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qpdf/libqpdf/QPDFXRefEntry.cc
2023-01-21 18:18:15 -05:00

55 lines
1.1 KiB
C++

#include <qpdf/QPDFXRefEntry.hh>
#include <qpdf/QIntC.hh>
#include <qpdf/QPDFExc.hh>
#include <qpdf/QUtil.hh>
QPDFXRefEntry::QPDFXRefEntry()
{
}
QPDFXRefEntry::QPDFXRefEntry(int type, qpdf_offset_t field1, int field2) :
type(type),
field1(field1),
field2(field2)
{
if ((type < 1) || (type > 2)) {
throw std::logic_error("invalid xref type " + std::to_string(type));
}
}
int
QPDFXRefEntry::getType() const
{
return this->type;
}
qpdf_offset_t
QPDFXRefEntry::getOffset() const
{
if (this->type != 1) {
throw std::logic_error("getOffset called for xref entry of type != 1");
}
return this->field1;
}
int
QPDFXRefEntry::getObjStreamNumber() const
{
if (this->type != 2) {
throw std::logic_error(
"getObjStreamNumber called for xref entry of type != 2");
}
return QIntC::to_int(this->field1);
}
int
QPDFXRefEntry::getObjStreamIndex() const
{
if (this->type != 2) {
throw std::logic_error(
"getObjStreamIndex called for xref entry of type != 2");
}
return this->field2;
}