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#include <qpdf/QPDFNameTreeObjectHelper.hh>
#include <qpdf/NNTree.hh>
class NameTreeDetails: public NNTreeDetails
{
public:
virtual std::string const& itemsKey() const override
{
static std::string k("/Names");
return k;
}
virtual bool keyValid(QPDFObjectHandle oh) const override
{
return oh.isString();
}
virtual int compareKeys(
QPDFObjectHandle a, QPDFObjectHandle b) const override
{
if (! (keyValid(a) && keyValid(b)))
{
// We don't call this without calling keyValid first
throw std::logic_error("comparing invalid keys");
}
auto as = a.getUTF8Value();
auto bs = b.getUTF8Value();
return ((as < bs) ? -1 : (as > bs) ? 1 : 0);
}
};
static NameTreeDetails name_tree_details;
QPDFNameTreeObjectHelper::Members::~Members()
{
}
QPDFNameTreeObjectHelper::Members::Members(QPDFObjectHandle& oh) :
impl(std::make_shared<NNTreeImpl>(name_tree_details, nullptr, oh, false))
{
}
QPDFNameTreeObjectHelper::QPDFNameTreeObjectHelper(QPDFObjectHandle oh) :
QPDFObjectHelper(oh),
m(new Members(oh))
{
}
QPDFNameTreeObjectHelper::~QPDFNameTreeObjectHelper()
{
}
bool
QPDFNameTreeObjectHelper::hasName(std::string const& name)
{
auto i = this->m->impl->find(QPDFObjectHandle::newUnicodeString(name));
return (i != this->m->impl->end());
}
bool
QPDFNameTreeObjectHelper::findObject(
std::string const& name, QPDFObjectHandle& oh)
{
auto i = this->m->impl->find(QPDFObjectHandle::newUnicodeString(name));
if (i == this->m->impl->end())
{
return false;
}
oh = (*i).second;
return true;
}
std::map<std::string, QPDFObjectHandle>
QPDFNameTreeObjectHelper::getAsMap() const
{
std::map<std::string, QPDFObjectHandle> result;
for (auto i: *(this->m->impl))
{
result.insert(
std::make_pair(i.first.getUTF8Value(),
i.second));
}
return result;
}
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