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1 <?php 2 // 3 // Definition of eZTemplateMultiPassParser class 4 // 5 // Created on: <26-Nov-2002 17:25:44 amos> 6 // 7 // SOFTWARE NAME: eZ publish 8 // SOFTWARE RELEASE: 3.9.0 9 // BUILD VERSION: 17785 10 // COPYRIGHT NOTICE: Copyright (C) 1999-2006 eZ systems AS 11 // SOFTWARE LICENSE: GNU General Public License v2.0 12 // NOTICE: > 13 // This program is free software; you can redistribute it and/or 14 // modify it under the terms of version 2.0 of the GNU General 15 // Public License as published by the Free Software Foundation. 16 // 17 // This program is distributed in the hope that it will be useful, 18 // but WITHOUT ANY WARRANTY; without even the implied warranty of 19 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 // GNU General Public License for more details. 21 // 22 // You should have received a copy of version 2.0 of the GNU General 23 // Public License along with this program; if not, write to the Free 24 // Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 25 // MA 02110-1301, USA. 26 // 27 // 28 29 /*! \file eztemplatemultipassparser.php 30 */ 31 32 /*! 33 \class eZTemplateMultiPassParser eztemplatemultipassparser.php 34 \brief The class eZTemplateMultiPassParser does 35 36 */ 37 38 include_once ( 'lib/eztemplate/classes/eztemplateparser.php' ); 39 include_once ( 'lib/eztemplate/classes/eztemplateelementparser.php' ); 40 include_once ( 'lib/eztemplate/classes/eztemplate.php' ); 41 42 class eZTemplateMultiPassParser extends eZTemplateParser 43 { 44 /*! 45 Constructor 46 */ 47 function eZTemplateMultiPassParser() 48 { 49 $this->ElementParser = eZTemplateElementParser::instance(); 50 } 51 52 53 /*! 54 Parses the template file $sourceText. See the description of this class 55 for more information on the parsing process. 56 57 */ 58 function parse( &$tpl, &$sourceText, &$rootElement, $rootNamespace, &$resourceData ) 59 { 60 $relatedResource = $resourceData['resource']; 61 $relatedTemplateName = $resourceData['template-filename']; 62 63 $currentRoot =& $rootElement; 64 $leftDelimiter = $tpl->LDelim; 65 $rightDelimiter = $tpl->RDelim; 66 $sourceLength = strlen( $sourceText ); 67 $sourcePosition = 0; 68 69 eZDebug::accumulatorStart( 'template_multi_parser_1', 'template_total', 'Template parser: create text elements' ); 70 $textElements = $this->parseIntoTextElements( $tpl, $sourceText, $sourcePosition, 71 $leftDelimiter, $rightDelimiter, $sourceLength, 72 $relatedTemplateName ); 73 eZDebug::accumulatorStop( 'template_multi_parser_1' ); 74 75 eZDebug::accumulatorStart( 'template_multi_parser_2', 'template_total', 'Template parser: remove whitespace' ); 76 $textElements = $this->parseWhitespaceRemoval( $tpl, $textElements ); 77 eZDebug::accumulatorStop( 'template_multi_parser_2' ); 78 79 eZDebug::accumulatorStart( 'template_multi_parser_3', 'template_total', 'Template parser: construct tree' ); 80 $this->parseIntoTree( $tpl, $textElements, $currentRoot, 81 $rootNamespace, $relatedResource, $relatedTemplateName ); 82 eZDebug::accumulatorStop( 'template_multi_parser_3' ); 83 } 84 85 function gotoEndPosition( $text, $line, $column, &$endLine, &$endColumn ) 86 { 87 $lines = preg_split( "#\r\n|\r|\n#", $text ); 88 if ( count( $lines ) > 0 ) 89 { 90 $endLine = $line + count( $lines ) - 1; 91 $lastLine = $lines[count( $lines ) - 1]; 92 if ( count( $lines ) > 1 ) 93 $endColumn = strlen( $lastLine ); 94 else 95 $endColumn = $column + strlen( $lastLine ); 96 } 97 else 98 { 99 $endLine = $line; 100 $endColumn = $column; 101 } 102 } 103 104 function parseIntoTextElements( &$tpl, $sourceText, $sourcePosition, 105 $leftDelimiter, $rightDelimiter, $sourceLength, 106 $relatedTemplateName ) 107 { 108 if ( $tpl->ShowDetails ) 109 eZDebug::addTimingPoint( "Parse pass 1 (simple tag parsing)" ); 110 $currentLine = 1; 111 $currentColumn = 0; 112 $textElements = array(); 113 while( $sourcePosition < $sourceLength ) 114 { 115 $tagPos = strpos( $sourceText, $leftDelimiter, $sourcePosition ); 116 if ( $tagPos === false ) 117 { 118 // No more tags 119 unset( $data ); 120 $data = substr( $sourceText, $sourcePosition ); 121 $this->gotoEndPosition( $data, $currentLine, $currentColumn, $endLine, $endColumn ); 122 $textElements[] = array( "text" => $data, 123 "type" => EZ_ELEMENT_TEXT, 124 'placement' => array( 'templatefile' => $relatedTemplateName, 125 'start' => array( 'line' => $currentLine, 126 'column' => $currentColumn, 127 'position' => $sourcePosition ), 128 'stop' => array( 'line' => $endLine, 129 'column' => $endColumn, 130 'position' => $sourceLength - 1 ) ) ); 131 $sourcePosition = $sourceLength; 132 $currentLine = $endLine; 133 $currentColumn = $endColumn; 134 } 135 else 136 { 137 $blockStart = $tagPos; 138 $tagPos++; 139 if ( $tagPos < $sourceLength and 140 $sourceText[$tagPos] == "*" ) // Comment 141 { 142 $endPos = strpos( $sourceText, "*$rightDelimiter", $tagPos + 1 ); 143 $len = $endPos - $tagPos; 144 if ( $sourcePosition < $blockStart ) 145 { 146 // Add text before tag. 147 unset( $data ); 148 $data = substr( $sourceText, $sourcePosition, $blockStart - $sourcePosition ); 149 $this->gotoEndPosition( $data, $currentLine, $currentColumn, $endLine, $endColumn ); 150 $textElements[] = array( "text" => $data, 151 "type" => EZ_ELEMENT_TEXT, 152 'placement' => array( 'templatefile' => $relatedTemplateName, 153 'start' => array( 'line' => $currentLine, 154 'column' => $currentColumn, 155 'position' => $sourcePosition ), 156 'stop' => array( 'line' => $endLine, 157 'column' => $endColumn, 158 'position' => $blockStart ) ) ); 159 $currentLine = $endLine; 160 $currentColumn = $endColumn; 161 } 162 if ( $endPos === false ) 163 { 164 $endPos = $sourceLength; 165 $blockEnd = $sourceLength; 166 } 167 else 168 { 169 $blockEnd = $endPos + 2; 170 } 171 $comment_text = substr( $sourceText, $tagPos + 1, $endPos - $tagPos - 1 ); 172 $this->gotoEndPosition( $comment_text, $currentLine, $currentColumn, $endLine, $endColumn ); 173 $textElements[] = array( "text" => $comment_text, 174 "type" => EZ_ELEMENT_COMMENT, 175 'placement' => array( 'templatefile' => $relatedTemplateName, 176 'start' => array( 'line' => $currentLine, 177 'column' => $currentColumn, 178 'position' => $tagPos + 1 ), 179 'stop' => array( 'line' => $endLine, 180 'column' => $endColumn, 181 'position' => $endPos - 1 ) ) ); 182 if ( $sourcePosition < $blockEnd ) 183 $sourcePosition = $blockEnd; 184 $currentLine = $endLine; 185 $currentColumn = $endColumn; 186 // eZDebug::writeDebug( "eZTemplate: Comment: $comment" ); 187 } 188 else 189 { 190 $tmp_pos = $tagPos; 191 while( ( $endPos = strpos( $sourceText, $rightDelimiter, $tmp_pos ) ) !