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-rw-r--r--inc/lib/Twig/Lexer.php127
1 files changed, 73 insertions, 54 deletions
diff --git a/inc/lib/Twig/Lexer.php b/inc/lib/Twig/Lexer.php
index 000b038e..41211eb2 100644
--- a/inc/lib/Twig/Lexer.php
+++ b/inc/lib/Twig/Lexer.php
@@ -3,8 +3,8 @@
/*
* This file is part of Twig.
*
- * (c) 2009 Fabien Potencier
- * (c) 2009 Armin Ronacher
+ * (c) Fabien Potencier
+ * (c) Armin Ronacher
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
@@ -26,6 +26,7 @@ class Twig_Lexer implements Twig_LexerInterface
protected $states;
protected $brackets;
protected $env;
+ // to be renamed to $name in 2.0 (where it is private)
protected $filename;
protected $options;
protected $regexes;
@@ -33,62 +34,69 @@ class Twig_Lexer implements Twig_LexerInterface
protected $positions;
protected $currentVarBlockLine;
- const STATE_DATA = 0;
- const STATE_BLOCK = 1;
- const STATE_VAR = 2;
- const STATE_STRING = 3;
- const STATE_INTERPOLATION = 4;
+ private $source;
- const REGEX_NAME = '/[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*/A';
- const REGEX_NUMBER = '/[0-9]+(?:\.[0-9]+)?/A';
- const REGEX_STRING = '/"([^#"\\\\]*(?:\\\\.[^#"\\\\]*)*)"|\'([^\'\\\\]*(?:\\\\.[^\'\\\\]*)*)\'/As';
+ const STATE_DATA = 0;
+ const STATE_BLOCK = 1;
+ const STATE_VAR = 2;
+ const STATE_STRING = 3;
+ const STATE_INTERPOLATION = 4;
+
+ const REGEX_NAME = '/[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*/A';
+ const REGEX_NUMBER = '/[0-9]+(?:\.[0-9]+)?/A';
+ const REGEX_STRING = '/"([^#"\\\\]*(?:\\\\.[^#"\\\\]*)*)"|\'([^\'\\\\]*(?:\\\\.[^\'\\\\]*)*)\'/As';
const REGEX_DQ_STRING_DELIM = '/"/A';
- const REGEX_DQ_STRING_PART = '/[^#"\\\\]*(?:(?:\\\\.|#(?!\{))[^#"\\\\]*)*/As';
- const PUNCTUATION = '()[]{}?:.,|';
+ const REGEX_DQ_STRING_PART = '/[^#"\\\\]*(?:(?:\\\\.|#(?!\{))[^#"\\\\]*)*/As';
+ const PUNCTUATION = '()[]{}?:.,|';
public function __construct(Twig_Environment $env, array $options = array())
{
$this->env = $env;
$this->options = array_merge(array(
- 'tag_comment' => array('{#', '#}'),
- 'tag_block' => array('{%', '%}'),
- 'tag_variable' => array('{{', '}}'),
+ 'tag_comment' => array('{#', '#}'),
+ 'tag_block' => array('{%', '%}'),
+ 'tag_variable' => array('{{', '}}'),
'whitespace_trim' => '-',
- 'interpolation' => array('#{', '}'),
+ 'interpolation' => array('#{', '}'),
), $options);
$this->regexes = array(
- 'lex_var' => '/\s*'.preg_quote($this->options['whitespace_trim'].$this->options['tag_variable'][1], '/').'\s*|\s*'.preg_quote($this->options['tag_variable'][1], '/').'/A',
- 'lex_block' => '/\s*(?:'.preg_quote($this->options['whitespace_trim'].$this->options['tag_block'][1], '/').'\s*|\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',
- '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*|\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',
+ 'lex_var' => '/\s*'.preg_quote($this->options['whitespace_trim'].$this->options['tag_variable'][1], '/').'\s*|\s*'.preg_quote($this->options['tag_variable'][1], '/').'/A',
+ 'lex_block' => '/\s*(?:'.preg_quote($this->options['whitespace_trim'].$this->options['tag_block'][1], '/').'\s*|\s*'.preg_quote($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',
+ '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*|\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',
+ 'interpolation_end' => '/\s*'.preg_quote($this->options['interpolation'][1], '/').'/A',
);
}
- /**
- * Tokenizes a source code.
