Mercurial > hg > orthanc
annotate OrthancServer/Search/DatabaseLookup.cpp @ 3030:25afa7b8cb51 db-changes
SQLiteDatabaseWrapper::ApplyLookupResources()
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 19 Dec 2018 11:18:39 +0100 |
parents | fd587cf51a89 |
children | 5da6d1063d8f |
rev | line source |
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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 General Public License as |
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9 * published by the Free Software Foundation, either version 3 of the |
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10 * License, or (at your option) any later version. |
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11 * |
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12 * In addition, as a special exception, the copyright holders of this |
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13 * program give permission to link the code of its release with the |
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it |
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15 * that use the same license as the "OpenSSL" library), and distribute |
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16 * the linked executables. You must obey the GNU General Public License |
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17 * in all respects for all of the code used other than "OpenSSL". If you |
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18 * modify file(s) with this exception, you may extend this exception to |
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19 * your version of the file(s), but you are not obligated to do so. If |
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20 * you do not wish to do so, delete this exception statement from your |
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21 * version. If you delete this exception statement from all source files |
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22 * in the program, then also delete it here. |
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23 * |
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24 * This program is distributed in the hope that it will be useful, but |
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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27 * General Public License for more details. |
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28 * |
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29 * You should have received a copy of the GNU General Public License |
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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31 **/ |
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32 |
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33 |
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34 #include "../PrecompiledHeadersServer.h" |
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35 #include "DatabaseLookup.h" |
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36 |
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37 #include "../ServerToolbox.h" |
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38 #include "../../Core/DicomParsing/FromDcmtkBridge.h" |
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39 |
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40 namespace Orthanc |
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41 { |
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42 DatabaseLookup::~DatabaseLookup() |
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43 { |
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44 for (size_t i = 0; i < constraints_.size(); i++) |
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45 { |
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46 assert(constraints_[i] != NULL); |
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47 delete constraints_[i]; |
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48 } |
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49 } |
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50 |
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51 |
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52 const DicomTagConstraint& DatabaseLookup::GetConstraint(size_t index) const |
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53 { |
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54 if (index >= constraints_.size()) |
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55 { |
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56 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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57 } |
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58 else |
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59 { |
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60 assert(constraints_[index] != NULL); |
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61 return *constraints_[index]; |
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62 } |
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63 } |
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64 |
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65 |
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66 void DatabaseLookup::AddConstraint(DicomTagConstraint* constraint) |
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67 { |
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68 if (constraint == NULL) |
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69 { |
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70 throw OrthancException(ErrorCode_NullPointer); |
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71 } |
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72 else |
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73 { |
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74 constraints_.push_back(constraint); |
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75 } |
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76 } |
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77 |
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78 |
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79 bool DatabaseLookup::IsMatch(const DicomMap& value) |
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80 { |
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81 for (size_t i = 0; i < constraints_.size(); i++) |
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82 { |
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83 assert(constraints_[i] != NULL); |
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84 if (!constraints_[i]->IsMatch(value)) |
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85 { |
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86 return false; |
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87 } |
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88 } |
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89 |
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90 return true; |
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91 } |
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92 |
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93 |
3027 | 94 void DatabaseLookup::AddDicomConstraintInternal(const DicomTag& tag, |
95 ValueRepresentation vr, | |
96 const std::string& dicomQuery, | |
97 bool caseSensitive, | |
98 bool mandatoryTag) | |
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99 { |
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100 if ((vr == ValueRepresentation_Date || |
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101 vr == ValueRepresentation_DateTime || |
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102 vr == ValueRepresentation_Time) && |
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103 dicomQuery.find('-') != std::string::npos) |
