Represents the current state of the command line that is being completed
protected function createInputFromContext(CompletionContext $context)
{
$words = $context->getWords();
$words = array_filter($words);
$this->mergeApplicationDefinition();
return new ArgvInput($words, $this->getDefinition());
}
/**
* Create a handler set up with the given commandline and cursor position
*
* @param $commandLine
* @param int $cursorIndex
* @return CompletionHandler
*/
protected function createHandler($commandLine, $cursorIndex = null)
{
$context = new CompletionContext();
$context->setCommandLine($commandLine);
$context->setCharIndex($cursorIndex === null ? strlen($commandLine) : $cursorIndex);
return new CompletionHandler($this->application, $context);
}
/**
* Returns possible argument values.
*
* @param string $argumentName Argument name.
* @param CompletionContext $context Completion context.
*
* @return array
*/
public function completeArgumentValues($argumentName, CompletionContext $context)
{
if ($argumentName === 'argument-with-suggestions') {
$suggestions = array('one-arg', 'two-arg');
if ('one' === $context->getCurrentWord()) {
$suggestions[] = 'one-arg-context';
}
return $suggestions;
}
return array();
}
/**
* Filter out results that don't match the current word on the command line
*
* @param string[] $array
* @return string[]
*/
protected function filterResults(array $array)
{
$curWord = $this->context->getCurrentWord();
return array_filter($array, function ($val) use($curWord) {
return fnmatch($curWord . '*', $val);
});
}
public function testCursorPosition()
{
$context = new CompletionContext();
$context->setCommandLine('make horse --legs 4 --colour black');
// Cursor at the start of the line
$context->setCharIndex(0);
$this->assertEquals(0, $context->getWordIndex());
// Cursor at the end of the line
$context->setCharIndex(34);
$this->assertEquals(5, $context->getWordIndex());
$this->assertEquals('black', $context->getCurrentWord());
// Cursor in the middle of 'horse'
$context->setCharIndex(8);
$this->assertEquals(1, $context->getWordIndex());
$this->assertEquals('hor', $context->getCurrentWord());
// Cursor at the end of '--legs'
$context->setCharIndex(17);
$this->assertEquals(2, $context->getWordIndex());
$this->assertEquals('--legs', $context->getCurrentWord());
}
/**
* {@inheritdoc}
*/
public function completeArgumentValues($argumentName, CompletionContext $context)
{
$aliases = [];
if ($argumentName === 'issue_number') {
// Get all the aliases that are similar to our current search.
$results = $this->repository->listAliases($context->getWordAtIndex(2));
foreach ($results as $alias) {
$aliases[] = $alias->alias;
}
}
return $aliases;
}
public function testWordBreakingWithSmallInputs()
{
$context = new CompletionContext();
// Cursor at the end of a word and not in the following space has no effect
$context->setCommandLine('cmd a');
$context->setCharIndex(5);
$this->assertEquals(array('cmd', 'a'), $context->getWords());
$this->assertEquals(1, $context->getWordIndex());
$this->assertEquals('a', $context->getCurrentWord());
// As above, but in the middle of the command line string
$context->setCommandLine('cmd a');
$context->setCharIndex(3);
$this->assertEquals(array('cmd', 'a'), $context->getWords());
$this->assertEquals(0, $context->getWordIndex());
$this->assertEquals('cmd', $context->getCurrentWord());
// Cursor at the end of the command line with a space appends an empty word
$context->setCommandLine('cmd a ');
$context->setCharIndex(8);
$this->assertEquals(array('cmd', 'a', ''), $context->getWords());
$this->assertEquals(2, $context->getWordIndex());
$this->assertEquals('', $context->getCurrentWord());
// Cursor in break space before a word appends an empty word in that position
$context->setCommandLine('cmd a');
$context->setCharIndex(4);
$this->assertEquals(array('cmd', '', 'a'), $context->getWords());
$this->assertEquals(1, $context->getWordIndex());
$this->assertEquals('', $context->getCurrentWord());
}