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* suggesting a new function org-export-string
@ 2010-10-17 21:22 Eric Schulte
  2010-10-22  7:58 ` Carsten Dominik
  0 siblings, 1 reply; 3+ messages in thread
From: Eric Schulte @ 2010-10-17 21:22 UTC (permalink / raw)
  To: Org Mode

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The attached patch adds a new functions org-export-as-string.

,----
| org-export-string is a Lisp function in `org-exp.el'.
| 
| (org-export-string STRING FMT &optional DIR)
| 
| Export STRING to FMT using existing export facilities.
| During export STRING is saved to a temporary file whose location
| could vary.  Optional argument DIR can be used to force the
| directory in which the temporary file is created during export
| which can be useful for resolving relative paths.  Dir defaults
| to the value of `temporary-file-directory'.
`----

This function should be useful in user code, and can already reduce the
amount of code in ob-org.el and org-mime.el.


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From e51017e4d7051aad31384a470f0a695dca0d6716 Mon Sep 17 00:00:00 2001
From: Eric Schulte <schulte.eric@gmail.com>
Date: Sun, 17 Oct 2010 15:17:13 -0600
Subject: [PATCH] org-export-string -- exports a string of org-mode markup text

* lisp/org-exp.el (org-export-string): new function org-export-string
  can be used to convert a string of test in org-mode markup to a
  specified format

* contrib/lisp/org-mime.el (org-mime-htmlize): now using new
  org-export-string function for exportation

* lisp/ob-org.el (org-babel-execute:org): now using new
  org-export-string function for exportation
---
 contrib/lisp/org-mime.el |   20 +-------------------
 lisp/ob-org.el           |   27 ++++-----------------------
 lisp/org-exp.el          |   22 ++++++++++++++++++++++
 3 files changed, 27 insertions(+), 42 deletions(-)

diff --git a/contrib/lisp/org-mime.el b/contrib/lisp/org-mime.el
index 109ec69..0537b9d 100644
--- a/contrib/lisp/org-mime.el
+++ b/contrib/lisp/org-mime.el
@@ -175,7 +175,7 @@ export that region, otherwise export the entire body."
                        (point-max)))
          (raw-body (buffer-substring html-start html-end))
          (tmp-file (make-temp-name (expand-file-name "mail" temporary-file-directory)))
-         (body (org-mime-org-export "org" raw-body tmp-file))
+         (body (org-export-string raw-body "org" (file-name-directory tmp-file)))
          ;; because we probably don't want to skip part of our mail
          (org-export-skip-text-before-1st-heading nil)
          ;; because we probably don't want to export a huge style file
@@ -198,24 +198,6 @@ export that region, otherwise export the entire body."
       (insert (org-mime-multipart body html)
               (mapconcat 'identity html-images "\n")))))
 
-(defun org-mime-org-export (fmt body tmp-file)
-  "Org-Export BODY to format FMT with the file name set to
-TMP-FILE during export."
-  (save-excursion
-    (with-temp-buffer
-      (insert org-mime-default-header)
-      (insert body)
-      (write-file tmp-file)
-      (org-load-modules-maybe)
-      (unless org-local-vars
-        (setq org-local-vars (org-get-local-variables)))
-      (substring
-       (eval ;; convert to fmt -- mimicing `org-run-like-in-org-mode'
-        (list 'let org-local-vars 
-              (list (intern (concat "org-export-as-" fmt))
-                    nil nil nil ''string t)))
-       (if (string= fmt "org") (length org-mime-default-header) 0)))))
-
 (defun org-mime-apply-html-hook (html)
   (if org-mime-html-hook
       (with-temp-buffer
diff --git a/lisp/ob-org.el b/lisp/ob-org.el
index 8b45de8..dcc2ee1 100644
--- a/lisp/ob-org.el
+++ b/lisp/ob-org.el
@@ -30,8 +30,7 @@
 ;;; Code:
 (require 'ob)
 
-(declare-function org-load-modules-maybe "org" (&optional force))
-(declare-function org-get-local-variables "org" ())
+(declare-function org-export-string "org-exp" (string fmt &optional dir))
 
 (defvar org-babel-default-header-args:org
   '((:results . "raw silent") (:exports . "results"))
@@ -50,29 +49,11 @@ This function is called by `org-babel-execute-src-block'."
   (let ((result-params (split-string (or (cdr (assoc :results params)) "")))
 	(body (replace-regexp-in-string "^," "" body)))
     (cond
-     ((member "latex" result-params) (org-babel-org-export body "latex"))
-     ((member "html" result-params)  (org-babel-org-export body "html"))
-     ((member "ascii" result-params) (org-babel-org-export body "ascii"))
+     ((member "latex" result-params) (org-export-string body "latex"))
+     ((member "html" result-params)  (org-export-string body "html"))
+     ((member "ascii" result-params) (org-export-string body "ascii"))
      (t body))))
 
-(defvar org-local-vars)
-(defun org-babel-org-export (body fmt)
-  "Export BODY to FMT using Org-mode's export facilities. "
-  (when (get-buffer " org-mode-tmp")
-    (error "Nested call to org-export: from org code block exporting results"))
-  (let ((tmp-file (org-babel-temp-file "org-")))
-    (with-temp-buffer
-      (insert org-babel-org-default-header)
-      (insert body)
-      (write-file tmp-file)
-      (org-load-modules-maybe)
-      (unless org-local-vars
-	(setq org-local-vars (org-get-local-variables)))
-      (eval ;; convert to fmt -- mimicking `org-run-like-in-org-mode'
-       (list 'let org-local-vars 
-	     (list (intern (concat "org-export-as-" fmt))
-		   nil nil nil ''string t))))))
-
 (defun org-babel-prep-session:org (session params)
   "Return an error because org does not support sessions."
   (error "Org does not support sessions"))
diff --git a/lisp/org-exp.el b/lisp/org-exp.el
index 9b455b1..b86b0f8 100644
--- a/lisp/org-exp.el
+++ b/lisp/org-exp.el
@@ -2587,6 +2587,28 @@ command."
 
 (defvar org-export-htmlized-org-css-url) ;; defined in org-html.el
 
+(defun org-export-string (string fmt &optional dir)
+  "Export STRING to FMT using existing export facilities.
+During export STRING is saved to a temporary file whose location
+could vary.  Optional argument DIR can be used to force the
+directory in which the temporary file is created during export
+which can be useful for resolving relative paths.  Dir defaults
+to the value of `temporary-file-directory'."
+  (let ((temporary-file-directory (or dir temporary-file-directory))
+	(tmp-file (make-temp-file "org-")))
+    (unwind-protect
+	(with-temp-buffer
+	  (insert body)
+	  (write-file tmp-file)
+	  (org-load-modules-maybe)
+	  (unless org-local-vars
+	    (setq org-local-vars (org-get-local-variables)))
+	  (eval ;; convert to fmt -- mimicing `org-run-like-in-org-mode'
+	   (list 'let org-local-vars 
+		 (list (intern (concat "org-export-as-" fmt))
+		       nil nil nil ''string t))))
+      (delete-file tmp-file))))
+
 ;;;###autoload
 (defun org-export-as-org (arg &optional hidden ext-plist
 			      to-buffer body-only pub-dir)
-- 
1.7.0.4


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^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2010-10-22 13:06 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2010-10-17 21:22 suggesting a new function org-export-string Eric Schulte
2010-10-22  7:58 ` Carsten Dominik
2010-10-22 12:49   ` Eric Schulte

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