Mercurial > hg > orthanc
annotate OrthancFramework/Sources/DicomFormat/DicomPath.cpp @ 5104:ea3224848d05
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| author | Alain Mazy <am@osimis.io> |
|---|---|
| date | Thu, 27 Oct 2022 12:57:29 +0200 |
| parents | 43e613a7756b |
| children | 0ea402b4d901 |
| rev | line source |
|---|---|
| 4681 | 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) 2017-2022 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 4681 | 7 * |
| 8 * This program is free software: you can redistribute it and/or | |
| 9 * modify it under the terms of the GNU Lesser 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 * Lesser General Public License for more details. | |
| 17 * | |
| 18 * You should have received a copy of the GNU Lesser General Public | |
| 19 * License along with this program. If not, see | |
| 20 * <http://www.gnu.org/licenses/>. | |
| 21 **/ | |
| 22 | |
| 23 | |
| 24 #include "../PrecompiledHeaders.h" | |
| 25 #include "DicomPath.h" | |
| 26 | |
| 27 | |
| 28 #if !defined(ORTHANC_ENABLE_DCMTK) | |
| 29 # error Macro ORTHANC_ENABLE_DCMTK must be defined | |
| 30 #endif | |
| 31 | |
| 32 #if ORTHANC_ENABLE_DCMTK == 1 | |
| 33 # include "../DicomParsing/FromDcmtkBridge.h" | |
| 34 #endif | |
| 35 | |
| 36 #include "../OrthancException.h" | |
| 37 #include "../Toolbox.h" | |
| 38 | |
| 39 #include <boost/lexical_cast.hpp> | |
| 40 | |
| 41 | |
| 42 namespace Orthanc | |
| 43 { | |
| 44 DicomPath::PrefixItem::PrefixItem(DicomTag tag, | |
| 45 bool isUniversal, | |
| 46 size_t index) : | |
| 47 tag_(tag), | |
| 48 isUniversal_(isUniversal), | |
| 49 index_(index) | |
| 50 { | |
| 51 } | |
| 52 | |
| 53 | |
| 54 size_t DicomPath::PrefixItem::GetIndex() const | |
| 55 { | |
| 56 if (isUniversal_) | |
| 57 { | |
| 58 throw OrthancException(ErrorCode_BadSequenceOfCalls); | |
| 59 } | |
| 60 else | |
| 61 { | |
| 62 return index_; | |
| 63 } | |
| 64 } | |
| 65 | |
| 66 | |
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67 void DicomPath::PrefixItem::SetIndex(size_t index) |
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68 { |
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69 isUniversal_ = false; |
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70 index_ = index; |
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71 } |
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72 |
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73 |
| 4681 | 74 DicomTag DicomPath::ParseTag(const std::string& token) |
| 75 { | |
| 76 DicomTag tag(0,0); | |
| 77 | |
| 78 if (token[0] == '(' && | |
| 79 token[token.size() - 1] == ')') | |
| 80 { | |
| 81 std::string hex = token.substr(1, token.size() - 2); | |
| 82 if (!DicomTag::ParseHexadecimal(tag, hex.c_str())) | |
| 83 { | |
| 84 throw OrthancException(ErrorCode_UnknownDicomTag, "Cannot parse tag: " + token); | |
| 85 } | |
| 86 } | |
| 87 else | |
| 88 { | |
| 89 #if ORTHANC_ENABLE_DCMTK == 1 | |
| 90 tag = FromDcmtkBridge::ParseTag(token); | |
| 91 #else | |
| 92 if (!DicomTag::ParseHexadecimal(tag, token.c_str())) | |
| 93 { | |
| 94 throw OrthancException(ErrorCode_UnknownDicomTag, "Cannot parse tag without DCMTK: " + token); | |
| 95 } | |
| 96 #endif | |
| 97 } | |
| 98 | |
| 99 return tag; | |
| 100 } | |
| 101 | |
| 102 | |
| 103 const DicomPath::PrefixItem& DicomPath::GetLevel(size_t i) const | |
| 104 { | |
| 105 if (i >= prefix_.size()) | |
| 106 { | |
| 107 throw OrthancException(ErrorCode_ParameterOutOfRange); | |
| 108 } | |
| 109 else | |
| 110 { | |
| 111 return prefix_[i]; | |
| 112 } | |
| 113 } | |
| 114 | |
| 115 | |
| 4690 | 116 DicomPath::DicomPath(const Orthanc::DicomTag& tag) : |
| 117 finalTag_(tag) | |
| 118 { | |
| 119 } | |
| 120 | |
| 121 | |
| 4681 | 122 DicomPath::DicomPath(const Orthanc::DicomTag& sequence, |
| 123 size_t index, | |
| 124 const Orthanc::DicomTag& tag) : | |
| 125 finalTag_(tag) | |
| 126 { | |
| 127 AddIndexedTagToPrefix(sequence, index); | |
| 128 } | |
| 129 | |
| 130 | |
| 131 DicomPath::DicomPath(const Orthanc::DicomTag& sequence1, | |
| 132 size_t index1, | |
| 133 const Orthanc::DicomTag& sequence2, | |
| 134 size_t index2, | |
| 135 const Orthanc::DicomTag& tag) : | |
| 136 finalTag_(tag) | |
| 137 { | |
| 138 AddIndexedTagToPrefix(sequence1, index1); | |
| 139 AddIndexedTagToPrefix(sequence2, index2); | |
| 140 } | |
| 141 | |
| 142 | |
| 143 DicomPath::DicomPath(const Orthanc::DicomTag& sequence1, | |
| 144 size_t index1, | |
| 145 const Orthanc::DicomTag& sequence2, | |
| 146 size_t index2, | |
| 147 const Orthanc::DicomTag& sequence3, | |
