drivers/midi/MidiInputDeviceFactory.cpp

/***************************************************************************
 *                                                                         *
 *   LinuxSampler - modular, streaming capable sampler                     *
 *                                                                         *
 *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,                 *
 *   MA  02111-1307  USA                                                   *
 ***************************************************************************/

#include "MidiInputDeviceFactory.h"

// just to avoid linker problems
#include "MidiInputDeviceAlsa.h"

namespace LinuxSampler {

    std::map<String, MidiInputDeviceFactory::InnerFactory*> MidiInputDeviceFactory::InnerFactories;
    std::map<String, DeviceParameterFactory*> MidiInputDeviceFactory::ParameterFactories;

    // just a little hack to avoid linker problems
    static int ___init___foo___() {
        #if HAVE_ALSA
        MidiInputDeviceAlsa::Name().c_str();
        #endif // HAVE_ALSA
        return 0;
    }
    static int ___foo___ = ___init___foo___();

    MidiInputDevice* MidiInputDeviceFactory::Create(String DriverName, std::map<String,String> Parameters) throw (LinuxSamplerException) {
        if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no midi input driver '" + DriverName + "'.");
        //Let's see if we need to create parameters
        std::map<String,DeviceCreationParameter*> thisDeviceParams;
        DeviceParameterFactory* pParamFactory = ParameterFactories[DriverName];
        if (pParamFactory) {
                thisDeviceParams = pParamFactory->CreateAllParams(Parameters);
        } else {
                //No parameters are registered by the driver. Throw if any parameters were specified.
                if (Parameters.size() != 0) throw LinuxSamplerException("Driver '" + DriverName + "' does not have any parameters.");
        }
        //Now create the device using those parameters
        MidiInputDevice* pDevice = InnerFactories[DriverName]->Create(thisDeviceParams);
        //Now attach all parameters to the newely created device.
        for (std::map<String,DeviceCreationParameter*>::iterator iter = thisDeviceParams.begin(); iter != thisDeviceParams.end(); iter++) {
                iter->second->Attach(pDevice);
        }
        return pDevice;
    }

    std::vector<String> MidiInputDeviceFactory::AvailableDrivers() {
        std::vector<String> result;
        std::map<String, InnerFactory*>::iterator iter = InnerFactories.begin();
        while (iter != InnerFactories.end()) {
            result.push_back(iter->first);
            iter++;
        }
        return result;
    }

    String MidiInputDeviceFactory::AvailableDriversAsString() {
        std::vector<String> drivers = AvailableDrivers();
        String result;
        std::vector<String>::iterator iter = drivers.begin();
        for (; iter != drivers.end(); iter++) {
            if (result != "") result += ",";
            result += *iter;
        }
        return result;
    }

    std::map<String,DeviceCreationParameter*> MidiInputDeviceFactory::GetAvailableDriverParameters(String DriverName) throw (LinuxSamplerException) {
        if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no midi input driver '" + DriverName + "'.");
        std::map<String,DeviceCreationParameter*> thisDeviceParams;
        DeviceParameterFactory* pParamFactory = ParameterFactories[DriverName];
        if (pParamFactory) {
                thisDeviceParams = pParamFactory->CreateAllParams();
        }
        return thisDeviceParams;
    }

    DeviceCreationParameter* MidiInputDeviceFactory::GetDriverParameter(String DriverName, String ParameterName) throw (LinuxSamplerException) {
        std::map<String,DeviceCreationParameter*> parameters = GetAvailableDriverParameters(DriverName);
        if (!parameters.count(ParameterName)) throw LinuxSamplerException("Midi input driver '" + DriverName + "' does not have a parameter '" + ParameterName + "'.");
        return parameters[ParameterName];
    }

    String MidiInputDeviceFactory::GetDriverDescription(String DriverName) throw (LinuxSamplerException) {
        if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no midi input driver '" + DriverName + "'.");
        return InnerFactories[DriverName]->Description();
    }

    String MidiInputDeviceFactory::GetDriverVersion(String DriverName) throw (LinuxSamplerException) {
        if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no midi input driver '" + DriverName + "'.");
        return InnerFactories[DriverName]->Version();
    }

