allwpilib/wpilibc/wpilibC++/src/SmartDashboard/SmartDashboard.cpp

/*----------------------------------------------------------------------------*/
/* Copyright (c) FIRST 2011. All Rights Reserved.
 */
/* Open Source Software - may be modified and shared by FRC teams. The code   */
/* must be accompanied by the FIRST BSD license file in $(WIND_BASE)/WPILib.  */
/*----------------------------------------------------------------------------*/

#include "SmartDashboard/SmartDashboard.h"

//#include "NetworkCommunication/UsageReporting.h"
#include "SmartDashboard/NamedSendable.h"
#include "WPIErrors.h"
#include "networktables/NetworkTable.h"
#include "HLUsageReporting.h"

ITable *SmartDashboard::m_table = NULL;
std::map<ITable *, Sendable *> SmartDashboard::m_tablesToData;

void SmartDashboard::init() {
  m_table = NetworkTable::GetTable("SmartDashboard");

  HLUsageReporting::ReportSmartDashboard();
}

/**
 * Maps the specified key to the specified value in this table.
 * The key can not be NULL.
 * The value can be retrieved by calling the get method with a key that is equal
 * to the original key.
 * @param keyName the key
 * @param value the value
 */
void SmartDashboard::PutData(std::string key, Sendable *data) {
  if (data == NULL) {
    wpi_setGlobalWPIErrorWithContext(NullParameter, "value");
    return;
  }
  ITable *dataTable = m_table->GetSubTable(key);
  dataTable->PutString("~TYPE~", data->GetSmartDashboardType());
  data->InitTable(dataTable);
  m_tablesToData[dataTable] = data;
}

/**
 * Maps the specified key (where the key is the name of the {@link
 * SmartDashboardNamedData}
 * to the specified value in this table.
 * The value can be retrieved by calling the get method with a key that is equal
 * to the original key.
 * @param value the value
 */
void SmartDashboard::PutData(NamedSendable *value) {
  if (value == NULL) {
    wpi_setGlobalWPIErrorWithContext(NullParameter, "value");
    return;
  }
  PutData(value->GetName(), value);
}

/**
 * Returns the value at the specified key.
 * @param keyName the key
 * @return the value
 */
Sendable *SmartDashboard::GetData(std::string key) {
  ITable *subtable = m_table->GetSubTable(key);
  Sendable *data = m_tablesToData[subtable];
  if (data == NULL) {
    wpi_setGlobalWPIErrorWithContext(SmartDashboardMissingKey, key.c_str());
    return NULL;
  }
  return data;
}

/**
 * Maps the specified key to the specified complex value (such as an array) in
 * this table.
 * The key can not be NULL.
 * The value can be retrieved by calling the RetrieveValue method with a key
 * that is equal to the original key.
 * @param keyName the key
 * @param value the value
 */
void SmartDashboard::PutValue(std::string keyName, ComplexData &value) {
  m_table->PutValue(keyName, value);
}

/**
 * Retrieves the complex value (such as an array) in this table into the complex
 * data object
 * The key can not be NULL.
 * @param keyName the key
 * @param value the object to retrieve the value into
 */
void SmartDashboard::RetrieveValue(std::string keyName, ComplexData &value) {
  m_table->RetrieveValue(keyName, value);
}

/**
 * Maps the specified key to the specified value in this table.
 * The key can not be NULL.
 * The value can be retrieved by calling the get method with a key that is equal
 * to the original key.
 * @param keyName the key
 * @param value the value
 */
void SmartDashboard::PutBoolean(std::string keyName, bool value) {
  m_table->PutBoolean(keyName, value);
}

/**
 * Returns the value at the specified key. Throws an exception if the key is not
 * found in the table
 * @param keyName the key
 * @return the value
 */
bool SmartDashboard::GetBoolean(std::string keyName) {
  return m_table->GetBoolean(keyName);
}

/**
 * Returns the value at the specified key. If the key is not found, returns the
 * default value.
 * @param keyName the key
 * @return the value
 */
bool SmartDashboard::GetBoolean(std::string keyName, bool defaultValue) {
  return m_table->GetBoolean(keyName, defaultValue);
}

/**
 * Maps the specified key to the specified value in this table.
 * The key can not be NULL.
 * The value can be retrieved by calling the get method with a key that is equal
 * to the original key.
 * @param keyName the key
 * @param value the value
 */
void SmartDashboard::PutNumber(std::string keyName, double value) {
  m_table->PutNumber(keyName, value);
}

/**
 * Returns the value at the specified key. Throws an exception if the key is not
 * found in the table.
 * @param keyName the key
 * @return the value
 */
double SmartDashboard::GetNumber(std::string keyName) {
  return m_table->GetNumber(keyName);
}

/**
 * Returns the value at the specified key. If the key is not found, returns the
 * default value.
 * @param keyName the key
 * @return the value
 */
double SmartDashboard::GetNumber(std::string keyName, double defaultValue) {
  return m_table->GetNumber(keyName, defaultValue);
}

/**
 * Maps the specified key to the specified value in this table.
 * Neither the key nor the value can be NULL.
 * The value can be retrieved by calling the get method with a key that is equal
 * to the original key.
 * @param keyName the key
 * @param value the value
 */
void SmartDashboard::PutString(std::string keyName, std::string value) {
  m_table->PutString(keyName, value);
}

/**
 * Returns the value at the specified key.
 * @param keyName the key
 * @param value the buffer to fill with the value
 * @param valueLen the size of the buffer pointed to by value
 * @return the length of the string
 */
int SmartDashboard::GetString(std::string keyName, char *outBuffer,
                              unsigned int bufferLen) {
  std::string value = m_table->GetString(keyName);
  unsigned int i;
  for (i = 0; i < bufferLen - 1 && i < value.length(); ++i)
    outBuffer[i] = (char)value.at(i);
  outBuffer[i] = '\0';
  return i;
}

/**
 * Returns the value at the specified key. Throws an exception if the key is not
 * found in the table
 * @param keyName the key
 * @return the value
 */
std::string SmartDashboard::GetString(std::string keyName) {
  return m_table->GetString(keyName);
}

/**
 * Returns the value at the specified key. If the key is not found, returns the
 * default value.
 * @param keyName the key
 * @return the value
 */
std::string SmartDashboard::GetString(std::string keyName,
                                      std::string defaultValue) {
  return m_table->GetString(keyName, defaultValue);
}