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-rw-r--r--src/guile/skribilo/package/eq.scm170
-rw-r--r--src/guile/skribilo/package/slide.scm11
-rw-r--r--src/guile/skribilo/package/slide/html.scm9
-rw-r--r--src/guile/skribilo/package/slide/latex.scm9
-rw-r--r--src/guile/skribilo/package/slide/lout.scm176
5 files changed, 264 insertions, 111 deletions
diff --git a/src/guile/skribilo/package/eq.scm b/src/guile/skribilo/package/eq.scm
index 687a3f5..45a863f 100644
--- a/src/guile/skribilo/package/eq.scm
+++ b/src/guile/skribilo/package/eq.scm
@@ -27,6 +27,8 @@
:use-module (skribilo utils syntax)
:use-module (skribilo module)
:use-module (skribilo skribe utils) ;; `the-options', etc.
+ :autoload (skribilo skribe api) (it symbol sub sup)
+ :autoload (skribilo engine lout) (lout-illustration)
:use-module (ice-9 optargs))
;;; Author: Ludovic Courtès
@@ -125,7 +127,7 @@
;;; Markup.
;;;
-(define-markup (eq :rest opts :key (ident #f) (class "eq"))
+(define-markup (eq :rest opts :key (ident #f) (renderer #f) (class "eq"))
(new markup
(markup 'eq)
(ident (or ident (symbol->string (gensym "eq"))))
@@ -208,25 +210,163 @@
;;;
-;;; Text-only implementation.
+;;; Base and text-only implementation.
;;;
+
+
(markup-writer 'eq (find-engine 'base)
:action (lambda (node engine)
- (output (apply it (markup-body node)) engine)))
-
-(markup-writer 'eq:/ (find-engine 'base)
+ ;; The `:renderer' option should be a symbol (naming an engine
+ ;; class) or an engine or engine class. This allows the use of
+ ;; another engine to render equations. For instance, equations
+ ;; may be rendered using the Lout engine within an HTML
+ ;; document.
+ (let ((renderer (markup-option node :renderer)))
+ (cond ((not renderer) ;; default: use the current engine
+ (output (it (markup-body node)) engine))
+ ((symbol? renderer)
+ (case renderer
+ ;; FIXME: We should have an `embed' slot for each
+ ;; engine class similar to `lout-illustration'.
+ ((lout)
+ (let ((lout-code
+ (with-output-to-string
+ (lambda ()
+ (output node (find-engine 'lout))))))
+ (output (lout-illustration
+ :ident (markup-ident node)
+ lout-code)
+ engine)))
+ (else
+ (skribe-error 'eq "invalid renderer" renderer))))
+ ;; FIXME: `engine?' and `engine-class?'
+ (else
+ (skribe-error 'eq "`:renderer' -- wrong argument type"
+ renderer))))))
+
+(define-macro (simple-markup-writer op . obj)
+ `(markup-writer ',(symbol-append 'eq: op) (find-engine 'base)
+ :action (lambda (node engine)
+ (let loop ((operands (markup-body node)))
+ (if (null? operands)
+ #t
+ (let ((o (car operands)))
+ (display (if (equation-markup? o) "(" ""))
+ (output o engine)
+ (display (if (equation-markup? o) ")" ""))
+ (if (pair? (cdr operands))
+ (begin
+ (display " ")
+ (output ,(if (null? obj)
+ (symbol->string op)
+ (car obj))
+ engine)
+ (display " ")))
+ (loop (cdr operands))))))))
+
+(simple-markup-writer +)
+(simple-markup-writer -)
+(simple-markup-writer /)
+(simple-markup-writer * (symbol "times"))
+
+(simple-markup-writer =)
+(simple-markup-writer != (symbol "neq"))
+(simple-markup-writer ~= (symbol "approx"))
+(simple-markup-writer <)
+(simple-markup-writer >)
+(simple-markup-writer >= (symbol "ge"))
+(simple-markup-writer <= (symbol "le"))
+
+(markup-writer 'eq:sqrt (find-engine 'base)
+ :action (lambda (node engine)
+ (display "sqrt(")
+ (output (markup-body node) engine)
+ (display ")")))
+
+(define-macro (simple-binary-markup-writer op obj)
+ `(markup-writer ',(symbol-append 'eq: op) (find-engine 'base)
+ :action (lambda (node engine)