== false ) 192 { 193 if ( $sourceText[$endPos-1] != "\\" ) 194 break; 195 $tmp_pos = $endPos + 1; 196 } 197 if ( $endPos === false ) 198 { 199 // Unterminated tag 200 $data = substr( $sourceText, $sourcePosition ); 201 $this->gotoEndPosition( $data, $currentLine, $currentColumn, $endLine, $endColumn ); 202 $textBefore = substr( $sourceText, $sourcePosition, $tagPos - $sourcePosition ); 203 $textPortion = substr( $sourceText, $tagPos ); 204 $this->gotoEndPosition( $textBefore, $currentLine, $currentColumn, $tagStartLine, $tagStartColumn ); 205 $this->gotoEndPosition( $textPortion, $tagStartLine, $tagStartColumn, $tagEndLine, $tagEndColumn ); 206 $tpl->error( "", "parser error @ $relatedTemplateName:$currentLine" . "[$currentColumn]" . "\n" . 207 "Unterminated tag, needs a $rightDelimiter to end the tag.\n" . $leftDelimiter . $textPortion, 208 array( array( $tagStartLine, $tagStartColumn, $tagPosition ), 209 array( $tagEndLine, $tagEndColumn, $sourceLength - 1 ), 210 $relatedTemplateName ) ); 211 $textElements[] = array( "text" => $data, 212 "type" => EZ_ELEMENT_TEXT, 213 'placement' => array( 'templatefile' => $relatedTemplateName, 214 'start' => array( 'line' => $currentLine, 215 'column' => $currentColumn, 216 'position' => $sourcePosition ), 217 'stop' => array( 'line' => $endLine, 218 'column' => $endColumn, 219 'position' => $sourceLength - 1 ) ) ); 220 $sourcePosition = $sourceLength; 221 $currentLine = $endLine; 222 $currentColumn = $endColumn; 223 } 224 else 225 { 226 $blockEnd = $endPos + 1; 227 $len = $endPos - $tagPos; 228 if ( $sourcePosition < $blockStart ) 229 { 230 // Add text before tag. 231 $data = substr( $sourceText, $sourcePosition, $blockStart - $sourcePosition ); 232 $this->gotoEndPosition( $data, $currentLine, $currentColumn, $endLine, $endColumn ); 233 $textElements[] = array( "text" => $data, 234 "type" => EZ_ELEMENT_TEXT, 235 'placement' => array( 'templatefile' => $relatedTemplateName, 236 'start' => array( 'line' => $currentLine, 237 'column' => $currentColumn, 238 'position' => $sourcePosition ), 239 'stop' => array( 'line' => $endLine, 240 'column' => $endColumn, 241 'position' => $blockStart ) ) ); 242 $currentLine = $endLine; 243 $currentColumn = $endColumn; 244 } 245 246 $tag = substr( $sourceText, $tagPos, $len ); 247 $tag = preg_replace( "/\\\\[}]/", "}", $tag ); 248 $tagTrim = trim( $tag ); 249 $isEndTag = false; 250 $isSingleTag = false; 251 252 if ( $tag[0] == "/" ) 253 { 254 $isEndTag = true; 255 $tag = substr( $tag, 1 ); 256 } 257 else if ( $tagTrim[strlen( $tagTrim ) - 1] == "/" ) 258 { 259 $isSingleTag = true; 260 $tagTrim = trim( substr( $tagTrim, 0, strlen( $tagTrim ) - 1 ) ); 261 $tag = $tagTrim; 262 } 263 264 $this->gotoEndPosition( $tag, $currentLine, $currentColumn, $endLine, $endColumn ); 265 if ( $tag[0] == "$" or 266 $tag[0] == "\"" or 267 $tag[0] == "'" or 268 is_numeric( $tag[0] ) or 269 ( $tag[0] == '-' and 270 isset( $tag[1] ) and 271 is_numeric( $tag[1] ) ) or 272 preg_match( "/^[a-z0-9_-]+\(/", $tag ) ) 273 { 274 $textElements[] = array( "text" => $tag, 275 "type" => EZ_ELEMENT_VARIABLE, 276 'placement' => array( 'templatefile' => $relatedTemplateName, 277 'start' => array( 'line' => $currentLine, 278 'column' => $currentColumn, 279 'position' => $blockStart + 1 ), 280 'stop' => array( 'line' => $endLine, 281 'column' => $endColumn, 282 'position' => $blockEnd - 1 ) ) ); 283 } 284 else 285 { 286 $type = EZ_ELEMENT_NORMAL_TAG; 287 if ( $isEndTag ) 288 $type = EZ_ELEMENT_END_TAG; 289 else if ( $isSingleTag ) 290 $type = EZ_ELEMENT_SINGLE_TAG; 291 $spacepos = strpos( $tag, " " ); 292 if ( $spacepos === false ) 293 $name = $tag; 294 else 295 $name = substr( $tag, 0, $spacepos ); 296 if ( isset( $tpl->Literals[$name] ) ) 297 { 298 $literalEndTag = "{/$name}"; 299 $literalEndPos = strpos( $sourceText, $literalEndTag, $blockEnd ); 300 if ( $literalEndPos === false ) 301 $literalEndPos = $sourceLength; 302 $data = substr( $sourceText, $blockEnd, $literalEndPos - $blockEnd ); 303 $this->gotoEndPosition( $data, $currentLine, $currentColumn, $endLine, $endColumn ); 304 $blockEnd = $literalEndPos + strlen( $literalEndTag ); 305 $textElements[] = array( "text" => $data, 306 "type" => EZ_ELEMENT_TEXT, 307 'placement' => false ); 308 } 309 else 310 $textElements[] = array( "text" => $tag, 311 "name" => $name, 312 "type" => $type, 313 'placement' => array( 'templatefile' => $relatedTemplateName, 314 'start' => array( 'line' => $currentLine, 315 'column' => $currentColumn, 316 'position' => $blockStart + 1 ), 317 'stop' => array( 'line' => $endLine, 318 'column' => $endColumn, 319 'position' => $blockEnd - 1 ) ) ); 320 } 321 322 if ( $sourcePosition < $blockEnd ) 323 $sourcePosition = $blockEnd; 324 $currentLine = $endLine; 325 $currentColumn = $endColumn; 326 } 327 } 328 } 329 } 330 return $textElements; 331 } 332 333 function parseWhitespaceRemoval( &$tpl, &$textElements ) 334 { 335 if ( $tpl->ShowDetails ) 336 eZDebug::addTimingPoint( "Parse pass 2 (whitespace removal)" ); 337 $tempTextElements = array(); 338 $textElements[] = null; 339 340 $element = false; 341 foreach( $textElements as $nextElement ) 342 { 343 if ( $element ) 344 { 345 switch ( $element["type"] ) 346 { 347 case EZ_ELEMENT_COMMENT: 348 { 349 // Ignore comments 350 } break; 351 352 case EZ_ELEMENT_TEXT: 353 case EZ_ELEMENT_VARIABLE: 354 { 355 if ( $nextElement !