/**
* @param \Twig_TokenStream $tokens
* @param integer $position
* @param message $target
*/
private function assertSpacing(\Twig_TokenStream $tokens, $position, $target)
{
$token = $tokens->look($position);
if ($token->getType() !== Token::WHITESPACE_TYPE || strlen($token->getValue()) < $this->spacing) {
$this->addViolation($tokens->getFilename(), $token->getLine(), $token->getColumn(), sprintf('There should be %d space(s) %s.', $this->spacing, $target));
}
if ($token->getType() === Token::WHITESPACE_TYPE && strlen($token->getValue()) > $this->spacing) {
$this->addViolation($tokens->getFilename(), $token->getLine(), $token->getColumn(), sprintf('More than %d space(s) found %s.', $this->spacing, $target));
}
}
/**
* {@inheritdoc}
*/
public function check(\Twig_TokenStream $tokens)
{
$this->reset();
$macros = [];
while (!$tokens->isEOF()) {
$token = $tokens->getCurrent();
if ($token->getType() === \Twig_Token::NAME_TYPE && $token->getValue() === 'import') {
while ($tokens->getCurrent()->getValue() !== 'as') {
$tokens->next();
}
$tokens->next();
while (in_array($tokens->getCurrent()->getType(), [\Twig_Token::NAME_TYPE, \Twig_Token::PUNCTUATION_TYPE, Token::WHITESPACE_TYPE])) {
$next = $tokens->getCurrent();
if ($next->getType() === \Twig_Token::NAME_TYPE) {
$macros[$next->getValue()] = $next;
}
$tokens->next();
}
} elseif ($token->getType() === \Twig_Token::NAME_TYPE && array_key_exists($token->getValue(), $macros)) {
unset($macros[$token->getValue()]);
}
$tokens->next();
}
foreach ($macros as $name => $originalToken) {
$this->addViolation($tokens->getFilename(), $originalToken->getLine(), $originalToken->getColumn(), sprintf('Unused macro "%s".', $name));
}
return $this->violations;
}
/**
* @group legacy
*/
public function testLegacyConstructorSignature()
{
$stream = new Twig_TokenStream(array(), 'foo', '{{ foo }}');
$this->assertEquals('foo', $stream->getFilename());
$this->assertEquals('{{ foo }}', $stream->getSource());
$this->assertEquals('foo', $stream->getSourceContext()->getName());
$this->assertEquals('{{ foo }}', $stream->getSourceContext()->getCode());
}
/**
* {@inheritdoc}
*/
public function check(\Twig_TokenStream $tokens)
{
$this->reset();
while (!$tokens->isEOF()) {
$token = $tokens->getCurrent();
if ($token->getType() === \Twig_Token::NAME_TYPE && preg_match('/[A-Z]/', $token->getValue())) {
if ($tokens->look(Lexer::PREVIOUS_TOKEN)->getType() === Token::WHITESPACE_TYPE && $tokens->look(-2)->getValue() === 'set') {
$this->addViolation($tokens->getFilename(), $token->getLine(), $token->getColumn(), sprintf('The "%s" variable should be in lower case (use _ as a separator).', $token->getValue()));
}
}
$tokens->next();
}
return $this->violations;
}
/**
* {@inheritdoc}
*/
public function check(\Twig_TokenStream $tokens)
{
$this->reset();
while (!$tokens->isEOF()) {
$token = $tokens->getCurrent();
if ($token->getType() === Token::NEWLINE_TYPE && $tokens->look(-1)->getType() === Token::WHITESPACE_TYPE || $token->getType() === Token::TEXT_TYPE) {
if (preg_match("/[[:blank:]]+\n/", $token->getValue())) {
$this->addViolation($tokens->getFilename(), $token->getLine(), $token->getColumn(), 'A line should not end with blank space(s).');
}
}
$tokens->next();
}
return $this->violations;
}
protected function checkLoopUsageBody(Twig_TokenStream $stream, Twig_NodeInterface $node)
{
