/[svn]/linuxsampler/trunk/src/network/lscpresultset.cpp
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revision 225 by schoenebeck, Sun Aug 22 14:46:47 2004 UTC revision 3034 by schoenebeck, Mon Oct 31 00:05:00 2016 UTC
# Line 3  Line 3 
3   *   LinuxSampler - modular, streaming capable sampler                     *   *   LinuxSampler - modular, streaming capable sampler                     *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *   *   Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck   *
6     *   Copyright (C) 2005 - 2016 Christian Schoenebeck                       *
7   *                                                                         *   *                                                                         *
8   *   This program is free software; you can redistribute it and/or modify  *   *   This program is free software; you can redistribute it and/or modify  *
9   *   it under the terms of the GNU General Public License as published by  *   *   it under the terms of the GNU General Public License as published by  *
# Line 36  Line 37 
37   * ******************************************************/   * ******************************************************/
38    
39  #include "lscpresultset.h"  #include "lscpresultset.h"
40    #include <iomanip>
41    #include "../common/global_private.h"
42    
43    
44    namespace LinuxSampler {
45    
46  //Construct an empty resultset  //Construct an empty resultset
47  //Default index is -1 meaning the resultset doesn't have an index  //Default index is -1 meaning the resultset doesn't have an index
# Line 59  LSCPResultSet::LSCPResultSet(String Valu Line 65  LSCPResultSet::LSCPResultSet(String Valu
65  //Values could be of different types for now supports String, int and float.  //Values could be of different types for now supports String, int and float.
66  void LSCPResultSet::Add(String Label, String Value) {  void LSCPResultSet::Add(String Label, String Value) {
67          if (count == -1)          if (count == -1)
68                  throw LinuxSamplerException("Attempting to change already produced resultset");                  throw Exception("Attempting to change already produced resultset");
69          if (result_type != result_type_success)          if (result_type != result_type_success)
70                  throw LinuxSamplerException("Attempting to create illegal resultset");                  throw Exception("Attempting to create illegal resultset");
71          storage = storage + Label + ": " + Value + "\r\n";          storage = storage + Label + ": " + Value + "\r\n";
72          count++;          count = 2; // results in form of "Label: Value" should always be handled as multi line responses
73  }  }
74    
75  void LSCPResultSet::Add(String Label, const char* pValue) {  void LSCPResultSet::Add(String Label, const char* pValue) {
76      Add(Label, String(pValue));      Add(Label, String(pValue));
77  }  }
78    
79    //Add SQL resultset row
80    void LSCPResultSet::Add(int columns, char** argv) {
81            for (int i = 0; i < columns; i++)
82            {
83                    storage += argv[i];
84                    if ((i+1) < columns)
85                            storage += "|";
86            }
87            storage += "\r\n";
88            count = 2; //This result is always multiline.
89    }
90    
91  void LSCPResultSet::Add(int Value) {  void LSCPResultSet::Add(int Value) {
92          Add(ToString(Value));          Add(ToString(Value));
93  }  }
# Line 79  void LSCPResultSet::Add(String Label, in Line 97  void LSCPResultSet::Add(String Label, in
97  }  }
98    
99  void LSCPResultSet::Add(String Label, float Value) {  void LSCPResultSet::Add(String Label, float Value) {
100      char s[1024];      std::stringstream ss;
101      snprintf(s, 1023, "%.3f", Value);      ss.imbue(std::locale::classic());
102      Add(Label, String(s));      ss << std::fixed << std::setprecision(3) << Value;
103        Add(Label, ss.str());
104  }  }
105    
106  void LSCPResultSet::Add(String Label, bool Value) {  void LSCPResultSet::Add(String Label, bool Value) {
# Line 92  void LSCPResultSet::Add(String Label, bo Line 111  void LSCPResultSet::Add(String Label, bo
111  //Add a single string to the resultset  //Add a single string to the resultset
112  void LSCPResultSet::Add(String Value) {  void LSCPResultSet::Add(String Value) {
113          if (result_type != result_type_success)          if (result_type != result_type_success)
114                  throw LinuxSamplerException("Attempting to create illegal resultset");                  throw Exception("Attempting to create illegal resultset");
115          if (count == -1)          if (count == -1)
116                  throw LinuxSamplerException("Attempting to change already produced resultset");                  throw Exception("Attempting to change already produced resultset");
117          if (count != 0)          if (count != 0)
118                  throw LinuxSamplerException("Attempting to create illegal resultset");                  throw Exception("Attempting to create illegal resultset");
119          storage = Value + "\r\n";          storage = Value + "\r\n";
120          count = 1;          count = 1;
121  }  }
122    
123    void LSCPResultSet::Add(String Label, const std::vector<float>& v) {
124        std::stringstream ss;
125        ss.imbue(std::locale::classic());
126        for (int i = 0; i < v.size(); i++) {
127            if (!ss.str().empty()) ss << ",";
128            ss << std::fixed << std::setprecision(3) << v[i];
129        }
130        Add(Label, ss.str());    
131    }
132    
133  //Generate an error result set from an exception.  //Generate an error result set from an exception.
134  //Per LSCP spec, error result is a sinle line in the following format:  //Per LSCP spec, error result is a sinle line in the following format:
135  //ERR:<CODE>:Message text\r\n  //ERR:<CODE>:Message text\r\n
136  //This method will be used to generate unknown errors only (code 0)  //This method will be used to generate unknown errors only (code 0)
137  //To generate errors with other codes as well as warnings use other methods (below).  //To generate errors with other codes as well as warnings use other methods (below).
138  //Because this is an unknown error, this method will also print message to the stderr.  //Because this is an unknown error, this method will also print message to the stderr.
139  void LSCPResultSet::Error(LinuxSamplerException e) {  void LSCPResultSet::Error(Exception e) {
140          e.PrintMessage();          e.PrintMessage();
141          Error(e.Message());          Error(e.Message());
142  }  }
# Line 141  void LSCPResultSet::Warning (String mess Line 170  void LSCPResultSet::Warning (String mess
170  //Produce resultset  //Produce resultset
171  String LSCPResultSet::Produce(void) {  String LSCPResultSet::Produce(void) {
172          //FIXME: I'm assuming that only a sinle like "OK" can have index          //FIXME: I'm assuming that only a sinle like "OK" can have index
173          if (count == 0) //When there is nothing in the resultset we just send "OK" to ack the request          if (count == 0) { //When there is nothing in the resultset we just send "OK" to ack the request
174                  if (result_index == -1)                  if (result_index == -1)
175                          return "OK\r\n";                          return "OK\r\n";
176                  else                  else
177                          return "OK[" + ToString(result_index) + "]\r\n";                          return "OK[" + ToString(result_index) + "]\r\n";
178        }
179          if (count == 1) //Single line results are just that, single line          if (count == 1) //Single line results are just that, single line
180                  return storage;                  return storage;
181          //Multiline results MUST end with a line with a single dot          //Multiline results MUST end with a line with a single dot
182          return storage + ".\r\n";          return storage + ".\r\n";
183  }  }
184    
185    }
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