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e586807d H |
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 | ?> |