NeXusFile.cpp

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#include <cstring>
// REMOVE
#include <iostream>
#include <sstream>
#include <typeinfo>
#include "napiconfig.h"
#include "NeXusFile.hpp"
#include "NeXusException.hpp"

using namespace NeXus;
using std::map;
using std::pair;
using std::string;
using std::stringstream;
using std::vector;

static const string NULL_STR = "NULL";

namespace { // anonymous namespace to keep it in the file
template <typename NumT>
static string toString(const vector<NumT>& data) {
  stringstream result;
  result << "[";
  size_t size = data.size();
  for (size_t i = 0; i < size; i++) {
    result << data[i];
    if (i+1 < size) {
      result << ",";
    }
  }
  result << "]";
  return result.str();
}

static vector<int64_t> toInt64(const vector<int> & small_v) {
  // copy the dims over to call the int64_t version
  vector<int64_t> big_v;
  big_v.reserve(small_v.size());
  for (vector<int>::const_iterator it = small_v.begin(); it != small_v.end(); ++it)
  {
    big_v.push_back(static_cast<int64_t>(*it));
  }
  return big_v;
}

} // end of anonymous namespace

namespace NeXus {

  // catch for undefined types
  template <typename NumT>
  NXnumtype getType(NumT number) {
    stringstream msg;
        msg << "NeXus::getType() does not know type of " << typeid(number).name();
    throw Exception(msg.str());
  }

  template<>
  NXDLL_EXPORT NXnumtype getType(char number) {
    (void)number;  // Avoid compiler warning
    return CHAR;
  }

  // template specialisations for types we know 
  template<>
  NXDLL_EXPORT NXnumtype getType(float number) {
    (void)number;  // Avoid compiler warning
    return FLOAT32;
  }

  template<>
  NXDLL_EXPORT NXnumtype getType(double number) {
    (void)number;  // Avoid compiler warning
    return FLOAT64;
  }

  template<>
  NXDLL_EXPORT NXnumtype getType(int8_t number) {
    (void)number;  // Avoid compiler warning
    return INT8;
  }

  template<>
  NXDLL_EXPORT NXnumtype getType(uint8_t number) {
    (void)number;  // Avoid compiler warning
    return UINT8;
  }

  template<>
  NXDLL_EXPORT NXnumtype getType(int16_t number) {
    (void)number;  // Avoid compiler warning
    return INT16;
  }

  template<>
  NXDLL_EXPORT NXnumtype getType(uint16_t number) {
    (void)number;  // Avoid compiler warning
    return UINT16;
  }

  template<>
  NXDLL_EXPORT NXnumtype getType(int32_t number) {
    (void)number;  // Avoid compiler warning
    return INT32;
  }

  template<>
  NXDLL_EXPORT NXnumtype getType(uint32_t number) {
    (void)number;  // Avoid compiler warning
    return UINT32;
  }

  template<>
  NXDLL_EXPORT NXnumtype getType(int64_t number) {
    (void)number;  // Avoid compiler warning
    return INT64;
  }

  template<>
  NXDLL_EXPORT NXnumtype getType(uint64_t number) {
    (void)number;  // Avoid compiler warning
    return UINT64;
  }


}

// check type sizes - uses a trick that you cannot allocate an 
// array of negative length
#ifdef _MSC_VER
#define ARRAY_OFFSET    1       /* cannot dimension an array with zero elements */
#else
#define ARRAY_OFFSET    0       /* can dimension an array with zero elements */
#endif /* _MSC_VER */

/*
static int check_float_too_big[4 - sizeof(float) + ARRAY_OFFSET]; // error if float > 4 bytes
static int check_float_too_small[sizeof(float) - 4 + ARRAY_OFFSET]; // error if float < 4 bytes
static int check_double_too_big[8 - sizeof(double) + ARRAY_OFFSET]; // error if double > 8 bytes
static int check_double_too_small[sizeof(double) - 8 + ARRAY_OFFSET]; // error if double < 8 bytes
static int check_char_too_big[1 - sizeof(char) + ARRAY_OFFSET]; // error if char > 1 byte
*/

namespace {

static void inner_malloc(void* & data, const std::vector<int64_t>& dims, NXnumtype type) {
  int rank = dims.size();
  int64_t c_dims[NX_MAXRANK];
  for (int i = 0; i < rank; i++) {
    c_dims[i] = dims[i];
  }
  NXstatus status = NXmalloc64(&data, rank, c_dims, type);
  if (status != NX_OK) {
    throw Exception("NXmalloc failed", status);
  }
}


static void inner_free(void* & data) {
  NXstatus status = NXfree(&data);
  if (status != NX_OK) {
    throw Exception("NXfree failed", status);
  }
}

} // end of anonymous namespace

namespace NeXus {
File::File(NXhandle handle, bool close_handle) : m_file_id(handle), m_close_handle(close_handle) {
}

File::File(const string& filename, const NXaccess access) : m_close_handle (true) {
  this->initOpenFile(filename, access);
}

File::File(const char *filename, const NXaccess access) : m_close_handle (true) {
  this->initOpenFile(string(filename), access);
}

void File::initOpenFile(const string& filename, const NXaccess access) {
  if (filename.empty()) {
    throw Exception("Filename specified is empty constructor");
  }

  NXstatus status = NXopen(filename.c_str(), access, &(this->m_file_id));
  if (status != NX_OK) {
    stringstream msg;
    msg << "NXopen(" << filename << ", "  << access << ") failed";
    throw Exception(msg.str(), status);
  }
}

File::~File() {
  if (m_close_handle && m_file_id != NULL) {
    NXstatus status = NXclose(&(this->m_file_id));
    this->m_file_id = NULL;
    if (status != NX_OK) {
      throw Exception("NXclose failed", status);
    }
  }
}

void File::close() {
  if (this->m_file_id != NULL) {
    NXstatus status = NXclose(&(this->m_file_id));
    this->m_file_id = NULL;
    if (status != NX_OK) {
      throw Exception("NXclose failed", status);
    }
  }
}

void File::flush() {
  NXstatus status = NXflush(&(this->m_file_id));
  if (status != NX_OK) {
    throw Exception("NXflush failed", status);
  }
}

void File::makeGroup(const string& name, const string& class_name, bool open_group) {
  if (name.empty()) {
    throw Exception("Supplied empty name to makeGroup");
  }
  if (class_name.empty()) {
    throw Exception("Supplied empty class name to makeGroup");
  }
  NXstatus status = NXmakegroup(this->m_file_id, name.c_str(),
                                class_name.c_str());
  if (status != NX_OK) {
    stringstream msg;
    msg << "NXmakegroup(" << name << ", " << class_name << ") failed";
    throw Exception(msg.str(), status);
  }
  if (open_group) {
      this->openGroup(name, class_name);
  }
}

