PidStoreHelper.h

Go to the documentation of this file.

/*
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * PidStoreHelper.h
 * Provides helper methods for loading / accessing the pid store, and dealing
 * with pids.
 * Copyright (C) 2011 Simon Newton
 */

#ifndef INCLUDE_OLA_RDM_PIDSTOREHELPER_H_
#define INCLUDE_OLA_RDM_PIDSTOREHELPER_H_

#include <stdint.h>
#include <ola/messaging/Descriptor.h>
#include <ola/messaging/SchemaPrinter.h>
#include <ola/rdm/MessageDeserializer.h>
#include <ola/rdm/MessageSerializer.h>
#include <ola/rdm/PidStore.h>
#include <ola/rdm/RDMMessagePrinters.h>
#include <ola/rdm/StringMessageBuilder.h>

#include <string>
#include <vector>


namespace ola {
namespace rdm {

using std::string;
using std::vector;


class PidStoreHelper {
 public:
 explicit PidStoreHelper(const string &pid_location,
 unsigned int initial_indent = 0);
 ~PidStoreHelper();

 bool Init();

 const ola::rdm::PidDescriptor *GetDescriptor(
 const string &pid_name,
 uint16_t manufacturer_id) const;
 const ola::rdm::PidDescriptor *GetDescriptor(
 uint16_t param_id,
 uint16_t manufacturer_id) const;

 const ola::messaging::Message *BuildMessage(
 const ola::messaging::Descriptor *descriptor,
 const vector<string> &inputs);

 const uint8_t *SerializeMessage(const ola::messaging::Message *message,
 unsigned int *data_length);

 const ola::messaging::Message *DeserializeMessage(
 const ola::messaging::Descriptor *descriptor,
 const uint8_t *data,
 unsigned int data_length);

 const string MessageToString(const ola::messaging::Message *message);

 const string PrettyPrintMessage(
 uint16_t manufacturer_id,
 bool is_set,
 uint16_t pid,
 const ola::messaging::Message *message);

 const string SchemaAsString(const ola::messaging::Descriptor *descriptor);

 void SupportedPids(uint16_t manufacturer_id,
 vector<string> *pid_names) const;

 void SupportedPids(
 uint16_t manufacturer_id,
 vector<const ola::rdm::PidDescriptor*> *descriptors) const;

 private:
 const string m_pid_location;
 const ola::rdm::RootPidStore *m_root_store;
 ola::rdm::StringMessageBuilder m_string_builder;
 ola::rdm::MessageSerializer m_serializer;
 ola::rdm::MessageDeserializer m_deserializer;
 ola::rdm::RDMMessagePrinter m_message_printer;
 ola::messaging::SchemaPrinter m_schema_printer;
};
} // namespace rdm
} // namespace ola
#endif // INCLUDE_OLA_RDM_PIDSTOREHELPER_H_