diff options
Diffstat (limited to 'src/guile')
| -rw-r--r-- | src/guile/README | 13 | ||||
| -rw-r--r-- | src/guile/skribilo.scm | 10 | ||||
| -rw-r--r-- | src/guile/skribilo/engine/html.scm | 3 | ||||
| -rw-r--r-- | src/guile/skribilo/engine/lout.scm | 2 | ||||
| -rw-r--r-- | src/guile/skribilo/evaluator.scm | 7 | ||||
| -rw-r--r-- | src/guile/skribilo/reader.scm | 30 | ||||
| -rw-r--r-- | src/guile/skribilo/reader/Makefile.am | 2 | ||||
| -rw-r--r-- | src/guile/skribilo/reader/outline.scm | 322 |
8 files changed, 377 insertions, 12 deletions
diff --git a/src/guile/README b/src/guile/README index 8b1502c..6c5128f 100644 --- a/src/guile/README +++ b/src/guile/README @@ -13,6 +13,8 @@ Here are a few goals. ** Add useful markups +- `document': add `:keywords' and `:language', maybe `:date' + - numbered references - improved footnotes @@ -25,10 +27,16 @@ Here are a few goals. ** Skribe front-end (read Skribe syntax) +Done. + ** Texinfo front-end +Use guile-library's `stexi'. + ** Simple markup front-end (à la `txt2tags', Emacs' outline mode, or Wiki) +Almost done (Emacs `outline-mode'). + * Back-ends (engines) ** Easier to plug-in new back-ends (no need to modify the source) @@ -37,6 +45,8 @@ Here are a few goals. ** Lout back-end (including automatic `lout' invocation?) +Done, except automatic invocation. + ** Info back-end * Packages @@ -45,6 +55,9 @@ Here are a few goals. ** Equations +* Toys + +** Document browser with guile-gnome ;;; arch-tag: 2d0a6235-5c09-4930-998c-56a4de2c0aca diff --git a/src/guile/skribilo.scm b/src/guile/skribilo.scm index 43885ee..285a92d 100644 --- a/src/guile/skribilo.scm +++ b/src/guile/skribilo.scm @@ -38,6 +38,7 @@ exec ${GUILE-guile} --debug -l $0 -c "(apply $main (cdr (command-line)))" "$@" (define-module (skribilo) :autoload (skribilo module) (make-run-time-module) :autoload (skribilo engine) (*current-engine*) + :autoload (skribilo reader) (*document-reader*) :use-module (skribilo utils syntax)) (use-modules (skribilo evaluator) @@ -80,6 +81,8 @@ specifications." `(define ,binding (quote ,(raw-options->getopt-long options)))) (define-options skribilo-options + (("reader" :alternate "R" :arg reader + (nothing))) (("target" :alternate "t" :arg target :help "sets the output format to <target>") (set! engine (string->symbol target))) @@ -194,6 +197,8 @@ specifications." Processes a Skribilo/Skribe source file and produces its output. + --reader=READER Use READER to parse the input file (by default, + the `skribe' reader is used) --target=ENGINE Use ENGINE as the underlying engine --help Give this help list @@ -381,6 +386,8 @@ Processes a Skribilo/Skribe source file and produces its output. (define-public (skribilo . args) (let* ((options (getopt-long (cons "skribilo" args) skribilo-options)) + (reader-name (string->symbol + (option-ref options 'reader "skribe"))) (engine (string->symbol (option-ref options 'target "html"))) (output-file (option-ref options 'output #f)) @@ -412,7 +419,8 @@ Processes a Skribilo/Skribe source file and produces its output. (lambda (file) (format #t "~~ loading `~a'...~%" file)))) - (parameterize ((*current-engine* engine) + (parameterize ((*document-reader* (make-reader reader-name)) + (*current-engine* engine) (*document-path* (cons load-path (*document-path*))) (*bib-path* (cons bib-path (*bib-path*))) (*source-path* (cons source-path diff --git a/src/guile/skribilo/engine/html.scm b/src/guile/skribilo/engine/html.scm index 1f3466f..5165258 100644 --- a/src/guile/skribilo/engine/html.scm +++ b/src/guile/skribilo/engine/html.scm @@ -711,7 +711,8 @@ ((string? ic) ic) ((procedure? ic) - (ic d e))))) + (ic d e)) + (else #f)))) e) ;; style (output (new markup diff --git a/src/guile/skribilo/engine/lout.scm b/src/guile/skribilo/engine/lout.scm index 72a8338..d01b547 100644 --- a/src/guile/skribilo/engine/lout.scm +++ b/src/guile/skribilo/engine/lout.scm @@ -522,7 +522,7 @@ :filter (make-string-replace lout-encoding) :custom `(;; The underlying Lout document