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//////////////////////////////////////////////////////////////////////////
//
// pgScript - PostgreSQL Tools
//
// Copyright (C) 2002 - 2012, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
//////////////////////////////////////////////////////////////////////////
#include "pgAdmin3.h"
#include "pgscript/expressions/pgsGenReal.h"
#include "pgscript/exceptions/pgsParameterException.h"
#include "pgscript/generators/pgsRealGen.h"
#include "pgscript/objects/pgsGenerator.h"
pgsGenReal::pgsGenReal(const pgsExpression *min, const pgsExpression *max,
const pgsExpression *precision, const pgsExpression *sequence,
const pgsExpression *seed) :
pgsExpression(), m_min(min), m_max(max), m_precision(precision),
m_sequence(sequence), m_seed(seed)
{
}
pgsGenReal::~pgsGenReal()
{
pdelete(m_min);
pdelete(m_max);
pdelete(m_precision);
pdelete(m_sequence);
pdelete(m_seed);
}
pgsExpression *pgsGenReal::clone() const
{
return pnew pgsGenReal(*this);
}
pgsGenReal::pgsGenReal(const pgsGenReal &that) :
pgsExpression(that)
{
m_min = that.m_min->clone();
m_max = that.m_max->clone();
m_precision = that.m_precision->clone();
m_sequence = that.m_sequence->clone();
m_seed = that.m_seed->clone();
}
pgsGenReal &pgsGenReal::operator =(const pgsGenReal &that)
{
if (this != &that)
{
pgsExpression::operator=(that);
pdelete(m_min);
pdelete(m_max);
pdelete(m_precision);
pdelete(m_sequence);
pdelete(m_seed);
m_min = that.m_min->clone();
m_max = that.m_max->clone();
m_precision = that.m_precision->clone();
m_sequence = that.m_sequence->clone();
m_seed = that.m_seed->clone();
}
return (*this);
}
wxString pgsGenReal::value() const
{
return wxString() << wxT("real[ min = ") << m_min->value() << wxT(" max = ")
<< m_max->value() << wxT(" precision = ") << m_precision->value()
<< wxT(" sequence = ") << m_sequence->value() << wxT(" seed = ")
<< m_seed->value() << wxT(" ]");
}
pgsOperand pgsGenReal::eval(pgsVarMap &vars) const
{
// Evaluate parameters
pgsOperand min(m_min->eval(vars));
pgsOperand max(m_max->eval(vars));
pgsOperand precision(m_precision->eval(vars));
pgsOperand sequence(m_sequence->eval(vars));
pgsOperand seed(m_seed->eval(vars));
// Check parameters and create the generator
if (min->is_number() && max->is_number() && sequence->is_integer()
&& seed->is_integer() && precision->is_integer())
{
long aux_sequence, aux_seed, aux_precision;
sequence->value().ToLong(&aux_sequence);
seed->value().ToLong(&aux_seed);
precision->value().ToLong(&aux_precision);
return pnew pgsGenerator(pgsVariable::pgsTReal,
pnew pgsRealGen(pgsVariable::num(min), pgsVariable::num(max), aux_precision,
aux_sequence != 0, aux_seed));
}
else
{
// Deal with errors
if (!min->is_number())
{
throw pgsParameterException(wxString() << value()
<< wxT(":\nmin should be a number"));
}
else if (!max->is_number())
{
throw pgsParameterException(wxString() << value()
<< wxT(":\nmax should be a number"));
}
else if (!precision->is_integer())
{
throw pgsParameterException(wxString() << value()
<< wxT(":\nprecision should be an integer"));
}
else if (!sequence->is_integer())
{
throw pgsParameterException(wxString() << value()
<< wxT(":\nsequence should be an integer"));
}
else
{
throw pgsParameterException(wxString() << value()
<< wxT(":\nseed should be an integer"));
}
}
}
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