X-Git-Url: http://git.kpe.io/?p=getopt.git;a=blobdiff_plain;f=main.lisp;h=b64ade2e9660278079120c64aa0530e34e0ca97b;hp=885ab096c259c512908f962fda1292503b9b31c9;hb=HEAD;hpb=82c782eb6d4fdae0429d2c22e78129910d98dfb0 diff --git a/main.lisp b/main.lisp index 885ab09..b64ade2 100644 --- a/main.lisp +++ b/main.lisp @@ -28,33 +28,33 @@ (and (> (length arg) 2) (char= #\- (schar arg 0)) (char= #\- (schar arg 1)) - (char/= #\- (schar arg 3)))) + (char/= #\- (schar arg 2)))) (defun decompose-arg (arg option-type) "Returns base-name,argument" (let ((start (ecase option-type - (:long 2) - (:short 1))) - (name-end (position #\= arg))) + (:long 2) + (:short 1))) + (name-end (position #\= arg))) (values (subseq arg start name-end) - (when name-end (subseq arg (1+ name-end)))))) + (when name-end (subseq arg (1+ name-end)))))) (defun analyze-arg (arg) "Analyzes an argument. Returns option-type,base-name,argument" (let* ((option-type (cond ((is-short-option arg) :short) - ((is-long-option arg) :long) - (t :arg)))) + ((is-long-option arg) :long) + (t :arg)))) (if (or (eq option-type :short) (eq option-type :long)) - (multiple-value-bind (base arg) (decompose-arg arg option-type) - (values option-type base arg)) - (values :arg arg nil)))) + (multiple-value-bind (base arg) (decompose-arg arg option-type) + (values option-type base arg)) + (values :arg arg nil)))) (defun find-option (name options) "Find an option in option list. Handles using unique abbreviations" (let* ((option-names (mapcar #'car options)) - (pos (match-unique-abbreviation name option-names))) + (pos (match-unique-abbreviation name option-names))) (when pos (nth pos options)))) @@ -71,17 +71,17 @@ "Returns position of ABBR in STRINGS. ABBR may be a unique abbreviation. Returns NIL if no match found." (let ((len (length abbr)) - (matches nil)) + (matches nil)) (dotimes (i (length strings)) (let* ((s (nth i strings)) - (l (length s))) - (cond - ((= len l) - (when (string= abbr s) - (push (cons s i) matches))) - ((< len l) - (when (string= abbr (subseq s 0 len)) - (push (cons s i) matches)))))) + (l (length s))) + (cond + ((= len l) + (when (string= abbr s) + (push (cons s i) matches))) + ((< len l) + (when (string= abbr (subseq s 0 len)) + (push (cons s i) matches)))))) (when (= 1 (length matches)) (cdr (first matches))))) @@ -106,31 +106,32 @@ opts is a list of option lists. The fields of the list are (setq finished-options t)) (t (let ((arg (car pos))) - (multiple-value-bind (option-list option-type base-name argument) - (match-option (car pos) options) - (cond - (option-list - (cond - (argument - (case (second option-list) - (:none - (push base-name errors)) - (t - (push (cons base-name argument) out-opts)))) - ((null argument) - (if (and (eq :required (second option-list)) (null (cdr pos))) - (push base-name errors) - (if (or (is-short-option (second pos)) - (is-long-option (second pos))) - (if (eq :required (second option-list)) - (push base-name errors) - (push (cons base-name (third option-list)) out-args)) - (progn - (push (cons base-name (second pos)) out-opts) - (setq pos (cdr pos)))))))) - (t - (if (or (eq :long option-type) - (eq :short option-type)) - (push (nth-value 0 (decompose-arg arg option-type)) errors) - (push arg out-args)))))))))) + (multiple-value-bind (option-list option-type base-name argument) + (match-option (car pos) options) + (cond + ((and option-list (not (eq option-type :arg))) + (cond + (argument + (case (second option-list) + (:none + (push base-name errors)) + (t + (push (cons base-name argument) out-opts)))) + ((null argument) + (if (and (eq :required (second option-list)) (null (cdr pos))) + (push base-name errors) + (if (or (eq :none (second option-list)) + (is-short-option (second pos)) + (is-long-option (second pos))) + (if (eq :required (second option-list)) + (push base-name errors) + (push (cons base-name (third option-list)) out-opts)) + (progn + (push (cons base-name (second pos)) out-opts) + (setq pos (cdr pos)))))))) + (t + (if (or (eq :long option-type) + (eq :short option-type)) + (push (nth-value 0 (decompose-arg arg option-type)) errors) + (push arg out-args))))))))))