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   1  <?php
   2      /*
   3      *  $Id$
   4      *  
   5      *  Copyright(c) 2004-2005, SpikeSource Inc. All Rights Reserved.
   6      *  Licensed under the Open Source License version 2.1
   7      *  (See http://www.spikesource.com/license.html)
   8      */
   9  ?>
  10  <?php
  11  
  12      /** 
  13      * Reader that parses Xdebug Trace data. 
  14      * 
  15      * @author Nimish Pachapurkar <npac@spikesource.com>
  16      * @version $Revision: $
  17      * @package tests_runner
  18      */
  19      class XdebugTraceReader {
  20          /*{{{ Members */
  21  
  22          protected $traceFilePath;
  23          protected $handle;
  24          protected $coverage = array();
  25  
  26          /*}}}*/
  27          /*{{{ Constructor */
  28  
  29          /** 
  30          * Constructor 
  31          * 
  32          * @param $traceFilePath Path of the Xdebug trace file
  33          * @access public
  34          */
  35          public function __construct($traceFilePath) {
  36              $this->traceFilePath = $traceFilePath;
  37          }
  38  
  39          /*}}}*/
  40          /*{{{ protected function openTraceFile() */
  41  
  42          /** 
  43          * Opens the trace file 
  44          * 
  45          * @return Boolean True on success, false on failure.
  46          * @access protected
  47          */
  48          protected function openTraceFile() {
  49              $this->handle = fopen($this->traceFilePath, "r");
  50              return !empty($this->handle);
  51          }
  52  
  53          /*}}}*/
  54          /*{{{ public function parseTraceFile() */
  55  
  56          /** 
  57          * Parses the trace file 
  58          * 
  59          * @return Boolean True on success, false on failure.
  60          * @access public
  61          */
  62          public function parseTraceFile() {
  63              if(!$this->openTraceFile()) {
  64                  error_log("[XdebugTraceReader::parseTraceFile()] Unable to read trace file.");
  65                  return false;
  66              }
  67              while(!feof($this->handle)) {
  68                  $line = fgets($this->handle);
  69                  // echo "Line: " . $line . "\n";
  70                  $this->processTraceLine($line);
  71              }
  72              fclose($this->handle);
  73              return true;
  74          }
  75  
  76          /*}}}*/
  77          /*{{{ protected function processTraceLine() */
  78  
  79          /** 
  80          * Process a give trace line 
  81          * 
  82          * @param $line Line from a trace file
  83          * @return Boolean True on success, false on failure
  84          * @access protected
  85          */
  86          protected function processTraceLine($line) {
  87              $dataparts = explode("\t", $line);
  88              // print_r($dataparts);
  89              $cnt = count($dataparts);
  90              if($cnt < 2) {
  91                  return false;
  92              }
  93              if(!file_exists($dataparts[$cnt-2])) {
  94                  // echo "No file: " . $dataparts[$cnt-2] . "\n";
  95                  return false;
  96              }
  97              // Trim the entries
  98              $dataparts[$cnt-2] = trim($dataparts[$cnt-2]);
  99              $dataparts[$cnt-1] = trim($dataparts[$cnt-1]);
 100  
 101              if(!isset($this->coverage[$dataparts[$cnt-2]][$dataparts[$cnt-1]])) {
 102                  $this->coverage[$dataparts[$cnt-2]][$dataparts[$cnt-1]] = 1;
 103              }
 104              else {
 105                  $this->coverage[$dataparts[$cnt-2]][$dataparts[$cnt-1]] ++;
 106              }
 107              return true;
 108          }
 109  
 110          /*}}}*/
 111          /*{{{ public function getCoverageData() */
 112  
 113          /** 
 114          * Returns the coverage array 
 115          * 
 116          * @return Array Array of coverage data from parsing.
 117          * @access public
 118          */
 119          public function getCoverageData() {
 120              return $this->coverage;
 121          }
 122  
 123          /*}}}*/
 124      }
 125  ?>