Re: [Phpwiki-talk] <code></code> tags [was <pre> tags]

[Lawrence A. <la...@us...>]

I thought of that :-)

No - all html between <code> tags is escaped.  So you can cut and paste 
html without a problem.

Lawrence



At 22:35 06/12/2001, Steve Wainstead wrote:


>Can I do:
>
><code>
>
><script language="Javascript">
>alert("hello sailor!);
></script>
>
></code>
>
>If so, this is a security breach...
>
>~swain
>
>On Thu, 6 Dec 2001, Lawrence Akka wrote:
>
> > I have patched lib/transform.php (cvs as of today) to enable a new
> > formatting rule.
> >
> > A line beginning <code> will switch wiki formatting off, until a line
> > beginning </code>
> >
> > It is now easier to cut and paste large chunks of code into a wiki, without
> > all the ['s creating automatic links.
> >
> > In other words:
> >
> > test
> > <code>
> > This is a __wiki test__.  $array['index']
> > </code>
> > test
> >
> > will display as
> >
> > test
> >
> > This is a __wiki test__. $array['index']
> >
> > test
> >
> > I would appreciate feedback on this:
> >
> > *  Is it useful?
> > *  Does it work?
> > *  Should <code></code> be something else?
> > *  Should it go into the cvs?
> >
> > At the moment I am aware of one problem - an extra blank line seems to be
> > inserted after the end of the code
> >
> > Thanks
> >
> > Lawrence Akka
> >
> >
> > Context diff follows:
> >
> >
> > *** transform.old.php Thu Dec  6 14:21:31 2001
> > --- transform.php     Thu Dec  6 14:29:43 2001
> > ***************
> > *** 1,10 ****
> > ! <?php rcs_id('$Id: transform.php,v 1.27 2001/11/16 22:59:02 dairiki 
> Exp $');
> >    require_once('lib/WikiPlugin.php');
> >
> >    define('WT_SIMPLE_MARKUP', 0);
> >    define('WT_TOKENIZER', 1);
> >    define('WT_MODE_MARKUP', 2);
> > !
> >    define("ZERO_LEVEL", 0);
> >    define("NESTED_LEVEL", 1);
> >
> > --- 1,10 ----
> > ! <?php rcs_id('$Id: transform.php,v 1.4 2001/11/27 10:44:32 lakka Exp $');
> >    require_once('lib/WikiPlugin.php');
> >
> >    define('WT_SIMPLE_MARKUP', 0);
> >    define('WT_TOKENIZER', 1);
> >    define('WT_MODE_MARKUP', 2);
> > ! define('WT_NO_MARKUP', 4);
> >    define("ZERO_LEVEL", 0);
> >    define("NESTED_LEVEL", 1);
> >
> > ***************
> > *** 15,20 ****
> > --- 15,21 ----
> >       var $replacements;      // storage for tokenized strings of 
> current line
> >       var $user_data; // can be used by the transformer functions
> >                            // to store miscellaneous data.
> > +    var $MarkupEnabled;  // flag to determine whether markup shoud be
> > transformed.  added by LA
> >
> >       // private variables
> >       var $content;   // wiki markup, array of lines
> > ***************
> > *** 27,32 ****
> > --- 28,34 ----
> >       {
> >          $this->trfrm_func = array();
> >          $this->stack = new Stack;
> > +       $this->MarkupEnabled = 1;  // Added by LA
> >       }
> >
> >       /**
> > ***************
> > *** 241,246 ****
> > --- 243,256 ----
> >             list($flags, $func, $regexp) = current($this->trfrm_func);
> >             next($this->trfrm_func)) {
> >
> > +         // if MarkupEnabled is not set then ignore all further markup,
> > +         // except WT_NO_MARKUP functions (or we couldn't turn markup
> > +         // back on again (!), and wtm_specialchars (to remove html)
> > +         // Added by LA
> > +
> > +         if (!$this->MarkupEnabled && !($flags & WT_NO_MARKUP) && $func !=
> > 'wtm_htmlchars')
> > +             continue;
> > +
> >           // if HTMLmode is already set then skip all following
> >           // WT_MODE_MARKUP functions
> >           if ($this->mode_set && ($flags & WT_MODE_MARKUP) != 0)
> > ***************
> > *** 316,321 ****
> > --- 326,332 ----
> >    // register functions
> >    // functions are applied in order of registering
> >
> > + $transform->register(WT_NO_MARKUP, 'wtm_no_markup', '^<code>|^<\/code>');
> > //Added by LA
> >    $transform->register(WT_SIMPLE_MARKUP, 'wtm_plugin_link');
> >    $transform->register(WT_MODE_MARKUP, 'wtm_plugin');
> >
> > ***************
> > *** 643,648 ****
> > --- 654,673 ----
> >       function wtm_paragraph($line, &$trfrm) {
> >          $line = $trfrm->SetHTMLMode('p') . $line;
> >          return $line;
> > +    }
> > +
> > +    // No markup between <code>, </code>.  Added by LA
> > +    function wtm_no_markup($line, &$trfrm) {
> > +        if (preg_match('/^<code>(.*)/', $line, $m)) {
> > +            $trfrm->MarkupEnabled = 0;
> > +            $line = $trfrm->SetHTMLMode('pre').$m[1];
> > +        echo 'on';
> > +        } elseif (preg_match('/^<\/code>(.*)/', $line, $m)) {
> > +        $trfrm->MarkupEnabled = 1;
> > +        $line = $trfrm->SetHTMLMode('',0).$m[1];
> > +        echo 'off';
> > +        }
> > +        return $line;
> >       }
> >
> >    // (c-file-style: "gnu")
> >
> >
> > _______________________________________________
> > Phpwiki-talk mailing list
> > Php...@li...
> > https://lists.sourceforge.net/lists/listinfo/phpwiki-talk
> >
>
>---
>                   http://www.panix.com/~swain/
>"Without music to decorate it, time is just a bunch of boring
>production deadlines or dates by which bills must be paid."
>                      -- Frank Zappa
>
>
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