Program: gdcm
Module: $RCSfile: gdcmDocument.h,v $
Language: C++
- Date: $Date: 2005/01/19 08:57:14 $
- Version: $Revision: 1.92 $
+ Date: $Date: 2005/07/17 04:28:55 $
+ Version: $Revision: 1.117 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
#include "gdcmVR.h"
#include "gdcmDict.h"
#include "gdcmElementSet.h"
+#include "gdcmException.h"
#include <map>
#include <list>
#include <fstream>
+#define NO_SEQ 0x00000001 // Don't load odd groups
+#define NO_SHADOW 0x00000002 // Don't load Sequences
+#define NO_SHADOWSEQ 0x00000004 // Don't load Sequences if they belong to odd group
+ // (*exclusive* from NO_SEQ and NO_SHADOW)
namespace gdcm
{
class ValEntry;
class BinEntry;
class SeqEntry;
class Dict;
-class RLEFramesInfo;
-class JPEGFragmentsInfo;
//-----------------------------------------------------------------------------
/**
- * \brief Derived by both Header and DicomDir
+ * \brief Derived by both gdcm::File and gdcm::DicomDir
*/
class GDCM_EXPORT Document : public ElementSet
{
public:
-// Informations contained in the parser
- virtual bool IsReadable();
- FileType GetFileType();
- std::string GetTransferSyntax();
-
- RLEFramesInfo *GetRLEInfo() { return RLEInfo; }
- JPEGFragmentsInfo *GetJPEGInfo() { return JPEGInfo; }
+typedef std::list<Element> ListElements;
-// Dictionaries
- virtual void PrintPubDict (std::ostream &os = std::cout);
- virtual void PrintShaDict (std::ostream &os = std::cout);
+// Loading
+ //Deprecated : use SetFileName() + Load()
+ virtual bool Load( std::string const &filename );
+ virtual bool Load( );
- Dict* GetPubDict();
- Dict* GetShaDict();
- bool SetShaDict(Dict* dict);
+// Dictionaries
+ Dict *GetPubDict();
+ Dict *GetShaDict();
+ bool SetShaDict(Dict *dict);
bool SetShaDict(DictKey const &dictName);
+// Informations contained in the gdcm::Document
+ virtual bool IsReadable();
+ bool IsDicomV3();
+ bool IsPapyrus();
+ FileType GetFileType();
+ std::string GetTransferSyntax();
+ /// Return the Transfer Syntax as a string
+ std::string GetTransferSyntaxName();
+
// Swap code
/// 'Swap code' accessor (see \ref SwapCode )
int GetSwapCode() { return SwapCode; }
// System access (meaning endian related !?)
- uint16_t SwapShort(uint16_t); // needed by File
- uint32_t SwapLong(uint32_t); // needed by File
- uint16_t UnswapShort(uint16_t); // needed by File
- uint32_t UnswapLong(uint32_t); // needed by File
+ uint16_t SwapShort(uint16_t);
+ uint32_t SwapLong(uint32_t);
+ /// \brief Unswaps back the bytes of 2-bytes long integer
+ /// so they agree with the processor order.
+ uint16_t UnswapShort(uint16_t a) { return SwapShort(a);}
+ /// \brief Unswaps back the bytes of 4-byte long integer
+ /// so they agree with the processor order.
