Mercurial > hg > orthanc-databases
annotate Framework/Common/Query.cpp @ 415:7e123f047771
LookupResources optimization continued
| author | Alain Mazy <am@osimis.io> |
|---|---|
| date | Thu, 22 Jun 2023 18:07:41 +0200 |
| parents | 3d6886f3e5b3 |
| children | ecd0b719cff5 |
| rev | line source |
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| 0 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 0 | 7 * |
| 8 * This program is free software: you can redistribute it and/or | |
| 9 * modify it under the terms of the GNU Affero General Public License | |
| 10 * as published by the Free Software Foundation, either version 3 of | |
| 11 * the License, or (at your option) any later version. | |
| 12 * | |
| 13 * This program is distributed in the hope that it will be useful, but | |
| 14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 * Affero General Public License for more details. | |
| 17 * | |
| 18 * You should have received a copy of the GNU Affero General Public License | |
| 19 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 20 **/ | |
| 21 | |
| 22 | |
| 23 #include "Query.h" | |
| 24 | |
| 152 | 25 #include <Logging.h> |
| 26 #include <OrthancException.h> | |
| 0 | 27 |
| 28 #include <boost/regex.hpp> | |
| 29 | |
| 30 namespace OrthancDatabases | |
| 31 { | |
| 32 class Query::Token : public boost::noncopyable | |
| 33 { | |
| 34 private: | |
| 35 bool isParameter_; | |
| 36 std::string content_; | |
| 37 | |
| 38 public: | |
| 39 Token(bool isParameter, | |
| 40 const std::string& content) : | |
| 41 isParameter_(isParameter), | |
| 42 content_(content) | |
| 43 { | |
| 44 } | |
| 45 | |
| 46 bool IsParameter() const | |
| 47 { | |
| 48 return isParameter_; | |
| 49 } | |
| 50 | |
| 51 const std::string& GetContent() const | |
| 52 { | |
| 53 return content_; | |
| 54 } | |
| 55 }; | |
| 56 | |
| 57 | |
| 58 void Query::Setup(const std::string& sql) | |
| 59 { | |
| 60 boost::regex regex("\\$\\{(.*?)\\}"); | |
| 61 | |
| 62 std::string::const_iterator last = sql.begin(); | |
| 63 boost::sregex_token_iterator it(sql.begin(), sql.end(), regex, 0); | |
| 64 boost::sregex_token_iterator end; | |
| 65 | |
| 66 while (it != end) | |
| 67 { | |
| 68 if (last != it->first) | |
| 69 { | |
| 70 tokens_.push_back(new Token(false, std::string(last, it->first))); | |
| 71 } | |
| 72 | |
| 73 std::string parameter = *it; | |
| 74 assert(parameter.size() >= 3); | |
| 75 parameter = parameter.substr(2, parameter.size() - 3); | |
| 76 | |
| 77 tokens_.push_back(new Token(true, parameter)); | |
| 78 parameters_[parameter] = ValueType_Null; | |
| 79 | |
| 80 last = it->second; | |
| 81 | |
| 82 ++it; | |
| 83 } | |
| 84 | |
| 85 if (last != sql.end()) | |
| 86 { | |
| 87 tokens_.push_back(new Token(false, std::string(last, sql.end()))); | |
| 88 } | |
| 89 } | |
| 90 | |
| 91 | |
| 92 Query::Query(const std::string& sql) : | |
| 93 readOnly_(false) | |
| 94 { | |
| 95 Setup(sql); | |
| 96 } | |
| 97 | |
| 98 | |
| 99 Query::Query(const std::string& sql, | |
| 100 bool readOnly) : | |
| 101 readOnly_(readOnly) | |
| 102 { | |
| 103 Setup(sql); | |
| 104 } | |
| 105 | |
| 106 | |
| 107 Query::~Query() | |
| 108 { | |
| 109 for (size_t i = 0; i < tokens_.size(); i++) | |
| 110 { | |
| 111 assert(tokens_[i] != NULL); | |
| 112 delete tokens_[i]; | |
| 113 } | |
| 114 } | |
| 115 | |
| 116 | |
| 117 bool Query::HasParameter(const std::string& parameter) const | |
| 118 { | |
| 119 return parameters_.find(parameter) != parameters_.end(); | |
| 120 } | |
| 121 | |
| 122 | |
| 123 ValueType Query::GetType(const std::string& parameter) const | |
| 124 { | |
| 125 Parameters::const_iterator found = parameters_.find(parameter); | |
| 126 | |
| 127 if (found == parameters_.end()) | |
| 128 { | |
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129 throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentItem, |
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130 "Inexistent parameter in a SQL query: " + parameter); |
| 0 | 131 } |
| 132 else | |
| 133 { | |
| 134 return found->second; | |
| 135 } | |
| 136 } | |
| 137 | |
| 138 | |
| 139 void Query::SetType(const std::string& parameter, | |
| 140 ValueType type) | |
| 141 { | |
| 142 Parameters::iterator found = parameters_.find(parameter); | |
| 143 | |
| 144 if (found == parameters_.end()) | |
| 145 { | |
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146 throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentItem, |
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e6c13ddd26d9
all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
67
diff
changeset
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147 "Inexistent parameter in a SQL query: " + parameter); |
| 0 | 148 } |
| 149 else | |
| 150 { | |
| 151 found->second = type; | |
| 152 } | |
| 153 } | |
| 154 | |
| 155 | |
| 156 void Query::Format(std::string& result, | |
| 157 IParameterFormatter& formatter) const | |
| 158 { | |
| 159 result.clear(); | |
| 160 | |
| 161 for (size_t i = 0; i < tokens_.size(); i++) | |
| 162 { | |
| 163 assert(tokens_[i] != NULL); | |
| 164 | |
| 165 const std::string& content = tokens_[i]->GetContent(); | |
| 166 | |
| 167 if (tokens_[i]->IsParameter()) | |
| 168 { | |
| 169 std::string parameter; | |
| 170 formatter.Format(parameter, content, GetType(content)); | |
| 171 result += parameter; | |
| 172 } | |
| 173 else | |
| 174 { | |
| 175 result += content; | |
| 176 } | |
| 177 } | |
| 178 } | |
| 179 } |