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

changeset 643: f901de70a80e
parent: e49442cd6010
child: 6e5006dfe7b8
author: Richard Westhaver <ellis@rwest.io>
date: Tue, 10 Sep 2024 21:26:30 -0400
permissions: -rw-r--r--
description: opt fixes and test updates 
     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 nil :type (or null function symbol))
    40   (val nil)
    41   (global nil :type boolean)
    42   (description nil :type (or null string))
    43   (lock nil :type boolean))
    44 
    45 (defun %compose-short-opt (o arg)
    46   (declare (ignorable arg))
    47   (setf (cli-opt-val o) t)
    48   (make-cli-node 'opt o))
    49 
    50 (defun %compose-long-opt (o args)
    51   (declare (ignorable args))
    52   (setf (cli-opt-val o) (or (pop args) t))
    53   (make-cli-node 'opt o))
    54 
    55 (defmethod handle-unknown-argument ((self cli-opt) arg))
    56 (defmethod handle-missing-argument ((self cli-opt) arg))
    57 (defmethod handle-invalid-argument ((self cli-opt) arg))
    58 
    59 (defmethod initialize-instance :after ((self cli-opt) &key)
    60   (with-slots (name thunk) self
    61     (unless (stringp name) (setf name (format nil "~(~A~)" name)))
    62     (when (symbolp thunk) (setf thunk (funcall (compile nil `(lambda () ,(symbol-function thunk))))))
    63     self))
    64 
    65 (defmethod install-thunk ((self cli-opt) (lambda function) &optional compile)
    66   "Install THUNK into the corresponding slot in cli-cmd SELF."
    67   (let ((%thunk (if compile (compile nil lambda) lambda)))
    68     (setf (cli-thunk self) %thunk)
    69     self))
    70 
    71 (defmethod print-object ((self cli-opt) stream)
    72   (print-unreadable-object (self stream :type t)
    73     (format stream "~A :global ~A :val ~A"
    74             (cli-opt-name self)
    75             (cli-opt-global self)
    76             (cli-opt-val self))))
    77 
    78 (defmethod print-usage ((self cli-opt) &optional stream)
    79   (format stream "-~(~{~A~^/--~}~)~A~A"
    80           (let ((n (cli-opt-name self)))
    81             (declare (simple-string n))
    82             (list (make-shorty n) n))
    83           (if (cli-opt-global self) "* " " ")
    84           (if-let ((d (and (slot-boundp self 'description) (cli-opt-description self))))
    85             (format stream ":  ~A" d)
    86             "")))
    87 
    88 (defmethod cli-equal ((a cli-opt) (b cli-opt))
    89   (with-slots (name global kind) a
    90     (with-slots ((bn name) (bg global) (bk kind)) b
    91       (and (equal name bn)
    92            (eq global bg)
    93            (equal kind bk)))))
    94 
    95 (defmethod call-opt ((self cli-opt) arg)
    96   (when-let ((thunk (cli-opt-thunk self)))
    97     (setf (cli-opt-val self) (funcall thunk arg))))
    98 
    99 (defmethod do-opt ((self cli-opt))
   100   (call-opt self (cli-opt-val self)))
   101 
   102 (defmethod do-opts ((self vector) &optional global)
   103   (declare (ignore global))
   104   (loop for opt across self
   105         do (do-opt opt)))
   106 
   107 (defun active-global-opt-p (opt)
   108   "Return non-nil if OPT is active at runtime and global."
   109   (and (cli-opt-lock opt) (cli-opt-global opt)))