51ff3226 |
1 | <?php |
2 | /** |
3 | * Smarty plugin |
4 | * @package Smarty |
5 | * @subpackage plugins |
6 | */ |
7 | |
8 | /** |
9 | * Smarty {textformat}{/textformat} block plugin |
10 | * |
11 | * Type: block function<br> |
12 | * Name: textformat<br> |
13 | * Purpose: format text a certain way with preset styles |
14 | * or custom wrap/indent settings<br> |
15 | * @link http://smarty.php.net/manual/en/language.function.textformat.php {textformat} |
16 | * (Smarty online manual) |
17 | * @param array |
18 | * <pre> |
19 | * Params: style: string (email) |
20 | * indent: integer (0) |
21 | * wrap: integer (80) |
22 | * wrap_char string ("\n") |
23 | * indent_char: string (" ") |
24 | * wrap_boundary: boolean (true) |
25 | * </pre> |
26 | * @param string contents of the block |
27 | * @param Smarty clever simulation of a method |
28 | * @return string string $content re-formatted |
29 | */ |
30 | function smarty_block_textformat($params, $content, &$smarty) |
31 | { |
32 | $style = null; |
33 | $indent = 0; |
34 | $indent_first = 0; |
35 | $indent_char = ' '; |
36 | $wrap = 80; |
37 | $wrap_char = "\n"; |
38 | $wrap_cut = false; |
39 | $assign = null; |
40 | |
41 | if($content == null) { |
42 | return true; |
43 | } |
44 | |
45 | extract($params); |
46 | |
47 | if($style == 'email') { |
48 | $wrap = 72; |
49 | } |
50 | |
51 | // split into paragraphs |
52 | $paragraphs = preg_split('![\r\n][\r\n]!',$content); |
53 | $output = ''; |
54 | |
55 | foreach($paragraphs as $paragraph) { |
56 | if($paragraph == '') { |
57 | continue; |
58 | } |
59 | // convert mult. spaces & special chars to single space |
60 | $paragraph = preg_replace(array('!\s+!','!(^\s+)|(\s+$)!'),array(' ',''),$paragraph); |
61 | // indent first line |
62 | if($indent_first > 0) { |
63 | $paragraph = str_repeat($indent_char,$indent_first) . $paragraph; |
64 | } |
65 | // wordwrap sentences |
66 | $paragraph = wordwrap($paragraph, $wrap - $indent, $wrap_char, $wrap_cut); |
67 | // indent lines |
68 | if($indent > 0) { |
69 | $paragraph = preg_replace('!^!m',str_repeat($indent_char,$indent),$paragraph); |
70 | } |
71 | $output .= $paragraph . $wrap_char . $wrap_char; |
72 | } |
73 | |
74 | if($assign != null) { |
75 | $smarty->assign($assign,$output); |
76 | } else { |
77 | return $output; |
78 | } |
79 | } |
80 | |
81 | /* vim: set expandtab: */ |
82 | |
83 | ?> |