| 148 size_t index3, | |
| 149 const Orthanc::DicomTag& tag) : | |
| 150 finalTag_(tag) | |
| 151 { | |
| 152 AddIndexedTagToPrefix(sequence1, index1); | |
| 153 AddIndexedTagToPrefix(sequence2, index2); | |
| 154 AddIndexedTagToPrefix(sequence3, index3); | |
| 155 } | |
| 156 | |
| 157 | |
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158 DicomPath::DicomPath(const std::vector<Orthanc::DicomTag>& parentTags, |
| 4690 | 159 const std::vector<size_t>& parentIndexes, |
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160 const Orthanc::DicomTag& finalTag) : |
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161 finalTag_(finalTag) |
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162 { |
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163 if (parentTags.size() != parentIndexes.size()) |
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164 { |
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165 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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166 } |
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167 else |
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168 { |
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169 prefix_.reserve(parentTags.size()); |
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170 |
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171 for (size_t i = 0; i < parentTags.size(); i++) |
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172 { |
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173 prefix_.push_back(PrefixItem::CreateIndexed(parentTags[i], parentIndexes[i])); |
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174 } |
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175 } |
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176 } |
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177 |
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178 |
| 4681 | 179 void DicomPath::AddIndexedTagToPrefix(const Orthanc::DicomTag& tag, |
| 180 size_t index) | |
| 181 { | |
| 182 prefix_.push_back(PrefixItem::CreateIndexed(tag, index)); | |
| 183 } | |
| 184 | |
| 185 | |
| 186 void DicomPath::AddUniversalTagToPrefix(const Orthanc::DicomTag& tag) | |
| 187 { | |
| 188 prefix_.push_back(PrefixItem::CreateUniversal(tag)); | |
| 189 } | |
| 190 | |
| 191 | |
| 4690 | 192 size_t DicomPath::GetPrefixLength() const |
| 193 { | |
| 194 return prefix_.size(); | |
| 195 } | |
| 196 | |
| 197 | |
| 198 const Orthanc::DicomTag& DicomPath::GetFinalTag() const | |
| 199 { | |
| 200 return finalTag_; | |
| 201 } | |
| 202 | |
| 203 | |
| 204 const Orthanc::DicomTag& DicomPath::GetPrefixTag(size_t level) const | |
| 205 { | |
| 206 return GetLevel(level).GetTag(); | |
| 207 } | |
| 208 | |
| 209 | |
| 210 bool DicomPath::IsPrefixUniversal(size_t level) const | |
| 211 { | |
| 212 return GetLevel(level).IsUniversal(); | |
| 213 } | |
| 214 | |
| 215 | |
| 216 size_t DicomPath::GetPrefixIndex(size_t level) const | |
| 217 { | |
| 218 return GetLevel(level).GetIndex(); | |
| 219 } | |
| 220 | |
| 221 | |
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222 bool DicomPath::HasUniversal() const |
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223 { |
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224 for (size_t i = 0; i < prefix_.size(); i++) |
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225 { |
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226 if (prefix_[i].IsUniversal()) |
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227 { |
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228 return true; |
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229 } |
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230 } |
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231 |
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232 return false; |
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233 } |
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234 |
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235 |
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236 void DicomPath::SetPrefixIndex(size_t level, |
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237 size_t index) |
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238 { |
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239 if (level >= prefix_.size()) |
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240 { |
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241 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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242 } |