+ uint32_t UnswapLong(uint32_t a) { return SwapLong(a);}
-// Ordering of Documents
- bool operator<(Document &document);
-
-public:
// File I/O
/// Accessor to \ref Filename
const std::string &GetFileName() const { return Filename; }
/// Accessor to \ref Filename
- void SetFileName(std::string const &fileName) { Filename = fileName; }
+ virtual void SetFileName(std::string const &fileName)
+ { if (Filename != fileName)
+ Filename = fileName, IsDocumentModified = true; }
std::ifstream *OpenFile();
bool CloseFile();
void WriteContent( std::ofstream *fp, FileType type );
// Content entries
-
- virtual bool SetEntry(std::string const &content,
- uint16_t group, uint16_t element);
- virtual bool SetEntry(uint8_t *content, int lgth,
- uint16_t group, uint16_t element);
- virtual bool SetEntry(std::string const &content, ValEntry *entry);
- virtual bool SetEntry(uint8_t *content, int lgth, BinEntry *entry);
-
- virtual void *GetEntryBinArea(uint16_t group, uint16_t elem);
-
- virtual std::string GetEntry (uint16_t group, uint16_t elem);
- virtual std::string GetEntryVR(uint16_t group, uint16_t elem);
- virtual int GetEntryLength(uint16_t group, uint16_t elem);
-
- DocEntry *GetDocEntry(uint16_t group, uint16_t element);
- ValEntry *GetValEntry(uint16_t group, uint16_t element);
- BinEntry *GetBinEntry(uint16_t group, uint16_t element);
- SeqEntry *GetSeqEntry(uint16_t group, uint16_t element);
-
- ValEntry *ReplaceOrCreate(std::string const &value,
- uint16_t group, uint16_t elem,
- TagName const &vr = GDCM_UNKNOWN);
- BinEntry *ReplaceOrCreate(uint8_t* binArea, int lgth,
- uint16_t group, uint16_t elem,
- TagName const &vr = GDCM_UNKNOWN);
- SeqEntry *ReplaceOrCreate(uint16_t group, uint16_t elem);
-
- bool ReplaceIfExist(std::string const &value,
- uint16_t group, uint16_t elem );
-
- bool CheckIfEntryExist(uint16_t group, uint16_t elem );
-
virtual void LoadEntryBinArea(uint16_t group, uint16_t elem);
virtual void LoadEntryBinArea(BinEntry *entry);
void LoadDocEntrySafe(DocEntry *entry);
- /*TagDocEntryHT *BuildFlatHashTable();*/
-
- /// Return the Transfer Syntax as a string
- std::string GetTransferSyntaxName();
+
+// Ordering of Documents
+ bool operator<(Document &document);
- bool IsDicomV3();
+/**
+ * \brief Sets the LoadMode as a boolean string.
+ * NO_SEQ, NO_SHADOW, NO_SHADOWSEQ
+ ... (nothing more, right now)
+ * WARNING : before using NO_SHADOW, be sure *all* your files
+ * contain accurate values in the 0x0000 element (if any)
+ * of *each* Shadow Group. The parser will fail if the size is wrong !
+ * @param mode Load mode to be used
+ */
+ void SetLoadMode (int mode) { if (LoadMode != mode)
+ LoadMode = mode, IsDocumentModified = true; }
protected:
// Methods
// Constructor and destructor are protected to forbid end user
- // to instanciate from this class Document (only Header and
- // DicomDir are meaningfull).
+ // to instanciate from this class Document (only gdcm::File and
+ // gdcm::DicomDir are meaningfull).
Document();
Document( std::string const &filename );
virtual ~Document();
- void ReadAndSkipEncapsulatedBasicOffsetTable();
- void ComputeRLEInfo();
- void ComputeJPEGFragmentInfo();
- // Entry
-
+ uint16_t ReadInt16() throw ( FormatError );
+ uint32_t ReadInt32() throw ( FormatError );
+ void SkipBytes(uint32_t);
int ComputeGroup0002Length( FileType filetype );
// Variables
/// the well known 'Bad Big Endian' and 'Bad Little Endian' codes
int SwapCode;
- ///\brief whether we already parsed group 0002
+ ///\brief whether we already parsed group 0002 (Meta Elements)
bool Group0002Parsed;
///\brief whether file has a DCM Preamble
bool HasDCMPreamble;
- /// File Pointer, opened during Header parsing.
+ /// File Pointer, opened during Document parsing.
std::ifstream *Fp;
/// ACR, ACR_LIBIDO, ExplicitVR, ImplicitVR, Unknown
/// After opening the file, we read HEADER_LENGTH_TO_READ bytes.
static const unsigned int HEADER_LENGTH_TO_READ;
-
/// \brief Elements whose value is longer than MAX_SIZE_LOAD_ELEMENT_VALUE
/// are NOT loaded.
static const unsigned int MAX_SIZE_LOAD_ELEMENT_VALUE;
- /// \brief Elements whose value is longer than MAX_SIZE_PRINT_ELEMENT_VALUE
- /// are NOT printed.
