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class-wxr-parser-regex.php
class-wxr-parser-simplexml.php
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class-wxr-parser.php
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<?php /** * WordPress eXtended RSS file parser implementations * * @package WordPress * @subpackage Importer */ /** * WordPress Importer class for managing parsing of WXR files. */ class WXR_Parser { function parse( $file ) { // Attempt to use proper XML parsers first if ( extension_loaded( 'simplexml' ) ) { $parser = new WXR_Parser_SimpleXML; $result = $parser->parse( $file ); // If SimpleXML succeeds or this is an invalid WXR file then return the results if ( ! is_wp_error( $result ) || 'SimpleXML_parse_error' != $result->get_error_code() ) { return $result; } } elseif ( extension_loaded( 'xml' ) ) { $parser = new WXR_Parser_XML; $result = $parser->parse( $file ); // If XMLParser succeeds or this is an invalid WXR file then return the results if ( ! is_wp_error( $result ) || 'XML_parse_error' != $result->get_error_code() ) { return $result; } } // We have a malformed XML file, so display the error and fallthrough to regex if ( isset( $result ) && defined( 'IMPORT_DEBUG' ) && IMPORT_DEBUG ) { echo '<pre>'; if ( 'SimpleXML_parse_error' == $result->get_error_code() ) { foreach ( $result->get_error_data() as $error ) { echo $error->line . ':' . $error->column . ' ' . esc_html( $error->message ) . "\n"; } } elseif ( 'XML_parse_error' == $result->get_error_code() ) { $error = $result->get_error_data(); echo $error[0] . ':' . $error[1] . ' ' . esc_html( $error[2] ); } echo '</pre>'; echo '<p><strong>' . __( 'There was an error when reading this WXR file', 'wordpress-importer' ) . '</strong><br />'; echo __( 'Details are shown above. The importer will now try again with a different parser...', 'wordpress-importer' ) . '</p>'; } // use regular expressions if nothing else available or this is bad XML $parser = new WXR_Parser_Regex; return $parser->parse( $file ); } }
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