1 | <?php |
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2 | # -- BEGIN LICENSE BLOCK --------------------------------------- |
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3 | # |
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4 | # This file is part of Dotclear 2. |
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5 | # |
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6 | # Copyright (c) 2003-2011 Olivier Meunier & Association Dotclear |
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7 | # Licensed under the GPL version 2.0 license. |
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8 | # See LICENSE file or |
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9 | # http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
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10 | # |
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11 | # -- END LICENSE BLOCK ----------------------------------------- |
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12 | if (!defined('DC_RC_PATH')) { return; } |
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13 | |
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14 | class context |
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15 | { |
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16 | public $stack = array(); |
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17 | |
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18 | public function __set($name,$var) |
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19 | { |
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20 | if ($var === null) { |
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21 | $this->pop($name); |
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22 | } else { |
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23 | $this->stack[$name][] =& $var; |
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24 | if ($var instanceof record) { |
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25 | $this->stack['cur_loop'][] =& $var; |
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26 | } |
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27 | } |
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28 | } |
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29 | |
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30 | public function __get($name) |
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31 | { |
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32 | if (!isset($this->stack[$name])) { |
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33 | return null; |
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34 | } |
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35 | |
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36 | $n = count($this->stack[$name]); |
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37 | if ($n > 0) { |
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38 | return $this->stack[$name][($n-1)]; |
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39 | } |
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40 | |
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41 | return null; |
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42 | } |
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43 | |
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44 | public function exists($name) |
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45 | { |
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46 | return isset($this->stack[$name][0]); |
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47 | } |
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48 | |
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49 | public function pop($name) |
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50 | { |
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51 | if (isset($this->stack[$name])) { |
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52 | $v = array_pop($this->stack[$name]); |
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53 | if ($v instanceof record) { |
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54 | array_pop($this->stack['cur_loop']); |
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55 | } |
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56 | unset($v); |
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57 | } |
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58 | } |
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59 | |
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60 | # Loop position tests |
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61 | public function loopPosition($start,$length=null,$even=null) |
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62 | { |
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63 | if (!$this->cur_loop) { |
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64 | return false; |
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65 | } |
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66 | |
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67 | $index = $this->cur_loop->index(); |
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68 | $size = $this->cur_loop->count(); |
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69 | |
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70 | $test = false; |
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71 | if ($start >= 0) |
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72 | { |
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73 | $test = $index >= $start; |
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74 | if ($length !== null) { |
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75 | if ($length >= 0) { |
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76 | $test = $test && $index < $start + $length; |
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77 | } else { |
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78 | $test = $test && $index < $size + $length; |
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79 | } |
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80 | } |
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81 | } |
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82 | else |
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83 | { |
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84 | $test = $index >= $size + $start; |
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85 | if ($length !== null) { |
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86 | if ($length >= 0) { |
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87 | $test = $test && $index < $size + $start + $length; |
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88 | } else { |
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89 | $test = $test && $index < $size + $length; |
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90 | } |
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91 | } |
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92 | } |
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93 | |
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94 | if ($even !== null) { |
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95 | $test = $test && $index%2 == $even; |
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96 | } |
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97 | |
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98 | return $test; |
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99 | } |
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100 | |
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101 | |
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102 | # Static methods |
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103 | public static function global_filter($str, |
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104 | $encode_xml, $remove_html, $cut_string, $lower_case, $upper_case ,$tag='') |
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105 | { |
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106 | $args = func_get_args(); |
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107 | array_pop($args); |
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108 | $args[0] =& $str; |
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109 | |
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110 | # --BEHAVIOR-- publicBeforeContentFilter |
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111 | $res = $GLOBALS['core']->callBehavior('publicBeforeContentFilter',$GLOBALS['core'],$tag,$args); |
