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Editorial Team
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Asked: 2026-05-16T10:24:43+00:00

I’m parsing HTML with libxml2, using XPath to find elements. Once I found the

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I’m parsing HTML with libxml2, using XPath to find elements. Once I found the element I’m looking for, how can I get the HTML as a string from that element (keeping in mind that this element will have many child elements). Given a document:

<html>
    <header>
        <title>Some document</title>
    </header

    <body>
        <p id="faq">
            Some kind of text <a href="http://www.nowhere.com/">here</a>.
        </p>
    </body>
</html>

Say I retrieved the body element with XPath and then get the HTML for that, I’d like to end up with a string containing:

<body>
    <p id="faq">
        Some kind of text <a href="http://www.nowhere.com/">here</a>.
    </p>
</body>

How can I do this?

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1 Answer

  1. Editorial Team

    That is the purpose of xmlNodeDump:

    EDIT:

    When you have a xmlNodePtr node, do something like:

    xmlBufferPtr nodeBuffer = xmlBufferCreate();
xmlNodeDump(nodeBuffer, doc, node, 0, 1);
// ... Do something with nodeBuffer->content
// When done:
xmlBufferFree(nodeBuffer);

    The 4th and 5th parameters control indentation and formatting.

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