Subversion Repositories ALCASAR

Rev

Details | Last modification | View Log

Rev Author Line No. Line
2809 rexy 1 
<?php
2 
/**
3 
 * Smarty plugin to format text blocks
4 
 *
5 
 * @package    Smarty
6 
 * @subpackage PluginsBlock
7 
 */
8 
/**
9 
 * Smarty {textformat}{/textformat} block plugin
10 
 * Type:     block function
11 
 * Name:     textformat
12 
 * Purpose:  format text a certain way with preset styles
13 
 *           or custom wrap/indent settings
14 
 * Params:
15 
 *
16 
 * - style         - string (email)
17 
 * - indent        - integer (0)
18 
 * - wrap          - integer (80)
19 
 * - wrap_char     - string ("\n")
20 
 * - indent_char   - string (" ")
21 
 * - wrap_boundary - boolean (true)
22 
 *
23 
 * @link   http://www.smarty.net/manual/en/language.function.textformat.php {textformat}
24 
 *         (Smarty online manual)
25 
 *
26 
 * @param array                    $params   parameters
27 
 * @param string                   $content  contents of the block
28 
 * @param Smarty_Internal_Template $template template object
29 
 * @param boolean                  &$repeat  repeat flag
30 
 *
31 
 * @return string content re-formatted
32 
 * @author Monte Ohrt <monte at ohrt dot com>
33 
 * @throws \SmartyException
34 
 */
35 
function smarty_block_textformat($params, $content, Smarty_Internal_Template $template, &$repeat)
36 
{
37 
    if (is_null($content)) {
38 
        return;
39 
    }
40 
    if (Smarty::$_MBSTRING) {
41 
        $template->_checkPlugins(
42 
            array(
43 
                array(
44 
                    'function' => 'smarty_modifier_mb_wordwrap',
45 
                    'file'     => SMARTY_PLUGINS_DIR . 'modifier.mb_wordwrap.php'
46 
                )
47 
            )
48 
        );
49 
    }
50 
    $style = null;
51 
    $indent = 0;
52 
    $indent_first = 0;
53 
    $indent_char = ' ';
54 
    $wrap = 80;
55 
    $wrap_char = "\n";
56 
    $wrap_cut = false;
57 
    $assign = null;
58 
    foreach ($params as $_key => $_val) {
59 
        switch ($_key) {
60 
            case 'style':
61 
            case 'indent_char':
62 
            case 'wrap_char':
63 
            case 'assign':
64 
                $$_key = (string)$_val;
65 
                break;
66 
            case 'indent':
67 
            case 'indent_first':
68 
            case 'wrap':
69 
                $$_key = (int)$_val;
70 
                break;
71 
            case 'wrap_cut':
72 
                $$_key = (bool)$_val;
73 
                break;
74 
            default:
75 
                trigger_error("textformat: unknown attribute '{$_key}'");
76 
        }
77 
    }
78 
    if ($style === 'email') {
79 
        $wrap = 72;
80 
    }
81 
    // split into paragraphs
82 
    $_paragraphs = preg_split('![\r\n]{2}!', $content);
83 
    foreach ($_paragraphs as &$_paragraph) {
84 
        if (!$_paragraph) {
85 
            continue;
86 
        }
87 
        // convert mult. spaces & special chars to single space
88 
        $_paragraph =
89 
            preg_replace(
90 
                array(
91 
                    '!\s+!' . Smarty::$_UTF8_MODIFIER,
92 
                    '!(^\s+)|(\s+$)!' . Smarty::$_UTF8_MODIFIER
93 
                ),
94 
                array(
95 
                    ' ',
96 
                    ''
97 
                ),
98 
                $_paragraph
99 
            );
100 
        // indent first line
101 
        if ($indent_first > 0) {
102 
            $_paragraph = str_repeat($indent_char, $indent_first) . $_paragraph;
103 
        }
104 
        // wordwrap sentences
105 
        if (Smarty::$_MBSTRING) {
106 
            $_paragraph = smarty_modifier_mb_wordwrap($_paragraph, $wrap - $indent, $wrap_char, $wrap_cut);
107 
        } else {
108 
            $_paragraph = wordwrap($_paragraph, $wrap - $indent, $wrap_char, $wrap_cut);
109 
        }
110 
        // indent lines
111 
        if ($indent > 0) {
112 
            $_paragraph = preg_replace('!^!m', str_repeat($indent_char, $indent), $_paragraph);
113 
        }
114 
    }
115 
    $_output = implode($wrap_char . $wrap_char, $_paragraphs);
116 
    if ($assign) {
117 
        $template->assign($assign, $_output);
118 
    } else {
119 
        return $_output;
120 
    }
121 
}