artlantis / daisydiff

Automatically exported from code.google.com/p/daisydiff
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error on line 6 at column 8: Opening and ending tag mismatch: link line 0 and head #55

Open GoogleCodeExporter opened 9 years ago

GoogleCodeExporter commented 9 years ago
What steps will reproduce the problem?
1. I am using daisydiff 1.2 jar file and I have added that into my Maven 
Repository. 
2. I am trying to generate html comparison output directly to new tab and I 
pass ServletOutputStream to do that. 
3.

What is the expected output? What do you see instead?
I should see the difference between two html that I pass to InputSource in 
String format. But I get "error on line 6 at column 8: Opening and ending tag 
mismatch: link line 0 and head" this error. please look at the attachment. 

What version of the product are you using? On what operating system?
product version = daisydiff-1.2
OS = Windows 7

Please provide any additional information below.
If I create a standalone java application and use daisydiff jar then it 
successfully produces difference between two html. and places the output into 
daisydiff.htm file. Problem starts here: I added daisydiff 1.2 jar file into my 
maven repo. and I am using that in my web application. I pass old and new html 
as a String to the code below that I have taken from Main.java file and twisted 
according to my need.

public class DaisyDiffImpl 
{
    boolean htmlOut = true;

    public void generateProgrammeDifference(String newHtml, String oldHtml, OutputStream outputStream)
    {
        try
        {
        SAXTransformerFactory tf = (SAXTransformerFactory) TransformerFactory.newInstance();
        TransformerHandler result = tf.newTransformerHandler();
        result.setResult(new StreamResult(outputStream));  // can assign output stream or writer object instead of file. in our case.
        XslFilter filter = new XslFilter();
        ContentHandler postProcess = htmlOut? filter.xsl(result, "org/outerj/daisy/diff/htmlheader.xsl"):result;
        Locale locale = Locale.getDefault();
        String prefix = "diff";
        HtmlCleaner cleaner = new HtmlCleaner();
        InputSource oldSource = new InputSource(new StringReader(oldHtml));
        InputSource newSource =  new InputSource(new StringReader(newHtml));
        System.out.println("new Html = "+newHtml);
        System.out.println("old html =" + oldHtml);
        System.out.println("old source = "+oldSource);
        System.out.println("new Source "+newSource);

        DomTreeBuilder oldHandler = new DomTreeBuilder();
        System.out.println("cleaner = "+cleaner);
        cleaner.cleanAndParse(oldSource, oldHandler);
        System.out.print(".");
        TextNodeComparator leftComparator = new TextNodeComparator(
                oldHandler, locale);

        DomTreeBuilder newHandler = new DomTreeBuilder();
        cleaner.cleanAndParse(newSource, newHandler);
        System.out.print(".");
        TextNodeComparator rightComparator = new TextNodeComparator(
                newHandler, locale);

        postProcess.startDocument();
        postProcess.startElement("", "diffreport", "diffreport",
                new AttributesImpl());
//        doCSS(css, postProcess);
        postProcess.startElement("", "diff", "diff",
                new AttributesImpl());
        HtmlSaxDiffOutput output = new HtmlSaxDiffOutput(postProcess,
                prefix);

        HTMLDiffer differ = new HTMLDiffer(output);
        differ.diff(leftComparator, rightComparator);
        System.out.print(".");
        postProcess.endElement("", "diff", "diff");
        postProcess.endElement("", "diffreport", "diffreport");
        postProcess.endDocument();
        }
        catch(Exception e)
        {
            e.printStackTrace();
        }
    }
}

I pass ServletOutputStream from my Spring application so it should generate 
output directly to new tab. But instead of getting comparison output. I get the 
error (attached file). When I do 'view page source' on the page where I get 
this error. I can see it has generated html comparison output but I can't see 
output on the page.
Let me know if I am missing anything. or what should I do to resolve this issue.

Original issue reported on code.google.com by jignesh....@gmail.com on 12 Aug 2013 at 11:30

GoogleCodeExporter commented 9 years ago
sorry forgot to attach file. so attaching in the comment.

Original comment by jignesh....@gmail.com on 12 Aug 2013 at 11:33

Attachments:

GoogleCodeExporter commented 9 years ago
I just had a look at the line number 6 of page source and I found that the 
<link rel="stylesheet" type="text/css" href="css/diff.css">
does not have end tag. That can be this error. I think it's daisydiff 
generated. Please let me know how to solve this error.

