mirror of
https://github.com/facebook/sapling.git
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1953391b36
Summary: This will make it easier to compare a `TreeEntry` with a `TreeInode::Entry`. Reviewed By: simpkins Differential Revision: D4034298 fbshipit-source-id: 29674e2902661bf46394ea71b81537b35bd4b107
90 lines
2.1 KiB
C++
90 lines
2.1 KiB
C++
/*
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* Copyright (c) 2016, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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*/
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#pragma once
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#include "Hash.h"
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#include "TreeEntry.h"
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#include "eden/utils/PathFuncs.h"
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#include <folly/String.h>
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namespace facebook {
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namespace eden {
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class Hash;
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enum class TreeEntryType {
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BLOB,
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TREE,
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};
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enum class FileType {
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// The values for these enum entries correspond to the ones we would expect to
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// find in <sys/stat.h>. We hardcode them just in case the values in the
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// users's <sys/stat.h> are different. Note that Git performs a similar check:
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// https://github.com/git/git/blob/v2.7.4/configure.ac#L912-L917
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DIRECTORY = 0040,
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REGULAR_FILE = 0100,
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SYMLINK = 0120,
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};
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class TreeEntry {
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public:
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explicit TreeEntry(
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const Hash& hash,
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folly::StringPiece name,
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FileType fileType,
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uint8_t ownerPermissions)
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: fileType_(fileType),
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ownerPermissions_(ownerPermissions),
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hash_(hash),
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name_(PathComponentPiece(name)) {}
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const Hash& getHash() const {
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return hash_;
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}
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const PathComponent& getName() const {
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return name_;
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}
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TreeEntryType getType() const {
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return fileType_ == FileType::DIRECTORY ? TreeEntryType::TREE
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: TreeEntryType::BLOB;
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}
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FileType getFileType() const {
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return fileType_;
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}
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uint8_t getOwnerPermissions() const {
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return ownerPermissions_;
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}
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mode_t getMode() const {
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mode_t mode = static_cast<mode_t>(fileType_) << 9;
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// We should always honor the explicit owner permissions.
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mode |= ownerPermissions_ << 6;
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// We propagate the 'r' and 'x' values for the owner to group and other.
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mode |= (ownerPermissions_ & 0b101) << 3;
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mode |= (ownerPermissions_ & 0b101);
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return mode;
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}
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private:
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FileType fileType_;
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uint8_t ownerPermissions_;
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Hash hash_;
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PathComponent name_;
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};
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}
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}
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