112ac1d3 |
1 | ;; Common Lisp bindings for GTK+ v2.x |
2 | ;; Copyright 1999-2005 Espen S. Johnsen <espen@users.sf.net> |
ee4d9781 |
3 | ;; |
112ac1d3 |
4 | ;; Permission is hereby granted, free of charge, to any person obtaining |
5 | ;; a copy of this software and associated documentation files (the |
6 | ;; "Software"), to deal in the Software without restriction, including |
7 | ;; without limitation the rights to use, copy, modify, merge, publish, |
8 | ;; distribute, sublicense, and/or sell copies of the Software, and to |
9 | ;; permit persons to whom the Software is furnished to do so, subject to |
10 | ;; the following conditions: |
ee4d9781 |
11 | ;; |
112ac1d3 |
12 | ;; The above copyright notice and this permission notice shall be |
13 | ;; included in all copies or substantial portions of the Software. |
ee4d9781 |
14 | ;; |
112ac1d3 |
15 | ;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
16 | ;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
17 | ;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
18 | ;; IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
19 | ;; CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
20 | ;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
21 | ;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
ee4d9781 |
22 | |
112ac1d3 |
23 | ;; $Id: utils.lisp,v 1.5 2005-04-23 16:48:51 espen Exp $ |
ee4d9781 |
24 | |
25 | |
26 | (in-package "GLIB") |
27 | |
28 | (defun type-expand-1 (form) |
29 | (let ((def (cond ((symbolp form) |
73572c12 |
30 | #+cmu(kernel::info type expander form) |
31 | #+sbcl(sb-impl::info :type :expander form)) |
ee4d9781 |
32 | ((and (consp form) (symbolp (car form))) |
73572c12 |
33 | #+cmu(kernel::info type expander (car form)) |
34 | #+sbcl(sb-impl::info :type :expander (car form))) |
ee4d9781 |
35 | (t nil)))) |
36 | (if def |
37 | (values (funcall def (if (consp form) form (list form))) t) |
38 | (values form nil)))) |
39 | |
40 | |
41 | (defun type-expand-to (type form) |
42 | (labels ((expand (form0) |
43 | (if (eq (first (mklist form0)) type) |
44 | form0 |
45 | (multiple-value-bind (expanded-form expanded-p) |
46 | (type-expand-1 form0) |
47 | (if expanded-p |
48 | (expand expanded-form) |
49 | (error "~A can not be expanded to ~A" form type)))))) |
50 | (expand form))) |
51 | |
52 | (defmacro with-gc-disabled (&body body) |
6887e01d |
53 | #+cmu`(system:without-gcing ,@body) |
54 | #+sbcl`(sb-impl::without-gcing ,@body)) |
ee4d9781 |
55 | |
56 | (defun mklist (obj) |
a375e049 |
57 | (if (and obj (atom obj)) (list obj) obj)) |
ee4d9781 |
58 | |
59 | (defun namep (obj) |
60 | (and (symbolp obj) (not (member obj '(t nil))))) |
61 | |
62 | (defun all-equal (&rest objects) |
63 | (or |
64 | (null objects) |
65 | (null (rest objects)) |
66 | (and |
67 | (equal (first objects) (second objects)) |
68 | (apply #'all-equal (rest objects))))) |
69 | |
70 | (defun neq (obj1 obj2) |
71 | (not (eq obj1 obj2))) |
72 | |
73 | (defmacro return-if (form) |
74 | (let ((result (make-symbol "RESULT"))) |
75 | `(let ((,result ,form)) |
76 | (when ,result |
77 | (return ,result))))) |
78 | |
79 | (defun make-pointer (address) |
80 | (int-sap address)) |
81 | |
82 | (defun null-pointer-p (pointer) |
83 | (zerop (sap-int pointer))) |
84 | |
85 | |
86 | (defmacro when-bind ((var expr) &body body) |
87 | `(let ((,var ,expr)) |
88 | (when ,var |
89 | ,@body))) |
90 | |
91 | |
92 | (defmacro assoc-ref (key alist &key (test #'eq)) |
