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91 lines (76 loc) · 2.45 KB
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// Copyright 2020 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef BLOATY_RE_H_
#define BLOATY_RE_H_
#include <string>
#ifdef USE_RE2
#include "re2/re2.h"
#endif
#include "absl/base/attributes.h"
namespace bloaty {
#ifdef USE_RE2
class ReImpl {
public:
ReImpl(const char* pattern) : re2_(pattern){};
ReImpl(const std::string& pattern) : re2_(pattern){};
bool ok() { return re2_.ok(); }
static bool Extract(std::string text, const ReImpl& re, std::string rewrite,
std::string* out) {
return RE2::Extract(text, re.re2_, rewrite, out);
}
template <typename... A>
static bool PartialMatch(const std::string& text, const ReImpl& re,
A&&... a) {
return RE2::PartialMatch(text, re.re2_, a...);
}
static int GlobalReplace(std::string* str, const ReImpl& re,
std::string rewrite) {
return RE2::GlobalReplace(str, re.re2_, rewrite);
}
static bool Replace(std::string* str, const ReImpl& re, std::string rewrite) {
return RE2::Replace(str, re.re2_, rewrite);
}
private:
RE2 re2_;
};
#else
}
ABSL_ATTRIBUTE_NORETURN
static void _abort() { throw "No support for regular expressions"; }
namespace bloaty {
class ReImpl {
public:
ReImpl(const char*) { _abort(); }
ReImpl(const std::string&) { _abort(); }
bool ok() { _abort(); }
ABSL_ATTRIBUTE_NORETURN
static bool Extract(std::string, const ReImpl&, std::string, std::string*) {
_abort();
}
template <typename... A>
ABSL_ATTRIBUTE_NORETURN static bool PartialMatch(const std::string&,
const ReImpl&, A&&...) {
_abort();
}
ABSL_ATTRIBUTE_NORETURN
static int GlobalReplace(std::string*, const ReImpl&, std::string) {
_abort();
}
ABSL_ATTRIBUTE_NORETURN
static bool Replace(std::string*, const ReImpl&, std::string) { _abort(); }
private:
};
#endif
} // namespace bloaty
#endif // BLOATY_RE_H_