initial working version

supports grammar discovery, schema discovery and search

tests/DummyBackend.php

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+<?php
+/**
+ * @copyright Copyright (c) 2017 Robin Appelman <robin@icewind.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace SearchDAV\Test;
+
+
+use Sabre\DAV\INode;
+use Sabre\DAV\SimpleFile;
+use SearchDAV\Backend\ISearchBackend;
+use SearchDAV\Backend\SearchResult;
+use SearchDAV\XML\BasicSearch;
+use SearchDAV\Backend\SearchPropertyDefinition;
+
+class DummyBackend implements ISearchBackend {
+	public function getArbiterPath() {
+		return '';
+	}
+
+	public function isValidScope($href, $depth) {
+		return true;
+	}
+
+	public function getPropertyDefinitionsForScope($href) {
+		return [
+			new SearchPropertyDefinition('{DAV:}getcontentlength', true, true, true, SearchPropertyDefinition::DATATYPE_NONNEGATIVE_INTEGER),
+			new SearchPropertyDefinition('{DAV:}getcontenttype', true, true, true),
+			new SearchPropertyDefinition('{DAV:}displayname', true, true, true),
+			new SearchPropertyDefinition('{http://ns.nextcloud.com:}fileid', false, true, true, SearchPropertyDefinition::DATATYPE_NONNEGATIVE_INTEGER),
+		];
+	}
+
+	public function search(INode $searchNode, BasicSearch $query) {
+		return [
+			new SearchResult(new SimpleFile('foo.txt', 'foobar', 'text/plain'), '/bar/foo.txt')
+		];
+	}
+}

tests/basicquery.xml

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+<?xml version="1.0"?>
+<d:searchrequest xmlns:d="DAV:">
+	<d:basicsearch>
+		<d:select>
+			<d:prop>
+				<d:getcontentlength/>
+			</d:prop>
+		</d:select>
+		<d:from>
+			<d:scope>
+				<d:href>/container1/</d:href>
+				<d:depth>infinity</d:depth>
+			</d:scope>
+		</d:from>
+		<d:where>
+			<d:gt>
+				<d:prop>
+					<d:getcontentlength/>
+				</d:prop>
+				<d:literal>10000</d:literal>
+			</d:gt>
+		</d:where>
+		<d:orderby>
+			<d:order>
+				<d:prop>
+					<d:getcontentlength/>
+				</d:prop>
+				<d:ascending/>
+			</d:order>
+		</d:orderby>
+	</d:basicsearch>
+</d:searchrequest>

tests/test.php

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+<?php
+
+require_once '../vendor/autoload.php';
+
+$parser = new \SearchDAV\DAV\QueryParser();
+
+$body = file_get_contents('./basicquery.xml');
+
+var_dump($parser->parse($body)['{DAV:}basicsearch']);

tests/testserver.php

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+<?php
+
+require_once __DIR__ . '/../vendor/autoload.php';
+
+$server = new \Sabre\DAV\Server();
+$server->addPlugin(new \SearchDAV\DAV\SearchPlugin(new \SearchDAV\Test\DummyBackend()));
+
+$server->exec();