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/* ************************************************************************

   qooxdoo - the new era of web development

   http://qooxdoo.org

   Copyright:
     2004-2006 by 1&1 Internet AG, Germany, http://www.1and1.org

   License:
     LGPL 2.1: http://www.gnu.org/licenses/lgpl.html

   Authors:
     * Sebastian Werner (wpbasti)
     * Andreas Ecker (ecker)

************************************************************************ */

/* ************************************************************************


************************************************************************ */

/**
 * Optimized version of SuperTextile
 */
qx.OO.defineClass("qx.util.Textile");

/**
 * ATTENTION: Deprecated module. Will be removed with qooxdoo 0.7.
 *
 * Textilizes a string
 * http://www.creatimation.net/journal/textile-live-preview (offline)
 *
 * @param s {string} Text to be textilized.
 * @return {string} The textilized text.
 */
qx.util.Textile.textilize = function(s)
{
  var r = s;

  // quick tags first
  var qtags = [
    ["\\*", "strong"],
    ["\\?\\?", "cite"],
    ["\\+", "ins"],
    ["~", "sub"],
    ["\\^", "sup"],
    ["@", "code"]
  ];

  var ttag, htag, re, line, lines, nr, changed, inlist, listtype;

  for (var i=0;i<qtags.length;i++) {
    ttag = qtags[i][0]; htag = qtags[i][1];
    re = new RegExp(ttag+"\\b(.+?)\\b"+ttag,"g");
    r = r.replace(re,"<"+htag+">"+"$1"+"</"+htag+">");
  }

  // underscores count as part of a word, so do them separately
  re = new RegExp("\\b_(.+?)_\\b","g");
  r = r.replace(re,"<em>$1</em>");

  // jeff: so do dashes
  re = new RegExp("[\s\n]-(.+?)-[\s\n]","g");
  r = r.replace(re,"<del>$1</del>");

  // links
  re = new RegExp('"\\b(.+?)\\(\\b(.+?)\\b\\)":([^\\s]+)','g');
  r = r.replace(re,'<a href="$3" title="$2">$1</a>');
  re = new RegExp('"\\b(.+?)\\b":([^\\s]+)','g');
  r = r.replace(re,'<a href="$2">$1</a>');

  // images
  re = new RegExp("!\\b(.+?)\\(\\b(.+?)\\b\\)!","g");
  r = r.replace(re,'<img src="$1" alt="$2">');
  re = new RegExp("!\\b(.+?)\\b!","g");
  r = r.replace(re,'<img src="$1">');

  // block level formatting

  // Jeff's hack to show single line breaks as they should.
  // insert breaks - but you get some....stupid ones
  re = new RegExp("(.*)\n([^#\*\n].*)","g");
  r = r.replace(re,"$1<br />$2");

  // remove the stupid breaks.
  re = new RegExp("\n<br />","g");
  r = r.replace(re,"\n");

  lines = r.split("\n");
  nr = "";

  for (var i=0;i<lines.length;i++)
  {
    line = lines[i].replace(/\s*$/,"");
    changed = 0;

    if (line.search(/^\s*bq\.\s+/) != -1)
    {
      line = line.replace(/^\s*bq\.\s+/,"\t<blockquote>")+"</blockquote>";
      changed = 1;
    }

    // jeff adds h#.
    if (line.search(/^\s*h[1-6]\.\s+/) != -1)
    {
       re = new RegExp("h([1-6])\.(.+)","g");
      line = line.replace(re,"<h$1>$2</h$1>");
      changed = 1;
    }

    if (line.search(/^\s*\*\s+/) != -1)
    {
      // for bullet list; make up an liu tag to be fixed later
      line = line.replace(/^\s*\*\s+/,"\t<liu>") + "</liu>";
      changed = 1;
    }

    if (line.search(/^\s*#\s+/) != -1)
    {
      // # for numeric list; make up an lio tag to be fixed later
      line = line.replace(/^\s*#\s+/,"\t<lio>") + "</lio>";
      changed = 1;
    }

    if (!changed && (line.replace(/\s/g,"").length > 0))
    {
      line = "<p>"+line+"</p>";
    }

    lines[i] = line + "\n";
  }

  // Second pass to do lists
  inlist = 0;
  listtype = "";

  for (var i=0;i<lines.length;i++)
  {
    line = lines[i];

    if (inlist && listtype == "ul" && !line.match(/^\t<liu/))
    {
      line = "</ul>\n" + line;
      inlist = 0;
    }

    if (inlist && listtype == "ol" && !line.match(/^\t<lio/))
    {
      line = "</ol>\n" + line;
      inlist = 0;
    }

    if (!inlist && line.match(/^\t<liu/))
    {
      line = "<ul>" + line;
      inlist = 1;
      listtype = "ul";
    }

    if (!inlist && line.match(/^\t<lio/))
    {
      line = "<ol>" + line;
      inlist = 1;
      listtype = "ol";
    }

    lines[i] = line;
  }

  r = lines.join("\n");

  // jeff added : will correctly replace <li(o|u)> AND </li(o|u)>
  r = r.replace(/li[o|u]>/g, "li>");

  return r;
}