1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
;;; -*- Mode: Lisp; Syntax: ANSI-Common-Lisp; Base: 10 -*-
(declaim (optimize (speed 0) (safety 3) (debug 3)))
(defpackage :org-ckons-core
(:use :cl :cl-log))
(in-package #:org-ckons-core)
(require :sb-introspect)
(defvar *sendmail-debug* nil
"If non-`nil', email will be sent to the address contained in this
variable instead of the recipient supplied in the call to
`sendmail'.")
;; needed for html.lisp
(defmacro with-gensyms (syms &body body)
`(let ,(mapcar (lambda (s)
`(,s (gensym)))
syms)
,@body))
(defmacro once-only ((&rest names) &body body)
(let ((gensyms (loop for n in names collect (gensym))))
`(let (,@(loop for g in gensyms collect `(,g (gensym))))
`(let (,,@(loop for g in gensyms for n in names collect ``(,,g ,,n)))
,(let (,@(loop for n in names for g in gensyms collect `(,n ,g)))
,@body)))))
(defmacro add-to-list (output-list &rest value-to-add)
"Wraps the SETF...APPEND idiom in a smaller package."
`(setf ,output-list (append ,output-list ,@value-to-add)))
(defmacro format-list (format-string &body body)
`(format nil ,format-string ,@body))
(defun logger (output)
"Logs output to the cl-log log file. Also writes a timestamp to
standard output, which is very useful for correlating the log file and
the dribble file."
(let ((timestamp (net.telent.date:universal-time-to-rfc2822-date (get-universal-time))))
(format t "LOG TIMESTAMP: ~a~%" timestamp)
(log-message :info (format nil "~a: ~a" timestamp output))))
(defun string-to-list (my-string)
"Converts a sequence to a list \(or whatever the sequence is a
string representation of\)."
(with-input-from-string (stream my-string)
(read stream)))
(defmacro add-to-list (output-list &rest value-to-add)
"Wraps the SETF...APPEND idiom in a smaller package."
`(setf ,output-list (append ,output-list ,@value-to-add)))
(defun parse-symbol (my-symbol)
(let ((symbol-parts (ppcre:split "::" (symbol-name my-symbol))))
(if (= (length symbol-parts) 1)
(car symbol-parts)
(cadr symbol-parts))))
(defun flatten (mylist)
(cond ((atom mylist) mylist)
((listp (car mylist))
(append (flatten (car mylist)) (flatten (cdr mylist))))
(t (append (list (car mylist)) (flatten (cdr mylist))))))
(defun match-it (regex field)
"Wraps a PCRE search in a smaller package."
(cl-ppcre:all-matches-as-strings regex field))
(defun cast-float (string-rep)
"Tries to return the float representation of `string-rep'. If
`string-rep' cannot be parsed as a float, returns `nil'."
(let ((read-value (read-from-string string-rep)))
(cond ((floatp read-value) read-value)
((integerp read-value) (float read-value))
(t nil))))
(defun pretty-print (raw-string &optional textbox-p)
"Filters `nil' string values, returning ` ' instead. But if
`textbox-p' is t, it returns an empty string instead of ` '."
(let ((trimmed-string (when raw-string (string-trim '(#\Space #\Tab) raw-string))))
(if (and trimmed-string (> (length trimmed-string) 0))
(format nil "~a" (ppcre:regex-replace-all "\"" trimmed-string """))
(if textbox-p "" " "))))
(defun strip-milliseconds (sql-datetime)
(subseq sql-datetime 0 (position #\. sql-datetime)))
#+sbcl
(defun map-slot-names (instance)
"Returns a list of the names of all the slots of any class instance
using reflection. The returned values are symbols. Only works with
SBCL."
