1 <?php
2 /**
3 * Smarty plugin to format text blocks
4 *
5 * @package Smarty
6 * @subpackage PluginsBlock
7 */
9 /**
10 * Smarty {textformat}{/textformat} block plugin
11 *
12 * Type: block function<br>
13 * Name: textformat<br>
14 * Purpose: format text a certain way with preset styles
15 * or custom wrap/indent settings<br>
16 * Params:
17 * <pre>
18 * - style - string (email)
19 * - indent - integer (0)
20 * - wrap - integer (80)
21 * - wrap_char - string ("\n")
22 * - indent_char - string (" ")
23 * - wrap_boundary - boolean (true)
24 * </pre>
25 *
26 * @link http://www.smarty.net/manual/en/language.function.textformat.php {textformat}
27 * (Smarty online manual)
28 * @param array $params parameters
29 * @param string $content contents of the block
30 * @param Smarty_Internal_Template $template template object
31 * @param boolean &$repeat repeat flag
32 * @return string content re-formatted
33 * @author Monte Ohrt <monte at ohrt dot com>
34 */
35 function smarty_block_textformat($params, $content, $template, &$repeat)
36 {
37 if (is_null($content)) {
38 return;
39 }
41 $style = null;
42 $indent = 0;
43 $indent_first = 0;
44 $indent_char = ' ';
45 $wrap = 80;
46 $wrap_char = "\n";
47 $wrap_cut = false;
48 $assign = null;
50 foreach ($params as $_key => $_val) {
51 switch ($_key) {
52 case 'style':
53 case 'indent_char':
54 case 'wrap_char':
55 case 'assign':
56 $$_key = (string)$_val;
57 break;
59 case 'indent':
60 case 'indent_first':
61 case 'wrap':
62 $$_key = (int)$_val;
63 break;
65 case 'wrap_cut':
66 $$_key = (bool)$_val;
67 break;
69 default:
70 trigger_error("textformat: unknown attribute '$_key'");
71 }
72 }
74 if ($style == 'email') {
75 $wrap = 72;
76 }
77 // split into paragraphs
78 $_paragraphs = preg_split('![\r\n]{2}!', $content);
79 $_output = '';
82 foreach ($_paragraphs as &$_paragraph) {
83 if (!$_paragraph) {
84 continue;
85 }
86 // convert mult. spaces & special chars to single space
87 $_paragraph = preg_replace(array('!\s+!u', '!(^\s+)|(\s+$)!u'), array(' ', ''), $_paragraph);
88 // indent first line
89 if ($indent_first > 0) {
90 $_paragraph = str_repeat($indent_char, $indent_first) . $_paragraph;
91 }
92 // wordwrap sentences
93 if (SMARTY_MBSTRING /* ^phpunit */&&empty($_SERVER['SMARTY_PHPUNIT_DISABLE_MBSTRING'])/* phpunit$ */) {
94 require_once(SMARTY_PLUGINS_DIR . 'shared.mb_wordwrap.php');
95 $_paragraph = smarty_mb_wordwrap($_paragraph, $wrap - $indent, $wrap_char, $wrap_cut);
96 } else {
97 $_paragraph = wordwrap($_paragraph, $wrap - $indent, $wrap_char, $wrap_cut);
98 }
99 // indent lines
100 if ($indent > 0) {
101 $_paragraph = preg_replace('!^!m', str_repeat($indent_char, $indent), $_paragraph);
102 }
103 }
104 $_output = implode($wrap_char . $wrap_char, $_paragraphs);
106 if ($assign) {
107 $template->assign($assign, $_output);
108 } else {
109 return $_output;
110 }
111 }
113 ?>