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PONamespace prefix and cdata tags in xml generation for rss feed in Ruby on Rails
 

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  1. PONamespace prefix and cdata tags in xml generation for rss feed in Ruby on Rails
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    <p>I need to generate an xml for a feed which looks roughly like this :-</p> <pre><code> &lt;?xml version="1.0" encoding="iso-8859-1" ?&gt; &lt;rss version="2.0" xmlns:g="http://base.google.com/ns/1.0" xmlns:atom="http://www.w3.org/2005/Atom"&gt; &lt;channel&gt; &lt;item&gt; &lt;g:id&gt;&lt;![CDATA[id]]&gt;&lt;/g:id&gt; &lt;title&gt;&lt;![CDATA[Product Name]]&gt;&lt;/title&gt; &lt;description&gt;&lt;![CDATA[This should be a relatively detailed description with as little formatting as possible.]]&gt;&lt;/description&gt; &lt;g:brand&gt;Brand X&lt;/g:brand&gt; &lt;g:sale_id&gt;new&lt;/g:sale_id&gt; &lt;/item&gt; &lt;item&gt; Next product... &lt;/item&gt; &lt;/channel&gt; &lt;/rss&gt; </code></pre> <p>My code currently looks something like this :-</p> <pre><code>xml=Builder::XmlMarkup.new(:indent =&gt; 3) xml.instruct! xml.rss("version" =&gt; "2.0" , "xmlns:g" =&gt; "http://base.google.com/ns/1.0" , "xmlns:atom" =&gt; "http://www.w3.org/2005/Atom"){ xml.channel{ # remove xml.namespace = xml.namespace_definitions.find{|ns|ns.prefix=="atom"} sale_products.each do |sp| sid = (products_info[sp.product_id]["sale_id"]).to_s() xml.item { #xml.id{ |xml| xml.cdata!(products_info[sp.product_id].own_id) } #xml.g :id,{ xml.cdata!("sdaf") } xml.product_title{ |xml| xml.cdata!(products_info[sp.product_id].name) } xml.description{ |xml| xml.cdata!(ActionController::Base.helpers.strip_tags(products_info[sp.product_id].description)) } xml.item { xml.brand { |xml| xml.cdata!(products_info[sp.product_id].designer_1) } xml.sale_id{ |xml| xml.cdata!(sid) } } } end } } </code></pre> <p>My problem is around getting both namespace prefixes and cdata tags working at the same time.</p> <pre><code>xml.g :id, "fdsafsad" </code></pre> <p>This gets the namesapce prefix.</p> <pre><code>xml.product_title{ |xml| xml.cdata!(products_info[sp.product_id].name) } </code></pre> <p>This gets cdata tags around the values.</p> <pre><code>xml.g :id,{ xml.cdata!("sdaf") } </code></pre> <p>This fails to do the trick.</p> <p>How do i get both the namespace prefix as well as the cdata tags working at the same time for the same tag. What am I doing wrong?</p> <p><strong>Edit</strong>:- The output that I am currently getting is like:- </p> <pre><code>&lt;g:id&gt; &lt;![CDATA[10005-0003]]&gt; &lt;/g:id&gt; </code></pre> <p>The output that I want should just have the value inside cdata tags (no newline etc) :-</p> <pre><code>&lt;g:id&gt;&lt;![CDATA[10005-0003]]&gt;&lt;/g:id&gt; </code></pre> <p>Note that I do not want to remove the :indent => 3 while creating the markup, so that other tags are formatted as required.</p>
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    1. USGyanendra Singh
    1. USGyanendra Singh
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    1. COCan you elaborate on the one that "fails to do the trick" - what does it in fact do? Is there an error? What output does it produce?
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      1. USLarsH
    2. COAlso, why do you have a comma after `:id`?
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    3. COyup, there's an error.
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      1. USGyanendra Singh
 

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