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243 else |
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244 { |
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245 prefix_[level].SetIndex(index); |
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246 } |
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247 } |
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248 |
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249 |
| 4681 | 250 std::string DicomPath::Format() const |
| 251 { | |
| 252 std::string s; | |
| 253 | |
| 254 for (size_t i = 0; i < prefix_.size(); i++) | |
| 255 { | |
| 256 s += "(" + prefix_[i].GetTag().Format() + ")"; | |
| 257 | |
| 258 if (prefix_[i].IsUniversal()) | |
| 259 { | |
| 260 s += "[*]."; | |
| 261 } | |
| 262 else | |
| 263 { | |
| 264 s += "[" + boost::lexical_cast<std::string>(prefix_[i].GetIndex()) + "]."; | |
| 265 } | |
| 266 } | |
| 267 | |
| 268 return s + "(" + finalTag_.Format() + ")"; | |
| 269 } | |
| 270 | |
| 271 | |
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272 DicomPath DicomPath::Parse(const std::string& s) |
| 4681 | 273 { |
| 274 std::vector<std::string> tokens; | |
| 275 Toolbox::TokenizeString(tokens, s, '.'); | |
| 276 | |
| 277 if (tokens.empty()) | |
| 278 { | |
| 279 throw OrthancException(ErrorCode_ParameterOutOfRange, "Empty path to DICOM tags"); | |
| 280 } | |
| 281 | |
| 282 const DicomTag finalTag = ParseTag(Toolbox::StripSpaces(tokens[tokens.size() - 1])); | |
| 283 | |
| 284 DicomPath path(finalTag); | |
| 285 | |
| 286 for (size_t i = 0; i < tokens.size() - 1; i++) | |
| 287 { | |
| 288 size_t pos = tokens[i].find('['); | |
| 289 if (pos == std::string::npos) | |
| 290 { | |
| 291 throw OrthancException(ErrorCode_ParameterOutOfRange, "Parent path doesn't contain an index"); | |
| 292 } | |
| 293 else | |
| 294 { | |
| 295 const std::string left = Orthanc::Toolbox::StripSpaces(tokens[i].substr(0, pos)); | |
| 296 const std::string right = Orthanc::Toolbox::StripSpaces(tokens[i].substr(pos + 1)); | |
| 297 | |
| 298 if (left.empty()) | |
| 299 { | |
| 300 throw OrthancException(ErrorCode_ParameterOutOfRange, "Parent path doesn't contain a tag"); | |
| 301 } | |
| 302 else if (right.empty() || | |
| 303 right[right.size() - 1] != ']') | |
| 304 { | |
| 305 throw OrthancException(ErrorCode_ParameterOutOfRange, "Parent path doesn't contain the end of the index"); | |
| 306 } | |
| 307 else | |
| 308 { | |
| 309 DicomTag tag = ParseTag(left); | |
| 310 | |
| 311 try | |
| 312 { | |
| 4690 | 313 std::string t = Toolbox::StripSpaces(right.substr(0, right.size() - 1)); |
| 314 if (t == "*") | |
| 4681 | 315 { |
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316 path.AddUniversalTagToPrefix(tag); |
| 4681 | 317 } |
| 318 else | |
| 319 { | |
| 4690 | 320 int index = boost::lexical_cast<int>(t); |
| 4681 | 321 if (index < 0) |
| 322 { | |
| 4690 | 323 throw OrthancException(ErrorCode_ParameterOutOfRange, "Negative index in parent path: " + t); |
| 4681 | 324 } |
| 325 else | |
| 326 { | |
| 327 path.AddIndexedTagToPrefix(tag, static_cast<size_t>(index)); | |
| 328 } | |
| 329 } | |
| 330 } | |
| 331 catch (boost::bad_lexical_cast&) | |
| 332 { | |
| 333 throw OrthancException(ErrorCode_ParameterOutOfRange, "Not a valid index in parent path: [" + right); | |
| 334 } | |
| 335 } | |
| 336 } | |
| 337 } | |
| 338 | |
| 339 return path; | |
| 340 } | |
|
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341 |
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342 |
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343 bool DicomPath::IsMatch(const DicomPath& pattern, |
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344 const DicomPath& path) |
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345 { |
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346 if (path.HasUniversal()) |
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347 { |
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348 throw OrthancException(ErrorCode_BadParameterType); |
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349 } |
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350 else if (path.GetPrefixLength() < pattern.GetPrefixLength()) |
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351 { |
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352 return false; |
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353 } |
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354 else |
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355 { |
