--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Core/DicomFormat/DicomMap.cpp	Thu Jul 19 14:32:22 2012 +0200
@@ -0,0 +1,248 @@
+/**
+ * Palantir - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
+ * Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#include "DicomMap.h"
+
+#include <stdio.h>
+#include <memory>
+#include "DicomString.h"
+#include "../PalantirException.h"
+
+
+namespace Palantir
+{
+  static DicomTag patientTags[] =
+  {
+    DicomTag(0x0008, 0x0050), // AccessionNumber
+    DicomTag(0x0010, 0x0010), // PatientName
+    DicomTag(0x0010, 0x0020), // PatientID
+    DicomTag(0x0010, 0x0030), // PatientBirthDate
+    DicomTag(0x0010, 0x0040), // PatientSex
+    DicomTag(0x0010, 0x1000), // OtherPatientIDs
+    DicomTag(0x0010, 0x1010), // PatientAge
+    DicomTag(0x0010, 0x1040)  // PatientAddress
+  };
+
+  static DicomTag studyTags[] =
+  {
+    DicomTag(0x0008, 0x0020), // StudyDate
+    DicomTag(0x0008, 0x0030), // StudyTime
+    DicomTag(0x0008, 0x1030), // StudyDescription
+    DicomTag(0x0020, 0x000d), // StudyInstanceUID
+    DicomTag(0x0020, 0x0010), // StudyID
+    DicomTag(0x0010, 0x1020), // PatientSize
+    DicomTag(0x0010, 0x1030)  // PatientWeight
+  };
+
+  static DicomTag seriesTags[] =
+  {
+    DicomTag(0x0008, 0x0021), // SeriesDate
+    DicomTag(0x0008, 0x0031), // SeriesTime
+    DicomTag(0x0008, 0x0060), // Modality
+    DicomTag(0x0008, 0x0070), // Manufacturer
+    DicomTag(0x0008, 0x1010), // StationName
+    DicomTag(0x0008, 0x103e), // SeriesDescription
+    DicomTag(0x0010, 0x1080), // MilitaryRank
+    DicomTag(0x0018, 0x0024), // SequenceName
+    DicomTag(0x0018, 0x1030), // ProtocolName
+    DicomTag(0x0020, 0x000e), // SeriesInstanceUID
+    DicomTag(0x0020, 0x0011), // SeriesNumber
+    DicomTag(0x0054, 0x0081)  // NumberOfSlices
+  };
+
+  static DicomTag instanceTags[] =
+  {
+    DicomTag(0x0008, 0x0012), // InstanceCreationDate
+    DicomTag(0x0008, 0x0013), // InstanceCreationTime
+    DicomTag(0x0008, 0x0018), // SOPInstanceUID
+    DicomTag(0x0020, 0x0012), // AcquisitionNumber
+    DicomTag(0x0020, 0x0013), // InstanceNumber
+    DicomTag(0x0054, 0x1330)  // ImageIndex
+  };
+
+
+
+
+  void DicomMap::SetValue(uint16_t group, 
+                          uint16_t element, 
+                          DicomValue* value)
+  {
+    DicomTag tag(group, element);
+    Map::iterator it = map_.find(tag);
+
+    if (it != map_.end())
+    {
+      delete it->second;
+      it->second = value;
+    }
+    else
+    {
+      map_.insert(std::make_pair(tag, value));
+    }
+  }
+
+  void DicomMap::SetValue(DicomTag tag, 
+                          DicomValue* value)
+  {
+    SetValue(tag.GetGroup(), tag.GetElement(), value);
+  }
+
+
+
+
+  void DicomMap::Clear()
+  {
+    for (Map::iterator it = map_.begin(); it != map_.end(); it++)
+    {
+      delete it->second;
+    }
+
+    map_.clear();
+  }
+
+
+  void DicomMap::ExtractTags(DicomMap& result,
+                             const DicomTag* tags,
+                             size_t count) const
+  {
+    result.Clear();
+
+    for (unsigned int i = 0; i < count; i++)
+    {