== null ) 356 { 357 switch ( $nextElement["type"] ) 358 { 359 case EZ_ELEMENT_END_TAG: 360 case EZ_ELEMENT_SINGLE_TAG: 361 case EZ_ELEMENT_NORMAL_TAG: 362 { 363 $text = $element["text"]; 364 $text_cnt = strlen( $text ); 365 if ( $text_cnt > 0 ) 366 { 367 $char = $text[$text_cnt - 1]; 368 if ( $char == "\n" ) 369 { 370 $element["text"] = substr( $text, 0, $text_cnt - 1 ); 371 } 372 } 373 } break; 374 } 375 } 376 if ( $element["text"] !== '' ) 377 { 378 $tempTextElements[] = $element; 379 } 380 } break; 381 382 case EZ_ELEMENT_END_TAG: 383 case EZ_ELEMENT_SINGLE_TAG: 384 case EZ_ELEMENT_NORMAL_TAG: 385 { 386 if ( $nextElement !== null ) 387 { 388 switch ( $nextElement["type"] ) 389 { 390 case EZ_ELEMENT_TEXT: 391 case EZ_ELEMENT_VARIABLE: 392 { 393 $text = $nextElement["text"]; 394 $text_cnt = strlen( $text ); 395 if ( $text_cnt > 0 ) 396 { 397 $char = $text[0]; 398 if ( $char == "\n" ) 399 { 400 $nextElement["text"] = substr( $text, 1 ); 401 } 402 } 403 } break; 404 } 405 } 406 $tempTextElements[] = $element; 407 } break; 408 } 409 } 410 $element = $nextElement; 411 } 412 return $tempTextElements; 413 } 414 415 function appendChild( &$root, &$node ) 416 { 417 if ( !is_array( $root[1] ) ) 418 $root[1] = array(); 419 $root[1][] =& $node; 420 } 421 422 function parseIntoTree( &$tpl, &$textElements, &$treeRoot, 423 $rootNamespace, $relatedResource, $relatedTemplateName ) 424 { 425 $outerElseTags = array( 'else' => array( 'if', 'elseif' ), 'section-else' => array( 'section' ) ); 426 427 $currentRoot =& $treeRoot; 428 if ( $tpl->ShowDetails ) 429 eZDebug::addTimingPoint( "Parse pass 3 (build tree)" ); 430 431 $tagStack = array(); 432 433 foreach( $textElements as $elementKey => $element ) 434 { 435 $elementPlacement = $element['placement']; 436 $startLine = $elementPlacement['start']['line']; 437 $startColumn = $elementPlacement['start']['column']; 438 $startPosition = $elementPlacement['start']['position']; 439 $stopLine = $elementPlacement['stop']['line']; 440 $stopColumn = $elementPlacement['stop']['column']; 441 $stopPosition = $elementPlacement['stop']['position']; 442 $templateFile = $elementPlacement['templatefile']; 443 $placement = array( array( $startLine, 444 $startColumn, 445 $startPosition ), 446 array( $stopLine, 447 $stopColumn, 448 $stopPosition ), 449 $templateFile ); 450 switch ( $element["type"] ) 451 { 452 case EZ_ELEMENT_TEXT: 453 { 454 unset( $node ); 455 $node = array( EZ_TEMPLATE_NODE_TEXT, 456 false, 457 $element['text'], 458 $placement ); 459 $this->appendChild( $currentRoot, $node ); 460 } break; 461 case EZ_ELEMENT_VARIABLE: 462 { 463 $text = $element["text"]; 464 $text_len = strlen( $text ); 465 $var_data = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $text, 0, $var_end, $text_len, $rootNamespace ); 466 467 unset( $node ); 468 $node = array( EZ_TEMPLATE_NODE_VARIABLE, 469 false, 470 $var_data, 471 $placement ); 472 $this->appendChild( $currentRoot, $node ); 473 if ( $var_end < $text_len ) 474 { 475 $placement = $element['placement']; 476 $startLine = $placement['start']['line']; 477 $startColumn = $placement['start']['column']; 478 $subText = substr( $text, 0, $var_end ); 479 $this->gotoEndPosition( $subText, $startLine, $startColumn, $currentLine, $currentColumn ); 480 $tpl->error( "", "parser error @ $relatedTemplateName:$currentLine" . "[$currentColumn]" . "\n" . 481 "Extra characters found in expression, they will be ignored.\n" . 482 substr( $text, $var_end, $text_len - $var_end ) . "' (" . substr( $text, 0, $var_end ) . ")", 483 $placement ); 484 } 485 } break; 486 case EZ_ELEMENT_SINGLE_TAG: 487 case EZ_ELEMENT_NORMAL_TAG: 488 case EZ_ELEMENT_END_TAG: 489 { 490 $text = $element["text"]; 491 $text_len = strlen( $text ); 492 $type = $element["type"]; 493 494 $ident_pos = $this->ElementParser->identifierEndPosition( $tpl, $text, 0, $text_len ); 495 $tag = substr( $text, 0, $ident_pos - 0 ); 496 $attr_pos = $ident_pos; 497 unset( $args ); 498 499 $args = array(); 500 501 // special handling for some functions having complex syntax 502 if ( $type == EZ_ELEMENT_NORMAL_TAG && 503 in_array( $tag, array( 'if', 'elseif', 'while', 'for', 'foreach', 'def', 'undef', 504 'set', 'let', 'default', 'set-block', 'append-block', 'section' ) ) ) 505 { 506 $attr_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $attr_pos, $text_len ); 507 508 509 if ( $tag == 'if' || $tag == 'elseif' ) 510 $this->parseUnnamedCondition( $tag, $args, $tpl, $text, $text_len, $attr_pos, $relatedTemplateName, $startLine, $startColumn, $rootNamespace ); 511 elseif ( $tag == 'while' ) 512 $this->parseWhileFunction( $args, $tpl, $text, $text_len, $attr_pos, $relatedTemplateName, $startLine, $startColumn, $rootNamespace ); 513 elseif ( $tag == 'for' ) 514 $this->parseForFunction( $args, $tpl, $text, $text_len, $attr_pos, $relatedTemplateName, $startLine, $startColumn, $rootNamespace ); 515 elseif ( $tag == 'foreach' ) 516 $this->parseForeachFunction( $args, $tpl, $text, $text_len, $attr_pos, $relatedTemplateName, $startLine, $startColumn, $rootNamespace ); 517 elseif ( $tag == 'def' || $tag == 'undef' ) 518 $this->parseDefFunction( $tag, $args, $tpl, $text, $text_len, $attr_pos, $relatedTemplateName, $startLine, $startColumn, $rootNamespace ); 519 elseif ( $tag == 'set' || $tag == 'let' || $tag == 'default' ) 520 $this->parseSetFunction( $tag, $args, $tpl, $text, $text_len, $attr_pos, $relatedTemplateName, $startLine, $startColumn, $rootNamespace ); 521 elseif ( $tag == 'set-block' || $tag == 'append-block' ) 522 $this->parseBlockFunction( $tag, $args, $tpl, $text, $text_len, $attr_pos, $relatedTemplateName, $startLine, $startColumn, $rootNamespace ); 523 elseif ( $tag == 'section' ) 524 $this->parseSectionFunction( $tag, $args, $tpl, $text, $text_len, $attr_pos, $relatedTemplateName, $startLine, $startColumn, $rootNamespace ); 525 } 526 elseif ( $type == EZ_ELEMENT_END_TAG && $tag == 'do' ) 527 { 528 $this->parseDoFunction( $args, $tpl, $text, $text_len, $attr_pos, $relatedTemplateName, $startLine, $startColumn, $rootNamespace ); 529 } 530 531 // other functions having simplier syntax are parsed below 532 $lastPosition = false; 533 while ( $attr_pos < $text_len ) 534 { 535 if ( $lastPosition !