* Name: textformat
* Purpose: format text a certain way with preset styles
* or custom wrap/indent settings
* @link http://smarty.php.net/manual/en/language.function.textformat.php {textformat}
* (Smarty online manual)
* @param array
*
* Params: style: string (email) * indent: integer (0) * wrap: integer (80) * wrap_char string ("\n") * indent_char: string (" ") * wrap_boundary: boolean (true) ** @param string contents of the block * @param Smarty clever simulation of a method * @return string string $content re-formatted */ function smarty_block_textformat($params, $content, &$smarty) { if (is_null($content)) { return; } $style = null; $indent = 0; $indent_first = 0; $indent_char = ' '; $wrap = 80; $wrap_char = "\n"; $wrap_cut = false; $assign = null; foreach ($params as $_key => $_val) { switch ($_key) { case 'style': case 'indent_char': case 'wrap_char': case 'assign': $$_key = (string)$_val; break; case 'indent': case 'indent_first': case 'wrap': $$_key = (int)$_val; break; case 'wrap_cut': $$_key = (bool)$_val; break; default: $smarty->trigger_error("textformat: unknown attribute '$_key'"); } } if ($style == 'email') { $wrap = 72; } // split into paragraphs $_paragraphs = preg_split('![\r\n][\r\n]!',$content); $_output = ''; for($_x = 0, $_y = count($_paragraphs); $_x < $_y; $_x++) { if ($_paragraphs[$_x] == '') { continue; } // convert mult. spaces & special chars to single space $_paragraphs[$_x] = preg_replace(array('!\s+!','!(^\s+)|(\s+$)!'), array(' ',''), $_paragraphs[$_x]); // indent first line if($indent_first > 0) { $_paragraphs[$_x] = str_repeat($indent_char, $indent_first) . $_paragraphs[$_x]; } // wordwrap sentences $_paragraphs[$_x] = wordwrap($_paragraphs[$_x], $wrap - $indent, $wrap_char, $wrap_cut); // indent lines if($indent > 0) { $_paragraphs[$_x] = preg_replace('!^!m', str_repeat($indent_char, $indent), $_paragraphs[$_x]); } } $_output = implode($wrap_char . $wrap_char, $_paragraphs); return $assign ? $smarty->assign($assign, $_output) : $_output; } /* vim: set expandtab: */ ?>