Mercurial > hg > orthanc
annotate OrthancServer/Search/HierarchicalMatcher.cpp @ 2462:d61e73357674
fix dynamic linking with google-test
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 05 Jan 2018 09:35:56 +0100 |
parents | 878b59270859 |
children | 4767d36679ed |
rev | line source |
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1795 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
1795 | 4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium |
1795 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU General Public License as | |
9 * published by the Free Software Foundation, either version 3 of the | |
10 * License, or (at your option) any later version. | |
11 * | |
12 * In addition, as a special exception, the copyright holders of this | |
13 * program give permission to link the code of its release with the | |
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
15 * that use the same license as the "OpenSSL" library), and distribute | |
16 * the linked executables. You must obey the GNU General Public License | |
17 * in all respects for all of the code used other than "OpenSSL". If you | |
18 * modify file(s) with this exception, you may extend this exception to | |
19 * your version of the file(s), but you are not obligated to do so. If | |
20 * you do not wish to do so, delete this exception statement from your | |
21 * version. If you delete this exception statement from all source files | |
22 * in the program, then also delete it here. | |
23 * | |
24 * This program is distributed in the hope that it will be useful, but | |
25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
27 * General Public License for more details. | |
28 * | |
29 * You should have received a copy of the GNU General Public License | |
30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
31 **/ | |
32 | |
33 | |
34 #include "../PrecompiledHeadersServer.h" | |
35 #include "HierarchicalMatcher.h" | |
36 | |
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37 #include "../../Core/Logging.h" |
1795 | 38 #include "../../Core/OrthancException.h" |
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39 #include "../../Core/DicomParsing/FromDcmtkBridge.h" |
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40 #include "../../Core/DicomParsing/ToDcmtkBridge.h" |
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41 #include "../OrthancInitialization.h" |
1795 | 42 |
43 #include <dcmtk/dcmdata/dcfilefo.h> | |
44 | |
45 namespace Orthanc | |
46 { | |
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47 HierarchicalMatcher::HierarchicalMatcher(ParsedDicomFile& query) |
1795 | 48 { |
49 Setup(*query.GetDcmtkObject().getDataset(), | |
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50 Configuration::GetGlobalBoolParameter("CaseSensitivePN", false), |
1795 | 51 query.GetEncoding()); |
52 } | |
53 | |
54 | |
55 HierarchicalMatcher::~HierarchicalMatcher() | |
56 { | |
57 for (Constraints::iterator it = constraints_.begin(); | |
58 it != constraints_.end(); ++it) | |
59 { | |
60 if (it->second != NULL) | |
61 { | |
62 delete it->second; | |
63 } | |
64 } | |
65 | |
66 for (Sequences::iterator it = sequences_.begin(); | |
67 it != sequences_.end(); ++it) | |
68 { | |
69 if (it->second != NULL) | |
70 { | |
71 delete it->second; | |
72 } | |
73 } | |
74 } | |
75 | |
76 | |
77 void HierarchicalMatcher::Setup(DcmItem& dataset, | |
78 bool caseSensitivePN, | |
79 Encoding encoding) | |
80 { | |
81 for (unsigned long i = 0; i < dataset.card(); i++) | |
82 { | |
83 DcmElement* element = dataset.getElement(i); | |
84 if (element == NULL) | |
85 { | |
86 throw OrthancException(ErrorCode_InternalError); | |
87 } | |
88 | |
89 DicomTag tag(FromDcmtkBridge::Convert(element->getTag())); | |
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90 if (tag == DICOM_TAG_SPECIFIC_CHARACTER_SET || // Ignore encoding |
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91 tag.GetElement() == 0x0000) // Ignore all "Group Length" tags |
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92 { |
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93 continue; |
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94 } |
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95 |
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96 ValueRepresentation vr = FromDcmtkBridge::LookupValueRepresentation(tag); |
1795 | 97 |
98 if (constraints_.find(tag) != constraints_.end() || | |
99 sequences_.find(tag) != sequences_.end()) | |
100 { | |
101 throw OrthancException(ErrorCode_BadRequest); | |
102 } | |
103 | |
104 if (vr == ValueRepresentation_Sequence) | |
105 { | |
106 DcmSequenceOfItems& sequence = dynamic_cast<DcmSequenceOfItems&>(*element); | |
107 | |
108 if (sequence.card() == 0 || | |
109 (sequence.card() == 1 && sequence.getItem(0)->card() == 0)) | |
110 { | |
111 // Universal matching of a sequence | |
112 sequences_[tag] = NULL; | |
113 } | |
114 else if (sequence.card() == 1) | |
115 { | |
116 sequences_[tag] = new HierarchicalMatcher(*sequence.getItem(0), caseSensitivePN, encoding); | |
117 } | |
118 else | |
119 { | |
120 throw OrthancException(ErrorCode_BadRequest); | |
121 } | |
122 } | |
123 else | |
124 { | |
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125 std::set<DicomTag> ignoreTagLength; |
1795 | 126 std::auto_ptr<DicomValue> value(FromDcmtkBridge::ConvertLeafElement |
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127 (*element, DicomToJsonFlags_None, |
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128 ORTHANC_MAXIMUM_TAG_LENGTH, encoding, ignoreTagLength)); |
1795 | 129 |
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130 if (value->IsBinary()) |
1795 | 131 { |
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132 if (!value->GetContent().empty()) |
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133 { |
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134 LOG(WARNING) << "This C-Find modality worklist query contains a non-empty tag (" |
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135 << tag.Format() << ") with UN (unknown) value representation. " |
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136 << "It will be ignored."; |
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137 } |
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138 |
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139 constraints_[tag] = NULL; |
1795 | 140 } |
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141 else if (value->IsNull() || |
