mirror of
https://github.com/wpilibsuite/allwpilib
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f89c5e150f
Also make sure table listeners stop listening in their destructors. This might be better handled by moving the table itself into ITableListener and providing cleanup functionality there. A submodule is used to pull in ntcore. Change-Id: I3031c1a768595cf0f8754c47e15cd423e2dbcce5
64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
/*----------------------------------------------------------------------------*/
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/* Copyright (c) FIRST 2011. All Rights Reserved.
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*/
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in $(WIND_BASE)/WPILib. */
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/*----------------------------------------------------------------------------*/
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#pragma once
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#include "ErrorBase.h"
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#include "Task.h"
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#include <map>
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#include <string>
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#include <vector>
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#include "HAL/cpp/Semaphore.hpp"
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#include "tables/ITableListener.h"
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#include "networktables/NetworkTable.h"
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/**
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* The preferences class provides a relatively simple way to save important
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* values to
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* the RoboRIO to access the next time the RoboRIO is booted.
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*
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* <p>This class loads and saves from a file
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* inside the RoboRIO. The user can not access the file directly, but may
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* modify values at specific
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* fields which will then be automatically periodically saved to the file
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* by the NetworkTable server.</p>
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*
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* <p>This class is thread safe.</p>
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*
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* <p>This will also interact with {@link NetworkTable} by creating a table
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* called "Preferences" with all the key-value pairs.</p>
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*/
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class Preferences : public ErrorBase {
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public:
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static Preferences *GetInstance();
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std::vector<std::string> GetKeys();
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std::string GetString(llvm::StringRef key, llvm::StringRef defaultValue = "");
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int GetInt(llvm::StringRef key, int defaultValue = 0);
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double GetDouble(llvm::StringRef key, double defaultValue = 0.0);
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float GetFloat(llvm::StringRef key, float defaultValue = 0.0);
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bool GetBoolean(llvm::StringRef key, bool defaultValue = false);
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int64_t GetLong(llvm::StringRef key, int64_t defaultValue = 0);
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void PutString(llvm::StringRef key, llvm::StringRef value);
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void PutInt(llvm::StringRef key, int value);
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void PutDouble(llvm::StringRef key, double value);
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void PutFloat(llvm::StringRef key, float value);
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void PutBoolean(llvm::StringRef key, bool value);
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void PutLong(llvm::StringRef key, int64_t value);
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[[deprecated(
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"Saving is now automatically performed by the NetworkTables server.")]]
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void Save();
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bool ContainsKey(llvm::StringRef key);
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void Remove(llvm::StringRef key);
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protected:
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Preferences();
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virtual ~Preferences() = default;
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private:
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std::shared_ptr<ITable> m_table;
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};
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