| [ Index ] |
|
Code source de PRADO 3.0.6 |
1 <?php 2 /* vim: set expandtab tabstop=4 shiftwidth=4: */ 3 // 4 // +----------------------------------------------------------------------+ 5 // | PHP Version 4 | 6 // +----------------------------------------------------------------------+ 7 // | Copyright (c) 1997-2002 The PHP Group | 8 // +----------------------------------------------------------------------+ 9 // | This source file is subject to version 2.02 of the PHP license, | 10 // | that is bundled with this package in the file LICENSE, and is | 11 // | available at through the world-wide-web at | 12 // | http://www.php.net/license/3_0.txt. | 13 // | If you did not receive a copy of the PHP license and are unable to | 14 // | obtain it through the world-wide-web, please send a note to | 15 // | license@php.net so we can mail you a copy immediately. | 16 // +----------------------------------------------------------------------+ 17 // | Authors: Alexander Zhukov <alex@veresk.ru> Original port from Python | 18 // | Authors: Harry Fuecks <hfuecks@phppatterns.com> Port to PEAR + more | 19 // | Authors: Many @ Sitepointforums Advanced PHP Forums | 20 // +----------------------------------------------------------------------+ 21 // 22 // $Id: States.php 1397 2006-09-07 07:55:53Z wei $ 23 // 24 /** 25 * Parsing states. 26 * @package System.Security.SafeHtml 27 * @version $Id: States.php 1397 2006-09-07 07:55:53Z wei $ 28 */ 29 /** 30 * Define parser states 31 */ 32 /*define('TSAX3_STATE_STOP', 0); 33 define('TSAX3_STATE_START', 1); 34 define('TSAX3_STATE_TAG', 2); 35 define('TSAX3_STATE_OPENING_TAG', 3); 36 define('TSAX3_STATE_CLOSING_TAG', 4); 37 define('TSAX3_STATE_ESCAPE', 6); 38 define('TSAX3_STATE_JASP', 7); 39 define('TSAX3_STATE_PI', 8); 40 */ 41 /** 42 * StartingState searches for the start of any XML tag 43 * @package System.Security.SafeHtml 44 * @access protected 45 */ 46 class TSax3_StartingState { 47 /** 48 * @param TSax3_StateParser subclass 49 * @return constant TSAX3_STATE_TAG 50 * @access protected 51 */ 52 function parse(&$context) { 53 $data = $context->scanUntilString('<'); 54 if ($data != '') { 55 $context->handler_object_data-> 56 {$context->handler_method_data}($context->htmlsax, $data); 57 } 58 $context->IgnoreCharacter(); 59 return TSax3_StateParser::TSAX3_STATE_TAG; 60 } 61 } 62 /** 63 * Decides which state to move one from after StartingState 64 * @package System.Security.SafeHtml 65 * @access protected 66 */ 67 class TSax3_TagState { 68 /** 69 * @param TSax3_StateParser subclass 70 * @return constant the next state to move into 71 * @access protected 72 */ 73 function parse(&$context) { 74 switch($context->ScanCharacter()) { 75 case '/': 76 return TSax3_StateParser::TSAX3_STATE_CLOSING_TAG; 77 break; 78 case '?': 79 return TSax3_StateParser::TSAX3_STATE_PI; 80 break; 81 case '%': 82 return TSax3_StateParser::TSAX3_STATE_JASP; 83 break; 84 case '!': 85 return TSax3_StateParser::TSAX3_STATE_ESCAPE; 86 break; 87 default: 88 $context->unscanCharacter(); 89 return TSax3_StateParser::TSAX3_STATE_OPENING_TAG; 90 } 91 } 92 } 93 /** 94 * Dealing with closing XML tags 95 * @package System.Security.SafeHtml 96 * @access protected 97 */ 98 class TSax3_ClosingTagState { 99 /** 100 * @param TSax3_StateParser subclass 101 * @return constant TSAX3_STATE_START 102 * @access protected 103 */ 104 function parse(&$context) { 105 $tag = $context->scanUntilCharacters('/>'); 106 if ($tag != '') { 107 $char = $context->scanCharacter(); 108 if ($char == '/') { 109 $char = $context->scanCharacter(); 110 if ($char != '>') { 111 $context->unscanCharacter(); 112 } 113 } 114 $context->handler_object_element-> 115 {$context->handler_method_closing}($context->htmlsax, $tag, FALSE); 116 } 117 return TSax3_StateParser::TSAX3_STATE_START; 118 } 119 } 120 /** 121 * Dealing with opening XML tags 122 * @package System.Security.SafeHtml 123 * @access protected 124 */ 125 class TSax3_OpeningTagState { 126 /** 127 * Handles attributes 128 * @param string attribute name 129 * @param string attribute value 130 * @return void 131 * @access protected 132 * @see TSax3_AttributeStartState 133 */ 134 function parseAttributes(&$context) { 135 $Attributes = array(); 136 137 $context->ignoreWhitespace(); 138 $attributename = $context->scanUntilCharacters("=/> \n\r\t"); 139 while ($attributename != '') { 140 $attributevalue = NULL; 141 $context->ignoreWhitespace(); 142 $char = $context->scanCharacter(); 143 if ($char == '=') { 144 $context->ignoreWhitespace(); 145 $char = $context->ScanCharacter(); 146 if ($char == '"') { 147 $attributevalue= $context->scanUntilString('"'); 148 $context->IgnoreCharacter(); 149 } else if ($char == "'") { 150 $attributevalue = $context->scanUntilString("'"); 151 $context->IgnoreCharacter(); 152 } else { 153 $context->unscanCharacter(); 154 $attributevalue = 155 $context->scanUntilCharacters("> \n\r\t"); 156 } 157 } else if ($char !