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qpdf/libqpdf/QPDF_Array.cc
Jay Berkenbilt 18a583e8d9 Rename QPDFValueProxy back to QPDFObject
QPDFValueProxy wasn't a good name for it. We decided the evil of
having the header file be named QPDFObject_private.hh was less than
the evil of having the class be named something other than what it
should have been named.
2022-09-08 11:29:23 -04:00

139 lines
2.9 KiB
C++

#include <qpdf/QPDF_Array.hh>
#include <qpdf/QIntC.hh>
#include <qpdf/QUtil.hh>
#include <stdexcept>
QPDF_Array::QPDF_Array(std::vector<QPDFObjectHandle> const& v) :
QPDFValue(::ot_array, "array")
{
setFromVector(v);
}
QPDF_Array::QPDF_Array(SparseOHArray const& items) :
QPDFValue(::ot_array, "array"),
elements(items)
{
}
std::shared_ptr<QPDFObject>
QPDF_Array::create(std::vector<QPDFObjectHandle> const& items)
{
return do_create(new QPDF_Array(items));
}
std::shared_ptr<QPDFObject>
QPDF_Array::create(SparseOHArray const& items)
{
return do_create(new QPDF_Array(items));
}
std::shared_ptr<QPDFObject>
QPDF_Array::shallowCopy()
{
return create(elements);
}
void
QPDF_Array::disconnect()
{
elements.disconnect();
}
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(int json_version)
{
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(json_version));
}
return j;
}
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 (auto const& iter: v) {
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));
}
void
QPDF_Array::addExplicitElementsToList(std::list<QPDFObjectHandle>& l) const
{
for (auto const& iter: this->elements) {
l.push_back(iter.second);
}
}