/usr/share/guile-gnome-2/gnome/gobject/utils.scm is in guile-gnome2-glib 2.16.4-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | ;; guile-gnome
;; Copyright (C) 2003,2004,2009 Andy Wingo <wingo at pobox dot com>
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; published by the Free Software Foundation; either version 2 of
;; the License, or (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program; if not, contact:
;;
;; Free Software Foundation Voice: +1-617-542-5942
;; 59 Temple Place - Suite 330 Fax: +1-617-542-2652
;; Boston, MA 02111-1307, USA gnu@gnu.org
;;; Commentary:
;;
;; @c
;; Common utility routines.
;;
;;; Code:
(define-module (gnome gobject utils)
#:use-module (oop goops)
#:use-module (srfi srfi-13)
#:use-module (ice-9 documentation)
#:export (GStudlyCapsExpand
gtype-name->scheme-name-alist gtype-name->scheme-name
gtype-name->class-name gtype-class-name->method-name
re-export-modules
define-macro-with-docs define-with-docs
define-generic-with-docs define-class-with-docs
with-accessors))
;;;
;;; {Miscellaneous}
;;;
(eval-when (expand load eval)
(define-syntax define-macro-with-docs
(lambda (x)
"Define a defmacro with documentation."
(syntax-case x ()
((_ (f . args) doc b0 b* ...)
#'(define-macro (f . args)
doc b0 b* ...))))))
(define-macro-with-docs (define-with-docs name docs val)
"Define @var{name} as @var{val}, documenting the value with
@var{docs}."
`(begin
(define ,name ,val)
(set-object-property! ,name 'documentation ,docs)))
(define-macro-with-docs (define-generic-with-docs name documentation)
"Define a generic named @var{name}, with documentation
@var{documentation}."
`(define-with-docs ,name ,documentation
(make-generic ',name)))
(define-macro-with-docs (define-class-with-docs name supers docs . rest)
"Define a class named @var{name}, with superclasses @var{supers}, with
documentation @var{docs}."
`(begin
(define-class ,name ,supers ,@rest)
(set-object-property! ,name 'documentation ,docs)))
;;;
;;; {Name Transformations}
;;;
;; Based on code from slib's strcase.scm, written 1992 by Dirk
;; Lutzebaeck (lutzeb@cs.tu-berlin.de). Public domain.
(define (GStudlyCapsExpand nstr)
"Expand the StudlyCaps @var{nstr} to a more schemey-form, according to
the conventions of GLib libraries. For example:
@lisp
(GStudlyCapsExpand \"GSource\") @result{} g-source
(GStudlyCapsExpand \"GtkIMContext\") @result{} gtk-im-context
(GStudlyCapsExpand \"GtkHBox\") @result{} gtk-hbox
@end lisp"
(do ((idx (+ -1 (string-length nstr)) (+ -1 idx)))
((> 1 idx) (string-downcase nstr))
(cond ((and (> idx 2)
(char-lower-case? (string-ref nstr (+ -3 idx)))
(char-upper-case? (string-ref nstr (+ -2 idx)))
(char-upper-case? (string-ref nstr (+ -1 idx)))
(char-lower-case? (string-ref nstr idx)))
(set! idx (1- idx))
(set! nstr
(string-append (substring nstr 0 (+ -1 idx))
"-"
(substring nstr (+ -1 idx)
(string-length nstr)))))
((and (> idx 1)
(char-upper-case? (string-ref nstr (+ -1 idx)))
(char-lower-case? (string-ref nstr idx)))
(set! nstr
(string-append (substring nstr 0 (+ -1 idx))
"-"
(substring nstr (+ -1 idx)
(string-length nstr)))))
((and (char-lower-case? (string-ref nstr (+ -1 idx)))
(char-upper-case? (string-ref nstr idx)))
(set! nstr
(string-append (substring nstr 0 idx)
"-"
(substring nstr idx
(string-length nstr))))))))
;; Default name transformations can be overridden
(define-with-docs gtype-name->scheme-name-alist
"An alist of exceptions to the name transformation algorithm
implemented in @code{GStudlyCapsExpand}."
'(("GObject" . "gobject")
("GValue" . "gvalue")
("GClosure" . "gclosure")
("GParamSpec" . "gparam")
;; i hate inconsistency!
("GEnum" . "genum")
("GFlags" . "gflags")
("GValueArray" . "gvalue-array")
("GBoxed" . "gboxed")
("GBoxedSCM" . "gboxed-scm")
("GInterface" . "ginterface")
("GParam" . "gparam")
("GParamBoolean" . "gparam-boolean")
("GParamChar" . "gparam-char")
("GParamUChar" . "gparam-uchar")
("GParamInt" . "gparam-int")
("GParamUInt" . "gparam-uint")
("GParamLong" . "gparam-long")
("GParamULong" . "gparam-ulong")
("GParamInt64" . "gparam-int64")
("GParamUInt64" . "gparam-uint64")
("GParamFloat" . "gparam-float")
("GParamDouble" . "gparam-double")
("GParamString" . "gparam-string")
("GParamEnum" . "gparam-enum")
("GParamFlags" . "gparam-flags")
("GParamObject" . "gparam-object")
("GParamBoxed" . "gparam-boxed")
("GParamPointer" . "gparam-pointer")))
(define (gtype-name->scheme-name type-name)
"Transform a name of a @code{<gtype>}, such as \"GtkWindow\", to a
scheme form, such as @code{gtk-window}, taking into account the
exceptions in @code{gtype-name->scheme-name-alist}, and trimming
trailing dashes if any."
(or (assoc-ref gtype-name->scheme-name-alist type-name)
(string-trim-right
(GStudlyCapsExpand
;; only change _ to -, other characters are not valid in a type name
(string-map (lambda (c) (if (eq? c #\_) #\- c)) type-name))
#\-)))
;; "GtkAccelGroup" => <gtk-accel-group>
;; "GSource*" => <g-source*>
(define (gtype-name->class-name type-name)
"Transform a name of a @code{<gtype>}, such as \"GtkWindow\", to a
suitable name of a Scheme class, such as @code{<gtk-window>}. Uses
@code{gtype-name->scheme-name}."
(string->symbol
(string-append "<" (gtype-name->scheme-name type-name) ">")))
(define (gtype-class-name->method-name class-name name)
"Generate the name of a method given the name of a @code{<gtype>} and
the name of the operation. For example:
@lisp
(gtype-name->method-name \"GtkFoo\" \"bar\") @result{} gtk-foo:bar
@end lisp
Uses @code{gtype-name->scheme-name}."
(let ((class-string (symbol->string class-name)))
(string->symbol
(string-append (substring class-string 1 (1- (string-length class-string)))
":" (symbol->string name)))))
(define-macro (re-export-modules . args)
"Re-export the public interface of a module or modules. Invoked as
@code{(re-export-modules (mod1) (mod2)...)}."
(if (null? args)
'(if #f #f)
`(begin
,@(map (lambda (mod)
(or (list? mod)
(error "Invalid module specification" mod))
`(module-use! (module-public-interface (current-module))
(resolve-interface ',mod)))
args))))
(define-macro (with-accessors names . body)
`(let (,@(map (lambda (name)
;; Ew, fixme.
`(,name (make-procedure-with-setter
(lambda (x) (slot-ref x ',name))
(lambda (x y) (slot-set! x ',name y)))))
names))
,@body))
|