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// Copyright (c) FIRST and other WPILib contributors.
// Open Source Software; you can modify and/or share it under the terms of
// the WPILib BSD license file in the root directory of this project.
// THIS FILE WAS AUTO-GENERATED BY ./ntcore/generate_topics.py. DO NOT MODIFY
#pragma once
#include <stdint.h>
#include <utility>
#include <span>
#include <string_view>
#include <vector>
#include <wpi/json_fwd.h>
#include "networktables/NetworkTableType.h"
#include "networktables/Topic.h"
#include "ntcore_cpp.h"
namespace wpi {
template <typename T>
class SmallVectorImpl;
} // namespace wpi
namespace nt {
class StringArrayTopic;
/**
* NetworkTables StringArray subscriber.
*/
class StringArraySubscriber : public Subscriber {
public:
using TopicType = StringArrayTopic;
using ValueType = std::vector<std::string>;
using ParamType = std::span<const std::string>;
using TimestampedValueType = TimestampedStringArray;
StringArraySubscriber() = default;
/**
* Construct from a subscriber handle; recommended to use
* StringArrayTopic::Subscribe() instead.
*
* @param handle Native handle
* @param defaultValue Default value
*/
StringArraySubscriber(NT_Subscriber handle, ParamType defaultValue)
: Subscriber{handle},
m_defaultValue{defaultValue.begin(), defaultValue.end()} {}
/**
* Get the last published value.
* If no value has been published, returns the stored default value.
*
* @return value
*/
ValueType Get() const {
return Get(m_defaultValue);
}
/**
* Get the last published value.
* If no value has been published, returns the passed defaultValue.
*
* @param defaultValue default value to return if no value has been published
* @return value
*/
ValueType Get(ParamType defaultValue) const {
return ::nt::GetStringArray(m_subHandle, defaultValue);
}
/**
* Get the last published value along with its timestamp
* If no value has been published, returns the stored default value and a
* timestamp of 0.
*
* @return timestamped value
*/
TimestampedValueType GetAtomic() const {
return GetAtomic(m_defaultValue);
}
/**
* Get the last published value along with its timestamp.
* If no value has been published, returns the passed defaultValue and a
* timestamp of 0.
*
* @param defaultValue default value to return if no value has been published
* @return timestamped value
*/
TimestampedValueType GetAtomic(ParamType defaultValue) const {
return ::nt::GetAtomicStringArray(m_subHandle, defaultValue);
}
/**
* Get an array of all value changes since the last call to ReadQueue.
* Also provides a timestamp for each value.
*
* @note The "poll storage" subscribe option can be used to set the queue
* depth.
*
* @return Array of timestamped values; empty array if no new changes have
* been published since the previous call.
*/
std::vector<TimestampedValueType> ReadQueue() {
return ::nt::ReadQueueStringArray(m_subHandle);
}
/**
* Get the corresponding topic.
*
* @return Topic
*/
TopicType GetTopic() const;
private:
ValueType m_defaultValue;
};
/**
* NetworkTables StringArray publisher.
*/
class StringArrayPublisher : public Publisher {
public:
using TopicType = StringArrayTopic;
using ValueType = std::vector<std::string>;
using ParamType = std::span<const std::string>;
using TimestampedValueType = TimestampedStringArray;
StringArrayPublisher() = default;
/**
* Construct from a publisher handle; recommended to use
* StringArrayTopic::Publish() instead.
*
* @param handle Native handle
*/
explicit StringArrayPublisher(NT_Publisher handle) : Publisher{handle} {}
/**
* Publish a new value.
*
* @param value value to publish
* @param time timestamp; 0 indicates current NT time should be used
*/
void Set(ParamType value, int64_t time = 0) {
::nt::SetStringArray(m_pubHandle, value, time);
}
/**
* Publish a default value.
* On reconnect, a default value will never be used in preference to a
* published value.
*
* @param value value
*/
void SetDefault(ParamType value) {
::nt::SetDefaultStringArray(m_pubHandle, value);
}
/**
* Get the corresponding topic.
