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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