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112 | |
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113 | if ($remove_html) { |
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114 | $str = self::remove_html($str); |
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115 | $str = preg_replace('/\s+/',' ',$str); |
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116 | } |
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117 | |
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118 | if ($encode_xml) { |
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119 | $str = self::encode_xml($str); |
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120 | } |
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121 | |
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122 | if ($cut_string) { |
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123 | $str = self::cut_string($str,(integer) $cut_string); |
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124 | } |
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125 | |
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126 | if ($lower_case) { |
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127 | $str = self::lower_case($str); |
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128 | } elseif ($upper_case) { |
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129 | if ($upper_case == 2) { |
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130 | $str = self::capitalize($str); |
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131 | } else { |
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132 | $str = self::upper_case($str); |
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133 | } |
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134 | } |
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135 | |
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136 | # --BEHAVIOR-- publicAfterContentFilter |
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137 | $res = $GLOBALS['core']->callBehavior('publicAfterContentFilter',$GLOBALS['core'],$tag,$args); |
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138 | |
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139 | return $str; |
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140 | } |
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141 | |
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142 | |
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143 | public static function cut_string($str,$l) |
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144 | { |
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145 | return text::cutString($str,$l); |
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146 | } |
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147 | |
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148 | public static function encode_xml($str) |
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149 | { |
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150 | return html::escapeHTML($str); |
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151 | } |
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152 | |
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153 | public static function remove_html($str) |
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154 | { |
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155 | return html::decodeEntities(html::clean($str)); |
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156 | } |
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157 | |
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158 | public static function lower_case($str) |
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159 | { |
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160 | return mb_strtolower($str); |
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161 | } |
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162 | |
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163 | public static function upper_case($str) |
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164 | { |
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165 | return mb_strtoupper($str); |
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166 | } |
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167 | |
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168 | public static function capitalize($str) |
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169 | { |
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170 | if ($str != '') { |
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171 | $str[0] = mb_strtoupper($str[0]); |
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172 | } |
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173 | return $str; |
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174 | } |
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175 | |
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176 | public static function categoryPostParam(&$p) |
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177 | { |
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178 | $not = substr($p['cat_url'],0,1) == '!'; |
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179 | if ($not) { |
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180 | $p['cat_url'] = substr($p['cat_url'],1); |
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181 | } |
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182 | |
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183 | $p['cat_url'] = preg_split('/\s*,\s*/',$p['cat_url'],-1,PREG_SPLIT_NO_EMPTY); |
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184 | |
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185 | foreach ($p['cat_url'] as &$v) |
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186 | { |
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187 | if ($not) { |
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188 | $v .= ' ?not'; |
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189 | } |
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190 | if ($GLOBALS['_ctx']->exists('categories') && preg_match('/#self/',$v)) { |
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191 | $v = preg_replace('/#self/',$GLOBALS['_ctx']->categories->cat_url,$v); |
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192 | } elseif ($GLOBALS['_ctx']->exists('posts') && preg_match('/#self/',$v)) { |
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193 | $v = preg_replace('/#self/',$GLOBALS['_ctx']->posts->cat_url,$v); |
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194 | } |
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195 | } |
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196 | } |
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197 | |
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198 | # Static methods for pagination |
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199 | public static function PaginationNbPages() |
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200 | { |
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201 | global $_ctx; |
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202 | |
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203 | if ($_ctx->pagination === null) { |
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204 | return false; |
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205 | } |
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206 | |
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207 | $nb_posts = $_ctx->pagination->f(0); |
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208 | $nb_per_page = $_ctx->post_params['limit'][1]; |
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209 | |
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210 | $nb_pages = ceil($nb_posts/$nb_per_page); |
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211 | |
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212 | return $nb_pages; |
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213 | } |
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214 | |
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215 | public static function PaginationPosition($offset=0) |
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216 | { |
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217 | if (isset($GLOBALS['_page_number'])) { |
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218 | $p = $GLOBALS['_page_number']; |
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219 | } else { |
