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#include <qpdf/Buffer.hh>
#include <cstring>
Buffer::Members::Members(size_t size, unsigned char* buf, bool own_memory) :
own_memory(own_memory),
size(size),
buf(0)
{
if (own_memory)
{
this->buf = (size ? new unsigned char[size] : 0);
}
else
{
this->buf = buf;
}
}
Buffer::Members::~Members()
{
if (this->own_memory)
{
delete [] this->buf;
}
}
Buffer::Buffer() :
m(new Members(0, 0, true))
{
}
Buffer::Buffer(size_t size) :
m(new Members(size, 0, true))
{
}
Buffer::Buffer(unsigned char* buf, size_t size) :
m(new Members(size, buf, false))
{
}
Buffer::Buffer(Buffer const& rhs)
{
copy(rhs);
}
Buffer&
Buffer::operator=(Buffer const& rhs)
{
copy(rhs);
return *this;
}
void
Buffer::copy(Buffer const& rhs)
{
if (this != &rhs)
{
this->m = new Members(rhs.m->size, 0, true);
if (this->m->size)
{
memcpy(this->m->buf, rhs.m->buf, this->m->size);
}
}
}
size_t
Buffer::getSize() const
{
return this->m->size;
}
unsigned char const*
Buffer::getBuffer() const
{
return this->m->buf;
}
unsigned char*
Buffer::getBuffer()
{
return this->m->buf;
}
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