void File::openGroup(const string& name, const string& class_name) {
  if (name.empty()) {
    throw Exception("Supplied empty name to openGroup");
  }
  if (class_name.empty()) {
    throw Exception("Supplied empty class name to openGroup");
  }
  NXstatus status = NXopengroup(this->m_file_id, name.c_str(),
                                class_name.c_str());
  if (status != NX_OK) {
    stringstream msg;
    msg << "NXopengroup(" << name << ", " << class_name << ") failed";
    throw Exception(msg.str(), status);
  }
}

void File::openPath(const string& path) {
  if (path.empty()) {
    throw Exception("Supplied empty path to openPath");
  }
  NXstatus status = NXopenpath(this->m_file_id, path.c_str());
  if (status != NX_OK) {
    stringstream msg;
    msg << "NXopenpath(" << path << ") failed";
    throw Exception(msg.str(), status);
  }
}

void File::openGroupPath(const string& path) {
  if (path.empty()) {
    throw Exception("Supplied empty path to openGroupPath");
  }
  NXstatus status = NXopengrouppath(this->m_file_id, path.c_str());
  if (status != NX_OK) {
    stringstream msg;
    msg << "NXopengrouppath(" << path << ") failed";
    throw Exception(msg.str(), status);
  }
}

std::string File::getPath(){
  char cPath[2048];

  memset(cPath,0,sizeof(cPath));
  NXstatus status = NXgetpath(this->m_file_id,cPath, sizeof(cPath)-1);
  if (status != NX_OK) {
    stringstream msg;
    msg << "NXgetpath() failed";
    throw Exception(msg.str(), status);
  }
  return std::string(cPath);
}

void File::closeGroup() {
  NXstatus status = NXclosegroup(this->m_file_id);
  if (status != NX_OK) {
    throw Exception("NXclosegroup failed", status);
  }
}

void File::makeData(const string& name, NXnumtype type,
                    const vector<int>& dims, bool open_data) {
  this->makeData(name, type, toInt64(dims), open_data);
}

void File::makeData(const string& name, NXnumtype type,
                    const vector<int64_t>& dims, bool open_data) {
  // error check the parameters
  if (name.empty()) {
    throw Exception("Supplied empty label to makeData");
  }
  if (dims.empty()) {
    throw Exception("Supplied empty dimensions to makeData");
  }

  // do the work
  NXstatus status = NXmakedata64(this->m_file_id, name.c_str(), (int)type,
                               dims.size(), const_cast<int64_t*>(&(dims[0])));
  // report errors
  if (status != NX_OK) {
    stringstream msg;
    msg << "NXmakedata(" << name << ", " << type << ", " << dims.size()
        << ", " << toString(dims) << ") failed";
    throw Exception(msg.str(), status);
  }
  if (open_data) {
      this->openData(name);
  }
}

template <typename NumT>
void File::makeData(const string & name, const NXnumtype type,
                    const NumT length, bool open_data) {
  vector<int64_t> dims;
  dims.push_back(static_cast<int64_t>(length));
  this->makeData(name, type, dims, open_data);
}

template <typename NumT>
void File::writeData(const string& name, const NumT& value) {
  std::vector<NumT> v(1, value);
  this->writeData(name, v);
}

void File::writeData(const string& name, const char* value) {
  this->writeData(name, std::string(value));
}

void File::writeData(const string& name, const string& value)
{
  string my_value(value);
  // Allow empty strings by defaulting to a space
  if (my_value.empty())
    my_value = " ";
  vector<int> dims;
  dims.push_back(static_cast<int>(my_value.size()));
  this->makeData(name, CHAR, dims, true);

  this->putData(&(my_value[0]));

  this->closeData();
}



template <typename NumT>
void File::writeData(const string& name, const vector<NumT>& value) {
  vector<int64_t> dims(1, value.size());
  this->writeData(name, value, dims);
}

template <typename NumT>
void File::writeData(const string& name, const vector<NumT>& value,
                     const vector<int>& dims) {
  this->makeData(name, getType<NumT>(), dims, true);
  this->putData(value);
  this->closeData();
}

template <typename NumT>
void File::writeData(const string& name, const vector<NumT>& value,
                     const vector<int64_t>& dims) {
  this->makeData(name, getType<NumT>(), dims, true);
  this->putData(value);
  this->closeData();
}


template <typename NumT>
void File::writeExtendibleData(const string& name, vector<NumT>& value)
{
  // Use a default chunk size of 4096 bytes. TODO: Is this optimal?
  writeExtendibleData(name, value, 4096);
}

template <typename NumT>
void File::writeExtendibleData(const string& name, vector<NumT>& value, const int64_t chunk)
{
  vector<int64_t> dims(1, NX_UNLIMITED);
  vector<int64_t> chunk_dims(1, chunk);
  // Use chunking without using compression
  this->makeCompData(name, getType<NumT>(), dims, NONE, chunk_dims, true );
  this->putSlab(value, int64_t(0), int64_t(value.size()));
  this->closeData();
}

template <typename NumT>
void File::writeExtendibleData(const string& name, vector<NumT>& value,
    vector<int64_t>& dims, std::vector<int64_t> & chunk)
{
  // Create the data with unlimited 0th dimensions
  std::vector<int64_t> unlim_dims(dims);
  unlim_dims[0] = NX_UNLIMITED;
  // Use chunking without using compression
  this->makeCompData(name, getType<NumT>(), unlim_dims, NONE, chunk, true );
  // And put that slab of that of that given size in there
  std::vector<int64_t> start( dims.size(), 0 );
  this->putSlab(value, start, dims);
  this->closeData();

}


template <typename NumT>
void File::writeUpdatedData(const std::string& name, std::vector<NumT>& value)
{
  this->openData(name);
  this->putSlab(value, int64_t(0), int64_t(value.size()));
  this->closeData();
}

template <typename NumT>
void File::writeUpdatedData(const std::string& name, std::vector<NumT>& value,
                            std::vector<int64_t>& dims)
{
  this->openData(name);
  std::vector<int64_t> start( dims.size(), 0 );
  this->putSlab(value, start, dims);
  this->closeData();
}


void File::makeCompData(const string& name, const NXnumtype type,
                        const vector<int>& dims, const NXcompression comp,
                        const vector<int>& bufsize, bool open_data) {
  this->makeCompData(name, type, toInt64(dims), comp, toInt64(bufsize), open_data);
}

void File::makeCompData(const string& name, const NXnumtype type,
                        const vector<int64_t>& dims, const NXcompression comp,
                        const vector<int64_t>& bufsize, bool open_data) {
  // error check the parameters
  if (name.empty()) {
    throw Exception("Supplied empty name to makeCompData");
  }
  if (dims.empty()) {
    throw Exception("Supplied empty dimensions to makeCompData");
  }
  if (bufsize.empty()) {
    throw Exception("Supplied empty bufsize to makeCompData");
  }
  if (dims.size() != bufsize.size()) {
    stringstream msg;
    msg << "Supplied dims rank=" << dims.size()
        << " must match supplied bufsize rank=" << bufsize.size()
        << "in makeCompData";
    throw Exception(msg.str());
  }