+ (let ((body (markup-body node)))
+ (if (= (length body) 2)
+ (let ((first (car body))
+ (second (cadr body)))
+ (display (if (equation-markup? first) "(" " "))
+ (output first engine)
+ (display (if (equation-markup? first) ")" " "))
+ (output ,obj engine)
+ (display (if (equation-markup? second) "(" ""))
+ (output second engine)
+ (display (if (equation-markup? second) ")" "")))
+ (skribe-error ',(symbol-append 'eq: op)
+ "wrong argument type"
+ body))))))
+
+(markup-writer 'eq:expt (find-engine 'base)
+ :action (lambda (node engine)
+ (let ((body (markup-body node)))
+ (if (= (length body) 2)
+ (let ((first (car body))
+ (second (cadr body)))
+ (display (if (equation-markup? first) "(" ""))
+ (output first engine)
+ (display (if (equation-markup? first) ")" ""))
+ (output (sup second) engine))))))
+
+(simple-binary-markup-writer in (symbol "in"))
+(simple-binary-markup-writer notin (symbol "notin"))
+
+(markup-writer 'eq:apply (find-engine 'base)
:action (lambda (node engine)
- (let loop ((operands (markup-body node)))
- (if (null? operands)
- #t
- (begin
- (display " ")
- (output (car operands) engine)
- (display " ")
- (if (pair? (cdr operands))
- (display " / "))
- (loop (cdr operands)))))))
+ (let ((func (car (markup-body node))))
+ (output func engine)
+ (display "(")
+ (let loop ((operands (cdr (markup-body node))))
+ (if (null? operands)
+ #t
+ (begin
+ (output (car operands) engine)
+ (if (not (null? (cdr operands)))
+ (display ", "))
+ (loop (cdr operands)))))
+ (display ")"))))
+
+(markup-writer 'eq:sum (find-engine 'base)
+ :action (lambda (node engine)
+ (let ((from (markup-option node :from))
+ (to (markup-option node :to)))
+ (output (symbol "Sigma") engine)
+ (display "(")
+ (output from engine)
+ (display ", ")
+ (output to engine)
+ (display ", ")
+ (output (markup-body node) engine)
+ (display ")"))))
+
+(markup-writer 'eq:prod (find-engine 'base)
+ :action (lambda (node engine)
+ (let ((from (markup-option node :from))
+ (to (markup-option node :to)))
+ (output (symbol "Pi") engine)
+ (display "(")
+ (output from engine)
+ (display ", ")
+ (output to engine)
+ (display ", ")
+ (output (markup-body node) engine)
+ (display ")"))))
+
+(markup-writer 'eq:script (find-engine 'base)
+ :action (lambda (node engine)
+ (let ((body (markup-body node))
+ (sup* (markup-option node :sup))
+ (sub* (markup-option node :sub)))
+ (output body engine)
+ (output (sup sup*) engine)
+ (output (sub sub*) engine))))
+
+
;;;
diff --git a/src/guile/skribilo/package/slide.scm b/src/guile/skribilo/package/slide.scm
index 8968d00..629abdf 100644
--- a/src/guile/skribilo/package/slide.scm
+++ b/src/guile/skribilo/package/slide.scm
@@ -21,10 +21,7 @@
(define-skribe-module (skribilo package slide)
- :autoload (skribilo engine html) (html-width html-title-authors)
- :autoload (skribilo package slide html) (%slide-html-initialize!)
- :autoload (skribilo package slide lout) (%slide-lout-initialize!)
- :autoload (skribilo package slide latex) (%slide-latex-initialize!))
+ :autoload (skribilo engine html) (html-width html-title-authors))
;*---------------------------------------------------------------------*/
@@ -47,13 +44,13 @@
;; Register specific implementations for lazy loading.
(when-engine-is-loaded 'latex
(lambda ()
- (%slide-latex-initialize!)))
+ (resolve-module '(skribilo package slide latex))))
(when-engine-is-loaded 'html
(lambda ()
- (%slide-html-initialize!)))
+ (resolve-module '(skribilo package slide html))))
(when-engine-is-loaded 'lout
(lambda ()
- (%slide-lout-initialize!)))
