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