  // do the work
  int i_type = static_cast<int>(type);
  int i_comp = static_cast<int>(comp);
  NXstatus status = NXcompmakedata64(this->m_file_id, name.c_str(), i_type,
                                   dims.size(),
                                   const_cast<int64_t *>(&(dims[0])), i_comp,
                                   const_cast<int64_t *>(&(bufsize[0])));

  // report errors
  if (status != NX_OK) {
    stringstream msg;
    msg << "NXcompmakedata64(" << name << ", " << type << ", " << dims.size()
        << ", " << toString(dims) << ", " << comp << ", " << toString(bufsize)
        << ") failed";
    throw Exception(msg.str(), status);
  }
  if (open_data) {
        this->openData(name);
  }
}

template <typename NumT>
void File::writeCompData(const string & name, const vector<NumT> & value,
                       const vector<int> & dims, const NXcompression comp,
                         const vector<int> & bufsize) {
  this->writeCompData(name, value, toInt64(dims), comp, toInt64(bufsize));
}

template <typename NumT>
void File::writeCompData(const string & name, const vector<NumT> & value,
                       const vector<int64_t> & dims, const NXcompression comp,
                         const vector<int64_t> & bufsize) {
  this->makeCompData(name, getType<NumT>(), dims, comp, bufsize, true);
  this->putData(value);
  this->closeData();
}

void File::compress(NXcompression comp) {
  stringstream msg;
  msg << "compress(" << comp << ") is depricated - use makeCompData()";
  throw Exception(msg.str());
}

void File::openData(const string & name) {
  if (name.empty()) {
    throw Exception("Supplied empty name to openData");
  }
  NXstatus status = NXopendata(this->m_file_id, name.c_str());
  if (status != NX_OK) {
    throw Exception("NXopendata(" + name + ") failed", status);
  }
}

void File::closeData() {
  NXstatus status = NXclosedata(this->m_file_id);
  if (status != NX_OK) {
    throw Exception("NXclosedata() failed", status);
  }
}

void File::putData(const void* data) {
  if (data == NULL) {
    throw Exception("Data specified as null in putData");
  }
  NXstatus status = NXputdata(this->m_file_id, const_cast<void *>(data));
  if (status != NX_OK) {
    throw Exception("NXputdata(void *) failed", status);
  }
}

template <typename NumT>
void File::putData(const vector<NumT> & data) {
  if (data.empty()) {
    throw Exception("Supplied empty data to putData");
  }
  this->putData(&(data[0]));
}

void File::putAttr(const AttrInfo& info, const void* data) {
  if (info.name == NULL_STR) {
    throw Exception("Supplied bad attribute name \"" + NULL_STR + "\"");
  }
  if (info.name.empty()) {
    throw Exception("Supplied empty name to putAttr");
  }
  NXstatus status = NXputattr(this->m_file_id, info.name.c_str(),
                              const_cast<void *>(data), info.length,
                              (int)(info.type));
  if (status != NX_OK) {
    stringstream msg;
    msg << "NXputattr(" << info.name << ", data, " << info.length << ", "
        << info.type << ") failed";
    throw Exception(msg.str(), status);
  }
}

template <typename NumT>
void File::putAttr(const std::string& name, const NumT value) {
  AttrInfo info;
  info.name = name;
  info.length = 1;
  info.type = getType<NumT>();
  this->putAttr(info, &value);
}

void File::putAttr(const char* name, const char* value) {
  if (name == NULL) {
    throw Exception("Specified name as null to putAttr");
  }
  if (value == NULL) {
    throw Exception("Specified value as null to putAttr");
  }
  string s_name(name);
  string s_value(value);
  this->putAttr(s_name, s_value);
}

void File::putAttr(const std::string& name, const std::string value) {
  string my_value(value);
  if (my_value.empty())
    my_value = " "; // Make a default "space" to avoid errors.
  AttrInfo info;
  info.name = name;
  info.length = static_cast<int>(my_value.size());
  info.type = CHAR;
  this->putAttr(info, &(my_value[0]));
}

void File::putSlab(void* data, vector<int>& start, vector<int>& size) {
  vector<int64_t> start_big = toInt64(start);
  vector<int64_t> size_big = toInt64(size);
  this->putSlab(data, start_big, size_big);
}

void File::putSlab(void* data, vector<int64_t>& start, vector<int64_t>& size) {
  if (data == NULL) {
    throw Exception("Data specified as null in putSlab");
  }
  if (start.empty()) {
    throw Exception("Supplied empty start to putSlab");
  }
  if (size.empty()) {
    throw Exception("Supplied empty size to putSlab");
  }
  if (start.size() != size.size()) {
    stringstream msg;
    msg << "Supplied start rank=" << start.size()
        << " must match supplied size rank=" << size.size()
        << "in putSlab";
    throw Exception(msg.str());
  }
  NXstatus status = NXputslab64(this->m_file_id, data, &(start[0]), &(size[0]));
  if (status != NX_OK) {
    stringstream msg;
    msg << "NXputslab64(data, " << toString(start) << ", " << toString(size)
        << ") failed";
    throw Exception(msg.str(), status);
  }
}

template <typename NumT>
void File::putSlab(vector<NumT>& data, vector<int>& start,
                   vector<int>& size) {
  vector<int64_t> start_big = toInt64(start);
  vector<int64_t> size_big = toInt64(size);
  this->putSlab(data, start_big, size_big);
}

template <typename NumT>
void File::putSlab(vector<NumT>& data, vector<int64_t>& start,
                   vector<int64_t>& size) {
  if (data.empty()) {
    throw Exception("Supplied empty data to putSlab");
  }
  this->putSlab(&(data[0]), start, size);
}

template <typename NumT>
void File::putSlab(vector<NumT>& data, int start, int size) {
  this->putSlab(data, static_cast<int64_t>(start), static_cast<int64_t>(size));
}

template <typename NumT>
void File::putSlab(vector<NumT>& data, int64_t start, int64_t size) {
  vector<int64_t> start_v;
  start_v.push_back(start);
  vector<int64_t> size_v;
  size_v.push_back(size);
  this->putSlab(data, start_v, size_v);
}

