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Diffstat (limited to 'skribe/src/stklos/biblio.stk')
| -rw-r--r-- | skribe/src/stklos/biblio.stk | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/skribe/src/stklos/biblio.stk b/skribe/src/stklos/biblio.stk new file mode 100644 index 0000000..5691588 --- /dev/null +++ b/skribe/src/stklos/biblio.stk @@ -0,0 +1,161 @@ +;;;; +;;;; biblio.stk -- Bibliography functions +;;;; +;;;; Copyright © 2003-2004 Erick Gallesio - I3S-CNRS/ESSI <eg@essi.fr> +;;;; +;;;; +;;;; 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, write to the Free Software +;;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, +;;;; USA.main.st +;;;; +;;;; Author: Erick Gallesio [eg@essi.fr] +;;;; Creation date: 31-Aug-2003 22:07 (eg) +;;;; Last file update: 28-Oct-2004 21:19 (eg) +;;;; + + + +(define-module SKRIBE-BIBLIO-MODULE + (import SKRIBE-RUNTIME-MODULE) + (export bib-tables? make-bib-table default-bib-table + bib-load! resolve-bib resolve-the-bib + bib-sort/authors bib-sort/idents bib-sort/dates) + +(define *bib-table* #f) + +;; Forward declarations +(define skribe-open-bib-file #f) +(define parse-bib #f) + +(include "../common/bib.scm") + +;;;; ====================================================================== +;;;; +;;;; Utilities +;;;; +;;;; ====================================================================== + +(define (make-bib-table ident) + (make-hashtable)) + +(define (bib-table? obj) + (hashtable? obj)) + +(define (default-bib-table) + (unless *bib-table* + (set! *bib-table* (make-bib-table "default-bib-table"))) + *bib-table*) + +;; +;; Utilities +;; +(define (%bib-error who entry) + (let ((msg "bibliography syntax error on entry")) + (if (%epair? entry) + (skribe-line-error (%epair-file entry) (%epair-line entry) who msg entry) + (skribe-error who msg entry)))) + +;;;; ====================================================================== +;;;; +;;;; BIB-DUPLICATE +;;;; +;;;; ====================================================================== +(define (bib-duplicate ident from old) + (let ((ofrom (markup-option old 'from))) + (skribe-warning 2 + 'bib + (format "Duplicated bibliographic entry ~a'.\n" ident) + (if ofrom + (format " Using version of `~a'.\n" ofrom) + "") + (if from + (format " Ignoring version of `~a'." from) + " Ignoring redefinition.")))) + + +;;;; ====================================================================== +;;;; +;;;; PARSE-BIB +;;;; +;;;; ====================================================================== +(define (parse-bib table port) + (if (not (bib-table? table)) + (skribe-error 'parse-bib "Illegal bibliography table" table) + (let ((from (port-file-name port))) + (let Loop ((entry (read port))) + (unless (eof-object? entry) + (cond + ((and (list? entry) (> (length entry) 2)) + (let* ((kind (car entry)) + (key (format "~A" (cadr entry))) + (fields (cddr entry)) + (old (hashtable-get table key))) + (if old + (bib-duplicate ident from old) + (hash-table-put! table + key + (make-bib-entry kind key fields from))) + (Loop (read port)))) + (else + (%bib-error 'bib-parse entry)))))))) + + +;;;; ====================================================================== +;;;; +;;;; BIB-ADD! +;;;; +;;;; ====================================================================== +(define (bib-add! table . entries) + (if (not (bib-table? table)) + (skribe-error 'bib-add! "Illegal bibliography table" table) + (for-each (lambda (entry) + (cond + ((and (list? entry) (> (length entry) 2)) + (let* ((kind (car entry)) + (key (format "~A" (cadr entry))) + (fields (cddr entry)) + (old (hashtable-get table ident))) + (if old + (bib-duplicate key #f old) + (hash-table-put! table + key + (make-bib-entry kind key fields #f))))) + (else + (%bib-error 'bib-add! entry)))) + entries))) + + +;;;; ====================================================================== +;;;; +;;;; SKRIBE-OPEN-BIB-FILE +;;;; +;;;; ====================================================================== +;; FIXME: Factoriser +(define (skribe-open-bib-file file command) + (let ((path (find-path file *skribe-bib-path*))) + (if (string? path) + (begin + (when (> *skribe-verbose* 0) + (format (current-error-port) " [loading bibliography: ~S]\n" path)) + (open-input-file (if (string? command) + (string-append "| " + (format command path)) + path))) + (begin + (skribe-warning 1 + 'bibliography + "Can't find bibliography -- " file) + #f)))) + +) |