| <html> |
| <head> |
| <%@ include file="header.jsp" %> |
| <title>Unicode Utilities: Confusables</title> |
| </head> |
| <body> |
| <% |
| request.setCharacterEncoding("UTF-8"); |
| //response.setContentType("text/html;charset=UTF-8"); //this is redundant |
| String queryString = request.getQueryString(); |
| |
| UtfParameters utfParameters = new UtfParameters(queryString); |
| |
| String test = utfParameters.getParameter("a", "paypal"); |
| |
| String p = utfParameters.getParameter("r", "None"); |
| int p2 = p.equals("None") ? 0 |
| : p.equals("IDNA2003") ? 1 |
| : p.equals("IDNA2008") ? 2 |
| : 3; |
| |
| UnicodeSet a = new UnicodeSet(); |
| String a_out = UnicodeJsp.getConfusables(test, p2); |
| |
| %> |
| <h1>Unicode Utilities: Confusables</h1> |
| <%@ include file="subtitle.jsp" %> |
| <p><a target="help" href="http://cldr.unicode.org/unicode-utilities/confusables"><b>help</b></a> | <%@ include file="others.jsp" %></p> |
| <form name="myform"> |
| <table border="1" cellpadding="0" cellspacing="0" style="border-collapse: collapse; width:100%"> |
| <tr> |
| <th style="width: 50%">Input</th> |
| <td rowSpan='3'><i>With this demo, you can supply an Input string and see the combinations that are confusable with it, |
| using data collected by the Unicode consortium. You can also try different restrictions, using characters valid in |
| different approaches to international domain names. For more info, see <a href='#data'>Data</a> below.</i> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <input name="a" type="text" value="<%=test%>" style="width: 100%"> |
| <!-- <textarea name="a" rows="8" cols="5" style="width: 100%; height: 100%"><%=test%></textarea> --> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <label for="r">Restriction</label> |
| <select name="r"> |
| <option<%= p2==0 ? " selected" : ""%>>None</option> |
| <option<%= p2==1 ? " selected" : ""%>>IDNA2003</option> |
| <option<%= p2==2 ? " selected" : ""%>>IDNA2008</option> |
| <option<%= p2==3 ? " selected" : ""%>>UTS46+UTS39</option> |
| </select> |
| <input id='main' type="submit" value="Show" onClick="window.location.href='list-unicodeset.jsp?a='+document.getElementById('main').value"/> |
| </td> |
| </tr> |
| </table> |
| </form> |
| <div style='margin:1em; font-family:sans-serif,"Arial Unicode MS"'><%=a_out%></div> |
| <hr> |
| <h2><a name="data">Data</a></h2> |
| <p> |
| Confusable characters are those that may be confused with others (in some common UI fonts), |
| such as the Latin letter "o" and the Greek letter omicron "ο". Fonts make a difference: for example, |
| the Hebrew character "ס" looks confusingly similar to "o" in some fonts (such as Arial Hebrew), but not in others. |
| See also unaccented <a target="list" href='list-unicodeset.jsp?\p{latin}-\p{nfkdqc%3Dn}'>Latin Characters.</a>.</i> |
| </p> |
| <p>The data for confusables and restrictions is from UTS39. You can <a href='http://www.macchiato.com/unicode/security-mechanisms' target="_blank">suggest |
| additions or changes</a> to the Unicode data for future versions of that standard.</p> |
| <ul> |
| <li>The confusables data is in the <a href='http://www.unicode.org/Public/security/revision-03/confusablesSummary.txt' target="_blank">confusablesSummary</a> file.</li> |
| <li>The restricted ID data is the <a href='http://www.unicode.org/Public/security/revision-03/xidmodifications.txt' target="_blank">xidmodifications</a> file.</li> |
| <li>The "UTS46+UTS39" test checks mixed scripts according to the levels in |
| <a href='http://www.unicode.org/reports/tr36/tr36-8.html#Security_Levels_and_Alerts' target="_blank">Unicode Security Considerations (proposed update)</a>, |
| such as "aα", "a٠b", or "Ꭰa1". |
| It also checks for Hans vs Hant (万丟); for different number systems(1٦, ٦۶); and for duplicate non-spacing marks (ä̈). |
| |
| </ul> |
| <p>For more information on the use of the data, |
| see proposed updates <a href='http://www.unicode.org/reports/tr39/tr39-3.html' target="_blank">Unicode Security Mechanisms</a> and |
| <a href='http://www.unicode.org/reports/tr36/tr36-8.html' target="_blank">Unicode Security Considerations</a>. |
| </p> |
| <p>The restrictions are purely on a character level. For a more detailed view, see <a target="idna" href="idna.jsp">idna</a>. |
| <h2>Caveats</h2> |
| <p>The Unicode data is designed for testing, not enumerating, so not all combinations are generated in this demo; |
| In particular, where a character is confusable with a sequence, not all combinations are generated. |
| </p> |
| <br> |
| <%@ include file="footer.jsp" %> |
| </body> |
| </html> |
