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0f2d19dd JB |
1 | ;;; installed-scm-file |
2 | ||
72ad03fc | 3 | ;;;; Copyright (C) 1996, 2001, 2006, 2013 Free Software Foundation, Inc. |
0f2d19dd | 4 | ;;;; |
73be1d9e MV |
5 | ;;;; This library is free software; you can redistribute it and/or |
6 | ;;;; modify it under the terms of the GNU Lesser General Public | |
7 | ;;;; License as published by the Free Software Foundation; either | |
53befeb7 | 8 | ;;;; version 3 of the License, or (at your option) any later version. |
0f2d19dd | 9 | ;;;; |
73be1d9e | 10 | ;;;; This library is distributed in the hope that it will be useful, |
0f2d19dd | 11 | ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
73be1d9e MV |
12 | ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | ;;;; Lesser General Public License for more details. | |
0f2d19dd | 14 | ;;;; |
73be1d9e MV |
15 | ;;;; You should have received a copy of the GNU Lesser General Public |
16 | ;;;; License along with this library; if not, write to the Free Software | |
92205699 | 17 | ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
0f2d19dd JB |
18 | ;;;; |
19 | ||
20 | \f | |
21 | ||
8bb7330c | 22 | (define-module (ice-9 mapping) |
1a179b03 MD |
23 | :use-module (ice-9 poe) |
24 | :export (mapping-hooks-type make-mapping-hooks mapping-hooks? | |
25 | mapping-hooks-get-handle mapping-hooks-create-handle | |
26 | mapping-hooks-remove mapping-type make-mapping mapping? | |
27 | mapping-hooks mapping-data set-mapping-hooks! set-mapping-data! | |
28 | mapping-get-handle mapping-create-handle! mapping-remove! | |
29 | mapping-ref mapping-set! hash-table-mapping-hooks | |
30 | make-hash-table-mapping hash-table-mapping)) | |
31 | ||
72ad03fc AW |
32 | (issue-deprecation-warning |
33 | "(ice-9 mapping) is deprecated. Use srfi-69 or rnrs hash tables instead.") | |
34 | ||
1a179b03 MD |
35 | (define mapping-hooks-type (make-record-type 'mapping-hooks '(get-handle |
36 | create-handle | |
37 | remove))) | |
38 | ||
39 | ||
40 | (define make-mapping-hooks (perfect-funcq 17 (record-constructor mapping-hooks-type))) | |
41 | (define mapping-hooks? (record-predicate mapping-hooks-type)) | |
42 | (define mapping-hooks-get-handle (record-accessor mapping-hooks-type 'get-handle)) | |
43 | (define mapping-hooks-create-handle (record-accessor mapping-hooks-type 'create-handle)) | |
44 | (define mapping-hooks-remove (record-accessor mapping-hooks-type 'remove)) | |
45 | ||
46 | (define mapping-type (make-record-type 'mapping '(hooks data))) | |
47 | (define make-mapping (record-constructor mapping-type)) | |
48 | (define mapping? (record-predicate mapping-type)) | |
49 | (define mapping-hooks (record-accessor mapping-type 'hooks)) | |
50 | (define mapping-data (record-accessor mapping-type 'data)) | |
51 | (define set-mapping-hooks! (record-modifier mapping-type 'hooks)) | |
52 | (define set-mapping-data! (record-modifier mapping-type 'data)) | |
53 | ||
54 | (define (mapping-get-handle map key) | |
0f2d19dd | 55 | ((mapping-hooks-get-handle (mapping-hooks map)) map key)) |
1746b8ff DH |
56 | (define (mapping-create-handle! map key init) |
57 | ((mapping-hooks-create-handle (mapping-hooks map)) map key init)) | |
1a179b03 | 58 | (define (mapping-remove! map key) |
0f2d19dd JB |
59 | ((mapping-hooks-remove (mapping-hooks map)) map key)) |
60 | ||
1746b8ff | 61 | (define* (mapping-ref map key #:optional dflt) |
0f2d19dd | 62 | (cond |
1746b8ff DH |
63 | ((mapping-get-handle map key) => cdr) |
64 | (else dflt))) | |
0f2d19dd | 65 | |
1a179b03 | 66 | (define (mapping-set! map key val) |
0f2d19dd JB |
67 | (set-cdr! (mapping-create-handle! map key #f) val)) |
68 | ||
69 | \f | |
70 | ||
1a179b03 | 71 | (define hash-table-mapping-hooks |
0f2d19dd JB |
72 | (let ((wrap (lambda (proc) (lambda (1st . rest) (apply proc (mapping-data 1st) rest))))) |
73 | ||
74 | (perfect-funcq 17 | |
1746b8ff DH |
75 | (lambda (hash-proc assoc-proc) |
76 | (let ((procs (list hash-proc assoc-proc))) | |
0f2d19dd | 77 | (cond |
1746b8ff | 78 | ((equal? procs `(,hashq ,assq)) |
0f2d19dd JB |
79 | (make-mapping-hooks (wrap hashq-get-handle) |
80 | (wrap hashq-create-handle!) | |
81 | (wrap hashq-remove!))) | |
1746b8ff | 82 | ((equal? procs `(,hashv ,assv)) |
0f2d19dd JB |
83 | (make-mapping-hooks (wrap hashv-get-handle) |
84 | (wrap hashv-create-handle!) | |
85 | (wrap hashv-remove!))) | |
1746b8ff | 86 | ((equal? procs `(,hash ,assoc)) |
0f2d19dd JB |
87 | (make-mapping-hooks (wrap hash-get-handle) |
88 | (wrap hash-create-handle!) | |
89 | (wrap hash-remove!))) | |
90 | (else | |
91 | (make-mapping-hooks (wrap | |
92 | (lambda (table key) | |
93 | (hashx-get-handle hash-proc assoc-proc table key))) | |
94 | (wrap | |
1746b8ff DH |
95 | (lambda (table key init) |
96 | (hashx-create-handle! hash-proc assoc-proc table key init))) | |
0f2d19dd JB |
97 | (wrap |
98 | (lambda (table key) | |
1746b8ff DH |
99 | (hashx-remove! hash-proc assoc-proc table key))))))))))) |
100 | ||
101 | (define (make-hash-table-mapping table hash-proc assoc-proc) | |
102 | (make-mapping (hash-table-mapping-hooks hash-proc assoc-proc) table)) | |
103 | ||
104 | (define* (hash-table-mapping #:optional (size 71) #:key | |
105 | (hash-proc hash) | |
106 | (assoc-proc | |
107 | (or (assq-ref `((,hashq . ,assq) | |
108 | (,hashv . ,assv) | |
109 | (,hash . ,assoc)) | |
110 | hash-proc) | |
111 | (error 'hash-table-mapping | |
112 | "Hash-procedure specified with no known assoc function." | |
113 | hash-proc))) | |
114 | (table-constructor | |
115 | (lambda (len) (make-vector len '())))) | |
116 | (make-hash-table-mapping (table-constructor size) | |
117 | hash-proc | |
118 | assoc-proc)) |