Command to update index mapping

lib/Alchemy/Phrasea/Command/SearchEngine/Debug/QuerySampleCommand.php

@@ -0,0 +1,69 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Command\SearchEngine\Debug;
+
+use Alchemy\Phrasea\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class QuerySampleCommand extends Command
+{
+    protected function configure()
+    {
+        $this
+            ->setName('searchengine:query:sample')
+            ->setDescription('Generate sample queries from grammar')
+        ;
+    }
+
+    protected function doExecute(InputInterface $input, OutputInterface $output)
+    {
+        $grammarPath = $this->container['query_parser.grammar_path'];
+        $output->writeln(sprintf('Generating sample queries from <comment>%s</comment>', $grammarPath));
+        $output->writeln(str_repeat('-', 20));
+
+        $parser = $this->container['query_parser'];
+
+        // UNIFORM
+
+        // $sampler = new \Hoa\Compiler\Llk\Sampler\Uniform(
+        //     $parser,
+        //     new \Hoa\Regex\Visitor\Isotropic(new \Hoa\Math\Sampler\Random()),
+        //     7
+        // );
+
+        // for($i = 0; $i < 10; ++$i) {
+        //     $output->writeln(sprintf('%d => %s', $i, $sampler->uniform()));
+        // }
+
+        // BOUNDED EXAUSTIVE
+
+        $sampler = new \Hoa\Compiler\Llk\Sampler\BoundedExhaustive(
+            $parser,
+            new \Hoa\Regex\Visitor\Isotropic(new \Hoa\Math\Sampler\Random()),
+            6
+        );
+
+        // COVERAGE
+
+        // $sampler = new \Hoa\Compiler\Llk\Sampler\Coverage(
+        //     $parser,
+        //     new \Hoa\Regex\Visitor\Isotropic(new \Hoa\Math\Sampler\Random())
+        // );
+
+        foreach($sampler as $i => $data) {
+            $output->writeln(sprintf('%d => %s', $i, $data));
+        }
+
+        $output->writeln(str_repeat('-', 20));
+    }
+}