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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) 2017-2018 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 #pragma once
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23
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24 #include "DatabasesEnumerations.h"
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25
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26 #include <map>
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27 #include <vector>
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28 #include <string>
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29 #include <boost/noncopyable.hpp>
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30
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31
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32 namespace OrthancDatabases
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33 {
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34 class Query : public boost::noncopyable
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35 {
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36 public:
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37 class IParameterFormatter : public boost::noncopyable
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38 {
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39 public:
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40 virtual ~IParameterFormatter()
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41 {
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42 }
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43
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44 virtual void Format(std::string& target,
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45 const std::string& source,
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46 ValueType type) = 0;
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47 };
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48
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49 private:
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50 typedef std::map<std::string, ValueType> Parameters;
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51
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52 class Token;
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53
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54 std::vector<Token*> tokens_;
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55 Parameters parameters_;
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56 bool readOnly_;
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57
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58 void Setup(const std::string& sql);
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59
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60 public:
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61 Query(const std::string& sql);
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62
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63 Query(const std::string& sql,
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64 bool isReadOnly);
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65
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66 ~Query();
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67
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68 bool IsReadOnly() const
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69 {
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70 return readOnly_;
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71 }
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72
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73 void SetReadOnly(bool isReadOnly)
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74 {
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75 readOnly_ = isReadOnly;
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76 }
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77
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78 bool HasParameter(const std::string& parameter) const;
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79
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80 ValueType GetType(const std::string& parameter) const;
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81
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82 void SetType(const std::string& parameter,
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83 ValueType type);
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84
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85 void Format(std::string& result,
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86 IParameterFormatter& formatter) const;
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87 };
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88 }
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