-e '/MODULE_ID(/s/)$/);/' \
			-e 's,)[ 	]*\<GCC_PRINTFLIKE,);//GCC_PRINTFLIKE,' \
			-e 's,[ 	]*\<GCC_NORETURN;,;//GCC_NORETURN;,' \
			-e 's,[ 	]*\<GCC_UNUSED;,;//GCC_UNUSED;,' \
			"$save" >"$test"
		cp "$test" "$name"
		chmod u+w "$name"
		${INDENT_PROG-indent} -npro $OPTS "$name"
		sed \
			-e '/MODULE_ID(/s/);$/)/' \
			-e 's,;[ 	]*//GCC_UNUSED;, GCC_UNUSED;,' \
			-e 's,;[ 	]*//GCC_NORETURN;, GCC_NORETURN;,' \
			-e 's,);[ 	]*//GCC_PRINTFLIKE,) GCC_PRINTFLIKE,' \
			"$name" >"$test"
		mv "$test" "$name"
		rm -f "${name}~"
		if test $NOOP = yes ; then
			if ! ( cmp -s "$name" "$save" )
			then
				diff -u "$save" "$name"
			fi
			mv "$save" "$name"
			rm -f "${name}~"
		else
			if ( cmp -s "$name" "$save" )
			then
				echo "** unchanged $name"
				rm -f "${name}" "${name}~"
				mv "$save" "$name"
			else
				echo "** updated $name"
				rm -f "$save"
			fi
		fi
		;;
	*)
		echo "** ignored:   $name"
		;;
	esac
done