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142 value->GetContent().empty()) |
1795 | 143 { |
144 // This is an universal matcher | |
145 constraints_[tag] = NULL; | |
146 } | |
147 else | |
148 { | |
149 // DICOM specifies that searches must be case sensitive, except | |
150 // for tags with a PN value representation | |
151 bool sensitive = true; | |
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152 if (vr == ValueRepresentation_PersonName) |
1795 | 153 { |
154 sensitive = caseSensitivePN; | |
155 } | |
156 | |
157 constraints_[tag] = IFindConstraint::ParseDicomConstraint(tag, value->GetContent(), sensitive); | |
158 } | |
159 } | |
160 } | |
161 } | |
162 | |
163 | |
164 std::string HierarchicalMatcher::Format(const std::string& prefix) const | |
165 { | |
166 std::string s; | |
167 | |
168 for (Constraints::const_iterator it = constraints_.begin(); | |
169 it != constraints_.end(); ++it) | |
170 { | |
171 s += prefix + it->first.Format() + " "; | |
172 | |
173 if (it->second == NULL) | |
174 { | |
175 s += "*\n"; | |
176 } | |
177 else | |
178 { | |
179 s += it->second->Format() + "\n"; | |
180 } | |
181 } | |
182 | |
183 for (Sequences::const_iterator it = sequences_.begin(); | |
184 it != sequences_.end(); ++it) | |
185 { | |
186 s += prefix + it->first.Format() + " "; | |
187 | |
188 if (it->second == NULL) | |
189 { | |
190 s += "*\n"; | |
191 } | |
192 else | |
193 { | |
194 s += "Sequence:\n" + it->second->Format(prefix + " "); | |
195 } | |
196 } | |
197 | |
198 return s; | |
199 } | |
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200 |
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201 |
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202 bool HierarchicalMatcher::Match(ParsedDicomFile& dicom) const |
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203 { |
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204 return MatchInternal(*dicom.GetDcmtkObject().getDataset(), |
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205 dicom.GetEncoding()); |
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206 } |
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207 |
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208 |
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209 bool HierarchicalMatcher::MatchInternal(DcmItem& item, |
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210 Encoding encoding) const |
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211 { |
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212 for (Constraints::const_iterator it = constraints_.begin(); |
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213 it != constraints_.end(); ++it) |
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214 { |
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215 if (it->second != NULL) |
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216 { |
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217 DcmTagKey tag = ToDcmtkBridge::Convert(it->first); |
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218 |
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219 DcmElement* element = NULL; |
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220 if (!item.findAndGetElement(tag, element).good() || |
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221 element == NULL) |
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222 { |
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223 return false; |
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224 } |
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225 |
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226 std::set<DicomTag> ignoreTagLength; |
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227 std::auto_ptr<DicomValue> value(FromDcmtkBridge::ConvertLeafElement |
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228 (*element, DicomToJsonFlags_None, |
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229 ORTHANC_MAXIMUM_TAG_LENGTH, encoding, ignoreTagLength)); |
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230 |
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231 if (value->IsNull() || |
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232 value->IsBinary() || |
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233 !it->second->Match(value->GetContent())) |
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234 { |
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235 return false; |
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236 } |
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237 } |
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238 } |
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239 |
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240 for (Sequences::const_iterator it = sequences_.begin(); |
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241 it != sequences_.end(); ++it) |
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242 { |
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243 if (it->second != NULL) |
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244 { |
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245 DcmTagKey tag = ToDcmtkBridge::Convert(it->first); |
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246 |
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247 DcmSequenceOfItems* sequence = NULL; |
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248 if (!item.findAndGetSequence(tag, sequence).good() || |
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249 sequence == NULL) |
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250 { |
1891 | 251 continue; |
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252 } |
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253 |
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254 bool match = false; |
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255 |
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256 for (unsigned long i = 0; i < sequence->card(); i++) |
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257 { |
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258 if (it->second->MatchInternal(*sequence->getItem(i), encoding)) |
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259 { |
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260 match = true; |
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261 break; |
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262 } |
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263 } |
