277 lines
9.7 KiB
PHP
277 lines
9.7 KiB
PHP
<?php
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/**
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* COPS (Calibre OPDS PHP Server) class file
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*
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* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
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* @author Sébastien Lucas <sebastien@slucas.fr>
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*/
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class Link
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{
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public $href;
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public $type;
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public $rel;
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public $title;
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public function __construct($phref, $ptype, $prel = NULL, $ptitle = NULL) {
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$this->href = $phref;
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$this->type = $ptype;
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$this->rel = $prel;
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$this->title = $ptitle;
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}
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public function render ($xml) {
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$xml->startElement ("link");
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$xml->writeAttribute ("href", $this->href);
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$xml->writeAttribute ("type", $this->type);
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if (!is_null ($this->rel)) {
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$xml->writeAttribute ("rel", $this->rel);
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}
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if (!is_null ($this->title)) {
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$xml->writeAttribute ("title", $this->title);
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}
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$xml->endElement ();
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}
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}
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class LinkNavigation extends Link
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{
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const OPDS_NAVIGATION_TYPE = "application/atom+xml;profile=opds-catalog;kind=navigation";
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public function __construct($phref, $prel = NULL, $ptitle = NULL) {
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parent::__construct ($phref, self::OPDS_NAVIGATION_TYPE, $prel, $ptitle);
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}
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}
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class Entry
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{
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public $title;
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public $id;
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public $content;
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public $contentType;
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public $linkArray;
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public $localUpdated;
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private static $updated = NULL;
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public function getUpdatedTime () {
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if (!is_null ($this->localUpdated)) {
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return date (DATE_ATOM, $this->localUpdated);
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}
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if (is_null (self::$updated)) {
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self::$updated = time();
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}
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return date (DATE_ATOM, self::$updated);
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}
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public function __construct($ptitle, $pid, $pcontent, $pcontentType, $plinkArray) {
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$this->title = $ptitle;
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$this->id = $pid;
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$this->content = $pcontent;
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$this->contentType = $pcontentType;
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$this->linkArray = $plinkArray;
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}
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public function renderContent ($xml) {
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$xml->startElement ("title");
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$xml->text ($this->title);
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$xml->endElement ();
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$xml->startElement ("updated");
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$xml->text (self::getUpdatedTime ());
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$xml->endElement ();
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$xml->startElement ("id");
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$xml->text ($this->id);
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$xml->endElement ();
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$xml->startElement ("content");
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$xml->writeAttribute ("type", $this->contentType);
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if ($this->contentType == "text") {
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$xml->text ($this->content);
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} else {
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$xml->writeRaw ($this->content);
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}
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$xml->endElement ();
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foreach ($this->linkArray as $link) {
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$link->render ($xml);
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}
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}
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public function render ($xml) {
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$xml->startElement ("entry");
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self::renderContent ($xml);
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$xml->endElement ();
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}
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}
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class EntryBook extends Entry
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{
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public $book;
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public function __construct($ptitle, $pid, $pcontent, $pcontentType, $plinkArray, $pbook) {
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parent::__construct ($ptitle, $pid, $pcontent, $pcontentType, $plinkArray);
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$this->book = $pbook;
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$this->localUpdated = $pbook->timestamp;
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}
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public function renderContent ($xml) {
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parent::renderContent ($xml);
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foreach ($this->book->getAuthors () as $author) {
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$xml->startElement ("author");
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$xml->startElement ("name");
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$xml->text ($author->name);
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$xml->endElement ();
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$xml->startElement ("uri");
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$xml->text ($author->getUri ());
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$xml->endElement ();
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$xml->endElement ();
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}
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foreach ($this->book->getTags () as $category) {
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$xml->startElement ("category");
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$xml->writeAttribute ("term", $category);
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$xml->writeAttribute ("label", $category);
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$xml->endElement ();
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}
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if (!is_null ($this->book->pubdate)) {
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$xml->startElement ("dcterms:issued");
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$xml->text (date ("Y-m-d", $this->book->pubdate));
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$xml->endElement ();
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}
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}
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/* Polymorphism is strange with PHP */
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public function render ($xml) {
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$xml->startElement ("entry");
