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;; $Id: dbautoc.dsl,v 1.1 2007/01/22 15:16:08 bjori Exp $
;;
;; This file is part of the Modular DocBook Stylesheet distribution.
;; See ../README or http://docbook.sourceforge.net/projects/dsssl/
;;
;; ========================== TABLE OF CONTENTS =========================
(define %toc-indent% 2pi)
(define %toc-spacing-factor% 0.4)
;; Returns the depth of auto TOC that should be made at the nd-level
(define (toc-depth nd)
(if (string=? (gi nd) (normalize "book"))
7
1))
(define (format-page-number)
(current-node-page-number-sosofo))
;; Prints the TOC title if first? is true, otherwise does nothing
(define (toc-title first?)
(let ((hsize (if (or (equal? (gi (current-node)) (normalize "article"))
(equal? (gi (current-node)) (normalize "part")))
(HSIZE 3)
(HSIZE 4))))
(if first?
(make paragraph
font-family-name: %title-font-family%
font-weight: 'bold
font-size: hsize
line-spacing: (* hsize %line-spacing-factor%)
space-before: (* hsize %head-before-factor%)
space-after: (* hsize %head-after-factor%)
start-indent: 0pt
first-line-start-indent: 0pt
quadding: %component-title-quadding%
heading-level: (if %generate-heading-level% 1 0)
keep-with-next?: #t
(literal (gentext-element-name (normalize "toc"))))
(empty-sosofo))))
;; Prints the TOC title if first? is true, otherwise does nothing
(define (lot-title first? lotgi)
(if first?
(make paragraph
font-family-name: %title-font-family%
font-weight: 'bold
font-size: (HSIZE 4)
line-spacing: (* (HSIZE 4) %line-spacing-factor%)
space-before: (* (HSIZE 4) %head-before-factor%)
space-after: (* (HSIZE 4) %head-after-factor%)
start-indent: 0pt
first-line-start-indent: 0pt
quadding: %component-title-quadding%
heading-level: (if %generate-heading-level% 1 0)
keep-with-next?: #t
(literal ($lot-title$ lotgi)))
(empty-sosofo)))
;; Print the TOC entry for tocentry
(define ($toc-entry$ tocentry level)
(make paragraph
start-indent: (+ %body-start-indent%
(* %toc-indent% level))
first-line-start-indent: (* -1 %toc-indent%)
font-weight: (if (= level 1) 'bold 'medium)
space-before: (if (= level 1) (* %toc-spacing-factor% 6pt) 0pt)
space-after: (if (= level 1) (* %toc-spacing-factor% 6pt) 0pt)
keep-with-next?: (if (= level 1) #t #f)
quadding: 'start
(make link
destination: (node-list-address tocentry)
(make sequence
(if (equal? (element-label tocentry) "")
(empty-sosofo)
(make sequence
(element-label-sosofo tocentry)
(literal (gentext-label-title-sep (gi tocentry)))))
(element-title-sosofo tocentry)))
(if (and (= level 1)
;; ??? %chapter-title-page-separate%
%page-number-restart%)
(empty-sosofo) ;; Don't need the leader etc then
(make sequence
(make leader (literal "."))
(make link
destination: (node-list-address tocentry)
(make sequence
(if %page-number-restart%
(literal
(string-append
(if (= level 1)
(element-label tocentry #t)
(substring (element-label tocentry #t)
0 (string-index (element-label tocentry #t) ".")))
(gentext-intra-label-sep "_pagenumber")))
(empty-sosofo))
(with-mode toc-page-number-mode
(process-node-list tocentry))))))))
;; Build a TOC starting at nd reaching down depth levels.
;; The optional arguments are used on recursive calls to build-toc
;; and shouldn't be set by the initial caller...
;;
(define (build-toc nd depth #!optional (first? #t) (level 1))
(let* ((toclist (toc-list-filter
(node-list-filter-by-gi (children nd)
(append (division-element-list)
(component-element-list)
(section-element-list))))))
(if (or (<= depth 0)
(node-list-empty? toclist))
(empty-sosofo)
(make sequence
(toc-title first?)
(let loop ((nl toclist))
(if (node-list-empty? nl)
(empty-sosofo)
(sosofo-append
($toc-entry$ (node-list-first nl) level)
(build-toc (node-list-first nl) (- depth 1) #f (+ level 1))
(loop (node-list-rest nl)))))))))
;; Print the LOT entry
(define ($lot-entry$ tocentry)
(make paragraph
start-indent: (+ %body-start-indent% %toc-indent%)
first-line-start-indent: (* -1 %toc-indent%)
font-weight: 'medium
space-before: 0pt
space-after: 0pt
quadding: 'start
(make link
destination: (node-list-address tocentry)
(make sequence
(if (equal? (element-label tocentry) "")
(empty-sosofo)
(make sequence
(element-label-sosofo tocentry #t)
(literal (gentext-label-title-sep (gi tocentry)))))
(element-title-sosofo tocentry)))
(make leader (literal "."))
(make link
destination: (node-list-address tocentry)
(make sequence
(if %page-number-restart%
(make sequence
(literal (substring (element-label tocentry #t)
0 (string-index (element-label tocentry #t) "-")))
(literal (gentext-intra-label-sep "_pagenumber")))
(empty-sosofo))
(with-mode toc-page-number-mode
(process-node-list tocentry))))))
;; Build a LOT starting at nd for all the lotgi's it contains.
;; The optional arguments are used on recursive calls to build-toc
;; and shouldn't be set by the initial caller...
;;
(define (build-lot nd lotgi #!optional (first? #t))
(let* ((lotlist (select-elements (descendants nd)
(normalize lotgi))))
(if (node-list-empty? lotlist)
(empty-sosofo)
(make sequence
(lot-title first? lotgi)
(let loop ((nl lotlist))
(if (node-list-empty? nl)
(empty-sosofo)
(make sequence
(if (string=? (gi (node-list-first nl)) lotgi)
($lot-entry$ (node-list-first nl))
(empty-sosofo))
(build-lot (node-list-first nl) lotgi #f)
(loop (node-list-rest nl)))))))))
(mode toc-page-number-mode
(default
(format-page-number)))
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