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/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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 AAPT_SOURCE_H
#define AAPT_SOURCE_H
#include "util/Maybe.h"
#include "util/StringPiece.h"
#include <ostream>
#include <string>
namespace aapt {
/**
* Represents a file on disk. Used for logging and
* showing errors.
*/
struct Source {
std::string path;
Maybe<size_t> line;
Source() = default;
inline Source(const StringPiece& path) : path(path.toString()) {
}
inline Source(const StringPiece& path, size_t line) : path(path.toString()), line(line) {
}
inline Source withLine(size_t line) const {
return Source(path, line);
}
};
//
// Implementations
//
inline ::std::ostream& operator<<(::std::ostream& out, const Source& source) {
out << source.path;
if (source.line) {
out << ":" << source.line.value();
}
return out;
}
inline bool operator==(const Source& lhs, const Source& rhs) {
return lhs.path == rhs.path && lhs.line == rhs.line;
}
inline bool operator<(const Source& lhs, const Source& rhs) {
int cmp = lhs.path.compare(rhs.path);
if (cmp < 0) return true;
if (cmp > 0) return false;
if (lhs.line) {
if (rhs.line) {
return lhs.line.value() < rhs.line.value();
}
return false;
}
return bool(rhs.line);
}
} // namespace aapt
#endif // AAPT_SOURCE_H
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