diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/guile/skribilo/package/base.scm | 3 | ||||
| -rw-r--r-- | src/guile/skribilo/package/eq.scm | 34 | ||||
| -rw-r--r-- | src/guile/skribilo/package/eq/lout.scm | 27 |
3 files changed, 49 insertions, 15 deletions
diff --git a/src/guile/skribilo/package/base.scm b/src/guile/skribilo/package/base.scm index 29eb2df..28cd0fb 100644 --- a/src/guile/skribilo/package/base.scm +++ b/src/guile/skribilo/package/base.scm @@ -203,7 +203,8 @@ ,@(the-options opts :ident :class))) (body (the-body opts)) (env (list (list 'section-counter 0) (list 'section-env '()) - (list 'footnote-counter 0) (list 'footnote-env '()))))) + (list 'footnote-counter 0) (list 'footnote-env '()) + (list 'equation-counter 0) (list 'equation-env '()))))) ;*---------------------------------------------------------------------*/ ;* section-number ... */ diff --git a/src/guile/skribilo/package/eq.scm b/src/guile/skribilo/package/eq.scm index 9b03aef..31b297d 100644 --- a/src/guile/skribilo/package/eq.scm +++ b/src/guile/skribilo/package/eq.scm @@ -27,7 +27,8 @@ :use-module (skribilo utils syntax) :use-module (skribilo utils keywords) ;; `the-options', etc. :autoload (skribilo package base) (it symbol sub sup) - :autoload (skribilo engine lout) (lout-illustration) + :autoload (skribilo engine lout) (lout-illustration) + :autoload (skribilo resolve) (resolve-counter) :use-module (srfi srfi-1) :use-module (srfi srfi-39) @@ -207,6 +208,18 @@ a symbol representing the mathematical operator denoted by @var{m} (e.g., (current-module))) +(define-public (equation-number-string equation) + "Return an appropriate document-wide number for @var{equation}." + (and (is-markup? equation 'eq) + (not (inline-equation? equation)) + (let ((num (markup-option equation :number))) + (and (number? num) + (let ((chapter (ast-chapter equation))) + (and (markup? chapter) + (string-append + (number->string (markup-option chapter :number)) "." + (number->string num)))))))) + ;;; ;;; Markup. @@ -224,7 +237,8 @@ a symbol representing the mathematical operator denoted by @var{m} (e.g., (define-markup (eq :rest opts :key (ident #f) (class "eq") (inline? 'auto) (align-with #f) (renderer #f) (div-style 'over) - (mul-style 'space)) + (mul-style 'space) + (number #t)) (new container (markup 'eq) (ident (or ident (symbol->string (gensym "eq")))) @@ -232,9 +246,23 @@ a symbol representing the mathematical operator denoted by @var{m} (e.g., (loc &invocation-location) (options `((:div-style ,div-style) (:align-with ,align-with) (:mul-style ,mul-style) (:inline? ,inline?) + (:number ,(cond ((not number) #f) + ((string? number) number) + (else + (new unresolved + (proc (lambda (n e env) + (let* ((p? (assq 'parent env)) + (p (and (pair? p?) + (cadr p?)))) + (and (is-markup? p 'eq) + (not (inline-equation? p)) + (resolve-counter n env + 'equation + number))))))))) ,@(the-options opts :ident :class :inline? - :div-style :mul-style :align-with))) + :div-style :mul-style :align-with + :number))) (body (let loop ((body (the-body opts)) (result '())) (if (null? body) diff --git a/src/guile/skribilo/package/eq/lout.scm b/src/guile/skribilo/package/eq/lout.scm index 9b27a7e..577f6da 100644 --- a/src/guile/skribilo/package/eq/lout.scm +++ b/src/guile/skribilo/package/eq/lout.scm @@ -57,20 +57,25 @@ :after "\n@EndAlignedDisplays\n") (markup-writer 'eq (find-engine 'lout) - :options '(:inline? :align-with :div-style :mul-style) + :options '(:inline? :align-with :div-style :mul-style :number) :before (lambda (node engine) (let* ((parent (ast-parent node)) - (displayed? (is-markup? parent 'eq-display))) - (format #t "~a{ " - (if (and displayed? (not (*embedded-renderer*))) - "\n@IAD " "")))) + (displayed? (is-markup? parent 'eq-display)) + (number (equation-number-string node))) + ;; Note: The `@BypassNumber' option appeared in Lout 3.36. + (if (and displayed? (not (*embedded-renderer*))) + (display (if (string? number) + (string-append "@CAND @BypassNumber { \"" + number "\" } ") + "@CAD "))) + (display "{ "))) :action (lambda (node engine) - (display (if (inline-equation? node) - "@OneRow @OneCol @E { " - "@Eq { ")) - (let ((eq (markup-body node))) - ;;(fprint (current-error-port) "eq=" eq) - (output eq engine))) + (display (if (inline-equation? node) + "@OneRow @OneCol @E { " + "@Eq { ")) + (let ((eq (markup-body node))) + ;;(fprint (current-error-port) "eq=" eq) + (output eq engine))) :after " } }") |