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220 | $p = 1; |
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221 | } |
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222 | |
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223 | $p = $p+$offset; |
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224 | |
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225 | $n = self::PaginationNbPages(); |
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226 | if (!$n) { |
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227 | return $p; |
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228 | } |
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229 | |
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230 | if ($p > $n || $p <= 0) { |
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231 | return 1; |
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232 | } else { |
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233 | return $p; |
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234 | } |
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235 | } |
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236 | |
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237 | public static function PaginationStart() |
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238 | { |
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239 | if (isset($GLOBALS['_page_number'])) { |
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240 | return self::PaginationPosition() == 1; |
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241 | } |
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242 | |
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243 | return true; |
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244 | } |
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245 | |
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246 | public static function PaginationEnd() |
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247 | { |
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248 | if (isset($GLOBALS['_page_number'])) { |
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249 | return self::PaginationPosition() == self::PaginationNbPages(); |
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250 | } |
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251 | |
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252 | return false; |
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253 | } |
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254 | |
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255 | public static function PaginationURL($offset=0) |
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256 | { |
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257 | $args = $_SERVER['URL_REQUEST_PART']; |
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258 | |
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259 | $n = self::PaginationPosition($offset); |
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260 | |
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261 | $args = preg_replace('#(^|/)page/([0-9]+)$#','',$args); |
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262 | |
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263 | $url = $GLOBALS['core']->blog->url.$args; |
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264 | |
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265 | if ($n > 1) { |
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266 | $url = preg_replace('#/$#','',$url); |
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267 | $url .= '/page/'.$n; |
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268 | } |
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269 | |
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270 | # If search param |
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271 | if (!empty($_GET['q'])) { |
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272 | $s = strpos($url,'?') !== false ? '&' : '?'; |
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273 | $url .= $s.'q='.rawurlencode($_GET['q']); |
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274 | } |
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275 | return $url; |
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276 | } |
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277 | |
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278 | # Robots policy |
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279 | public static function robotsPolicy($base,$over) |
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280 | { |
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281 | $pol = array('INDEX' => 'INDEX','FOLLOW' => 'FOLLOW', 'ARCHIVE' => 'ARCHIVE'); |
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282 | $base = array_flip(preg_split('/\s*,\s*/',$base)); |
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283 | $over = array_flip(preg_split('/\s*,\s*/',$over)); |
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284 | |
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285 | foreach ($pol as $k => &$v) |
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286 | { |
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287 | if (isset($base[$k]) || isset($base['NO'.$k])) { |
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288 | $v = isset($base['NO'.$k]) ? 'NO'.$k : $k; |
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289 | } |
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290 | if (isset($over[$k]) || isset($over['NO'.$k])) { |
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291 | $v = isset($over['NO'.$k]) ? 'NO'.$k : $k; |
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292 | } |
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293 | } |
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294 | |
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295 | if ($pol['ARCHIVE'] == 'ARCHIVE') { |
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296 | unset($pol['ARCHIVE']); |
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297 | } |
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298 | |
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299 | return implode(', ',$pol); |
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300 | } |
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301 | |
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302 | # Smilies static methods |
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303 | public static function getSmilies($blog) |
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304 | { |
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305 | $path = array(); |
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306 | if (isset($GLOBALS['__theme'])) { |
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307 | $path[] = $GLOBALS['__theme']; |
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308 | } |
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309 | $path[] = 'default'; |
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310 | $definition = $blog->themes_path.'/%s/smilies/smilies.txt'; |
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311 | $base_url = $blog->settings->system->themes_url.'/%s/smilies/'; |
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312 | |
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313 | $res = array(); |
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314 | |
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315 | foreach ($path as $t) |
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316 | { |
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317 | if (file_exists(sprintf($definition,$t))) { |
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318 | $base_url = sprintf($base_url,$t); |
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319 | return self::smiliesDefinition(sprintf($definition,$t),$base_url); |
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320 | } |
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321 | } |
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322 | return false; |
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323 | } |
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324 | |
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325 | public static function smiliesDefinition($f,$url) |
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326 | { |
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327 | $def = file($f); |
