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authorLudovic Court`es2005-06-15 13:00:39 +0000
committerLudovic Court`es2005-06-15 13:00:39 +0000
commitfc42fe56a57eace2dbdb31574c2e161f0eacf839 (patch)
tree18111570156cb0e3df0d81c8d104517a2263fd2c /skribe/tools/skribebibtex/bigloo/skribebibtex.scm
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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
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+;*=====================================================================*/
+;* .../skribe/tools/skribebibtex/bigloo/skribebibtex.scm */
+;* ------------------------------------------------------------- */
+;* Author : Manuel Serrano */
+;* Creation : Fri Oct 12 14:57:58 2001 */
+;* Last change : Sun Apr 10 09:10:02 2005 (serrano) */
+;* Copyright : 2001-05 Manuel Serrano */
+;* ------------------------------------------------------------- */
+;* The bibtex->skribe translator */
+;*=====================================================================*/
+
+;*---------------------------------------------------------------------*/
+;* The module */
+;*---------------------------------------------------------------------*/
+(module skribebibtex
+ (export (skribebibtex in)))
+
+;*---------------------------------------------------------------------*/
+;* skribebibtex ... */
+;*---------------------------------------------------------------------*/
+(define (skribebibtex in)
+ (let* ((port (if (string? in)
+ (let ((p (open-input-file in)))
+ (if (not (input-port? p))
+ (error "skribebibtext"
+ "Can't read input file"
+ in)
+ p))
+ (current-input-port)))
+ (sexp (parse-bibtex port)))
+ (for-each (lambda (e)
+ (match-case e
+ ((?kind ?ident . ?fields)
+ (display* "("
+ (string-downcase (symbol->string kind))
+ " \"" ident "\"")
+ (for-each (lambda (f)
+ (display* "\n (" (car f) " ")
+ (write (cdr f))
+ (display ")"))
+ fields)
+ (print ")\n"))))
+ sexp)))
+
+;*---------------------------------------------------------------------*/
+;* *bibtex-string-table* ... */
+;*---------------------------------------------------------------------*/
+(define *bibtex-string-table* #unspecified)
+
+;*---------------------------------------------------------------------*/
+;* make-bibtex-hashtable ... */
+;*---------------------------------------------------------------------*/
+(define (make-bibtex-hashtable)
+ (let ((table (make-hashtable)))
+ (for-each (lambda (k)
+ (let ((cp (string-capitalize k)))
+ (hashtable-put! table k cp)
+ (hashtable-put! table cp cp)))
+ '("jan" "feb" "mar" "apr" "may" "jun" "jul"
+ "aug" "sep" "oct" "nov" "dec"))
+ table))
+
+;*---------------------------------------------------------------------*/
+;* parse-bibtex ... */
+;*---------------------------------------------------------------------*/
+(define (parse-bibtex port::input-port)
+ (set! *bibtex-string-table* (make-bibtex-hashtable))
+ (cond-expand
+ (bigloo2.6
+ (try (read/lalrp bibtex-parser bibtex-lexer port)
+ (lambda (escape proc mes obj)
+ (match-case obj
+ ((?token (?fname . ?pos) . ?val)
+ (error/location proc "bibtex parse error" token fname pos))
+ (else
+ (notify-error proc mes obj)
+ (error proc mes obj))))))
+ (else
+ (with-exception-handler
+ (lambda (e)
+ (if (&io-parse-error? e)
+ (let ((o (&error-obj e)))
+ (match-case o
+ ((?token (?fname . ?pos) . ?val)
+ (error/location (&error-proc e)
+ "bibtex parse error"
+ token
+ fname
+ pos))
+ (else
+ (raise e))))
+ (raise e)))
+ (lambda ()
+ (read/lalrp bibtex-parser bibtex-lexer port))))))
+
+;*---------------------------------------------------------------------*/
+;* the-coord ... */
+;*---------------------------------------------------------------------*/
+(define (the-coord port)
+ (cons (input-port-name port) (input-port-position port)))
+
+;*---------------------------------------------------------------------*/
