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//===--- Path.h -------------------------------------------------*- C++ -*-===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2018 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#ifndef INDEXSTOREDB_SUPPORT_PATH_H
#define INDEXSTOREDB_SUPPORT_PATH_H
#include "IndexStoreDB/Support/LLVM.h"
#include "IndexStoreDB/Support/Visibility.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/Path.h"
namespace IndexStoreDB {
class CanonicalFilePathRef;
class CanonicalFilePath {
std::string Path;
public:
CanonicalFilePath() = default;
inline CanonicalFilePath(CanonicalFilePathRef CanonPath);
const std::string &getPath() const { return Path; }
bool empty() const { return Path.empty(); }
friend bool operator==(CanonicalFilePath LHS, CanonicalFilePath RHS) {
return LHS.Path == RHS.Path;
}
friend bool operator!=(CanonicalFilePath LHS, CanonicalFilePath RHS) {
return !(LHS == RHS);
}
friend bool operator<(CanonicalFilePath LHS, CanonicalFilePath RHS) {
return LHS.Path < RHS.Path;
}
};
class CanonicalFilePathRef {
StringRef Path;
public:
CanonicalFilePathRef() = default;
CanonicalFilePathRef(const CanonicalFilePath &CanonPath)
: Path(CanonPath.getPath()) {}
static CanonicalFilePathRef getAsCanonicalPath(StringRef Path) {
CanonicalFilePathRef CanonPath;
CanonPath.Path = Path;
return CanonPath;
}
StringRef getPath() const { return Path; }
bool empty() const { return Path.empty(); }
size_t size() const { return Path.size(); }
friend bool operator==(CanonicalFilePathRef LHS, CanonicalFilePathRef RHS) {
return LHS.Path == RHS.Path;
}
friend bool operator!=(CanonicalFilePathRef LHS, CanonicalFilePathRef RHS) {
return !(LHS == RHS);
}
bool contains(CanonicalFilePathRef other) {
if (empty() || !other.Path.startswith(Path))
return false;
auto rest = other.Path.drop_front(size());
return !rest.empty() && llvm::sys::path::is_separator(rest.front());
}
};
inline CanonicalFilePath::CanonicalFilePath(CanonicalFilePathRef CanonPath)
: Path(CanonPath.getPath()) {}
class INDEXSTOREDB_EXPORT CanonicalPathCache {
void *Impl;
public:
CanonicalPathCache();
~CanonicalPathCache();
CanonicalFilePath getCanonicalPath(StringRef Path,
StringRef WorkingDir = StringRef());
};
} // namespace IndexStoreDB
#endif
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