Mercurial > hg > orthanc
annotate OrthancFramework/Sources/DicomFormat/DicomPath.cpp @ 4775:add0337b928a
refactoring parsing of numbers
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 30 Aug 2021 10:24:36 +0200 |
| parents | e17fdc43ef6c |
| children | 7053502fbf97 |
| 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 | |
| 5 * Copyright (C) 2017-2021 Osimis S.A., Belgium | |
| 6 * | |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU Lesser 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 * Lesser General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Lesser General Public | |
| 18 * License along with this program. If not, see | |
| 19 * <http://www.gnu.org/licenses/>. | |
| 20 **/ | |
| 21 | |
| 22 | |
| 23 #include "../PrecompiledHeaders.h" | |
| 24 #include "DicomPath.h" | |
| 25 | |
| 26 | |
| 27 #if !defined(ORTHANC_ENABLE_DCMTK) | |
| 28 # error Macro ORTHANC_ENABLE_DCMTK must be defined | |
| 29 #endif | |
| 30 | |
| 31 #if ORTHANC_ENABLE_DCMTK == 1 | |
| 32 # include "../DicomParsing/FromDcmtkBridge.h" | |
| 33 #endif | |
| 34 | |
| 35 #include "../OrthancException.h" | |
| 36 #include "../Toolbox.h" | |
| 37 | |
| 38 #include <boost/lexical_cast.hpp> | |
| 39 | |
| 40 | |
| 41 namespace Orthanc | |
| 42 { | |
| 43 DicomPath::PrefixItem::PrefixItem(DicomTag tag, | |
| 44 bool isUniversal, | |
| 45 size_t index) : | |
| 46 tag_(tag), | |
| 47 isUniversal_(isUniversal), | |
| 48 index_(index) | |
| 49 { | |
| 50 } | |
| 51 | |
| 52 | |
| 53 size_t DicomPath::PrefixItem::GetIndex() const | |
| 54 { | |
| 55 if (isUniversal_) | |
| 56 { | |
| 57 throw OrthancException(ErrorCode_BadSequenceOfCalls); | |
| 58 } | |
| 59 else | |
| 60 { | |
| 61 return index_; | |
| 62 } | |
| 63 } | |
| 64 | |
| 65 | |
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66 void DicomPath::PrefixItem::SetIndex(size_t index) |
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67 { |
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68 isUniversal_ = false; |
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69 index_ = index; |
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70 } |
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71 |
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72 |
| 4681 | 73 DicomTag DicomPath::ParseTag(const std::string& token) |
| 74 { | |
| 75 DicomTag tag(0,0); | |
| 76 | |
| 77 if (token[0] == '(' && | |
| 78 token[token.size() - 1] == ')') | |
| 79 { | |
| 80 std::string hex = token.substr(1, token.size() - 2); | |
| 81 if (!DicomTag::ParseHexadecimal(tag, hex.c_str())) | |
| 82 { | |
| 83 throw OrthancException(ErrorCode_UnknownDicomTag, "Cannot parse tag: " + token); | |
| 84 } | |
| 85 } | |
| 86 else | |
| 87 { | |
| 88 #if ORTHANC_ENABLE_DCMTK == 1 | |
| 89 tag = FromDcmtkBridge::ParseTag(token); | |
| 90 #else | |
| 91 if (!DicomTag::ParseHexadecimal(tag, token.c_str())) | |
| 92 { | |
| 93 throw OrthancException(ErrorCode_UnknownDicomTag, "Cannot parse tag without DCMTK: " + token); | |
| 94 } | |
| 95 #endif | |
| 96 } | |
| 97 | |
| 98 return tag; | |
| 99 } | |
| 100 | |
| 101 | |
| 102 const DicomPath::PrefixItem& DicomPath::GetLevel(size_t i) const | |
| 103 { | |
| 104 if (i >= prefix_.size()) | |
| 105 { | |
| 106 throw OrthancException(ErrorCode_ParameterOutOfRange); | |
| 107 } | |
| 108 else | |
| 109 { | |
| 110 return prefix_[i]; | |
| 111 } | |
| 112 } | |
| 113 | |
| 114 | |
| 4690 | 115 DicomPath::DicomPath(const Orthanc::DicomTag& tag) : |
| 116 finalTag_(tag) | |
| 117 { | |
| 118 } | |
| 119 | |
| 120 | |
| 4681 | 121 DicomPath::DicomPath(const Orthanc::DicomTag& sequence, |
| 122 size_t index, | |
| 123 const Orthanc::DicomTag& tag) : | |
| 124 finalTag_(tag) | |
| 125 { | |
| 126 AddIndexedTagToPrefix(sequence, index); | |
| 127 } | |
| 128 | |
| 129 | |
| 130 DicomPath::DicomPath(const Orthanc::DicomTag& sequence1, | |
| 131 size_t index1, | |
| 132 const Orthanc::DicomTag& sequence2, | |
| 133 size_t index2, | |
| 134 const Orthanc::DicomTag& tag) : | |
| 135 finalTag_(tag) | |
| 136 { | |
| 137 AddIndexedTagToPrefix(sequence1, index1); | |
| 138 AddIndexedTagToPrefix(sequence2, index2); | |
| 139 } | |
| 140 | |
| 141 | |
| 142 DicomPath::DicomPath(const Orthanc::DicomTag& sequence1, | |
| 143 size_t index1, | |
| 144 const Orthanc::DicomTag& sequence2, | |
| 145 size_t index2, | |
| 146 const Orthanc::DicomTag& sequence3, | |
| 147 size_t index3, | |
| 148 const Orthanc::DicomTag& tag) : | |
| 149 finalTag_(tag) | |
| 150 { | |
| 151 AddIndexedTagToPrefix(sequence1, index1); | |
