dom-parseLicenseTable.php

<?php
/*
 SPDX-FileCopyrightText: © 2010 Hewlett-Packard Development Company, L.P.
 
 SPDX-License-Identifier: GPL-2.0-only
*/
class domParseLicenseTbl
{
  public $page;
  public $hList = array();
  public $noRows = FALSE;
  public $emptyTable = FALSE;
  private $tableId;
  private $title;
 
  function __construct($page,$tblId,$title=1)
  {
    if (empty ($page)) { return; }
    $this->page = $page;
    if (strlen($tblId) == 0) { return; }
    $this->tableId = $tblId;
    $this->title = $title;
  }
  function parseLicenseTbl()
  {
    /*
     * Each table row has 3 td's in it. First is the license count, second
     * is the show link and third is the license name.
     */
 
    $dom = new domDocument;
    @$dom->loadHTML($this->page);
    /*** discard white space ***/
    $dom->preserveWhiteSpace = false;
    $table = $dom->getElementById($this->tableId);
    if(empty($table)) {
      $this->emptyTable = TRUE;
      //print "DPLTDB: table is empty, can't find table! with table id of:$this->tableId\n";
      return($this->hList=array());
    }
 
    foreach ($table->childNodes as $tblChildNode)
    {
      $histogram = array();
      foreach($tblChildNode->childNodes as $childNode){
        if($childNode->nodeName == 'td'){
          if(is_numeric($childNode->nodeValue)) {
            $histogram['count'] = trim($childNode->nodeValue);
          }
          if ($childNode->nodeValue == 'Show') {
            $anchorList = $childNode->getElementsByTagName('a');
            foreach($anchorList as $anchorEle) {
              $histogram['showLink'] = $anchorEle->getAttribute('href');
            }
          }
          if(is_string($childNode->nodeValue)) {
            $histogram['textOrLink'] = trim($childNode->nodeValue);
          }
        }
      } // foreach($tblChildNode
      $this->hList[] = $histogram;
      $histogram = array();
    } // foreach
    // for tables with titles, the first row is empty as no childNodes match
    // what we are looking for, remove the first row.
    if($this->title)
    {
      // remove empty 1st entry
      unset($this->hList[0]);
    }
    if(empty($this->hList)) {
      $this->noRows = TRUE;
    }
  } // parseLicenseTbl
}