From: Ezra Zygmuntowicz <ezra@...>
Date: 2005-05-01T10:28:44+09:00
Subject: Re: [QUIZ] Barrel of Monkeys (#30)

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On Apr 29, 2005, at 7:27 PM, NAKAMURA, Hiroshi wrote:

> Hi all,
>
> Sorry for OT & advertising.
>
> Bill Guindon wrote:
>
>> On 4/29/05, Ruby Quiz <james@grayproductions.net> wrote:
>>
>>
>>> You can find an XML file with over 5,000 song names and play time at
>>> http://rubyquiz.com/SongLibrary.xml.gz (100k compressed). The  
>>> song durations are
>>> in milliseconds.
>>>
>>
>> Any suggestions for an easy to use XML library?  Or for that matter,
>> is it ok to convert it to another format?  Personally, I'd prefer CSV
>> or YAML (hate the extra baggage that comes with XML).
>>
>
> With the latest snapshot of soap4r, you can parse that like this;
>
>   0% irb
>   irb(main):001:0> require 'zlib'
>   => true
>   irb(main):002:0> gz =
> Zlib::GzipReader.new(File.open("SongLibrary.xml.gz"))
>   => #<Zlib::GzipReader:0x101d5458>
>   irb(main):003:0> require 'xsd/mapping'
>   => true
>   irb(main):004:0> library = XSD::Mapping.xml2obj(gz.read); nil
>   => nil
>   irb(main):005:0> library.Artist.size
>   => 1004
>   irb(main):006:0> library.Artist.find { |artist|  
> artist.xmlattr_name =
> "ABBA" }.Song.collect { |song| song.xmlattr_name }
>   => ["Caught Up In You", "Fantasy Girl", "Hold On Loosely", "Second
> Chance", "Teacher, Teacher", "Back Where You Belong", "The Sound of  
> Your
> Voice"]
>
> xml2obj generates singleton object for each XML element (It means you
> can't Marshal.dump it.  ).
>
> Regards,
> // NaHi
>

Hey I am t6rying to play with this xml2object method but when I do a  
require 'xsd/mapping'
it fails. What library is xsd/mapping ? Where do I get it or is it  
supposed top be in the core?

Thanks-
-Ezra


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