1 | <?php |
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2 | /** |
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3 | * Smarty plugin to format text blocks |
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4 | * |
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5 | * @package Smarty |
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6 | * @subpackage PluginsBlock |
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7 | */ |
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8 | |
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9 | /** |
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10 | * Smarty {textformat}{/textformat} block plugin |
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11 | * |
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12 | * Type: block function<br> |
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13 | * Name: textformat<br> |
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14 | * Purpose: format text a certain way with preset styles |
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15 | * or custom wrap/indent settings<br> |
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16 | * Params: |
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17 | * <pre> |
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18 | * - style - string (email) |
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19 | * - indent - integer (0) |
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20 | * - wrap - integer (80) |
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21 | * - wrap_char - string ("\n") |
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22 | * - indent_char - string (" ") |
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23 | * - wrap_boundary - boolean (true) |
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24 | * </pre> |
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25 | * |
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26 | * @link http://www.smarty.net/manual/en/language.function.textformat.php {textformat} |
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27 | * (Smarty online manual) |
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28 | * @param array $params parameters |
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29 | * @param string $content contents of the block |
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30 | * @param Smarty_Internal_Template $template template object |
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31 | * @param boolean &$repeat repeat flag |
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32 | * @return string content re-formatted |
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33 | * @author Monte Ohrt <monte at ohrt dot com> |
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34 | */ |
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35 | function smarty_block_textformat($params, $content, $template, &$repeat) |
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36 | { |
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37 | if (is_null($content)) { |
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38 | return; |
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39 | } |
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40 | |
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41 | $style = null; |
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42 | $indent = 0; |
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43 | $indent_first = 0; |
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44 | $indent_char = ' '; |
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45 | $wrap = 80; |
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46 | $wrap_char = "\n"; |
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47 | $wrap_cut = false; |
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48 | $assign = null; |
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49 | |
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50 | foreach ($params as $_key => $_val) { |
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51 | switch ($_key) { |
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52 | case 'style': |
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53 | case 'indent_char': |
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54 | case 'wrap_char': |
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55 | case 'assign': |
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56 | $$_key = (string)$_val; |
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57 | break; |
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58 | |
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59 | case 'indent': |
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60 | case 'indent_first': |
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61 | case 'wrap': |
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62 | $$_key = (int)$_val; |
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63 | break; |
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64 | |
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65 | case 'wrap_cut': |
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66 | $$_key = (bool)$_val; |
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67 | break; |
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68 | |
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69 | default: |
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70 | trigger_error("textformat: unknown attribute '$_key'"); |
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71 | } |
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72 | } |
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73 | |
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74 | if ($style == 'email') { |
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75 | $wrap = 72; |
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76 | } |
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77 | // split into paragraphs |
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78 | $_paragraphs = preg_split('![\r\n]{2}!', $content); |
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79 | $_output = ''; |
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80 | |
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81 | |
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82 | foreach ($_paragraphs as &$_paragraph) { |
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83 | if (!$_paragraph) { |
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84 | continue; |
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85 | } |
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86 | // convert mult. spaces & special chars to single space |
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87 | $_paragraph = preg_replace(array('!\s+!' . Smarty::$_UTF8_MODIFIER, '!(^\s+)|(\s+$)!' . Smarty::$_UTF8_MODIFIER), array(' ', ''), $_paragraph); |
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88 | // indent first line |
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89 | if ($indent_first > 0) { |
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90 | $_paragraph = str_repeat($indent_char, $indent_first) . $_paragraph; |
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91 | } |
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92 | // wordwrap sentences |
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93 | if (Smarty::$_MBSTRING) { |
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94 | require_once(SMARTY_PLUGINS_DIR . 'shared.mb_wordwrap.php'); |
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95 | $_paragraph = smarty_mb_wordwrap($_paragraph, $wrap - $indent, $wrap_char, $wrap_cut); |
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96 | } else { |
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97 | $_paragraph = wordwrap($_paragraph, $wrap - $indent, $wrap_char, $wrap_cut); |
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98 | } |
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99 | // indent lines |
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100 | if ($indent > 0) { |
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101 | $_paragraph = preg_replace('!^!m', str_repeat($indent_char, $indent), $_paragraph); |
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102 | } |
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103 | } |
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104 | $_output = implode($wrap_char . $wrap_char, $_paragraphs); |
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105 | |
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106 | if ($assign) { |
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107 | $template->assign($assign, $_output); |
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108 | } else { |
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109 | return $_output; |
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110 | } |
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111 | } |
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112 | |
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113 | ?> |
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