/[svn]/linuxsampler/trunk/src/network/lscpresultset.cpp
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revision 113 by senkov, Sun Jun 6 20:59:49 2004 UTC revision 116 by senkov, Tue Jun 8 00:48:20 2004 UTC
# Line 20  Line 20 
20   *   MA  02111-1307  USA                                                   *   *   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"  #include "lscpresultset.h"
39  #include "../common/LinuxSamplerException.h"  #include "../common/LinuxSamplerException.h"
40    
41    //Construct an empty resultset
42  LSCPResultSet::LSCPResultSet(void) {  LSCPResultSet::LSCPResultSet(void) {
43          count = 0;          count = 0;
44          storage = "";          storage = "";
45  }  }
46    
47    //Construct a resultset with a single line
48  LSCPResultSet::LSCPResultSet(String Value) {  LSCPResultSet::LSCPResultSet(String Value) {
49          count = 1;          count = 1;
50          storage = Value + "\r\n";          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) {  void LSCPResultSet::Add(String Label, String Value) {
56          if (count == -1)          if (count == -1)
57                  throw LinuxSamplerException("Attempting to change already produced resultset");                  throw LinuxSamplerException("Attempting to change already produced resultset");
# Line 52  void LSCPResultSet::Add(String Label, fl Line 71  void LSCPResultSet::Add(String Label, fl
71          Add(Label, temp);          Add(Label, temp);
72  }  }
73    
74    //Add a single string to the resultset
75  void LSCPResultSet::Add(String Value) {  void LSCPResultSet::Add(String Value) {
76          if (count == -1)          if (count == -1)
77                  throw LinuxSamplerException("Attempting to change already produced resultset");                  throw LinuxSamplerException("Attempting to change already produced resultset");
# Line 61  void LSCPResultSet::Add(String Value) { Line 81  void LSCPResultSet::Add(String Value) {
81          count = 1;          count = 1;
82  }  }
83    
84    //Produce resultset
85  String LSCPResultSet::Produce(void) {  String LSCPResultSet::Produce(void) {
86          if (count == 0)          if (count == 0) //When there is nothing in the resultset we just send "OK" to ack the request
87                  return "OK\r\n";                  return "OK\r\n";
88          if (count == 1)          if (count == 1) //Single line results are just that, single line
89                  return storage;                  return storage;
90            //Multiline results MUST end with a line with a single dot
91          return storage + ".\r\n";          return storage + ".\r\n";
92  }  }
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