ext-cryptopp/algparam.cpp

109 lines
2.7 KiB
C++

// algparam.cpp - written and placed in the public domain by Wei Dai
#include "pch.h"
#ifndef CRYPTOPP_IMPORTS
#include "algparam.h"
NAMESPACE_BEGIN(CryptoPP)
PAssignIntToInteger g_pAssignIntToInteger = NULL;
bool CombinedNameValuePairs::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const
{
if (strcmp(name, "ValueNames") == 0)
return m_pairs1.GetVoidValue(name, valueType, pValue) && m_pairs2.GetVoidValue(name, valueType, pValue);
else
return m_pairs1.GetVoidValue(name, valueType, pValue) || m_pairs2.GetVoidValue(name, valueType, pValue);
}
void AlgorithmParametersBase::operator=(const AlgorithmParametersBase& rhs)
{
assert(false);
}
bool AlgorithmParametersBase::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const
{
if (strcmp(name, "ValueNames") == 0)
{
NameValuePairs::ThrowIfTypeMismatch(name, typeid(std::string), valueType);
if (m_next.get())
m_next->GetVoidValue(name, valueType, pValue);
(*reinterpret_cast<std::string *>(pValue) += m_name) += ";";
return true;
}
else if (strcmp(name, m_name) == 0)
{
AssignValue(name, valueType, pValue);
m_used = true;
return true;
}
else if (m_next.get())
return m_next->GetVoidValue(name, valueType, pValue);
else
return false;
}
AlgorithmParameters::AlgorithmParameters()
: m_constructed(false), m_defaultThrowIfNotUsed(true)
{
new(m_first) member_ptr<AlgorithmParametersBase>;
}
AlgorithmParameters::AlgorithmParameters(const AlgorithmParameters &x)
: m_constructed(false), m_defaultThrowIfNotUsed(x.m_defaultThrowIfNotUsed)
{
if (x.m_constructed)
{
x.First().MoveInto(m_first);
m_constructed = true;
}
else
new(m_first) member_ptr<AlgorithmParametersBase>(x.Next().release());
}
AlgorithmParameters::~AlgorithmParameters()
{
if (m_constructed)
First().~AlgorithmParametersBase();
else
Next().~member_ptr<AlgorithmParametersBase>();
}
AlgorithmParameters & AlgorithmParameters::operator=(const AlgorithmParameters &x)
{
if (this == &x)
return *this;
this->~AlgorithmParameters();
new (this) AlgorithmParameters(x);
return *this;
}
bool AlgorithmParameters::GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const
{
if (m_constructed)
return First().GetVoidValue(name, valueType, pValue);
else if (Next().get())
return Next()->GetVoidValue(name, valueType, pValue);
else
return false;
}
AlgorithmParametersBase & AlgorithmParameters::First()
{
return *reinterpret_cast<AlgorithmParametersBase *>(m_first);
}
member_ptr<AlgorithmParametersBase> & AlgorithmParameters::Next()
{
if (m_constructed)
return First().m_next;
else
return *reinterpret_cast<member_ptr<AlgorithmParametersBase> *>(m_first);
}
NAMESPACE_END
#endif