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|
#!/bin/sh
export LC_ALL=en_US.utf8
export LANG=C
MY_NAME="$(basename "$0")"
SET_VERBOSE=0
ALL_FILES=0
function parsearguments {
local ARGS=$(getopt -o "h" -l "verbose,all,help" -n "${MY_NAME}" -- "$@")
local PRINT_HELP=0
#Bad arguments
if [ $? -ne 0 ] ; then
exit 1
fi
# A little magic
eval set -- "$ARGS"
while true ; do
case "$1" in
-h|--help)
PRINT_HELP=1
shift
;;
--verbose )
SET_VERBOSE=1
shift
;;
--all )
ALL_FILES=1
shift
;;
--)
shift
break
esac
done
if [[ ${PRINT_HELP} -ne 0 ]] ; then
echo "Usage: ${MY_NAME} [--all] [--verbose]" >&2
echo "Format C++ source code and headers in a git-controlled directory structure." >&2
echo >&2
echo "Options:" >&2
echo " --help" >&2
echo " Show this help" >&2
echo " --verbose" >&2
echo " Show verbose (more) output" >&2
echo " --all" >&2
echo " Format all .cpp/.h files, not just those marked by git as added or modified">&2
exit 1
fi
}
parsearguments "$@"
if [[ ${ALL_FILES} -eq 0 ]] ; then
# Format only files seen by git as added or modified,
# filter for .cpp or .h files.
# Trying to handle filenames with spaces correctly (not tested)
git status --untracked-files=no --porcelain | awk '/^\s*[AM]+\s+.*[.](cpp|h)$/ {for(i=2;i<NF;++i){printf $i" "};printf $NF"\n"}'
else
# Format all .cpp or .h files; using "find" to located those files
find . -type f -name '*.cpp' -o -name '*.h'
fi | \
# Sort files alphabetically, omit duplicates
sort -u | \
while read filename ; do
if [[ ! -s "${filename}" ]] ; then
echo "${MY_NAME}: File not found: \"${filename}\"" >&2
continue
fi
TEMPFILE=$(mktemp -t 'kbibtex_formatted_source_XXXXXXXXXXX.cpp')
echo "Processing \"${filename}\""
astyle -n --align-reference=name --align-pointer=name --indent=spaces=4 --indent-labels --pad-oper --unpad-paren --pad-header --keep-one-line-statements --convert-tabs --indent-preprocessor <"${filename}" >${TEMPFILE}
# Astyle has problem with 'foreach' statements
sed -i -e 's/\bforeach(/foreach (/g' ${TEMPFILE}
# normalize SIGNAL statements as recommended at
# http://marcmutz.wordpress.com/effective-qt/prefer-to-use-normalised-signalslot-signatures/
# astyle would insert spaces etc
grep -Po '(SIGNAL|SLOT)\([^(]+\([^)]*\)\)' "${TEMPFILE}" | while read original ; do
normalized="$(sed -e 's/const //g;s/&//g;s/ //g;s/\//\\\//g' <<<${original})"
originalregexpized="$(sed -e 's/\*/\\*/g;s/\//\\\//g' <<<${original})"
sed -i -e 's/'"${originalregexpized}"'/'"${normalized}"'/g' ${TEMPFILE}
done
# correct some astyle mis-formattings
if [[ "${filename}" != "${filename/%.h/}" ]] ; then
sed -i -e 's/^\([ ]*\)\(:[ ][a-zA-Z]\)/\1 \2/g' ${TEMPFILE}
elif [[ "${filename}" != "${filename/%.cpp/}" ]] ; then
sed -i -e 's/^\([ ]*\)\(:[ ][a-zA-Z]\)/\1 \2/g;s/\(foreach([^)]*\) \([&*]\) /\1 \2/g' ${TEMPFILE}
fi
# In const_cast operations, ensure space before ampersand
sed -i -r 's!( : const_cast<[^(;]+[^ ])&>[(]!\1 \&>(!g' ${TEMPFILE}
# Remove superfluous empty lines at file's end
# http://unix.stackexchange.com/a/81687
# http://sed.sourceforge.net/sed1line.txt
sed -i -e :a -e '/^\n*$/{$d;N;};/\n$/ba' ${TEMPFILE}
# Check if copyright year is up to date
head -n 5 ${TEMPFILE} | grep -Eo --color=NEVER '20[0-9][0-9] by ' | head -n 1 | while read year rest ; do
[ "${year}" = $(date '+%Y') ] || echo "File '${filename}' has an outdated copyright year: ${year}"
done
# only change/touch original file if it has been changed
diff -q ${TEMPFILE} "${filename}" >/dev/null || { echo "Updating \"${filename}\"" ; cp -p ${TEMPFILE} "${filename}" || echo "Cannot copy \"${TEMPFILE}\" \"${filename}\"" ; }
rm -f ${TEMPFILE}
done
|
