From b59ab2490b1bb82dc1d0b58d89584182b405d0a0 Mon Sep 17 00:00:00 2001
From: xue <>
Date: Mon, 19 Jun 2006 02:31:27 +0000
Subject: build script update. Fixed #82 and #165.

---
 buildscripts/Benchmark/Timer.php | 319 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 319 insertions(+)
 create mode 100644 buildscripts/Benchmark/Timer.php

(limited to 'buildscripts/Benchmark/Timer.php')

diff --git a/buildscripts/Benchmark/Timer.php b/buildscripts/Benchmark/Timer.php
new file mode 100644
index 00000000..d713e6b2
--- /dev/null
+++ b/buildscripts/Benchmark/Timer.php
@@ -0,0 +1,319 @@
+<?php
+//
+// +------------------------------------------------------------------------+
+// | PEAR :: Benchmark                                                      |
+// +------------------------------------------------------------------------+
+// | Copyright (c) 2001-2006 Sebastian Bergmann <sb@sebastian-bergmann.de>. |
+// +------------------------------------------------------------------------+
+// | This source file is subject to the New BSD license, That is bundled    |
+// | with this package in the file LICENSE, and is available through        |
+// | the world-wide-web at                                                  |
+// | http://www.opensource.org/licenses/bsd-license.php                     |
+// | If you did not receive a copy of the new BSDlicense and are unable     |
+// | to obtain it through the world-wide-web, please send a note to         |
+// | license@php.net so we can mail you a copy immediately.                 |
+// +------------------------------------------------------------------------+
+//
+// $Id: Timer.php,v 1.16 2006/03/01 13:41:39 matthias Exp $
+//
+
+require_once 'PEAR.php';
+
+/**
+ * Provides timing and profiling information.
+ *
+ * Example 1: Automatic profiling start, stop, and output.
+ *
+ * <code>
+ * <?php
+ * require_once 'Benchmark/Timer.php';
+ *
+ * $timer = new Benchmark_Timer(TRUE);
+ * $timer->setMarker('Marker 1');
+ * ?>
+ * </code>
+ *
+ * Example 2: Manual profiling start, stop, and output.
+ *
+ * <code>
+ * <?php
+ * require_once 'Benchmark/Timer.php';
+ *
+ * $timer = new Benchmark_Timer();
+ * $timer->start();
+ * $timer->setMarker('Marker 1');
+ * $timer->stop();
+ *
+ * $timer->display(); // to output html formated
+ * // AND/OR :
+ * $profiling = $timer->getProfiling(); // get the profiler info as an associative array
+ * ?>
+ * </code>
+ *
+ * @author    Sebastian Bergmann <sb@sebastian-bergmann.de>
+ * @author    Ludovico Magnocavallo <ludo@sumatrasolutions.com>
+ * @copyright Copyright &copy; 2002-2005 Sebastian Bergmann <sb@sebastian-bergmann.de>
+ * @license   http://www.php.net/license/3_0.txt The PHP License, Version 3.0
+ * @category  Benchmarking
+ * @package   Benchmark
+ */
+class Benchmark_Timer extends PEAR {
+    /**
+     * Contains the markers.
+     *
+     * @var    array
+     * @access private
+     */
+    var $markers = array();
+
+    /**
+     * Auto-start and stop timer.
+     *
+     * @var    boolean
+     * @access private
+     */
+    var $auto = FALSE;
+
+    /**
+     * Max marker name length for non-html output.
+     *
+     * @var    integer
+     * @access private
+     */
+    var $maxStringLength = 0;
+
+    /**
+     * Constructor.
+     *
+     * @param  boolean $auto
+     * @access public
+     */
+    function Benchmark_Timer($auto = FALSE) {
+        $this->auto = $auto;
+
+        if ($this->auto) {
+            $this->start();
+        }
+
+        $this->PEAR();
+    }
+
+    /**
+     * Destructor.
+     *
+     * @access private
+     */
+    function _Benchmark_Timer() {
+        if ($this->auto) {
+            $this->stop();
+            $this->display();
+        }
+    }
+
+    /**
+     * Set "Start" marker.
+     *
+     * @see    setMarker(), stop()
+     * @access public
+     */
+    function start() {
+        $this->setMarker('Start');
+    }
+
+    /**
+     * Set "Stop" marker.
+     *
+     * @see    setMarker(), start()
+     * @access public
+     */
+    function stop() {
+        $this->setMarker('Stop');
+    }
+
+    /**
+     * Set marker.
+     *
+     * @param  string  $name Name of the marker to be set.
+     * @see    start(), stop()
+     * @access public
+     */
+    function setMarker($name) {
+        $this->markers[$name] = $this->_getMicrotime();
+    }
+
+    /**
+     * Returns the time elapsed betweens two markers.
+     *
+     * @param  string  $start        start marker, defaults to "Start"
+     * @param  string  $end          end marker, defaults to "Stop"
+     * @return double  $time_elapsed time elapsed between $start and $end
+     * @access public
+     */
+    function timeElapsed($start = 'Start', $end = 'Stop') {
+        if ($end == 'Stop' && !isset($this->markers['Stop'])) {
+            $this->markers['Stop'] = $this->_getMicrotime();
+        }
+
+        if (extension_loaded('bcmath')) {
+            return bcsub($this->markers[$end], $this->markers[$start], 6);
+        } else {
+            return $this->markers[$end] - $this->markers[$start];
+        }
+    }
+
+    /**
+     * Returns profiling information.
+     *
+     * $profiling[x]['name']  = name of marker x
+     * $profiling[x]['time']  = time index of marker x
+     * $profiling[x]['diff']  = execution time from marker x-1 to this marker x
+     * $profiling[x]['total'] = total execution time up to marker x
+     *
+     * @return array
+     * @access public
+     */
+    function getProfiling() {
+        $i = $total = 0;
