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* updated Twig to the latest version in 1.x series (v1.35.0)

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slawkens1
2017-12-25 13:02:46 +01:00
parent 6528a4a60c
commit 8b4eccc064
198 changed files with 4132 additions and 1977 deletions
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190
system/libs/Twig/ExpressionParser.php
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@@ -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.
@@ -19,6 +19,8 @@
* @see http://en.wikipedia.org/wiki/Operator-precedence_parser
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @internal
*/
class Twig_ExpressionParser
{
@@ -29,11 +31,23 @@ class Twig_ExpressionParser
protected $unaryOperators;
protected $binaryOperators;
public function __construct(Twig_Parser $parser, array $unaryOperators, array $binaryOperators)
private $env;
public function __construct(Twig_Parser $parser, $env = null)
{
$this->parser = $parser;
$this->unaryOperators = $unaryOperators;
$this->binaryOperators = $binaryOperators;
if ($env instanceof Twig_Environment) {
$this->env = $env;
$this->unaryOperators = $env->getUnaryOperators();
$this->binaryOperators = $env->getBinaryOperators();
} else {
@trigger_error('Passing the operators as constructor arguments to '.__METHOD__.' is deprecated since version 1.27. Pass the environment instead.', E_USER_DEPRECATED);
$this->env = $parser->getEnvironment();
$this->unaryOperators = func_get_arg(1);
$this->binaryOperators = func_get_arg(2);
}
}
public function parseExpression($precedence = 0)
@@ -44,7 +58,11 @@ class Twig_ExpressionParser
$op = $this->binaryOperators[$token->getValue()];
$this->parser->getStream()->next();
if (isset($op['callable'])) {
if ('is not' === $token->getValue()) {
$expr = $this->parseNotTestExpression($expr);
} elseif ('is' === $token->getValue()) {
$expr = $this->parseTestExpression($expr);
} elseif (isset($op['callable'])) {
$expr = call_user_func($op['callable'], $this->parser, $expr);
} else {
$expr1 = $this->parseExpression(self::OPERATOR_LEFT === $op['associativity'] ? $op['precedence'] + 1 : $op['precedence']);
@@ -171,7 +189,7 @@ class Twig_ExpressionParser
$negClass = 'Twig_Node_Expression_Unary_Neg';
$posClass = 'Twig_Node_Expression_Unary_Pos';
if (!(in_array($ref->getName(), array($negClass, $posClass)) || $ref->isSubclassOf($negClass) || $ref->isSubclassOf($posClass))) {
throw new Twig_Error_Syntax(sprintf('Unexpected unary operator "%s"', $token->getValue()), $token->getLine(), $this->parser->getFilename());
throw new Twig_Error_Syntax(sprintf('Unexpected unary operator "%s".', $token->getValue()), $token->getLine(), $this->parser->getStream()->getSourceContext());
}
$this->parser->getStream()->next();
@@ -187,7 +205,7 @@ class Twig_ExpressionParser
} elseif ($token->test(Twig_Token::PUNCTUATION_TYPE, '{')) {
$node = $this->parseHashExpression();
} else {
throw new Twig_Error_Syntax(sprintf('Unexpected token "%s" of value "%s"', Twig_Token::typeToEnglish($token->getType()), $token->getValue()), $token->getLine(), $this->parser->getFilename());
throw new Twig_Error_Syntax(sprintf('Unexpected token "%s" of value "%s".', Twig_Token::typeToEnglish($token->getType()), $token->getValue()), $token->getLine(), $this->parser->getStream()->getSourceContext());
}
}
@@ -216,7 +234,7 @@ class Twig_ExpressionParser
$expr = array_shift($nodes);
foreach ($nodes as $node) {
$expr = new Twig_Node_Expression_Binary_Concat($expr, $node, $node->getLine());
$expr = new Twig_Node_Expression_Binary_Concat($expr, $node, $node->getTemplateLine());
}
return $expr;
@@ -278,7 +296,7 @@ class Twig_ExpressionParser
} else {
$current = $stream->getCurrent();