| 152 AddIndexedTagToPrefix(sequence2, index2); | |
| 153 AddIndexedTagToPrefix(sequence3, index3); | |
| 154 } | |
| 155 | |
| 156 | |
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157 DicomPath::DicomPath(const std::vector<Orthanc::DicomTag>& parentTags, |
| 4690 | 158 const std::vector<size_t>& parentIndexes, |
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159 const Orthanc::DicomTag& finalTag) : |
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160 finalTag_(finalTag) |
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161 { |
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162 if (parentTags.size() != parentIndexes.size()) |
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163 { |
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164 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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165 } |
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166 else |
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167 { |
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168 prefix_.reserve(parentTags.size()); |
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169 |
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170 for (size_t i = 0; i < parentTags.size(); i++) |
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171 { |
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172 prefix_.push_back(PrefixItem::CreateIndexed(parentTags[i], parentIndexes[i])); |
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173 } |
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174 } |
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175 } |
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176 |
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177 |
| 4681 | 178 void DicomPath::AddIndexedTagToPrefix(const Orthanc::DicomTag& tag, |
| 179 size_t index) | |
| 180 { | |
| 181 prefix_.push_back(PrefixItem::CreateIndexed(tag, index)); | |
| 182 } | |
| 183 | |
| 184 | |
| 185 void DicomPath::AddUniversalTagToPrefix(const Orthanc::DicomTag& tag) | |
| 186 { | |
| 187 prefix_.push_back(PrefixItem::CreateUniversal(tag)); | |
| 188 } | |
| 189 | |
| 190 | |
| 4690 | 191 size_t DicomPath::GetPrefixLength() const |
| 192 { | |
| 193 return prefix_.size(); | |
| 194 } | |
| 195 | |
| 196 | |
| 197 const Orthanc::DicomTag& DicomPath::GetFinalTag() const | |
| 198 { | |
| 199 return finalTag_; | |
| 200 } | |
| 201 | |
| 202 | |
| 203 const Orthanc::DicomTag& DicomPath::GetPrefixTag(size_t level) const | |
| 204 { | |
| 205 return GetLevel(level).GetTag(); | |
| 206 } | |
| 207 | |
| 208 | |
| 209 bool DicomPath::IsPrefixUniversal(size_t level) const | |
| 210 { | |
| 211 return GetLevel(level).IsUniversal(); | |
| 212 } | |
| 213 | |
| 214 | |
| 215 size_t DicomPath::GetPrefixIndex(size_t level) const | |
| 216 { | |
| 217 return GetLevel(level).GetIndex(); | |
| 218 } | |
| 219 | |
| 220 | |
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221 bool DicomPath::HasUniversal() const |
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222 { |
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223 for (size_t i = 0; i < prefix_.size(); i++) |
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224 { |
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225 if (prefix_[i].IsUniversal()) |
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226 { |
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227 return true; |
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228 } |
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229 } |
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230 |
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231 return false; |
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232 } |
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233 |
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234 |
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235 void DicomPath::SetPrefixIndex(size_t level, |
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236 size_t index) |
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237 { |
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238 if (level >= prefix_.size()) |
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239 { |
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240 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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241 } |
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242 else |
