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#include <qpdf/OffsetInputSource.hh>
OffsetInputSource::OffsetInputSource(PointerHolder<InputSource> proxied,
qpdf_offset_t global_offset) :
proxied(proxied),
global_offset(global_offset)
{
}
OffsetInputSource::~OffsetInputSource()
{
}
qpdf_offset_t
OffsetInputSource::findAndSkipNextEOL()
{
return this->proxied->findAndSkipNextEOL() - this->global_offset;
}
std::string const&
OffsetInputSource::getName() const
{
return this->proxied->getName();
}
qpdf_offset_t
OffsetInputSource::tell()
{
return this->proxied->tell() - this->global_offset;
}
void
OffsetInputSource::seek(qpdf_offset_t offset, int whence)
{
if (whence == SEEK_SET)
{
this->proxied->seek(offset + global_offset, whence);
}
else
{
this->proxied->seek(offset, whence);
}
}
void
OffsetInputSource::rewind()
{
seek(0, SEEK_SET);
}
size_t
OffsetInputSource::read(char* buffer, size_t length)
{
return this->proxied->read(buffer, length);
}
void
OffsetInputSource::unreadCh(char ch)
{
this->proxied->unreadCh(ch);
}
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