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104 { |
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105 /** |
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106 * Range matching is only defined for TM, DA and DT value |
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107 * representations. This code fixes issues 35 and 37. |
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108 * |
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109 * Reference: "Range matching is not defined for types of |
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110 * Attributes other than dates and times", DICOM PS 3.4, |
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111 * C.2.2.2.5 ("Range Matching"). |
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112 **/ |
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113 size_t separator = dicomQuery.find('-'); |
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114 std::string lower = dicomQuery.substr(0, separator); |
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115 std::string upper = dicomQuery.substr(separator + 1); |
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116 |
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117 if (!lower.empty()) |
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118 { |
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119 AddConstraint(new DicomTagConstraint |
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120 (tag, ConstraintType_GreaterOrEqual, lower, caseSensitive, mandatoryTag)); |
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121 } |
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122 |
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123 if (!upper.empty()) |
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124 { |
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125 AddConstraint(new DicomTagConstraint |
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126 (tag, ConstraintType_SmallerOrEqual, upper, caseSensitive, mandatoryTag)); |
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127 } |
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128 } |
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129 else if (dicomQuery.find('\\') != std::string::npos) |
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130 { |
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131 DicomTag fixedTag(tag); |
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132 |
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133 if (tag == DICOM_TAG_MODALITIES_IN_STUDY) |
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134 { |
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135 // http://www.itk.org/Wiki/DICOM_QueryRetrieve_Explained |
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136 // http://dicomiseasy.blogspot.be/2012/01/dicom-queryretrieve-part-i.html |
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137 fixedTag = DICOM_TAG_MODALITY; |
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138 } |
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139 |
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140 std::auto_ptr<DicomTagConstraint> constraint |
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141 (new DicomTagConstraint(fixedTag, ConstraintType_List, caseSensitive, mandatoryTag)); |
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142 |
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143 std::vector<std::string> items; |
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144 Toolbox::TokenizeString(items, dicomQuery, '\\'); |
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145 |
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146 for (size_t i = 0; i < items.size(); i++) |
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147 { |
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148 constraint->AddValue(items[i]); |
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149 } |
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150 |
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151 AddConstraint(constraint.release()); |
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152 } |
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153 else if (dicomQuery.find('*') != std::string::npos || |
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154 dicomQuery.find('?') != std::string::npos) |
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155 { |
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156 AddConstraint(new DicomTagConstraint |
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157 (tag, ConstraintType_Wildcard, dicomQuery, caseSensitive, mandatoryTag)); |
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158 } |
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159 else |
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160 { |
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161 AddConstraint(new DicomTagConstraint |
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162 (tag, ConstraintType_Equal, dicomQuery, caseSensitive, mandatoryTag)); |
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163 } |
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164 } |
3027 | 165 |
166 | |
167 void DatabaseLookup::AddDicomConstraint(const DicomTag& tag, | |
168 const std::string& dicomQuery, | |
169 bool caseSensitivePN, | |
170 bool mandatoryTag) | |
171 { | |
172 ValueRepresentation vr = FromDcmtkBridge::LookupValueRepresentation(tag); | |
173 | |
174 if (vr == ValueRepresentation_Sequence) | |
175 { | |
176 throw OrthancException(ErrorCode_ParameterOutOfRange); | |
177 } | |
178 | |
179 /** | |
180 * DICOM specifies that searches must always be case sensitive, | |
181 * except for tags with a PN value representation. For PN, Orthanc | |
182 * uses the configuration option "CaseSensitivePN" to decide | |
183 * whether matching is case-sensitive or case-insensitive. | |
184 * | |
185 * Reference: DICOM PS 3.4 | |
186 * - C.2.2.2.1 ("Single Value Matching") | |
187 * - C.2.2.2.4 ("Wild Card Matching") | |
188 * http://medical.nema.org/Dicom/2011/11_04pu.pdf | |
189 * | |
190 * "Except for Attributes with a PN Value Representation, only | |
191 * entities with values which match exactly the value specified in the | |
192 * request shall match. This matching is case-sensitive, i.e., | |
193 * sensitive to the exact encoding of the key attribute value in | |
194 * character sets where a letter may have multiple encodings (e.g., | |
195 * based on its case, its position in a word, or whether it is | |
196 * accented) | |
197 * | |
198 * For Attributes with a PN Value Representation (e.g., Patient Name | |
199 * (0010,0010)), an application may perform literal matching that is | |
200 * either case-sensitive, or that is insensitive to some or all | |
201 * aspects of case, position, accent, or other character encoding | |
202 * variants." | |
203 * | |
204 * (0008,0018) UI SOPInstanceUID => Case-sensitive | |
205 * (0008,0050) SH AccessionNumber => Case-sensitive | |
206 * (0010,0020) LO PatientID => Case-sensitive | |
207 * (0020,000D) UI StudyInstanceUID => Case-sensitive | |
208 * (0020,000E) UI SeriesInstanceUID => Case-sensitive | |
209 **/ | |
210 | |
211 if (vr == ValueRepresentation_PersonName) | |
212 { | |
213 AddDicomConstraintInternal(tag, vr, dicomQuery, caseSensitivePN, mandatoryTag); | |
214 } | |
215 else | |
216 { | |
217 AddDicomConstraintInternal(tag, vr, dicomQuery, true /* case sensitive */, mandatoryTag); | |
218 } | |
219 } | |
220 | |
221 | |
222 void DatabaseLookup::AddRestConstraint(const DicomTag& tag, | |
223 const std::string& dicomQuery, | |
224 bool caseSensitive, | |
225 bool mandatoryTag) | |
226 { | |
227 AddDicomConstraintInternal(tag, FromDcmtkBridge::LookupValueRepresentation(tag), | |
228 dicomQuery, caseSensitive, mandatoryTag); | |
229 } | |
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230 } |