type, i.e. one ;; of `doc', `report', `book' or `slides'. - (document-type report) + (document-type doc) ;; Document style file include line (a string ;; such as `@Include { doc-style.lout }') or diff --git a/src/guile/skribilo/evaluator.scm b/src/guile/skribilo/evaluator.scm index 002ca54..df5e6a7 100644 --- a/src/guile/skribilo/evaluator.scm +++ b/src/guile/skribilo/evaluator.scm @@ -27,7 +27,7 @@ :autoload (skribilo location) (<location>) :autoload (skribilo ast) (ast? markup?) :autoload (skribilo engine) (engine? find-engine engine-ident) - :autoload (skribilo reader) (%default-reader) + :autoload (skribilo reader) (*document-reader*) :autoload (skribilo verify) (verify) :autoload (skribilo resolve) (resolve!)) @@ -91,7 +91,7 @@ ;;; (define* (evaluate-document-from-port port engine :key (env '()) - (reader %default-reader)) + (reader (*document-reader*))) (with-debug 2 'evaluate-document-from-port (debug-item "engine=" engine) (debug-item "reader=" reader) @@ -173,8 +173,7 @@ ;;; INCLUDE-DOCUMENT ;;; (define* (include-document file :key (path (*document-path*)) - (reader %default-reader)) - ;; FIXME: We should default to `*skribilo-current-reader*'. + (reader (*document-reader*))) (unless (every string? path) (raise (condition (&invalid-argument-error (proc-name 'include-document) (argument path))))) diff --git a/src/guile/skribilo/reader.scm b/src/guile/skribilo/reader.scm index 27c740b..95e545b 100644 --- a/src/guile/skribilo/reader.scm +++ b/src/guile/skribilo/reader.scm @@ -21,8 +21,15 @@ (define-module (skribilo reader) :use-module (srfi srfi-9) ;; records :use-module (srfi srfi-17) ;; generalized `set!' + :use-module (srfi srfi-39) ;; parameter objects + :use-module (skribilo condition) + :autoload (srfi srfi-34) (raise) + :use-module (srfi srfi-35) :export (%make-reader lookup-reader make-reader - %default-reader) + %default-reader *document-reader* + + &reader-search-error reader-search-error? + reader-search-error:reader) :export-syntax (define-reader define-public-reader)) ;;; Author: Ludovic Courtès @@ -60,6 +67,13 @@ (define-macro (define-public-reader name version make-proc) `(define-reader ,name ,version ,make-proc)) + +;;; Error condition. + +(define-condition-type &reader-search-error &skribilo-error + reader-search-error? + (reader reader-search-error:reader)) + ;;; The mechanism below is inspired by Guile-VM code written by K. Nishida. @@ -68,10 +82,12 @@ "Look for a reader named @var{name} (a symbol) in the @code{(skribilo reader)} module hierarchy. If no such reader was found, an error is raised." - (let ((m (resolve-module `(skribilo reader ,name)))) - (if (module-bound? m 'reader-specification) + (let ((m (false-if-exception + (resolve-module `(skribilo reader ,name))))) + (if (and (module? m) + (module-bound? m 'reader-specification)) (module-ref m 'reader-specification) - (error "no such reader" name)))) + (raise (condition (&reader-search-error (reader name))))))) (define (make-reader name) "Look for reader @var{name} and instantiate it." @@ -81,4 +97,10 @@ raised." (define %default-reader (make-reader 'skribe)) + +;;; Current document reader. + +(define *document-reader* (make-parameter %default-reader)) + + ;;; reader.scm ends here diff --git a/src/guile/skribilo/reader/Makefile.am b/src/guile/skribilo/reader/Makefile.am index a1c58fb..807e4a7 100644 --- a/src/guile/skribilo/reader/Makefile.am +++ b/src/guile/skribilo/reader/Makefile.am @@ -1,2 +1,2 @@ guilemoduledir = $(GUILE_SITE)/skribilo/reader -dist_guilemodule_DATA = skribe.scm +dist_guilemodule_DATA = skribe.scm outline.scm diff --git a/src/guile/skribilo/reader/outline.scm b/src/guile/skribilo/reader/outline.scm new file mode 100644 index 0000000..688fcdc --- /dev/null +++ b/src/guile/skribilo/reader/outline.scm @@ -0,0 +1,322 @@ +;;; outline.scm -- A reader for Emacs' outline syntax. +;;; +;;; Copyright 2006 Ludovic Courtès <ludovic.courtes@laas.fr> +;;; +;;; +;;; This program 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 