Method peek

src/ifcparse/FileReader.cpp:286–289

size_t FileReader::size() const { return impl_->size(); }

char FileReader::peek() const {
    if (cursor_ >= impl_->size()) throw std::out_of_range("peek at EOF");
    return impl_->get(cursor_);
}

void FileReader::increment(size_t n) {
    if (cursor_ + n > impl_->size()) throw std::out_of_range("increment past EOF");