Spaces:
Sleeping
Sleeping
| ;;; installed-scm-file | |
| ;;;; Copyright (C) 1996, 2001, 2006, 2013 Free Software Foundation, Inc. | |
| ;;;; | |
| ;;;; This library is free software; you can redistribute it and/or | |
| ;;;; modify it under the terms of the GNU Lesser General Public | |
| ;;;; License as published by the Free Software Foundation; either | |
| ;;;; version 3 of the License, or (at your option) any later version. | |
| ;;;; | |
| ;;;; This library 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 | |
| ;;;; Lesser General Public License for more details. | |
| ;;;; | |
| ;;;; You should have received a copy of the GNU Lesser General Public | |
| ;;;; License along with this library; if not, write to the Free Software | |
| ;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| ;;;; | |
| (define-module (ice-9 mapping) | |
| :use-module (ice-9 poe) | |
| :export (mapping-hooks-type make-mapping-hooks mapping-hooks? | |
| mapping-hooks-get-handle mapping-hooks-create-handle | |
| mapping-hooks-remove mapping-type make-mapping mapping? | |
| mapping-hooks mapping-data set-mapping-hooks! set-mapping-data! | |
| mapping-get-handle mapping-create-handle! mapping-remove! | |
| mapping-ref mapping-set! hash-table-mapping-hooks | |
| make-hash-table-mapping hash-table-mapping)) | |
| (issue-deprecation-warning | |
| "(ice-9 mapping) is deprecated. Use srfi-69 or rnrs hash tables instead.") | |
| (define mapping-hooks-type (make-record-type 'mapping-hooks '(get-handle | |
| create-handle | |
| remove))) | |
| (define make-mapping-hooks (perfect-funcq 17 (record-constructor mapping-hooks-type))) | |
| (define mapping-hooks? (record-predicate mapping-hooks-type)) | |
| (define mapping-hooks-get-handle (record-accessor mapping-hooks-type 'get-handle)) | |
| (define mapping-hooks-create-handle (record-accessor mapping-hooks-type 'create-handle)) | |
| (define mapping-hooks-remove (record-accessor mapping-hooks-type 'remove)) | |
| (define mapping-type (make-record-type 'mapping '(hooks data))) | |
| (define make-mapping (record-constructor mapping-type)) | |
| (define mapping? (record-predicate mapping-type)) | |
| (define mapping-hooks (record-accessor mapping-type 'hooks)) | |
| (define mapping-data (record-accessor mapping-type 'data)) | |
| (define set-mapping-hooks! (record-modifier mapping-type 'hooks)) | |
| (define set-mapping-data! (record-modifier mapping-type 'data)) | |
| (define (mapping-get-handle map key) | |
| ((mapping-hooks-get-handle (mapping-hooks map)) map key)) | |
| (define (mapping-create-handle! map key init) | |
| ((mapping-hooks-create-handle (mapping-hooks map)) map key init)) | |
| (define (mapping-remove! map key) | |
| ((mapping-hooks-remove (mapping-hooks map)) map key)) | |
| (define* (mapping-ref map key #:optional dflt) | |
| (cond | |
| ((mapping-get-handle map key) => cdr) | |
| (else dflt))) | |
| (define (mapping-set! map key val) | |
| (set-cdr! (mapping-create-handle! map key #f) val)) | |
| (define hash-table-mapping-hooks | |
| (let ((wrap (lambda (proc) (lambda (1st . rest) (apply proc (mapping-data 1st) rest))))) | |
| (perfect-funcq 17 | |
| (lambda (hash-proc assoc-proc) | |
| (let ((procs (list hash-proc assoc-proc))) | |
| (cond | |
| ((equal? procs `(,hashq ,assq)) | |
| (make-mapping-hooks (wrap hashq-get-handle) | |
| (wrap hashq-create-handle!) | |
| (wrap hashq-remove!))) | |
| ((equal? procs `(,hashv ,assv)) | |
| (make-mapping-hooks (wrap hashv-get-handle) | |
| (wrap hashv-create-handle!) | |
| (wrap hashv-remove!))) | |
| ((equal? procs `(,hash ,assoc)) | |
| (make-mapping-hooks (wrap hash-get-handle) | |
| (wrap hash-create-handle!) | |
| (wrap hash-remove!))) | |
| (else | |
| (make-mapping-hooks (wrap | |
| (lambda (table key) | |
| (hashx-get-handle hash-proc assoc-proc table key))) | |
| (wrap | |
| (lambda (table key init) | |
| (hashx-create-handle! hash-proc assoc-proc table key init))) | |
| (wrap | |
| (lambda (table key) | |
| (hashx-remove! hash-proc assoc-proc table key))))))))))) | |
| (define (make-hash-table-mapping table hash-proc assoc-proc) | |
| (make-mapping (hash-table-mapping-hooks hash-proc assoc-proc) table)) | |
| (define* (hash-table-mapping #:optional (size 71) #:key | |
| (hash-proc hash) | |
| (assoc-proc | |
| (or (assq-ref `((,hashq . ,assq) | |
| (,hashv . ,assv) | |
| (,hash . ,assoc)) | |
| hash-proc) | |
| (error 'hash-table-mapping | |
| "Hash-procedure specified with no known assoc function." | |
| hash-proc))) | |
| (table-constructor | |
| (lambda (len) (make-vector len '())))) | |
| (make-hash-table-mapping (table-constructor size) | |
| hash-proc | |
| assoc-proc)) | |