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self::renderContent ($xml);
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$xml->endElement ();
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}
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}
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abstract class Base
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{
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const PAGE_INDEX = "index";
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const PAGE_ALL_AUTHORS = "1";
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const PAGE_AUTHORS_FIRST_LETTER = "2";
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const PAGE_AUTHOR_DETAIL = "3";
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const PAGE_ALL_BOOKS = "4";
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const PAGE_ALL_BOOKS_LETTER = "5";
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const PAGE_ALL_SERIES = "6";
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const PAGE_SERIE_DETAIL = "7";
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const PAGE_OPENSEARCH = "8";
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const PAGE_OPENSEARCH_QUERY = "9";
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const PAGE_ALL_RECENT_BOOKS = "10";
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const COMPATIBILITY_XML_ALDIKO = "aldiko";
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private static $db = NULL;
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private static $xmlStream = NULL;
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private static $updated = NULL;
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public static function getUpdatedTime () {
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if (is_null (self::$updated)) {
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self::$updated = time();
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}
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return date (DATE_ATOM, self::$updated);
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}
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public static function getDb () {
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global $config;
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if (is_null (self::$db)) {
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try {
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self::$db = new PDO('sqlite:'. $config['calibre_directory'] .'metadata.db');
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} catch (Exception $e) {
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echo $e;
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die($e);
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}
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}
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return self::$db;
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}
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public static function getXmlStream () {
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if (is_null (self::$xmlStream)) {
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self::$xmlStream = new XMLWriter();
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self::$xmlStream->openMemory();
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self::$xmlStream->setIndent (true);
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}
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return self::$xmlStream;
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}
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public static function getOpenSearch () {
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$xml = new XMLWriter ();
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$xml->openMemory ();
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$xml->setIndent (true);
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$xml->startDocument('1.0','UTF-8');
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$xml->startElement ("OpenSearchDescription");
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$xml->startElement ("ShortName");
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$xml->text ("My catalog");
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$xml->endElement ();
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$xml->startElement ("InputEncoding");
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$xml->text ("UTF-8");
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$xml->endElement ();
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$xml->startElement ("OutputEncoding");
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$xml->text ("UTF-8");
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$xml->endElement ();
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$xml->startElement ("Image");
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$xml->text ("favicon.ico");
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$xml->endElement ();
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$xml->startElement ("Url");
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$xml->writeAttribute ("type", 'application/atom+xml');
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$xml->writeAttribute ("template", 'feed.php?page=' . self::PAGE_OPENSEARCH_QUERY . '&query={searchTerms}');
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$xml->endElement ();
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$xml->endElement ();
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$xml->endDocument();
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return $xml->outputMemory(true);
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}
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public static function startXmlDocument ($title) {
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self::getXmlStream ()->startDocument('1.0','UTF-8');
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self::getXmlStream ()->startElement ("feed");
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self::getXmlStream ()->writeAttribute ("xmlns", "http://www.w3.org/2005/Atom");
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self::getXmlStream ()->writeAttribute ("xmlns:xhtml", "http://www.w3.org/1999/xhtml");
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self::getXmlStream ()->writeAttribute ("xmlns:opds", "http://opds-spec.org/2010/catalog");
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self::getXmlStream ()->writeAttribute ("xmlns:opensearch", "http://a9.com/-/spec/opensearch/1.1/");
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self::getXmlStream ()->writeAttribute ("xmlns:dcterms", "http://purl.org/dc/terms/");
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self::getXmlStream ()->startElement ("title");
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self::getXmlStream ()->text ($title);
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->startElement ("id");
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self::getXmlStream ()->text ($_SERVER['REQUEST_URI']);
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->startElement ("updated");
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self::getXmlStream ()->text (self::getUpdatedTime ());
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->startElement ("icon");
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self::getXmlStream ()->text ("favicon.ico");
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->startElement ("author");
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self::getXmlStream ()->startElement ("name");
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self::getXmlStream ()->text (utf8_encode ("Sébastien Lucas"));
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->startElement ("uri");
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self::getXmlStream ()->text ("http://blog.slucas.fr");
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->startElement ("email");
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self::getXmlStream ()->text ("sebastien@slucas.fr");
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->endElement ();
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$link = new LinkNavigation ("feed.php", "start", "Home");
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$link->render (self::getXmlStream ());
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$link = new LinkNavigation ($_SERVER['REQUEST_URI'], "self");
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$link->render (self::getXmlStream ());
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$link = new Link ("feed.php?page=" . self::PAGE_OPENSEARCH, "application/opensearchdescription+xml", "search", "Search here");
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$link->render (self::getXmlStream ());
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$link = new LinkNavigation ("feed.php?page=7&id=9", "http://opds-spec.org/shelf", "Biblio");
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$link->render (self::getXmlStream ());
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}
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public static function addEntryClass ($entry) {
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$entry->render (self::getXmlStream ());
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}
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public static function endXmlDocument () {
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->endDocument ();
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return self::getXmlStream ()->outputMemory(true);
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}
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}
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?>
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