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 | if (is_null($content)) { |
33 | return; |
34 | } |
35 | |
36 | $style = null; |
37 | $indent = 0; |
38 | $indent_first = 0; |
39 | $indent_char = ' '; |
40 | $wrap = 80; |
41 | $wrap_char = "\n"; |
42 | $wrap_cut = false; |
43 | $assign = null; |
44 | |
45 | foreach ($params as $_key => $_val) { |
46 | switch ($_key) { |
47 | case 'style': |
48 | case 'indent_char': |
49 | case 'wrap_char': |
50 | case 'assign': |
51 | $$_key = (string)$_val; |
52 | break; |
53 | |
54 | case 'indent': |
55 | case 'indent_first': |
56 | case 'wrap': |
57 | $$_key = (int)$_val; |
58 | break; |
59 | |
60 | case 'wrap_cut': |
61 | $$_key = (bool)$_val; |
62 | break; |
63 | |
64 | default: |
65 | $smarty->trigger_error("textformat: unknown attribute '$_key'"); |
66 | } |
67 | } |
68 | |
69 | if ($style == 'email') { |
70 | $wrap = 72; |
71 | } |
72 | |
73 | // split into paragraphs |
74 | $_paragraphs = preg_split('![\r\n][\r\n]!',$content); |
75 | $_output = ''; |
76 | |
77 | for($_x = 0, $_y = count($_paragraphs); $_x < $_y; $_x++) { |
78 | if ($_paragraphs[$_x] == '') { |
79 | continue; |
80 | } |
81 | // convert mult. spaces & special chars to single space |
82 | $_paragraphs[$_x] = preg_replace(array('!\s+!','!(^\s+)|(\s+$)!'), array(' ',''), $_paragraphs[$_x]); |
83 | // indent first line |
84 | if($indent_first > 0) { |
85 | $_paragraphs[$_x] = str_repeat($indent_char, $indent_first) . $_paragraphs[$_x]; |
86 | } |
87 | // wordwrap sentences |
88 | $_paragraphs[$_x] = wordwrap($_paragraphs[$_x], $wrap - $indent, $wrap_char, $wrap_cut); |
89 | // indent lines |
90 | if($indent > 0) { |
91 | $_paragraphs[$_x] = preg_replace('!^!m', str_repeat($indent_char, $indent), $_paragraphs[$_x]); |
92 | } |
93 | } |
94 | $_output = implode($wrap_char . $wrap_char, $_paragraphs); |
95 | |
96 | return $assign ? $smarty->assign($assign, $_output) : $_output; |
97 | |
98 | } |
99 | |
100 | /* vim: set expandtab: */ |
101 | |
102 | ?> |