;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 2004 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; (c) 2004--2008 Jan Nieuwenhuizen <janneke@gnu.org>
-;; WIP
-;; encoding.ly:
-;; #(display (reencode-string "adobe" "latin1" "hellö fóebär"))
-;;
-(define-public (read-encoding-file filename)
- "Read .enc file, return (COMMAND-NAME . VECTOR-OF-SYMBOLS)."
- (let* ((raw (ly:kpathsea-gulp-file filename))
- (string (regexp-substitute/global #f "%[^\n]*" raw 'pre "" 'post))
- (command (match:substring
- (string-match "/([^ \t\n\r]*)[ \t\n\r]+[[]" string) 1))
- (encoding (match:substring (string-match "[[](.*)[]]" string) 1))
- (ps-lst (string-tokenize encoding))
- (lst (map (lambda (x) (string->symbol (substring x 1))) ps-lst))
- (vector (list->vector lst)))
- (cons command vector)))
+(define-public latin1-coding-vector #(.notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef space exclam quotedbl numbersign dollar percent ampersand quoteright parenleft parenright asterisk plus comma hyphen period slash zero one two three four five six seven eight nine colon semicolon less equal greater question at A B C D E F G H I J K L M N O P Q R S T U V W X Y Z bracketleft backslash bracketright asciicircum underscore quoteleft a b c d e f g h i j k l m n o p q r s t u v w x y z braceleft bar braceright asciitilde .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef .notdef dotlessi grave acute circumflex tilde macron breve dotaccent dieresis .notdef ring cedilla .notdef hungarumlaut ogonek caron space exclamdown cent sterling currency yen brokenbar section dieresis copyright ordfeminine guillemotleft logicalnot hyphen registered macron degree plusminus twosuperior threesuperior acute mu paragraph periodcentered cedilla onesuperior ordmasculine guillemotright onequarter onehalf threequarters questiondown Agrave Aacute Acircumflex Atilde Adieresis Aring AE Ccedilla Egrave Eacute Ecircumflex Edieresis Igrave Iacute Icircumflex Idieresis Eth Ntilde Ograve Oacute Ocircumflex Otilde Odieresis multiply Oslash Ugrave Uacute Ucircumflex Udieresis Yacute Thorn germandbls agrave aacute acircumflex atilde adieresis aring ae ccedilla egrave eacute ecircumflex edieresis igrave iacute icircumflex idieresis eth ntilde ograve oacute ocircumflex otilde odieresis divide oslash ugrave uacute ucircumflex udieresis yacute thorn ydieresis))
-(define (make-encoding-table encoding-vector)
- "Return a hash table mapping names to chars. ENCODING-VECTOR is a
-vector of symbols."
- (let* ((h (make-hash-table 256)))
-
- (for-each
- (lambda (i)
- (hash-set! h (vector-ref encoding-vector i)
- (integer->char i)))
- (iota 256))
+(define-public (decode-byte-string str)
+ "Return vector of glyphname symbols that correspond to string,
+assuming that STR is byte-coded using ENCODING-NAME."
- h))
+ (let* ((len (string-length str))
+ (output-vector (make-vector len '.notdef)))
-(define-public (reencode-string mapping str)
- "Apply MAPPING, a vector of [0..256) -> char, to STR"
- (string-map (lambda (chr)
- (vector-ref mapping (char->integer chr)))
- str))
-
-(define-public (make-encoding-mapping input-encoding output-encoding)
- "Contruct a mapping by applying output-encoding after input-encoding "
- (list->vector
- (map
- (lambda (byte)
- (let ((new-char (hash-ref
- output-encoding (vector-ref input-encoding byte) #f)))
- ;;input-encoding (vector-ref output-encoding byte) #f)))
-
- ;; substitute space for unknown characters.
- (if (char? new-char)
- new-char
- #\ )))
- (iota 256))))
-
-
-(define (get-coding-from-file filename)
- "Read FILENAME, return a list containing encoding vector and table"
- (let* ((coding (read-encoding-file filename))
- (com (car coding))
- (vec (cdr coding))
- (tab (make-encoding-table vec)))
- (list com vec tab)))
-
-;; coding-alist maps NAME -> (list FILENAME COMMAND VECTOR TAB)
-(define coding-alist
-
- (map (lambda (x)
- (cons (car x)
- (cons (cdr x) (delay (get-coding-from-file (cdr x))))))
-
- '(
- ;; teTeX
- ("TeX typewriter text" . "09fbbfac.enc") ;; cmtt10
- ("TeX math symbols" . "10037936.enc") ;; cmbsy
- ("ASCII caps and digits" . "1b6d048e.enc") ;; cminch
- ("TeX math italic" . "aae443f0.enc") ;; cmmi10
- ("TeX extended ASCII" . "d9b29452.enc")
- ("TeX text" . "f7b6d320.enc")
- ("TeX text without f-ligatures" . "0ef0afca.enc")
- ("Extended TeX Font Encoding - Latin" . "tex256.enc")
-
- ("T1" . "tex256.enc")
-
- ;; FIXME: find full Adobe; for testing -- almost Adobe:
- ("adobe" . "ad.enc")
-
- ("latin1" . "cork.enc")
-
- ;; LilyPond.
- ("fetaBraces" . "feta-braces-a.enc")
- ("fetaNumber" . "feta-nummer10.enc")
- ("fetaMusic" . "feta20.enc")
- ("parmesanMusic" . "parmesan20.enc"))
- ))
-
-(define (get-coding coding-name)
- (let ((entry (assoc-get coding-name coding-alist)))
- (cons (car entry) (force (cdr entry)))))
-
-(define-public (get-coding-filename coding-name)
- (car (get-coding coding-name)))
-
-(define-public (get-coding-command coding-name)
- (cadr (get-coding coding-name)))
-
-(define-public (get-coding-vector coding-name)
- (caddr (get-coding coding-name)))
-
-(define-public (get-coding-table coding-name)
- (cadddr (get-coding coding-name)))
+ (do
+ ((idx 0 (1+ idx)))
+ ((>= idx len) output-vector)
+ (vector-set! output-vector idx
+ (vector-ref latin1-coding-vector
+ (char->integer (string-ref str idx)))))))
projects / lilypond.git / blobdiff