+      Map::const_iterator it = map_.find(tags[i]);
+      if (it != map_.end())
+      {
+        result.SetValue(it->first, it->second->Clone());
+      }
+    }
+  }
+
+
+  void DicomMap::ExtractPatientInformation(DicomMap& result) const
+  {
+    ExtractTags(result, patientTags, sizeof(patientTags) / sizeof(DicomTag));
+  }
+
+  void DicomMap::ExtractStudyInformation(DicomMap& result) const
+  {
+    ExtractTags(result, studyTags, sizeof(studyTags) / sizeof(DicomTag));
+  }
+
+  void DicomMap::ExtractSeriesInformation(DicomMap& result) const
+  {
+    ExtractTags(result, seriesTags, sizeof(seriesTags) / sizeof(DicomTag));
+  }
+
+  void DicomMap::ExtractInstanceInformation(DicomMap& result) const
+  {
+    ExtractTags(result, instanceTags, sizeof(instanceTags) / sizeof(DicomTag));
+  }
+
+
+  DicomMap* DicomMap::Clone() const
+  {
+    std::auto_ptr<DicomMap> result(new DicomMap);
+
+    for (Map::const_iterator it = map_.begin(); it != map_.end(); it++)
+    {
+      result->map_.insert(std::make_pair(it->first, it->second->Clone()));
+    }
+
+    return result.release();
+  }
+
+
+  const DicomValue& DicomMap::GetValue(const DicomTag& tag) const
+  {
+    Map::const_iterator it = map_.find(tag);
+
+    if (it == map_.end())
+    {
+      throw PalantirException("Inexistent tag");
+    }
+    else
+    {
+      return *it->second;
+    }
+  }
+
+
+  void DicomMap::Remove(const DicomTag& tag) 
+  {
+    Map::iterator it = map_.find(tag);
+    if (it != map_.end())
+    {
+      delete it->second;
+      map_.erase(it);
+    }
+  }
+
+
+  static void SetupFindTemplate(DicomMap& result,
+                                const DicomTag* tags,
+                                size_t count) 
+  {
+    result.Clear();
+
+    for (size_t i = 0; i < count; i++)
+    {
+      result.SetValue(tags[i], "");
+    }
+  }
+
+  void DicomMap::SetupFindPatientTemplate(DicomMap& result)
+  {
+    SetupFindTemplate(result, patientTags, sizeof(patientTags) / sizeof(DicomTag));
+  }
+
+  void DicomMap::SetupFindStudyTemplate(DicomMap& result)
+  {
+    SetupFindTemplate(result, studyTags, sizeof(studyTags) / sizeof(DicomTag));
+    result.SetValue(DicomTag::ACCESSION_NUMBER, "");
+    result.SetValue(DicomTag::PATIENT_ID, "");
+  }
+
+  void DicomMap::SetupFindSeriesTemplate(DicomMap& result)
+  {
+    SetupFindTemplate(result, seriesTags, sizeof(seriesTags) / sizeof(DicomTag));
+    result.SetValue(DicomTag::ACCESSION_NUMBER, "");
+    result.SetValue(DicomTag::PATIENT_ID, "");
+    result.SetValue(DicomTag::STUDY_UID, "");
+  }
+
+  void DicomMap::SetupFindInstanceTemplate(DicomMap& result)
+  {
+    SetupFindTemplate(result, instanceTags, sizeof(instanceTags) / sizeof(DicomTag));
+    result.SetValue(DicomTag::ACCESSION_NUMBER, "");
+    result.SetValue(DicomTag::PATIENT_ID, "");
+    result.SetValue(DicomTag::STUDY_UID, "");
+    result.SetValue(DicomTag::SERIES_UID, "");
+  }
+
+
+  void DicomMap::CopyTagIfExists(const DicomMap& source,
+                                 const DicomTag& tag)
+  {
+    if (source.HasTag(tag))
+    {
+      SetValue(tag, source.GetValue(tag));
+    }
+  }
+}