NXlink File::getDataID() {
  NXlink link;
  NXstatus status = NXgetdataID(this->m_file_id, &link);
  if (status != NX_OK) {
    throw Exception("NXgetdataID failed", status);
  }
  return link;
}

bool File::isDataSetOpen()
{
  NXlink id;
  if(NXgetdataID(this->m_file_id,&id) == NX_ERROR)
  {
    return false;
  }
  else 
  {
    return true;
  }
}
/*----------------------------------------------------------------------*/

void File::makeLink(NXlink& link) {
  NXstatus status = NXmakelink(this->m_file_id, &link);
  if (status != NX_OK) {
    throw Exception("NXmakelink failed", status);
  }
}

void File::makeNamedLink(const string& name, NXlink& link) {
  if (name.empty()) {
    throw Exception("Supplied empty name to makeNamedLink");
  }
  NXstatus status = NXmakenamedlink(this->m_file_id, name.c_str(), &link);
  if (status != NX_OK) {
    throw Exception("NXmakenamedlink(" + name + ", link)", status);
  }
}

void File::openSourceGroup() {
  NXstatus status = NXopensourcegroup(this->m_file_id);
  if (status != NX_OK) {
    throw Exception("NXopensourcegroup failed");
  }
}

void File::getData(void* data) {
  if (data == NULL) {
    throw Exception("Supplied null pointer to getData");
  }
  NXstatus status = NXgetdata(this->m_file_id, data);
  if (status != NX_OK) {
    throw Exception("NXgetdata failed", status);
  }
}

template <typename NumT>
std::vector<NumT> * File::getData() {
  Info info = this->getInfo();
  if (info.type != getType<NumT>()) {
    throw Exception("NXgetdata failed - invalid vector type");
  }

  // determine the number of elements
  int64_t length=1;
  for (vector<int64_t>::const_iterator it = info.dims.begin();
       it != info.dims.end(); it++) {
    length *= *it;
  }

  // allocate memory to put the data into
  void * temp;
  inner_malloc(temp, info.dims, info.type);

  // fetch the data
  this->getData(temp);

  // put it in the vector
  vector<NumT> * result = new vector<NumT>(static_cast<NumT *>(temp),
                                           static_cast<NumT *>(temp)
                                           + static_cast<size_t>(length));

  inner_free(temp);
  return result;
}

template <typename NumT>
void File::getData(vector<NumT>& data) {
  Info info = this->getInfo();

  if (info.type != getType<NumT>())
  {
    throw Exception("NXgetdata failed - invalid vector type");
  }
  // determine the number of elements
  int64_t length=1;
  for (vector<int64_t>::const_iterator it = info.dims.begin();
       it != info.dims.end(); it++) {
    length *= *it;
  }

  // allocate memory to put the data into
  // need to use resize() rather than reserve() so vector length gets set
  data.resize(length);

  // fetch the data
  this->getData(&(data[0]));
}


void File::getDataCoerce(vector<int> &data)
{
  Info info = this->getInfo();
  if (info.type == INT8)
  {
    vector<int8_t> result;
    this->getData(result);
    data.assign(result.begin(), result.end());
  }
  else if (info.type == UINT8)
  {
    vector<uint8_t> result;
    this->getData(result);
    data.assign(result.begin(), result.end());
  }
  else if (info.type == INT16)
  {
    vector<int16_t> result;
    this->getData(result);
    data.assign(result.begin(), result.end());
  }
  else if (info.type == UINT16)
  {
    vector<uint16_t> result;
    this->getData(result);
    data.assign(result.begin(), result.end());
  }
  else if (info.type == INT32)
  {
    vector<int32_t> result;
    this->getData(result);
    data.assign(result.begin(), result.end());
  }
  else if (info.type == UINT32)
  {
    vector<uint32_t> result;
    this->getData(result);
    data.assign(result.begin(), result.end());
  }
  else
  {
    throw Exception("NexusFile::getDataCoerce(): Could not coerce to int.");
  }
}

void File::getDataCoerce(vector<double> &data)
{
  Info info = this->getInfo();
  if (info.type == INT8)
  {
    vector<int8_t> result;
    this->getData(result);
    data.assign(result.begin(), result.end());
  }
  else if (info.type == UINT8)
  {
    vector<uint8_t> result;
    this->getData(result);
    data.assign(result.begin(), result.end());
  }
  else if (info.type == INT16)
  {
    vector<int16_t> result;
    this->getData(result);
    data.assign(result.begin(), result.end());
  }
  else if (info.type == UINT16)
  {
    vector<uint16_t> result;
    this->getData(result);
    data.assign(result.begin(), result.end());
  }
  else if (info.type == INT32)
  {
    vector<int32_t> result;
    this->getData(result);
    data.assign(result.begin(), result.end());
  }
  else if (info.type == UINT32)
  {
    vector<uint32_t> result;
    this->getData(result);
    data.assign(result.begin(), result.end());
  }
  else if (info.type == FLOAT32)
  {
    vector<float> result;
    this->getData(result);
    data.assign(result.begin(), result.end());
  }
  else if (info.type == FLOAT64)
  {
    this->getData(data);
  }
  else
  {
    throw Exception("NexusFile::getDataCoerce(): Could not coerce to double.");
  }
}

template <typename NumT>
void File::readData(const std::string & dataName, std::vector<NumT>& data)
{
  this->openData(dataName);
  this->getData(data);
  this->closeData();
}

template <typename NumT>
void File::readData(const std::string & dataName, NumT & data)
{
  std::vector<NumT> dataVector;
  this->openData(dataName);
  this->getData(dataVector);
  if (dataVector.size() > 0)
    data = dataVector[0];
  this->closeData();
}

void File::readData(const std::string & dataName, std::string& data)
{
  this->openData(dataName);
  data = this->getStrData();
  this->closeData();
}

bool File::isDataInt()
{
  Info info = this->getInfo();
  switch(info.type)
  {
  case INT8:
  case UINT8:
  case INT16:
  case UINT16:
  case INT32:
  case UINT32:
    return true;
  default:
    return false;
  }
}



string File::getStrData() {
  string res;
  Info info = this->getInfo();
  if (info.type != NX_CHAR) {
    stringstream msg;
    msg << "Cannot use getStrData() on non-character data. Found type="
        << info.type;
    throw Exception(msg.str());
  }
  if (info.dims.size() != 1) {
    stringstream msg;
    msg << "getStrData() only understand rank=1 data. Found rank="
        << info.dims.size();
    throw Exception(msg.str());
  }
  char* value = new char[info.dims[0]+1]; // probably do not need +1, but being safe
  try{
     this->getData(value);
  }
  catch (const Exception& e)
  {
    delete[] value;
    throw e;
  }
  res = string(value, info.dims[0]);
  delete[] value;
  return res;
}

