FeltFile::FeltFile(const path & file)
: fileName_(file), changeEndianness_(false)
{
if ( ! exists(file) )
throw runtime_error("Cannot find file " + file.native_file_string() );
if ( is_directory(file) )
throw runtime_error(file.native_directory_string() + " is a directory, not a file");
string fileName = file.native_file_string();
feltFile_ = new boost::filesystem::ifstream(file);
word head;
feltFile_->read(reinterpret_cast<char*>(& head), sizeof(word));
if ( head < 997 or 999 < head )
changeEndianness_ = true;
// Block 1
block1_ = getBlock_(0);
if ( not complete() )
throw std::runtime_error("File update is not complete yet");
const size_t fieldCount = block1_[9];
fields_.reserve(fieldCount);
int i = 0;
while ( fields_.size() < fieldCount )
{
boost::shared_ptr<FeltField> f(new FeltField(*this, i ++));
if ( f->valid() )
fields_.push_back(f);
}
}
