private function isBooleanValue(ASTValue $value = null)
{
return $value && $value->isValueAvailable() && ($value->getValue() === true || $value->getValue() === false);
}
/**
* This method will parse a static default value as it is used for a
* parameter, property or constant declaration.
*
* @return \PDepend\Source\AST\ASTValue
* @since 0.9.5
*/
protected function parseStaticValue()
{
$defaultValue = new ASTValue();
$this->consumeComments();
// By default all parameters positive signed
$signed = 1;
$tokenType = $this->tokenizer->peek();
while ($tokenType !== Tokenizer::T_EOF) {
switch ($tokenType) {
case Tokens::T_COMMA:
case Tokens::T_SEMICOLON:
case Tokens::T_PARENTHESIS_CLOSE:
if ($defaultValue->isValueAvailable() === true) {
return $defaultValue;
}
throw new MissingValueException($this->tokenizer);
case Tokens::T_NULL:
$this->consumeToken(Tokens::T_NULL);
$defaultValue->setValue(null);
break;
case Tokens::T_TRUE:
$this->consumeToken(Tokens::T_TRUE);
$defaultValue->setValue(true);
break;
case Tokens::T_FALSE:
$this->consumeToken(Tokens::T_FALSE);
$defaultValue->setValue(false);
break;
case Tokens::T_LNUMBER:
$token = $this->consumeToken(Tokens::T_LNUMBER);
$defaultValue->setValue($signed * (int) $token->image);
break;
case Tokens::T_DNUMBER:
$token = $this->consumeToken(Tokens::T_DNUMBER);
$defaultValue->setValue($signed * (double) $token->image);
break;
case Tokens::T_CONSTANT_ENCAPSED_STRING:
$token = $this->consumeToken(Tokens::T_CONSTANT_ENCAPSED_STRING);
$defaultValue->setValue(substr($token->image, 1, -1));
break;
case Tokens::T_DOUBLE_COLON:
$this->consumeToken(Tokens::T_DOUBLE_COLON);
break;
case Tokens::T_CLASS_FQN:
$this->consumeToken(Tokens::T_CLASS_FQN);
break;
case Tokens::T_PLUS:
$this->consumeToken(Tokens::T_PLUS);
break;
case Tokens::T_MINUS:
$this->consumeToken(Tokens::T_MINUS);
$signed *= -1;
break;
case Tokens::T_DOUBLE_QUOTE:
$defaultValue->setValue($this->parseStringSequence($tokenType));
break;
case Tokens::T_DIR:
case Tokens::T_FILE:
case Tokens::T_LINE:
case Tokens::T_SELF:
case Tokens::T_NS_C:
case Tokens::T_FUNC_C:
case Tokens::T_PARENT:
case Tokens::T_STRING:
case Tokens::T_STATIC:
case Tokens::T_CLASS_C:
case Tokens::T_METHOD_C:
case Tokens::T_BACKSLASH:
case Tokens::T_SQUARED_BRACKET_OPEN:
case Tokens::T_SQUARED_BRACKET_CLOSE:
// There is a default value but we don't handle it at the moment.
$defaultValue->setValue(null);
$this->consumeToken($tokenType);
break;
case Tokens::T_START_HEREDOC:
$defaultValue->setValue($this->parseHeredoc()->getChild(0)->getImage());
break;
default:
return $this->parseStaticValueVersionSpecific($defaultValue);
}
$this->consumeComments();
$tokenType = $this->tokenizer->peek();
}
// We should never reach this, so throw an exception
throw new TokenStreamEndException($this->tokenizer);
}
/**
* testIsValueAvailableReturnsTrueForNullValue
*
* @return void
*/
public function testIsValueAvailableReturnsTrueForNullValue()
{
$value = new ASTValue();
$value->setValue(null);
$this->assertTrue($value->isValueAvailable());
}
