Commit | Line | Data |
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b42b2bf9 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 | 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 | ?> |