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phab/src/applications/diffusion/conduit/DiffusionSearchQueryConduitAPIMethod.php
2e7f2b735702feature/better-testing

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DiffusionSearchQueryConduitAPIMethod.php
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<?php
final class DiffusionSearchQueryConduitAPIMethod
extends DiffusionQueryConduitAPIMethod {
public function getAPIMethodName() {
return 'diffusion.searchquery';
}
public function getMethodDescription() {
return pht('Search (grep) a repository at a specific path and commit.');
}
protected function defineReturnType() {
return 'array';
}
protected function defineCustomParamTypes() {
return array(
'path' => 'required string',
'commit' => 'optional string',
'grep' => 'required string',
'limit' => 'optional int',
'offset' => 'optional int',
);
}
protected function getResult(ConduitAPIRequest $request) {
try {
$results = parent::getResult($request);
} catch (CommandException $ex) {
$err = $ex->getError();
if ($err === 1) {
// `git grep` and `hg grep` exit with 1 if there are no matches;
// assume we just didn't get any hits.
return array();
}
throw $ex;
}
$offset = $request->getValue('offset');
$results = array_slice($results, $offset);
return $results;
}
protected function getGitResult(ConduitAPIRequest $request) {
$drequest = $this->getDiffusionRequest();
$path = $drequest->getPath();
$grep = $request->getValue('grep');
$repository = $drequest->getRepository();
$limit = $request->getValue('limit');
$offset = $request->getValue('offset');
$results = array();
$future = $repository->getLocalCommandFuture(
// NOTE: --perl-regexp is available only with libpcre compiled in.
'grep --extended-regexp --null -n --no-color -e %s %s -- %s',
$grep,
$drequest->getStableCommit(),
$path);
$binary_pattern = '/Binary file [^:]*:(.+) matches/';
$lines = new LinesOfALargeExecFuture($future);
foreach ($lines as $line) {
$result = null;
if (preg_match('/[^:]*:(.+)\0(.+)\0(.*)/', $line, $result)) {
$results[] = array_slice($result, 1);
} else if (preg_match($binary_pattern, $line, $result)) {
list(, $path) = $result;
$results[] = array($path, null, pht('Binary file'));
} else {
$results[] = array(null, null, $line);
}
if (count($results) >= $offset + $limit) {
break;
}
}
unset($lines);
return $results;
}
protected function getMercurialResult(ConduitAPIRequest $request) {
$drequest = $this->getDiffusionRequest();
$path = $drequest->getPath();
$grep = $request->getValue('grep');
$repository = $drequest->getRepository();
$limit = $request->getValue('limit');
$offset = $request->getValue('offset');
$results = array();
$future = $repository->getLocalCommandFuture(
'grep --rev %s --print0 --line-number %s %s',
hgsprintf('ancestors(%s)', $drequest->getStableCommit()),
$grep,
$path);
$lines = id(new LinesOfALargeExecFuture($future))->setDelimiter("\0");
$parts = array();
foreach ($lines as $line) {
$parts[] = $line;
if (count($parts) == 4) {
list($path, $char_offset, $line, $string) = $parts;
$results[] = array($path, $line, $string);
if (count($results) >= $offset + $limit) {
break;
}
$parts = array();
}
}
unset($lines);
return $results;
}
}
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