} // namespace LinuxSampler
1	schoenebeck	201	/***************************************************************************
2			* *
3			* LinuxSampler - modular, streaming capable sampler *
4			* *
5			* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6			* *
7			* This program is free software; you can redistribute it and/or modify *
8			* it under the terms of the GNU General Public License as published by *
9			* the Free Software Foundation; either version 2 of the License, or *
10			* (at your option) any later version. *
11			* *
12			* This program is distributed in the hope that it will be useful, *
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of *
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15			* GNU General Public License for more details. *
16			* *
17			* You should have received a copy of the GNU General Public License *
18			* along with this program; if not, write to the Free Software *
19			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
20			* MA 02111-1307 USA *
21			***************************************************************************/
22
23			#include "MidiInputDeviceFactory.h"
24
25	schoenebeck	288	// just to avoid linker problems
26			#include "MidiInputDeviceAlsa.h"
27
28	schoenebeck	201	namespace LinuxSampler {
29
30			std::map<String, MidiInputDeviceFactory::InnerFactory*> MidiInputDeviceFactory::InnerFactories;
31			std::map<String, DeviceParameterFactory*> MidiInputDeviceFactory::ParameterFactories;
32
33	schoenebeck	288	// just a little hack to avoid linker problems
34			static int ___init___foo___() {
35			#if HAVE_ALSA
36			MidiInputDeviceAlsa::Name().c_str();
37			#endif // HAVE_ALSA
38			return 0;
39			}
40			static int ___foo___ = ___init___foo___();
41
42	schoenebeck	201	MidiInputDevice* MidiInputDeviceFactory::Create(String DriverName, std::map<String,String> Parameters) throw (LinuxSamplerException) {
43			if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no midi input driver '" + DriverName + "'.");
44			//Let's see if we need to create parameters
45			std::map<String,DeviceCreationParameter*> thisDeviceParams;
46			DeviceParameterFactory* pParamFactory = ParameterFactories[DriverName];
47			if (pParamFactory) {
48			thisDeviceParams = pParamFactory->CreateAllParams(Parameters);
49			} else {
50			//No parameters are registered by the driver. Throw if any parameters were specified.
51			if (Parameters.size() != 0) throw LinuxSamplerException("Driver '" + DriverName + "' does not have any parameters.");
52			}
53			//Now create the device using those parameters
54			MidiInputDevice* pDevice = InnerFactories[DriverName]->Create(thisDeviceParams);
55			//Now attach all parameters to the newely created device.
56			for (std::map<String,DeviceCreationParameter*>::iterator iter = thisDeviceParams.begin(); iter != thisDeviceParams.end(); iter++) {
57			iter->second->Attach(pDevice);
58			}
59			return pDevice;
60			}
61
62			std::vector<String> MidiInputDeviceFactory::AvailableDrivers() {
63			std::vector<String> result;
64			std::map<String, InnerFactory*>::iterator iter = InnerFactories.begin();
65			while (iter != InnerFactories.end()) {
66			result.push_back(iter->first);
67			iter++;
68			}
69			return result;
70			}
71
72			String MidiInputDeviceFactory::AvailableDriversAsString() {
73			std::vector<String> drivers = AvailableDrivers();
74			String result;
75			std::vector<String>::iterator iter = drivers.begin();
76			for (; iter != drivers.end(); iter++) {
77			if (result != "") result += ",";
78			result += *iter;
79			}
80			return result;
81			}
82
83			std::map<String,DeviceCreationParameter*> MidiInputDeviceFactory::GetAvailableDriverParameters(String DriverName) throw (LinuxSamplerException) {
84			if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no midi input driver '" + DriverName + "'.");
85			std::map<String,DeviceCreationParameter*> thisDeviceParams;
86			DeviceParameterFactory* pParamFactory = ParameterFactories[DriverName];
87			if (pParamFactory) {
88			thisDeviceParams = pParamFactory->CreateAllParams();
89			}
90			return thisDeviceParams;
91			}
92
93			DeviceCreationParameter* MidiInputDeviceFactory::GetDriverParameter(String DriverName, String ParameterName) throw (LinuxSamplerException) {
94			std::map<String,DeviceCreationParameter*> parameters = GetAvailableDriverParameters(DriverName);
95			if (!parameters.count(ParameterName)) throw LinuxSamplerException("Midi input driver '" + DriverName + "' does not have a parameter '" + ParameterName + "'.");
96			return parameters[ParameterName];
97			}
98
99			String MidiInputDeviceFactory::GetDriverDescription(String DriverName) throw (LinuxSamplerException) {
100			if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no midi input driver '" + DriverName + "'.");
101			return InnerFactories[DriverName]->Description();
102			}
103
104			String MidiInputDeviceFactory::GetDriverVersion(String DriverName) throw (LinuxSamplerException) {
105			if (!InnerFactories.count(DriverName)) throw LinuxSamplerException("There is no midi input driver '" + DriverName + "'.");
106			return InnerFactories[DriverName]->Version();
107			}
108
109			} // namespace LinuxSampler