org-exp: raise an error when trying to export code blocks w/o languages

* lisp/ob.el (org-babel-get-src-block-info): ensure that we don't
  match (and return info for) source blocks without a language

* lisp/org-exp.el (org-export-replace-src-segments-and-examples):
  updated source code block regexp so that the presence of a language
  can be explicitly checked.  Also now raising an error when a source
  block does not have a language.
This commit is contained in:
Eric Schulte 2010-07-12 10:42:59 -07:00
parent 1e50216854
commit e8033b7f04
2 changed files with 22 additions and 11 deletions

View File

@ -143,7 +143,8 @@ added to the header-arguments-alist."
(setq indent (car (last info)))
(setq info (butlast info))
(forward-line -1)
(if (looking-at org-babel-src-name-w-name-regexp)
(if (and (looking-at org-babel-src-name-w-name-regexp)
(match-string 2))
(progn
(setq info (append info (list (org-babel-clean-text-properties
(match-string 2)))))

View File

@ -2107,19 +2107,29 @@ in the list) and remove property and value from the list in LISTVAR."
lang code trans opts indent caption)
(goto-char (point-min))
(while (re-search-forward
"\\(^\\([ \t]*\\)#\\+BEGIN_SRC:?[ \t]+\\([^ \t\n]+\\)\\(.*\\)\n\\([^\000]+?\n\\)[ \t]*#\\+END_SRC.*\n?\\)\\|\\(^\\([ \t]*\\)#\\+BEGIN_EXAMPLE:?\\(?:[ \t]+\\(.*\\)\\)?\n\\([^\000]+?\n\\)[ \t]*#\\+END_EXAMPLE.*\n?\\)"
"\\(^\\([ \t]*\\)#\\+BEGIN_SRC:?\\([ \t]+\\([^ \t\n]+\\)\\)?\\(.*\\)\n\\([^\000]+?\n\\)[ \t]*#\\+END_SRC.*\n?\\)\\|\\(^\\([ \t]*\\)#\\+BEGIN_EXAMPLE:?\\(?:[ \t]+\\(.*\\)\\)?\n\\([^\000]+?\n\\)[ \t]*#\\+END_EXAMPLE.*\n?\\)"
nil t)
(if (match-end 1)
;; src segments
(setq lang (match-string 3)
opts (match-string 4)
code (match-string 5)
indent (length (match-string 2))
caption (get-text-property 0 'org-caption (match-string 0)))
(if (not (match-string 4))
(error "source block missing language specification: %s"
(let* ((body (match-string 6))
(nothing (message "body:%s" body))
(preview (or (and (string-match
"^[ \t]*\\([^\n\r]*\\)" body)
(match-string 1 body)) body)))
(if (> (length preview) 35)
(concat (substring preview 0 32) "...")
preview)))
;; src segments
(setq lang (match-string 4)
opts (match-string 5)
code (match-string 6)
indent (length (match-string 2))
caption (get-text-property 0 'org-caption (match-string 0))))
(setq lang nil
opts (match-string 8)
code (match-string 9)
indent (length (match-string 7))
opts (match-string 9)
code (match-string 10)
indent (length (match-string 8))
caption (get-text-property 0 'org-caption (match-string 0))))
(setq trans (org-export-format-source-code-or-example