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annotate extern/vera/src/plugins/Parameters.cpp @ 655:cda30ca5bb76

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Irccd: style (controller) #782
author David Demelier <markand@malikania.fr>
date Tue, 27 Mar 2018 20:30:59 +0200
parents a7c0eb100760
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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548
a7c0eb100760 CMake: import vera++ 1.3.0, closes #729
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1 //
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2 // Copyright (C) 2006-2007 Maciej Sobczak
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3 // Distributed under the Boost Software License, Version 1.0.
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4 // (See accompanying file LICENSE_1_0.txt or copy at
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5 // http://www.boost.org/LICENSE_1_0.txt)
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6 //
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7
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8 #include "Parameters.h"
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9 #include <fstream>
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10 #include <sstream>
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11 #include <map>
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12 #include <cstring>
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13 #include <cerrno>
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14
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15
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16 namespace // unnamed
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17 {
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18
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19 typedef std::map<Vera::Plugins::Parameters::ParamName, Vera::Plugins::Parameters::ParamValue>
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20 ParametersCollection;
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21
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22 ParametersCollection parameters_;
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23
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24 } // unnamed namespace
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25
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26 namespace Vera
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27 {
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28 namespace Plugins
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29 {
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30
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31 void Parameters::set(const ParamAssoc & assoc)
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32 {
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33 std::string::size_type pos = assoc.find("=");
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34 if (pos != std::string::npos)
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35 {
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36 ParamName name = assoc.substr(0, pos);
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37 ParamValue value = assoc.substr(pos + 1);
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38
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39 parameters_[name] = value;
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40 }
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41 else
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42 {
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43 std::ostringstream ss;
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44 ss << "Invalid parameter association: " << assoc;
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45 throw ParametersError(ss.str());
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46 }
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47 }
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48
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49
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50 Parameters::ParamValue Parameters::get(const ParamName & name, const ParamValue & defaultValue)
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51 {
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52 ParametersCollection::iterator it = parameters_.find(name);
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53 if (it != parameters_.end())
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54 {
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55 return it->second;
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56 }
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57 else
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58 {
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59 return defaultValue;
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60 }
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61 }
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62
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63
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64 void Parameters::readFromFile(const FileName & name)
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65 {
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66 std::ifstream file(name.c_str());
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67 if (file.is_open() == false)
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68 {
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69 std::ostringstream ss;
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70 ss << "Cannot open parameters file " << name << ": "
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71 << strerror(errno);
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72 throw ParametersError(ss.str());
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73 }
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74
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75 std::string line;
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76 int lineNumber = 0;
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77 while (getline(file, line))
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78 {
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79 ++lineNumber;
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80
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81 if (line.empty())
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82 {
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83 continue;
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84 }
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85
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86 if (line[0] != '#')
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87 {
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88 set(line);
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89 }
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90 }
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91 if (file.bad())
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92 {
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93 throw std::runtime_error(
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94 "Cannot read from " + name + ": " + strerror(errno));
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95 }
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96 file.close();
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97 }
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98
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99 }
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100 }