+;* bibtex-lexer ... */
+;*---------------------------------------------------------------------*/
+(define bibtex-lexer
+ (regular-grammar ((blank (in " \t\n")))
+ ;; separators
+ ((+ blank)
+ (list 'BLANK (the-coord (the-port))))
+ ;; comments
+ ((: "%" (* all))
+ (ignore))
+ ;; egal sign
+ (#\=
+ (list 'EGAL (the-coord (the-port))))
+ ;; sharp sign
+ ((: (* blank) #\# (* blank))
+ (list 'SHARP (the-coord (the-port))))
+ ;; open bracket
+ (#\{
+ (list 'BRA-OPEN (the-coord (the-port))))
+ ;; close bracket
+ (#\}
+ (list 'BRA-CLO (the-coord (the-port))))
+ ;; comma
+ (#\,
+ (list 'COMMA (the-coord (the-port))))
+ ;; double quote
+ ((: #\\ (in "\"\\_"))
+ (list 'CHAR (the-coord (the-port)) (the-character)))
+ ;; optional linebreak
+ ((: #\\ #\-)
+ (ignore))
+ ;; special latin characters
+ ((or "{\\'e}" "\\'e")
+ (list 'CHAR (the-coord (the-port)) "é"))
+ ((or "{\\o}" "\\o")
+ (list 'CHAR (the-coord (the-port)) "ø"))
+ ((or "{\\~{n}}" "\\~{n}")
+ (list 'CHAR (the-coord (the-port)) "ñ"))
+ ((or "{\\~{N}}" "\\~{N}")
+ (list 'CHAR (the-coord (the-port)) "Ñ"))
+ ((or "{\\^{o}}" "\\^{o}")
+ (list 'CHAR (the-coord (the-port)) "ô"))
+ ((or "{\\^{O}}" "\\^{O}")
+ (list 'CHAR (the-coord (the-port)) "Ô"))
+ ((or "{\\\"{o}}" "\\\"{o}")
+ (list 'CHAR (the-coord (the-port)) "ö"))
+ ((or "{\\\"{O}}" "\\\"{O}")
+ (list 'CHAR (the-coord (the-port)) "Ö"))
+ ((or "{\\`e}" "\\`e")
+ (list 'CHAR (the-coord (the-port)) "è"))
+ ((or "{\\`a}" "\\`a")
+ (list 'CHAR (the-coord (the-port)) "à"))
+ ((or "{\\\"i}" "{\\\"{i}}" "\\\"i" "\\\"{i}")
+ (list 'CHAR (the-coord (the-port)) "ï"))
+ ((or "{\\\"u}" "\\\"u")
+ (list 'CHAR (the-coord (the-port)) "ü"))
+ ((or "{\\`u}" "\\`u")
+ (list 'CHAR (the-coord (the-port)) "ù"))
+ ;; latex commands
+ ((: #\\ alpha (+ (or alpha digit)))
+ (let ((s (the-substring 1 (the-length))))
+ (cond
+ ((member s '("pi" "Pi" "lambda" "Lambda"))
+ (list 'IDENT (the-coord (the-port)) s))
+ (else
+ (ignore)))))
+ ;; strings
+ ((: "\"" (* (or (out #a000 #\\ #\") (: #\\ all))) "\"")
+ (list 'STRING
+ (the-coord (the-port))
+ (the-substring 1 (-fx (the-length) 1))))
+ ;; commands
+ ((: "@" (+ alpha))
+ (let* ((str (string-upcase (the-substring 1 (the-length))))
+ (sym (string->symbol str)))
+ (case sym
+ ((STRING)
+ (list 'BIBSTRING (the-coord (the-port))))
+ (else
+ (list 'BIBITEM (the-coord (the-port)) sym)))))
+ ;; digit
+ ((+ digit)
+ (list 'NUMBER (the-coord (the-port)) (the-string)))
+ ;; ident
+ ((+ (or alpha digit (in ".:-&/?+*")))
+ (list 'IDENT (the-coord (the-port)) (the-string)))
+ ;; default
+ (else
+ (let ((c (the-failure)))
+ (if (eof-object? c)
+ c
+ (list 'CHAR (the-coord (the-port)) c))))))
+
+;*---------------------------------------------------------------------*/
+;* bibtex-parser ... */
+;*---------------------------------------------------------------------*/
+(define bibtex-parser
+ (lalr-grammar
+ ;; tokens
+ (CHAR IDENT STRING COMMA BRA-OPEN BRA-CLO SHARP BLANK NUMBER EGAL
+ BIBSTRING BIBITEM)
+
+ ;; bibtex
+ (bibtex
+ (()
+ '())
+ ((bibtex string-def)
+ bibtex)
+ ((bibtex bibtex-entry)
+ (cons bibtex-entry bibtex))
+ ((bibtex BLANK)
+ bibtex))
+
+ ;; blank*
+ (blank*
+ (() '())
+ ((blank* BLANK) '()))
+
+ ;; string-def
+ (string-def
+ ((BIBSTRING BRA-OPEN blank* IDENT blank* EGAL blank* bibtex-entry-value BRA-CLO)
+ (bibtex-string-def! (cadr IDENT) bibtex-entry-value)))
+
+ ;; bibtex-entry
+ (bibtex-entry
+ ((BIBITEM blank* BRA-OPEN blank* IDENT blank* COMMA
+ bibtex-entry-item* BRA-CLO)
+ (make-bibtex-entry (cadr BIBITEM)
+ (cadr IDENT)
+ bibtex-entry-item*)))
+
+ ;; bibtex-entry-item*
+ (bibtex-entry-item*
+ ((blank*)
+ '())
+ ((bibtex-entry-item)
+ (list bibtex-entry-item))
+ ((bibtex-entry-item COMMA bibtex-entry-item*)
+ (cons bibtex-entry-item bibtex-entry-item*)))
+
+ ;; bibtex-entry-item
+ (bibtex-entry-item
+ ((blank* IDENT blank* EGAL blank* bibtex-entry-value blank*)