- *
- * @param string $code The source code
- * @param string $filename A unique identifier for the source code
- *
- * @return Twig_TokenStream A token stream instance
- */
- public function tokenize($code, $filename = null)
+ public function tokenize($code, $name = null)
{
+ if (!$code instanceof Twig_Source) {
+ @trigger_error(sprintf('Passing a string as the $code argument of %s() is deprecated since version 1.27 and will be removed in 2.0. Pass a Twig_Source instance instead.', __METHOD__), E_USER_DEPRECATED);
+ $this->source = new Twig_Source($code, $name);
+ } else {
+ $this->source = $code;
+ }
+
+ if (((int) ini_get('mbstring.func_overload')) & 2) {
+ @trigger_error('Support for having "mbstring.func_overload" different from 0 is deprecated version 1.29 and will be removed in 2.0.', E_USER_DEPRECATED);
+ }
+
if (function_exists('mb_internal_encoding') && ((int) ini_get('mbstring.func_overload')) & 2) {
$mbEncoding = mb_internal_encoding();
mb_internal_encoding('ASCII');
+ } else {
+ $mbEncoding = null;
}
- $this->code = str_replace(array("\r\n", "\r"), "\n", $code);
- $this->filename = $filename;
+ $this->code = str_replace(array("\r\n", "\r"), "\n", $this->source->getCode());
+ $this->filename = $this->source->getName();
$this->cursor = 0;
$this->lineno = 1;
$this->end = strlen($this->code);
@@ -132,14 +140,14 @@ class Twig_Lexer implements Twig_LexerInterface
if (!empty($this->brackets)) {
list($expect, $lineno) = array_pop($this->brackets);
- throw new Twig_Error_Syntax(sprintf('Unclosed "%s"', $expect), $lineno, $this->filename);
+ throw new Twig_Error_Syntax(sprintf('Unclosed "%s".', $expect), $lineno, $this->source);
}
- if (isset($mbEncoding)) {
+ if ($mbEncoding) {
mb_internal_encoding($mbEncoding);
}
- return new Twig_TokenStream($this->tokens, $this->filename);
+ return new Twig_TokenStream($this->tokens, $this->source);
}
protected function lexData()
@@ -227,13 +235,13 @@ class Twig_Lexer implements Twig_LexerInterface
$this->moveCursor($match[0]);
if ($this->cursor >= $this->end) {
- throw new Twig_Error_Syntax(sprintf('Unclosed "%s"', $this->state === self::STATE_BLOCK ? 'block' : 'variable'), $this->currentVarBlockLine, $this->filename);
+ throw new Twig_Error_Syntax(sprintf('Unclosed "%s".', self::STATE_BLOCK === $this->state ? 'block' : 'variable'), $this->currentVarBlockLine, $this->source);
}
}
// operators
if (preg_match($this->regexes['operator'], $this->code, $match, null, $this->cursor)) {
- $this->pushToken(Twig_Token::OPERATOR_TYPE, $match[0]);
+ $this->pushToken(Twig_Token::OPERATOR_TYPE, preg_replace('/\s+/', ' ', $match[0]));
$this->moveCursor($match[0]);
}
// names
@@ -259,12 +267,12 @@ class Twig_Lexer implements Twig_LexerInterface
// closing bracket
elseif (false !== strpos(')]}', $this->code[$this->cursor])) {
if (empty($this->brackets)) {
- throw new Twig_Error_Syntax(sprintf('Unexpected "%s"', $this->code[$this->cursor]), $this->lineno, $this->filename);
+ throw new Twig_Error_Syntax(sprintf('Unexpected "%s".', $this->code[$this->cursor]), $this->lineno, $this->source);
}
list($expect, $lineno) = array_pop($this->brackets);
if ($this->code[$this->cursor] != strtr($expect, '([{', ')]}')) {
- throw new Twig_Error_Syntax(sprintf('Unclosed "%s"', $expect), $lineno, $this->filename);
+ throw new Twig_Error_Syntax(sprintf('Unclosed "%s".', $expect), $lineno, $this->source);
}
}
@@ -284,14 +292,18 @@ class Twig_Lexer implements Twig_LexerInterface
}
// unlexable
else {