== false and 536 $lastPosition == $attr_pos ) 537 { 538 break; 539 } 540 $lastPosition = $attr_pos; 541 $attr_pos_start = $this->ElementParser->whitespaceEndPos( $tpl, $text, $attr_pos, $text_len ); 542 if ( $attr_pos_start == $attr_pos and 543 $attr_pos_start < $text_len ) 544 { 545 $placement = $element['placement']; 546 $startLine = $placement['start']['line']; 547 $startColumn = $placement['start']['column']; 548 $subText = substr( $text, 0, $attr_pos ); 549 $this->gotoEndPosition( $subText, $startLine, $startColumn, $currentLine, $currentColumn ); 550 $tpl->error( "", "parser error @ $relatedTemplateName:$currentLine" . "[$currentColumn]" . "\n" . 551 "Extra characters found, should have been a whitespace or the end of the expression\n". 552 "Characters: '" . substr( $text, $attr_pos ) . "'" ); 553 break; 554 } 555 $attr_pos = $attr_pos_start; 556 $attr_name_pos = $this->ElementParser->identifierEndPosition( $tpl, $text, $attr_pos, $text_len ); 557 $attr_name = substr( $text, $attr_pos, $attr_name_pos - $attr_pos ); 558 559 /* Skip whitespace between here and the next one */ 560 $equal_sign_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $attr_name_pos, $text_len ); 561 if ( ( $equal_sign_pos < $text_len ) && ( $text[$equal_sign_pos] == '=' ) ) 562 { 563 $attr_name_pos = $equal_sign_pos; 564 } 565 566 if ( $attr_name_pos >= $text_len or 567 ( $text[$attr_name_pos] != '=' and 568 preg_match( "/[ \t\r\n]/", $text[$attr_name_pos] ) ) ) 569 { 570 unset( $var_data ); 571 $var_data = array(); 572 $var_data[] = array( EZ_TEMPLATE_TYPE_NUMERIC, // type 573 true, // content 574 false // debug 575 ); 576 $args[$attr_name] = $var_data; 577 $attr_pos = $attr_name_pos; 578 continue; 579 } 580 if ( $text[$attr_name_pos] != "=" ) 581 { 582 $placement = $element['placement']; 583 $startLine = $placement['start']['line']; 584 $startColumn = $placement['start']['column']; 585 $subText = substr( $text, 0, $attr_name_pos ); 586 $this->gotoEndPosition( $subText, $startLine, $startColumn, $currentLine, $currentColumn ); 587 $tpl->error( "", "parser error @ $relatedTemplateName:$currentLine" . "[$currentColumn]\n". 588 "Invalid parameter characters in function '$tag': '" . 589 substr( $text, $attr_name_pos ) . "'" ); 590 break; 591 } 592 ++$attr_name_pos; 593 unset( $var_data ); 594 $var_data = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $text, $attr_name_pos, $var_end, $text_len, $rootNamespace ); 595 $args[$attr_name] = $var_data; 596 $attr_pos = $var_end; 597 } 598 599 if ( $type == EZ_ELEMENT_END_TAG and count( $args ) > 0 ) 600 { 601 if ( $tag != 'do' ) 602 { 603 $placement = $element['placement']; 604 $startLine = $placement['start']['line']; 605 $startColumn = $placement['start']['column']; 606 $tpl->error( "", "parser error @ $relatedTemplateName:$startLine" . "[$startColumn]" . "\n" . 607 "End tag \"$tag\" cannot have attributes\n$tpl->LDelim/" . $text . $tpl->RDelim, 608 $element['placement'] ); 609 $args = array(); 610 } 611 } 612 613 if ( $type == EZ_ELEMENT_NORMAL_TAG ) 614 { 615 $ignoreCurrentTag = false; 616 if( in_array( $tag, array_keys($outerElseTags) ) ) // 'esle'-kind operators 617 { 618 unset( $oldTag ); 619 unset( $oldTagName ); 620 $oldTag = end( $tagStack ); 621 $oldTagName = $oldTag["Tag"]; 622 623 $ignoreCurrentTag = true; 624 if ( in_array( $oldTagName, $outerElseTags[$tag] ) ) 625 { 626 $ignoreCurrentTag = false; 627 } 628 else // if there is incorrect 'else' using 629 { 630 // checking for 'if' in stack 631 $tagBackStack = $tagStack; 632 $lastIfKey = false; 633 foreach ( $tagBackStack as $prevTagKey => $prevTag ) 634 { 635 if ( in_array( $prevTag['Tag'], $outerElseTags[$tag] ) ) 636 { 637 $lastIfKey = $prevTagKey; 638 } 639 } 640 641 if( $lastIfKey !== false ) 642 { 643 // checking for later tags (search for closing tag) 644 $laterElements = array_slice( $textElements, $elementKey + 1 ); 645 $laterStack = array(); 646 foreach( $laterElements as $laterElement ) 647 { 648 if ( $laterElement['type'] == EZ_ELEMENT_NORMAL_TAG) 649 { 650 if( !in_array( $laterElement['name'], array_keys($outerElseTags) ) ) 651 { 652 $laterStack[] = $laterElement['name']; 653 } 654 else 655 { 656 if ( $laterStack === array() ) 657 { 658 break; // double else (current else will be ignored) 659 } 660 } 661 } 662 elseif ( $laterElement['type'] == EZ_ELEMENT_END_TAG ) 663 { 664 if ( $laterStack !== array() ) 665 { 666 if ( array_pop( $laterStack ) !== $laterElement['name'] ) 667 { 668 break; // later tags mismatch (current else will be ignored) 669 } 670 } 671 else 672 { 673 if ( $laterElement['name'] == $oldTagName) 674 { 675 break; // previous tag correctly closed (current else will be ignored) 676 } 677 elseif ( in_array( $laterElement['name'], $outerElseTags[$tag] ) ) 678 { 679 $ignoreCurrentTag = false; 680 break; // 'if' tag correctly closed (inner tags must be closed too) 681 } 682 } 683 } 684 } 685 } 686 687 $place = $element['placement']; 688 $startLine = $place['start']['line']; 689 $startColumn = $place['start']['column']; 690 if ( $ignoreCurrentTag ) 691 { 692 $tpl->error( "", "parser error @ $relatedTemplateName:$startLine" . "[$startColumn]" . "\n" . 