Mercurial > hg > orthanc-databases
annotate Framework/Common/Query.cpp @ 328:6a49c495c940
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 22 Jul 2021 20:20:26 +0200 |
| parents | 3236894320d6 |
| children | 16aac0287485 |
| rev | line source |
|---|---|
| 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) 2017-2021 Osimis S.A., Belgium |
| 0 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Affero General Public License | |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 11 * | |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "Query.h" | |
| 23 | |
| 152 | 24 #include <Logging.h> |
| 25 #include <OrthancException.h> | |
| 0 | 26 |
| 27 #include <boost/regex.hpp> | |
| 28 | |
| 29 namespace OrthancDatabases | |
| 30 { | |
| 31 class Query::Token : public boost::noncopyable | |
| 32 { | |
| 33 private: | |
| 34 bool isParameter_; | |
| 35 std::string content_; | |
| 36 | |
| 37 public: | |
| 38 Token(bool isParameter, | |
| 39 const std::string& content) : | |
| 40 isParameter_(isParameter), | |
| 41 content_(content) | |
| 42 { | |
| 43 } | |
| 44 | |
| 45 bool IsParameter() const | |
| 46 { | |
| 47 return isParameter_; | |
| 48 } | |
| 49 | |
| 50 const std::string& GetContent() const | |
| 51 { | |
| 52 return content_; | |
| 53 } | |
| 54 }; | |
| 55 | |
| 56 | |
| 57 void Query::Setup(const std::string& sql) | |
| 58 { | |
| 59 boost::regex regex("\\$\\{(.*?)\\}"); | |
| 60 | |
| 61 std::string::const_iterator last = sql.begin(); | |
| 62 boost::sregex_token_iterator it(sql.begin(), sql.end(), regex, 0); | |
| 63 boost::sregex_token_iterator end; | |
| 64 | |
| 65 while (it != end) | |
| 66 { | |
| 67 if (last != it->first) | |
| 68 { | |
| 69 tokens_.push_back(new Token(false, std::string(last, it->first))); | |
| 70 } | |
| 71 | |
| 72 std::string parameter = *it; | |
| 73 assert(parameter.size() >= 3); | |
| 74 parameter = parameter.substr(2, parameter.size() - 3); | |
| 75 | |
| 76 tokens_.push_back(new Token(true, parameter)); | |
| 77 parameters_[parameter] = ValueType_Null; | |
| 78 | |
| 79 last = it->second; | |
| 80 | |
| 81 ++it; | |
| 82 } | |
| 83 | |
| 84 if (last != sql.end()) | |
| 85 { | |
| 86 tokens_.push_back(new Token(false, std::string(last, sql.end()))); | |
| 87 } | |
| 88 } | |
| 89 | |
| 90 | |
| 91 Query::Query(const std::string& sql) : | |
| 92 readOnly_(false) | |
| 93 { | |
| 94 Setup(sql); | |
| 95 } | |
| 96 | |
| 97 | |
| 98 Query::Query(const std::string& sql, | |
| 99 bool readOnly) : | |
| 100 readOnly_(readOnly) | |
| 101 { | |
| 102 Setup(sql); | |
| 103 } | |
| 104 | |
| 105 | |
| 106 Query::~Query() | |
| 107 { | |
| 108 for (size_t i = 0; i < tokens_.size(); i++) | |
| 109 { | |
| 110 assert(tokens_[i] != NULL); | |
| 111 delete tokens_[i]; | |
| 112 } | |
| 113 } | |
| 114 | |
| 115 | |
| 116 bool Query::HasParameter(const std::string& parameter) const | |
| 117 { | |
| 118 return parameters_.find(parameter) != parameters_.end(); | |
| 119 } | |
| 120 | |
| 121 | |
| 122 ValueType Query::GetType(const std::string& parameter) const | |
| 123 { | |
| 124 Parameters::const_iterator found = parameters_.find(parameter); | |
| 125 | |
| 126 if (found == parameters_.end()) | |
| 127 { | |
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128 throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentItem, |
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129 "Inexistent parameter in a SQL query: " + parameter); |
| 0 | 130 } |
| 131 else | |
| 132 { | |
| 133 return found->second; | |
| 134 } | |
| 135 } | |
| 136 | |
| 137 | |
| 138 void Query::SetType(const std::string& parameter, | |
| 139 ValueType type) | |
| 140 { | |
| 141 Parameters::iterator found = parameters_.find(parameter); | |
| 142 | |
| 143 if (found == parameters_.end()) | |
| 144 { | |
|
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parents:
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diff
changeset
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145 throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentItem, |
|
e6c13ddd26d9
all integration tests passing with LookupResources extension
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
67
diff
changeset
|
146 "Inexistent parameter in a SQL query: " + parameter); |
| 0 | 147 } |
| 148 else | |
| 149 { | |
| 150 found->second = type; | |
| 151 } | |
| 152 } | |
| 153 | |
| 154 | |
| 155 void Query::Format(std::string& result, | |
| 156 IParameterFormatter& formatter) const | |
| 157 { | |
| 158 result.clear(); | |
| 159 | |
| 160 for (size_t i = 0; i < tokens_.size(); i++) | |
| 161 { | |
| 162 assert(tokens_[i] != NULL); | |
| 163 | |
| 164 const std::string& content = tokens_[i]->GetContent(); | |
| 165 | |
| 166 if (tokens_[i]->IsParameter()) | |
| 167 { | |
| 168 std::string parameter; | |
| 169 formatter.Format(parameter, content, GetType(content)); | |
| 170 result += parameter; | |
| 171 } | |
| 172 else | |
| 173 { | |
| 174 result += content; | |
| 175 } | |
| 176 } | |
| 177 } | |
| 178 } |