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;;; sui.scm
;;;
;;; Copyright 2003, 2004 Manuel Serrano
;;; Copyright 2005, 2006, 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 sui)
:use-module (skribilo lib)
:use-module (skribilo ast)
:autoload (skribilo parameters) (*verbose*)
:autoload (skribilo reader) (make-reader)
:autoload (skribilo engine) (find-engine)
:autoload (skribilo evaluator) (evaluate-document)
:autoload (skribilo engine html)(html-file)
:use-module (skribilo utils strings)
:use-module (skribilo utils syntax)
:use-module (skribilo utils files)
:use-module (ice-9 match)
:use-module (srfi srfi-1)
:export (load-sui sui-ref->url sui-title sui-file sui-key
sui-find-ref sui-search-ref sui-filter
document-sui sui-referenced-file sui-marks sui-blocks))
(fluid-set! current-reader %skribilo-module-reader)
;;; Author: Manuel Serrano
;;; Commentary:
;;;
;;; Library dealing with Skribe URL Indexes (SUI).
;;;
;;; Code:
;;; The contents of the file below are (almost) unchanged compared to Skribe
;;; 1.2d's `sui.scm' file found in the `common' directory.
;*---------------------------------------------------------------------*/
;* *sui-table* ... */
;*---------------------------------------------------------------------*/
(define *sui-table* (make-hash-table))
;*---------------------------------------------------------------------*/
;* load-sui ... */
;* ------------------------------------------------------------- */
;* Returns a SUI sexp if already loaded. Load it otherwise. */
;* Raise an error if the file cannot be open. */
;*---------------------------------------------------------------------*/
(define (load-sui path)
(let ((sexp (hash-ref *sui-table* path)))
(or sexp
(begin
(when (> (*verbose*) 0)
(format (current-error-port) " [loading sui: ~a]\n" path))
(let ((p (open-input-file path))
(read (make-reader 'skribe)))
(if (not (input-port? p))
(skribe-error 'load-sui
"Can't find `Skribe Url Index' file"
path)
(unwind-protect
(let ((sexp (read p)))
(match sexp
(('sui (? string?) . _)
(hash-set! *sui-table* path sexp))
(else
(skribe-error 'load-sui
"Illegal `Skribe Url Index' file"
path)))
sexp)
(close-input-port p))))))))
;*---------------------------------------------------------------------*/
;* sui-ref->url ... */
;*---------------------------------------------------------------------*/
(define (sui-ref->url dir sui ident opts)
(let ((refs (sui-find-ref sui ident opts)))
(and (pair? refs)
(let ((base (sui-file sui))
(file (car (car refs)))
(mark (cdr (car refs))))
(format #f "~a/~a#~a" dir (or file base) mark)))))
;*---------------------------------------------------------------------*/
;* sui-title ... */
;*---------------------------------------------------------------------*/
(define (sui-title sexp)
(match sexp
(('sui (and title (? string?)) . _)
title)
(else
(skribe-error 'sui-title "Illegal `sui' format" sexp))))
;*---------------------------------------------------------------------*/
;* sui-file ... */
;*---------------------------------------------------------------------*/
(define (sui-file sexp)
(sui-key sexp :file))
;*---------------------------------------------------------------------*/
;* sui-key ... */
;*---------------------------------------------------------------------*/
(define (sui-key sexp key)
(match sexp
(('sui _ . rest)
(let loop ((rest rest))
(and (pair? rest)
(if (eq? (car rest) key)
(and (pair? (cdr rest))
(cadr rest))
(loop (cdr rest))))))
(else
(skribe-error 'sui-key "Illegal `sui' format" sexp))))
;*---------------------------------------------------------------------*/
;* sui-find-ref ... */
;*---------------------------------------------------------------------*/
(define (sui-find-ref sui ident opts)
(let ((ident (assq :ident opts))
(mark (assq :mark opts))
(class (let ((c (assq :class opts)))
(and (pair? c) (cadr c))))
(chapter (assq :chapter opts))
(section (assq :section opts))
(subsection (assq :subsection opts))
(subsubsection (assq :subsubsection opts)))
(match sui
(('sui (? string?) . refs)
(cond
(mark (sui-search-ref 'marks refs (cadr mark) class))