*
* @return Topic
*/
TopicType GetTopic() const;
};
/**
* NetworkTables StringArray entry.
*
* @note Unlike NetworkTableEntry, the entry goes away when this is destroyed.
*/
class StringArrayEntry final : public StringArraySubscriber,
public StringArrayPublisher {
public:
using SubscriberType = StringArraySubscriber;
using PublisherType = StringArrayPublisher;
using TopicType = StringArrayTopic;
using ValueType = std::vector<std::string>;
using ParamType = std::span<const std::string>;
using TimestampedValueType = TimestampedStringArray;
StringArrayEntry() = default;
/**
* Construct from an entry handle; recommended to use
* StringArrayTopic::GetEntry() instead.
*
* @param handle Native handle
* @param defaultValue Default value
*/
StringArrayEntry(NT_Entry handle, ParamType defaultValue)
: StringArraySubscriber{handle, defaultValue},
StringArrayPublisher{handle} {}
/**
* Determines if the native handle is valid.
*
* @return True if the native handle is valid, false otherwise.
*/
explicit operator bool() const { return m_subHandle != 0; }
/**
* Gets the native handle for the entry.
*
* @return Native handle
*/
NT_Entry GetHandle() const { return m_subHandle; }
/**
* Get the corresponding topic.
*
* @return Topic
*/
TopicType GetTopic() const;
/**
* Stops publishing the entry if it's published.
*/
void Unpublish() {
::nt::Unpublish(m_pubHandle);
}
};
/**
* NetworkTables StringArray topic.
*/
class StringArrayTopic final : public Topic {
public:
using SubscriberType = StringArraySubscriber;
using PublisherType = StringArrayPublisher;
using EntryType = StringArrayEntry;
using ValueType = std::vector<std::string>;
using ParamType = std::span<const std::string>;
using TimestampedValueType = TimestampedStringArray;
/** The default type string for this topic type. */
static constexpr std::string_view kTypeString = "string[]";
StringArrayTopic() = default;
/**
* Construct from a topic handle; recommended to use
* NetworkTableInstance::GetStringArrayTopic() instead.
*
* @param handle Native handle
*/
explicit StringArrayTopic(NT_Topic handle) : Topic{handle} {}
/**
* Construct from a generic topic.
*
* @param topic Topic
*/
explicit StringArrayTopic(Topic topic) : Topic{topic} {}
/**
* Create a new subscriber to the topic.
*
* <p>The subscriber is only active as long as the returned object
* is not destroyed.
*
* @note Subscribers that do not match the published data type do not return
* any values. To determine if the data type matches, use the appropriate
* Topic functions.
*
* @param defaultValue default value used when a default is not provided to a
* getter function
* @param options subscribe options
* @return subscriber
*/
[[nodiscard]]
SubscriberType Subscribe(
ParamType defaultValue,
const PubSubOptions& options = kDefaultPubSubOptions) {
return StringArraySubscriber{
::nt::Subscribe(m_handle, NT_STRING_ARRAY, "string[]", options),
defaultValue};
}
/**
* Create a new subscriber to the topic, with specific type string.
*
* <p>The subscriber is only active as long as the returned object
* is not destroyed.
*
* @note Subscribers that do not match the published data type do not return
* any values. To determine if the data type matches, use the appropriate
* Topic functions.
*
* @param typeString type string
* @param defaultValue default value used when a default is not provided to a
* getter function
* @param options subscribe options
* @return subscriber
*/
[[nodiscard]]
SubscriberType SubscribeEx(
std::string_view typeString, ParamType defaultValue,
const PubSubOptions& options = kDefaultPubSubOptions) {
return StringArraySubscriber{
::nt::Subscribe(m_handle, NT_STRING_ARRAY, typeString, options),
defaultValue};
}
/**
* Create a new publisher to the topic.
*
* The publisher is only active as long as the returned object
* is not destroyed.