693 "Unterminated tag \"$oldTagName\" does not match tag \"$tag\". \"$tag\" will be ignored.", 694 $element['placement'] ); 695 } 696 else 697 { 698 unset( $currentRoot ); 699 $lastIfKey++; 700 $currentRoot =& $tagStack[$lastIfKey]["Root"]; 701 702 $autoTerminatedTags = array_slice( $tagStack, $lastIfKey); 703 $autoTerminatedTagNames = array(); 704 foreach( $autoTerminatedTags as $autoTerminatedTag) 705 $autoTerminatedTagNames[] = $autoTerminatedTag["Tag"]; 706 $tagStack = array_slice( $tagStack, 0, $lastIfKey); 707 708 $tpl->error( "", "parser error @ $relatedTemplateName:$startLine" . "[$startColumn]" . "\n" . 709 "Unterminated tag \"".implode( "\", \"", $autoTerminatedTagNames)."\" does not match tag \"$tag\" and will be autoterminated.", 710 $element['placement'] ); 711 unset( $autoTerminatedTags ); 712 unset( $autoTerminatedTagNames ); 713 } 714 unset( $lastIfKey ); 715 } 716 } 717 718 if ( !$ignoreCurrentTag ) 719 { 720 unset( $node ); 721 $node = array( EZ_TEMPLATE_NODE_FUNCTION, 722 false, 723 $tag, 724 $args, 725 $placement ); 726 $this->appendChild( $currentRoot, $node ); 727 $has_children = true; 728 if ( isset( $tpl->FunctionAttributes[$tag] ) ) 729 { 730 if ( is_array( $tpl->FunctionAttributes[$tag] ) ) 731 $tpl->loadAndRegisterFunctions( $tpl->FunctionAttributes[$tag] ); 732 $has_children = $tpl->FunctionAttributes[$tag]; 733 } 734 else if ( isset( $tpl->Functions[$tag] ) ) 735 { 736 if ( is_array( $tpl->Functions[$tag] ) ) 737 $tpl->loadAndRegisterFunctions( $tpl->Functions[$tag] ); 738 $has_children = $tpl->hasChildren( $tpl->Functions[$tag], $tag ); 739 } 740 if ( $has_children ) 741 { 742 $tagStack[] = array( "Root" => &$currentRoot, 743 "Tag" => $tag ); 744 unset( $currentRoot ); 745 $currentRoot =& $node; 746 } 747 } 748 } 749 else if ( $type == EZ_ELEMENT_END_TAG ) 750 { 751 $has_children = true; 752 if ( isset( $tpl->FunctionAttributes[$tag] ) ) 753 { 754 if ( is_array( $tpl->FunctionAttributes[$tag] ) ) 755 $tpl->loadAndRegisterFunctions( $tpl->FunctionAttributes[$tag] ); 756 $has_children = $tpl->FunctionAttributes[$tag]; 757 } 758 else if ( isset( $tpl->Functions[$tag] ) ) 759 { 760 if ( is_array( $tpl->Functions[$tag] ) ) 761 $tpl->loadAndRegisterFunctions( $tpl->Functions[$tag] ); 762 $has_children = $tpl->hasChildren( $tpl->Functions[$tag], $tag ); 763 } 764 if ( !$has_children ) 765 { 766 $placement = $element['placement']; 767 $startLine = $placement['start']['line']; 768 $startColumn = $placement['start']['column']; 769 $tpl->error( "", "parser error @ $relatedTemplateName:$startLine" . "[$startColumn]" . "\n" . 770 "End tag \"$tag\" for function which does not accept children, ignoring tag", 771 $element['placement'] ); 772 } 773 else 774 { 775 unset( $oldTag ); 776 unset( $oldTagName ); 777 include_once ( "lib/ezutils/classes/ezphpcreator.php" ); 778 $oldTag = array_pop( $tagStack ); 779 $oldTagName = $oldTag["Tag"]; 780 unset( $currentRoot ); 781 $currentRoot =& $oldTag["Root"]; 782 783 if ( $oldTagName != $tag ) 784 { 785 $placement = $element['placement']; 786 $startLine = $placement['start']['line']; 787 $startColumn = $placement['start']['column']; 788 $tpl->error( "", "parser error @ $relatedTemplateName:$startLine" . "[$startColumn]" . "\n" . 789 "Unterminated tag \"$oldTagName\" does not match tag \"$tag\"", 790 $element['placement'] ); 791 } 792 793 // a dirty hack to pass arguments specified in {/do} to the corresponding function. 794 if ( $tag == 'do' ) 795 { 796 $doOpenTag =& $currentRoot[1][count( $currentRoot[1] ) - 1]; 797 $doOpenTag[3] =& $args; 798 } 799 } 800 } 801 else // EZ_ELEMENT_SINGLE_TAG 802 { 803 unset( $node ); 804 $node = array( EZ_TEMPLATE_NODE_FUNCTION, 805 false, 806 $tag, 807 $args, 808 $placement ); 809 $this->appendChild( $currentRoot, $node ); 810 } 811 unset( $tag ); 812 813 } break; 814 } 815 } 816 817 if ( $tpl->ShowDetails ) 818 eZDebug::addTimingPoint( "Parse pass 3 done" ); 819 } 820 821 /*! 822 * parse 'sequence' loop parameter: "sequence <array> as <$seqVar>" 823 */ 824 function parseSequenceParameter( $parseSequenceKeyword, $funcName, &$args, &$tpl, &$text, &$text_len, &$cur_pos, 825 $relatedTemplateName, $startLine, $startColumn, &$rootNamespace ) 826 { 827 if ( $parseSequenceKeyword ) 828 { 829 // parse 'sequence' keyword 830 $sequenceEndPos = $this->ElementParser->identifierEndPosition( $tpl, $text, $cur_pos, $text_len ); 831 $sequence = substr( $text, $cur_pos, $sequenceEndPos-$cur_pos ); 832 if ( $sequence != 'sequence' ) 833 { 834 $this->showParseErrorMessage( $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, 835 $funcName, "Expected keyword 'sequence' not found" ); 836 return false; 837 } 838 $cur_pos = $sequenceEndPos; 839 840 // skip whitespaces 841 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 842 } 843 844 // parse sequence array 845 $args['sequence_array'] = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $text, $cur_pos, $cur_pos, $text_len, $rootNamespace ); 846 847 // skip whitespaces 848 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 849 850 // parse 'as' keyword 851 $asEndPos = $this->ElementParser->identifierEndPosition( $tpl, $text, $cur_pos, $text_len ); 852 $word = substr( $text, $cur_pos, $asEndPos-$cur_pos ); 853 if ( $word != 'as' ) 854 { 855 $this->showParseErrorMessage( $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, 856 $funcName, "Expected keyword 'as' not found" ); 857 unset( $args['sequence_array'] ); 858 return false; 859 } 860 $cur_pos = $asEndPos; 861 862 // skip whitespaces 863 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 864 865 // parse sequence variable 866 $seqVar = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $text, $cur_pos, $cur_pos, $text_len, $rootNamespace ); 867 if ( !$seqVar ) 868 { 869 $this->showParseErrorMessage( $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, 870 $funcName, "Sequence variable name cannot be empty" ); 871 unset( $args['sequence_array'] ); 872 return false; 873 } 874 $args['sequence_var'] = $seqVar; 875 876 return true; 877 } 878 879 /*! 