Info File::getInfo() {
  //vector<int> & dims, NXnumtype & type) {
  int64_t dims[NX_MAXRANK];
  int type;
  int rank;
  NXstatus status = NXgetinfo64(this->m_file_id, &rank, dims, &type);
  if (status != NX_OK) {
    throw Exception("NXgetinfo failed", status);
  }
  Info info;
  info.type = static_cast<NXnumtype>(type);
  for (int i = 0; i < rank; i++) {
    info.dims.push_back(dims[i]);
  }
  return info;
}

pair<string, string> File::getNextEntry() {
  // set up temporary variables to get the information
  char name[NX_MAXNAMELEN];
  char class_name[NX_MAXNAMELEN];
  int datatype;

  NXstatus status = NXgetnextentry(this->m_file_id, name, class_name,
                                   &datatype);
  if (status == NX_OK) {
    string str_name(name);
    string str_class(class_name);
    return pair<string,string>(str_name, str_class);
  }
  else if (status == NX_EOD) {
    return pair<string,string>(NULL_STR, NULL_STR); // TODO return the correct thing
  }
  else {
    throw Exception("NXgetnextentry failed", status);
  }
}

map<string, string> File::getEntries()
{
  map<string, string> result;
  this->getEntries(result);
  return result;
}

void File::getEntries(std::map<std::string, std::string> & result)
{
  result.clear();
  this->initGroupDir();
  pair<string,string> temp;
  while (true) {
    temp = this->getNextEntry();
    if (temp.first == NULL_STR && temp.second == NULL_STR) { // TODO this needs to be changed when getNextEntry is fixed
      break;
    }
    else {
            result.insert(temp);
    }
  }
}


void File::getSlab(void* data, const vector<int>& start,
                   const vector<int>& size) {
  this->getSlab(data, toInt64(start), toInt64(size));
}

void File::getSlab(void* data, const vector<int64_t>& start,
                   const vector<int64_t>& size) {
  if (data == NULL) {
    throw Exception("Supplied null pointer to getSlab");
  }
  if (start.size() <= 0) {
    stringstream msg;
    msg << "Supplied empty start offset, rank = " << start.size()
        << " in getSlab";
    throw Exception(msg.str());
  }
  if (start.size() != size.size()) {
    stringstream msg;
    msg << "In getSlab start rank=" << start.size() << " must match size rank="
        << size.size();
    throw Exception(msg.str());
  }

  NXstatus status = NXgetslab64(this->m_file_id, data, &(start[0]), &(size[0]));
  if (status != NX_OK) {
    throw Exception("NXgetslab failed", status);
  }
}

AttrInfo File::getNextAttr() {
  //string & name, int & length, NXnumtype type) {
  char name[NX_MAXNAMELEN];
  int type;
  int length;
  NXstatus status = NXgetnextattr(this->m_file_id, name, &length, &type);
  if (status == NX_OK) {
    AttrInfo info;
    info.type = static_cast<NXnumtype>(type);
    info.length = length;
    info.name = string(name);
    return info;
  }
  else if (status == NX_EOD) {
    AttrInfo info;
    info.name = NULL_STR;
    info.length = 0;
    return info;
  }
  else {
    throw Exception("NXgetnextattr failed", status);
  }
}

void File::getAttr(const AttrInfo& info, void* data, int length) {
  char name[NX_MAXNAMELEN];
  strcpy(name, info.name.c_str());
  int type = info.type;
  if (length < 0)
  {
      length = info.length;
  }
  NXstatus status = NXgetattr(this->m_file_id, name, data, &length,
                              &type);
  if (status != NX_OK) {
    throw Exception("NXgetattr(" + info.name + ") failed", status);
  }
  if (type != info.type) {
    stringstream msg;
    msg << "NXgetattr(" << info.name << ") changed type [" << info.type
        << "->" << type << "]";
    throw Exception(msg.str());
  }
  // char attributes are always NULL terminated and so may change length
  if (static_cast<unsigned>(length) != info.length && type != NX_CHAR) {
    stringstream msg;
    msg << "NXgetattr(" << info.name << ") change length [" << info.length
        << "->" << length << "]";
    throw Exception(msg.str());
  }
}


template <typename NumT>
NumT File::getAttr(const AttrInfo& info) {
  NumT value;
  this->getAttr(info, &value);
  return value;
}

template <>
NXDLL_EXPORT void File::getAttr(const std::string& name, std::string& value)
{
    AttrInfo info;
    info.type = getType<char>();
    info.length = 2000; 
    info.name = name;
    value = this->getStrAttr(info);
}

template <typename NumT>
void File::getAttr(const std::string& name, NumT& value)
{
    AttrInfo info;
    info.type = getType<NumT>();
    info.length = 1;
    info.name = name;
    value = this->getAttr<NumT>(info);
}
 

string File::getStrAttr(const AttrInfo & info) {
  string res;
  if (info.type != CHAR) {
    stringstream msg;
    msg << "getStrAttr only works with strings (type=" << CHAR
        << ") found type=" << info.type;
    throw Exception(msg.str());
  }
  char* value = new char[info.length + 1];
  try
  {
    this->getAttr(info, value, info.length+1);
  }
  catch (Exception& e)
  {
    //Avoid memory leak
    delete [] value;
    throw e; //re-throw
  }

  //res = string(value, info.length);
  //allow the constructor to find the ending point of the string. Janik Zikovsky, sep 22, 2010
  res = string(value);
  delete [] value;

  return res;
}

vector<AttrInfo> File::getAttrInfos() {
  vector<AttrInfo> infos;
  this->initAttrDir();
  AttrInfo temp;
  while(true) {
    temp = this->getNextAttr();
    if (temp.name == NULL_STR) {
      break;
    }
    infos.push_back(temp);
  }
  return infos;
}

bool File::hasAttr(const std::string & name)
{
  this->initAttrDir();
  AttrInfo temp;
  while(true) {
    temp = this->getNextAttr();
    if (temp.name == NULL_STR) {
      break;
    }
    if (temp.name == name)
      return true;
  }
  return false;
}


NXlink File::getGroupID() {
  NXlink link;
  NXstatus status = NXgetgroupID(this->m_file_id, &link);
  if (status != NX_OK) {
    throw Exception("NXgetgroupID failed", status);
  }
  return link;
}

bool File::sameID(NXlink& first, NXlink& second) {
  NXstatus status = NXsameID(this->m_file_id, &first, &second);
  return (status == NX_OK);
}

void File::printLink(NXlink & link) {
  NXstatus status = NXIprintlink(this->m_file_id, &link);
  if (status != NX_OK) {
    throw Exception("NXprintlink failed");
  }
}

void File::initGroupDir() {
  int status = NXinitgroupdir(this->m_file_id);
  if (status != NX_OK) {
    throw Exception("NXinitgroupdir failed", status);
  }
}

void File::initAttrDir() {
  int status = NXinitattrdir(this->m_file_id);
  if (status != NX_OK) {
    throw Exception("NXinitattrdir failed", status);
  }
}

