hackernews.frontpage.xml

<?xml version="1.0" encoding="UTF-8"?>
<table xmlns="http://query.yahooapis.com/v1/schema/table.xsd">
    <meta>
        <sampleQuery>select * from {table};</sampleQuery>
        <author>Tom Hughes-Croucher (@sh1mmer, croucher@yahoo-inc.com)</author>
    </meta>
    <bindings>
        <select itemPath="stories.story" produces="XML">
            <urls>
                <url>http://news.ycombinator.com/news</url>
            </urls>
            <inputs>
            </inputs>
            <execute><![CDATA[
                url = "http://news.ycombinator.com/news";
                page = y.query("select * from html where url='" + url + "'").results;
                table = page..table[2];
                rows = table..tr;
                
                output = <stories></stories>

                /*
                * iterate three TRs at a time 
                * each triplet represents one story
                * i is the title row, i+1 is the meta info, i+2 is a spacer
                */
                for(var i=0;i<90;i=i+3) {
                    titleRow = rows[i]
                    metaRow = rows[i+1]
                    
                    title = titleRow..td[2].a;
                    url = titleRow..td[2].a.@href;
                    submitter = metaRow..a[0]

                    score = /^\d+/.exec(metaRow..span[0].toString())[0]
                    
                    comments = /^\d+/.exec(metaRow..a[1].toString())
                    if(comments) {
                        comments = comments[0]
                    } else {
                        comments = 0;
                    }
                    
                    id = /\d+$/.exec(metaRow..a[1].@href.toString())[0]
                    
                    story = <story></story>
                    story.id = id;
                    story.title = title.toString();
                    story.url = url;
                    story.submitter = submitter.toString();
                    story.score = score;
                    story.comments = comments;
                    output.stories += story;
                }
                
                response.object = output;
            ]]></execute>
        </select> 
    </bindings>
</table>