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264 |
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265 if (!match) |
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266 { |
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267 return false; |
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268 } |
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269 } |
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270 } |
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271 |
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272 return true; |
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273 } |
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274 |
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275 |
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276 DcmDataset* HierarchicalMatcher::ExtractInternal(DcmItem& source, |
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277 Encoding encoding) const |
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278 { |
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279 std::auto_ptr<DcmDataset> target(new DcmDataset); |
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280 |
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281 for (Constraints::const_iterator it = constraints_.begin(); |
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282 it != constraints_.end(); ++it) |
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283 { |
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284 DcmTagKey tag = ToDcmtkBridge::Convert(it->first); |
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285 |
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286 DcmElement* element = NULL; |
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287 if (source.findAndGetElement(tag, element).good() && |
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288 element != NULL) |
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289 { |
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290 std::auto_ptr<DcmElement> cloned(FromDcmtkBridge::CreateElementForTag(it->first)); |
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291 cloned->copyFrom(*element); |
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292 target->insert(cloned.release()); |
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293 } |
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294 } |
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295 |
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296 for (Sequences::const_iterator it = sequences_.begin(); |
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297 it != sequences_.end(); ++it) |
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298 { |
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299 DcmTagKey tag = ToDcmtkBridge::Convert(it->first); |
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300 |
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301 DcmSequenceOfItems* sequence = NULL; |
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302 if (source.findAndGetSequence(tag, sequence).good() && |
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303 sequence != NULL) |
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304 { |
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305 std::auto_ptr<DcmSequenceOfItems> cloned(new DcmSequenceOfItems(tag)); |
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306 |
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307 for (unsigned long i = 0; i < sequence->card(); i++) |
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308 { |
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309 if (it->second == NULL) |
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310 { |
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311 cloned->append(new DcmItem(*sequence->getItem(i))); |
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312 } |
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313 else if (it->second->MatchInternal(*sequence->getItem(i), encoding)) // TODO Might be optimized |
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314 { |
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315 // It is necessary to encapsulate the child dataset into a |
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316 // "DcmItem" object before it can be included in a |
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317 // sequence. Otherwise, "dciodvfy" reports an error "Bad |
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318 // tag in sequence - Expecting Item or Sequence Delimiter." |
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319 std::auto_ptr<DcmDataset> child(it->second->ExtractInternal(*sequence->getItem(i), encoding)); |
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320 cloned->append(new DcmItem(*child)); |
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321 } |
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322 } |
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323 |
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324 target->insert(cloned.release()); |
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325 } |
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326 } |
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327 |
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328 return target.release(); |
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329 } |
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330 |
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331 |
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332 ParsedDicomFile* HierarchicalMatcher::Extract(ParsedDicomFile& dicom) const |
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333 { |
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334 std::auto_ptr<DcmDataset> dataset(ExtractInternal(*dicom.GetDcmtkObject().getDataset(), |
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335 dicom.GetEncoding())); |
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336 |
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337 std::auto_ptr<ParsedDicomFile> result(new ParsedDicomFile(*dataset)); |
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338 result->SetEncoding(dicom.GetEncoding()); |
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339 |
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340 return result.release(); |
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341 } |
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