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356 for (size_t i = 0; i < pattern.GetPrefixLength(); i++) |
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357 { |
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358 if (path.GetPrefixTag(i) != pattern.GetPrefixTag(i) || |
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359 (!pattern.IsPrefixUniversal(i) && |
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360 path.GetPrefixIndex(i) != pattern.GetPrefixIndex(i))) |
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361 { |
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362 return false; |
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363 } |
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364 } |
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365 |
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366 if (path.GetPrefixLength() == pattern.GetPrefixLength()) |
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367 { |
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368 return (path.GetFinalTag() == pattern.GetFinalTag()); |
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369 } |
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370 else |
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371 { |
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372 return (path.GetPrefixTag(pattern.GetPrefixLength()) == pattern.GetFinalTag()); |
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373 } |
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374 } |
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375 } |
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376 |
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377 |
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378 bool DicomPath::IsMatch(const DicomPath& pattern, |
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379 const std::vector<Orthanc::DicomTag>& prefixTags, |
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380 const std::vector<size_t>& prefixIndexes, |
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381 const DicomTag& finalTag) |
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382 { |
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383 if (prefixTags.size() != prefixIndexes.size()) |
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384 { |
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385 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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386 } |
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387 |
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388 if (prefixTags.size() < pattern.GetPrefixLength()) |
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389 { |
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390 return false; |
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391 } |
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392 else |
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393 { |
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394 for (size_t i = 0; i < pattern.GetPrefixLength(); i++) |
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395 { |
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396 if (prefixTags[i] != pattern.GetPrefixTag(i) || |
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397 (!pattern.IsPrefixUniversal(i) && |
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398 prefixIndexes[i] != pattern.GetPrefixIndex(i))) |
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399 { |
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400 return false; |
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401 } |
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402 } |
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403 |
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404 if (prefixTags.size() == pattern.GetPrefixLength()) |
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405 { |
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406 return (finalTag == pattern.GetFinalTag()); |
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407 } |
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408 else |
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409 { |
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410 return (prefixTags[pattern.GetPrefixLength()] == pattern.GetFinalTag()); |
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411 } |
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412 } |
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413 } |
| 4681 | 414 } |