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243 { |
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244 prefix_[level].SetIndex(index); |
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245 } |
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246 } |
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247 |
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248 |
| 4681 | 249 std::string DicomPath::Format() const |
| 250 { | |
| 251 std::string s; | |
| 252 | |
| 253 for (size_t i = 0; i < prefix_.size(); i++) | |
| 254 { | |
| 255 s += "(" + prefix_[i].GetTag().Format() + ")"; | |
| 256 | |
| 257 if (prefix_[i].IsUniversal()) | |
| 258 { | |
| 259 s += "[*]."; | |
| 260 } | |
| 261 else | |
| 262 { | |
| 263 s += "[" + boost::lexical_cast<std::string>(prefix_[i].GetIndex()) + "]."; | |
| 264 } | |
| 265 } | |
| 266 | |
| 267 return s + "(" + finalTag_.Format() + ")"; | |
| 268 } | |
| 269 | |
| 270 | |
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271 DicomPath DicomPath::Parse(const std::string& s) |
| 4681 | 272 { |
| 273 std::vector<std::string> tokens; | |
| 274 Toolbox::TokenizeString(tokens, s, '.'); | |
| 275 | |
| 276 if (tokens.empty()) | |
| 277 { | |
| 278 throw OrthancException(ErrorCode_ParameterOutOfRange, "Empty path to DICOM tags"); | |
| 279 } | |
| 280 | |
| 281 const DicomTag finalTag = ParseTag(Toolbox::StripSpaces(tokens[tokens.size() - 1])); | |
| 282 | |
| 283 DicomPath path(finalTag); | |
| 284 | |
| 285 for (size_t i = 0; i < tokens.size() - 1; i++) | |
| 286 { | |
| 287 size_t pos = tokens[i].find('['); | |
| 288 if (pos == std::string::npos) | |
| 289 { | |
| 290 throw OrthancException(ErrorCode_ParameterOutOfRange, "Parent path doesn't contain an index"); | |
| 291 } | |
| 292 else | |
| 293 { | |
| 294 const std::string left = Orthanc::Toolbox::StripSpaces(tokens[i].substr(0, pos)); | |
| 295 const std::string right = Orthanc::Toolbox::StripSpaces(tokens[i].substr(pos + 1)); | |
| 296 | |
| 297 if (left.empty()) | |
| 298 { | |
| 299 throw OrthancException(ErrorCode_ParameterOutOfRange, "Parent path doesn't contain a tag"); | |
| 300 } | |
| 301 else if (right.empty() || | |
| 302 right[right.size() - 1] != ']') | |
| 303 { | |
| 304 throw OrthancException(ErrorCode_ParameterOutOfRange, "Parent path doesn't contain the end of the index"); | |
| 305 } | |
| 306 else | |
| 307 { | |
| 308 DicomTag tag = ParseTag(left); | |
| 309 | |
| 310 try | |
| 311 { | |
| 4690 | 312 std::string t = Toolbox::StripSpaces(right.substr(0, right.size() - 1)); |
| 313 if (t == "*") | |
| 4681 | 314 { |
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315 path.AddUniversalTagToPrefix(tag); |
| 4681 | 316 } |
| 317 else | |
| 318 { | |
| 4690 | 319 int index = boost::lexical_cast<int>(t); |
| 4681 | 320 if (index < 0) |
| 321 { | |
| 4690 | 322 throw OrthancException(ErrorCode_ParameterOutOfRange, "Negative index in parent path: " + t); |
| 4681 | 323 } |
| 324 else | |
| 325 { | |
| 326 path.AddIndexedTagToPrefix(tag, static_cast<size_t>(index)); | |
| 327 } | |
| 328 } | |
| 329 } | |
| 330 catch (boost::bad_lexical_cast&) | |
| 331 { | |
| 332 throw OrthancException(ErrorCode_ParameterOutOfRange, "Not a valid index in parent path: [" + right); | |
| 333 } | |
| 334 } | |
| 335 } | |
| 336 } | |
| 337 | |
| 338 return path; | |
| 339 } | |
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340 |
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341 |
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342 bool DicomPath::IsMatch(const DicomPath& pattern, |
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343 const DicomPath& path) |
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344 { |
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345 if (path.HasUniversal()) |
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346 { |
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347 throw OrthancException(ErrorCode_BadParameterType); |
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348 } |
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349 else if (path.GetPrefixLength() < pattern.GetPrefixLength()) |
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350 { |
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351 return false; |
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352 } |
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353 else |
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354 { |
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355 for (size_t i = 0; i < pattern.GetPrefixLength(); i++) |
