Mercurial > hg > orthanc
annotate OrthancFramework/Sources/DicomFormat/DicomPath.cpp @ 4689:ead3b81f4541
added DicomPath::SetPrefixIndex()
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 10 Jun 2021 10:54:14 +0200 |
| parents | 693f049729ba |
| children | 13efc0967cea |
| 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 | |
| 115 DicomPath::DicomPath(const Orthanc::DicomTag& sequence, | |
| 116 size_t index, | |
| 117 const Orthanc::DicomTag& tag) : | |
| 118 finalTag_(tag) | |
| 119 { | |
| 120 AddIndexedTagToPrefix(sequence, index); | |
| 121 } | |
| 122 | |
| 123 | |
| 124 DicomPath::DicomPath(const Orthanc::DicomTag& sequence1, | |
| 125 size_t index1, | |
| 126 const Orthanc::DicomTag& sequence2, | |
| 127 size_t index2, | |
| 128 const Orthanc::DicomTag& tag) : | |
| 129 finalTag_(tag) | |
| 130 { | |
| 131 AddIndexedTagToPrefix(sequence1, index1); | |
| 132 AddIndexedTagToPrefix(sequence2, index2); | |
| 133 } | |
| 134 | |
| 135 | |
| 136 DicomPath::DicomPath(const Orthanc::DicomTag& sequence1, | |
| 137 size_t index1, | |
| 138 const Orthanc::DicomTag& sequence2, | |
| 139 size_t index2, | |
| 140 const Orthanc::DicomTag& sequence3, | |
| 141 size_t index3, | |
| 142 const Orthanc::DicomTag& tag) : | |
| 143 finalTag_(tag) | |
| 144 { | |
| 145 AddIndexedTagToPrefix(sequence1, index1); | |
| 146 AddIndexedTagToPrefix(sequence2, index2); | |
| 147 AddIndexedTagToPrefix(sequence3, index3); | |
| 148 } | |
| 149 | |
| 150 | |
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151 DicomPath::DicomPath(const std::vector<Orthanc::DicomTag>& parentTags, |
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152 const std::vector<size_t> parentIndexes, |
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153 const Orthanc::DicomTag& finalTag) : |
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154 finalTag_(finalTag) |
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155 { |
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156 if (parentTags.size() != parentIndexes.size()) |
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157 { |
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158 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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159 } |
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160 else |
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161 { |
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162 prefix_.reserve(parentTags.size()); |
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163 |
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164 for (size_t i = 0; i < parentTags.size(); i++) |
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165 { |
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166 prefix_.push_back(PrefixItem::CreateIndexed(parentTags[i], parentIndexes[i])); |
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167 } |
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168 } |
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169 } |
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170 |
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171 |
| 4681 | 172 void DicomPath::AddIndexedTagToPrefix(const Orthanc::DicomTag& tag, |
| 173 size_t index) | |
| 174 { | |
| 175 prefix_.push_back(PrefixItem::CreateIndexed(tag, index)); | |
| 176 } | |
| 177 | |
| 178 | |
| 179 void DicomPath::AddUniversalTagToPrefix(const Orthanc::DicomTag& tag) | |
| 180 { | |
| 181 prefix_.push_back(PrefixItem::CreateUniversal(tag)); | |
| 182 } | |
| 183 | |
| 184 | |
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185 bool DicomPath::HasUniversal() const |
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186 { |
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187 for (size_t i = 0; i < prefix_.size(); i++) |
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188 { |
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189 if (prefix_[i].IsUniversal()) |
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190 { |
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191 return true; |
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192 } |
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193 } |
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194 |
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195 return false; |
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196 } |
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197 |
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198 |
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199 void DicomPath::SetPrefixIndex(size_t level, |
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200 size_t index) |
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201 { |
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202 if (level >= prefix_.size()) |
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203 { |
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204 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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205 } |
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206 else |
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207 { |
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208 prefix_[level].SetIndex(index); |
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209 } |
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210 } |
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211 |
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212 |
| 4681 | 213 std::string DicomPath::Format() const |
| 214 { | |
| 215 std::string s; | |
