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1 lars 1 
<?php
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/*
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 * This file is part of the symfony package.
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 * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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/**
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 * sfFormatter provides methods to format text to be displayed on a console.
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 *
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 * @package    symfony
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 * @subpackage command
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 * @author     Fabien Potencier <fabien.potencier@symfony-project.com>
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 * @version    SVN: $Id: sfFormatter.class.php 30008 2010-06-28 09:48:15Z fabien $
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 */
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class sfFormatter
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{
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  protected
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    $size = null;
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  function __construct($maxLineSize = null)
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  {
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    if (null === $maxLineSize)
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    {
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      if (function_exists('shell_exec'))
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      {
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        // this is tricky because "tput cols 2>&1" is not accurate
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        $maxLineSize = ctype_digit(trim(shell_exec('tput cols 2>&1'))) ? (integer) shell_exec('tput cols') : 78;
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      }
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      else
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      {
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        $maxLineSize = 78;
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      }
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    }
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    $this->size = $maxLineSize;
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  }
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  /**
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   * Sets a new style.
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   *
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   * @param string $name    The style name
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   * @param array  $options An array of options
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   */
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  public function setStyle($name, $options = array())
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  {
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  }
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  /**
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   * Formats a text according to the given parameters.
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   *
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   * @param  string $text         The test to style
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   * @param  mixed  $parameters   An array of parameters
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   *
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   * @return string The formatted text
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   */
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  public function format($text = '', $parameters = array())
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  {
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    return $text;
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  }
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  /**
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   * Formats a message within a section.
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   *
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   * @param string  $section  The section name
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   * @param string  $text     The text message
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   * @param integer $size     The maximum size allowed for a line
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   */
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  public function formatSection($section, $text, $size = null)
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  {
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    if (!$size)
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    {
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      $size = $this->size;
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    }
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    $section = sprintf('>> %-9s ', $section);
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    return $section.$this->excerpt($text, $size - strlen($section));
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  }
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  /**
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   * Truncates a line.
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   *
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   * @param string  $text The text
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   * @param integer $size The maximum size of the returned string
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   *
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   * @return string The truncated string
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   */
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  public function excerpt($text, $size = null)
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  {
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    if (!$size)
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    {
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      $size = $this->size;
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    }
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    if (strlen($text) < $size)
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    {
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      return $text;
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    }
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    $subsize = floor(($size - 3) / 2);
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    return substr($text, 0, $subsize).'...'.substr($text, -$subsize);
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  }
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  /**
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   * Sets the maximum line size.
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   *
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   * @param integer $size The maximum line size for a message
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   */
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  public function setMaxLineSize($size)
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  {
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    $this->size = $size;
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  }
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}