/**
* This method parses an array as it is used for for parameter or property
* default values.
*
* Note: At the moment the implementation of this method only returns an
* empty array, but consumes all tokens that belong to the array
* declaration.
*
* TODO: Implement array content/value handling, but how should we handle
* constant values like array(self::FOO, FOOBAR)?
*
* @return array
* @since 0.9.5
*/
private function _parseStaticArray()
{
$staticValue = array();
// Fetch all tokens that belong to this array
$this->consumeToken(self::T_ARRAY);
$this->consumeComments();
$this->consumeToken(self::T_PARENTHESIS_OPEN);
$parenthesis = 1;
$tokenType = $this->tokenizer->peek();
while ($tokenType !== self::T_EOF) {
switch ($tokenType) {
case self::T_PARENTHESIS_CLOSE:
if (--$parenthesis === 0) {
break 2;
}
$this->consumeToken(self::T_PARENTHESIS_CLOSE);
break;
case self::T_PARENTHESIS_OPEN:
$this->consumeToken(self::T_PARENTHESIS_OPEN);
++$parenthesis;
break;
case self::T_DIR:
case self::T_NULL:
case self::T_TRUE:
case self::T_FILE:
case self::T_LINE:
case self::T_NS_C:
case self::T_PLUS:
case self::T_SELF:
case self::T_ARRAY:
case self::T_FALSE:
case self::T_EQUAL:
case self::T_COMMA:
case self::T_MINUS:
case self::T_COMMENT:
case self::T_DOC_COMMENT:
case self::T_DOUBLE_COLON:
case self::T_STRING:
case self::T_BACKSLASH:
case self::T_DNUMBER:
case self::T_LNUMBER:
case self::T_FUNC_C:
case self::T_CLASS_C:
case self::T_METHOD_C:
case self::T_STATIC:
case self::T_PARENT:
case self::T_NUM_STRING:
case self::T_DOUBLE_ARROW:
case self::T_CONSTANT_ENCAPSED_STRING:
$this->consumeToken($tokenType);
break;
default:
break 2;
}
$tokenType = $this->tokenizer->peek();
}
// Read closing parenthesis
$this->consumeToken(self::T_PARENTHESIS_CLOSE);
$defaultValue = new PHP_Depend_Code_Value();
$defaultValue->setValue($staticValue);
return $defaultValue;
}
/**
* testSetValueMutatesInternalStateOnlyOnce
*
* @return void
*/
public function testSetValueMutatesInternalStateOnlyOnce()
{
$value = new PHP_Depend_Code_Value();
$value->setValue(42);
$value->setValue(23);
self::assertEquals(42, $value->getValue());
}
private function isBooleanValue(PHP_Depend_Code_Value $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 PHP_Depend_Code_Value
* @since 0.9.5
*/
private function parseStaticValue()
{
$defaultValue = new PHP_Depend_Code_Value();
$this->consumeComments();
// By default all parameters positive signed
$signed = 1;
$tokenType = $this->tokenizer->peek();
while ($tokenType !== self::T_EOF) {
switch ($tokenType) {
case self::T_COMMA:
case self::T_SEMICOLON:
case self::T_PARENTHESIS_CLOSE:
if ($defaultValue->isValueAvailable() === true) {
return $defaultValue;
}
throw new PHP_Depend_Parser_MissingValueException($this->tokenizer);
case self::T_NULL:
$token = $this->consumeToken(self::T_NULL);
$defaultValue->setValue(null);
break;
case self::T_TRUE:
$token = $this->consumeToken(self::T_TRUE);
$defaultValue->setValue(true);
break;
case self::T_FALSE:
$token = $this->consumeToken(self::T_FALSE);
$defaultValue->setValue(false);
break;
case self::T_LNUMBER:
$token = $this->consumeToken(self::T_LNUMBER);
$defaultValue->setValue($signed * (int) $token->image);
break;
case self::T_DNUMBER:
$token = $this->consumeToken(self::T_DNUMBER);
$defaultValue->setValue($signed * (double) $token->image);
break;
case self::T_CONSTANT_ENCAPSED_STRING:
$token = $this->consumeToken(self::T_CONSTANT_ENCAPSED_STRING);
$defaultValue->setValue(substr($token->image, 1, -1));
break;
case self::T_DOUBLE_COLON:
$this->consumeToken(self::T_DOUBLE_COLON);
break;
case self::T_PLUS:
$this->consumeToken(self::T_PLUS);
break;
case self::T_MINUS:
$this->consumeToken(self::T_MINUS);
$signed *= -1;
break;
case self::T_DOUBLE_QUOTE:
$defaultValue->setValue($this->parseStringSequence($tokenType));
break;
case self::T_DIR:
case self::T_FILE:
case self::T_LINE:
case self::T_SELF:
case self::T_NS_C:
case self::T_FUNC_C:
case self::T_PARENT:
case self::T_STRING:
case self::T_STATIC:
case self::T_CLASS_C:
case self::T_METHOD_C:
case self::T_BACKSLASH:
case self::T_SQUARED_BRACKET_OPEN:
case self::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 self::T_START_HEREDOC:
$defaultValue->setValue($this->parseHeredoc()->getChild(0)->getImage());
break;
default:
throw new PHP_Depend_Parser_UnexpectedTokenException($this->tokenizer->next(), $this->tokenizer->getSourceFile());
}
$this->consumeComments();
$tokenType = $this->tokenizer->peek();
}
// We should never reach this, so throw an exception
throw new PHP_Depend_Parser_TokenStreamEndException($this->tokenizer);
}