(chapter (sui-search-ref 'chapters refs (cadr chapter) class))
(section (sui-search-ref 'sections refs (cadr section) class))
(subsection (sui-search-ref 'subsections refs (cadr subsection) class))
(subsubsection (sui-search-ref 'subsubsections refs (cadr subsubsection) class))
(ident (sui-search-all-refs sui ident class))
(else '())))
(else
(skribe-error 'sui-find-ref "Illegal `sui' format" sui)))))
;*---------------------------------------------------------------------*/
;* sui-search-all-refs ... */
;*---------------------------------------------------------------------*/
(define (sui-search-all-refs sui id refs)
'())
;*---------------------------------------------------------------------*/
;* sui-search-ref ... */
;*---------------------------------------------------------------------*/
(define (sui-search-ref kind refs val class)
(define (find-ref refs val class)
(map (lambda (r)
(let ((f (memq :file r))
(c (memq :mark r)))
(cons (and (pair? f) (cadr f)) (and (pair? c) (cadr c)))))
(filter (if class
(lambda (m)
(and (pair? m)
(string? (car m))
(string=? (car m) val)
(let ((c (memq :class m)))
(and (pair? c)
(eq? (cadr c) class)))))
(lambda (m)
(and (pair? m)
(string? (car m))
(string=? (car m) val))))
refs)))
(let loop ((refs refs))
(if (pair? refs)
(if (and (pair? (car refs)) (eq? (caar refs) kind))
(find-ref (cdar refs) val class)
(loop (cdr refs)))
'())))
;*---------------------------------------------------------------------*/
;* sui-filter ... */
;*---------------------------------------------------------------------*/
(define (sui-filter sui pred1 pred2)
(match sui
(('sui (? string?) . refs)
(let loop ((refs refs)
(res '()))
(if (pair? refs)
(if (pred1 (car refs))
(loop (cdr refs)
(cons (filter pred2 (cdar refs)) res))
(loop (cdr refs) res))
(reverse! res))))
(else
(skribe-error 'sui-filter "Illegal `sui' format" sui))))
;*---------------------------------------------------------------------*/
;* document-sui ... */
;*---------------------------------------------------------------------*/
(define (document-sui n e)
(define (sui)
(display "(sui \"")
(evaluate-document (markup-option n :title) (find-engine 'html))
(display "\"\n")
(format #t " :file ~s\n" (sui-referenced-file n e))
(sui-marks n e)
(sui-blocks 'chapter n e)
(sui-blocks 'section n e)
(sui-blocks 'subsection n e)
(sui-blocks 'subsubsection n e)
(display " )\n"))
(if (string? (*destination-file*))
(let ((f (format #f "~a.sui" (file-prefix (*destination-file*)))))
(with-output-to-file f sui))
(sui)))
;*---------------------------------------------------------------------*/
;* sui-referenced-file ... */
;*---------------------------------------------------------------------*/
(define (sui-referenced-file n e)
(let ((file (html-file n e)))
(if (member (file-suffix file) '("skb" "sui" "skr" "html"))
(string-append (strip-ref-base (file-prefix file)) ".html")
file)))
;*---------------------------------------------------------------------*/
;* sui-marks ... */
;*---------------------------------------------------------------------*/
(define (sui-marks n e)
(display " (marks")
(for-each (lambda (m)
(format #t "\n (~s" (markup-ident m))
(format #t " :file ~s" (sui-referenced-file m e))
(format #t " :mark ~s" (markup-ident m))
(when (markup-class m)
(format #t " :class ~s" (markup-class m)))
(display ")"))
(search-down (lambda (n) (is-markup? n 'mark)) n))
(display ")\n"))
;*---------------------------------------------------------------------*/
;* sui-blocks ... */
;*---------------------------------------------------------------------*/
(define (sui-blocks kind n e)
(format #t " (~as" kind)
(for-each (lambda (chap)
(display "\n (\"")
(evaluate-document (markup-option chap :title)
(find-engine 'html))
(format #t "\" :file ~s" (sui-referenced-file chap e))
(format #t " :mark ~s" (markup-ident chap))
(when (markup-class chap)
(format #t " :class ~s" (markup-class chap)))
(display ")"))
(container-search-down (lambda (n) (is-markup? n kind)) n))
(display ")\n"))
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