Initial commit

html2pdf-master/src/Debug/Debug.php

@@ -0,0 +1,143 @@
+<?php
+/**
+ * Html2Pdf Library
+ *
+ * HTML => PDF converter
+ * distributed under the OSL-3.0 License
+ *
+ * @package   Html2pdf
+ * @author    Laurent MINGUET <webmaster@html2pdf.fr>
+ * @copyright 2017 Laurent MINGUET
+ */
+
+namespace Spipu\Html2Pdf\Debug;
+
+/**
+ * Class Debug
+ */
+class Debug implements DebugInterface
+{
+    /**
+     * @var float
+     */
+    protected $startTime;
+
+    /**
+     * @var float
+     */
+    protected $lastTime;
+
+    /**
+     * @var int
+     */
+    protected $level = 0;
+
+    /**
+     * @var bool
+     */
+    protected $htmlOutput;
+
+    /**
+     * Debug constructor
+     *
+     * @param bool $htmlOutput
+     */
+    public function __construct($htmlOutput = true)
+    {
+        $this->htmlOutput = $htmlOutput;
+    }
+
+    /**
+     * display a debug line
+     *
+     * @param  string $name
+     * @param  string $timeTotal
+     * @param  string $timeStep
+     * @param  string $memoryUsage
+     * @param  string $memoryPeak
+     *
+     * @return void
+     */
+    protected function displayLine($name, $timeTotal, $timeStep, $memoryUsage, $memoryPeak)
+    {
+        $output =
+            str_pad($name, 30, ' ', STR_PAD_RIGHT).
+            str_pad($timeTotal, 12, ' ', STR_PAD_LEFT).
+            str_pad($timeStep, 12, ' ', STR_PAD_LEFT).
+            str_pad($memoryUsage, 15, ' ', STR_PAD_LEFT).
+            str_pad($memoryPeak, 15, ' ', STR_PAD_LEFT);
+
+        if ($this->htmlOutput) {
+            $output = '<pre style="padding:0; margin:0">'.$output.'</pre>';
+        }
+
+        echo $output."\n";
+    }
+
+    /**
+     * Start the debugger
+     *
+     * @return Debug
+     */
+    public function start()
+    {
+        $time = microtime(true);
+
+        $this->startTime = $time;
+        $this->lastTime = $time;
+
+        $this->displayLine('step', 'time', 'delta', 'memory', 'peak');
+        $this->addStep('Init debug');
+
+        return $this;
+    }
+
+    /**
+     * stop the debugger
+     *
+     * @return Debug
+     */
+    public function stop()
+    {
+        $this->addStep('Before output');
+        return $this;
+    }
+
+    /**
+     * add a debug step
+     *
+     * @param  string  $name step name
+     * @param  boolean $level (true=up, false=down, null=nothing to do)
+     *
+     * @return Debug
+     */
+    public function addStep($name, $level = null)
+    {
+        // if true : UP
+        if ($level === true) {
+            $this->level++;
+        }
+
+        $time  = microtime(true);
+        $usage = memory_get_usage();
+        $peak  = memory_get_peak_usage();
+        $type  = ($level === true ? ' Begin' : ($level === false ? ' End' : ''));
+
+        $this->displayLine(
+            str_repeat('  ', $this->level) . $name . $type,
+            number_format(($time - $this->startTime)*1000, 1, '.', ' ').' ms',
+            number_format(($time - $this->lastTime)*1000, 1, '.', ' ').' ms',
+            number_format($usage/1024, 1, '.', ' ').' Ko',
+            number_format($peak/1024, 1, '.', ' ').' Ko'
+        );
+
+        $this->lastTime = $time;
+
+        // it false : DOWN
+        if ($level === false) {
+            $this->level--;
+        }
+
+        return $this;
+    }
+}