880 Parse {for} function. 881 Syntax: 882 \code 883 // for <firstValue> to <lastValue> as <$loopVar> [sequence <array> as <$var>] 884 \endcode 885 */ 886 function parseForFunction( &$args, &$tpl, &$text, &$text_len, &$cur_pos, 887 $relatedTemplateName, $startLine, $startColumn, &$rootNamespace ) 888 { 889 $firstValStartPos = $cur_pos; 890 891 // parse first value 892 $firstVal = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $text, $firstValStartPos, $firstValEndPos, $text_len, $rootNamespace 893 /*, EZ_TEMPLATE_TYPE_NUMERIC_BIT | EZ_TEMPLATE_TYPE_VARIABLE_BIT*/ ); 894 $args['first_val'] = $firstVal; 895 896 $toStartPos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $firstValEndPos, $text_len ); 897 898 // parse 'to' 899 $toEndPos = $this->ElementParser->identifierEndPosition( $tpl, $text, $toStartPos, $text_len ); 900 $to = substr( $text, $toStartPos, $toEndPos-$toStartPos ); 901 if ( $to != 'to' ) 902 { 903 $this->showParseErrorMessage( $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, 904 'for', "Expected keyword 'to' not found" ); 905 return; 906 } 907 908 909 $lastValStartPos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $toEndPos, $text_len ); 910 911 // parse last value 912 $args['last_val'] = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $text, $lastValStartPos, $lastValEndPos, $text_len, $rootNamespace );; 913 914 $asStartPos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $lastValEndPos, $text_len ); 915 916 // parse 'as' 917 $asEndPos = $this->ElementParser->identifierEndPosition( $tpl, $text, $asStartPos, $text_len ); 918 $as = substr( $text, $asStartPos, $asEndPos-$asStartPos ); 919 if ( $as != 'as' ) 920 { 921 $this->showParseErrorMessage( $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, 922 'for', "Expected keyword 'as' not found" ); 923 return; 924 } 925 926 $loopVarStartPos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $asEndPos, $text_len ); 927 928 // parse loop variable 929 $args['loop_var'] = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $text, $loopVarStartPos, $loopVarEndPos, $text_len, $rootNamespace ); 930 931 if ( $loopVarEndPos == $text_len ) // no more parameters 932 $cur_pos = $loopVarEndPos; 933 else 934 { 935 // skip whitespaces 936 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $loopVarEndPos, $text_len ); 937 938 if ( ! $this->parseSequenceParameter( true, 'for', 939 $args, $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, $rootNamespace ) ) 940 return; 941 } 942 } 943 944 /*! 945 Parse {foreach} function. 946 Syntax: 947 \code 948 {foreach <array> as [$keyVar =>] $itemVar 949 [sequence <array> as $sequenceVar] 950 [offset <offset>] 951 [max <max>] 952 [reverse] 953 } 954 \endcode 955 */ 956 function parseForeachFunction( &$args, &$tpl, &$text, &$text_len, &$cur_pos, 957 $relatedTemplateName, $startLine, $startColumn, &$rootNamespace ) 958 { 959 // parse array 960 $args['array'] = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $text, $cur_pos, $cur_pos, $text_len, $rootNamespace ); 961 962 // skip whitespaces 963 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 964 965 // parse 'as' keyword 966 $asEndPos = $this->ElementParser->identifierEndPosition( $tpl, $text, $cur_pos, $text_len ); 967 $word = substr( $text, $cur_pos, $asEndPos-$cur_pos ); 968 if ( $word != 'as' ) 969 { 970 $this->showParseErrorMessage( $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, 971 'foreach', "Expected keyword 'as' not found" ); 972 return; 973 } 974 $cur_pos = $asEndPos; 975 976 // skip whitespaces 977 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 978 979 // parse variable name 980 $var1 = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $text, $cur_pos, $cur_pos, $text_len, $rootNamespace ); 981 982 $nextTokenPos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 983 984 // parse itemVar (if specified) 985 if ( $nextTokenPos <= ( $text_len-2 ) && $text[$nextTokenPos] == '=' && $text[$nextTokenPos+1] == '>' ) 986 { 987 // skip whitespaces 988 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $nextTokenPos+2, $text_len ); 989 990 $args['key_var'] = $var1; 991 992 // parse item variable name 993 $args['item_var'] = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $text, $cur_pos, $cur_pos, $text_len, $rootNamespace ); 994 } 995 else 996 $args['item_var'] = $var1; 997 998 /* 999 * parse optional parameters 1000 */ 1001 1002 while ( $cur_pos < $text_len ) 1003 { 1004 // skip whitespaces 1005 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 1006 1007 $paramNameEndPos = $this->ElementParser->identifierEndPosition( $tpl, $text, $cur_pos, $text_len ); 1008 $paramName = substr( $text, $cur_pos, $paramNameEndPos-$cur_pos ); 1009 $cur_pos = $paramNameEndPos; 1010 1011 if ( $paramName == 'sequence' ) 1012 { 1013 if ( ! $this->parseSequenceParameter( false, 'foreach', 1014 $args, $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, $rootNamespace ) ) 1015 return; 1016 } 1017 elseif ( $paramName == 'offset' ) 1018 { 1019 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 1020 $args['offset'] = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $text, $cur_pos, $cur_pos, $text_len, $rootNamespace ); 1021 } 1022 elseif ( $paramName == 'max' ) 1023 { 1024 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 1025 $args['max'] = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $text, $cur_pos, $cur_pos, $text_len, $rootNamespace );; 1026 } 1027 elseif ( $paramName == 'reverse' ) 1028 { 1029 $reverseValText = '1'; 1030 $args['reverse'] = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $reverseValText, 0, $reverseValPos, 1, $rootNamespace ); 1031 } 1032 else 1033 { 1034 $this->showParseErrorMessage( $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, 1035 'foreach', "Unknown parameter '$paramName'" ); 1036 return; 1037 } 1038 } 1039 } 1040 1041 /*! 