#! /bin/bash

if test ! -z "`which gindent`" ; then

	indent=gindent

else

	indent=indent

fi

indent_code()

{

    file=$1

    $indent --k-and-r-style --line-length100 --else-endif-column1 --start-left-side-of-comments \

	--break-after-boolean-operator --dont-cuddle-else --dont-format-comments \

	--comment-indentation1 --indent-level4 --no-tabs \

	${file}

    rm -f ${file}~

    cp ${file} /tmp/${USER}.__tmp__ && \

	cat ${file} | sed -e 's/ *$//g' -e 's/( */(/g' -e 's/ *)/)/g' \

	-e 's/if(/if (/g' -e 's/while(/while (/g' -e 's/do{/do {/g' -e 's/}while/} while/g' > \

	/tmp/${USER}.__tmp__ && mv /tmp/${USER}.__tmp__ ${file}

}

usage()

{

    echo "Usage: $1 [filename | --all] {--recursive} {--debug}"

}

# Check usage

if [ -z "$1" ]; then

    usage $0

    exit

fi

# Make sure the parameters make sense

all=0

recursive=0

got_file=0

debug=

ignore=0

ignore_list="__I_WILL_NEVER_FIND_YOU__"

for arg in $@; do

    if [ "$ignore" = "1" ] ; then

	ignore_list="$ignore_list|$arg"

	ignore=0

	continue;

    fi

    if [ "$arg" = "--all" ]; then

	all=1

    elif [ "$arg" = "--recursive" ]; then

	recursive=1

    elif [ "$arg" = "--debug" ]; then

	debug="echo"

    elif [ "$arg" = "--ignore" ] ; then

	ignore=1

    else

	got_file=1

    fi

done

if [ "$recursive" = "1" -a "$all" = "0" ]; then

    echo "--recursive cannot be used without --all"

    usage $0

    exit

fi

if [ "$got_file" = "1" -a "$all" = "1" ]; then

    echo "--all cannot be used in conjunction with a specific file"

    usage $0

    exit

fi

if [ "$recursive" = "1" ]; then

    for i in `find . \! -type d | egrep '(\.c$|\.h$|\.c\.in$|\.h\.in$|\.cpp$|\.cpp.in$)' | \

	egrep -v "($ignore_list)"` ; do

	${debug} indent_code $i

    done

elif [ "$all" = "1" ]; then

    for i in `find . -maxdepth 1 \! -type d | egrep '(\.c$|\.h$|\.c\.in$|\.h\.in$|\.cpp$|\.cpp.in$)' | \

	egrep -v "($ignore_list)"` ; do

	${debug} indent_code $i

    done

else

    ${debug} indent_code $@

fi