/**
* Process the function parameter comments.
*
* @param int $commentstart The position in the stack where
* the comment started.
*
* @return void
*/
protected function processparams($commentstart)
{
$realparams = $this->currentfile->getmethodparameters($this->_functiontoken);
$params = $this->commentparser->getparams();
$foundparams = array();
if (empty($params) === false) {
$lastparm = count($params) - 1;
if (substr_count($params[$lastparm]->getwhitespaceafter(), $this->currentfile->eolChar) !== 2) {
$error = 'Last parameter comment requires a blank newline after it';
$errorpos = $params[$lastparm]->getline() + $commentstart;
$this->currentfile->addwarning($error, $errorpos);
}
$previousparam = null;
$spacebeforevar = 10000;
$spacebeforecomment = 10000;
$longesttype = 0;
$longestvar = 0;
foreach ($params as $param) {
$paramcomment = trim($param->getcomment());
$errorpos = $param->getline() + $commentstart;
// Make sure that there is only one space before the var type.
if ($param->getwhitespacebeforetype() !== ' ') {
$error = 'Expected 1 space before variable type';
$this->currentfile->addwarning($error, $errorpos);
}
$spacecount = substr_count($param->getwhitespacebeforevarname(), ' ');
if ($spacecount < $spacebeforevar) {
$spacebeforevar = $spacecount;
$longesttype = $errorpos;
}
$spacecount = substr_count($param->getwhitespacebeforecomment(), ' ');
if ($spacecount < $spacebeforecomment && $paramcomment !== '') {
$spacebeforecomment = $spacecount;
$longestvar = $errorpos;
}
// Make sure they are in the correct order,
// and have the correct name.
$pos = $param->getposition();
$paramname = $param->getvarname() !== '' ? $param->getvarname() : '[ UNKNOWN ]';
if ($previousparam !== null) {
$previousname = $previousparam->getvarname() !== '' ? $previousparam->getvarname() : 'UNKNOWN';
// Check to see if the parameters align properly.
if ($param->alignsvariablewith($previousparam) === false) {
$error = 'The variable names for parameters ' . $previousname . ' (' . ($pos - 1) . ') and ' . $paramname . ' (' . $pos . ') do not align';
$this->currentfile->addwarning($error, $errorpos);
}
if ($param->alignsCommentWith($previousparam) === false) {
$error = 'The comments for parameters ' . $previousname . ' (' . ($pos - 1) . ') and ' . $paramname . ' (' . $pos . ') do not align';
$this->currentfile->addwarning($error, $errorpos);
}
}
// Make sure the names of the parameter comment matches the
// actual parameter.
if (isset($realparams[$pos - 1]) === true) {
$realname = $realparams[$pos - 1]['name'];
$foundparams[] = $realname;
// Append ampersand to name if passing by reference.
if ($realparams[$pos - 1]['pass_by_reference'] === true) {
$realname = '&' . $realname;
}
if ($realname !== $param->getvarname()) {
$error = 'Doc comment var "' . $paramname;
$error .= '" does not match actual variable name "' . $realname;
$error .= '" at position ' . $pos;
$this->currentfile->adderror($error, $errorpos);
}
} else {
// We must have an extra parameter comment.
$error = 'Superfluous doc comment at position ' . $pos;
$this->currentfile->adderror($error, $errorpos);
}
if ($param->getvarname() === '') {
$error = 'Missing parameter name at position ' . $pos;
$this->currentfile->adderror($error, $errorpos);
}
if ($param->gettype() === '') {
$error = 'Missing type at position ' . $pos;
$this->currentfile->adderror($error, $errorpos);
}
if ($paramcomment === '') {
$error = 'Missing comment for param "' . $paramname . '" at position ' . $pos;
$this->currentfile->adderror($error, $errorpos);
}
$previousparam = $param;
}
if ($spacebeforevar !== 1 && $spacebeforevar !== 10000 && $spacebeforecomment !== 10000) {
$error = 'Expected 1 space after the longest type';
$this->currentfile->adderror($error, $longesttype);
}
if ($spacebeforecomment !== 1 && $spacebeforecomment !== 10000) {
$error = 'Expected 1 space after the longest variable name';
$this->currentfile->adderror($error, $longestvar);
}
}
$realnames = array();
foreach ($realparams as $realparam) {
$realnames[] = $realparam['name'];
}
// Report and missing comments.
$diff = array_diff($realnames, $foundparams);
foreach ($diff as $neededparam) {
if (count($params) !== 0) {
$errorpos = $params[count($params) - 1]->getline() + $commentstart;
} else {
$errorpos = $commentstart;
}
$error = 'Doc comment for "' . $neededparam . '" missing';
$this->currentfile->adderror($error, $errorpos);
}
}