<?php

/*
 * Template Lite 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)
 * Taken from the original Smarty
 * http://smarty.php.net
 * -------------------------------------------------------------
 */
function tpl_block_textformat($params, &$content, &$template_object)
{

	$style        = null;
	$indent       = 0;
	$indent_first = 0;
	$indent_char  = ' ';
	$wrap         = 80;
	$wrap_char    = "\n";
	$wrap_cut     = false;
	$assign       = null;

	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) {
		$template_object->assign($assign, $output);
		return false;
	} else {
		$content = $output;
	}
	return true;
}
