-;;;; encoding.scm -- font encoding
+;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
-;;;; source file of the GNU LilyPond music typesetter
-;;;;
-;;;; (c) 2004 Jan Nieuwenhuizen <janneke@gnu.org>
-
-;; WIP
-;; cp /usr/share/texmf/dvips/base/*.enc mf/out
-;; cp /usr/share/texmf/dvips/tetex/*.enc mf/out
-;; encoding.ly:
-;; #(display (reencode-string "adobe" "latin1" "hellö fóebär"))
-;;
-
-(define coding-file-alist
- ;; teTeX
- '(("TeX typewriter text" . "09fbbfac.enc") ;; cmtt10
- ("TeX math symbols" . "10037936.enc") ;; cmbsy
- ("ASCII caps and digits" . "1b6d048e") ;; 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")
-
- ;; for testing -- almost adome
- ("adobe" . "ad.enc")
- ("latin1" . "cork.enc")
-
- ;; LilyPond.
- ("feta braces" . "feta-braces0.enc")
- ("feta number" . "feta-nummer10.enc")
- ("feta music" . "feta20.enc")
- ("parmesan music" . "parmesan20.enc")))
-
-(define encoding-alist '())
-
-(define (read-coding-file coding)
- (let* ((raw (ly:gulp-file (assoc-get coding coding-file-alist)))
- ;;(raw (ly:gulp-file "f7b6d320.enc"))
- (string (regexp-substitute/global #f "%[^\n]*" raw 'pre "" 'post))
- (start (string-index string #\[))
- (end (string-index string #\]))
- (ps-lst (string-tokenize (substring string (+ start 1) end)))
- (lst (map (lambda (x) (substring x 1)) ps-lst))
- (vector (list->vector lst))
- (table (make-hash-table 256)))
- (do ((i 0 (+ i 1)))
- ((>= i 256))
- (hash-create-handle! table (vector-ref vector i) i))
- (let ((entry (cons coding (cons vector table))))
- (set! encoding-alist (append (list entry) encoding-alist))
- (cdr entry))))
-
-(define (get-coding-table coding)
- (let ((entry (assoc-get coding encoding-alist #f)))
- (if entry (cdr entry)
- (cdr (read-coding-file coding)))))
+;;;; Copyright (C) 2004--2014 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;;
+;;;; LilyPond 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 3 of the License, or
+;;;; (at your option) any later version.
+;;;;
+;;;; LilyPond 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 LilyPond. If not, see <http://www.gnu.org/licenses/>.
-(define (get-coding-vector coding)
- (let ((entry (assoc-get coding encoding-alist #f)))
- (if entry (car entry)
- (car (read-coding-file coding)))))
+(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
+ %% 0x20
+ 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
+ %% 0x40
+ 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
+ %% 0x60
+ `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
+ %% 0x80
+ .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
+ %% 0xA0
+ 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
+ %% 0xC0
+ 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
+ %% 0xE0
+ 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-public (encoded-index font-coding input-coding code)
- (format (current-error-port) "CODE: ~S\n" code)
- (let* ((font (get-coding-table font-coding))
- (in (get-coding-vector input-coding))
- (char (vector-ref in code)))
- (format (current-error-port) "CHAR: ~S\n" char)
- (hash-ref font char)))
-(define-public (reencode-string font-coding input-coding s)
- ;; ughr?
- (list->string
- (map integer->char
- (map (lambda (x) (encoded-index font-coding input-coding x))
- ;;(map char->integer (string->list s))))))
- (map char->integer (plain-string->list s))))))
+(define-public (decode-byte-string str)
+ "Return vector of glyphname symbols that correspond to string,
+assuming that @var{str} is byte-coded using latin-1 encoding."
+ (let* ((len (string-length str))
+ (output-vector (make-vector len '.notdef)))
+ (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