Files
smarty/libs/plugins/block.textformat.php
2002-09-16 15:19:41 +00:00

72 lines
1.7 KiB
PHP

<?php
/*
* Smarty plugin
* -------------------------------------------------------------
* Type: block function
* Name: textformat
* Purpose: format text a certain way with preset styles
* or custom wrap/indent settings
* Params: style: string (email)
* indent: integer (0)
* wrap: integer (80)
* wrap_char string ("\n")
* indent_char: string (" ")
* wrap_boundary: boolean (true)
* -------------------------------------------------------------
*/
function smarty_block_textformat($params, $content, &$this)
{
$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);
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) {
$this->assign($assign,$output);
} else {
echo $output;
}
//echo $content;
}
/* vim: set expandtab: */
?>