Add protected method : gdcmElValue * GetElValueByNumber(guint16 group, guint16...

[gdcm.git] / src / gdcmDict.cxx

diff --git a/src/gdcmDict.cxx b/src/gdcmDict.cxx
index 3514749ecbbc4dee8eb260bfbb0e3e49377379ed..d115e0a022fdc6c37f9545c5d441054347db34d7 100644 (file)
--- a/src/gdcmDict.cxx
+++ b/src/gdcmDict.cxx
@@ -1,14 +1,25 @@
+// gdcmDict.cxx
+
 #include <fstream>
-#include "gdcm.h"
+#include "gdcmDict.h"
 #include "gdcmUtil.h"
 
-gdcmDict::gdcmDict(const char* FileName) {
-       std::ifstream from(FileName);
-       dbg.Error(!from, "gdcmDict::gdcmDict: can't open dictionary", FileName);
+/**
+ * \ingroup gdcmDict
+ * \brief   Construtor
+ * @param   FileName from which to build the dictionary.
+ */
+gdcmDict::gdcmDict(string & FileName) {
+       std::ifstream from(FileName.c_str());
+       dbg.Error(!from, "gdcmDict::gdcmDict: can't open dictionary",
+                    FileName.c_str());
        guint16 group, element;
        // CLEANME : use defines for all those constants
        char buff[1024];
-       TagKey key, vr, fourth, name;
+       TagKey key;
+       TagName vr;
+       TagName fourth;
+       TagName name;
        while (!from.eof()) {
                from >> hex >> group >> element;
                eatwhite(from);
@@ -21,28 +32,128 @@ gdcmDict::gdcmDict(const char* FileName) {
                name = buff;
                gdcmDictEntry * newEntry = new gdcmDictEntry(group, element,
                                                         vr, fourth, name);
-               entries[gdcmDictEntry::TranslateToKey(group, element)] = newEntry;
+      // FIXME: use AddNewEntry
+               NameHt[name] = newEntry;
+               KeyHt[gdcmDictEntry::TranslateToKey(group, element)] = newEntry;
        }
-   from.close();
+       from.close();
+}
+
+gdcmDict::~gdcmDict() {
+   for (TagKeyHT::iterator tag = KeyHt.begin(); tag != KeyHt.end(); ++tag) {
+      gdcmDictEntry* EntryToDelete = tag->second;
+      if ( EntryToDelete )
+         delete EntryToDelete;
+   }
+   KeyHt.clear();
+   // Since AddNewEntry adds symetrical in both KeyHt and NameHT we can
+   // assume all the pointed gdcmDictEntries are allready cleaned-up when
+   // we cleaned KeyHt.
+   NameHt.clear();
 }
 
 void gdcmDict::Print(ostream& os) {
-       for (TagHT::iterator tag = entries.begin(); tag != entries.end(); ++tag){
-       os << "Tag : ";
-       os << "(" << hex << tag->second->GetGroup() << ',';
-       os << hex << tag->second->GetElement() << ") = " << dec;
-       os << tag->second->GetVR() << ", ";
-       os << tag->second->GetFourth() << ", ";
-       os << tag->second->GetName() << "."  << endl;
-    }
+       PrintByKey(os);
 }
 
-gdcmDictEntry * gdcmDict::GetTag(guint32 group, guint32 element) {
+/**
+ * \ingroup gdcmDict
+ * \brief   Print all the dictionary entries contained in this dictionary.
+ *          Entries will be sorted by tag i.e. the couple (group, element).
+ * @param   os The output stream to be written to.
+ */
+void gdcmDict::PrintByKey(ostream& os) {
+       for (TagKeyHT::iterator tag = KeyHt.begin(); tag != KeyHt.end(); ++tag){
+               os << "Tag : ";
+               os << "(" << hex << tag->second->GetGroup() << ',';
+               os << hex << tag->second->GetElement() << ") = " << dec;
+               os << tag->second->GetVR() << ", ";
+               os << tag->second->GetFourth() << ", ";
+               os << tag->second->GetName() << "."  << endl;
+       }
+}
+
+/**
+ * \ingroup gdcmDict
+ * \brief   Print all the dictionary entries contained in this dictionary.
+ *          Entries will be sorted by the name of the dictionary entries.
+ * @param   os The output stream to be written to.
+ */
+void gdcmDict::PrintByName(ostream& os) {
+       for (TagNameHT::iterator tag = NameHt.begin(); tag != NameHt.end(); ++tag){
+               os << "Tag : ";
+               os << tag->second->GetName() << ",";
+               os << tag->second->GetVR() << ", ";
+               os << tag->second->GetFourth() << ", ";
+               os << "(" << hex << tag->second->GetGroup() << ',';
+               os << hex << tag->second->GetElement() << ") = " << dec << endl;
+       }
+}
+
+/**
+ * \ingroup gdcmDict
+ * \brief   Get the dictionnary entry identified by a given tag (group,element)
+ * @param   group   group of the entry to be found
+ * @param   element element of the entry to be found
+ * @return  the corresponding dictionnary entry when existing, NULL otherwise
+ */
+gdcmDictEntry * gdcmDict::GetTagByNumber(guint16 group, guint16 element) {
        TagKey key = gdcmDictEntry::TranslateToKey(group, element);
-       if ( ! entries.count(key))
+       if ( ! KeyHt.count(key))
+               return (gdcmDictEntry*)0; 
+       return KeyHt.find(key)->second;
+}
+
+/**
+ * \ingroup gdcmDict
+ * \brief   Get the dictionnary entry identified by it's name.
+ * @param   name element of the ElVal to modify
+ * @return  the corresponding dictionnary entry when existing, NULL otherwise
+ */
+gdcmDictEntry * gdcmDict::GetTagByName(TagName name) {
+       if ( ! NameHt.count(name))
                return (gdcmDictEntry*)0; 
-       if (entries.count(key) > 1)
-               dbg.Verbose(0, "gdcmDict::GetTag", 
-                           "multiple entries for this key (FIXME) !");
-       return entries.find(key)->second;
+       return NameHt.find(name)->second;
 }
+
+int gdcmDict::ReplaceEntry(gdcmDictEntry* NewEntry) {
+   if ( RemoveEntry(NewEntry->gdcmDictEntry::GetKey()) ) {
+       KeyHt[ NewEntry->GetKey()] = NewEntry;
+       return (1);
+   } 
+   return (0);
+}
+
+int gdcmDict::AddNewEntry(gdcmDictEntry* NewEntry) {
+
+       TagKey key;
+       key = NewEntry->GetKey();
+       
+       if(KeyHt.count(key) == 1) {
+               dbg.Verbose(1, "gdcmDict::AddNewEntry allready present", key.c_str());
+               return(0);
+       } else {
+               KeyHt[NewEntry->GetKey()] = NewEntry;
+               return(1);
+       }
+}
+
+
+int gdcmDict::RemoveEntry(TagKey key) {
+   if(KeyHt.count(key) == 1) {
+      gdcmDictEntry* EntryToDelete = KeyHt.find(key)->second;
+      if ( EntryToDelete )
+         delete EntryToDelete;
+      KeyHt.erase(key);
+      return (1);
+   } else {
+      dbg.Verbose(1, "gdcmDict::RemoveEntry unfound entry", key.c_str());
+      return (0);
+  }
+}
+
+
+int gdcmDict::RemoveEntry (guint16 group, guint16 element) {
+       return( RemoveEntry(gdcmDictEntry::TranslateToKey(group, element)) );
+}
+