File lass/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:  * @author Monte Ohrt <monte at ohrt dot com>
 27:  * @param string contents of the block
 28:  * @param Smarty clever simulation of a method
 29:  * @return string string $content re-formatted
 30:  */
 31: function smarty_block_textformat($params, $content, &$smarty)
 32: {
 33:     if (is_null($content)) {
 34:         return;
 35:     }
 36: 
 37:     $style = null;
 38:     $indent = 0;
 39:     $indent_first = 0;
 40:     $indent_char = ' ';
 41:     $wrap = 80;
 42:     $wrap_char = "\n";
 43:     $wrap_cut = false;
 44:     $assign = null;
 45:     
 46:     foreach ($params as $_key => $_val) {
 47:         switch ($_key) {
 48:             case 'style':
 49:             case 'indent_char':
 50:             case 'wrap_char':
 51:             case 'assign':
 52:                 $$_key = (string)$_val;
 53:                 break;
 54: 
 55:             case 'indent':
 56:             case 'indent_first':
 57:             case 'wrap':
 58:                 $$_key = (int)$_val;
 59:                 break;
 60: 
 61:             case 'wrap_cut':
 62:                 $$_key = (bool)$_val;
 63:                 break;
 64: 
 65:             default:
 66:                 $smarty->trigger_error("textformat: unknown attribute '$_key'");
 67:         }
 68:     }
 69: 
 70:     if ($style == 'email') {
 71:         $wrap = 72;
 72:     }
 73: 
 74:     // split into paragraphs
 75:     $_paragraphs = preg_split('![\r\n][\r\n]!',$content);
 76:     $_output = '';
 77: 
 78:     for($_x = 0, $_y = count($_paragraphs); $_x < $_y; $_x++) {
 79:         if ($_paragraphs[$_x] == '') {
 80:             continue;
 81:         }
 82:         // convert mult. spaces & special chars to single space
 83:         $_paragraphs[$_x] = preg_replace(array('!\s+!','!(^\s+)|(\s+$)!'), array(' ',''), $_paragraphs[$_x]);
 84:         // indent first line
 85:         if($indent_first > 0) {
 86:             $_paragraphs[$_x] = str_repeat($indent_char, $indent_first) . $_paragraphs[$_x];
 87:         }
 88:         // wordwrap sentences
 89:         $_paragraphs[$_x] = wordwrap($_paragraphs[$_x], $wrap - $indent, $wrap_char, $wrap_cut);
 90:         // indent lines
 91:         if($indent > 0) {
 92:             $_paragraphs[$_x] = preg_replace('!^!m', str_repeat($indent_char, $indent), $_paragraphs[$_x]);
 93:         }
 94:     }
 95:     $_output = implode($wrap_char . $wrap_char, $_paragraphs);
 96: 
 97:     return $assign ? $smarty->assign($assign, $_output) : $_output;
 98: 
 99: }
100: 
101: /* vim: set expandtab: */
102: 
103: ?>
104:
Namespaces

Classes

Interfaces

Exceptions

Functions
