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authorLudovic Court`es2006-11-17 09:06:30 +0000
committerLudovic Court`es2006-11-17 09:06:30 +0000
commitb2aec83973f1b7c2bf9e952ed8e713611cbdc7fb (patch)
tree17b8eb6efc0dbea3cbbf142ef6a9a33d3ec4d022 /src
parent62443764135d6810a8e45d888b282344c5de42a5 (diff)
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outline reader: Support keywords.
* src/guile/skribilo/reader/outline.scm (outline-reader)[keywords-rx]: New. [author-rx]: Support "Authors" (plural). [extract-keywords]: New. Use a `cond' instead of nested `if's when matching the title/author/keywords regexps. git-archimport-id: skribilo@sv.gnu.org--2006/skribilo--devo--1.2--patch-16
Diffstat (limited to 'src')
-rw-r--r--src/guile/skribilo/reader/outline.scm54
1 files changed, 39 insertions, 15 deletions
diff --git a/src/guile/skribilo/reader/outline.scm b/src/guile/skribilo/reader/outline.scm
index 09792f5..7411892 100644
--- a/src/guile/skribilo/reader/outline.scm
+++ b/src/guile/skribilo/reader/outline.scm
@@ -22,7 +22,10 @@
:use-module (skribilo utils syntax)
:use-module (skribilo reader)
:use-module (ice-9 optargs)
+
:use-module (srfi srfi-11)
+ :use-module (srfi srfi-13)
+ :use-module (srfi srfi-14)
:autoload (ice-9 rdelim) (read-line)
:autoload (ice-9 regex) (make-regexp)
@@ -380,12 +383,19 @@ to @var{node-type}."
(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: (.+)$" regexp/extended))
+ (define author-rx (make-regexp "^[Aa]uthors?: (.+)$" regexp/extended))
+ (define keywords-rx
+ (make-regexp "^[Kk]ey ?[wW]ords?: (.+)$" regexp/extended))
+
+ (define (extract-keywords str)
+ (map string-trim-both
+ (string-tokenize str (char-set-complement (char-set #\,)))))
(let ((doc-proc (make-document-processor %node-processors %line-processor)))
(let loop ((title #f)
(author #f)
+ (keywords '())
(line (read-line port)))
(if (eof-object? line)
@@ -394,20 +404,34 @@ to @var{node-type}."
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)))))))))))
+ (loop title author keywords (read-line port))
+ (cond ((regexp-exec title-rx line)
+ =>
+ (lambda (title-match)
+ (loop (match:substring title-match 1)
+ author keywords (read-line port))))
+
+ ((regexp-exec author-rx line)
+ =>
+ (lambda (author-match)
+ (loop title (match:substring author-match 1)
+ keywords (read-line port))))
+
+ ((regexp-exec keywords-rx line)
+ =>
+ (lambda (kw-match)
+ (loop title author
+ (append keywords
+ (extract-keywords
+ (match:substring kw-match 1)))
+ (read-line port))))
+
+ (else
+ ;; Let's go.
+ `(document :title ,title
+ :author (author :name ,author)
+ :keywords ',keywords
+ ,@(doc-proc line port)))))))))
(define* (make-outline-reader :optional (version "0.1"))