*
* @note It is not possible to publish two different data types to the same
* topic. Conflicts between publishers are typically resolved by the
* server on a first-come, first-served basis. Any published values that
* do not match the topic's data type are dropped (ignored). To determine
* if the data type matches, use the appropriate Topic functions.
*
* @param options publish options
* @return publisher
*/
[[nodiscard]]
PublisherType Publish(const PubSubOptions& options = kDefaultPubSubOptions) {
return StringArrayPublisher{
::nt::Publish(m_handle, NT_STRING_ARRAY, "string[]", options)};
}
/**
* Create a new publisher to the topic, with type string and initial
* properties.
*
* The publisher is only active as long as the returned object
* is not destroyed.
*
* @note It is not possible to publish two different data types to the same
* topic. Conflicts between publishers are typically resolved by the
* server on a first-come, first-served basis. Any published values that
* do not match the topic's data type are dropped (ignored). To determine
* if the data type matches, use the appropriate Topic functions.
*
* @param typeString type string
* @param properties JSON properties
* @param options publish options
* @return publisher
*/
[[nodiscard]]
PublisherType PublishEx(std::string_view typeString,
const wpi::json& properties, const PubSubOptions& options = kDefaultPubSubOptions) {
return StringArrayPublisher{
::nt::PublishEx(m_handle, NT_STRING_ARRAY, typeString, properties, options)};
}
/**
* Create a new entry for the topic.
*
* Entries act as a combination of a subscriber and a weak publisher. The
* subscriber is active as long as the entry is not destroyed. The publisher
* is created when the entry is first written to, and remains active until
* either Unpublish() is called or the entry is destroyed.
*
* @note It is not possible to use two different data types with the same
* topic. Conflicts between publishers are typically resolved by the
* server on a first-come, first-served basis. Any published values that
* do not match the topic's data type are dropped (ignored), and the entry
* will show no new values if the data type does not match. To determine
* if the data type matches, use the appropriate Topic functions.
*
* @param defaultValue default value used when a default is not provided to a
* getter function
* @param options publish and/or subscribe options
* @return entry
*/
[[nodiscard]]
EntryType GetEntry(ParamType defaultValue,
const PubSubOptions& options = kDefaultPubSubOptions) {
return StringArrayEntry{
::nt::GetEntry(m_handle, NT_STRING_ARRAY, "string[]", options),
defaultValue};
}
/**
* Create a new entry for the topic, with specific type string.
*
* Entries act as a combination of a subscriber and a weak publisher. The
* subscriber is active as long as the entry is not destroyed. The publisher
* is created when the entry is first written to, and remains active until
* either Unpublish() is called or the entry is destroyed.
*
* @note It is not possible to use two different data types with the same
* topic. Conflicts between publishers are typically resolved by the
* server on a first-come, first-served basis. Any published values that
* do not match the topic's data type are dropped (ignored), and the entry
* will show no new values if the data type does not match. To determine
* if the data type matches, use the appropriate Topic functions.
*
* @param typeString type string
* @param defaultValue default value used when a default is not provided to a
* getter function
* @param options publish and/or subscribe options
* @return entry
*/
[[nodiscard]]
EntryType GetEntryEx(std::string_view typeString, ParamType defaultValue,
const PubSubOptions& options = kDefaultPubSubOptions) {
return StringArrayEntry{
::nt::GetEntry(m_handle, NT_STRING_ARRAY, typeString, options),
defaultValue};
}
};
inline StringArrayTopic StringArraySubscriber::GetTopic() const {
return StringArrayTopic{::nt::GetTopicFromHandle(m_subHandle)};
}
inline StringArrayTopic StringArrayPublisher::GetTopic() const {
return StringArrayTopic{::nt::GetTopicFromHandle(m_pubHandle)};
}
inline StringArrayTopic StringArrayEntry::GetTopic() const {
return StringArrayTopic{::nt::GetTopicFromHandle(m_subHandle)};
}
} // namespace nt