1042 Parse do..while function 1043 Syntax: 1044 \code 1045 1046 {do} 1047 [{delimiter}...{/delimiter}] 1048 [{break}] 1049 [{continue}] 1050 [{skip}] 1051 {/do while <condition> [sequence <array> as $seqVar]} 1052 */ 1053 function parseDoFunction( &$args, &$tpl, &$text, &$text_len, &$cur_pos, 1054 $relatedTemplateName, $startLine, $startColumn, &$rootNamespace ) 1055 { 1056 // skip whitespaces 1057 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 1058 1059 // parse while keyword 1060 $wordEndPos = $this->ElementParser->identifierEndPosition( $tpl, $text, $cur_pos, $text_len ); 1061 $word = substr( $text, $cur_pos, $wordEndPos-$cur_pos ); 1062 if ( $word != 'while' ) 1063 { 1064 $this->showParseErrorMessage( $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, 1065 'do', "Expected keyword 'while' not found in parameters" ); 1066 return; 1067 } 1068 $cur_pos = $wordEndPos; 1069 1070 // skip whitespaces 1071 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 1072 1073 $args['condition'] = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $text, $cur_pos, $cur_pos, $text_len, $rootNamespace ); 1074 1075 // skip whitespaces 1076 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 1077 1078 if ( $cur_pos == $text_len ) // no more arguments 1079 return; 1080 1081 $this->parseSequenceParameter( true, 'do', 1082 $args, $tpl, $text, $text_len, $cur_pos, 1083 $relatedTemplateName, $startLine, $startColumn, $rootNamespace ); 1084 } 1085 1086 1087 /*! 1088 Parse def/undef functions 1089 Syntax: 1090 \code 1091 {def $var1=<value1> [$var2=<value2> ...]} 1092 {undef [$var1 [$var2] ...]} 1093 \endcode 1094 */ 1095 1096 function parseDefFunction( $funcName, &$args, &$tpl, &$text, &$text_len, &$cur_pos, 1097 $relatedTemplateName, $startLine, $startColumn, &$rootNamespace ) 1098 { 1099 if ( $cur_pos == $text_len && $funcName == 'def' ) // no more arguments 1100 { 1101 $this->showParseErrorMessage( $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, 1102 $funcName, 'Not enough arguments' ); 1103 return; 1104 } 1105 1106 while ( $cur_pos < $text_len ) 1107 { 1108 // parse variable name 1109 if ( $text[$cur_pos] != '$' ) 1110 { 1111 $this->showParseErrorMessage( $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, 1112 $funcName, '($) expected' ); 1113 return; 1114 } 1115 1116 $cur_pos++; 1117 $wordEndPos = $this->ElementParser->identifierEndPosition( $tpl, $text, $cur_pos, $text_len ); 1118 $varName = substr( $text, $cur_pos, $wordEndPos-$cur_pos ); 1119 $cur_pos = $wordEndPos; 1120 1121 if ( !$varName ) 1122 { 1123 $this->showParseErrorMessage( $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, 1124 $funcName, 'Empty variable name' ); 1125 return; 1126 } 1127 1128 if ( $funcName == 'def' ) 1129 { 1130 // skip whitespaces 1131 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 1132 1133 // parse variable value 1134 if ( $cur_pos >= $text_len || $text[$cur_pos] != '=' ) 1135 { 1136 $this->showParseErrorMessage( $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, 1137 $funcName, '(=) expected' ); 1138 return; 1139 } 1140 $cur_pos++; 1141 1142 // skip whitespaces 1143 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 1144 1145 $args[$varName] = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $text, $cur_pos, $cur_pos, $text_len, $rootNamespace ); 1146 } 1147 else 1148 { 1149 $varValueText = '1'; 1150 $args[$varName] = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $varValueText, 0, $varValPos, 1, $rootNamespace ); 1151 } 1152 1153 1154 // skip whitespaces 1155 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 1156 } 1157 } 1158 1159 /*! 1160 Parse arguments for {if}/{elseif} 1161 */ 1162 function parseUnnamedCondition( $funcName, &$args, &$tpl, &$text, &$text_len, &$cur_pos, 1163 $relatedTemplateName, $startLine, $startColumn, &$rootNamespace ) 1164 { 1165 $cond = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $text, $cur_pos, $cur_pos, $text_len, $rootNamespace ); 1166 if ( !count( $cond ) ) 1167 { 1168 $this->showParseErrorMessage( $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, 1169 $funcName, 'Not enough arguments' ); 1170 return; 1171 1172 } 1173 $args['condition'] = $cond; 1174 } 1175 1176 /*! 1177 Parse arguments for {while} 1178 */ 1179 function parseWhileFunction( &$args, &$tpl, &$text, &$text_len, &$cur_pos, 1180 $relatedTemplateName, $startLine, $startColumn, &$rootNamespace ) 1181 { 1182 $cond = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $text, $cur_pos, $cur_pos, $text_len, $rootNamespace ); 1183 if ( !count( $cond ) ) 1184 { 1185 $this->showParseErrorMessage( $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, 1186 'while', 'Not enough arguments' ); 1187 return; 1188 1189 } 1190 $args['condition'] = $cond; 1191 1192 // skip whitespaces 1193 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 1194 1195 if ( $cur_pos == $text_len ) // no more arguments 1196 return; 1197 1198 $this->parseSequenceParameter( true, 'while', 1199 $args, $tpl, $text, $text_len, $cur_pos, 1200 $relatedTemplateName, $startLine, $startColumn, $rootNamespace ); 1201 } 1202 1203 /*! 1204 Parse arguments for {set}/{let}/{default} 1205 */ 1206 function parseSetFunction( $funcName, &$args, &$tpl, &$text, &$text_len, &$cur_pos, 1207 $relatedTemplateName, $startLine, $startColumn, &$rootNamespace ) 1208 { 1209 while ( $cur_pos < $text_len ) 1210 { 1211 $dollarSignFound = false; 1212 1213 // skip optional dollar sign 1214 if ( $text[$cur_pos] == '$' ) 1215 { 1216 $dollarSignFound = true; 1217 $cur_pos++; 1218 } 1219 1220 // parse variable name 1221 $wordEndPos = $this->ElementParser->identifierEndPosition( $tpl, $text, $cur_pos, $text_len ); 1222 $varName = substr( $text, $cur_pos, $wordEndPos-$cur_pos ); 1223 $cur_pos = $wordEndPos; 1224 1225 if ( !