- static const unsigned int MAX_SIZE_PRINT_ELEMENT_VALUE;
+ /// List of elements to Anonymize
+ ListElements AnonymizeList;
- /// Store the RLE frames info obtained during parsing of pixels.
- RLEFramesInfo *RLEInfo;
+ /// \brief Bit string integer (each one considered as a boolean)
+ /// Bit 0 : Skip Sequences, if possible
+ /// Bit 1 : Skip Shadow Groups if possible
+ /// Probabely, some more to add
+ int LoadMode;
+
+ /// \brief Whether the gdcm::Document is already parsed/loaded :
+ /// False from the creation of the gdcm::Document untill
+ /// gdcm::Document:Load()
+ bool IsDocumentAlreadyLoaded; // FIXME : probabely useless now
- /// Store the JPEG fragments info obtained during parsing of pixels.
- JPEGFragmentsInfo *JPEGInfo;
+ /// Whether the gdcm::Document was modified since the last Load()
+ bool IsDocumentModified;
private:
// Methods
+ void Initialize();
+ bool DoTheLoadingDocumentJob();
// Read
- void ParseDES(DocEntrySet *set,long offset, long l_max, bool delim_mode);
- void ParseSQ (SeqEntry *seq, long offset, long l_max, bool delim_mode);
+ void ParseDES(DocEntrySet *set, long offset, long l_max, bool delim_mode);
+ void ParseSQ (SeqEntry *seq, long offset, long l_max, bool delim_mode);
void LoadDocEntry (DocEntry *e);
void FindDocEntryLength (DocEntry *e) throw ( FormatError );
std::string GetDocEntryValue (DocEntry *entry);
std::string GetDocEntryUnvalue(DocEntry *entry);
-
void SkipDocEntry (DocEntry *entry);
void SkipToNextDocEntry (DocEntry *entry);
- void FixDocEntryFoundLength(DocEntry *entry,uint32_t l);
+ void FixDocEntryFoundLength(DocEntry *entry, uint32_t l);
bool IsDocEntryAnInteger (DocEntry *entry);
- uint16_t ReadInt16() throw ( FormatError );
- uint32_t ReadInt32() throw ( FormatError );
- void SkipBytes(uint32_t);
- bool ReadTag(uint16_t, uint16_t);
- uint32_t ReadTagLength(uint16_t, uint16_t);
-
- void Initialise();
bool CheckSwap();
void SwitchByteSwapCode();
void SetMaxSizeLoadEntry(long);
- void SetMaxSizePrintEntry(long);
// DocEntry related utilities
DocEntry *ReadNextDocEntry();
- uint32_t GenerateFreeTagKeyInGroup(uint16_t group);
-/* void BuildFlatHashTableRecurse( TagDocEntryHT &builtHT,
- DocEntrySet* set );*/
-
- void HandleBrokenEndian(uint16_t &group, uint16_t &elem);
+ void HandleBrokenEndian (uint16_t &group, uint16_t &elem);
void HandleOutOfGroup0002(uint16_t &group, uint16_t &elem);
// Variables
/// Public dictionary used to parse this header
Dict *RefPubDict;
-
/// \brief Optional "shadow dictionary" (private elements) used to parse
/// this header
Dict *RefShaDict;
/// when one considers the definition of the various VR contents).
uint32_t MaxSizeLoadEntry;
- /// \brief Size threshold above which an element value will NOT be *printed*
- /// in order no to polute the screen output. By default, this upper bound
- /// is fixed to 64 bytes.
- uint32_t MaxSizePrintEntry;
+// uint32_t GenerateFreeTagKeyInGroup(uint16_t group);
+// void BuildFlatHashTableRecurse( TagDocEntryHT &builtHT,
+// DocEntrySet *set );
-private:
- friend class File;
};
+
} // end namespace gdcm
//-----------------------------------------------------------------------------