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;;; lncs.scm -- The Skribilo style for LNCS articles.
;;;
;;; Copyright 2003, 2004 Manuel Serrano
;;; Copyright 2007 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
;;; USA.
(define-module (skribilo package lncs)
:use-module (skribilo ast)
:use-module (skribilo engine)
:use-module (skribilo writer)
:autoload (skribilo output) (output)
:autoload (skribilo package base) (section font flush
toc the-bibliography)
:autoload (skribilo utils keywords) (the-options the-body)
:use-module (skribilo lib)
:use-module (skribilo utils syntax)
:use-module (ice-9 optargs)
:export (abstract references))
(fluid-set! current-reader %skribilo-module-reader)
;*---------------------------------------------------------------------*/
;* LaTeX global customizations */
;*---------------------------------------------------------------------*/
(let ((le (find-engine 'latex)))
(engine-custom-set! le 'documentclass "\\documentclass{llncs}")
(engine-custom-set! le 'class-has-chapters? #f)
;; &latex-author
(markup-writer '&latex-author le
:action (lambda (n e)
(define (&latex-inst-body n)
(let ((affiliation (markup-option n :affiliation))
(address (markup-option n :address)))
(when affiliation (output affiliation e) (display ", "))
(when address
(for-each (lambda (a) (output a e) (display " "))
address)
(newline))))
(define (&latex-inst-n i)
(display "\\institute{\n")
(&latex-inst-body (car i))
(for-each (lambda (n)
(display "\\and\n")
(&latex-inst-body n))
(cdr i))
(display "}\n"))
(define (&latex-author-1 n)
(display "\\author{\n")
(output n e)
(display "}\n"))
(define (&latex-author-n n)
(display "\\author{\n")
(output (car n) e)
(for-each (lambda (a)
(display " and ")
(output a e))
(cdr n))
(display "}\n"))
(let ((body (markup-body n)))
(cond
((is-markup? body 'author)
(markup-option-add! n 'inst 1)
(&latex-author-1 body)
(&latex-inst-n (list body)))
((and (list? body)
(every? (lambda (b) (is-markup? b 'author))
body))
(define (institute=? n1 n2)
(let ((aff1 (markup-option n1 :affiliation))
(add1 (markup-option n1 :address))
(aff2 (markup-option n2 :affiliation))
(add2 (markup-option n2 :address)))
(and (equal? aff1 aff2) (equal? add1 add2))))
(define (search-institute n i j)
(cond
((null? i)
#f)
((institute=? n (car i))
j)
(else
(search-institute n (cdr i) (- j 1)))))
(if (null? (cdr body))
(begin
(markup-option-add! (car body) 'inst 1)
(&latex-author-1 (car body))
(&latex-inst-n body))
;; collect the institutes
(let loop ((ns body)
(is '())
(j 1))
(if (null? ns)
(begin
(&latex-author-n body)
(&latex-inst-n (reverse! is)))
(let* ((n (car ns))
(si (search-institute n is (- j 1))))
(if (integer? si)
(begin
(markup-option-add! n 'inst si)
(loop (cdr ns) is j))
(begin
(markup-option-add! n 'inst j)
(loop (cdr ns)
(cons n is)
(+ 1 j)))))))))
(else
(skribe-error 'author
"Illegal `lncs' author"
body))))))
;; author
(let ((old-author (markup-writer-get 'author le)))
(markup-writer 'author le
:options (writer-options old-author)
:action (lambda (n e)
(let ((name (markup-option n :name))
(title (markup-option n :title))
(inst (markup-option n 'inst)))
(if name (output name e))
(if title (output title e))
(if inst (printf "\\inst{~a}\n" inst)))))))
;*---------------------------------------------------------------------*/
;* HTML global customizations */
;*---------------------------------------------------------------------*/
(let ((he (find-engine 'html)))
(markup-writer '&html-lncs-abstract he
:action (lambda (n e)
(let* ((bg (or (engine-custom e 'abstract-background)
"#cccccc"))
(exp (p (center (color :bg bg :width 90.
(markup-body n))))))
(skribe-eval exp e)))))
;*---------------------------------------------------------------------*/
;* abstract ... */
;*---------------------------------------------------------------------*/
(define-markup (abstract :rest opt :key postscript)
(let ((w (markup-writer-get 'lncs-abstract (*current-engine*))))
(if (writer? w)
(new markup
(markup 'lncs-abstract)
(options (the-options opt))
(body (the-body opt)))
(let ((a (new markup
(markup '&html-lncs-abstract)
(body (the-body opt)))))
(list (if postscript
(section :number #f :toc #f :title "Postscript Download"
postscript))
(section :number #f :toc #f :title "Abstract" a)
(section :number #f :toc #f :title "Table of Contents"
(toc :subsection #t)))))))
;*---------------------------------------------------------------------*/
;* references ... */
;*---------------------------------------------------------------------*/
(define (references)
(list "\n\n"
(if (engine-format? "latex")
(font :size -1 (flush :side 'left (the-bibliography)))
(section :title "References"
(font :size -1 (the-bibliography))))))
;;;
;;; Writers for LaTeX's `llncs' document class.
;;;
(when-engine-is-loaded 'latex
(lambda ()
(let ((latex (find-engine 'latex)))
;; Use the `abstract' command provided by the `llncs' class.
(markup-writer 'lncs-abstract latex
:before "\n\\begin{abstract}\n"
:after "\n\\end{abstract}\n"))))
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