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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #include "IResult.h"
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23
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24 #include "Utf8StringValue.h"
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25
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26 #include <Compatibility.h>
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27 #include <OrthancException.h>
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28
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29 #include <cassert>
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30 #include <list>
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31 #include <vector>
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32 #include <ostream>
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33
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34 namespace OrthancDatabases
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35 {
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36 static void PrintSeparators(std::ostream& stream,
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37 char c,
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38 size_t count)
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39 {
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40 for (size_t i = 0; i < count; i++)
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41 {
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42 stream << c;
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43 }
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44 }
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45
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46
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47 static void PrintHeader(std::ostream& stream,
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48 const std::vector<size_t>& maxWidth)
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49 {
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50 for (size_t i = 0; i < maxWidth.size(); i++)
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51 {
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52 stream << '+';
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53 PrintSeparators(stream, '-', maxWidth[i] + 2);
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54 }
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55
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56 stream << '+' << std::endl;
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57 }
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58
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59
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60 void IResult::Print(std::ostream& stream,
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61 IResult& result)
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62 {
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63 typedef std::list< std::vector<std::string> > Table;
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64
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65 Table table;
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66
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67 const size_t columns = result.GetFieldsCount();
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68
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69 std::vector<size_t> maxWidth(columns);
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70
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71 while (!result.IsDone())
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72 {
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73 table.push_back(std::vector<std::string>(columns));
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74
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75 for (size_t i = 0; i < columns; i++)
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76 {
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77 std::string value;
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78
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79 try
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80 {
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81 std::unique_ptr<IValue> converted(
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82 result.GetField(i).Convert(ValueType_Utf8String));
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83 value = dynamic_cast<Utf8StringValue&>(*converted).GetContent();
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84 }
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85 catch (Orthanc::OrthancException&)
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86 {
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87 value = "?";
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88 }
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89
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90 if (value.size() > maxWidth[i])
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91 {
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92 maxWidth[i] = value.size();
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93 }
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94
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95 table.back() [i] = value;
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96 }
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97
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98 result.Next();
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99 }
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100
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101 PrintHeader(stream, maxWidth);
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102
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103 for (Table::const_iterator it = table.begin(); it != table.end(); ++it)
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104 {
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105 assert(it->size() == maxWidth.size());
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106
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107 for (size_t i = 0; i < it->size(); i++)
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108 {
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109 const std::string& value = (*it) [i];
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110
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111 stream << "| " << value << ' ';
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112
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113 for (size_t j = value.size(); j < maxWidth[i]; j++)
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114 {
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115 stream << ' ';
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116 }
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117 }
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118
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119 stream << '|' << std::endl;
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120 }
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121
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122 PrintHeader(stream, maxWidth);
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123 }
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124 }
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