$varName ) 1226 { 1227 $this->showParseErrorMessage( $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, 1228 $funcName, 'Empty variable name' ); 1229 return; 1230 } 1231 1232 /* 1233 * If parameter 'name' or 'scope' was passed without dollar sign 1234 * change its name to '-name' or '-scope', respectively. 1235 * In this case it is treated specially in the {set}/{let}/{default} functions. 1236 */ 1237 if ( !$dollarSignFound && ( $varName == 'name' || $varName == 'scope' ) ) 1238 $varName = "-$varName"; 1239 1240 // skip whitespaces 1241 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 1242 1243 // if no value, assume boolean true 1244 if ( $cur_pos >= $text_len or 1245 ( $text[$cur_pos] != '=' /*and preg_match( "/[ \t\r\n]/", $text[$cur_pos] )*/ ) ) 1246 { 1247 unset( $var_data ); 1248 $var_data = array(); 1249 $args[$varName] = array( array( EZ_TEMPLATE_TYPE_NUMERIC, // type 1250 true, // content 1251 false // debug 1252 ) ); 1253 continue; 1254 } 1255 1256 if ( $cur_pos >= $text_len ) 1257 break; 1258 1259 $cur_pos++; 1260 1261 // skip whitespaces 1262 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 1263 1264 $args[$varName] = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $text, $cur_pos, $cur_pos, $text_len, $rootNamespace ); 1265 1266 // skip whitespaces 1267 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 1268 } 1269 } 1270 1271 /*! 1272 Parse arguments for {set-block}/{append-block}. 1273 This method has been created to correctly handle the case when ($) is used in variable name, e.g. {set-block variable=$var} 1274 Here we strip the dollar sign and pass the variable name as string. 1275 */ 1276 function parseBlockFunction( $funcName, &$args, &$tpl, &$text, &$text_len, &$cur_pos, 1277 $relatedTemplateName, $startLine, $startColumn, &$rootNamespace ) 1278 { 1279 while ( $cur_pos < $text_len ) 1280 { 1281 // parse parameter name 1282 $wordEndPos = $this->ElementParser->identifierEndPosition( $tpl, $text, $cur_pos, $text_len ); 1283 $paramName = substr( $text, $cur_pos, $wordEndPos-$cur_pos ); 1284 $cur_pos = $wordEndPos; 1285 if ( !$paramName ) 1286 { 1287 $this->showParseErrorMessage( $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, 1288 $funcName, 'Empty parameter name' ); 1289 return; 1290 } 1291 1292 // skip whitespaces 1293 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 1294 1295 // skip (=) 1296 if ( $text[$cur_pos] != '=' ) 1297 { 1298 $this->showParseErrorMessage( $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, 1299 $funcName, '(=) expected' ); 1300 return; 1301 } 1302 $cur_pos++; 1303 1304 // skip whitespaces 1305 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 1306 1307 // skip optional dollar sign 1308 if ( $paramName == 'variable' && $cur_pos < $text_len && $text[$cur_pos] == '$' ) 1309 { 1310 $cur_pos++; 1311 } 1312 1313 // parse parameter value 1314 $args[$paramName] = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $text, $cur_pos, $cur_pos, $text_len, $rootNamespace ); 1315 1316 // skip whitespaces 1317 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 1318 } 1319 } 1320 1321 /*! 1322 Parse arguments for {section}. 1323 This method has been created to correctly handle the case when ($) is used in variable name, e.g. {section var=$item} 1324 Here we strip the dollar sign and pass the variable name as string. 1325 */ 1326 function parseSectionFunction( $funcName, &$args, &$tpl, &$text, &$text_len, &$cur_pos, 1327 $relatedTemplateName, $startLine, $startColumn, &$rootNamespace ) 1328 { 1329 while ( $cur_pos < $text_len ) 1330 { 1331 // parse parameter name 1332 $wordEndPos = $this->ElementParser->identifierEndPosition( $tpl, $text, $cur_pos, $text_len ); 1333 $paramName = substr( $text, $cur_pos, $wordEndPos-$cur_pos ); 1334 $cur_pos = $wordEndPos; 1335 if ( !$paramName ) 1336 { 1337 $this->showParseErrorMessage( $tpl, $text, $text_len, $cur_pos, $relatedTemplateName, $startLine, $startColumn, 1338 $funcName, 'Empty parameter name' ); 1339 return; 1340 } 1341 1342 // skip whitespaces 1343 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 1344 1345 // skip (=) 1346 if ( $cur_pos >= $text_len || $text[$cur_pos] != '=' ) // if the parameter has no value, i.e. not followed by '=<value>' 1347 { 1348 // the parameter gets boolean true value. 1349 $args[$paramName] = array( array( EZ_TEMPLATE_TYPE_NUMERIC, // type 1350 true, // content 1351 false // debug 1352 ) ); 1353 continue; 1354 } 1355 $cur_pos++; 1356 1357 // skip whitespaces 1358 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 1359 1360 // skip optional dollar sign that is allowed in value of 'var' parameter 1361 if ( $paramName == 'var' && $cur_pos < $text_len && $text[$cur_pos] == '$' ) 1362 { 1363 $cur_pos++; 1364 } 1365 1366 // parse parameter value 1367 $args[$paramName] = $this->ElementParser->parseVariableTag( $tpl, $relatedTemplateName, $text, $cur_pos, $cur_pos, $text_len, $rootNamespace ); 1368 1369 // skip whitespaces 1370 $cur_pos = $this->ElementParser->whitespaceEndPos( $tpl, $text, $cur_pos, $text_len ); 1371 } 1372 } 1373 1374 function showParseErrorMessage( &$tpl, &$text, $text_len, &$cur_pos, $tplName, $startLine, $startColumn, $funcName, $message ) 1375 { 1376 $subText = substr( $text, 0, $cur_pos ); 1377 $this->gotoEndPosition( $subText, $startLine, $startColumn, $currentLine, $currentColumn ); 1378 $tpl->error( $funcName, "parser error @ $tplName:$currentLine\n" . 1379 "$message at [" . substr( $text, $cur_pos ) . "]" ); 1380 $cur_pos = $text_len; 1381 } 1382 1383 function &instance() 1384 { 1385 $instance =& $GLOBALS['eZTemplateMultiPassParserInstance']; 1386 if ( get_class( $instance ) != 'eztemplatemultipassparser' ) 1387 { 1388 $instance = new eZTemplateMultiPassParser(); 1389 } 1390 return $instance; 1391 } 1392 1393 /// \privatesection 1394 var $ElementParser; 1395 } 1396 1397 ?>
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| Généré le : Sat Feb 24 10:30:04 2007 | par Balluche grâce à PHPXref 0.7 |