source: branches/comu/data/module/Smarty/libs/plugins/block.textformat.php @ 12197

Revision 12197, 2.8 KB checked in by adati, 17 years ago (diff)

1.3.0正式版のマージ

Line 
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 * @author Monte Ohrt <monte at ohrt dot com>
27 * @param string contents of the block
28 * @param Smarty clever simulation of a method
29 * @return string string $content re-formatted
30 */
31function smarty_block_textformat($params, $content, &$smarty)
32{
33    if (is_null($content)) {
34        return;
35    }
36
37    $style = null;
38    $indent = 0;
39    $indent_first = 0;
40    $indent_char = ' ';
41    $wrap = 80;
42    $wrap_char = "\n";
43    $wrap_cut = false;
44    $assign = null;
45   
46    foreach ($params as $_key => $_val) {
47        switch ($_key) {
48            case 'style':
49            case 'indent_char':
50            case 'wrap_char':
51            case 'assign':
52                $$_key = (string)$_val;
53                break;
54
55            case 'indent':
56            case 'indent_first':
57            case 'wrap':
58                $$_key = (int)$_val;
59                break;
60
61            case 'wrap_cut':
62                $$_key = (bool)$_val;
63                break;
64
65            default:
66                $smarty->trigger_error("textformat: unknown attribute '$_key'");
67        }
68    }
69
70    if ($style == 'email') {
71        $wrap = 72;
72    }
73
74    // split into paragraphs
75    $_paragraphs = preg_split('![\r\n][\r\n]!',$content);
76    $_output = '';
77
78    for($_x = 0, $_y = count($_paragraphs); $_x < $_y; $_x++) {
79        if ($_paragraphs[$_x] == '') {
80            continue;
81        }
82        // convert mult. spaces & special chars to single space
83        $_paragraphs[$_x] = preg_replace(array('!\s+!','!(^\s+)|(\s+$)!'), array(' ',''), $_paragraphs[$_x]);
84        // indent first line
85        if($indent_first > 0) {
86            $_paragraphs[$_x] = str_repeat($indent_char, $indent_first) . $_paragraphs[$_x];
87        }
88        // wordwrap sentences
89        $_paragraphs[$_x] = wordwrap($_paragraphs[$_x], $wrap - $indent, $wrap_char, $wrap_cut);
90        // indent lines
91        if($indent > 0) {
92            $_paragraphs[$_x] = preg_replace('!^!m', str_repeat($indent_char, $indent), $_paragraphs[$_x]);
93        }
94    }
95    $_output = implode($wrap_char . $wrap_char, $_paragraphs);
96
97    return $assign ? $smarty->assign($assign, $_output) : $_output;
98
99}
100
101/* vim: set expandtab: */
102
103?>
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