+ (cons (cadr IDENT) bibtex-entry-value)))
+
+ ;; bibtex-entry-value
+ (bibtex-entry-value
+ ((NUMBER)
+ (list (cadr NUMBER)))
+ ((bibtex-entry-value-string)
+ bibtex-entry-value-string)
+ ((BRA-OPEN bibtex-entry-value-block* BRA-CLO)
+ bibtex-entry-value-block*))
+
+ ;; bibtex-entry-value-string
+ (bibtex-entry-value-string
+ ((bibtex-entry-value-string-simple)
+ (list bibtex-entry-value-string-simple))
+ ((bibtex-entry-value-string SHARP bibtex-entry-value-string-simple)
+ `(,@bibtex-entry-value-string ,bibtex-entry-value-string-simple)))
+
+ ;; bibtex-entry-value-string-simple
+ (bibtex-entry-value-string-simple
+ ((STRING)
+ (cadr STRING))
+ ((IDENT)
+ `(ref ,(cadr IDENT))))
+
+ ;; bibtex-entry-value-block*
+ (bibtex-entry-value-block*
+ (()
+ '())
+ ((bibtex-entry-value-block* bibtex-entry-value-block)
+ (append bibtex-entry-value-block* bibtex-entry-value-block)))
+
+ ;; bibtex-entry-value-block
+ (bibtex-entry-value-block
+ ((BRA-OPEN bibtex-entry-value-block* BRA-CLO)
+ bibtex-entry-value-block*)
+ ((COMMA)
+ (list ","))
+ ((IDENT)
+ (list (cadr IDENT)))
+ ((BLANK)
+ (list " "))
+ ((EGAL)
+ (list "="))
+ ((CHAR)
+ (list (cadr CHAR)))
+ ((NUMBER)
+ (list (cadr NUMBER)))
+ ((STRING)
+ (list (string-append "\"" (cadr STRING) "\""))))))
+
+;*---------------------------------------------------------------------*/
+;* bibtex-string-def! ... */
+;*---------------------------------------------------------------------*/
+(define (bibtex-string-def! ident value)
+ (define (->string value)
+ (if (string? value)
+ value
+ (match-case value
+ (((and ?s (? string?)))
+ s)
+ (((and ?n (? number?)))
+ (number->string n))
+ (else
+ (apply string-append (map ->string value))))))
+ (hashtable-put! *bibtex-string-table* ident (->string value)))
+
+;*---------------------------------------------------------------------*/
+;* make-bibtex-entry ... */
+;*---------------------------------------------------------------------*/
+(define (make-bibtex-entry kind ident value)
+ (define (parse-entry-value line)
+ (let ((name (car line))
+ (val (cdr line)))
+ (let loop ((val (reverse val))
+ (res ""))
+ (cond
+ ((null? val)
+ (cons name (untexify res)))
+ ((char? (car val))
+ (loop (cdr val) (string-append (string (car val)) res)))
+ ((string? (car val))
+ (loop (cdr val) (string-append (car val) res)))
+ (else
+ (match-case (car val)
+ ((ref ?ref)
+ (let ((h (hashtable-get *bibtex-string-table* ref)))
+ (loop (cdr val)
+ (if (string? h)
+ (string-append h res)
+ res))))
+ (else
+ (loop (cdr val) res))))))))
+ (let ((fields (map parse-entry-value value)))
+ `(,kind ,ident ,@fields)))
+
+;*---------------------------------------------------------------------*/
+;* untexify ... */
+;*---------------------------------------------------------------------*/
+(define (untexify val)
+ (define (untexify-math-string str)
+ (string-case str
+ ((+ (out #\_ #\^ #\space #\Newline #\tab))
+ (let ((s (the-string)))
+ (string-append s (ignore))))
+ ((+ (in "^_"))
+ (ignore))
+ ((+ (in " \n\t"))
+ (string-append " " (ignore)))
+ (else
+ "")))
+ (define (untexify-string str)
+ (let ((s (pregexp-replace* "C[$]\\^[$]_[+][+][$][$]" str "C++")))
+ (string-case (pregexp-replace* "[{}]" s "")
+ ((+ (out #\\ #\$ #\space #\Newline #\tab #\~))
+ (let ((s (the-string)))
+ (string-append s (ignore))))
+ ((: #\\ (+ (or (: "c" (out #\h))
+ (: "ch" (out #\a))
+ (: "cha" (out #\r))
+ (: "char" (out digit))
+ (out #\\ #\space #\c))))
+ (ignore))
+ ((: #\\ "char" (+ digit))
+ (string-append
+ (string
+ (integer->char
+ (string->integer
+ (the-substring 5 (the-length)))))
+ (ignore)))
+ ((: #\$ (* (out #\$)) #\$)
+ (let ((s (the-substring 1 (-fx (the-length) 1))))
+ (string-append (untexify-math-string s) (ignore))))
+ ((+ (in " \n\t~"))
+ (string-append " " (ignore)))
+ (else
+ ""))))
+ (if (string? val)
+ (untexify-string val)
+ (map untexify val)))