void File::setNumberFormat(NXnumtype& type, const string& format) {
  if (format.empty()) {
    throw Exception("Supplied empty format to setNumberFormat");
  }
  char c_format[NX_MAXNAMELEN];
  strcpy(c_format, format.c_str());
  NXstatus status = NXsetnumberformat(this->m_file_id, type, c_format);
  if (status != NX_OK) {
    stringstream msg;
    msg << "NXsetnumberformat(" << format << ") failed";
    throw Exception(msg.str(), status);
  }
}

string File::inquireFile(const int buff_length) {
  string filename;
  char* c_filename = new char[buff_length];
  NXstatus status = NXinquirefile(this->m_file_id, c_filename, buff_length);
  if (status != NX_OK) {
    delete[] c_filename;
    stringstream msg;
    msg << "NXinquirefile(" << buff_length << ") failed";
    throw Exception(msg.str(), status);
  }
  filename = c_filename;
  delete[] c_filename;
  return filename;
}

string File::isExternalGroup(const string& name, const string& type,
                             const unsigned buff_length) {
  string url; 
  if (name.empty()) {
    throw Exception("Supplied empty name to isExternalGroup");
  }
  if (type.empty()) {
    throw Exception("Supplied empty type to isExternalGroup");
  }
  char* c_url = new char[buff_length];
  NXstatus status = NXisexternalgroup(this->m_file_id, name.c_str(),
                                      type.c_str(), c_url, buff_length);
  if (status != NX_OK) {
    delete[] c_url;
    stringstream msg;
    msg << "NXisexternalgroup(" <<  type << ", " << buff_length << ")";
    throw Exception(msg.str(), buff_length);
  }
  url = c_url;
  delete[] c_url;
  return url;
}

void File::linkExternal(const string& name, const string& type,
                        const string& url) {
  if (name.empty()) {
    throw Exception("Supplied empty name to linkExternal");
  }
  if (type.empty()) {
    throw Exception("Supplied empty type to linkExternal");
  }
  if (url.empty()) {
    throw Exception("Supplied empty url to linkExternal");
  }
  NXstatus status = NXlinkexternal(this->m_file_id, name.c_str(), type.c_str(),
                                   url.c_str());
  if (status != NX_OK) {
    stringstream msg;
    msg << "NXlinkexternal(" << name << ", " << type << ", " << url
        << ") failed";
    throw Exception(msg.str(), status);
  }
}

const string File::makeCurrentPath(const string currpath, const string subpath) {
        std::ostringstream temp;
        temp << currpath << "/" << subpath;
        return temp.str();
}

void File::walkFileForTypeMap(const string path, const string class_name, TypeMap& tmap) {
        if (!path.empty()) {
                tmap.insert(std::make_pair(class_name, path));
        }
        map<string, string> dirents = this->getEntries();
        map<string, string>::iterator pos;
        for (pos = dirents.begin(); pos != dirents.end(); ++pos) {
                if (pos->second == "SDS") {
                        tmap.insert(std::make_pair(pos->second, this->makeCurrentPath(path, pos->first)));
                }
                else if (pos->second == "CDF0.0") {
                        // Do nothing with this
                        ;
                }
                else {
                        this->openGroup(pos->first, pos->second);
                        this->walkFileForTypeMap(this->makeCurrentPath(path, pos->first), pos->second, tmap);
                }
        }
        this->closeGroup();
}

TypeMap *File::getTypeMap() {
        TypeMap *tmap = new TypeMap();
        // Ensure that we're at the top of the file.
        this->openPath("/");
        this->walkFileForTypeMap("", "", *tmap);
        return tmap;
}

template<typename NumT>
void File::malloc(NumT*& data, const Info& info)
{
    if (getType<NumT>() != info.type)
    {
        throw Exception("Type mismatch in malloc()");
    }
    inner_malloc((void*&)data, info.dims, info.type);
}

template<typename NumT>
void File::free(NumT*& data)
{
    inner_free((void*&)data);
}

}

/* ---------------------------------------------------------------- */
/* Concrete instantiations of template definitions.                 */
/* ---------------------------------------------------------------- */
template
NXDLL_EXPORT void File::putAttr(const string& name, const float value);
template
NXDLL_EXPORT void File::putAttr(const string& name, const double value);
template
NXDLL_EXPORT void File::putAttr(const string& name, const int8_t value);
template
NXDLL_EXPORT void File::putAttr(const string& name, const uint8_t value);
template
NXDLL_EXPORT void File::putAttr(const string& name, const int16_t value);
template
NXDLL_EXPORT void File::putAttr(const string& name, const uint16_t value);
template
NXDLL_EXPORT void File::putAttr(const string& name, const int32_t value);
template
NXDLL_EXPORT void File::putAttr(const string& name, const uint32_t value);
template
NXDLL_EXPORT void File::putAttr(const string& name, const int64_t value);
template
NXDLL_EXPORT void File::putAttr(const string& name, const uint64_t value);
template
NXDLL_EXPORT void File::putAttr(const string& name, const char value);

template
NXDLL_EXPORT float File::getAttr(const AttrInfo& info);
template
NXDLL_EXPORT double File::getAttr(const AttrInfo& info);
template
NXDLL_EXPORT int8_t File::getAttr(const AttrInfo& info);
template
NXDLL_EXPORT uint8_t  File::getAttr(const AttrInfo& info);
template
NXDLL_EXPORT int16_t File::getAttr(const AttrInfo& info);
template
NXDLL_EXPORT uint16_t  File::getAttr(const AttrInfo& info);
template
NXDLL_EXPORT int32_t File::getAttr(const AttrInfo& info);
template
NXDLL_EXPORT uint32_t  File::getAttr(const AttrInfo& info);
template
NXDLL_EXPORT int64_t File::getAttr(const AttrInfo& info);
template
NXDLL_EXPORT uint64_t  File::getAttr(const AttrInfo& info);
template
NXDLL_EXPORT char File::getAttr(const AttrInfo& info);

template
NXDLL_EXPORT void File::makeData(const string & name, const NXnumtype type,
                                 const int length, bool open_data);
template
NXDLL_EXPORT void File::makeData(const string & name, const NXnumtype type,
                                 const int64_t length, bool open_data);

template
NXDLL_EXPORT void File::writeData(const string& name, const float& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const double& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const int8_t& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const uint8_t& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const int16_t& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const uint16_t& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const int32_t& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const uint32_t& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const int64_t& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const uint64_t& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const char& value);

template
NXDLL_EXPORT void File::writeData(const string& name, const vector<float>& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const vector<double>& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const vector<int8_t>& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const vector<uint8_t>& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const vector<int16_t>& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const vector<uint16_t>& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const vector<int32_t>& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const vector<uint32_t>& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const vector<int64_t>& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const vector<uint64_t>& value);
template
NXDLL_EXPORT void File::writeData(const string& name, const vector<char>& value);

