file-v-xattr
创建于 差异永不过期
QueryData genXattr(QueryContext& context) {
QueryData genFileImpl(QueryContext& context, Logger& logger) {
QueryData results;
QueryData results;
// Resolve file paths for EQUALS and LIKE operations.
// Resolve file paths for EQUALS and LIKE operations.
auto paths = context.constraints["path"].getAll(EQUALS);
auto paths = context.constraints["path"].getAll(EQUALS);
context.expandConstraints(
context.expandConstraints(
"path",
"path",
LIKE,
LIKE,
paths,
paths,
([&](const std::string& pattern, std::set<std::string>& out) {
([&](const std::string& pattern, std::set<std::string>& out) {
std::vector<std::string> patterns;
std::vector<std::string> patterns;
auto status =
auto status =
resolveFilePattern(pattern, patterns, GLOB_ALL | GLOB_NO_CANON);
resolveFilePattern(pattern, patterns, GLOB_ALL | GLOB_NO_CANON);
if (status.ok()) {
if (status.ok()) {
for (const auto& resolved : patterns) {
for (const auto& resolved : patterns) {
out.insert(resolved);
out.insert(resolved);
}
}
}
}
return status;
return status;
}));
}));
// Iterate through each of the resolved/supplied paths.
for (const auto& path_string : paths) {
for (const auto& path_string : paths) {
boost::filesystem::path path = path_string;
fs::path path = path_string;
boost::system::error_code ec;
genFileInfo(path, path.parent_path(), "", results);
// Folders can have extended attributes too
if (!(boost::filesystem::is_regular_file(path, ec) ||
boost::filesystem::is_directory(path, ec))) {
continue;
}
getFileData(results, path.string());
}
}
// Resolve directories for EQUALS and LIKE operations.
// Resolve directories for EQUALS and LIKE operations.
auto directories = context.constraints["directory"].getAll(EQUALS);
auto directories = context.constraints["directory"].getAll(EQUALS);
context.expandConstraints(
context.expandConstraints(
"directory",
"directory",
LIKE,
LIKE,
directories,
directories,
([&](const std::string& pattern, std::set<std::string>& out) {
([&](const std::string& pattern, std::set<std::string>& out) {
std::vector<std::string> patterns;
std::vector<std::string> patterns;
auto status =
auto status =
resolveFilePattern(pattern, patterns, GLOB_FOLDERS | GLOB_NO_CANON);
resolveFilePattern(pattern, patterns, GLOB_FOLDERS | GLOB_NO_CANON);
if (status.ok()) {
if (status.ok()) {
for (const auto& resolved : patterns) {
for (const auto& resolved : patterns) {
out.insert(resolved);
out.insert(resolved);
}
}
}
}
return status;
return status;
}));
}));
// Now loop through constraints using the directory column constraint.
// Now loop through constraints using the directory column constraint.
for (const auto& directory_string : directories) {
for (const auto& directory_string : directories) {
if (!isReadable(directory_string) || !isDirectory(directory_string)) {
if (!isReadable(directory_string) || !isDirectory(directory_string)) {
continue;
continue;
}
}
std::vector<std::string> files;
try {
if (listFilesInDirectory(directory_string, files).ok()) {
// Iterate over the directory and generate info for each regular file.
for (const auto& file : files) {
fs::directory_iterator begin(directory_string), end;
getFileData(results, file);
for (; begin != end; ++begin) {
genFileInfo(begin->path(), directory_string, "", results);
}
}
} catch (const fs::filesystem_error& /* e */) {
continue;
}
}
}
}
return results;
}
}
}