throw new Twig_Error_Syntax(sprintf('A hash key must be a quoted string, a number, a name, or an expression enclosed in parentheses (unexpected token "%s" of value "%s"', Twig_Token::typeToEnglish($current->getType()), $current->getValue()), $current->getLine(), $this->parser->getFilename());
throw new Twig_Error_Syntax(sprintf('A hash key must be a quoted string, a number, a name, or an expression enclosed in parentheses (unexpected token "%s" of value "%s".', Twig_Token::typeToEnglish($current->getType()), $current->getValue()), $current->getLine(), $stream->getSourceContext());
}
$stream->expect(Twig_Token::PUNCTUATION_TYPE, ':', 'A hash key must be followed by a colon (:)');
@@ -317,20 +335,25 @@ class Twig_ExpressionParser
case 'parent':
$this->parseArguments();
if (!count($this->parser->getBlockStack())) {
throw new Twig_Error_Syntax('Calling "parent" outside a block is forbidden', $line, $this->parser->getFilename());
throw new Twig_Error_Syntax('Calling "parent" outside a block is forbidden.', $line, $this->parser->getStream()->getSourceContext());
}
if (!$this->parser->getParent() && !$this->parser->hasTraits()) {
throw new Twig_Error_Syntax('Calling "parent" on a template that does not extend nor "use" another template is forbidden', $line, $this->parser->getFilename());
throw new Twig_Error_Syntax('Calling "parent" on a template that does not extend nor "use" another template is forbidden.', $line, $this->parser->getStream()->getSourceContext());
}
return new Twig_Node_Expression_Parent($this->parser->peekBlockStack(), $line);
case 'block':
return new Twig_Node_Expression_BlockReference($this->parseArguments()->getNode(0), false, $line);
$args = $this->parseArguments();
if (count($args) < 1) {
throw new Twig_Error_Syntax('The "block" function takes one argument (the block name).', $line, $this->parser->getStream()->getSourceContext());
}
return new Twig_Node_Expression_BlockReference($args->getNode(0), count($args) > 1 ? $args->getNode(1) : null, $line);
case 'attribute':
$args = $this->parseArguments();
if (count($args) < 2) {
throw new Twig_Error_Syntax('The "attribute" function takes at least two arguments (the variable and the attributes)', $line, $this->parser->getFilename());
throw new Twig_Error_Syntax('The "attribute" function takes at least two arguments (the variable and the attributes).', $line, $this->parser->getStream()->getSourceContext());
}
return new Twig_Node_Expression_GetAttr($args->getNode(0), $args->getNode(1), count($args) > 2 ? $args->getNode(2) : null, Twig_Template::ANY_CALL, $line);
@@ -373,24 +396,24 @@ class Twig_ExpressionParser
$arg = new Twig_Node_Expression_Constant($token->getValue(), $lineno);
if ($stream->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
$type = Twig_TemplateInterface::METHOD_CALL;
$type = Twig_Template::METHOD_CALL;
foreach ($this->parseArguments() as $n) {
$arguments->addElement($n);
}
}
} else {
throw new Twig_Error_Syntax('Expected name or number', $lineno, $this->parser->getFilename());
throw new Twig_Error_Syntax('Expected name or number.', $lineno, $stream->getSourceContext());
}
if ($node instanceof Twig_Node_Expression_Name && null !== $this->parser->getImportedSymbol('template', $node->getAttribute('name'))) {
if (!$arg instanceof Twig_Node_Expression_Constant) {
throw new Twig_Error_Syntax(sprintf('Dynamic macro names are not supported (called on "%s")', $node->getAttribute('name')), $token->getLine(), $this->parser->getFilename());
throw new Twig_Error_Syntax(sprintf('Dynamic macro names are not supported (called on "%s").', $node->getAttribute('name')), $token->getLine(), $stream->getSourceContext());
}
$name = $arg->getAttribute('value');
if ($this->parser->isReservedMacroName($name)) {
throw new Twig_Error_Syntax(sprintf('"%s" cannot be called as macro as it is a reserved keyword', $name), $token->getLine(), $this->parser->getFilename());
