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made Lexer regexes more readable

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Fabien Potencier
2019-04-03 09:13:22 +02:00
parent 591da36893
commit 7e3ec0fbee
1 changed files with 74 additions and 9 deletions
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src/Lexer.php
+74 -9
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@@ -66,16 +66,81 @@ class Lexer implements \Twig_LexerInterface
], $options);
$this->regexes = [
'lex_var' => '/\s*(?:'.preg_quote($this->options['whitespace_trim'].$this->options['tag_variable'][1], '/').'\s*|'.preg_quote($this->options['tag_variable'][1], '/').')/A',
'lex_block' => '/\s*(?:'.preg_quote($this->options['whitespace_trim'].$this->options['tag_block'][1], '/').'\s*|'.preg_quote($this->options['tag_block'][1], '/').')\n?/A',
'lex_raw_data' => '/('.preg_quote($this->options['tag_block'][0].$this->options['whitespace_trim'], '/').'|'.preg_quote($this->options['tag_block'][0], '/').')\s*(?:end%s)\s*(?:'.preg_quote($this->options['whitespace_trim'].$this->options['tag_block'][1], '/').'\s*|\s*'.preg_quote($this->options['tag_block'][1], '/').')/s',
// }}
'lex_var' => '{
\s*
(?:'.
preg_quote($this->options['whitespace_trim'].$this->options['tag_variable'][1]).'\s*'. // -}}\s*
'|'.
preg_quote($this->options['tag_variable'][1]). // }}
')
}Ax',
// %}
'lex_block' => '{
\s*
(?:'.
preg_quote($this->options['whitespace_trim'].$this->options['tag_block'][1]).'\s*\n?'. // -%}\s*\n?
'|'.
preg_quote($this->options['tag_block'][1]).'\n?'. // %}\n?
')
}Ax',
// {% endverbatim %}
'lex_raw_data' => '{
('.
preg_quote($this->options['tag_block'][0].$this->options['whitespace_trim']). // {%-
'|'.
preg_quote($this->options['tag_block'][0]). // {%
')\s*'.
'(?:end%s)'. // endraw or endverbatim
'\s*'.
'(?:'.
preg_quote($this->options['whitespace_trim'].$this->options['tag_block'][1]).'\s*'. // -%}
'|'.
preg_quote($this->options['tag_block'][1]). // %}
')
}sx',
'operator' => $this->getOperatorRegex(),
'lex_comment' => '/(?:'.preg_quote($this->options['whitespace_trim'], '/').preg_quote($this->options['tag_comment'][1], '/').'\s*|'.preg_quote($this->options['tag_comment'][1], '/').')\n?/s',
'lex_block_raw' => '/\s*(raw|verbatim)\s*(?:'.preg_quote($this->options['whitespace_trim'].$this->options['tag_block'][1], '/').'\s*|'.preg_quote($this->options['tag_block'][1], '/').')/As',
'lex_block_line' => '/\s*line\s+(\d+)\s*'.preg_quote($this->options['tag_block'][1], '/').'/As',
'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'], '/').')?/s',
'interpolation_start' => '/'.preg_quote($this->options['interpolation'][0], '/').'\s*/A',
'interpolation_end' => '/\s*'.preg_quote($this->options['interpolation'][1], '/').'/A',
// #}
'lex_comment' => '{
(?:'.
preg_quote($this->options['whitespace_trim']).preg_quote($this->options['tag_comment'][1], '#').'\s*\n?'. // -#}\s*\n?
'|'.
preg_quote($this->options['tag_comment'][1], '#').'\n?'. // #}\n?
')
}sx',
// verbatim %}
'lex_block_raw' => '{
\s*
(raw|verbatim)
\s*
(?:'.
preg_quote($this->options['whitespace_trim'].$this->options['tag_block'][1]).'\s*'. // -%}\s*
'|'.
preg_quote($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($this->options['whitespace_trim']). // -
')?
}sx',
'interpolation_start' => '{'.preg_quote($this->options['interpolation'][0]).'\s*}A',
'interpolation_end' => '{\s*'.preg_quote($this->options['interpolation'][1]).'}A',
];
}