-(define (symbol->tex-key sym)
- (regexp-substitute/global
- #f "_" (output-tex-string (symbol->string sym)) 'pre "X" 'post) )
-
-(define (string->param string)
- (string-append "{" string "}"))
-
-(define (number->param number)
- (string->param (ly:number->string number)))
-
-(define (number-pair->param o)
- (string-append (number->param (car o)) (number->param (cdr o))))
-
-(define (tex-string-def prefix key str)
- (if (equal? "" (sans-surrounding-whitespace (output-tex-string str)))
- (string-append "\\let\\" prefix (symbol->tex-key key) "\\undefined%\n")
- (string-append "\\def\\" prefix (symbol->tex-key key)
- "{" (output-tex-string str) "}%\n")))
-
-(define (tex-number-def prefix key number)
- (string-append
- "\\def\\" prefix (symbol->tex-key key) (string->param number) "%\n"))
-
-(define (output-paper-def paper)
- (apply
- string-append
- (module-map
- (lambda (sym var)
- (let ((val (variable-ref var))
- (key (symbol->tex-key sym)))
-
- (cond
- ((string? val)
- (tex-string-def "lilypondpaper" sym val))
- ((number? val)
- (tex-number-def "lilypondpaper" sym
- (if (integer? val)
- (number->string val)
- (number->string (exact->inexact val)))))
- (else ""))))
-
- (ly:output-def-scope pd))))
-
-(define (output-scopes paper scopes fields basename)
- (define (output-scope scope)
- (apply
- string-append
- (module-map
- (lambda (sym var)
- (let (;;(val (variable-ref var))
- (val (if (variable-bound? var) (variable-ref var) '""))
- (tex-key (symbol->string sym)))
-
- (if (and (memq sym fields) (string? val))
- (header-to-file basename sym val))
-
- (cond
- ((string? val)
- (tex-string-def "lilypond" sym val))
- ((number? val)
- (tex-number-def "lilypond" sym
- (if (integer? val)
- (number->string val)
- (number->string (exact->inexact val)))))
- (else ""))))
- scope)))
-
- (apply string-append
- (map output-scope scopes)))