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|
;;; lib.scm
;;;
;;; Copyright 2001, 2002, 2003, 2004 Manuel Serrano
;;; Copyright 2005 Ludovic Court�s <ludovic.courtes@laas.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.
(define-skribe-module (skribilo skribe bib))
;;; Author: Manuel Serrano
;;; Commentary:
;;;
;;; A library of bibliography-related functions.
;;;
;;; Code:
;;; The contents of the file below are unchanged compared to Skribe 1.2d's
;;; `bib.scm' file found in the `common' directory.
;*---------------------------------------------------------------------*/
;* bib-load! ... */
;*---------------------------------------------------------------------*/
(define-public (bib-load! table filename command)
(if (not (bib-table? table))
(skribe-error 'bib-load "Illegal bibliography table" table)
;; read the file
(let ((p (skribe-open-bib-file filename command)))
(if (not (input-port? p))
(skribe-error 'bib-load "Can't open data base" filename)
(unwind-protect
(parse-bib table p)
(close-input-port p))))))
;*---------------------------------------------------------------------*/
;* resolve-bib ... */
;*---------------------------------------------------------------------*/
(define-public (resolve-bib table ident)
(if (not (bib-table? table))
(skribe-error 'resolve-bib "Illegal bibliography table" table)
(let* ((i (cond
((string? ident) ident)
((symbol? ident) (symbol->string ident))
(else (skribe-error 'resolve-bib "Illegal ident" ident))))
(en (hashtable-get table i)))
(if (is-markup? en '&bib-entry)
en
#f))))
;*---------------------------------------------------------------------*/
;* make-bib-entry ... */
;*---------------------------------------------------------------------*/
(define-public (make-bib-entry kind ident fields from)
(let* ((m (new markup
(markup '&bib-entry)
(ident ident)
(options `((kind ,kind) (from ,from)))))
(h (new handle
(ast m))))
(for-each (lambda (f)
(if (and (pair? f)
(pair? (cdr f))
(null? (cddr f))
(symbol? (car f)))
(markup-option-add! m
(car f)
(new markup
(markup (symbol-append
'&bib-entry-
(car f)))
(parent h)
(body (cadr f))))
(bib-parse-error f)))
fields)
m))
;*---------------------------------------------------------------------*/
;* bib-sort/authors ... */
;*---------------------------------------------------------------------*/
(define-public (bib-sort/authors l)
(define (cmp i1 i2 def)
(cond
((and (markup? i1) (markup? i2))
(cmp (markup-body i1) (markup-body i2) def))
((markup? i1)
(cmp (markup-body i1) i2 def))
((markup? i2)
(cmp i1 (markup-body i2) def))
((and (string? i1) (string? i2))
(if (string=? i1 i2)
(def)
(string<? i1 i2)))
((string? i1)
#f)
((string? i2)
#t)
(else
(def))))
(sort l (lambda (e1 e2)
(cmp (markup-option e1 'author)
(markup-option e2 'author)
(lambda ()
(cmp (markup-option e1 'year)
(markup-option e2 'year)
(lambda ()
(cmp (markup-option e1 'title)
(markup-option e2 'title)
(lambda ()
(cmp (markup-ident e1)
(markup-ident e2)
(lambda ()
#t)))))))))))
;*---------------------------------------------------------------------*/
;* bib-sort/idents ... */
;*---------------------------------------------------------------------*/
(define-public (bib-sort/idents l)
(sort l (lambda (e f) (string<? (markup-ident e) (markup-ident f)))))
;*---------------------------------------------------------------------*/
;* bib-sort/dates ... */
;*---------------------------------------------------------------------*/
(define-public (bib-sort/dates l)
(sort l (lambda (p1 p2)
(define (month-num m)
(let ((body (markup-body m)))
(if (not (string? body))
13
(let* ((s (if (> (string-length body) 3)
(substring body 0 3)
body))
(sy (string->symbol (string-downcase body)))
(c (assq sy '((jan . 1)
(feb . 2)
(mar . 3)
(apr . 4)
(may . 5)
(jun . 6)
(jul . 7)
(aug . 8)
(sep . 9)
(oct . 10)
(nov . 11)
(dec . 12)))))
(if (pair? c) (cdr c) 13)))))
(let ((d1 (markup-option p1 'year))
(d2 (markup-option p2 'year)))
(cond
((not (markup? d1)) #f)
((not (markup? d2)) #t)
(else
(let ((y1 (markup-body d1))
(y2 (markup-body d2)))
(cond
((string>? y1 y2) #t)
((string<? y1 y2) #f)
(else
(let ((d1 (markup-option p1 'month))
(d2 (markup-option p2 'month)))
(cond
((not (markup? d1)) #f)
((not (markup? d2)) #t)
(else
(let ((m1 (month-num d1))
(m2 (month-num d2)))
(> m1 m2))))))))))))))
;*---------------------------------------------------------------------*/
;* resolve-the-bib ... */
;*---------------------------------------------------------------------*/
(define-public (resolve-the-bib table n sort pred count opts)
(define (count! entries)
(let loop ((es entries)
(i 1))
(if (pair? es)
(begin
(markup-option-add! (car es)
:title
(new markup
(markup '&bib-entry-ident)
(parent (car es))
(options `((number ,i)))
(body (new handle
(ast (car es))))))
(loop (cdr es) (+ i 1))))))
(if (not (bib-table? table))
(skribe-error 'resolve-the-bib "Illegal bibliography table" table)
(let* ((es (sort (hashtable->list table)))
(fes (filter (if (procedure? pred)
(lambda (m) (pred m n))
(lambda (m) (pair? (markup-option m 'used))))
es)))
(count! (if (eq? count 'full) es fes))
(new markup
(markup '&the-bibliography)
(options opts)
(body fes)))))
;;; bib.scm ends here
|
