MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / vendor / wikimedia / purtle / src / N3RdfWriterBase.php

diff --git a/vendor/wikimedia/purtle/src/N3RdfWriterBase.php b/vendor/wikimedia/purtle/src/N3RdfWriterBase.php
new file mode 100644 (file)
index 0000000..c8fdd97
--- /dev/null
+++ b/vendor/wikimedia/purtle/src/N3RdfWriterBase.php
@@ -0,0 +1,70 @@
+<?php
+
+namespace Wikimedia\Purtle;
+
+/**
+ * Base class for RdfWriter implementations that output an N3 dialect.
+ *
+ * @license GPL-2.0+
+ * @author Daniel Kinzler
+ */
+abstract class N3RdfWriterBase extends RdfWriterBase {
+
+       /**
+        * @var N3Quoter
+        */
+       protected $quoter;
+
+       public function __construct(
+               $role = parent::DOCUMENT_ROLE,
+               BNodeLabeler $labeler = null,
+               N3Quoter $quoter = null
+       ) {
+               parent::__construct( $role, $labeler );
+
+               $this->quoter = $quoter ?: new N3Quoter();
+       }
+
+       protected function writeRef( $base, $local = null ) {
+               if ( $local === null ) {
+                       if ( $base === 'a' ) {
+                               $this->write( 'a' );
+                       } else {
+                               $this->writeIRI( $base );
+                       }
+               } else {
+                       $this->write( "$base:$local" );
+               }
+       }
+
+       protected function writeIRI( $iri, $trustIRI = false ) {
+               if ( !$trustIRI ) {
+                       $iri = $this->quoter->escapeIRI( $iri );
+               }
+               $this->write( "<$iri>" );
+       }
+
+       protected function writeQName( $base, $local ) {
+               $this->write( "$base:$local" );
+       }
+
+       protected function writeText( $text, $language = null ) {
+               $value = $this->quoter->escapeLiteral( $text );
+               $this->write( '"' . $value . '"' );
+
+               if ( $this->isValidLanguageCode( $language ) ) {
+                       $this->write( '@' . $language );
+               }
+       }
+
+       protected function writeValue( $value, $typeBase = null, $typeLocal = null ) {
+               $value = $this->quoter->escapeLiteral( $value );
+               $this->write( '"' . $value. '"' );
+
+               if ( $typeBase !== null ) {
+                       $this->write( '^^' );
+                       $this->writeRef( $typeBase, $typeLocal );
+               }
+       }
+
+}