mirror of
https://github.com/wpilibsuite/allwpilib
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46 lines
1.7 KiB
C++
46 lines
1.7 KiB
C++
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/*----------------------------------------------------------------------------*/
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/* Copyright (c) 2020 FIRST. All Rights Reserved. */
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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 the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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#include "glass/networktables/NTSubsystem.h"
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using namespace glass;
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NTSubsystemModel::NTSubsystemModel(wpi::StringRef path)
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: NTSubsystemModel(nt::GetDefaultInstance(), path) {}
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NTSubsystemModel::NTSubsystemModel(NT_Inst instance, wpi::StringRef path)
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: m_nt(instance),
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m_name(m_nt.GetEntry(path + "/.name")),
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m_defaultCommand(m_nt.GetEntry(path + "/.default")),
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m_currentCommand(m_nt.GetEntry(path + "/.command")) {
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m_nt.AddListener(m_name);
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m_nt.AddListener(m_defaultCommand);
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m_nt.AddListener(m_currentCommand);
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Update();
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}
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void NTSubsystemModel::Update() {
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for (auto&& event : m_nt.PollListener()) {
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if (event.entry == m_name) {
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if (event.value && event.value->IsString())
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m_nameValue = event.value->GetString();
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} else if (event.entry == m_defaultCommand) {
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if (event.value && event.value->IsString())
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m_defaultCommandValue = event.value->GetString();
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} else if (event.entry == m_currentCommand) {
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if (event.value && event.value->IsString()) {
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m_currentCommandValue = event.value->GetString();
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}
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}
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}
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}
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bool NTSubsystemModel::Exists() {
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return m_nt.IsConnected() &&
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nt::GetEntryType(m_defaultCommand) != NT_UNASSIGNED;
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}
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