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#include <qpdf/SparseOHArray.hh>
#include <stdexcept>
static const QPDFObjectHandle null_oh = QPDFObjectHandle::newNull();
QPDFObjectHandle
SparseOHArray::at(int idx) const
{
auto const& iter = elements.find(idx);
return iter == elements.end() ? null_oh : (*iter).second;
}
void
SparseOHArray::remove_last()
{
if (this->n_elements == 0) {
throw std::logic_error("INTERNAL ERROR: attempt to remove"
" last item from empty SparseOHArray");
}
--this->n_elements;
this->elements.erase(this->n_elements);
}
void
SparseOHArray::disconnect()
{
for (auto& iter: this->elements) {
QPDFObjectHandle::DisconnectAccess::disconnect(iter.second);
}
}
SparseOHArray
SparseOHArray::copy()
{
SparseOHArray result;
result.n_elements = this->n_elements;
for (auto const& element: this->elements) {
auto value = element.second;
result.elements[element.first] =
value->getObjGen().isIndirect() ? value : value->copy();
}
return result;
}
SparseOHArray::const_iterator
SparseOHArray::begin() const
{
return this->elements.begin();
}
SparseOHArray::const_iterator
SparseOHArray::end() const
{
return this->elements.end();
}
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