QueryData genFile(QueryContext& context) {
QueryData results;
// Resolve file paths for EQUALS and LIKE operations.
auto paths = context.constraints["path"].getAll(EQUALS);
context.expandConstraints(
"path",
LIKE,
paths,
([&](const std::string& pattern, std::set<std::string>& out) {
std::vector<std::string> patterns;
auto status =
resolveFilePattern(pattern, patterns, GLOB_ALL | GLOB_NO_CANON);
if (status.ok()) {
for (const auto& resolved : patterns) {
out.insert(resolved);
}
}
return status;
}));
// Iterate through each of the resolved/supplied paths.
for (const auto& path_string : paths) {
fs::path path = path_string;
genFileInfo(path, path.parent_path(), "", results);
}
// Resolve directories for EQUALS and LIKE operations.
auto directories = context.constraints["directory"].getAll(EQUALS);
context.expandConstraints(
"directory",
LIKE,
directories,
([&](const std::string& pattern, std::set<std::string>& out) {
std::vector<std::string> patterns;
auto status =
resolveFilePattern(pattern, patterns, GLOB_FOLDERS | GLOB_NO_CANON);
if (status.ok()) {
for (const auto& resolved : patterns) {
out.insert(resolved);
}
}
return status;
}));
// Now loop through constraints using the directory column constraint.
for (const auto& directory_string : directories) {
if (!isReadable(directory_string) || !isDirectory(directory_string)) {
continue;
}
try {
// Iterate over the directory and generate info for each regular file.
fs::directory_iterator begin(directory_string), end;
for (; begin != end; ++begin) {
genFileInfo(begin->path(), directory_string, "", results);
}
} catch (const fs::filesystem_error& e) {
continue;
}
}
return results;
}
QueryData genFile(QueryContext& context) {
QueryData results;
auto paths = context.constraints["path"].getAll(EQUALS);
for (const auto& path_string : paths) {
fs::path path = path_string;
genFileInfo(path_string,
path.filename().string(),
path.parent_path().string(),
"",
results);
}
// Now loop through constraints using the directory column constraint.
auto directories = context.constraints["directory"].getAll(EQUALS);
for (const auto& directory_string : directories) {
if (!isReadable(directory_string) || !isDirectory(directory_string)) {
continue;
}
try {
// Iterate over the directory and generate info for each regular file.
fs::directory_iterator begin(directory_string), end;
for (; begin != end; ++begin) {
genFileInfo(begin->path().string(),
begin->path().filename().string(),
directory_string,
"",
results);
}
} catch (const fs::filesystem_error& e) {
continue;
}
}
// Now loop through constraints using the pattern column constraint.
auto patterns = context.constraints["pattern"].getAll(EQUALS);
if (patterns.size() != 1) {
return results;
}
for (const auto& pattern : patterns) {
std::vector<std::string> expanded_patterns;
auto status = resolveFilePattern(pattern, expanded_patterns);
if (!status.ok()) {
VLOG(1) << "Could not expand pattern properly: " << status.toString();
return results;
}
for (const auto& resolved : expanded_patterns) {
fs::path path = resolved;
genFileInfo(resolved,
path.filename().string(),
path.parent_path().string(),
pattern,
results);
}
}
return results;
}