<?php

/*

 * This file is part of SwiftMailer.

 * (c) 2004-2009 Chris Corbyn

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * A Simple MIME Header.

 * @package Swift

 * @subpackage Mime

 * @author Chris Corbyn

 */

class Swift_Mime_Headers_UnstructuredHeader

  extends Swift_Mime_Headers_AbstractHeader

{

  /**

   * The value of this Header.

   * @var string

   * @access private

   */

  private $_value;

  /**

   * Creates a new SimpleHeader with $name.

   * @param string $name

   * @param Swift_Mime_HeaderEncoder $encoder

   * @param Swift_Mime_Grammar $grammar

   */

  public function __construct($name, Swift_Mime_HeaderEncoder $encoder, Swift_Mime_Grammar $grammar)

  {

    $this->setFieldName($name);

    $this->setEncoder($encoder);

    parent::__construct($grammar);

  }

  /**

   * Get the type of Header that this instance represents.

   * @return int

   * @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX

   * @see TYPE_DATE, TYPE_ID, TYPE_PATH

   */

  public function getFieldType()

  {

    return self::TYPE_TEXT;

  }

  /**

   * Set the model for the field body.

   * This method takes a string for the field value.

   * @param string $model

   */

  public function setFieldBodyModel($model)

  {

    $this->setValue($model);

  }

  /**

   * Get the model for the field body.

   * This method returns a string.

   * @return string

   */

  public function getFieldBodyModel()

  {

    return $this->getValue();

  }

  /**

   * Get the (unencoded) value of this header.

   * @return string

   */

  public function getValue()

  {

    return $this->_value;

  }

  /**

   * Set the (unencoded) value of this header.

   * @param string $value

   */

  public function setValue($value)

  {

    $this->clearCachedValueIf($this->_value != $value);

    $this->_value = $value;

  }

  /**

   * Get the value of this header prepared for rendering.

   * @return string

   */

  public function getFieldBody()

  {

    if (!$this->getCachedValue())

    {

      $this->setCachedValue(

        str_replace('\\', '\\\\', $this->encodeWords(

          $this, $this->_value

          ))

        );

    }

    return $this->getCachedValue();

  }

}