2 of the License, or +;;; (at your option) any later version. +;;; +;;; This program 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 this program; if not, write to the Free Software +;;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, +;;; USA. + +(define-module (skribilo reader outline) + :use-module (skribilo utils syntax) + :use-module (skribilo reader) + :use-module (ice-9 optargs) + :use-module (srfi srfi-11) + + :autoload (ice-9 rdelim) (read-line) + :autoload (ice-9 regex) (make-regexp) + + :export (reader-specification + make-outline-reader)) + +(fluid-set! current-reader %skribilo-module-reader) + +;;; Author: Ludovic Courtès +;;; +;;; Commentary: +;;; +;;; A reader for Emacs' outline-mode syntax. +;;; +;;; Code: + +;;; TODO: +;;; +;;; - add source position information; +;;; - handle `itemize' and/or `enumerate'; +;;; - handle inline Skribe code: `\n{skribe\n(table (tr ... ))\n}\n' + + + + +;;; +;;; Tools. +;;; + +(define (apply-any procs args) + "Apply the procedure listed in @var{procs} to @var{args} until one of these +procedure returns true." + (let loop ((procs procs)) + (if (null? procs) + #f + (let ((result (apply (car procs) args))) + (if result result (loop (cdr procs))))))) + + +(define (append-trees . trees) + "Append markup trees @var{trees}. Trees whose car is a symbol (e.g., +@code{(bold \"paf\")} will be considered as sub-trees of the resulting tree." + (let loop ((trees trees) + (result '())) + (if (null? trees) + result + (let ((tree (car trees))) + (loop (cdr trees) + (append result + (if (list? tree) + (cond ((null? tree) '()) + ((symbol? (car tree)) (list tree)) + (else tree)) + (list tree)))))))) + +(define (null-string? s) + (and (string? s) (string=? s ""))) + + +(define empty-line-rx (make-regexp "^([[:space:]]*|;.*)$")) +(define (empty-line? s) + "Return true if string @var{s} denotes an ``empty'' line, i.e., a blank +line or a line comment." + (regexp-exec empty-line-rx s)) + + + +;;; +;;; In-line markup, i.e., markup that doesn't span over multiple lines. +;;; + +(define %inline-markup + ;; Note: the order matters because, for instance, URLs must be searched for + ;; _before_ italics (`/italic/'). + `(("_([^_]+)_" . + ,(lambda (m) + (values (match:prefix m) ;; before + (match:substring m 1) ;; body + (match:suffix m) ;; after + (lambda (body) `(emph ,body))))) ;; process-body + ("(f|ht)tp://[a-zA-Z0-9\\._~%/-]+" . + ,(lambda (m) + (values (match:prefix m) + (match:substring m) + (match:suffix m) + (lambda (url) `(ref :url ,url))))) + ("\\/([^\\/]+)\\/" . + ,(lambda (m) + (values (match:prefix m) + (match:substring m 1) + (match:suffix m) + (lambda (body) `(it ,body))))) + ("\\*([^\\*]+)\\*" . + ,(lambda (m) + (values (match:prefix m) + (match:substring m 1) + (match:suffix m) + (lambda (body) `(bold ,body))))) + ("``(([^`]|[^'])+)''" . + ,(lambda (m) + (values (match:prefix m) + (match:substring m 1) + (match:suffix m) + (lambda (body) `(q ,body))))) + ("`(([^`]|[^'])+)'" . + ,(lambda (m) + (values (match:prefix m) + (match:substring m 1) + (match:suffix m) + (lambda (body) `(tt ,body))))))) + +(define (make-markup-processor rx proc) + (lambda (line) + (let ((match (regexp-exec rx line))) + (if match + (proc match) + #f)))) + +(define (make-line-processor markup-alist) + "Returns a @dfn{line processor}. A line processor is a procedure that +takes a string and returns a list." + (let* ((markups (map (lambda (rx+proc) + (cons (make-regexp (car rx+proc) regexp/extended) + (cdr rx+proc))) + markup-alist)) + (procs (map (lambda (rx+proc) + (make-markup-processor (car rx+proc) (cdr rx+proc))) + markups))) + (lambda (line) + (let self ((line line)) + ;;(format #t "self: ~a~%" line) + (cond ((string? line) + (let ((result (apply-any procs (list line)))) + (if result + (let-values (((before body after proc-body) + result)) + (let ((body+ + (if (string=? (string-append before body after) + line) + body (self body)))) + (if (and (null-string? before) + (null-string? after)) + (proc-body