Re: [Htmlparser-developer] Re: [Htmlparser-user] HTML parser 1.1
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Re: [Htmlparser-developer] Re: [Htmlparser-user] HTML parser 1.1
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From: Somik R. <so...@ya...> - 2002-04-12 03:00:50
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Hi Raghav
You are right. That is indeed a bug. I have written a test case for it,
captured it, and fixed it.
Code is checked into CVS - it should work for you now.
Regards,
Somik
----- Original Message -----
From: "Raghavender Srimantula" <kin...@ho...>
To: <so...@ya...>; <htm...@li...>
Sent: Friday, April 12, 2002 6:12 AM
Subject: [Htmlparser-developer] Re: [Htmlparser-user] HTML parser 1.1
> hi Somik,
> the code snippet you mailed me seems to have some problems.
> let me explain you. the method
> isXMLTagFound(node,"OPTION")
> would always return false. the reason: in the definition of the above
method
> we have
>
> if (node instanceof HTMLTag) {
> System.out.println("node instanceof HTMLTag in tagscanner ");
> HTMLTag tag = (HTMLTag)node;
> if (tag.getText().equals(tagName)) {
> xmlTagFound=true;
> }
> }
>
> tag.getText() would always give me
> OPTION value="#">Select a destination
>
> which is not equal to the tagName, in this case the tagName=OPTION.
>
> Raghav
>
>
> >From: "Somik Raha" <so...@ya...>
> >To: "Raghavender Srimantula" <kin...@ho...>,
> ><htm...@li...>
> >Subject: Re: [Htmlparser-user] HTML parser 1.1
> >Date: Thu, 11 Apr 2002 11:14:51 +0900
> >
> >Hi Raghav
> > I replied to your earlier query. Did you recieve the mail (I
forwarded
> >it again) ?
> > Regarding your current query, there are two ways to handle option
> >tags.
> >
> >[1] Like in the previous question, you will have to recognize a HTMLTag
> >(begin tag), followed by HTMLStringNode, and finally HTMLEndTag.
> >[2] To make life easier, since this tag is basic xml, you can use a
special
> >XML parsing method provided in the superclass HTMLTagScanner.
> >
> >The methods are :
> >(i) isXMLTagFound
> >(ii) extractXMLData
> >
> >both of them are static mehods.
> >You would use it like this :
> >
> >HTMLNode node = reader.readElement();
> >if (isXMLTag(node,"OPTION")) {
> > String option = extractXMLData(node,"OPTION",reader);
> > // The string now contains the data within the option xml tag
> > // So given an input : <OPTION value="#">Select a
destination</OPTION>
> > // option will hold "Select a destination"
> >}
> >
> >But getting the value from the option tag itself would need to be handled
> >seperately.
> >
> >Regards,
> >Somik
> >----- Original Message -----
> >From: "Raghavender Srimantula" <kin...@ho...>
> >To: <so...@ya...>; <htm...@li...>
> >Sent: Thursday, April 11, 2002 9:22 AM
> >Subject: Re: [Htmlparser-user] HTML parser 1.1
> >
> >
> > > hi Somik,
> > > any ideas about my previous mail. let us say if we have
> > > <OPTION value="#">Select a destination</OPTION>
> > > when I do a
> > > node = reader.readElement();
> > > where "reader" is HTMLReader
> > > the node I get is of type neither HTMLStringNode, HTMLEndTag,
> > > HTMLRemarkNode.
> > > how do I classify this if I want to do some thing with them.
> > > Raghav
> > >
> > > >From: "Somik Raha" <so...@ya...>
> > > >To: "Raghavender Srimantula" <kin...@ho...>
> > > >CC: <htm...@li...>
> > > >Subject: Re: [Htmlparser-user] HTML parser 1.1
> > > >Date: Mon, 8 Apr 2002 13:04:07 +0900
> > > >
> > > >Hi Raghav
> > > > > when would be this HTMLparser 1.1 out?
> > > >As soon as I can wrap it up. Technically, the code is ready and
already
> > > >checked into CVS. I need to do the process of creating a release -
make
> > > >some
> > > >documentation, check everything is ok, ..
> > > >If I had some help I could wrap it up sooner.
> > > >
> > > > > I am not sure, but to me the way htmlparser parses is it gives me
> >the
> > > >tag
> > > > > parameter of the first line in the above snippet of html code,
when
> >I
> >do
> > > > > Hashtable table = tag.parseParameters();
> > > > > it is looking for parameters inside <FORM ..... >, but not <FORM
> > > > > .....</FORM>
> > > >
> > > >Yes - parseParameters() will give you the stuff inside the FORM tag.
> >That
> > > >is
> > > >what I call "microscopic" parsing. But to get the remaining tags -
till
> >you
> > > >encounter </FORM> you need to do "macroscopic" parsing. This is not
> >hard-
> > > >check HTMLAppletScanner as an example.
> > > >
> > > >In a nutshell - concept is very simple. The scan method provides you
> >with
> >a
> > > >reader. So you are to use that reader to read ahead and get the next
> >tags.
> > > >This is simple bcos the reader will automatically identify the
correct
> > > >tags,
> > > >and the mechanism is very similar to using the parser to get the tags
> >you
> > > >want. The HTMLLinkScanner among others, also works on the same
> >principle.
> > > >
> > > >Bytway - I think we should take this discussion to the Developer
list.
> > > >
> > > >Regards,
> > > >Somik
> > > >----- Original Message -----
> > > >From: "Raghavender Srimantula" <kin...@ho...>
> > > >To: <htm...@li...>
> > > >Sent: Monday, April 08, 2002 6:39 AM
> > > >Subject: [Htmlparser-user] HTML parser 1.1
> > > >
> > > >
> > > > > Hi Somik,
> > > > > when would be this HTMLparser 1.1 out?
> > > > > one more question. to parse the FORM tags, I have a small
question.
> > > > > let us say this is a form tag
> > > > >
> > > > > <FORM NAME="LoginForm" METHOD=POST ACTION="urltoInvoke">
> > > > > <P>User name:
> > > > > <INPUT TYPE="text" NAME="userName" SIZE="10">
> > > > > <P>Password:
> > > > > <INPUT TYPE="password" NAME="password" SIZE="12">
> > > > > <P><INPUT TYPE="submit" VALUE="Log in">
> > > > > <INPUT TYPE="button" VALUE="Cancel" onClick="window.close()">
> > > > > </FORM>
> > > > >
> > > > > I am not sure, but to me the way htmlparser parses is it gives me
> >the
> > > >tag
> > > > > parameter of the first line in the above snippet of html code,
when
> >I
> >do
> > > > > Hashtable table = tag.parseParameters();
> > > > > it is looking for parameters inside <FORM ..... >, but not <FORM
> > > > > .....</FORM>
> > > > >
> > > > > could you suggest me how to go ahead with this.
> > > > > Raghav
> > > > >
> > > > >
> > > > > to extract the INPUT tag parameters
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >
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