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49385c8a07
Summary: C++17 Reviewed By: fanzeyi Differential Revision: D28966939 fbshipit-source-id: c8c9d49bc02557263a6acf9357c90b50e04fbdb9
43 lines
1016 B
C++
43 lines
1016 B
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This software may be used and distributed according to the terms of the
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* GNU General Public License version 2.
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*/
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#pragma once
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#include "eden/fs/utils/PathFuncs.h"
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namespace folly {
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class exception_wrapper;
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}
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namespace facebook::eden {
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class TreeEntry;
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/**
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* A callback that will be invoked with results from a diff operation.
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*
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* Note that the callback functions may be invoked from multiple threads
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* simultaneously, and the callback is responsible for implementing
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* synchronization properly.
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*/
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class DiffCallback {
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public:
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DiffCallback() {}
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virtual ~DiffCallback() {}
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virtual void ignoredFile(RelativePathPiece path) = 0;
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virtual void addedFile(RelativePathPiece path) = 0;
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virtual void removedFile(RelativePathPiece path) = 0;
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virtual void modifiedFile(RelativePathPiece path) = 0;
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virtual void diffError(
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RelativePathPiece path,
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const folly::exception_wrapper& ew) = 0;
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};
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} // namespace facebook::eden
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