Verzeichnisstruktur phpBB-3.2.0
- Veröffentlicht
- 06.01.2017
So funktioniert es
|
|
Auf das letzte Element klicken. Dies geht jeweils ein Schritt zurück |
Auf das Icon klicken, dies öffnet das Verzeichnis. Nochmal klicken schließt das Verzeichnis. |
|
|
(Beispiel Datei-Icons)
|
Auf das Icon klicken um den Quellcode anzuzeigen |
TokenStream.php
001 <?php
002
003 /*
004 * This file is part of Twig.
005 *
006 * (c) 2009 Fabien Potencier
007 * (c) 2009 Armin Ronacher
008 *
009 * For the full copyright and license information, please view the LICENSE
010 * file that was distributed with this source code.
011 */
012
013 /**
014 * Represents a token stream.
015 *
016 * @author Fabien Potencier <fabien@symfony.com>
017 */
018 class Twig_TokenStream
019 {
020 protected $tokens;
021 protected $current = 0;
022 protected $filename;
023
024 /**
025 * Constructor.
026 *
027 * @param array $tokens An array of tokens
028 * @param string $filename The name of the filename which tokens are associated with
029 */
030 public function __construct(array $tokens, $filename = null)
031 {
032 $this->tokens = $tokens;
033 $this->filename = $filename;
034 }
035
036 /**
037 * Returns a string representation of the token stream.
038 *
039 * @return string
040 */
041 public function __toString()
042 {
043 return implode("\n", $this->tokens);
044 }
045
046 public function injectTokens(array $tokens)
047 {
048 $this->tokens = array_merge(array_slice($this->tokens, 0, $this->current), $tokens, array_slice($this->tokens, $this->current));
049 }
050
051 /**
052 * Sets the pointer to the next token and returns the old one.
053 *
054 * @return Twig_Token
055 */
056 public function next()
057 {
058 if (!isset($this->tokens[++$this->current])) {
059 throw new Twig_Error_Syntax('Unexpected end of template.', $this->tokens[$this->current - 1]->getLine(), $this->filename);
060 }
061
062 return $this->tokens[$this->current - 1];
063 }
064
065 /**
066 * Tests a token, sets the pointer to the next one and returns it or throws a syntax error.
067 *
068 * @return Twig_Token|null The next token if the condition is true, null otherwise
069 */
070 public function nextIf($primary, $secondary = null)
071 {
072 if ($this->tokens[$this->current]->test($primary, $secondary)) {
073 return $this->next();
074 }
075 }
076
077 /**
078 * Tests a token and returns it or throws a syntax error.
079 *
080 * @return Twig_Token
081 */
082 public function expect($type, $value = null, $message = null)
083 {
084 $token = $this->tokens[$this->current];
085 if (!$token->test($type, $value)) {
086 $line = $token->getLine();
087 throw new Twig_Error_Syntax(sprintf('%sUnexpected token "%s" of value "%s" ("%s" expected%s).',
088 $message ? $message.'. ' : '',
089 Twig_Token::typeToEnglish($token->getType()), $token->getValue(),
090 Twig_Token::typeToEnglish($type), $value ? sprintf(' with value "%s"', $value) : ''),
091 $line,
092 $this->filename
093 );
094 }
095 $this->next();
096
097 return $token;
098 }
099
100 /**
101 * Looks at the next token.
102 *
103 * @param int $number
104 *
105 * @return Twig_Token
106 */
107 public function look($number = 1)
108 {
109 if (!isset($this->tokens[$this->current + $number])) {
110 throw new Twig_Error_Syntax('Unexpected end of template.', $this->tokens[$this->current + $number - 1]->getLine(), $this->filename);
111 }
112
113 return $this->tokens[$this->current + $number];
114 }
115
116 /**
117 * Tests the current token.
118 *
119 * @return bool
120 */
121 public function test($primary, $secondary = null)
122 {
123 return $this->tokens[$this->current]->test($primary, $secondary);
124 }
125
126 /**
127 * Checks if end of stream was reached.
128 *
129 * @return bool
130 */
131 public function isEOF()
132 {
133 return $this->tokens[$this->current]->getType() === Twig_Token::EOF_TYPE;
134 }
135
136 /**
137 * Gets the current token.
138 *
139 * @return Twig_Token
140 */
141 public function getCurrent()
142 {
143 return $this->tokens[$this->current];
144 }
145
146 /**
147 * Gets the filename associated with this stream.
148 *
149 * @return string
150 */
151 public function getFilename()
152 {
153 return $this->filename;
154 }
155 }
156