/usr/include/odil/Reader.h is in libodil-dev 0.8.0-4build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* odil - Copyright (C) Universite de Strasbourg
* Distributed under the terms of the CeCILL-B license, as published by
* the CEA-CNRS-INRIA. Refer to the LICENSE file or to
* http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
* for details.
************************************************************************/
#ifndef _aa2965aa_e891_4713_9c90_e8eacd2944ea
#define _aa2965aa_e891_4713_9c90_e8eacd2944ea
#include <functional>
#include <istream>
#include <string>
#include <utility>
#include "odil/DataSet.h"
#include "odil/Element.h"
#include "odil/endian.h"
#include "odil/odil.h"
#include "odil/Tag.h"
#include "odil/Value.h"
#include "odil/VR.h"
namespace odil
{
/// @brief Read DICOM objects from a stream.
class ODIL_API Reader
{
public:
/// @brief Input stream.
std::istream & stream;
/// @brief Transfer syntax used to read the file.
std::string transfer_syntax;
/// @brief Endianness.
ByteOrdering byte_ordering;
/// @brief Explicit-ness of the Value Representations.
bool explicit_vr;
/// @brief Flag to keep or discard group length tags.
bool keep_group_length;
/**
* @brief Read binary data from an stream encoded with the given endianness,
* ensure stream is still good.
*/
template<typename T>
static T read_binary(std::istream & stream, ByteOrdering byte_ordering);
/// @brief Read pixel data in encapsulated form.
static Value::Binary read_encapsulated_pixel_data(
std::istream & stream, ByteOrdering byte_ordering,
std::string transfer_syntax, bool keep_group_length=false);
/// @brief Ignore data from a stream, ensure stream is still good.
static void ignore(std::istream & stream, std::streamsize size);
/**
* @brief Build a reader, derive byte ordering and explicit-ness of VR
* from transfer syntax.
*/
Reader(
std::istream & stream, std::string const & transfer_syntax,
bool keep_group_length=false);
/// @brief Read a data set.
DataSet read_data_set(
std::function<bool(Tag const &)> halt_condition = [](Tag const &) { return false;}) const;
/// @brief Read a tag.
Tag read_tag() const;
/// @brief Read the length of an element.
uint32_t read_length(VR vr) const;
/**
* @brief Read an element (VR and value), try to guess the VR from the tag,
* partially read data set, and transfer syntax for implicit VR transfer
* syntaxes.
*/
Element read_element(
Tag const & tag=Tag(0xffff,0xffff),
DataSet const & data_set=DataSet()) const;
/// @brief Return the meta-data header and data set stored in the stream.
static std::pair<DataSet, DataSet> read_file(
std::istream & stream,
bool keep_group_length=false,
std::function<bool(Tag const &)> halt_condition = [](Tag const &) { return false;});
private:
struct Visitor
{
typedef void result_type;
std::istream & stream;
VR vr;
uint32_t vl;
std::string transfer_syntax;
ByteOrdering byte_ordering;
bool explicit_vr;
bool keep_group_length;
Visitor(
std::istream & stream, VR vr, uint32_t vl,
std::string const & transfer_syntax, ByteOrdering byte_ordering,
bool explicit_vr, bool keep_group_length);
result_type operator()(Value::Integers & value) const;
result_type operator()(Value::Reals & value) const;
result_type operator()(Value::Strings & value) const;
result_type operator()(Value::DataSets & value) const;
result_type operator()(Value::Binary & value) const;
// uint32_t read_length() const;
Value::Strings split_strings(std::string const & string) const;
DataSet read_item(std::istream & specific_stream) const;
Value::Binary read_encapsulated_pixel_data(
std::istream & specific_stream) const;
};
};
}
#include "odil/Reader.txx"
#endif // _aa2965aa_e891_4713_9c90_e8eacd2944ea
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