Sphinx XML Feed Generator Class

sphinxxmlfeed.php

<?php

class SphinxXMLFeed extends XMLWriter
{
  private $fields = array();
  private $attributes = array();
 
  public function __construct($options = array())
  {
    $defaults = array(
      'indent' => false,
    );
    $options = array_merge($defaults, $options);
 
    // Store the xml tree in memory
    $this->openMemory();
 
    if($options['indent']) {
      $this->setIndent(true);
    }
  }
 
  public function setFields($fields) {
    $this->fields = $fields;
  }
 
  public function setAttributes($attributes) {
    $this->attributes = $attributes;
  }
 
  public function addDocument($doc) {
    $this->startElement('sphinx:document');
    $this->writeAttribute('id', $doc['id']);
 
    foreach($doc as $key => $value) {
      // Skip the id key since that is an element attribute
      if($key == 'id') continue;
 
      $this->startElement($key);
      $this->text($value);
      $this->endElement();
    }
 
    $this->endElement();
    print $this->outputMemory();
  }
 
  public function beginOutput() {
 
    $this->startDocument('1.0', 'UTF-8');
    $this->startElement('sphinx:docset');
    $this->startElement('sphinx:schema');
 
    // add fields to the schema
    foreach($this->fields as $field) {
      $this->startElement('sphinx:field');
      $this->writeAttribute('name', $field);
      $this->endElement();
    }
 
    // add attributes to the schema
    foreach($this->attributes as $attributes) {
      $this->startElement('sphinx:attr');
      foreach($attributes as $key => $value) {
        $this->writeAttribute($key, $value);
      }
      $this->endElement();
    }
 
    // end sphinx:schema
    $this->endElement();
    print $this->outputMemory();
  }
 
  public function endOutput()
  {
    // end sphinx:docset
    $this->endElement();
    print $this->outputMemory();
  }
}
?>