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328 | |
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329 | $res = array(); |
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330 | foreach($def as $v) |
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331 | { |
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332 | $v = trim($v); |
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333 | if (preg_match('|^([^\t]*)[\t]+(.*)$|',$v,$matches)) |
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334 | { |
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335 | $r = '/(\A|[\s]+|>)('.preg_quote($matches[1],'/').')([\s]+|[<]|\Z)/ms'; |
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336 | $s = '$1<img src="'.$url.$matches[2].'" '. |
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337 | 'alt="$2" class="smiley" />$3'; |
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338 | $res[$r] = $s; |
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339 | } |
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340 | } |
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341 | |
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342 | return $res; |
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343 | } |
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344 | |
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345 | public static function addSmilies($str) |
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346 | { |
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347 | if (!isset($GLOBALS['__smilies']) || !is_array($GLOBALS['__smilies'])) { |
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348 | return $str; |
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349 | } |
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350 | |
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351 | # Process part adapted from SmartyPants engine (J. Gruber et al.) : |
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352 | |
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353 | $tokens = self::tokenizeHTML($str); |
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354 | $result = ''; |
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355 | $in_pre = 0; # Keep track of when we're inside <pre> or <code> tags. |
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356 | |
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357 | foreach ($tokens as $cur_token) { |
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358 | if ($cur_token[0] == "tag") { |
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359 | # Don't mess with quotes inside tags. |
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360 | $result .= $cur_token[1]; |
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361 | if (preg_match('@<(/?)(?:pre|code|kbd|script|math)[\s>]@', $cur_token[1], $matches)) { |
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362 | $in_pre = isset($matches[1]) && $matches[1] == '/' ? 0 : 1; |
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363 | } |
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364 | } else { |
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365 | $t = $cur_token[1]; |
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366 | if (!$in_pre) { |
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367 | $t = preg_replace(array_keys($GLOBALS['__smilies']),array_values($GLOBALS['__smilies']),$t); |
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368 | } |
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369 | $result .= $t; |
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370 | } |
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371 | } |
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372 | |
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373 | return $result; |
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374 | } |
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375 | |
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376 | private static function tokenizeHTML($str) |
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377 | { |
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378 | # Function from SmartyPants engine (J. Gruber et al.) |
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379 | # |
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380 | # Parameter: String containing HTML markup. |
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381 | # Returns: An array of the tokens comprising the input |
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382 | # string. Each token is either a tag (possibly with nested, |
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383 | # tags contained therein, such as <a href="<MTFoo>">, or a |
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384 | # run of text between tags. Each element of the array is a |
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385 | # two-element array; the first is either 'tag' or 'text'; |
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386 | # the second is the actual value. |
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387 | # |
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388 | # |
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389 | # Regular expression derived from the _tokenize() subroutine in |
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390 | # Brad Choate's MTRegex plugin. |
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391 | # <http://www.bradchoate.com/past/mtregex.php> |
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392 | # |
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393 | $index = 0; |
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394 | $tokens = array(); |
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395 | |
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396 | $match = '(?s:<!(?:--.*?--\s*)+>)|'. # comment |
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397 | '(?s:<\?.*?\?>)|'. # processing instruction |
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398 | # regular tags |
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399 | '(?:<[/!$]?[-a-zA-Z0-9:]+\b(?>[^"\'>]+|"[^"]*"|\'[^\']*\')*>)'; |
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400 | |
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401 | $parts = preg_split("{($match)}", $str, -1, PREG_SPLIT_DELIM_CAPTURE); |
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402 | |
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403 | foreach ($parts as $part) { |
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404 | if (++$index % 2 && $part != '') |
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405 | $tokens[] = array('text', $part); |
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406 | else |
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407 | $tokens[] = array('tag', $part); |
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408 | } |
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409 | return $tokens; |
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410 | } |
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411 | |
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412 | |
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413 | # First post image helpers |
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414 | public static function EntryFirstImageHelper($size,$with_category,$class="",$no_tag=false,$content_only=false,$cat_only=false) |
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415 | { |
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416 | global $core, $_ctx; |
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417 | |
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418 | $media = new dcMedia($core); |
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419 | $sizes = implode('|',array_keys($media->thumb_sizes)).'|o'; |
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420 | if (!preg_match('/^'.$sizes.'$/',$size)) { |
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421 | $size = 's'; |
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422 | } |
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423 | $p_url = $core->blog->settings->system->public_url; |
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424 | $p_site = preg_replace('#^(.+?//.+?)/(.*)$#','$1',$core->blog->url); |
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425 | $p_root = $core->blog->public_path; |
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426 | |
