function Lexer::initialize

1 call to Lexer::initialize()

Lexer::tokenize in vendor/twig/twig/src/Lexer.php

File

vendor/twig/twig/src/Lexer.php, line 77

Class

Lexer

@author Fabien Potencier <fabien@symfony.com>

Namespace

Twig

Code

private function initialize() {
    if ($this->isInitialized) {
        return;
    }
    // when PHP 7.3 is the min version, we will be able to remove the '#' part in preg_quote as it's part of the default
    $this->regexes = [
        // }}
'lex_var' => '{
                \\s*
                (?:' . preg_quote($this->options['whitespace_trim'] . $this->options['tag_variable'][1], '#') . '\\s*' . '|' . preg_quote($this->options['whitespace_line_trim'] . $this->options['tag_variable'][1], '#') . '[' . $this->options['whitespace_line_chars'] . ']*' . '|' . preg_quote($this->options['tag_variable'][1], '#') . ')
            }Ax',
        // %}
'lex_block' => '{
                \\s*
                (?:' . preg_quote($this->options['whitespace_trim'] . $this->options['tag_block'][1], '#') . '\\s*\\n?' . '|' . preg_quote($this->options['whitespace_line_trim'] . $this->options['tag_block'][1], '#') . '[' . $this->options['whitespace_line_chars'] . ']*' . '|' . preg_quote($this->options['tag_block'][1], '#') . '\\n?' . ')
            }Ax',
        // {% endverbatim %}
'lex_raw_data' => '{' . preg_quote($this->options['tag_block'][0], '#') . '(' . $this->options['whitespace_trim'] . '|' . $this->options['whitespace_line_trim'] . ')?\\s*endverbatim\\s*' . '(?:' . preg_quote($this->options['whitespace_trim'] . $this->options['tag_block'][1], '#') . '\\s*' . '|' . preg_quote($this->options['whitespace_line_trim'] . $this->options['tag_block'][1], '#') . '[' . $this->options['whitespace_line_chars'] . ']*' . '|' . preg_quote($this->options['tag_block'][1], '#') . ')
            }sx',
        'operator' => $this->getOperatorRegex(),
        // #}
'lex_comment' => '{
                (?:' . preg_quote($this->options['whitespace_trim'] . $this->options['tag_comment'][1], '#') . '\\s*\\n?' . '|' . preg_quote($this->options['whitespace_line_trim'] . $this->options['tag_comment'][1], '#') . '[' . $this->options['whitespace_line_chars'] . ']*' . '|' . preg_quote($this->options['tag_comment'][1], '#') . '\\n?' . ')
            }sx',
        // verbatim %}
'lex_block_raw' => '{
                \\s*verbatim\\s*
                (?:' . preg_quote($this->options['whitespace_trim'] . $this->options['tag_block'][1], '#') . '\\s*' . '|' . preg_quote($this->options['whitespace_line_trim'] . $this->options['tag_block'][1], '#') . '[' . $this->options['whitespace_line_chars'] . ']*' . '|' . preg_quote($this->options['tag_block'][1], '#') . ')
            }Asx',
        'lex_block_line' => '{\\s*line\\s+(\\d+)\\s*' . preg_quote($this->options['tag_block'][1], '#') . '}As',
        // {{ or {% or {#
'lex_tokens_start' => '{
                (' . preg_quote($this->options['tag_variable'][0], '#') . '|' . preg_quote($this->options['tag_block'][0], '#') . '|' . preg_quote($this->options['tag_comment'][0], '#') . ')(' . preg_quote($this->options['whitespace_trim'], '#') . '|' . preg_quote($this->options['whitespace_line_trim'], '#') . ')?
            }sx',
        'interpolation_start' => '{' . preg_quote($this->options['interpolation'][0], '#') . '\\s*}A',
        'interpolation_end' => '{\\s*' . preg_quote($this->options['interpolation'][1], '#') . '}A',
    ];
    $this->isInitialized = true;
}