first version

tools/parser_sql/processors/ValuesProcessor.php

@@ -0,0 +1,79 @@
+<?php
+/**
+ * ValuesProcessor.php
+ *
+ * This file implements the processor for the VALUES statements.
+ *
+ * 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__) . '/../utils/ExpressionType.php');
+require_once(dirname(__FILE__) . '/RecordProcessor.php');
+require_once(dirname(__FILE__) . '/AbstractProcessor.php');
+
+/**
+ * 
+ * This class processes the VALUES statements.
+ * 
+ * @author arothe
+ * 
+ */
+class ValuesProcessor extends AbstractProcessor {
+
+    private $recordProcessor;
+
+    public function __construct() {
+        $this->recordProcessor = new RecordProcessor();
+    }
+
+    public function process($tokens) {
+        $unparsed = "";
+        foreach ($tokens['VALUES'] as $k => $v) {
+            if ($this->isWhitespaceToken($v)) {
+                continue;
+            }
+            $unparsed .= $v;
+        }
+
+        $values = $this->splitSQLIntoTokens($unparsed);
+
+        $parsed = array();
+        foreach ($values as $k => $v) {
+            if ($this->isCommaToken($v)) {
+                unset($values[$k]);
+            } else {
+                $processor = new RecordProcessor();
+                $values[$k] = array('expr_type' => ExpressionType::RECORD, 'base_expr' => $v,
+                                    'data' => $this->recordProcessor->process($v));
+            }
+        }
+
+        $tokens['VALUES'] = array_values($values);
+        return $tokens;
+    }
+
+}
+?>