[44] | 1 | <?php
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| 2 | /**
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| 3 | * Smarty plugin
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| 4 | * @package Smarty
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| 5 | * @subpackage plugins
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| 6 | */
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| 7 |
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| 8 | /**
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| 9 | * Smarty {textformat}{/textformat} block plugin
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| 10 | *
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| 11 | * Type: block function<br>
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| 12 | * Name: textformat<br>
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| 13 | * Purpose: format text a certain way with preset styles
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| 14 | * or custom wrap/indent settings<br>
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| 15 | * @link http://smarty.php.net/manual/en/language.function.textformat.php {textformat}
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| 16 | * (Smarty online manual)
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| 17 | * @param array
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| 18 | * <pre>
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| 19 | * Params: style: string (email)
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| 20 | * indent: integer (0)
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| 21 | * wrap: integer (80)
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| 22 | * wrap_char string ("\n")
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| 23 | * indent_char: string (" ")
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| 24 | * wrap_boundary: boolean (true)
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| 25 | * </pre>
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| 26 | * @author Monte Ohrt <monte at ohrt dot com>
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| 27 | * @param string contents of the block
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| 28 | * @param Smarty clever simulation of a method
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| 29 | * @return string string $content re-formatted
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| 30 | */
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| 31 | function smarty_block_textformat($params, $content, &$smarty)
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| 32 | {
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| 33 | if (is_null($content)) {
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| 34 | return;
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| 35 | }
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| 36 |
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| 37 | $style = null;
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| 38 | $indent = 0;
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| 39 | $indent_first = 0;
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| 40 | $indent_char = ' ';
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| 41 | $wrap = 80;
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| 42 | $wrap_char = "\n";
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| 43 | $wrap_cut = false;
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| 44 | $assign = null;
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| 45 |
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| 46 | foreach ($params as $_key => $_val) {
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| 47 | switch ($_key) {
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| 48 | case 'style':
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| 49 | case 'indent_char':
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| 50 | case 'wrap_char':
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| 51 | case 'assign':
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| 52 | $$_key = (string)$_val;
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| 53 | break;
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| 54 |
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| 55 | case 'indent':
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| 56 | case 'indent_first':
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| 57 | case 'wrap':
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| 58 | $$_key = (int)$_val;
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| 59 | break;
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| 60 |
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| 61 | case 'wrap_cut':
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| 62 | $$_key = (bool)$_val;
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| 63 | break;
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| 64 |
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| 65 | default:
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| 66 | $smarty->trigger_error("textformat: unknown attribute '$_key'");
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| 67 | }
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| 68 | }
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| 69 |
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| 70 | if ($style == 'email') {
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| 71 | $wrap = 72;
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| 72 | }
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| 73 |
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| 74 | // split into paragraphs
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| 75 | $_paragraphs = preg_split('![\r\n][\r\n]!',$content);
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| 76 | $_output = '';
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| 77 |
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| 78 | for($_x = 0, $_y = count($_paragraphs); $_x < $_y; $_x++) {
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| 79 | if ($_paragraphs[$_x] == '') {
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| 80 | continue;
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| 81 | }
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| 82 | // convert mult. spaces & special chars to single space
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| 83 | $_paragraphs[$_x] = preg_replace(array('!\s+!','!(^\s+)|(\s+$)!'), array(' ',''), $_paragraphs[$_x]);
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| 84 | // indent first line
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| 85 | if($indent_first > 0) {
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| 86 | $_paragraphs[$_x] = str_repeat($indent_char, $indent_first) . $_paragraphs[$_x];
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| 87 | }
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| 88 | // wordwrap sentences
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| 89 | $_paragraphs[$_x] = wordwrap($_paragraphs[$_x], $wrap - $indent, $wrap_char, $wrap_cut);
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| 90 | // indent lines
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| 91 | if($indent > 0) {
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| 92 | $_paragraphs[$_x] = preg_replace('!^!m', str_repeat($indent_char, $indent), $_paragraphs[$_x]);
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| 93 | }
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| 94 | }
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| 95 | $_output = implode($wrap_char . $wrap_char, $_paragraphs);
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| 96 |
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| 97 | return $assign ? $smarty->assign($assign, $_output) : $_output;
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| 98 |
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| 99 | }
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| 100 |
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| 101 | /* vim: set expandtab: */
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| 102 |
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| 103 | ?>
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