makefiles.function

#Strip all the '/' characters from a string
_smushdir()
{
    local name=$1
    echo "${name///}"
}

#Print each argument passed followed by '\', except the last member
_echo_with_backslash()
{
    local last="${@: -1}"
    for e in $@; do
        echo -ne $e
        #No \ if it's the last file (end of the set)
        if [[ $e != $last ]]; then
            echo "\\"
        fi
    done
}

#Create Makemodule.am file for headers, pass clex, monte_carlo, etc as parameter
_simple_include_makemodule()
{
    if [ "$#" -ne 1 ]; then
            echo "Illegal number of parameters"
            exit
    fi

    local target=$1
    #find all subdirectories inside a particular include set, such as monte_carlo
    searchdir=./include/casm/$target
    local d
    for d in $(find $searchdir -type d); do
        #Strip the path from all the slashes to get a unique name
        long=$(_smushdir $d)
        #Shorten that name so that it doesn't have "includecasm"
        basename=${long#*includecasm}include

        #If there's no hh files carry on
        headers=$(find $d -maxdepth 1 -type f -name "*.hh")
        if [[ $(echo $headers | wc -w) == 0 ]]; then
            continue
        fi

        #Declare the directory a set of header files has to go in
        echo "${basename}dir=\$(includedir)"/${d#*include\/}
        #Begin listing all the header files that go in the directory
        echo "${basename}_HEADERS=\\"

        _echo_with_backslash $headers
        echo -e
        echo -e

    done
}

_simple_src_makemodule()
{
    if [ "$#" -ne 1 ]; then
            echo "Illegal number of parameters"
            exit
    fi

    local target=$1
    #find all files inside a particular src folder
    searchdir=./src/casm/$target

    srcs=$(find $searchdir -type f -name "*.cc")
    echo "libcasm_la_SOURCES +=\\"
    _echo_with_backslash $srcs
    echo -e
}

#Returns names of the subdirectories that can have Makemodule.am files made directly
#via simple_src_makemodule and simple_include_makemodule
_simple_subdirs()
{
    echo "\
    app\
    basis_set\
    casm_io\
    clex\
    clusterography\
    completer\
    container\
    crystallography\
    database\
    hull\
    misc\
    monte_carlo\
    strain\
    symmetry\
    system\
    "
}

#Create new Makemodule.am files for all the directories from _simple_subdirs
#for both include and src, and overwrite whatever currently exists
_rewrite_simple_makemodules()
{
    local d
    for d in $(_simple_subdirs); do
        _simple_include_makemodule $d > ./include/casm/$d/Makemodule.am
        _simple_src_makemodule $d > ./src/casm/$d/Makemodule.am
    done
}