/**
* Will return a definition of an attribute as far as we can extract it from the token array
*
* @param array $tokens Array of tokens for this class
* @param int $attributePosition Position of the attribute within the token array
*
* @return AttributeDefinition
*/
public function getAttributeProperties(array $tokens, $attributePosition)
{
// We got the tokens and the position of the attribute, so look in front of it for visibility and a
// possible static keyword
$attribute = new AttributeDefinition();
$attribute->setName($tokens[$attributePosition][1]);
$attribute->setLine($tokens[$attributePosition][2]);
$attribute->setStructureName($this->currentDefinition->getQualifiedName());
for ($i = $attributePosition; $i > $attributePosition - 6; $i--) {
// Search for the visibility
if (is_array($tokens[$i]) && ($tokens[$i][0] === T_PRIVATE || $tokens[$i][0] === T_PROTECTED)) {
// Got it!
$attribute->setVisibility($tokens[$i][1]);
}
// Do we get a static keyword?
if (is_array($tokens[$i]) && $tokens[$i][0] === T_STATIC) {
// default is false, so set it to true
$attribute->setIsStatic(true);
}
}
// Now check if there is any default value for this attribute, if so we have to get it
$defaultValue = null;
for ($i = $attributePosition; $i < count($tokens); $i++) {
// If we reach the semicolon we do not have anything here.
if ($tokens[$i] === ';') {
break;
}
if ($defaultValue !== null) {
// Do we get a static keyword?
if (is_array($tokens[$i])) {
$defaultValue .= $tokens[$i][1];
} else {
$defaultValue .= $tokens[$i];
}
}
// If we pass a = we have to get ready to make notes
if ($tokens[$i] === '=') {
$defaultValue = '';
}
}
// Set the default Value
$attribute->setDefaultValue($defaultValue);
// Last but not least we have to check if got the visibility, if not, set it public.
// This is necessary, as missing visibility in the definition will also default to public
if ($attribute->getVisibility() === '') {
$attribute->setVisibility('public');
}
return $attribute;
}
/**
* Used to "straighten out" an expression as some expressions allow for shell regex which makes them hard to
* generate code from.
* So with this method a matching pointcut can be altered into having a directly readable expression
*
* @param FunctionDefinition|AttributeDefinition $definition Definition to straighten the expression against
*
* @return null
*/
public function straightenExpression($definition)
{
// structure name has to be absolute
$structureName = '\\' . ltrim($definition->getStructureName(), '\\');
// fix the expression
$this->expression = str_replace(array($this->callType . $this->function, $this->structure), array($this->callType . $definition->getName(), $structureName), $this->getExpression());
// set the obvious properties
$this->function = $definition->getName();
$this->structure = $structureName;
}