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;;;; oneliner.lisp -- holds a local representation of onelienrs.

(in-package :oneliners.cli)

(defstruct oneliner
  id
  name
  oneliner
  tags
  brief
  explanation
  runstyle
  createdat
  editedat
  createdby
  isflagged
  islocked)


(defun collect-positional-arguments (ol)
  "Collects the names of all positional arguments in the oneliner, prefix included."
  (remove-duplicates 
   (sort 
    (ppcre:all-matches-as-strings "#[1-9][0-9]*" (oneliner-oneliner ol))
    #'string<)
   :test #'equal))

(defun collect-named-arguments (ol)
  "Collects the names of all named arguments in the oneliner, prefix included"
  (remove-duplicates 
   (ppcre:all-matches-as-strings "#[A-Za-z][A-Za-z0-9_]*" (oneliner-oneliner ol))
   :test #'equal))

(defun tags-from-oneliner (string)
  "Splits a string using consequitive whitespace as a separator,
returning a set of tags"
  (remove-duplicates
   (remove-if-not #'executable-on-system-p (ppcre:split " +" string))
   :test #'equal))




;;; VALIDATION OF ONELINER SLOT VALUES

(defun valid-oneliner-string-p (string)
  (and (not (find #\newline string))
       (tags-from-oneliner string)))

(defun valid-brief-description-p (string)
  (<= (length string) 72))

(defun valid-runstyle-p (string)
  (member string '("auto" "manual") :test 'equalp))

(defun valid-oneliner-name-p (string)
  (or (equal string "")
      (and (< 2 (length string)) 
           (ppcre:scan "^[a-zA-Z][a-zA-Z0-9_\-]+$" string))))