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427 | $pattern = '(?:'.preg_quote($p_site,'/').')?'.preg_quote($p_url,'/'); |
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428 | $pattern = sprintf('/<img.+?src="%s(.*?\.(?:jpg|jpeg|gif|png))"[^>]+/msui',$pattern); |
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429 | |
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430 | $src = ''; |
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431 | $alt = ''; |
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432 | |
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433 | # We first look in post content |
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434 | if (!$cat_only && $_ctx->posts) |
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435 | { |
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436 | $subject = ($content_only ? '' : $_ctx->posts->post_excerpt_xhtml).$_ctx->posts->post_content_xhtml; |
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437 | if (preg_match_all($pattern,$subject,$m) > 0) |
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438 | { |
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439 | foreach ($m[1] as $i => $img) { |
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440 | if (($src = self::ContentFirstImageLookup($p_root,$img,$size)) !== false) { |
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441 | $dirname = str_replace('\\', '/', dirname($img)); |
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442 | $src = $p_url.($dirname != '/' ? $dirname : '').'/'.$src; |
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443 | if (preg_match('/alt="([^"]+)"/',$m[0][$i],$malt)) { |
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444 | $alt = $malt[1]; |
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445 | } |
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446 | break; |
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447 | } |
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448 | } |
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449 | } |
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450 | } |
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451 | |
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452 | # No src, look in category description if available |
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453 | if (!$src && $with_category && $_ctx->categories) |
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454 | { |
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455 | if (preg_match_all($pattern,$_ctx->categories->cat_desc,$m) > 0) |
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456 | { |
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457 | foreach ($m[1] as $i => $img) { |
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458 | if (($src = self::ContentFirstImageLookup($p_root,$img,$size)) !== false) { |
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459 | $dirname = str_replace('\\', '/', dirname($img)); |
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460 | $src = $p_url.($dirname != '/' ? $dirname : '').'/'.$src; |
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461 | if (preg_match('/alt="([^"]+)"/',$m[0][$i],$malt)) { |
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462 | $alt = $malt[1]; |
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463 | } |
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464 | break; |
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465 | } |
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466 | } |
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467 | }; |
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468 | } |
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469 | |
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470 | if ($src) { |
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471 | if ($no_tag) { |
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472 | return $src; |
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473 | } else { |
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474 | return '<img alt="'.$alt.'" src="'.$src.'" class="'.$class.'" />'; |
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475 | } |
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476 | } |
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477 | } |
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478 | |
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479 | private static function ContentFirstImageLookup($root,$img,$size) |
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480 | { |
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481 | global $core; |
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482 | |
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483 | # Get base name and extension |
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484 | $info = path::info($img); |
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485 | $base = $info['base']; |
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486 | |
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487 | $media = new dcMedia($core); |
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488 | $sizes = implode('|',array_keys($media->thumb_sizes)); |
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489 | if (preg_match('/^\.(.+)_('.$sizes.')$/',$base,$m)) { |
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490 | $base = $m[1]; |
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491 | } |
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492 | |
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493 | $res = false; |
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494 | if ($size != 'o' && file_exists($root.'/'.$info['dirname'].'/.'.$base.'_'.$size.'.jpg')) |
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495 | { |
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496 | $res = '.'.$base.'_'.$size.'.jpg'; |
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497 | } |
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498 | else |
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499 | { |
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500 | $f = $root.'/'.$info['dirname'].'/'.$base; |
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501 | if (file_exists($f.'.'.$info['extension'])) { |
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502 | $res = $base.'.'.$info['extension']; |
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503 | } elseif (file_exists($f.'.jpg')) { |
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504 | $res = $base.'.jpg'; |
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505 | } elseif (file_exists($f.'.jpeg')) { |
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506 | $res = $base.'.jpeg'; |
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507 | } elseif (file_exists($f.'.png')) { |
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508 | $res = $base.'.png'; |
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509 | } elseif (file_exists($f.'.gif')) { |
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510 | $res = $base.'.gif'; |
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511 | } elseif (file_exists($f.'.JPG')) { |
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512 | $res = $base.'.JPG'; |
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513 | } elseif (file_exists($f.'.JPEG')) { |
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514 | $res = $base.'.JPEG'; |
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515 | } elseif (file_exists($f.'.PNG')) { |
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516 | $res = $base.'.PNG'; |
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517 | } elseif (file_exists($f.'.GIF')) { |
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518 | $res = $base.'.GIF'; |
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519 | } |
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520 | } |
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521 | |
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522 | if ($res) { |
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523 | return $res; |
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524 | } |
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525 | return false; |
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526 | } |
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527 | } |
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528 | ?> |
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