jshon_zsh_completion

#compdef jshon

typeset -A opt_args
setopt extendedglob

# general operations
_jshon_opts_operations=(
   -t'[returns type]'
   -l'[returns length (integer)]'
   -k'[returns newline seperated list of keys]'
   -p'[pops the last manipulation from the stack]'
   -a'[maps the remaining actions across the selected element]'
   -j'[returns encoded json]'
   -u'[returns decoded string]'
   -n'[returns a json element to be inserted into a structure]'
   -s'[returns a json encoded string]'
)

_jshon_opts_index=(
   -e'[returns json value at index]'
   -i'[insert item into array at index]'
   -d'[removes item in array or object]'
)  
   
# options for passing to _arguments: options common to all operations
_jshon_opts_common=(
   -P'[strips a jsonp callback]'
   -S'[returns output sorted by key]'
   -Q'[disables error reporting on stderr]'
   -V'[enables pass by value on the edit stack]'
   -F'[<path> read from a file instead of stdin]:Path to file:_files -./'
   -I'[In place editing (only works with -F)]'
   -C'[continue on potentially recoverable errors]'
   -0'[null delimiters - changes delimiter of -u from newline to null]' #only works for -u
   --version'[returns a YYYYMMDD timestamp and exits]'
)

_jshon_action_none() {
    _arguments -s : \
        "$_jshon_opts_operations[@]" \
        "$_jshon_opts_common[@]" \
        "$_jshon_opts_index[@]" \
}

# main dispatcher
_jshon() {
    local -a args cmds;
    local tmp
    args=( ${${${(M)words:#-*}#-}:#-*} )
    for tmp in $words; do
        cmds+=("${${_jshon_opts_operations[(r)*$tmp\[*]%%\[*}#*\)}")
    done
    case $args in #$words[2] in
        *)               _jshon_action_none            ;;
    esac
}

_jshon "$@"