2
1
mirror of https://github.com/qpdf/qpdf.git synced 2024-12-23 11:28:56 +00:00
qpdf/libqpdf/QPDF_Array.cc
Jay Berkenbilt 1a7d3700a6 Fix unnecessary copies in auto iter (fixes #426)
Also switch to colon-style iteration in some cases. Thanks to Dean
Scarff for drawing this to my attention after detecting some
unnecessary copies with
https://clang.llvm.org/extra/clang-tidy/checks/performance-for-range-copy.html
2020-04-08 20:45:26 -04:00

154 lines
2.9 KiB
C++

#include <qpdf/QPDF_Array.hh>
#include <qpdf/QUtil.hh>
#include <qpdf/QIntC.hh>
#include <stdexcept>
QPDF_Array::QPDF_Array(std::vector<QPDFObjectHandle> const& v)
{
setFromVector(v);
}
QPDF_Array::QPDF_Array(SparseOHArray const& items) :
elements(items)
{
}
QPDF_Array::~QPDF_Array()
{
}
void
QPDF_Array::releaseResolved()
{
this->elements.releaseResolved();
}
std::string
QPDF_Array::unparse()
{
std::string result = "[ ";
size_t size = this->elements.size();
for (size_t i = 0; i < size; ++i)
{
result += this->elements.at(i).unparse();
result += " ";
}
result += "]";
return result;
}
JSON
QPDF_Array::getJSON()
{
JSON j = JSON::makeArray();
size_t size = this->elements.size();
for (size_t i = 0; i < size; ++i)
{
j.addArrayElement(this->elements.at(i).getJSON());
}
return j;
}
QPDFObject::object_type_e
QPDF_Array::getTypeCode() const
{
return QPDFObject::ot_array;
}
char const*
QPDF_Array::getTypeName() const
{
return "array";
}
void
QPDF_Array::setDescription(QPDF* qpdf, std::string const& description)
{
this->QPDFObject::setDescription(qpdf, description);
}
int
QPDF_Array::getNItems() const
{
// This should really return a size_t, but changing it would break
// a lot of code.
return QIntC::to_int(this->elements.size());
}
QPDFObjectHandle
QPDF_Array::getItem(int n) const
{
if ((n < 0) || (n >= QIntC::to_int(elements.size())))
{
throw std::logic_error(
"INTERNAL ERROR: bounds error accessing QPDF_Array element");
}
return this->elements.at(QIntC::to_size(n));
}
void
QPDF_Array::getAsVector(std::vector<QPDFObjectHandle>& v) const
{
size_t size = this->elements.size();
for (size_t i = 0; i < size; ++i)
{
v.push_back(this->elements.at(i));
}
}
void
QPDF_Array::setItem(int n, QPDFObjectHandle const& oh)
{
this->elements.setAt(QIntC::to_size(n), oh);
}
void
QPDF_Array::setFromVector(std::vector<QPDFObjectHandle> const& v)
{
this->elements = SparseOHArray();
for (std::vector<QPDFObjectHandle>::const_iterator iter = v.begin();
iter != v.end(); ++iter)
{
this->elements.append(*iter);
}
}
void
QPDF_Array::insertItem(int at, QPDFObjectHandle const& item)
{
// As special case, also allow insert beyond the end
if ((at < 0) || (at > QIntC::to_int(this->elements.size())))
{
throw std::logic_error(
"INTERNAL ERROR: bounds error accessing QPDF_Array element");
}
this->elements.insert(QIntC::to_size(at), item);
}
void
QPDF_Array::appendItem(QPDFObjectHandle const& item)
{
this->elements.append(item);
}
void
QPDF_Array::eraseItem(int at)
{
this->elements.erase(QIntC::to_size(at));
}
SparseOHArray const&
QPDF_Array::getElementsForShallowCopy() const
{
return this->elements;
}
void
QPDF_Array::addExplicitElementsToList(std::list<QPDFObjectHandle>& l) const
{
for (auto const& iter: this->elements)
{
l.push_back(iter.second);
}
}