# don't ignore any errors
set -e

source_dir=.
output_dir=./include_graphs
file_pattern="*.cpp"


# get the complete list of all directories where include files might be
include_dirs=`find $source_dir -type d -exec echo "-I {} " \;`
source_files=`(cd $source_dir && find . -name $file_pattern -print)`

# make a separate graph for each and every source file
for file in $source_files
do 
    perl includepig.pl $include_dirs $source_dir/$file > include.dot
    mkdir -p $output_dir/`dirname $file`
    dot -Tpng -o$output_dir/$file.png include.dot
done

# generate a listing of all the include graphs, sorted by size (biggest first)
cd $output_dir
find . -name '*.png' -exec ls -s {} \; \
    | sort -rn \
    | sed -e 's/ \.\/\([^ ]*\).png$/ <a href="\1.png">\1<\/a> <br\/>/' \
    > index-by-size.html

print "Done!  Results are in $output_dir"