| 216 | |
| 217 for (size_t i = 0; i < prefix_.size(); i++) | |
| 218 { | |
| 219 s += "(" + prefix_[i].GetTag().Format() + ")"; | |
| 220 | |
| 221 if (prefix_[i].IsUniversal()) | |
| 222 { | |
| 223 s += "[*]."; | |
| 224 } | |
| 225 else | |
| 226 { | |
| 227 s += "[" + boost::lexical_cast<std::string>(prefix_[i].GetIndex()) + "]."; | |
| 228 } | |
| 229 } | |
| 230 | |
| 231 return s + "(" + finalTag_.Format() + ")"; | |
| 232 } | |
| 233 | |
| 234 | |
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235 DicomPath DicomPath::Parse(const std::string& s) |
| 4681 | 236 { |
| 237 std::vector<std::string> tokens; | |
| 238 Toolbox::TokenizeString(tokens, s, '.'); | |
| 239 | |
| 240 if (tokens.empty()) | |
| 241 { | |
| 242 throw OrthancException(ErrorCode_ParameterOutOfRange, "Empty path to DICOM tags"); | |
| 243 } | |
| 244 | |
| 245 const DicomTag finalTag = ParseTag(Toolbox::StripSpaces(tokens[tokens.size() - 1])); | |
| 246 | |
| 247 DicomPath path(finalTag); | |
| 248 | |
| 249 for (size_t i = 0; i < tokens.size() - 1; i++) | |
| 250 { | |
| 251 size_t pos = tokens[i].find('['); | |
| 252 if (pos == std::string::npos) | |
| 253 { | |
| 254 throw OrthancException(ErrorCode_ParameterOutOfRange, "Parent path doesn't contain an index"); | |
| 255 } | |
| 256 else | |
| 257 { | |
| 258 const std::string left = Orthanc::Toolbox::StripSpaces(tokens[i].substr(0, pos)); | |
| 259 const std::string right = Orthanc::Toolbox::StripSpaces(tokens[i].substr(pos + 1)); | |
| 260 | |
| 261 if (left.empty()) | |
| 262 { | |
| 263 throw OrthancException(ErrorCode_ParameterOutOfRange, "Parent path doesn't contain a tag"); | |
| 264 } | |
| 265 else if (right.empty() || | |
| 266 right[right.size() - 1] != ']') | |
| 267 { | |
| 268 throw OrthancException(ErrorCode_ParameterOutOfRange, "Parent path doesn't contain the end of the index"); | |
| 269 } | |
| 270 else | |
| 271 { | |
| 272 DicomTag tag = ParseTag(left); | |
| 273 | |
| 274 try | |
| 275 { | |
| 276 std::string s = Toolbox::StripSpaces(right.substr(0, right.size() - 1)); | |
| 277 if (s == "*") | |
| 278 { | |
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279 path.AddUniversalTagToPrefix(tag); |
| 4681 | 280 } |
| 281 else | |
| 282 { | |
| 283 int index = boost::lexical_cast<int>(s); | |
| 284 if (index < 0) | |
| 285 { | |
| 286 throw OrthancException(ErrorCode_ParameterOutOfRange, "Negative index in parent path: " + s); | |
| 287 } | |
| 288 else | |
| 289 { | |
| 290 path.AddIndexedTagToPrefix(tag, static_cast<size_t>(index)); | |
| 291 } | |
| 292 } | |
| 293 } | |
| 294 catch (boost::bad_lexical_cast&) | |
| 295 { | |
| 296 throw OrthancException(ErrorCode_ParameterOutOfRange, "Not a valid index in parent path: [" + right); | |
| 297 } | |
| 298 } | |
| 299 } | |
| 300 } | |
| 301 | |
| 302 return path; | |
| 303 } | |
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304 |
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305 |
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306 bool DicomPath::IsMatch(const DicomPath& pattern, |
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307 const DicomPath& path) |
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308 { |
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309 if (path.HasUniversal()) |
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310 { |
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311 throw OrthancException(ErrorCode_BadParameterType); |
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312 } |
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313 else if (path.GetPrefixLength() < pattern.GetPrefixLength()) |
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314 { |
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315 return false; |
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316 } |
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317 else |
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318 { |
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319 for (size_t i = 0; i < pattern.GetPrefixLength(); i++) |
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320 { |
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321 if (path.GetPrefixTag(i) != pattern.GetPrefixTag(i) || |
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parents:
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322 (!pattern.IsPrefixUniversal(i) && |
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323 path.GetPrefixIndex(i) != pattern.GetPrefixIndex(i))) |
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324 { |
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325 return false; |
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326 } |
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327 } |
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328 |
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329 if (path.GetPrefixLength() == pattern.GetPrefixLength()) |
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330 { |
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331 return (path.GetFinalTag() == pattern.GetFinalTag()); |
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332 } |
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333 else |
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334 { |
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335 return (path.GetPrefixTag(pattern.GetPrefixLength()) == pattern.GetFinalTag()); |
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336 } |
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337 } |
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338 } |
| 4681 | 339 } |