throw new Twig_Error_Syntax(sprintf('"%s" cannot be called as macro as it is a reserved keyword.', $name), $token->getLine(), $stream->getSourceContext());
}
$node = new Twig_Node_Expression_MethodCall($node, 'get'.$name, $arguments, $lineno);
@@ -500,7 +523,7 @@ class Twig_ExpressionParser
$name = null;
if ($namedArguments && $token = $stream->nextIf(Twig_Token::OPERATOR_TYPE, '=')) {
if (!$value instanceof Twig_Node_Expression_Name) {
throw new Twig_Error_Syntax(sprintf('A parameter name must be a string, "%s" given', get_class($value)), $token->getLine(), $this->parser->getFilename());
throw new Twig_Error_Syntax(sprintf('A parameter name must be a string, "%s" given.', get_class($value)), $token->getLine(), $stream->getSourceContext());
}
$name = $value->getAttribute('name');
@@ -508,7 +531,7 @@ class Twig_ExpressionParser
$value = $this->parsePrimaryExpression();
if (!$this->checkConstantExpression($value)) {
throw new Twig_Error_Syntax(sprintf('A default value for an argument must be a constant (a boolean, a string, a number, or an array).'), $token->getLine(), $this->parser->getFilename());
throw new Twig_Error_Syntax(sprintf('A default value for an argument must be a constant (a boolean, a string, a number, or an array).'), $token->getLine(), $stream->getSourceContext());
}
} else {
$value = $this->parseExpression();
@@ -536,15 +559,17 @@ class Twig_ExpressionParser
public function parseAssignmentExpression()
{
$stream = $this->parser->getStream();
$targets = array();
while (true) {
$token = $this->parser->getStream()->expect(Twig_Token::NAME_TYPE, null, 'Only variables can be assigned to');
if (in_array($token->getValue(), array('true', 'false', 'none'))) {
throw new Twig_Error_Syntax(sprintf('You cannot assign a value to "%s"', $token->getValue()), $token->getLine(), $this->parser->getFilename());
$token = $stream->expect(Twig_Token::NAME_TYPE, null, 'Only variables can be assigned to');
$value = $token->getValue();
if (in_array(strtolower($value), array('true', 'false', 'none', 'null'))) {
throw new Twig_Error_Syntax(sprintf('You cannot assign a value to "%s".', $value), $token->getLine(), $stream->getSourceContext());
}
$targets[] = new Twig_Node_Expression_AssignName($token->getValue(), $token->getLine());
$targets[] = new Twig_Node_Expression_AssignName($value, $token->getLine());
if (!$this->parser->getStream()->nextIf(Twig_Token::PUNCTUATION_TYPE, ',')) {
if (!$stream->nextIf(Twig_Token::PUNCTUATION_TYPE, ',')) {
break;
}
}
@@ -565,17 +590,96 @@ class Twig_ExpressionParser
return new Twig_Node($targets);
}
private function parseNotTestExpression(Twig_NodeInterface $node)
{
return new Twig_Node_Expression_Unary_Not($this->parseTestExpression($node), $this->parser->getCurrentToken()->getLine());
}
private function parseTestExpression(Twig_NodeInterface $node)
{
$stream = $this->parser->getStream();
list($name, $test) = $this->getTest($node->getTemplateLine());
$class = $this->getTestNodeClass($test);
$arguments = null;
if ($stream->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
$arguments = $this->parser->getExpressionParser()->parseArguments(true);
}
return new $class($node, $name, $arguments, $this->parser->getCurrentToken()->getLine());
}
private function getTest($line)
{
$stream = $this->parser->getStream();
$name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
if ($test = $this->env->getTest($name)) {
return array($name, $test);
}
if ($stream->test(Twig_Token::NAME_TYPE)) {
// try 2-words tests
$name = $name.' '.$this->parser->getCurrentToken()->getValue();
if ($test = $this->env->getTest($name)) {
$stream->next();
return array($name, $test);
}
}
$e = new Twig_Error_Syntax(sprintf('Unknown "%s" test.', $name), $line, $stream->getSourceContext());
