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public function FrxReportEditor::__construct in Forena Reports 7

Same name and namespace in other branches
  1. 6.2 FrxReportEditor.inc \FrxReportEditor::__construct()
  2. 6 FrxReportEditor.inc \FrxReportEditor::__construct()
  3. 7.2 FrxReportEditor.inc \FrxReportEditor::__construct()

Create initial FRX report Enter description here ...

Parameters

unknown_type $xml_string:

File

./FrxReportEditor.inc, line 26

Class

FrxReportEditor
Wrapper XML class for working with DOM object. It provides helper Enter description here ... @author metzlerd

Code

public function __construct($xml_string = '') {
  $this->dom = new DOMDocument('1.0', 'UTF-8');
  $dom = $this->dom;

  // Load a new one or build the empty XML Document
  if ($xml_string) {

    // Eliminate the xml headers that don't have encoding info
    $xml_string = str_ireplace('<?xml version="1.0"?>', '', $xml_string);

    // If the <?xml code is missing assume UTF-8
    if (strpos($xml_string, '<?xml') === FALSE) {
      $xml_string = $this->doc_prefix . "\n" . $xml_string;
    }
  }
  else {
    $xml_string = $this->doc_prefix . '<html xmlns:frx="urn:FrxReports"><head/><body/></html>';
  }
  libxml_use_internal_errors();
  try {
    $dom
      ->loadXML($xml_string);
  } catch (Exception $e) {
    forena_error('Invalid or malformed report document', '<pre>' . $e
      ->getMessage() . $e
      ->getTraceAsString() . '</pre>');
  }
  $this
    ->verifyHeaderElements();
  $tnodes = $dom
    ->getElementsByTagName('title');
  if ($tnodes->length) {
    $this->title = $tnodes
      ->item(0)->textContent;
  }
  $this->document_root = $dom->documentElement;
  $this->simplexml = simplexml_import_dom($dom);
  $dom->formatOutput = TRUE;
  $this->xpq = new DOMXPath($dom);
  $this->xpq
    ->registerNamespace('frx', $this->xmlns);
}