MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / vendor / wikimedia / css-sanitizer / src / Parser / TokenListTokenizer.php

diff --git a/vendor/wikimedia/css-sanitizer/src/Parser/TokenListTokenizer.php b/vendor/wikimedia/css-sanitizer/src/Parser/TokenListTokenizer.php
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+++ b/vendor/wikimedia/css-sanitizer/src/Parser/TokenListTokenizer.php
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+<?php
+/**
+ * @file
+ * @license https://opensource.org/licenses/Apache-2.0 Apache-2.0
+ */
+
+namespace Wikimedia\CSS\Parser;
+
+use Wikimedia\CSS\Util;
+use Wikimedia\CSS\Objects\Token;
+use Wikimedia\CSS\Objects\TokenList;
+
+/**
+ * Tokenizer that just returns a predefined list of tokens
+ */
+class TokenListTokenizer implements Tokenizer {
+
+       /** @var Token[] */
+       protected $tokens;
+
+       /** @var Token */
+       protected $eof;
+
+       /**
+        * @param Token[]|TokenList $tokens Tokens to return
+        * @param Token|null $eof Token to copy as EOF
+        */
+       public function __construct( $tokens, Token $eof = null ) {
+               if ( $tokens instanceof TokenList ) {
+                       $this->tokens = $tokens->toTokenArray();
+               } elseif ( is_array( $tokens ) ) {
+                       Util::assertAllInstanceOf( $tokens, Token::class, '$tokens' );
+                       $this->tokens = $tokens;
+               } else {
+                       throw new \InvalidArgumentException( '$tokens must be a TokenList or an array of tokens' );
+               }
+
+               if ( $eof && $eof->type() === Token::T_EOF ) {
+                       $this->eof = $eof;
+               } else {
+                       $data = [];
+                       if ( $eof ) {
+                               $data['position'] = $eof->getPosition();
+                       }
+                       $this->eof = new Token( Token::T_EOF, $data );
+               }
+       }
+
+       public function getParseErrors() {
+               return [];
+       }
+
+       public function clearParseErrors() {
+       }
+
+       public function consumeToken() {
+               return array_shift( $this->tokens ) ?: $this->eof;
+       }
+
+}