template
NXDLL_EXPORT void File::writeData(const string& name, const vector<float>& value, const std::vector<int>& dims);
template
NXDLL_EXPORT void File::writeData(const string& name, const vector<double>& value, const std::vector<int>& dims);
template
NXDLL_EXPORT void File::writeData(const string& name, const vector<int8_t>& value, const std::vector<int>& dims);
template
NXDLL_EXPORT void File::writeData(const string& name, const vector<uint8_t>& value, const std::vector<int>& dims);
template
NXDLL_EXPORT void File::writeData(const string& name, const vector<int16_t>& value, const std::vector<int>& dims);
template
NXDLL_EXPORT void File::writeData(const string& name, const vector<uint16_t>& value, const std::vector<int>& dims);
template
NXDLL_EXPORT void File::writeData(const string& name, const vector<int32_t>& value, const std::vector<int>& dims);
template
NXDLL_EXPORT void File::writeData(const string& name, const vector<uint32_t>& value, const std::vector<int>& dims);
template
NXDLL_EXPORT void File::writeData(const string& name, const vector<int64_t>& value, const std::vector<int>& dims);
template
NXDLL_EXPORT void File::writeData(const string& name, const vector<uint64_t>& value, const std::vector<int>& dims);

template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<float>& value);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<double>& value);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<int8_t>& value);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<uint8_t>& value);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<int16_t>& value);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<uint16_t>& value);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<int32_t>& value);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<uint32_t>& value);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<int64_t>& value);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<uint64_t>& value);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<char>& value);

template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<float>& value, const int64_t chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<double>& value, const int64_t chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<int8_t>& value, const int64_t chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<uint8_t>& value, const int64_t chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<int16_t>& value, const int64_t chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<uint16_t>& value, const int64_t chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<int32_t>& value, const int64_t chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<uint32_t>& value, const int64_t chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<int64_t>& value, const int64_t chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<uint64_t>& value, const int64_t chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<char>& value, const int64_t chunk);

template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<float>& value, std::vector<int64_t> & dims, std::vector<int64_t> & chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<double>& value, std::vector<int64_t> & dims, std::vector<int64_t> & chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<int8_t>& value, std::vector<int64_t> & dims, std::vector<int64_t> & chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<uint8_t>& value, std::vector<int64_t> & dims, std::vector<int64_t> & chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<int16_t>& value, std::vector<int64_t> & dims, std::vector<int64_t> & chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<uint16_t>& value, std::vector<int64_t> & dims, std::vector<int64_t> & chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<int32_t>& value, std::vector<int64_t> & dims, std::vector<int64_t> & chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<uint32_t>& value, std::vector<int64_t> & dims, std::vector<int64_t> & chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<int64_t>& value, std::vector<int64_t> & dims, std::vector<int64_t> & chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<uint64_t>& value, std::vector<int64_t> & dims, std::vector<int64_t> & chunk);
template
NXDLL_EXPORT void File::writeExtendibleData(const string& name, std::vector<char>& value, std::vector<int64_t> & dims, std::vector<int64_t> & chunk);

template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<float>& value);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<double>& value);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<int8_t>& value);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<uint8_t>& value);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<int16_t>& value);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<uint16_t>& value);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<int32_t>& value);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<uint32_t>& value);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<int64_t>& value);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<uint64_t>& value);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<char>& value);

template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<float>& value, std::vector<int64_t> & dims);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<double>& value, std::vector<int64_t> & dims);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<int8_t>& value, std::vector<int64_t> & dims);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<uint8_t>& value, std::vector<int64_t> & dims);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<int16_t>& value, std::vector<int64_t> & dims);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<uint16_t>& value, std::vector<int64_t> & dims);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<int32_t>& value, std::vector<int64_t> & dims);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<uint32_t>& value, std::vector<int64_t> & dims);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<int64_t>& value, std::vector<int64_t> & dims);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<uint64_t>& value, std::vector<int64_t> & dims);
template
NXDLL_EXPORT void File::writeUpdatedData(const string& name, vector<char>& value, std::vector<int64_t> & dims);

template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<float> & value,
                                    const vector<int> & dims, const NXcompression comp,
                                    const vector<int> & bufsize);
template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<float> & value,
                                    const vector<int64_t> & dims, const NXcompression comp,
                                    const vector<int64_t> & bufsize);
template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<double> & value,
                                    const vector<int> & dims, const NXcompression comp,
                                    const vector<int> & bufsize);
template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<double> & value,
                                    const vector<int64_t> & dims, const NXcompression comp,
                                    const vector<int64_t> & bufsize);
template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<int8_t> & value,
                                    const vector<int> & dims, const NXcompression comp,
                                    const vector<int> & bufsize);
template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<int8_t> & value,
                                    const vector<int64_t> & dims, const NXcompression comp,
                                    const vector<int64_t> & bufsize);
template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<uint8_t> & value,
                                    const vector<int> & dims, const NXcompression comp,
                                    const vector<int> & bufsize);
template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<uint8_t> & value,
                                    const vector<int64_t> & dims, const NXcompression comp,
                                    const vector<int64_t> & bufsize);
template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<int16_t> & value,
                                    const vector<int> & dims, const NXcompression comp,
                                    const vector<int> & bufsize);
template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<int16_t> & value,
                                    const vector<int64_t> & dims, const NXcompression comp,
                                    const vector<int64_t> & bufsize);
template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<uint16_t> & value,
                                    const vector<int> & dims, const NXcompression comp,
                                    const vector<int> & bufsize);
template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<uint16_t> & value,
                                    const vector<int64_t> & dims, const NXcompression comp,
                                    const vector<int64_t> & bufsize);
template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<int32_t> & value,
                                    const vector<int> & dims, const NXcompression comp,
                                    const vector<int> & bufsize);
template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<int32_t> & value,
                                    const vector<int64_t> & dims, const NXcompression comp,
                                    const vector<int64_t> & bufsize);
template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<uint32_t> & value,
                                    const vector<int> & dims, const NXcompression comp,
                                    const vector<int> & bufsize);
template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<uint32_t> & value,
                                    const vector<int64_t> & dims, const NXcompression comp,
                                    const vector<int64_t> & bufsize);
template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<int64_t> & value,
                                    const vector<int> & dims, const NXcompression comp,
                                    const vector<int> & bufsize);
template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<int64_t> & value,
                                    const vector<int64_t> & dims, const NXcompression comp,
                                    const vector<int64_t> & bufsize);
template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<uint64_t> & value,
                                    const vector<int> & dims, const NXcompression comp,
                                    const vector<int> & bufsize);
template
NXDLL_EXPORT void File::writeCompData(const string & name, const vector<uint64_t> & value,
                                    const vector<int64_t> & dims, const NXcompression comp,
                                    const vector<int64_t> & bufsize);

