From: Bob Hutchison <hutch@...>
Date: 2006-08-01T21:50:21+09:00
Subject: Re: humanized Xml tree navigation

Hi,

On Jul 31, 2006, at 9:43 AM, NAKAMURA, Hiroshi wrote:
> 0% cat people.xml
> <people>
>   <person>
>     <name>name1</name>
>     <size>1</size>
>   </person>
>   <person>
>     <name>name2</name>
>     <size>2</size>
>   </person>
>   <person>
>     <name>name3</name>
>     <size>3</size>
>   </person>
> </people>
> 0% irb
> irb(main):001:0> require 'xsd/mapping'
> => true
> irb(main):002:0> people = XSD::Mapping.xml2obj(File.read 
> ("people.xml"))
> => #<SOAP::Mapping::Object:0x3592020
> {}person=[#<SOAP::Mapping::Object:0x3591ea0 {}name="name1" {} 
> size="1">,
> #<SOAP::Mapping::Object:0x3591684 {}name="name2" {}size="2">,
> #<SOAP::Mapping::Object:0x3590f7c {}name="name3" {}size="3">]>
> irb(main):003:0> people.person.each { |person| p person }
> #<SOAP::Mapping::Object:0x3591ea0 {}name="name1" {}size="1">
> #<SOAP::Mapping::Object:0x3591684 {}name="name2" {}size="2">
> #<SOAP::Mapping::Object:0x3590f7c {}name="name3" {}size="3">
> => [#<SOAP::Mapping::Object:0x3591ea0 {}name="name1" {}size="1">,
> #<SOAP::Mapping::Object:0x3591684 {}name="name2" {}size="2">,
> #<SOAP::Mapping::Object:0x3590f7c {}name="name3" {}size="3">]
> irb(main):004:0> people.person[2].name
> => "name3"
> irb(main):005:0> people.person.name
> NoMethodError: undefined method `name' for #<Array:0x6b22108>
>         from (irb):5
> irb(main):006:0>
>
> Almost.
>

Nice! I didn't know about this.

Loses child ordering though, mixed content, and the root element?

Both of the following lines:

puts XSD::Mapping.obj2xml(XSD::Mapping.xml2obj("<p><a/><b/><a/><b/></ 
p>"))
puts XSD::Mapping.obj2xml(XSD::Mapping.xml2obj("<p>1<a/>2<b/>3<a/>4<b/ 
 >5</p>"))

give the same output:

<?xml version="1.0" encoding="utf-8" ?>
<SOAP..Mapping..Object>
   <a>
   </a>
   <a>
   </a>
   <b>
   </b>
   <b>
   </b>
</SOAP..Mapping..Object>

Cheers,
Bob

----
Bob Hutchison                  -- blogs at <http://www.recursive.ca/ 
hutch/>
Recursive Design Inc.          -- <http://www.recursive.ca/>
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