mirror of
https://github.com/levinsv/pgadmin3.git
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115 lines
3.1 KiB
C++
115 lines
3.1 KiB
C++
//////////////////////////////////////////////////////////////////////////
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//
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// pgScript - PostgreSQL Tools
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//
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// Copyright (C) 2002 - 2016, The pgAdmin Development Team
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// This software is released under the PostgreSQL Licence
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//
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//////////////////////////////////////////////////////////////////////////
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#include "pgAdmin3.h"
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#include "pgscript/expressions/pgsGenString.h"
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#include "pgscript/exceptions/pgsParameterException.h"
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#include "pgscript/generators/pgsStringGen.h"
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#include "pgscript/objects/pgsGenerator.h"
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pgsGenString::pgsGenString(const pgsExpression *min, const pgsExpression *max,
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const pgsExpression *nb_words, const pgsExpression *seed) :
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pgsExpression(), m_min(min), m_max(max), m_nb_words(nb_words), m_seed(seed)
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{
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}
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pgsGenString::~pgsGenString()
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{
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pdelete(m_min);
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pdelete(m_max);
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pdelete(m_nb_words);
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pdelete(m_seed);
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}
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pgsExpression *pgsGenString::clone() const
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{
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return pnew pgsGenString(*this);
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}
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pgsGenString::pgsGenString(const pgsGenString &that) :
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pgsExpression(that)
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{
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m_min = that.m_min->clone();
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m_max = that.m_max->clone();
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m_nb_words = that.m_nb_words->clone();
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m_seed = that.m_seed->clone();
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}
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pgsGenString &pgsGenString::operator =(const pgsGenString &that)
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{
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if (this != &that)
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{
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pgsExpression::operator=(that);
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pdelete(m_min);
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pdelete(m_max);
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pdelete(m_nb_words);
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pdelete(m_seed);
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m_min = that.m_min->clone();
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m_max = that.m_max->clone();
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m_nb_words = that.m_nb_words->clone();
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m_seed = that.m_seed->clone();
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}
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return (*this);
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}
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wxString pgsGenString::value() const
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{
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return wxString() << wxT("string[ min = ") << m_min->value() << wxT(" max = ")
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<< m_max->value() << wxT(" nb_words = ") << m_nb_words->value()
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<< wxT(" seed = ") << m_seed->value() << wxT(" ]");
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}
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pgsOperand pgsGenString::eval(pgsVarMap &vars) const
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{
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// Evaluate parameters
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pgsOperand min(m_min->eval(vars));
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pgsOperand max(m_max->eval(vars));
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pgsOperand nb_words(m_nb_words->eval(vars));
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pgsOperand seed(m_seed->eval(vars));
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// Check parameters and create the generator
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if (min->is_integer() && max->is_integer() && nb_words->is_integer()
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&& seed->is_integer())
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{
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long aux_min, aux_max, aux_nb_words, aux_seed;
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min->value().ToLong(&aux_min);
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max->value().ToLong(&aux_max);
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nb_words->value().ToLong(&aux_nb_words);
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seed->value().ToLong(&aux_seed);
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return pnew pgsGenerator(pgsVariable::pgsTString,
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pnew pgsStringGen(aux_min, aux_max, aux_nb_words, aux_seed));
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}
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else
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{
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// Deal with errors
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if (!min->is_integer())
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{
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throw pgsParameterException(wxString() << value()
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<< wxT(":\nmin should be an integer"));
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}
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else if (!max->is_integer())
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{
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throw pgsParameterException(wxString() << value()
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<< wxT(":\nmax should be an integer"));
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}
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else if (!nb_words->is_integer())
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{
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throw pgsParameterException(wxString() << value()
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<< wxT(":\nnb_words should be an integer"));
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}
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else
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{
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throw pgsParameterException(wxString() << value()
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<< wxT(":\nseed should be an integer"));
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}
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}
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}
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