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PATH: home / letacommog / letaweb / admin / classes / twig / lib / Twig

<?php

/*
 * This file is part of Twig.
 *
 * (c) 2009 Fabien Potencier
 * (c) 2009 Armin Ronacher
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Represents a token stream.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Twig_TokenStream
{
    protected $tokens;
    protected $current = 0;
    protected $filename;

/**
     * Constructor.
     *
     * @param array  $tokens   An array of tokens
     * @param string $filename The name of the filename which tokens are associated with
     */
    public function __construct(array $tokens, $filename = null)
    {
        $this->tokens = $tokens;
        $this->filename = $filename;
    }

/**
     * Returns a string representation of the token stream.
     *
     * @return string
     */
    public function __toString()
    {
        return implode("\n", $this->tokens);
    }

public function injectTokens(array $tokens)
    {
        $this->tokens = array_merge(array_slice($this->tokens, 0, $this->current), $tokens, array_slice($this->tokens, $this->current));
    }

/**
     * Sets the pointer to the next token and returns the old one.
     *
     * @return Twig_Token
     */
    public function next()
    {
        if (!isset($this->tokens[++$this->current])) {
            throw new Twig_Error_Syntax('Unexpected end of template.', $this->tokens[$this->current - 1]->getLine(), $this->filename);
        }

return $this->tokens[$this->current - 1];
    }

/**
     * Tests a token, sets the pointer to the next one and returns it or throws a syntax error.
     *
     * @return Twig_Token|null The next token if the condition is true, null otherwise
     */
    public function nextIf($primary, $secondary = null)
    {
        if ($this->tokens[$this->current]->test($primary, $secondary)) {
            return $this->next();
        }
    }

/**
     * Tests a token and returns it or throws a syntax error.
     *
     * @return Twig_Token
     */
    public function expect($type, $value = null, $message = null)
    {
        $token = $this->tokens[$this->current];
        if (!$token->test($type, $value)) {
            $line = $token->getLine();
            throw new Twig_Error_Syntax(sprintf('%sUnexpected token "%s" of value "%s" ("%s" expected%s).',
                $message ? $message.'. ' : '',
                Twig_Token::typeToEnglish($token->getType()), $token->getValue(),
                Twig_Token::typeToEnglish($type), $value ? sprintf(' with value "%s"', $value) : ''),
                $line,
                $this->filename
            );
        }
        $this->next();

return $token;
    }

/**
     * Looks at the next token.
     *
     * @param int $number
     *
     * @return Twig_Token
     */
    public function look($number = 1)
    {
        if (!isset($this->tokens[$this->current + $number])) {
            throw new Twig_Error_Syntax('Unexpected end of template.', $this->tokens[$this->current + $number - 1]->getLine(), $this->filename);
        }

return $this->tokens[$this->current + $number];
    }

/**
     * Tests the current token.
     *
     * @return bool
     */
    public function test($primary, $secondary = null)
    {
        return $this->tokens[$this->current]->test($primary, $secondary);
    }

/**
     * Checks if end of stream was reached.
     *
     * @return bool
     */
    public function isEOF()
    {
        return $this->tokens[$this->current]->getType() === Twig_Token::EOF_TYPE;
    }

/**
     * Gets the current token.
     *
     * @return Twig_Token
     */
    public function getCurrent()
    {
        return $this->tokens[$this->current];
    }

/**
     * Gets the filename associated with this stream.
     *
     * @return string
     */
    public function getFilename()
    {
        return $this->filename;
    }
}

[+] ..
[+] Cache
[-] TokenParserInterface.php [edit]
[-] NodeTraverser.php [edit]
[-] TokenParserBroker.php [edit]
[-] TokenParser.php [edit]
[-] Markup.php [edit]
[-] Parser.php [edit]
[-] TokenParserBrokerInterface.php [edit]
[-] ParserInterface.php [edit]
[-] FunctionInterface.php [edit]
[-] NodeOutputInterface.php [edit]
[-] NodeVisitorInterface.php [edit]
[+] Test
[-] TestCallableInterface.php [edit]
[-] FunctionCallableInterface.php [edit]
[-] TokenStream.php [edit]
[-] Environment.php [edit]
[-] Extension.php [edit]
[+] NodeVisitor
[-] Test.php [edit]
[-] CacheInterface.php [edit]
[+] Loader
[-] ExpressionParser.php [edit]
[-] Template.php [edit]
[-] SimpleFilter.php [edit]
[+] Sandbox
[-] FileExtensionEscapingStrategy.php [edit]
[-] BaseNodeVisitor.php [edit]
[+] Function
[+] Node
[-] CompilerInterface.php [edit]
[-] Lexer.php [edit]
[-] Node.php [edit]
[+] Extension
[-] TestInterface.php [edit]
[-] Filter.php [edit]
[-] SimpleTest.php [edit]
[-] LoaderInterface.php [edit]
[+] Error
[+] Filter
[-] LexerInterface.php [edit]
[-] NodeInterface.php [edit]
[+] Profiler
[+] TokenParser
[+] Util
[-] TemplateInterface.php [edit]
[-] SimpleFunction.php [edit]
[-] FilterCallableInterface.php [edit]
[-] Token.php [edit]
[-] Error.php [edit]
[-] ExistsLoaderInterface.php [edit]
[-] Function.php [edit]
[-] FilterInterface.php [edit]
[-] Compiler.php [edit]
[-] Autoloader.php [edit]
[-] ExtensionInterface.php [edit]