93 | `(cdr (assoc ,key ,alist :test ,test))) |
94 | |
95 | |
96 | (defmacro assoc-lref (key alist &key (test #'eq)) |
97 | `(cadr (assoc ,key ,alist :test ,test))) |
98 | |
99 | |
100 | (defun assoc-rem (key alist &key (test #'eq)) |
101 | (remove-if #'(lambda (element) (funcall test key (car element))) alist)) |
102 | |
103 | |
104 | (defun assoc-delete (key alist &key (test #'eq)) |
105 | (delete-if #'(lambda (element) (funcall test key (car element))) alist)) |
106 | |
107 | |
108 | (defun funcallable (object) |
109 | (if (consp object) |
110 | (fdefinition object) |
111 | object)) |
112 | |
113 | (defun intersection-p (list1 list2 &key (test #'eq)) |
114 | (dolist (obj list1 nil) |
115 | (when (member obj list2 :test test) |
116 | (return-from intersection-p t)))) |
117 | |
118 | |
119 | (defun split-string (string delimiter) |
120 | (declare (simple-string string) (character delimiter)) |
ee4d9781 |
121 | (let ((pos (position delimiter string))) |
122 | (if (not pos) |
123 | (list string) |
124 | (cons |
125 | (subseq string 0 pos) |
126 | (split-string (subseq string (1+ pos)) delimiter))))) |
127 | |
128 | (defun split-string-if (string predicate) |
129 | (declare (simple-string string)) |
ee4d9781 |
130 | (let ((pos (position-if predicate string :start 1))) |
131 | (if (not pos) |
132 | (list string) |
133 | (cons |
134 | (subseq string 0 pos) |
135 | (split-string-if (subseq string pos) predicate))))) |
136 | |
137 | (defun concatenate-strings (strings &optional delimiter) |
138 | (if (not (rest strings)) |
139 | (first strings) |
140 | (concatenate |
141 | 'string |
142 | (first strings) |
143 | (if delimiter (string delimiter) "") |
144 | (concatenate-strings (rest strings) delimiter)))) |
145 | |
146 | (defun string-prefix-p (prefix string) |
147 | (and |
148 | (>= (length string) (length prefix)) |
149 | (string= prefix string :end2 (length prefix)))) |
150 | |
151 | (defun get-all (plist property) |
152 | (multiple-value-bind (property value tail) |
153 | (get-properties plist (list property)) |
154 | (when tail |
155 | (cons value (get-all (cddr tail) property))))) |
156 | |
157 | (defun plist-remove (plist property) |
158 | (when plist |
159 | (if (eq (first plist) property) |
160 | (plist-remove (cddr plist) property) |
161 | (list* |
162 | (first plist) (second plist) (plist-remove (cddr plist) property))))) |
163 | |
164 | |
165 | ;;; |
166 | |
167 | (defun utf-8-encode (code) |
168 | (labels ((encode-bytes (bit) |
169 | (unless (zerop bit) |
170 | (cons |
171 | (deposit-field |
172 | #x80 (byte 7 6) (ldb (byte bit (- bit 6)) code)) |
173 | (encode-bytes (- bit 6))))) |
174 | (encode-string (length) |
175 | (map 'string #'code-char |
176 | (cons |
177 | (deposit-field |
178 | (mask-field (byte 7 (- 7 length)) #xFF) |
179 | (byte 7 (- 6 length)) |
180 | (ldb (byte (+ (* length 6) 6) (* length 6)) code)) |
181 | (encode-bytes (* length 6)))))) |
182 | (cond |
183 | ((< code #x80) (string (code-char code))) |
184 | ((< code #x800) (encode-string 1)) |
185 | ((< code #x10000) (encode-string 2)) |
186 | ((< code #x200000) (encode-string 3)) |
187 | ((< code #x4000000) (encode-string 4)) |
188 | ((< code #x80000000) (encode-string 5)) |
189 | (t (error "Invalid char code ~A" code))))) |
190 | |
191 | |
192 | (defun latin1-to-unicode (string) |
193 | (reduce |
194 | #'(lambda (str1 str2) |
195 | (concatenate 'string str1 str2)) |
196 | (map 'list #'(lambda (char) (utf-8-encode (char-code char))) string))) |