body+) + (append-trees (self before) + (proc-body body+) + (self after))))) + line))) + (else + (error "line-processor: internal error" line))))))) + +(define %line-processor + (make-line-processor %inline-markup)) + + + +;;; +;;; Large-scale structures: paragraphs, chapters, sections, etc. +;;; + +(define (process-paragraph line line-proc port) + (let loop ((line line) + (result '())) + (if (or (eof-object? line) (empty-line? line)) + (cons 'p result) + (loop (read-line port) + (let ((line (line-proc line))) + (append-trees result line "\n")))))) + +(define (make-node-processor rx node-type title-proc line-proc + subnode-proc end-of-node?) + "Return a procedure that reads the given string and return an AST node of +type @var{node-type} or @code{#f}. When the original string matches the node +header, then the rest of the node is read from @var{port}." + (lambda (line port) + (let ((match (regexp-exec rx line))) + (if (not match) + #f + (let ((title (line-proc (title-proc match)))) + (let loop ((line (read-line port)) + (body '())) + (cond ((or (eof-object? line) + (regexp-exec rx line) + (and (procedure? end-of-node?) + (end-of-node? line))) + (values line + `(,node-type :title ,title ,@(reverse! body)))) + + ((empty-line? line) + (loop (read-line port) body)) + + (else + (let ((subnode (and subnode-proc + (apply subnode-proc + (list line port))))) + (if subnode + (let-values (((line node) subnode)) + (loop line (cons node body))) + (let ((par (process-paragraph line line-proc port))) + (loop (read-line port) + (cons par body))))))))))))) + + +(define (node-markup-line? line) + (define node-rx (make-regexp "^\\*+ (.+)$" regexp/extended)) + (regexp-exec node-rx line)) + +(define %node-processors + (let ((section-proc + (make-node-processor (make-regexp "^\\*\\* (.+)$" regexp/extended) + 'section + (lambda (m) (match:substring m 1)) + %line-processor + #f + node-markup-line?))) + (list (make-node-processor (make-regexp "^\\* (.+)$" regexp/extended) + 'chapter + (lambda (m) (match:substring m 1)) + %line-processor + section-proc + #f)))) + + + + +;;; +;;; The top-level parser. +;;; + +(define (make-document-processor node-procs line-proc) + (lambda (line port) + (let self ((line line) + (doc '())) + ;;(format #t "doc-proc: ~a~%" line) + (if (eof-object? line) + (if (null? doc) + line + (reverse! doc)) + (if (empty-line? line) + (self (read-line port) doc) + (let ((result (apply-any node-procs (list line port)))) + (if result + (let-values (((line node) result)) + (self line (cons node doc))) + (let ((par (process-paragraph line line-proc port))) + (self (read-line port) + (cons par doc)))))))))) + + +(define* (outline-reader :optional (port (current-input-port))) + (define modeline-rx + (make-regexp "^[[:space:]]*-\\*- [a-zA-Z-]+ -\\*-[[:space:]]*$")) + (define title-rx (make-regexp "^[Tt]itle: (.+)$" regexp/extended)) + (define author-rx (make-regexp "^[Aa]uthor: (.+)$" regexp/extended)) + + (let ((doc-proc (make-document-processor %node-processors %line-processor))) + + (let loop ((title #f) + (author #f) + (line (read-line port))) + + (if (eof-object? line) + (if (or title author) + `(document :title ,title :author (author :name ,author) '()) + line) + (if (or (empty-line? line) + (regexp-exec modeline-rx line)) + (loop title author (read-line port)) + (let ((title-match (regexp-exec title-rx line))) + (if title-match + (loop (match:substring title-match 1) + author (read-line port)) + (let ((author-match (regexp-exec author-rx line))) + (if author-match + (loop title (match:substring author-match 1) + (read-line port)) + + ;; Let's go. + `(document :title ,title + :author (author :name ,author) + ,@(doc-proc line port))))))))))) + + +(define* (make-outline-reader :optional (version "0.1")) + outline-reader) + + + +;;; The reader specification. + +(define-reader outline "0.1" make-outline-reader) + + +;;; arch-tag: 53473e73-c811-4eed-a0b4-22ada4d6ef08 + +;;; outline.scm ends here + |