The very simplest repository browser you could imagine, as a WordPress plugin

wp-fdroid/readme.txt

@@ -0,0 +1,34 @@
+
+=== WP FDroid ===
+Contributors: CiaranG
+Tags: android, repository
+Requires at least: 2.9
+Tested up to: 2.9
+Stable tag: 0.1
+
+Provides the ability to browse the contents of an FDroid repository.
+
+== Description ==
+
+This plugin provides the ability to browse the contents of an FDroid
+repository. The repository browser can be inserted into the site by
+creating a page containing the 'fdroidrepo' shortcode.
+
+License: GPL v3
+
+== Installation ==
+
+1. Download and extract the zip file.
+2. Upload the plugin directory to /wp-content/plugins on your server.
+3. Go to the Plugins screen in your Wordpress Admin and activate it.
+
+== Frequently Asked Questions ==
+
+= Is this finished? =
+
+No it isn't. I'm working on it.
+
+== Screenshots ==
+
+1. There isn't one yet actually.
+

wp-fdroid/wp-fdroid.php

@@ -0,0 +1,161 @@
+<?php
+/*
+Plugin Name: WP FDroid
+Plugin URI: http://f-droid.org/repository
+Description: An FDroid repository browser
+Author: Ciaran Gultnieks
+Version: 0.01
+Author URI: http://ciarang.com
+
+Revision history
+0.01 - 2010-12-04: Initial development version
+
+*/
+
+class FDroid
+{
+
+	// Our text domain, for internationalisation
+	var $textdom='wp-fdroid';
+
+	// Constructor
+	function FDroid() {
+		// Add filters etc here!
+		add_shortcode('fdroidrepo',array($this, 'do_shortcode'));
+		add_filter('query_vars',array($this, 'queryvars'));
+		$this->inited=false;
+	}
+
+
+	// Register additional query variables. (Handler for the 'query_vars' filter)
+	function queryvars($qvars) {
+		$qvars[]='fdfilter';
+		$qvars[]='fdid';
+		$qvars[]='fdpage';
+		return $qvars;
+	}
+
+
+	// Lazy initialise. All non-trivial members should call this before doing anything else.
+	function lazyinit() {
+		if(!$this->inited) {
+			load_plugin_textdomain($this->textdom, PLUGINDIR.'/'.dirname(plugin_basename(__FILE__)), dirname(plugin_basename(__FILE__)));
+
+			$this->inited=true;
+		}
+	}
+
+	// Gets a required query parameter by name.
+	function getrequiredparam($name) {
+		global $wp_query;
+		if(!isset($wp_query->query_vars[$name]))
+			wp_die("Missing parameter ".$name,"Error");
+		return $wp_query->query_vars[$name];
+	}
+
+	// Make a link to this page, with the given query parameter string added
+	function makelink($params) {
+		$link=get_permalink();
+		if(strlen($params)==0)
+			return $link;
+		if(strpos($link,'?')===false)
+			$link.='?';
+		else
+			$link.='&';
+		$link.=$params;
+		return $link;
+	}
+
+	// Handler for the 'fdroidrepo' shortcode.
+	//  $attribs - shortcode attributes
+	//  $content - optional content enclosed between the starting and ending shortcode
+	// Returns the generated content.
+	function do_shortcode($attribs,$content=null) {
+		global $wp_query,$wp_rewrite;
+		$this->lazyinit();
+
+		$page=1;
+		if(isset($wp_query->query_vars['fdpage'])) {
+			$page=(int)$wp_query->query_vars['fdpage'];
+			if($page==0)
+				$page=1;
+		}
+
+		$filter=null;
+		if(isset($wp_query->query_vars['fdfilter']))
+			$filter=$wp_query->query_vars['fdfilter'];
+
+		$out=$this->get_apps($page,$filter);
+		return $out;
+
+	}
+
+
+
+	function get_apps($page,$filter=null) {
+
+		if($filter===null)
+			$out="<p>All applications";
+		else
+			$out="<p>Applications matching ".$filter;
+		$out.="</p>";
+
+		$perpage=10;
+		$skipped=0;
+		$got=0;
+		$total=0;
+
+		$xml = simplexml_load_file("/home/fdroid/public_html/repo/index.xml");
+		foreach($xml->children() as $app) {
+
+			foreach($app->children() as $el) {
+				switch($el->getName()) {
+					case "name":
+						$name=$el;
+						break;
+				}
+			}
+
+			if($filter===null || stristr($name,$filter)) {
+				if($skipped<($page-1)*$perpage) {
+					$skipped++;
+				} else if($got<$perpage) {
+					$out.="<p>".$name."</p>";
+					$got++;
+				}
+				$total++;
+			}
+
+		}
+
+		$numpages=ceil((float)$total/$perpage);
+
+		$out.='<p>';
+		if($page==1) {
+			$out.="&lt;&lt;first ";
+			$out.="&lt;prev ";
+		} else {
+			$out.='<a href="'.$this->makelink("fdpage=1").'">&lt;&lt;first</a> ';
+			$out.='<a href="'.$this->makelink("fdpage=".($page-1)).'">&lt;&lt;prev</a> ';
+		}
+		$out.=" Page $page of $numpages ";
+		if($page==$numpages) {
+			$out.="next&gt; ";
+			$out.="last&gt;&gt; ";
+		} else {
+			$out.='<a href="'.$this->makelink("fdpage=".($page+1)).'">next&gt;</a> ';
+			$out.='<a href="'.$this->makelink("fdpage=".$numpages).'">last&gt;&gt;</a> ';
+		}
+		$out.='</p>';
+
+		return $out;
+	}
+
+
+
+}
+
+$wp_fdroid = new FDroid();
+
+
+?>