None of the original commit messages would actually help anyone

1 files changed, 55 insertions, 0 deletions

diff --git a/util.lisp b/util.lisp
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+;; For big ascii-art digits
+(load "digits.lisp")
+
+(defmacro inc (x)
+  `(setf ,x (1+ ,x)))
+
+;; Wraps text and adds ellipsis if it doesn't fit within width, scrolling
+;; by index i
+(defun maybe-wrap-text (text width i)
+  (let ((textlen (length text)))
+    (if (>= width textlen)
+        text
+        (let* ((max-width (1- width))
+               (max-wrap (1+ (- textlen max-width)))
+               (wrap-i (rem i max-wrap)))
+          (concatenate 'string (subseq text wrap-i (+ wrap-i (min max-width textlen))) "-")))))
+
+;; Makes a-list with '((hours . HOURS) (minutes . MINUTES) (seconds . SECONDS) (ms . MILLISECONDS))
+(defun make-time-alist (ms)
+  `((hours    . ,(floor (/ ms (* 1000 60 60))))
+	   (minutes . ,(floor (mod (/ ms (* 1000 60)) 60)))
+	   (seconds . ,(floor (mod (/ ms 1000) 60)))
+	   (ms      . ,(mod ms 1000))))
+
+
+;; Add a list of strings representing horizontal slices of a character to another list of strings representing horizontal slices of a string, or create a new list of horizontal slices if the original was empty.
+;; Character height will be truncated to the height of the first character in the slices.
+(defun add-to-horizontal (character horizontal-layers &key (seperator " "))
+  (let ((layer-height (length horizontal-layers)))
+    (loop for i from 0 to (1- (if (zerop layer-height) (length character) layer-height))
+          collect
+          (let ((layer (nth i horizontal-layers))
+                (character-slice (nth i character)))
+            (if (and layer (> (length layer) 0))
+                (concatenate 'string layer seperator character-slice)
+              character-slice)))))
+
+;; Formats, disregarding min/hour if they shouldn't be shown, a time alist to "H:M:S.ms"
+(defun format-time (time-alist)
+  (let
+      ((hours (cdr (assoc 'hours time-alist)))
+       (minutes (cdr (assoc 'minutes time-alist)))
+       (seconds (cdr (assoc 'seconds time-alist)))
+       (centis (round (/ (cdr (assoc 'ms time-alist)) 10))))
+    (concatenate 'string
+                 (unless (zerop hours) (format nil "~2,'0d:" hours))
+                 (unless (and (zerop minutes) (zerop hours)) (format nil "~2,'0d:" minutes))
+                 (format nil "~2,'0d.~2,'0d" seconds centis))))
+
+;; Creates a list of horizontal slices to display a formatted larger string by using figlet characters
+(defun lispglet (str &optional (char-hashes *big-digits*))
+  (loop for horizontal-layers = '()
+        then (add-to-horizontal (gethash c char-hashes) horizontal-layers)
+        for c across str
+        finally (return horizontal-layers)))