Full generated html Page source:

<?xml version="1.0" encoding="UTF-8"?>
<html>
<head>
<META http-equiv="Content-Type" content="text/html; charset=UTF-8">
<link rel="stylesheet" type="text/css" href="css/diff.css">
</head>
<body>
<script type="text/javascript" src="js/tooltip/wz_tooltip.js"></script><script 
type="text/javascript" src="js/tooltip/tip_balloon.js"></script><script 
type="text/javascript" src="js/dojo/dojo.js"></script><script 
type="text/javascript" src="js/diff.js"></script><script>
        htmlDiffInit();
      </script>
<div class="diff-topbar">
<table class="diffpage-html-firstlast">
<tr>
<td style="text-align: left;"><a class="diffpage-html-a" 
onclick="scrollToEvent(event)" id="first-diff" href="#changed-diff-0" 
next="changed-diff-0"><img title="Go to first change." 
src="images/diff-first.gif" class="diff-icon"></a><a class="diffpage-html-a" 
onclick="scrollToEvent(event)" href="#changed-diff-0"> first</a></td><td 
style="text-align: center; font-size: 140%;"><a 
href="http://code.google.com/p/daisydiff/" class="diffpage-html-a" 
style="font-size: 100%;">Daisy Diff</a> compare report.<br>
<span style="font-style: italic; font-size: 70%;">Click on the changed parts 
for a detailed description. Use the left and right arrow keys to walk through 
the modifications.</span></td><td style="text-align: right;"><a 
class="diffpage-html-a" onclick="scrollToEvent(event)" href="#removed-diff-1">
              last </a><a class="diffpage-html-a" onclick="scrollToEvent(event)" id="last-diff" href="#removed-diff-1" previous="removed-diff-1"><img title="Go to last change." src="images/diff-last.gif" class="diff-icon"></a></td>
</tr>
</table>
</div>
<span class="diff-html-changed" id="changed-diff-0" changes="Moved out of a 
heading (level 1)." previous="first-diff" changeId="changed-diff-0" 
next="removed-diff-0" onclick="return tipC(constructToolTipC(this));">This is 
</span><span class="diff-html-removed" id="removed-diff-0" 
previous="changed-diff-0" changeId="removed-diff-0" next="added-diff-0" 
onclick="return tipR(constructToolTipR(this));">h1 </span><span 
class="diff-html-added" id="added-diff-0" previous="removed-diff-0" 
changeId="added-diff-0" next="changed-diff-1" onclick="return 
tipA(constructToolTipA(this));">normal </span><span class="diff-html-changed" 
id="changed-diff-1" changes="Moved out of a heading (level 1)." 
previous="added-diff-0" changeId="changed-diff-1" next="removed-diff-1" 
onclick="return tipC(constructToolTipC(this));">heading</span><span 
class="diff-html-removed" id="removed-diff-1" previous="changed-diff-1" 
changeId="removed-diff-1" next="last-diff" onclick="return 
tipR(constructToolTipR(this));"></span>
</body>
</html>

Original comment by jignesh....@gmail.com on 12 Aug 2013 at 11:39

GoogleCodeExporter commented 9 years ago
[deleted comment]
GoogleCodeExporter commented 9 years ago
This is what I get when I try to do the same in firefox.
File attache.

Original comment by jignesh....@gmail.com on 12 Aug 2013 at 1:56

Attachments:

GoogleCodeExporter commented 9 years ago
The link line is created in file htmlheader.xsl

There however it IS correctly closed.

<head>
        <xsl:apply-templates select="diffreport/css/node()"/>
        <link href="css/diff.css" type="text/css" rel="stylesheet"/>
      </head>

So perhaps this is not the whole problem...

Original comment by kkape...@gmail.com on 12 Aug 2013 at 5:21

GoogleCodeExporter commented 9 years ago
[deleted comment]
GoogleCodeExporter commented 9 years ago
Thanks for your reply. 
It should come the way you have mentioned. 
i.e. 
<link href="css/diff.css" type="text/css" rel="stylesheet"/>

but what I get is 
<link rel="stylesheet" type="text/css" href="css/diff.css">
there is no closing />
it only has >
and I guess because of that I am getting no end tag error.
Ok. I will look into what I have in htmlheader.xsl and will update the status.

Original comment by jignesh....@gmail.com on 12 Aug 2013 at 6:36

GoogleCodeExporter commented 9 years ago
Hi, I got it working in my case. but you might want to read whole comment. 
there is still issue with link tag.

how it is fixed: I thought my servletoutstream may be looking for content type 
application/xml so I set outputstream content type to text/html.
in HTML it's not compulsary to have end tag like </link> or />. but in XML it 
is. because of that reason I was getting this error. so I changed my content 
type to text/html and it worked.
response.setContentType("text/html; charset=utf-8");

However, I would like to specify that: despite I have <link href="css/diff.css" 
type="text/css" rel="stylesheet"/> with end tag in file htmlheader.xsl in 
daisydiff jar file, I always get output without end tag.
I have tried by all means: 1> hosted my two html files and then tried to 
generate difference by executing jar file from command prompt. 
2> run a standalone program to generate HTML difference 
3> uploaded daisydiff jar file in my maven repo. and used jar file in web 
application and generated output in in servletoutputstream but still I get link 
without end tag.

It's ok if someone is expecting html as output but if it's xml then it will 
throw the same error that I was getting.
You might want to check that.
By the way Thanks a lot for fantastic daisydiff project. It helps a lot to 
developers like us. Much Appreciated.

Original comment by jignesh....@gmail.com on 13 Aug 2013 at 8:38