+ (resolve-module '(skribilo package slide lout))))
;*---------------------------------------------------------------------*/
diff --git a/src/guile/skribilo/package/slide/html.scm b/src/guile/skribilo/package/slide/html.scm
index 5398fbf..128b7e3 100644
--- a/src/guile/skribilo/package/slide/html.scm
+++ b/src/guile/skribilo/package/slide/html.scm
@@ -59,6 +59,7 @@
(markup-writer 'slide-vspace he
:action (lambda (n e) (display "<br>")))))
+
;*---------------------------------------------------------------------*/
;* slide-body-width ... */
;*---------------------------------------------------------------------*/
@@ -103,4 +104,12 @@
(display "</td></tr></tbody></table></center>\n")))
+
+;;;
+;;; Initialization.
+;;;
+
+(%slide-html-initialize!)
+
+
;;; arch-tag: 8be0cdf2-b755-4baa-baf6-739cdd00e193
diff --git a/src/guile/skribilo/package/slide/latex.scm b/src/guile/skribilo/package/slide/latex.scm
index 15f4535..4105e74 100644
--- a/src/guile/skribilo/package/slide/latex.scm
+++ b/src/guile/skribilo/package/slide/latex.scm
@@ -25,6 +25,7 @@
(define-public %slide-latex-mode 'seminar)
(define-public (%slide-latex-initialize!)
+ (skribe-message "LaTeX slides setup...\n")
(case %slide-latex-mode
((seminar)
(%slide-seminar-setup!))
@@ -35,6 +36,7 @@
(else
(skribe-error 'slide "Illegal latex mode" %slide-latex-mode))))
+
;*---------------------------------------------------------------------*/
;* &slide-seminar-predocument ... */
;*---------------------------------------------------------------------*/
@@ -382,4 +384,11 @@
(set! %slide-latex-mode 'advi)))))
+
+;;;
+;;; Initialization.
+;;;
+
+(%slide-latex-initialize!)
+
;;; arch-tag: b99e2c65-55f7-462c-8482-f47c7e223538
diff --git a/src/guile/skribilo/package/slide/lout.scm b/src/guile/skribilo/package/slide/lout.scm
index f816469..39e0175 100644
--- a/src/guile/skribilo/package/slide/lout.scm
+++ b/src/guile/skribilo/package/slide/lout.scm
@@ -34,98 +34,96 @@
;;;
;;; Make some more PS/PDF trickery.
-(format (current-error-port) "slide/lout.scm~%")
-
-(define-public (%slide-lout-initialize!)
- (format (current-error-port) "Lout slides initializing...~%")
-
- (let ((le (find-engine 'lout)))
-
- ;; Automatically switch to the `slides' document type.
- (engine-custom-set! le 'document-type 'slides)
-
- (markup-writer 'slide le
- :options '(:title :number :toc :ident) ;; '(:bg :vspace :image)
-
- :validate (lambda (n e)
- (eq? (engine-custom e 'document-type) 'slides))
-
- :before (lambda (n e)
- (display "\n@Overhead\n")
- (display " @Title { ")
- (output (markup-option n :title) e)
- (display " }\n")
- (if (markup-ident n)
- (begin
- (display " @Tag { ")
- (display (lout-tagify (markup-ident n)))
- (display " }\n")))
- (if (markup-option n :number)
- (begin
- (display " @BypassNumber { ")
- (output (markup-option n :number) e)
- (display " }\n")))
- (display "@Begin\n")
-
- ;; `doc' documents produce their PDF outline right after
- ;; `@Text @Begin'; other types of documents must produce it
- ;; as part of their first chapter.
- (lout-output-pdf-meta-info (ast-document n) e))
-
- :after "@End @Overhead\n")
-
- (markup-writer 'slide-vspace le
- :options '(:unit)
- :validate (lambda (n e)
- (and (pair? (markup-body n))
- (number? (car (markup-body n)))))
- :action (lambda (n e)
- (printf "\n//~a~a # slide-vspace\n"
- (car (markup-body n))
- (case (markup-option n :unit)
- ((cm) "c")
- ((point points pt) "p")
- ((inch inches) "i")
- (else
- (skribe-error 'lout
- "Unknown vspace unit"
- (markup-option n :unit)))))))
-
- (markup-writer 'slide-pause le
- ;; FIXME: Use a `pdfmark' custom action and a PDF transition action.
- ;; << /Type /Action
- ;; << /S /Trans
- ;; entry in the trans dict
- ;; << /Type /Trans /S /Dissolve >>
- :action (lambda (n e)
- (let ((filter (make-string-replace lout-verbatim-encoding))
- (pdfmark "
+(format (current-error-port) "Lout slides setup...~%")
+
+(let ((le (find-engine 'lout)))
+
+ ;; Automatically switch to the `slides' document type.
