Initial import of Skribe 1.2d.

Initial import of Skribe 1.2d.


git-archimport-id: lcourtes@laas.fr--2004-libre/skribilo--devel--1.2--base-0

1 files changed, 166 insertions, 0 deletions

diff --git a/skribe/src/common/sui.scm b/skribe/src/common/sui.scm
new file mode 100644
index 0000000..eb6134b
--- /dev/null
+++ b/skribe/src/common/sui.scm
@@ -0,0 +1,166 @@
+;*=====================================================================*/
+;*    serrano/prgm/project/skribe/src/common/sui.scm                   */
+;*    -------------------------------------------------------------    */
+;*    Author      :  Manuel Serrano                                    */
+;*    Creation    :  Wed Dec 31 11:44:33 2003                          */
+;*    Last change :  Tue Feb 17 11:35:32 2004 (serrano)                */
+;*    Copyright   :  2003-04 Manuel Serrano                            */
+;*    -------------------------------------------------------------    */
+;*    Skribe Url Indexes                                               */
+;*    -------------------------------------------------------------    */
+;*    Implementation: @label lib@                                      */
+;*    bigloo: @path ../bigloo/sui.bgl@                                 */
+;*=====================================================================*/
+
+;*---------------------------------------------------------------------*/
+;*    *sui-table* ...                                                  */
+;*---------------------------------------------------------------------*/
+(define *sui-table* (make-hashtable))
+
+;*---------------------------------------------------------------------*/
+;*    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 (hashtable-get *sui-table* path)))
+      (or sexp
+	  (begin
+	     (when (> *skribe-verbose* 0)
+		(fprintf (current-error-port) "  [loading sui: ~a]\n" path))
+	     (let ((p (open-input-file path)))
+		(if (not (input-port? p))
+		    (skribe-error 'load-sui
+				  "Can't find `Skribe Url Index' file"
+				  path)
+		    (unwind-protect
+		       (let ((sexp (read p)))
+			  (match-case sexp
+			     ((sui (? string?) . ?-)
+			      (hashtable-put! *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 "~a/~a#~a" dir (or file base) mark)))))
+
+;*---------------------------------------------------------------------*/
+;*    sui-title ...                                                    */
+;*---------------------------------------------------------------------*/
+(define (sui-title sexp)
+   (match-case 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-case 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-case 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-case sui
+      ((sui (? string?) . ?refs)
+       (let loop ((refs refs)
+		  (res '()))
+	  (if (pair? refs)
+	      (if (and (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))))