(mapcar 'sb-mop:slot-definition-name (sb-mop:class-slots (class-of instance))))
(defun null-or-empty-p (sequence)
(or (null sequence) (equal (length sequence) 0)))
(defun xml-escape (mystring)
(setf mystring (ppcre:regex-replace-all "<" mystring "<"))
(setf mystring (ppcre:regex-replace-all ">" mystring ">"))
(setf mystring (ppcre:regex-replace-all "&" mystring "&"))
(setf mystring (ppcre:regex-replace-all "\"" mystring """))
(setf mystring (ppcre:regex-replace-all "'" mystring "'"))
mystring)
(defun xml-unescape (mystring)
(setf mystring (ppcre:regex-replace-all "<" mystring "<"))
(setf mystring (ppcre:regex-replace-all ">" mystring ">"))
(setf mystring (ppcre:regex-replace-all "&" mystring "&"))
(setf mystring (ppcre:regex-replace-all """ mystring "\""))
(setf mystring (ppcre:regex-replace-all "'" mystring "'"))
mystring)
(defun trim-last-char (mystring)
(if (null-or-empty-p mystring)
""
(subseq mystring 0 (- (length mystring) 1))))
(defun string-to-real (string-rep)
"Converts a string representation of a number to a rational
representation. For some reason, the lisp community calls rational
numbers `real'. If you pass this method garbage, you will get 0. It
always returns a number."
(if (null-or-empty-p string-rep)
0
(let* ((string-parts (ppcre:split "\\." (string-trim '(#\Space #\Tab) string-rep)))
(integer-portion (parse-integer (car string-parts) :junk-allowed t))
(fractional-portion-string (second string-parts))
(fractional-divisor 1))
(multiple-value-bind (fractional-portion fractional-portion-length)
(if (> (length fractional-portion-string) 0)
(parse-integer fractional-portion-string :junk-allowed t)
(values nil 0))
(when (null integer-portion)
(setf integer-portion 0))
(when (null fractional-portion)
(setf fractional-portion 0))
(when (not (= fractional-portion 0))
(setf fractional-divisor (expt 10 fractional-portion-length)))
(if (>= integer-portion 0)
(+ integer-portion (/ fractional-portion fractional-divisor))
(- integer-portion (/ fractional-portion fractional-divisor)))))))
(defun real-to-string (real-rep &key (places 2))
"Converts a rational representaion of a number into a string
representation, rounded to `places' decimal places."
(when real-rep
(if (= places 0)
(format nil "~a" (parse-integer (format nil "~,2f" real-rep) :junk-allowed t))
(format nil
(format nil "~~,~af" places)
(coerce real-rep 'long-float)))))
(defun double-to-real (double-rep &key (places 2))
"Converts a double to a real. It does this by converting the double
to a string, and then the string to a real. Decimal place truncation
happens when converting to a string."
(string-to-real (real-to-string double-rep :places places)))
(defun pad-with-zeros (string-rep places)
"Left-pads a string representaion of a number with leading zeros to
make it the specified length."
(loop for i from (+ (length string-rep) 1) to places do
(setf string-rep (format nil "0~a" string-rep)))
string-rep)
(defun reduce-to-char-separated-string (mylist char)
(format nil "~a" (reduce (lambda (&optional x y)
(cond ((and x y) (format nil "~a~a~a" x char y))
((and x (not y)) (format nil "~a" x))
((and (not x) y) (format nil "~a" y))
(t "")))
mylist)))
(defun reduce-to-comma-separated-string (mylist)
(reduce-to-char-separated-string mylist ","))
(defun reduce-to-newline-separated-string (mylist)
(reduce-to-char-separated-string mylist #\Newline))
(defun shell-wrapper (command)
"Calls a shell command and returns the output as a list, where each
atom of the list is a string that contains one line of the output."
(let ((output (make-array '(0) :element-type 'character :fill-pointer 0 :adjustable t)))
(with-output-to-string (stream output)
(uffi:run-shell-command command :output stream))
(loop for line in (ppcre:split #\Newline output)
collect line)))
(defmacro sendmail (mail-server from to subject message &key display-name reply-to html-message authentication attachments)
"Wrapper around `cl-smtp:send-email'. `attachments' needs to be a
list of `cl-smtp:attachment' objects if non-nil."
`(cl-smtp:send-email ,mail-server
,from
,(if *sendmail-debug* *sendmail-debug* to)
,(if *sendmail-debug* (format nil "DEBUG ~a" subject) subject)
,message
,@(when display-name `(:display-name ,display-name))
,@(when reply-to `(:reply-to ,reply-to))
,@(when html-message `(:html-message ,html-message))
,@(when authentication `(:authentication ,authentication))
,@(when attachments `(:attachments ,attachments))))
|
