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// Copyright 2012 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 INCLUDES_NORMALIZE_H_
#define INCLUDES_NORMALIZE_H_
#include <string>
#include <vector>
struct StringPiece;
/// Utility functions for normalizing include paths on Windows.
/// TODO: this likely duplicates functionality of CanonicalizePath; refactor.
struct IncludesNormalize {
/// Normalize path relative to |relative_to|.
IncludesNormalize(const std::string& relative_to);
// Internal utilities made available for testing, maybe useful otherwise.
static std::string AbsPath(StringPiece s, std::string* err);
static std::string Relativize(StringPiece path,
const std::vector<StringPiece>& start_list,
std::string* err);
/// Normalize by fixing slashes style, fixing redundant .. and . and makes the
/// path |input| relative to |this->relative_to_| and store to |result|.
bool Normalize(const std::string& input, std::string* result,
std::string* err) const;
private:
std::string relative_to_;
std::vector<StringPiece> split_relative_to_;
};
#endif // INCLUDES_NORMALIZE_H_
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