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d0e99f195a
Give objects descriptions and context so it is possible to issue warnings instead of fatal errors for attempts to access objects of the wrong type.
118 lines
2.2 KiB
C++
118 lines
2.2 KiB
C++
#include <qpdf/QPDF_Array.hh>
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#include <qpdf/QUtil.hh>
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#include <stdexcept>
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QPDF_Array::QPDF_Array(std::vector<QPDFObjectHandle> const& items) :
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items(items)
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{
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}
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QPDF_Array::~QPDF_Array()
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{
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}
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void
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QPDF_Array::releaseResolved()
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{
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for (std::vector<QPDFObjectHandle>::iterator iter = this->items.begin();
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iter != this->items.end(); ++iter)
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{
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QPDFObjectHandle::ReleaseResolver::releaseResolved(*iter);
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}
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}
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std::string
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QPDF_Array::unparse()
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{
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std::string result = "[ ";
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for (std::vector<QPDFObjectHandle>::iterator iter = this->items.begin();
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iter != this->items.end(); ++iter)
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{
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result += (*iter).unparse();
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result += " ";
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}
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result += "]";
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return result;
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}
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QPDFObject::object_type_e
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QPDF_Array::getTypeCode() const
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{
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return QPDFObject::ot_array;
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}
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char const*
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QPDF_Array::getTypeName() const
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{
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return "array";
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}
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void
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QPDF_Array::setDescription(QPDF* qpdf, std::string const& description)
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{
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this->QPDFObject::setDescription(qpdf, description);
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}
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int
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QPDF_Array::getNItems() const
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{
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return this->items.size();
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}
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QPDFObjectHandle
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QPDF_Array::getItem(int n) const
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{
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if ((n < 0) || (n >= static_cast<int>(this->items.size())))
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{
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throw std::logic_error(
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"INTERNAL ERROR: bounds error accessing QPDF_Array element");
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}
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return this->items.at(n);
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}
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std::vector<QPDFObjectHandle> const&
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QPDF_Array::getAsVector() const
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{
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return this->items;
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}
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void
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QPDF_Array::setItem(int n, QPDFObjectHandle const& oh)
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{
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// Call getItem for bounds checking
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(void) getItem(n);
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this->items.at(n) = oh;
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}
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void
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QPDF_Array::setFromVector(std::vector<QPDFObjectHandle> const& items)
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{
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this->items = items;
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}
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void
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QPDF_Array::insertItem(int at, QPDFObjectHandle const& item)
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{
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// As special case, also allow insert beyond the end
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if ((at < 0) || (at > static_cast<int>(this->items.size())))
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{
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throw std::logic_error(
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"INTERNAL ERROR: bounds error accessing QPDF_Array element");
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}
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this->items.insert(this->items.begin() + at, item);
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}
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void
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QPDF_Array::appendItem(QPDFObjectHandle const& item)
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{
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this->items.push_back(item);
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}
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void
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QPDF_Array::eraseItem(int at)
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{
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// Call getItem for bounds checking
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(void) getItem(at);
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this->items.erase(this->items.begin() + at);
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}
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