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RE: XML::Parser

by Adam (Vicar)
on Jun 20, 2000 at 23:38 UTC ( #19083=note: print w/replies, xml ) Need Help??

in reply to XML::Parser

I'm wondering about your example.
Your code snipit:
<part name="foo"> <part name="bar"/> <part name="bar2"/> </part>
is not valid xml. I know its psuedo-code, but it makes the sol'n confusing. Perhaps you meant:
<section name="foo"> <subsection name="bar"> <subsection name="baz"> </section>
Or something like that? Then you want
my $foo = new section( name => "foo" ; $foo->addSubsection( "bar" ); $foo->addSubsection( "baz" ); $foo->startSystem;

Replies are listed 'Best First'.
RE: RE: XML::Parser
by ivey (Beadle) on Jun 20, 2000 at 23:43 UTC the difference is that i don't want to define a name for each level...there may be many levels. so, i might have
    <section name="top"> <section name="chap1"/> <section name="chap2"> <section name="sub1"/> </section> <section name="chap3"/> <section name="chap4"> <section name="sub2"> <section name="table1"/> </section> </section> </section>
    my problem is, in the Handlers definition, how keep a relationship between my "current root section" (ie, the one to which i will be adding the next subsection) and the xml level?

    michael d. ivey,

      You can keep a stack of the current level where you are in the XML file. When you get a start tag, push the tag onto the stack; when you get to the end of that tag, pop the tag off the stack. You can use this to define a tree structure of sorts.

      Another option would be to use the "Tree" Style of XML::Parser. Read the docs for that.

      A final option, and a good one, is to use XML::Simple, which may work for you:

      use XML::Simple; XMLin("foo.xml");
      It loads the data into a tree structure, which may or may not work exactly how you want it.

      Or (finally again) you could look into some of the other tree-processing XML modules, like XML::DOM and XML::Twig. They may be overkill for your purposes, though.

      I didn't know you could do that. I've not done much with XML.

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