| <?php |
| /** |
| * File containing the ezcDocumentPcssLayoutDirective class. |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| * @package Document |
| * @version //autogen// |
| * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0 |
| * @access private |
| */ |
| |
| /** |
| * Pdf CSS layout directive. |
| * |
| * @package Document |
| * @access private |
| * @version //autogen// |
| */ |
| class ezcDocumentPcssLayoutDirective extends ezcDocumentPcssDirective |
| { |
| /** |
| * Regular expression compiled from directive address. |
| * |
| * @var string |
| */ |
| protected $regularExpression = null; |
| |
| /** |
| * Compile regular expression. |
| * |
| * Compiles the address of this style directive into a PCRE regular |
| * expression, which then can be matched against location IDs. |
| */ |
| protected function compileRegularExpression() |
| { |
| $regexp = '(^'; |
| |
| $address = $this->address; |
| while ( $token = array_shift( $address ) ) |
| { |
| // Check for direct descendants |
| if ( strpos( $token, '>' ) === 0 ) |
| { |
| $token = preg_replace( '(>[\\t\\x20]+)', '', $token ); |
| $regexp .= '/' . preg_quote( $token ); |
| } |
| elseif ( ( strpos( $token, '.' ) === 0 ) || |
| ( strpos( $token, '#' ) === 0 ) ) |
| { |
| $regexp .= '(?:/[^/]+)*/[^.]+'; |
| array_unshift( $address, $token ); |
| } |
| else |
| { |
| $regexp .= '(?:/[^/]+)*/' . preg_quote( $token ); |
| } |
| |
| // Append optional class and ID restrictions |
| $restrictions = array(); |
| while ( isset( $address[0] ) && |
| ( ( strpos( $address[0], '.' ) === 0 ) || |
| ( strpos( $address[0], '#' ) === 0 ) ) ) |
| { |
| $token = array_shift( $address ); |
| $restrictions[$token[0]] = substr( $token, 1 ); |
| } |
| |
| // Append optional restrictions |
| if ( isset( $restrictions['.'] ) ) |
| { |
| $regexp .= '\\.(?:[a-z0-9_-]+_)?' . preg_quote( $restrictions['.'] ) . '(?:_[a-z0-9_-]+)?'; |
| } |
| else |
| { |
| $regexp .= '(?:\\.[a-z0-9_-]+)?'; |
| } |
| |
| // Append optional restrictions |
| if ( isset( $restrictions['#'] ) ) |
| { |
| $regexp .= '#' . preg_quote( $restrictions['#'] ); |
| } |
| else |
| { |
| $regexp .= '(?:#[a-z0-9_-]+)?'; |
| } |
| |
| $regexp .= '(?:\\[[^]]+\\])*'; |
| } |
| |
| $regexp .= '$)S'; |
| $this->regularExpression = $regexp; |
| } |
| |
| /** |
| * Return a PCRE regular expression for directive address. |
| * |
| * Return a PCRE regular expression representing the address of |
| * the directive, intended to match location IDs representing |
| * the docbook element nodes. |
| * |
| * @param string $locationId |
| * @return string |
| */ |
| public function getRegularExpression() |
| { |
| if ( $this->regularExpression === null ) |
| { |
| $this->compileRegularExpression(); |
| } |
| |
| return $this->regularExpression; |
| } |
| |
| /** |
| * Recreate directive from var_export. |
| * |
| * @param array $properties |
| * @return ezcDocumentPcssDirective |
| */ |
| public static function __set_state( $properties ) |
| { |
| return new ezcDocumentPcssLayoutDirective( |
| $properties['address'], |
| $properties['formats'], |
| $properties['file'], |
| $properties['line'], |
| $properties['position'] |
| ); |
| } |
| } |
| ?> |