- throw new Twig_Error_Syntax(sprintf('Unexpected character "%s"', $this->code[$this->cursor]), $this->lineno, $this->filename);
+ throw new Twig_Error_Syntax(sprintf('Unexpected character "%s".', $this->code[$this->cursor]), $this->lineno, $this->source);
}
}
protected function lexRawData($tag)
{
+ if ('raw' === $tag) {
+ @trigger_error(sprintf('Twig Tag "raw" is deprecated since version 1.21. Use "verbatim" instead in %s at line %d.', $this->filename, $this->lineno), E_USER_DEPRECATED);
+ }
+
if (!preg_match(str_replace('%s', $tag, $this->regexes['lex_raw_data']), $this->code, $match, PREG_OFFSET_CAPTURE, $this->cursor)) {
- throw new Twig_Error_Syntax(sprintf('Unexpected end of file: Unclosed "%s" block', $tag), $this->lineno, $this->filename);
+ throw new Twig_Error_Syntax(sprintf('Unexpected end of file: Unclosed "%s" block.', $tag), $this->lineno, $this->source);
}
$text = substr($this->code, $this->cursor, $match[0][1] - $this->cursor);
@@ -307,7 +319,7 @@ class Twig_Lexer implements Twig_LexerInterface
protected function lexComment()
{
if (!preg_match($this->regexes['lex_comment'], $this->code, $match, PREG_OFFSET_CAPTURE, $this->cursor)) {
- throw new Twig_Error_Syntax('Unclosed comment', $this->lineno, $this->filename);
+ throw new Twig_Error_Syntax('Unclosed comment.', $this->lineno, $this->source);
}
$this->moveCursor(substr($this->code, $this->cursor, $match[0][1] - $this->cursor).$match[0][0]);
@@ -320,20 +332,20 @@ class Twig_Lexer implements Twig_LexerInterface
$this->pushToken(Twig_Token::INTERPOLATION_START_TYPE);
$this->moveCursor($match[0]);
$this->pushState(self::STATE_INTERPOLATION);
-
} elseif (preg_match(self::REGEX_DQ_STRING_PART, $this->code, $match, null, $this->cursor) && strlen($match[0]) > 0) {
$this->pushToken(Twig_Token::STRING_TYPE, stripcslashes($match[0]));
$this->moveCursor($match[0]);
-
} elseif (preg_match(self::REGEX_DQ_STRING_DELIM, $this->code, $match, null, $this->cursor)) {
-
list($expect, $lineno) = array_pop($this->brackets);
- if ($this->code[$this->cursor] != '"') {
- throw new Twig_Error_Syntax(sprintf('Unclosed "%s"', $expect), $lineno, $this->filename);
+ if ('"' != $this->code[$this->cursor]) {
+ throw new Twig_Error_Syntax(sprintf('Unclosed "%s".', $expect), $lineno, $this->source);
}
$this->popState();
++$this->cursor;
+ } else {
+ // unlexable
+ throw new Twig_Error_Syntax(sprintf('Unexpected character "%s".', $this->code[$this->cursor]), $this->lineno, $this->source);
}
}
@@ -382,10 +394,15 @@ class Twig_Lexer implements Twig_LexerInterface
// an operator that ends with a character must be followed by
// a whitespace or a parenthesis
if (ctype_alpha($operator[$length - 1])) {
- $regex[] = preg_quote($operator, '/').'(?=[\s()])';
+ $r = preg_quote($operator, '/').'(?=[\s()])';
} else {
- $regex[] = preg_quote($operator, '/');
+ $r = preg_quote($operator, '/');
}
+
+ // an operator with a space can be any amount of whitespaces
+ $r = preg_replace('/\s+/', '\s+', $r);
+
+ $regex[] = $r;
}
return '/'.implode('|', $regex).'/A';
@@ -400,9 +417,11 @@ class Twig_Lexer implements Twig_LexerInterface
protected function popState()
{
if (0 === count($this->states)) {
- throw new Exception('Cannot pop state without a previous state');
+ throw new Exception('Cannot pop state without a previous state.');
}
$this->state = array_pop($this->states);
}
}
+
+class_alias('Twig_Lexer', 'Twig\Lexer', false);
generated by cgit v1.3 (git 2.53.0) at 2026-10-25 17:33:36 +0000