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<?php
/**
* Smarty plugin
* @package Smarty
* @subpackage plugins
*/
/**
* Smarty {textformat}{/textformat} block plugin
*
* Type: block function<br>
* Name: textformat<br>
* Purpose: format text a certain way with preset styles
* or custom wrap/indent settings<br>
* @link http://smarty.php.net/manual/en/language.function.textformat.php {textformat}
* (Smarty online manual)
* @param array
* <pre>
* Params: style: string (email)
* indent: integer (0)
* wrap: integer (80)
* wrap_char string ("\n")
* indent_char: string (" ")
* wrap_boundary: boolean (true)
* </pre>
* @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)
{
$style = null;
$indent = 0;
$indent_first = 0;
$indent_char = ' ';
$wrap = 80;
$wrap_char = "\n";
$wrap_cut = false;
$assign = null;
if($content == null) {
return true;
}
extract($params);
if($style == 'email') {
$wrap = 72;
}
// split into paragraphs
$paragraphs = preg_split('![\r\n][\r\n]!',$content);
$output = '';
foreach($paragraphs as $paragraph) {
if($paragraph == '') {
continue;
}
// convert mult. spaces & special chars to single space
$paragraph = preg_replace(array('!\s+!','!(^\s+)|(\s+$)!'),array(' ',''),$paragraph);
// indent first line
if($indent_first > 0) {
$paragraph = str_repeat($indent_char,$indent_first) . $paragraph;
}
// wordwrap sentences
$paragraph = wordwrap($paragraph, $wrap - $indent, $wrap_char, $wrap_cut);
// indent lines
if($indent > 0) {
$paragraph = preg_replace('!^!m',str_repeat($indent_char,$indent),$paragraph);
}
$output .= $paragraph . $wrap_char . $wrap_char;
}
if($assign != null) {
$smarty->assign($assign,$output);
} else {
return $output;
}
}
/* vim: set expandtab: */
?>
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