1. sfFormatter.class.php
  2. /**
 * sfFormatter provides methods to format text to be displayed on a console.
 *
 * @package    symfony
 * @subpackage command
 * @author     Fabien Potencier 
 * @version    SVN: $Id: sfFormatter.class.php 21908 2009-09-11 12:06:21Z fabien $
 */
  3. class sfFormatter
  4. {
  5.   protected
  6.     $size = null;
  8.   function __construct($maxLineSize = null)
  9.   {
  10.     if (null === $maxLineSize)
  11.     {
  12.       // this is tricky because "tput cols 2>&1" is not accurate
  13.       $maxLineSize = ctype_digit(trim(shell_exec('tput cols 2>&1'))) ? (integer) shell_exec('tput cols') : 78;
  14.     }
  16.     $this->size = $maxLineSize;
  17.   }
  19.   /**
  20.    * Sets a new style.
  21.    *
  22.    * @param string $name    The style name
  23.    * @param array  $options An array of options
  24.    */
  25.   public function setStyle($name, $options = array())
  26.   {
  27.   }
  29.   /**
  30.    * Formats a text according to the given parameters.
  31.    *
  32.    * @param  string $text         The test to style
  33.    * @param  mixed  $parameters   An array of parameters
  34.    *
  35.    * @return string The formatted text
  36.    */
  37.   public function format($text = '', $parameters = array())
  38.   {
  39.     return $text;
  40.   }
  42.   /**
  43.    * Formats a message within a section.
  44.    *
  45.    * @param string  $section  The section name
  46.    * @param string  $text     The text message
  47.    * @param integer $size     The maximum size allowed for a line
  48.    */
  49.   public function formatSection($section, $text, $size = null)
  50.   {
  51.     if (!$size)
  52.     {
  53.       $size = $this->size;
  54.     }
  56.     $section = sprintf('>> %-9s ', $section);
  58.     return $section.$this->excerpt($text, $size - strlen($section));
  59.   }
  61.   /**
  62.    * Truncates a line.
  63.    *
  64.    * @param string  $text The text
  65.    * @param integer $size The maximum size of the returned string
  66.    *
  67.    * @return string The truncated string
  68.    */
  69.   public function excerpt($text, $size = null)
  70.   {
  71.     if (!$size)
  72.     {
  73.       $size = $this->size;
  74.     }
  76.     if (strlen($text) < $size)
  77.     {
  78.       return $text;
  79.     }
  81.     $subsize = floor(($size - 3) / 2);
  83.     return substr($text, 0, $subsize).'...'.substr($text, -$subsize);
  84.   }
  86.   /**
  87.    * Sets the maximum line size.
  88.    *
  89.    * @param integer $size The maximum line size for a message
  90.    */
  91.   public function setMaxLineSize($size)
  92.   {
  93.     $this->size = $size;
  94.   }
  95. }
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