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Re: Help with emacs scripting


From: Daniel Sousa
Subject: Re: Help with emacs scripting
Date: Mon, 16 Apr 2012 01:10:38 +0100

Thank you very much, that does almost what I wanted. I made a few changes to make the script work and then I changed it to check if the string was already in the .php files and if it is, it uses it.
Since I don't know regular expressions and it's the first time I'm using lisp, I guess this is a terrible code, but it works

Once again, thank you for your help.
I left here the final code I'll be using:
(defvar *ds-languages-dir* "languages")
(defvar *ds-php-file* (format "%s/pt.php" *ds-languages-dir*))
(defvar *ds-php-buffer* ())

(defun  ds-create-lang-entries ()
 "Change the selection in the current buffer and create a PHP definition in the PHP file.
The change to make is
   \'\'
        --> \'<xsl:value-of select=\"/xml/lang/_MATCHED_STRING\" />\'.
The addition to the PHP file is made at the end of the file;
it is \'DEFINE(\"_LANG_MATCHED_STRING\", \"%s\");\'."
 (interactive)
 (ensure-php-buffer)
 (let ((xsl-format "<xsl:value-of select=\"/xml/lang/_%s\" />")
       (php-format "DEFINE(\"_LANG_%s\", \"%s\");\n")
       (oldbuf (current-buffer))
       (the-string (buffer-substring-no-properties (point) (mark))))
   (save-current-buffer
      (set-buffer *ds-php-buffer*)
      (if (search-backward the-string nil t)
        (progn
 (let ((endpoint (- (point) 4)))
   (search-backward "DEFINE" nil t)
   (let ((the-constant (buffer-substring-no-properties (search-forward "_LANG_") endpoint)))
              ;; Change the selected text to the appropriate XSL
     (set-buffer oldbuf)
              (delete-region (point) (mark))
              (goto-char (mark))
              (insert (format xsl-format the-constant)))))
(progn
 (set-buffer oldbuf)
            (let* ((the-constant (replace-regexp-in-string " " "_" (upcase (read-from-minibuffer "constant: ")))))
              ;; Change the selected text to the appropriate XSL
              (delete-region (point) (mark))
              (goto-char (mark))
              (insert (format xsl-format the-constant))
              ;; <xsl:value-of select="/xml/lang/_BIG_TEXT" />
              (save-excursion
                (set-buffer *ds-php-buffer*)
                (goto-char (point-max))
                (insert (format php-format the-constant the-string)))))))))

(defun ensure-php-buffer ()
 "Make sure that everything about the PHP buffer is good."
 (unless (file-directory-p *ds-languages-dir*) (make-directory *ds-languages-dir* t))
 (unless *ds-php-buffer* (setq *ds-php-buffer* (find-file-noselect *ds-php-file*))))

(local-set-key "\C-c\C-c" 'ds-create-lang-entries)

On Fri, Apr 13, 2012 at 2:56 PM, Doug Lewan <address@hidden> wrote:
A concrete example always makes vague requirements clearer.
Thank you.

I think the following will do what you want.
The process is this:
1. Go through the XSL buffer(s),
2. sweeping the strings of interest and
3. type C-cC-c to process.
4. Move on to the next string and repeat.

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(defvar *ds-languages-dir* "languages")
(defvar *ds-php-file* (format "%s/pt.php" *ds-languages-dir*))
(defvar *ds-php-buffer* ())

(defun  ds-create-lang-entries ()
 "Change the selection in the current buffer and create a PHP definition in the PHP file.
The change to make is
   \'MATCHED_STRING\'
        --> \'<xsl:value-of select=\"/xml/lang/MATCHED_STRING\" />\'.
The addition to the PHP file is made at the end of the file;
it is \'DEFINE(\"_LANG_MATCHED_STRING\", \"bar\");\'."
 (interactive)
 (ensure-php-buffer)
 (let* ((xsl-format "<xsl:value-of select=\"/xml/lang/%s\" />")
        (php-format "DEFINE(\"_LANG_%s\", \"bar\");\n")
        (the-string (buffer-substring-no-properties (point) (mark)))
        (the-STRING (upcase the-string)))
   ;; Change the selected text to the appropriate XSL
   (delete-region (point) (mark))
   (goto-char (mark))
   (insert (format xsl-format the-string))
   ;; Now add a PHP definition at the end of the PHP file.
   (save-excursion
     (set-buffer *ds-php-buffer*)
     (goto-char (point-max))
     (insert (format php-format the-STRING)))))

(defun ensure-php-buffer ()
 "Make sure that everything about the PHP buffer is good."
 (unless (file-directory-p *ds-languages-dir*) (make-directory *ds-languages-dir* t))
 (unless *ds-php-buffer* (setq *ds-php-buffer* (find-file-noselect *ds-php-file*))))

(local-set-key "\C-c\C-c" 'ds-create-lang-entries)

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

I hope this helps.

,Doug



From: help-gnu-emacs-bounces+dougl=address@hidden [mailto:help-gnu-emacs-bounces+dougl=address@hidden] On Behalf Of Daniel Sousa
Sent: Thursday, 2012 April 12 12:10
To: address@hidden
Subject: Re: Help with emacs scripting

I'm majoring in applied math and computation, I know pretty well that computers are dumb xD

I think neither of you have understood what I wanted, so I'll give you an example.
I have a lot of .xsl that generate pages and I want to make those pages translatable. I migth have the file, for exemple, welcome.xsl:
<?xml version="1.0" encoding="ISO-8859-1" ?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> 
<xsl:output method="html" indent="yes" encoding="iso-8859-1" />
<xsl:template match="/">
<xsl:if test="welcome">
<p>Bem-vindo</p>
</xsl:if>
<ul>
<xsl:for-each select="elements">
<li>Coisa <xsl:value-of select="name" /></li>
</xsl:for-each>
</ul>
</xsl:template>
</xsl:stylesheet>
And I wanted to make this translatable, so I change this to
<?xml version="1.0" encoding="ISO-8859-1" ?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> 
<xsl:output method="html" indent="yes" encoding="iso-8859-1" />
<xsl:template match="/xml">
<xsl:if test="welcome">
<p><xsl:value-of select="/xml/lang/_WELCOME" /></p>
</xsl:if>
<ul>
<xsl:for-each select="elements">
<li> <xsl:value-of select="/xml/lang/_STUFF" />  <xsl:value-of select="name" /></li>
</xsl:for-each>
</ul>
</xsl:template>
</xsl:stylesheet>
And I create a languages/pt.php with:
 define('_LANG_WELCOME','Bem-vindo');
 define('_LANG_STUFF','Coisa');

I have a piece of php code that puts in the xml all the constants that begin with "_LANG".

I have a lot of these .xsl and I need to go manually through them all to find the strings that I want to make translatable. What I want this script to do is, on my input put that <xsl:value-of select="/xml/lang/_STUFF" /> thing on the place I select and append to the language file the repective define();.


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