rocksdb/util/regex.cc

51 lines
1.2 KiB
C++

// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
// LITE not supported here in part because of exception handling
#ifndef ROCKSDB_LITE
#include "rocksdb/utilities/regex.h"
#include <cassert>
#include <regex>
namespace ROCKSDB_NAMESPACE {
// This section would change for alternate underlying implementations other
// than std::regex.
#if 1
class Regex::Impl : public std::regex {
public:
using std::regex::basic_regex;
};
bool Regex::Matches(const std::string &str) const {
if (impl_) {
return std::regex_match(str, *impl_);
} else {
// Should not call Matches on unset Regex
assert(false);
return false;
}
}
Status Regex::Parse(const std::string &pattern, Regex *out) {
try {
out->impl_.reset(new Impl(pattern));
return Status::OK();
} catch (const std::regex_error &e) {
return Status::InvalidArgument(e.what());
}
}
#endif
Status Regex::Parse(const char *pattern, Regex *out) {
return Parse(std::string(pattern), out);
}
} // namespace ROCKSDB_NAMESPACE
#endif // ROCKSDB_LITE