/**
* {@inheritdoc}
*/
protected function buildContentFiltering(ehough_finder_shell_Command $command, array $contains, $not = false)
{
foreach ($contains as $contain) {
$expr = ehough_finder_expression_Expression::create($contain);
// todo: avoid forking process for each $pattern by using multiple -e options
$command->add('| grep -v \'^$\'')->add('| xargs -I{} grep -I')->add($expr->isCaseSensitive() ? null : '-i')->add($not ? '-L' : '-l')->add('-Ee')->arg($expr->renderPattern())->add('{}');
}
}
/**
* @dataProvider getToRegexData
*/
public function testGlobToRegex($glob, $match, $noMatch)
{
foreach ($match as $m) {
$this->assertRegExp(ehough_finder_expression_Expression::create($glob)->getRegex()->render(), $m, '::toRegex() converts a glob to a regexp');
}
foreach ($noMatch as $m) {
$this->assertNotRegExp(ehough_finder_expression_Expression::create($glob)->getRegex()->render(), $m, '::toRegex() converts a glob to a regexp');
}
}
/**
* @param ehough_finder_shell_Command $command
* @param string $dir
* @param string[] $paths
* @param Boolean $not
*/
private function buildPathsFiltering(ehough_finder_shell_Command $command, $dir, array $paths, $not = false)
{
if (0 === count($paths)) {
return;
}
$command->add($not ? '-not' : null)->cmd('(');
foreach ($paths as $i => $path) {
$expr = ehough_finder_expression_Expression::create($path);
// Find does not support expandable globs ("*.{a,b}" syntax).
if ($expr->isGlob() && $expr->getGlob()->isExpandable()) {
$expr = ehough_finder_expression_Expression::create($expr->getGlob()->toRegex(false));
}
// Fixes 'not search' regex problems.
if ($expr->isRegex()) {
$regex = $expr->getRegex();
$regex->prepend($regex->hasStartFlag() ? $dir . DIRECTORY_SEPARATOR : '.*')->setEndJoker(!$regex->hasEndFlag());
} else {
$expr->prepend('*')->append('*');
}
$command->add($i > 0 ? '-or' : null)->add($expr->isRegex() ? $expr->isCaseSensitive() ? '-regex' : '-iregex' : ($expr->isCaseSensitive() ? '-path' : '-ipath'))->arg($expr->renderPattern());
}
$command->cmd(')');
}
/**
* Converts glob to regexp.
*
* PCRE patterns are left unchanged.
* ehough_finder_expression_Glob strings are transformed with ehough_finder_expression_Glob::toRegex().
*
* @param string $str Pattern: glob or regexp
*
* @return string regexp corresponding to a given glob or regexp
*/
protected function toRegex($str)
{
return ehough_finder_expression_Expression::create($str)->getRegex()->render();
}
/**
* Checks whether the string is a regex.
*
* @param string $str
*
* @return Boolean Whether the given string is a regex
*/
protected function isRegex($str)
{
return ehough_finder_expression_Expression::create($str)->isRegex();
}
/**
* @dataProvider getRegexRenderingData
*/
public function testRegexRendering($expr, $body)
{
$this->assertEquals($body, ehough_finder_expression_Expression::create($expr)->renderPattern());
}