/**
* Called once after traversal.
*
* Return value semantics:
* * null: $nodes stays as-is
* * otherwise: $nodes is set to the return value
*
* @param Node[] $nodes Array of nodes
*
* @return null|Node[] Array of nodes
*/
public function afterTraverse(array $nodes)
{
if ($this->namespace == '') {
$this->result->error(ErrorType::MISSING_NAMESPACE, null, 'Every source file should have a namespace');
}
$autoFix = $this->result->getConfig()->autoFix;
$useStatementOrganizer = new UseStatementOrganizer($this->useStatements);
$lineNumberMovements = [];
if (!$useStatementOrganizer->areOrganized()) {
$errorMsg = "Uses are not organized";
if ($autoFix) {
$lineSwaps = $useStatementOrganizer->getLineSwaps();
$lineNumberMovements = $useStatementOrganizer->getLineNumberMovements();
foreach ($lineSwaps as $currentLine => $newLine) {
$fix = new SwapLineFix($currentLine, $newLine, $errorMsg);
$this->result->fix($fix);
}
} else {
$lineSwaps = $useStatementOrganizer->getLineSwaps();
foreach ($lineSwaps as $currentLine => $newLine) {
$this->result->error(ErrorType::DISORGANIZED_USES, $currentLine, $errorMsg . ": this use should be on {$newLine}");
}
}
}
$unusedFixes = [];
foreach ($this->aliases as $use) {
$errorMsg = '';
$name = $use->getName();
if ($use->getUseCount() == 0) {
$errorMsg = "Use '{$name}' is not being used";
} elseif (str_replace("{$this->namespace}\\", '', "\\{$name}") === $use->getAlias()) {
$errorMsg = "Use '{$name}' is automatically included as it is in the same namespace";
}
if ($errorMsg) {
if ($autoFix) {
$line = $use->getNode()->getLine();
// if organization occurred the line may have moved
if (isset($lineNumberMovements[$line])) {
$line = $lineNumberMovements[$line];
}
$fix = new RemoveLineFix($line, $errorMsg);
$unusedFixes[$line] = $fix;
} else {
$this->result->error(ErrorType::UNUSED_USE, $use->getNode()->getLine(), $errorMsg);
}
}
}
if ($autoFix) {
// removing must be done in reverse order
krsort($unusedFixes);
foreach ($unusedFixes as $fix) {
$this->result->fix($fix);
}
}
}
/**
* @expectedException \BadMethodCallException
*/
public function testGetLineNumberMappingWithoutLineSwap()
{
$useStatementOrganizer = new UseStatementOrganizer([]);
$useStatementOrganizer->getLineNumberMovements();
}