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356 { |
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357 if (path.GetPrefixTag(i) != pattern.GetPrefixTag(i) || |
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358 (!pattern.IsPrefixUniversal(i) && |
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359 path.GetPrefixIndex(i) != pattern.GetPrefixIndex(i))) |
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360 { |
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361 return false; |
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362 } |
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363 } |
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364 |
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365 if (path.GetPrefixLength() == pattern.GetPrefixLength()) |
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366 { |
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367 return (path.GetFinalTag() == pattern.GetFinalTag()); |
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368 } |
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369 else |
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370 { |
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371 return (path.GetPrefixTag(pattern.GetPrefixLength()) == pattern.GetFinalTag()); |
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372 } |
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373 } |
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374 } |
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4735
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375 |
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376 |
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377 bool DicomPath::IsMatch(const DicomPath& pattern, |
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378 const std::vector<Orthanc::DicomTag>& prefixTags, |
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379 const std::vector<size_t>& prefixIndexes, |
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380 const DicomTag& finalTag) |
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381 { |
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382 if (prefixTags.size() != prefixIndexes.size()) |
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383 { |
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384 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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385 } |
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386 |
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387 if (prefixTags.size() < pattern.GetPrefixLength()) |
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388 { |
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389 return false; |
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390 } |
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391 else |
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392 { |
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393 for (size_t i = 0; i < pattern.GetPrefixLength(); i++) |
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394 { |
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395 if (prefixTags[i] != pattern.GetPrefixTag(i) || |
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396 (!pattern.IsPrefixUniversal(i) && |
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397 prefixIndexes[i] != pattern.GetPrefixIndex(i))) |
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398 { |
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399 return false; |
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400 } |
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401 } |
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402 |
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403 if (prefixTags.size() == pattern.GetPrefixLength()) |
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404 { |
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405 return (finalTag == pattern.GetFinalTag()); |
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406 } |
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407 else |
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408 { |
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409 return (prefixTags[pattern.GetPrefixLength()] == pattern.GetFinalTag()); |
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410 } |
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411 } |
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412 } |
| 4681 | 413 } |