src/network/lscpresultset.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                                                   *
 ***************************************************************************/

/*********************************************************
 * This class helps to constuct valid resultsets per
 * LSCP protocol specification
 *
 * Valid results include:
 * OK - to ack the request
 * Single line to ack the requests and give status
 * Several lines of information in the following format:
 * LABEL0: VALUE0
 * LABEL1: VALUE1
 * VALELx: VALUEx
 * .
 *
 * ******************************************************/

#include "lscpresultset.h"
#include "../common/LinuxSamplerException.h"

//Construct an empty resultset
LSCPResultSet::LSCPResultSet(void) {
        count = 0;
        storage = "";
}

//Construct a resultset with a single line
LSCPResultSet::LSCPResultSet(String Value) {
        count = 1;
        storage = Value + "\r\n";
}

//Add a label/value pair to the resultset
//Values could be of different types for now supports String, int and float.
void LSCPResultSet::Add(String Label, String Value) {
        if (count == -1)
                throw LinuxSamplerException("Attempting to change already produced resultset");
        storage = storage + Label + ": " + Value + "\r\n";
        count++;
}

void LSCPResultSet::Add(String Label, int Value) {
        char temp[16];
        snprintf(temp, sizeof(temp), "%i", Value);
        Add(Label, temp);
}

void LSCPResultSet::Add(String Label, float Value) {
        char temp[16];
        snprintf(temp, sizeof(temp), "%10.4f", Value);
        Add(Label, temp);
}

//Add a single string to the resultset
void LSCPResultSet::Add(String Value) {
        if (count == -1)
                throw LinuxSamplerException("Attempting to change already produced resultset");
        if (count != 0)
                throw LinuxSamplerException("Attempting to create illegal resultset");
        storage = Value + "\r\n";
        count = 1;
}

//Produce resultset
String LSCPResultSet::Produce(void) {
        if (count == 0) //When there is nothing in the resultset we just send "OK" to ack the request
                return "OK\r\n";
        if (count == 1) //Single line results are just that, single line
                return storage;
        //Multiline results MUST end with a line with a single dot
        return storage + ".\r\n";
}
1	/***************************************************************************
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	/*********************************************************
24	* This class helps to constuct valid resultsets per
25	* LSCP protocol specification
26	*
27	* Valid results include:
28	* OK - to ack the request
29	* Single line to ack the requests and give status
30	* Several lines of information in the following format:
31	* LABEL0: VALUE0
32	* LABEL1: VALUE1
33	* VALELx: VALUEx
34	* .
35	*
36	* ******************************************************/
37
38	#include "lscpresultset.h"
39	#include "../common/LinuxSamplerException.h"
40
41	//Construct an empty resultset
42	LSCPResultSet::LSCPResultSet(void) {
43	count = 0;
44	storage = "";
45	}
46
47	//Construct a resultset with a single line
48	LSCPResultSet::LSCPResultSet(String Value) {
49	count = 1;
50	storage = Value + "\r\n";
51	}
52
53	//Add a label/value pair to the resultset
54	//Values could be of different types for now supports String, int and float.
55	void LSCPResultSet::Add(String Label, String Value) {
56	if (count == -1)
57	throw LinuxSamplerException("Attempting to change already produced resultset");
58	storage = storage + Label + ": " + Value + "\r\n";
59	count++;
60	}
61
62	void LSCPResultSet::Add(String Label, int Value) {
63	char temp[16];
64	snprintf(temp, sizeof(temp), "%i", Value);
65	Add(Label, temp);
66	}
67
68	void LSCPResultSet::Add(String Label, float Value) {
69	char temp[16];
70	snprintf(temp, sizeof(temp), "%10.4f", Value);
71	Add(Label, temp);
72	}
73
74	//Add a single string to the resultset
75	void LSCPResultSet::Add(String Value) {
76	if (count == -1)
77	throw LinuxSamplerException("Attempting to change already produced resultset");
78	if (count != 0)
79	throw LinuxSamplerException("Attempting to create illegal resultset");
80	storage = Value + "\r\n";
81	count = 1;
82	}
83
84	//Produce resultset
85	String LSCPResultSet::Produce(void) {
86	if (count == 0) //When there is nothing in the resultset we just send "OK" to ack the request
87	return "OK\r\n";
88	if (count == 1) //Single line results are just that, single line
89	return storage;
90	//Multiline results MUST end with a line with a single dot
91	return storage + ".\r\n";
92	}