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Mercurial > core / lisp/lib/cli/clap/opt.lisp

changeset 655: 65102f74d1ae
parent: 3dd1924ad5ea
child: c5fe76568de0
author: Richard Westhaver <ellis@rwest.io>
date: Mon, 16 Sep 2024 21:28:33 -0400
permissions: -rw-r--r--
description: some optimizations, may have muddied the waters with cli-opt a bit though.. tbd 
     1 ;;; cli/clap/opt.lisp --- Clap Opts
     2 
     3 ;; CLI Opt Objects
     4 
     5 ;;; Code:
     6 (in-package :cli/clap/obj)
     7 
     8 ;;; Parsers
     9 (make-opt-parser string *arg*)
    10 
    11 (make-opt-parser boolean (when *arg* t))
    12 
    13 (make-opt-parser (form string) (read-from-string *arg*))
    14 
    15 (make-opt-parser (list form) (when (listp *arg*) *arg*))
    16 
    17 (make-opt-parser (symbol form) (when (symbolp *arg*) *arg*))
    18 
    19 (make-opt-parser (keyword form) (when (keywordp *arg*) *arg*))
    20 
    21 (make-opt-parser number (when *arg* (parse-number *arg*)))
    22 
    23 (make-opt-parser integer (when *arg* (parse-integer *arg*)))
    24 
    25 (make-opt-parser (file string) 
    26   (parse-native-namestring *arg* nil *default-pathname-defaults* :as-directory nil))
    27 
    28 (make-opt-parser (directory string)
    29   (sb-ext:parse-native-namestring *arg* nil *default-pathname-defaults* :as-directory t))
    30 
    31 (make-opt-parser (pathname string)
    32   (pathname *arg*))
    33 
    34 ;;; Objects
    35 (defstruct cli-opt
    36   ;; note that cli-opts can have a nil or unbound name slot
    37   (name "" :type string)
    38   (kind 'boolean :type (or symbol list))
    39   (thunk #'identity :type (or function symbol))
    40   (val nil)
    41   (global nil :type boolean)
    42   (description nil :type (or null string))
    43   (lock nil :type boolean))
    44 
    45 (defmethod cli-name ((self cli-opt))
    46   (cli-opt-name self))
    47 
    48 (defmethod activate-opt ((self cli-opt))
    49   (setf (cli-opt-lock self) t))
    50 
    51 (defun %compose-short-opt (o)
    52   (setf (cli-opt-val o) t)
    53   (make-cli-node 'opt o))
    54 
    55 (defun %compose-long-opt (o &optional val)
    56   (setf (cli-opt-val o) val)
    57   (make-cli-node 'opt o))
    58 
    59 (defun %compose-keyword-opt (o val)
    60   (setf (cli-opt-val o) val)
    61   (make-cli-node 'opt o))
    62 
    63 (defmethod handle-unknown-argument ((self cli-opt) arg))
    64 (defmethod handle-missing-argument ((self cli-opt) arg))
    65 (defmethod handle-invalid-argument ((self cli-opt) arg))
    66 
    67 (defmethod initialize-instance :after ((self cli-opt) &key)
    68   (with-slots (name thunk) self
    69     (unless (stringp name) (setf name (format nil "~(~A~)" name)))
    70     ;; REVIEW 2024-09-16: 
    71     (when (symbolp thunk) (setf thunk (symbol-function thunk)))
    72     self))
    73 
    74 (defmethod install-thunk ((self cli-opt) (lambda function) &optional compile)
    75   "Install THUNK into the corresponding slot in cli-cmd SELF."
    76   (let ((%thunk (if compile (compile nil lambda) lambda)))
    77     (setf (cli-thunk self) %thunk)
    78     self))
    79 
    80 (defmethod print-object ((self cli-opt) stream)
    81   (print-unreadable-object (self stream :type t)
    82     (format stream "~A :global ~A :val ~A"
    83             (cli-opt-name self)
    84             (cli-opt-global self)
    85             (cli-opt-val self))))
    86 
    87 (defmethod print-usage ((self cli-opt) &optional stream)
    88   (format stream "-~(~{~A~^/--~}~)~A~A"
    89           (let ((n (cli-opt-name self)))
    90             (declare (simple-string n))
    91             (list (make-shorty n) n))
    92           (if (cli-opt-global self) "* " " ")
    93           (if-let ((d (and (slot-boundp self 'description) (cli-opt-description self))))
    94             (format stream ":  ~A" d)
    95             "")))
    96 
    97 (defmethod cli-equal ((a cli-opt) (b cli-opt))
    98   (with-slots (name global kind) a
    99     (with-slots ((bn name) (bg global) (bk kind)) b
   100       (and (equal name bn)
   101            (eq global bg)
   102            (equal kind bk)))))
   103 
   104 (defmethod call-opt ((self cli-opt) arg)
   105   (funcall (cli-opt-thunk self) arg))
   106 
   107 (defmethod do-opt ((self cli-opt))
   108   (setf (cli-opt-val self) (call-opt self (cli-opt-val self))))
   109 
   110 (defmethod do-opts ((self vector) &optional global)
   111   (loop for opt across self
   112         do (if global 
   113                (when (cli-opt-global opt)
   114                  (do-opt opt))
   115                (do-opt opt))))
   116 
   117 (defun active-global-opt-p (opt)
   118   "Return non-nil if OPT is active at runtime and global."
   119   (and (cli-opt-lock opt) (cli-opt-global opt)))