if ($node instanceof Twig_Node_Expression_GetAttr && $node->getNode('node') instanceof Twig_Node_Expression_Name && 'loop' == $node->getNode('node')->getAttribute('name')) {
$attribute = $node->getNode('attribute');
if ($attribute instanceof Twig_Node_Expression_Constant && in_array($attribute->getAttribute('value'), array('length', 'revindex0', 'revindex', 'last'))) {
throw new Twig_Error_Syntax(sprintf('The "loop.%s" variable is not defined when looping with a condition', $attribute->getAttribute('value')), $node->getLine(), $stream->getFilename());
}
}
// should check for parent.loop.XXX usage
if ($node instanceof Twig_Node_For) {
return;
}
foreach ($node as $n) {
if (!$n) {
continue;
}
$this->checkLoopUsageBody($stream, $n);
}
}
/**
* {@inheritdoc}
*/
public function check(\Twig_TokenStream $tokens)
{
$this->reset();
$variables = [];
while (!$tokens->isEOF()) {
$token = $tokens->getCurrent();
if ($token->getType() === \Twig_Token::NAME_TYPE) {
if ($tokens->look(Lexer::PREVIOUS_TOKEN)->getType() === Token::WHITESPACE_TYPE && $tokens->look(-2)->getValue() === 'set') {
$variables[$token->getValue()] = $token;
} else {
unset($variables[$token->getValue()]);
}
}
$tokens->next();
}
foreach ($variables as $name => $originalToken) {
$this->addViolation($tokens->getFilename(), $originalToken->getLine(), $originalToken->getColumn(), sprintf('Unused variable "%s".', $name));
}
return $this->violations;
}
/**
* @param \Twig_TokenStream $stream
* @param int $lineno
* @return WebpackInlineNode
* @throws \Twig_Error_Syntax
*/
private function parseInline(\Twig_TokenStream $stream, $lineno)
{
if ($stream->test(\Twig_Token::NAME_TYPE)) {
$stream->next();
}
$stream->expect(\Twig_Token::BLOCK_END_TYPE);
$this->parser->subparse(function ($token) {
return $token->test(['end' . $this->getTag()]);
}, true);
$stream->expect(\Twig_Token::BLOCK_END_TYPE);
$file = $this->parser->getEnvironment()->getLoader()->getCacheKey($stream->getFilename());
if (!isset($this->inline_blocks[$file])) {
$this->inline_blocks[$file] = 0;
}
$file_name = md5($file . $this->inline_blocks[$file]) . '.js';
$assets = $this->extension->webpackAsset('cache.' . $file_name);
$this->inline_blocks[$file]++;
return new WebpackInlineNode(['js_file' => $assets['js'], 'css_file' => $assets['css']], $lineno, $this->getTag());
}
/**
* @param \Twig_TokenStream $stream
*
* @throws \Twig_Error_Syntax
*/
private function throwSyntaxError(\Twig_TokenStream $stream)
{
$token = $stream->getCurrent();
throw new \Twig_Error_Syntax(sprintf('Unexpected token "%s" of value "%s"', \Twig_Token::typeToEnglish($token->getType()), $token->getValue()), $token->getLine(), $stream->getFilename());
}
/**
* Helper method for the common operation of grabbing the next boolean value
* from the stream
*
* @param \Twig_TokenStream $stream
* @param string $optionName
* @return string
*/
protected function getNextExpectedBoolValueFromStream(\Twig_TokenStream $stream, $optionName)
{
$stream->next();
$stream->expect(\Twig_Token::PUNCTUATION_TYPE);
$expr = $this->parser->getExpressionParser()->parseExpression();
if (!$expr instanceof \Twig_Node_Expression_Constant || !is_bool($expr->getAttribute('value'))) {
throw new SyntaxException(sprintf('The %s option must be boolean true or false (i.e. %s:false)', $optionName, $optionName), $stream->getCurrent()->getLine(), $stream->getFilename());
}
return $expr->getAttribute('value');
}
