site/buildsite

#!/bin/sh
#
# Builds the website.
#

extract () {
    files=""
    directories=""
    paths=""

    while read -r line; do
        fn="${line##*/}"
        dr="${line%%$fn}"
        dr="${dr##./src/}"
        fn="${fn%%'.php'}"
        files="${files}${fn}
"
        directories="${directories}${dr}
"
        paths="${paths}${dr}${fn}
"
    done
    case "$1" in
        "d")
            printf "$directories" ;;
        "f")
            printf "$files" ;;
        "p")
            printf "$paths" ;;
    esac
}

mk_templates () {
    paths=$( find ./src/ -type f -name "*.php" )
    printf "$paths\n" | extract d | {
        while read -r line; do
            mkdir -p "./out/$line"
        done
    }

    printf "$paths\n" | extract p | {
        while read -r line; do
            cat header.html > ./out/$line.php
            cat ./src/$line.php >> ./out/$line.php
            cat footer.html >> ./out/$line.php
        done
    }
}

cp_static () {
    cp -r ./static/* ./out/
}

eee () {
    paths=$( find ./src/ -type f -name "*.md" )
    printf "$paths\n"
    printf "$paths\n" | extract p
}

usage () {
    cat << EOF
Usage: buildsite [CWD] [OPTIONS]...

Options:
    -s      only copy static files
    -m      only render markdown
    -h      display this epic usage message

CWD is the root where all files are stored.
EOF
}

main () {
    todo="a"
    cwd=""
    while [ "$1" != "" ]; do
        case "$1" in
            "-s")
                todo="s" ;;
            "-m")
                todo="m" ;;
            "-h")
                usage
                exit 0 ;;
            *)
                if [ -z "$cwd" ]; then
                    cwd="$1"
                else
                    usage
                    exit 1
                fi
            ;;
        esac

        shift 1
    done

    [ -z "$cwd" ] || cd $cwd
    case "$todo" in
        "a")
            rm -rf ./out

            mk_templates
            cp_static
            ;;
        "s")
            cp_static
            ;;
        "m")
            mk_templates
            ;;
    esac
}

main $@