+        $result = array();
+        $temp = reset($this->markers);
+        $this->maxStringLength = 0;
+
+        foreach ($this->markers as $marker => $time) {
+            if (extension_loaded('bcmath')) {
+                $diff  = bcsub($time, $temp, 6);
+                $total = bcadd($total, $diff, 6);
+            } else {
+                $diff  = $time - $temp;
+                $total = $total + $diff;
+            }
+
+            $result[$i]['name']  = $marker;
+            $result[$i]['time']  = $time;
+            $result[$i]['diff']  = $diff;
+            $result[$i]['total'] = $total;
+
+            $this->maxStringLength = (strlen($marker) > $this->maxStringLength ? strlen($marker) + 1 : $this->maxStringLength);
+
+            $temp = $time;
+            $i++;
+        }
+
+        $result[0]['diff'] = '-';
+        $result[0]['total'] = '-';
+        $this->maxStringLength = (strlen('total') > $this->maxStringLength ? strlen('total') : $this->maxStringLength);
+        $this->maxStringLength += 2;
+
+        return $result;
+    }
+
+    /**
+     * Return formatted profiling information.
+     *
+     * @param  boolean  $showTotal   Optionnaly includes total in output, default no
+     * @param  string  $format   output format (auto, plain or html), default auto
+     * @return string
+     * @see    getProfiling()
+     * @access public
+     */
+    function getOutput($showTotal = FALSE, $format = 'auto') {
+        if ($format == 'auto') {
+            if (function_exists('version_compare') &&
+                version_compare(phpversion(), '4.1', 'ge'))
+            {
+                $format = isset($_SERVER['SERVER_PROTOCOL']) ? 'html' : 'plain';
+            } else {
+                global $HTTP_SERVER_VARS;
+                $format = isset($HTTP_SERVER_VARS['SERVER_PROTOCOL']) ? 'html' : 'plain';
+	    }
+        }
+
+        $total  = $this->TimeElapsed();
+        $result = $this->getProfiling();
+        $dashes = '';
+
+        if ($format == 'html') {
+            $out = '<table border="1">'."\n";
+            $out .= '<tr><td>&nbsp;</td><td align="center"><b>time index</b></td><td align="center"><b>ex time</b></td><td align="center"><b>%</b></td>'.
+            ($showTotal ?
+              '<td align="center"><b>elapsed</b></td><td align="center"><b>%</b></td>'
+               : '')."</tr>\n";
+        } else {
+            $dashes = $out = str_pad("\n",
+                $this->maxStringLength + ($showTotal ? 70 : 45), '-', STR_PAD_LEFT);
+            $out .= str_pad('marker', $this->maxStringLength) .
+                    str_pad("time index", 22) .
+                    str_pad("ex time", 16) .
+                    str_pad("perct ", 8) .
+                    ($showTotal ? ' '.str_pad("elapsed", 16)."perct" : '')."\n" .
+                    $dashes;
+        }
+
+        foreach ($result as $k => $v) {
+            $perc = (($v['diff'] * 100) / $total);
+            $tperc = (($v['total'] * 100) / $total);
+
+            if ($format == 'html') {
+                $out .= "<tr><td><b>" . $v['name'] .
+                       "</b></td><td>" . $v['time'] .
+                       "</td><td>" . $v['diff'] .
+                       "</td><td align=\"right\">" . number_format($perc, 2, '.', '') .
+                       "%</td>".
+                       ($showTotal ?
+                            "<td>" . $v['total'] .
+                            "</td><td align=\"right\">" .
+                            number_format($tperc, 2, '.', '') .
+                            "%</td>" : '').
+                       "</tr>\n";
+            } else {
+                $out .= str_pad($v['name'], $this->maxStringLength, ' ') .
+                        str_pad($v['time'], 22) .
+                        str_pad($v['diff'], 14) .
+                        str_pad(number_format($perc, 2, '.', '')."%",8, ' ', STR_PAD_LEFT) .
+                        ($showTotal ? '   '.
+                            str_pad($v['total'], 14) .
+                            str_pad(number_format($tperc, 2, '.', '')."%",
+                                             8, ' ', STR_PAD_LEFT) : '').
+                        "\n";
+            }
+
+            $out .= $dashes;
+        }
+
+        if ($format == 'html') {
+            $out .= "<tr style='background: silver;'><td><b>total</b></td><td>-</td><td>${total}</td><td>100.00%</td>".($showTotal ? "<td>-</td><td>-</td>" : "")."</tr>\n";
+            $out .= "</table>\n";
+        } else {
+            $out .= str_pad('total', $this->maxStringLength);
+            $out .= str_pad('-', 22);
+            $out .= str_pad($total, 15);
+            $out .= "100.00%\n";
+            $out .= $dashes;
+        }
+
+        return $out;
+    }
+
+    /**
+     * Prints the information returned by getOutput().
+     *
+     * @param  boolean  $showTotal   Optionnaly includes total in output, default no
+     * @param  string  $format   output format (auto, plain or html), default auto
+     * @see    getOutput()
+     * @access public
+     */
+    function display($showTotal = FALSE, $format = 'auto') {
+        print $this->getOutput($showTotal, $format);
+    }
+
+    /**
+     * Wrapper for microtime().
+     *
+     * @return float
+     * @access private
+     * @since  1.3.0
+     */
+    function _getMicrotime() {
+        $microtime = explode(' ', microtime());
+        return $microtime[1] . substr($microtime[0], 1);
+    }
+}
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