template
NXDLL_EXPORT vector<float> * File::getData();
template
NXDLL_EXPORT vector<double> * File::getData();
template
NXDLL_EXPORT vector<int8_t> * File::getData();
template
NXDLL_EXPORT vector<uint8_t> * File::getData();
template
NXDLL_EXPORT vector<int16_t> * File::getData();
template
NXDLL_EXPORT vector<uint16_t> * File::getData();
template
NXDLL_EXPORT vector<int32_t> * File::getData();
template
NXDLL_EXPORT vector<uint32_t> * File::getData();
template
NXDLL_EXPORT vector<int64_t> * File::getData();
template
NXDLL_EXPORT vector<uint64_t> * File::getData();
template
NXDLL_EXPORT vector<char> * File::getData();

template
NXDLL_EXPORT void File::getData(vector<float>& data);
template
NXDLL_EXPORT void File::getData(vector<double>& data);
template
NXDLL_EXPORT void File::getData(vector<int8_t>& data);
template
NXDLL_EXPORT void File::getData(vector<uint8_t>& data);
template
NXDLL_EXPORT void File::getData(vector<int16_t>& data);
template
NXDLL_EXPORT void File::getData(vector<uint16_t>& data);
template
NXDLL_EXPORT void File::getData(vector<int32_t>& data);
template
NXDLL_EXPORT void File::getData(vector<uint32_t>& data);
template
NXDLL_EXPORT void File::getData(vector<int64_t>& data);
template
NXDLL_EXPORT void File::getData(vector<uint64_t>& data);
template
NXDLL_EXPORT void File::getData(vector<char>& data);

template
NXDLL_EXPORT void File::readData(const std::string & dataName, vector<float>& data);
template
NXDLL_EXPORT void File::readData(const std::string & dataName, vector<double>& data);
template
NXDLL_EXPORT void File::readData(const std::string & dataName, vector<int8_t>& data);
template
NXDLL_EXPORT void File::readData(const std::string & dataName, vector<uint8_t>& data);
template
NXDLL_EXPORT void File::readData(const std::string & dataName, vector<int16_t>& data);
template
NXDLL_EXPORT void File::readData(const std::string & dataName, vector<uint16_t>& data);
template
NXDLL_EXPORT void File::readData(const std::string & dataName, vector<int32_t>& data);
template
NXDLL_EXPORT void File::readData(const std::string & dataName, vector<uint32_t>& data);
template
NXDLL_EXPORT void File::readData(const std::string & dataName, vector<int64_t>& data);
template
NXDLL_EXPORT void File::readData(const std::string & dataName, vector<uint64_t>& data);
template
NXDLL_EXPORT void File::readData(const std::string & dataName, vector<char>& data);

template
NXDLL_EXPORT void File::readData(const std::string & dataName, float& data);
template
NXDLL_EXPORT void File::readData(const std::string & dataName, double& data);
template
NXDLL_EXPORT void File::readData(const std::string & dataName, int8_t& data);
template
NXDLL_EXPORT void File::readData(const std::string & dataName, uint8_t& data);
template
NXDLL_EXPORT void File::readData(const std::string & dataName, int16_t& data);
template
NXDLL_EXPORT void File::readData(const std::string & dataName, uint16_t& data);
template
NXDLL_EXPORT void File::readData(const std::string & dataName, int32_t& data);
template
NXDLL_EXPORT void File::readData(const std::string & dataName, uint32_t& data);
template
NXDLL_EXPORT void File::readData(const std::string & dataName, int64_t& data);
template
NXDLL_EXPORT void File::readData(const std::string & dataName, uint64_t& data);

template
NXDLL_EXPORT void File::putSlab(std::vector<float>& data, int start, int size);
template
NXDLL_EXPORT void File::putSlab(std::vector<double>& data, int start, int size);
template
NXDLL_EXPORT void File::putSlab(std::vector<int8_t>& data, int start, int size);
template
NXDLL_EXPORT void File::putSlab(std::vector<uint8_t>& data, int start, int size);
template
NXDLL_EXPORT void File::putSlab(std::vector<int16_t>& data, int start, int size);
template
NXDLL_EXPORT void File::putSlab(std::vector<uint16_t>& data, int start, int size);
template
NXDLL_EXPORT void File::putSlab(std::vector<int32_t>& data, int start, int size);
template
NXDLL_EXPORT void File::putSlab(std::vector<uint32_t>& data, int start, int size);
template
NXDLL_EXPORT void File::putSlab(std::vector<int64_t>& data, int start, int size);
template
NXDLL_EXPORT void File::putSlab(std::vector<uint64_t>& data, int start, int size);

template
NXDLL_EXPORT void File::putSlab(std::vector<float>& data, std::vector<int64_t> & start, std::vector<int64_t> & size);
template
NXDLL_EXPORT void File::putSlab(std::vector<double>& data, std::vector<int64_t> & start, std::vector<int64_t> & size);
template
NXDLL_EXPORT void File::putSlab(std::vector<int8_t>& data, std::vector<int64_t> & start, std::vector<int64_t> & size);
template
NXDLL_EXPORT void File::putSlab(std::vector<uint8_t>& data, std::vector<int64_t> & start, std::vector<int64_t> & size);
template
NXDLL_EXPORT void File::putSlab(std::vector<int16_t>& data, std::vector<int64_t> & start, std::vector<int64_t> & size);
template
NXDLL_EXPORT void File::putSlab(std::vector<uint16_t>& data, std::vector<int64_t> & start, std::vector<int64_t> & size);
template
NXDLL_EXPORT void File::putSlab(std::vector<int32_t>& data, std::vector<int64_t> & start, std::vector<int64_t> & size);
template
NXDLL_EXPORT void File::putSlab(std::vector<uint32_t>& data, std::vector<int64_t> & start, std::vector<int64_t> & size);
template
NXDLL_EXPORT void File::putSlab(std::vector<int64_t>& data, std::vector<int64_t> & start, std::vector<int64_t> & size);
template
NXDLL_EXPORT void File::putSlab(std::vector<uint64_t>& data, std::vector<int64_t> & start, std::vector<int64_t> & size);

template 
NXDLL_EXPORT void File::getAttr(const std::string& name, double& value);
template 
NXDLL_EXPORT void File::getAttr(const std::string& name, int& value);

template
NXDLL_EXPORT void File::malloc(int*& data, const Info& info);
template
NXDLL_EXPORT void File::malloc(float*& data, const Info& info);
template
NXDLL_EXPORT void File::malloc(double*& data, const Info& info);

template
NXDLL_EXPORT void File::free(int*& data);
template
NXDLL_EXPORT void File::free(float*& data);
template
NXDLL_EXPORT void File::free(double*& data);