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tools/parser_sql/processors/DefaultProcessor.php

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+<?php
+/**
+ * DefaultProcessor.php
+ *
+ * This file implements the processor the unparsed sql string given by the user.
+ *
+ * Copyright (c) 2010-2012, Justin Swanhart
+ * with contributions by André Rothe <arothe@phosco.info, phosco@gmx.de>
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *   * Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
+ * SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ */
+
+require_once(dirname(__FILE__) . '/AbstractProcessor.php');
+require_once(dirname(__FILE__) . '/UnionProcessor.php');
+require_once(dirname(__FILE__) . '/SQLProcessor.php');
+
+/**
+ * 
+ * This class processes the incoming sql string.
+ * 
+ * @author arothe
+ * 
+ */
+class DefaultProcessor extends AbstractProcessor {
+
+    public function process($sql) {
+
+        $inputArray = $this->splitSQLIntoTokens($sql);
+
+        // this is the highest level lexical analysis. This is the part of the
+        // code which finds UNION and UNION ALL query parts
+        $processor = new UnionProcessor();
+        $queries = $processor->process($inputArray);
+
+        // If there was no UNION or UNION ALL in the query, then the query is
+        // stored at $queries[0].
+        if (!$processor->isUnion($queries)) {
+            $processor = new SQLProcessor();
+            $queries = $processor->process($queries[0]);
+        }
+
+        return $queries;
+    }
+}
+?>