#!/bin/sh

fixup_file() {
	local path=$1

	grep -q '//' $path || return

	echo "found C++ style comments in $path"

	# remove blank comments
	sed -i 's@/\*\s*\*/@@' $path

	# C style with extra leading /
	sed -i 's@//\*\(.*\)\*/@/*\1*/@' $path

	# nested C style within C++ style
	sed -i 's@//\(.*\)/\*\(.*\)\*/@/*\1 \2*/@' $path

	# C style bracketing with many C++ delimeters
	sed -i 's@////*\([^/]*\)////*@/* \1 */@' $path

	# nested C++ style within C++ style
	sed -i 's@///*\(.*\)///*\(.*\)@//\1 \2@' $path

	# C++ comment at beginning of line
	sed -i 's@^//\(.*\)@/* \1 */@' $path

	# C++ comment elsewhere in line, avoid url's
	sed -i 's@\([^:]\)//\(.*\)@\1/* \2 */@' $path

}

# specific instance of schizophrenia in the AtomBios sources
if [ -f AtomBios/includes/ObjectID.h ] ; then
	sed -i 's@// Graphics@/* Graphics@' AtomBios/includes/ObjectID.h
fi

for f in $(find . -name '*.h') $(find . -name '*.c') ; do
	fixup_file $f
done