inc/smarty/plugins/block.textformat.php

   1 <?php
   2 /**
   3  * Smarty plugin
   4  * @package Smarty
   5  * @subpackage plugins
   6  */
   7
   8 /**
   9  * Smarty {textformat}{/textformat} block plugin
  10  *
  11  * Type:     block function<br>
  12  * Name:     textformat<br>
  13  * Purpose:  format text a certain way with preset styles
  14  *           or custom wrap/indent settings<br>
  15  * @link http://smarty.php.net/manual/en/language.function.textformat.php {textformat}
  16  *       (Smarty online manual)
  17  * @param array
  18  * <pre>
  19  * Params:   style: string (email)
  20  *           indent: integer (0)
  21  *           wrap: integer (80)
  22  *           wrap_char string ("\n")
  23  *           indent_char: string (" ")
  24  *           wrap_boundary: boolean (true)
  25  * </pre>
  26  * @param string contents of the block
  27  * @param Smarty clever simulation of a method
  28  * @return string string $content re-formatted
  29  */
  30 function smarty_block_textformat($params, $content, &$smarty)
  31 {
  32         $style = null;
  33         $indent = 0;
  34         $indent_first = 0;
  35         $indent_char = ' ';
  36         $wrap = 80;
  37         $wrap_char = "\n";
  38         $wrap_cut = false;
  39         $assign = null;
  40
  41         if($content == null) {
  42                 return true;
  43         }
  44
  45     extract($params);
  46
  47         if($style == 'email') {
  48                 $wrap = 72;
  49         }
  50
  51         // split into paragraphs
  52         $paragraphs = preg_split('![\r\n][\r\n]!',$content);
  53         $output = '';
  54
  55         foreach($paragraphs as $paragraph) {
  56                 if($paragraph == '') {
  57                         continue;
  58                 }
  59                 // convert mult. spaces & special chars to single space
  60                 $paragraph = preg_replace(array('!\s+!','!(^\s+)|(\s+$)!'),array(' ',''),$paragraph);
  61                 // indent first line
  62                 if($indent_first > 0) {
  63                         $paragraph = str_repeat($indent_char,$indent_first) . $paragraph;
  64                 }
  65                 // wordwrap sentences
  66                 $paragraph = wordwrap($paragraph, $wrap - $indent, $wrap_char, $wrap_cut);
  67                 // indent lines
  68                 if($indent > 0) {
  69                         $paragraph = preg_replace('!^!m',str_repeat($indent_char,$indent),$paragraph);
  70                 }
  71                 $output .= $paragraph . $wrap_char . $wrap_char;
  72         }
  73
  74         if($assign != null) {
  75                 $smarty->assign($assign,$output);
  76         } else {
  77                 return $output;
  78         }
  79 }
  80
  81 /* vim: set expandtab: */
  82
  83 ?>