1 <?php |
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2 // vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: |
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3 /** |
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4 * Default: Parses for smileys / emoticons tags |
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5 * |
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6 * This class implements a Text_Wiki_Rule to find source text marked as |
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7 * smileys defined by symbols as ':)' , ':-)' or ':smile:' |
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8 * The symbol is replaced with a token. |
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9 * |
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10 * PHP versions 4 and 5 |
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11 * |
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12 * @category Text |
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13 * @package Text_Wiki |
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14 * @author Bertrand Gugger <bertrand@toggg.com> |
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15 * @copyright 2005 bertrand Gugger |
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16 * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 |
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17 * @version CVS: $Id: Smiley.php,v 1.6 2005/10/04 08:17:51 toggg Exp $ |
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18 * @link http://pear.php.net/package/Text_Wiki |
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19 */ |
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20 |
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21 /** |
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22 * Smiley rule parser class for Default. |
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23 * |
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24 * @category Text |
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25 * @package Text_Wiki |
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26 * @author Bertrand Gugger <bertrand@toggg.com> |
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27 * @copyright 2005 bertrand Gugger |
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28 * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1 |
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29 * @version Release: @package_version@ |
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30 * @link http://pear.php.net/package/Text_Wiki |
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31 * @see Text_Wiki_Parse::Text_Wiki_Parse() |
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32 */ |
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33 class Text_Wiki_Parse_Smiley extends Text_Wiki_Parse { |
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34 |
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35 /** |
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36 * Configuration keys for this rule |
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37 * 'smileys' => array Smileys recognized by this rule, symbols key definitions: |
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38 * 'symbol' => array ( 'name', 'description' [, 'variante', ...] ) as |
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39 * ':)' => array('smile', 'Smile'), |
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40 * ':D' => array('biggrin', 'Very Happy',':grin:'), |
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41 * the eventual elements after symbol and description are variantes |
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42 * |
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43 * 'auto_nose' => boolean enabling the auto nose feature: |
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44 * auto build a variante for 2 chars symbols by inserting a '-' as ':)' <=> ':-)' |
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45 * |
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46 * @access public |
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47 * @var array 'config-key' => mixed config-value |
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48 */ |
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49 var $conf = array( |
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50 'smileys' => array( |
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51 ':D' => array('biggrin', 'Very Happy', ':grin:'), |
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52 ':)' => array('smile', 'Smile', '(:'), |
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53 ':(' => array('sad', 'Sad', '):'), |
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54 ':o' => array('surprised', 'Surprised', ':eek:', 'o:'), |
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55 ':shock:' => array('eek', 'Shocked'), |
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56 ':?' => array('confused', 'Confused', ':???:'), |
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57 '8)' => array('cool', 'Cool', '(8'), |
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58 ':lol:' => array('lol', 'Laughing'), |
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59 ':x' => array('mad', 'Mad'), |
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60 ':P' => array('razz', 'Razz'), |
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61 ':oops:' => array('redface', 'Embarassed'), |
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62 ':cry:' => array('cry', 'Crying or Very sad'), |
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63 ':evil:' => array('evil', 'Evil or Very Mad'), |
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64 ':twisted:' => array('twisted', 'Twisted Evil'), |
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65 ':roll:' => array('rolleyes', 'Rolling Eyes'), |
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66 ';)' => array('wink', 'Wink', '(;'), |
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67 ':!:' => array('exclaim', 'Exclamation'), |
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68 ':?:' => array('question', 'Question'), |
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69 ':idea:' => array('idea', 'Idea'), |
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70 ':arrow:' => array('arrow', 'Arrow'), |
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71 ':|' => array('neutral', 'Neutral', '|:'), |
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72 ':mrgreen:' => array('mrgreen', 'Mr. Green'), |
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73 ), |
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74 'auto_nose' => true |
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75 ); |
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76 |
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77 /** |
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78 * Definition array of smileys, variantes references their model |
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79 * 'symbol' => array ( 'name', 'description') |
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80 * |
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81 * @access private |
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82 * @var array 'config-key' => mixed config-value |
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83 */ |
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84 var $_smileys = array(); |
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85 |
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86 /** |
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87 * Constructor. |
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88 * We override the constructor to build up the regex from config |
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89 * |
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90 * @param object &$obj the base conversion handler |
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91 * @return The parser object |
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92 * @access public |
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93 */ |
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94 function Text_Wiki_Parse_Smiley(&$obj) |
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95 { |
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96 $default = $this->conf; |
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97 parent::Text_Wiki_Parse($obj); |
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98 |
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99 // read the list of smileys to sort out variantes and :xxx: while building the regexp |
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100 $this->_smileys = $this->getConf('smileys', $default['smileys']); |
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101 $autoNose = $this->getConf('auto_nose', $default['auto_nose']); |
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102 $reg1 = $reg2 = ''; |
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103 $sep1 = ':(?:'; |
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104 $sep2 = ''; |
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105 foreach ($this->_smileys as $smiley => $def) { |
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106 for ($i = 1; $i < count($def); $i++) { |
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107 if ($i > 1) { |
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108 $cur = $def[$i]; |
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109 $this->_smileys[$cur] = &$this->_smileys[$smiley]; |
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110 } else { |
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111 $cur = $smiley; |
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112 } |
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113 $len = strlen($cur); |
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114 if (($cur{0} == ':') && ($len > 2) && ($cur{$len - 1} == ':')) { |
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115 $reg1 .= $sep1 . preg_quote(substr($cur, 1, -1), '#'); |
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116 $sep1 = '|'; |
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117 continue; |
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118 } |
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119 if ($autoNose && ($len === 2)) { |
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120 $variante = $cur{0} . '-' . $cur{1}; |
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121 $this->_smileys[$variante] = &$this->_smileys[$smiley]; |
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122 $cur = preg_quote($cur{0}, '#') . '-?' . preg_quote($cur{1}, '#'); |
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123 } else { |
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124 $cur = preg_quote($cur, '#'); |
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125 } |
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126 $reg2 .= $sep2 . $cur; |
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127 $sep2 = '|'; |
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128 } |
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129 } |
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130 $delim = '[\n\r\s' . $this->wiki->delim . '$^]'; |
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131 $this->regex = '#(?<=' . $delim . |
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132 ')(' . ($reg1 ? $reg1 . '):' . ($reg2 ? '|' : '') : '') . $reg2 . |
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133 ')(?=' . $delim . ')#i'; |
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134 } |
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135 |
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136 /** |
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137 * Generates a replacement token for the matched text. Token options are: |
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138 * 'symbol' => the original marker |
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139 * 'name' => the name of the smiley |
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140 * 'desc' => the description of the smiley |
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141 * |
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142 * @param array &$matches The array of matches from parse(). |
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143 * @return string Delimited token representing the smiley |
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144 * @access public |
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145 */ |
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146 function process(&$matches) |
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147 { |
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148 // tokenize |
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149 return $this->wiki->addToken($this->rule, |
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150 array( |
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151 'symbol' => $matches[1], |
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152 'name' => $this->_smileys[$matches[1]][0], |
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153 'desc' => $this->_smileys[$matches[1]][1] |
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154 )); |
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155 } |
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156 } |
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157 ?> |
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