[perl-xml-cvs] CVS: perl-xml-faq perl-xml-faq.xml,1.10,1.11

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Update of /cvsroot/perl-xml/perl-xml-faq
In directory sc8-pr-cvs1:/tmp/cvs-serv21331

Modified Files:
	perl-xml-faq.xml 
Log Message:
- de-emphasised XML::DOM and 'promoted' XML::LibXML

Index: perl-xml-faq.xml
===================================================================
RCS file: /cvsroot/perl-xml/perl-xml-faq/perl-xml-faq.xml,v
retrieving revision 1.10
retrieving revision 1.11
diff -u -d -r1.10 -r1.11

--- perl-xml-faq.xml	14 Oct 2003 09:13:47 -0000	1.10
+++ perl-xml-faq.xml	15 Oct 2003 09:43:34 -0000	1.11
@@ -442,8 +442,9 @@
       interfaces.  The stream interface is not SAX, so don't use it for any new
       code.  The tree interfaces are not a lot of fun to work with either.
       They're non-standard (no DOM support), not OO and offer no real API.  The
-      reason you want <classname>XML::Parser</classname> is because it provides
-      a solid base which is used by the modules you want to use.</para>
+      reason you might want <classname>XML::Parser</classname> is because it
+      provides a solid base which is used by other modules with better
+      APIs.</para>
 
       <para>Before you rush off and try to install
       <classname>XML::Parser</classname>, make sure that you haven't got it
@@ -462,88 +463,80 @@
     </answer>
   </qandaentry>
 
-  <qandaentry id="xml_dom">
+  <qandaentry id="xml_libxml">
     <question>
-      <para><classname>XML::DOM</classname></para>
+      <para><classname>XML::LibXML</classname></para>
     </question>
     <answer>
 
-      <para>Enno Derksen's <classname>XML::DOM</classname> implements the 
-      <ulink url="http://www.w3.org/TR/REC-DOM-Level-1/">W3C DOM Level 1</ulink>
-      tree structure and API (DOM Level 1 does not include namespace support). 
-      Although you can find nodes in the tree by tag name, you can't use XPath 
-      expressions.</para>
-
-      <para>The distribution includes
-      <classname>XML::DOM::ValParser</classname> which performs validation
-      while building the DOM tree.  It also includes
-      <classname>XML::Handler::BuildDOM</classname> which can build a DOM tree
-      from SAX (version 1) events.</para>
-
-      <para>TJ Mather is currently the maintainer of this package.</para>
+      <para><classname>XML::LibXML</classname> provides a Perl wrapper around
+      the GNOME Project's libxml2 library.  This module was originally written
+      by Matt Sergeant and is now actively maintained by Christian Glahn.  It
+      is very fast, complete and stable.  It can run in validating or
+      non-validating modes and offers a DOM with XPath support.  The DOM and
+      associated memory management is implemented in C which offers significant
+      performance advantages over DOM trees built from Perl datatypes.  The
+      <classname>XML::LibXML::SAX::Builder</classname> module allows a libxml2
+      DOM to be constructed from SAX events.
+      <classname>XML::LibXML::SAX</classname> is a SAX parser based on the
+      libxml2 library.</para>
 
     </answer>
   </qandaentry>
 
-  <qandaentry id="xml_simple">
+  <qandaentry id="xml_xpath">
     <question>
-      <para><classname>XML::Simple</classname></para>
+      <para><classname>XML::XPath</classname></para>
     </question>
     <answer>
 
-      <para>Grant McLean's <classname>XML::Simple</classname> was originally
-      designed for working with configuration files in XML format but it can be
-      used for more general purpose XML work too.  The 'simple tree' data
-      structure is nothing more than standard Perl hashrefs and arrays - there
-      is no API for finding or transforming nodes.  This module is also not
-      suitable for working with 'mixed content'.
-      <classname>XML::Simple</classname> has it's own <ulink
-      url="http://search.cpan.org/dist/XML-Simple/lib/XML/Simple/FAQ.pod">frequently asked
-      questions</ulink> document.</para>
-
-      <para>Although <classname>XML::Simple</classname> uses a tree-style, the
-      module also supports building the tree from SAX events or using a simple
-      Perl data structure to drive a SAX pipeline.</para>
+      <para>Matt Sergeant's <classname>XML::XPath</classname> module provides a
+      DOM implementation (in Perl) which supports XPath queries.  It can't
+      rival <classname>XML::LibXML::SAX</classname> for speed but it may be
+      easier to install - especially if you don't have a compiler.  Parsing XML
+      documents is performed by the expat library via
+      <classname>XML::Parser</classname>.  You can serialise the DOM to SAX
+      events.</para>
 
     </answer>
   </qandaentry>
 
-  <qandaentry id="xml_xpath">
+  <qandaentry id="xml_dom">
     <question>
-      <para><classname>XML::XPath</classname></para>
+      <para><classname>XML::DOM</classname></para>
     </question>
     <answer>
 
-      <para>Matt Sergeant's <classname>XML::XPath</classname> module provides a
-      DOM implementation (in Perl) which supports XPath queries.  Parsing XML
-      documents is performed by the expat library via
-      <classname>XML::Parser</classname>.  You can serialise the DOM to SAX
-      events.</para>
+      <para>Enno Derksen's <classname>XML::DOM</classname> implements the
+      <ulink url="http://www.w3.org/TR/REC-DOM-Level-1/">W3C DOM Level
+      1</ulink> tree structure and API.  It should not be your first choice of
+      DOM module however, since it lacks XPath and namespace support and it is
+      significantly slower than libxml.</para>
+
+      <para>TJ Mather is currently the maintainer of this package.</para>
 
     </answer>
   </qandaentry>
 
-  <qandaentry id="xml_libxml">
+  <qandaentry id="xml_simple">
     <question>
-      <para><classname>XML::LibXML</classname></para>
+      <para><classname>XML::Simple</classname></para>
     </question>
     <answer>
 
-      <para><classname>XML::LibXML</classname> provides a Perl wrapper around
-      the GNOME Project's libxml2 library.  This module was originally written
-      by Matt Sergeant and is now actively maintained by Christian Glahn.  It
-      is very fast, complete and stable.  It can run in validating or
-      non-validating modes and offers a DOM with XPath support.  The DOM and
-      associated memory management is implemented in C which offers significant
-      performance advantages over DOM trees built from Perl datatypes.  The
-      <classname>XML::LibXML::SAX::Builder</classname> module allows a libxml2
-      DOM to be constructed from SAX events.</para>
+      <para>Grant McLean's <classname>XML::Simple</classname> was originally
+      designed for working with configuration files in XML format but it can be
+      used for more general purpose XML work too.  The 'simple tree' data
+      structure is nothing more than standard Perl hashrefs and arrays - there
+      is no API for finding or transforming nodes.  This module is not suitable
+      for working with 'mixed content'.  <classname>XML::Simple</classname> has
+      it's own <ulink
+      url="http://search.cpan.org/dist/XML-Simple/lib/XML/Simple/FAQ.pod">frequently
+      asked questions</ulink> document.</para>
 
-      <para><classname>XML::LibXML</classname> can also generate SAX events but
-      this is implemented by parsing the complete document to a DOM tree and
-      then serialising the tree to SAX events.  This is still quick for
-      moderately sized documents but doesn't offer SAX's normal low memory
-      advantages for large documents.</para>
+      <para>Although <classname>XML::Simple</classname> uses a tree-style, the
+      module also supports building the tree from SAX events or using a simple
+      Perl data structure to drive a SAX pipeline.</para>
 
     </answer>
   </qandaentry>



