Writing a transformation

[Juanjo Conti]

Hi there! I'm super new at enlive. I'm trying to write a transformation to convert a node of the form:

<div key=valuea-valueb><pre>text</pre></div>

to

<pre key=valueb>text</pre>

how can I do it?

Thanks in advance!

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[Christophe Grand]

Hi Juanjo,

Some more details required: is "valuea-" dropped? do you expect to have a single <pre> in this <div> or it may have siblings (including text/whitespace)?

Christophe

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[Juanjo Conti]

It will we only one pre per div.

Here is the real example. I want to convert this:

<div class="highlight highlight-source-clojure"><pre>(<span class="pl-k">def</span> <span class="pl-e">js-engine</span> (<span class="pl-en">atom</span> <span class="pl-c1">nil</span>))

(<span class="pl-en">reset!</span> js-engine (<span class="pl-en">prerenderer/run</span> {<span class="pl-c1">:path</span> <span class="pl-s"><span class="pl-pds">"</span>target/js/server-side.js<span class="pl-pds">"</span></span>})))</pre></div>

to this:

<pre class="lang:clojure decode:true ">(def js-engine (atom nil))

(reset! js-engine (prerenderer/run {:path "target/js/server-side.js"})))</pre>

(note there are also some spans to strip out)

[Juanjo Conti]

I'm doing it like this:

(defn get-content
      [url] (html/at
              (html/select (fetch-url url) [:article :> :*])
              [:h1] nil                                     ; strip h1 from content
              [:p html/text-node] (fn [node] (newline-to-space node))
              [:div :pre :span] html/unwrap
              [:div :pre :code] html/unwrap
              [:div.highlight] html/unwrap
              [:pre] (html/add-class "lang:clojure" "decode:true")))

Any comments?