$e->addSuggestions($name, array_keys($this->env->getTests()));
throw $e;
}
private function getTestNodeClass($test)
{
if ($test instanceof Twig_SimpleTest && $test->isDeprecated()) {
$stream = $this->parser->getStream();
$message = sprintf('Twig Test "%s" is deprecated', $test->getName());
if (!is_bool($test->getDeprecatedVersion())) {
$message .= sprintf(' since version %s', $test->getDeprecatedVersion());
}
if ($test->getAlternative()) {
$message .= sprintf('. Use "%s" instead', $test->getAlternative());
}
$src = $stream->getSourceContext();
$message .= sprintf(' in %s at line %d.', $src->getPath() ? $src->getPath() : $src->getName(), $stream->getCurrent()->getLine());
@trigger_error($message, E_USER_DEPRECATED);
}
if ($test instanceof Twig_SimpleTest) {
return $test->getNodeClass();
}
return $test instanceof Twig_Test_Node ? $test->getClass() : 'Twig_Node_Expression_Test';
}
protected function getFunctionNodeClass($name, $line)
{
$env = $this->parser->getEnvironment();
if (false === $function = $this->env->getFunction($name)) {
$e = new Twig_Error_Syntax(sprintf('Unknown "%s" function.', $name), $line, $this->parser->getStream()->getSourceContext());
$e->addSuggestions($name, array_keys($this->env->getFunctions()));
if (false === $function = $env->getFunction($name)) {
$message = sprintf('The function "%s" does not exist', $name);
if ($alternatives = $env->computeAlternatives($name, array_keys($env->getFunctions()))) {
$message = sprintf('%s. Did you mean "%s"', $message, implode('", "', $alternatives));
throw $e;
}
if ($function instanceof Twig_SimpleFunction && $function->isDeprecated()) {
$message = sprintf('Twig Function "%s" is deprecated', $function->getName());
if (!is_bool($function->getDeprecatedVersion())) {
$message .= sprintf(' since version %s', $function->getDeprecatedVersion());
}
if ($function->getAlternative()) {
$message .= sprintf('. Use "%s" instead', $function->getAlternative());
}
$src = $this->parser->getStream()->getSourceContext();
$message .= sprintf(' in %s at line %d.', $src->getPath() ? $src->getPath() : $src->getName(), $line);
throw new Twig_Error_Syntax($message, $line, $this->parser->getFilename());
@trigger_error($message, E_USER_DEPRECATED);
}
if ($function instanceof Twig_SimpleFunction) {
@@ -587,15 +691,25 @@ class Twig_ExpressionParser
protected function getFilterNodeClass($name, $line)
{
$env = $this->parser->getEnvironment();
if (false === $filter = $this->env->getFilter($name)) {
$e = new Twig_Error_Syntax(sprintf('Unknown "%s" filter.', $name), $line, $this->parser->getStream()->getSourceContext());
$e->addSuggestions($name, array_keys($this->env->getFilters()));
if (false === $filter = $env->getFilter($name)) {
$message = sprintf('The filter "%s" does not exist', $name);
if ($alternatives = $env->computeAlternatives($name, array_keys($env->getFilters()))) {
$message = sprintf('%s. Did you mean "%s"', $message, implode('", "', $alternatives));
throw $e;
}
if ($filter instanceof Twig_SimpleFilter && $filter->isDeprecated()) {
$message = sprintf('Twig Filter "%s" is deprecated', $filter->getName());
if (!is_bool($filter->getDeprecatedVersion())) {
$message .= sprintf(' since version %s', $filter->getDeprecatedVersion());
}
if ($filter->getAlternative()) {
$message .= sprintf('. Use "%s" instead', $filter->getAlternative());
}
$src = $this->parser->getStream()->getSourceContext();
$message .= sprintf(' in %s at line %d.', $src->getPath() ? $src->getPath() : $src->getName(), $line);
throw new Twig_Error_Syntax($message, $line, $this->parser->getFilename());
@trigger_error($message, E_USER_DEPRECATED);
}
if ($filter instanceof Twig_SimpleFilter) {
@@ -623,3 +737,5 @@ class Twig_ExpressionParser
return true;
}
}
class_alias('Twig_ExpressionParser', 'Twig\ExpressionParser', false);