+ (engine-custom-set! le 'document-type 'slides)
+
+ (markup-writer 'slide le
+ :options '(:title :number :toc :ident) ;; '(:bg :vspace :image)
+
+ :validate (lambda (n e)
+ (eq? (engine-custom e 'document-type) 'slides))
+
+ :before (lambda (n e)
+ (display "\n@Overhead\n")
+ (display " @Title { ")
+ (output (markup-option n :title) e)
+ (display " }\n")
+ (if (markup-ident n)
+ (begin
+ (display " @Tag { ")
+ (display (lout-tagify (markup-ident n)))
+ (display " }\n")))
+ (if (markup-option n :number)
+ (begin
+ (display " @BypassNumber { ")
+ (output (markup-option n :number) e)
+ (display " }\n")))
+ (display "@Begin\n")
+
+ ;; `doc' documents produce their PDF outline right after
+ ;; `@Text @Begin'; other types of documents must produce it
+ ;; as part of their first chapter.
+ (lout-output-pdf-meta-info (ast-document n) e))
+
+ :after "@End @Overhead\n")
+
+ (markup-writer 'slide-vspace le
+ :options '(:unit)
+ :validate (lambda (n e)
+ (and (pair? (markup-body n))
+ (number? (car (markup-body n)))))
+ :action (lambda (n e)
+ (printf "\n//~a~a # slide-vspace\n"
+ (car (markup-body n))
+ (case (markup-option n :unit)
+ ((cm) "c")
+ ((point points pt) "p")
+ ((inch inches) "i")
+ (else
+ (skribe-error 'lout
+ "Unknown vspace unit"
+ (markup-option n :unit)))))))
+
+ (markup-writer 'slide-pause le
+ ;; FIXME: Use a `pdfmark' custom action and a PDF transition action.
+ ;; << /Type /Action
+ ;; << /S /Trans
+ ;; entry in the trans dict
+ ;; << /Type /Trans /S /Dissolve >>
+ :action (lambda (n e)
+ (let ((filter (make-string-replace lout-verbatim-encoding))
+ (pdfmark "
[ {ThisPage} << /Trans << /S /Wipe /Dm /V /D 3 /M /O >> >> /PUT pdfmark"))
- (display (lout-embedded-postscript-code
- (filter pdfmark))))))
-
- ;; For movies, see
- ;; http://www.tug.org/tex-archive/macros/latex/contrib/movie15/movie15.sty .
- (markup-writer 'slide-embed le
- :options '(:alt :geometry :rgeometry :geometry-opt :command)
- ;; FIXME: `pdfmark'.
- ;; << /Type /Action /S /Launch
- :action (lambda (n e)
- (let ((command (markup-option n :command))
- (filter (make-string-replace lout-verbatim-encoding))
- (pdfmark "[ /Rect [ 0 ysize xsize 0 ]
- /Name /Comment
- /Contents (This is an embedded application)
- /ANN pdfmark
+ (display (lout-embedded-postscript-code
+ (filter pdfmark))))))
+
+ ;; For movies, see
+ ;; http://www.tug.org/tex-archive/macros/latex/contrib/movie15/movie15.sty .
+ (markup-writer 'slide-embed le
+ :options '(:alt :geometry :rgeometry :geometry-opt :command)
+ ;; FIXME: `pdfmark'.
+ ;; << /Type /Action /S /Launch
+ :action (lambda (n e)
+ (let ((command (markup-option n :command))
+ (filter (make-string-replace lout-verbatim-encoding))
+ (pdfmark "[ /Rect [ 0 ysize xsize 0 ]
+/Name /Comment
+/Contents (This is an embedded application)
+/ANN pdfmark
[ /Type /Action
- /S /Launch
- /F (~a)
- /OBJ pdfmark"))
- (display (string-append
- "4c @Wide 3c @High "
- (lout-embedded-postscript-code
- (filter (format #f pdfmark command))))))))))
+/S /Launch
+/F (~a)
+/OBJ pdfmark"))
+ (display (string-append
+ "4c @Wide 3c @High "
+ (lout-embedded-postscript-code
+ (filter (format #f pdfmark command)))))))))
+
;;; arch-tag: 0c717553-5cbb-46ed-937a-f844b6aeb145
generated by cgit v1.2.3 (git 2.45.2) at 2024-11-18 05:03:39 +0000