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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef TOOLS_GN_LIB_FILE_H_
#define TOOLS_GN_LIB_FILE_H_
#include <stddef.h>
#include <algorithm>
#include <string>
#include <string_view>
#include "tools/gn/source_file.h"
// Represents an entry in "libs" list. Can be either a path (a SourceFile) or
// a library name (a string).
class LibFile {
public:
LibFile() = default;
explicit LibFile(const std::string_view& lib_name);
explicit LibFile(const SourceFile& source_file);
bool is_source_file() const { return name_.empty(); }
// Returns name, or source_file().value() (whichever is set).
const std::string& value() const;
const SourceFile& source_file() const;
bool operator==(const LibFile& other) const {
return value() == other.value();
}
bool operator!=(const LibFile& other) const { return !operator==(other); }
bool operator<(const LibFile& other) const { return value() < other.value(); }
private:
std::string name_;
SourceFile source_file_;
};
namespace std {
template <>
struct hash<LibFile> {
std::size_t operator()(const LibFile& v) const {
hash<std::string> h;
return h(v.value());
}
};
} // namespace std
#endif // TOOLS_GN_LIB_FILE_H_