== NULL) { 158 $attributevalue = NULL; 159 $context->unscanCharacter(); 160 } 161 $Attributes[$attributename] = $attributevalue; 162 163 $context->ignoreWhitespace(); 164 $attributename = $context->scanUntilCharacters("=/> \n\r\t"); 165 } 166 return $Attributes; 167 } 168 169 /** 170 * @param TSax3_StateParser subclass 171 * @return constant TSAX3_STATE_START 172 * @access protected 173 */ 174 function parse(&$context) { 175 $tag = $context->scanUntilCharacters("/> \n\r\t"); 176 if ($tag != '') { 177 $this->attrs = array(); 178 $Attributes = $this->parseAttributes($context); 179 $char = $context->scanCharacter(); 180 if ($char == '/') { 181 $char = $context->scanCharacter(); 182 if ($char != '>') { 183 $context->unscanCharacter(); 184 } 185 $context->handler_object_element-> 186 {$context->handler_method_opening}($context->htmlsax, $tag, 187 $Attributes, TRUE); 188 $context->handler_object_element-> 189 {$context->handler_method_closing}($context->htmlsax, $tag, 190 TRUE); 191 } else { 192 $context->handler_object_element-> 193 {$context->handler_method_opening}($context->htmlsax, $tag, 194 $Attributes, FALSE); 195 } 196 } 197 return TSax3_StateParser::TSAX3_STATE_START; 198 } 199 } 200 201 /** 202 * Deals with XML escapes handling comments and CDATA correctly 203 * @package System.Security.SafeHtml 204 * @access protected 205 */ 206 class TSax3_EscapeState { 207 /** 208 * @param TSax3_StateParser subclass 209 * @return constant TSAX3_STATE_START 210 * @access protected 211 */ 212 function parse(&$context) { 213 $char = $context->ScanCharacter(); 214 if ($char == '-') { 215 $char = $context->ScanCharacter(); 216 if ($char == '-') { 217 $context->unscanCharacter(); 218 $context->unscanCharacter(); 219 $text = $context->scanUntilString('-->'); 220 $text .= $context->scanCharacter(); 221 $text .= $context->scanCharacter(); 222 } else { 223 $context->unscanCharacter(); 224 $text = $context->scanUntilString('>'); 225 } 226 } else if ( $char == '[') { 227 $context->unscanCharacter(); 228 $text = $context->scanUntilString(']>'); 229 $text.= $context->scanCharacter(); 230 } else { 231 $context->unscanCharacter(); 232 $text = $context->scanUntilString('>'); 233 } 234 235 $context->IgnoreCharacter(); 236 if ($text != '') { 237 $context->handler_object_escape-> 238 {$context->handler_method_escape}($context->htmlsax, $text); 239 } 240 return TSax3_StateParser::TSAX3_STATE_START; 241 } 242 } 243 /** 244 * Deals with JASP/ASP markup 245 * @package System.Security.SafeHtml 246 * @access protected 247 */ 248 class TSax3_JaspState { 249 /** 250 * @param TSax3_StateParser subclass 251 * @return constant TSAX3_STATE_START 252 * @access protected 253 */ 254 function parse(&$context) { 255 $text = $context->scanUntilString('%>'); 256 if ($text != '') { 257 $context->handler_object_jasp-> 258 {$context->handler_method_jasp}($context->htmlsax, $text); 259 } 260 $context->IgnoreCharacter(); 261 $context->IgnoreCharacter(); 262 return TSax3_StateParser::TSAX3_STATE_START; 263 } 264 } 265 /** 266 * Deals with XML processing instructions 267 * @package System.Security.SafeHtml 268 * @access protected 269 */ 270 class TSax3_PiState { 271 /** 272 * @param TSax3_StateParser subclass 273 * @return constant TSAX3_STATE_START 274 * @access protected 275 */ 276 function parse(&$context) { 277 $target = $context->scanUntilCharacters(" \n\r\t"); 278 $data = $context->scanUntilString('?>'); 279 if ($data != '') { 280 $context->handler_object_pi-> 281 {$context->handler_method_pi}($context->htmlsax, $target, $data); 282 } 283 $context->IgnoreCharacter(); 284 $context->IgnoreCharacter(); 285 return TSax3_StateParser::TSAX3_STATE_START; 286 } 287 } 288 ?>
titre
Description
Corps
titre
Description
Corps
titre
Description
Corps
titre
Corps
| Généré le : Sun Feb 25 21:07:04 2007 | par Balluche grâce à PHPXref 0.7 |