527 lines
12 KiB
C++
527 lines
12 KiB
C++
/*
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* Copyright (C) 2016 Mark Roszko <mark.roszko@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "sexpr/sexpr.h"
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#include <cctype>
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#include <iterator>
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#include <stdexcept>
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#include <iomanip>
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#include <sstream>
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namespace SEXPR
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{
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SEXPR::SEXPR( SEXPR_TYPE aType, size_t aLineNumber ) :
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m_type( aType ), m_lineNumber( aLineNumber )
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{
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}
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SEXPR::SEXPR(SEXPR_TYPE aType) :
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m_type( aType ), m_lineNumber( 1 )
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{
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}
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SEXPR_VECTOR const * SEXPR::GetChildren() const
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{
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if( m_type != SEXPR_TYPE::SEXPR_TYPE_LIST )
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{
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throw INVALID_TYPE_EXCEPTION("SEXPR is not a list type!");
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}
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return &static_cast< SEXPR_LIST const * >(this)->m_children;
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}
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SEXPR* SEXPR::GetChild( size_t aIndex ) const
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{
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if( m_type != SEXPR_TYPE::SEXPR_TYPE_LIST )
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{
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throw INVALID_TYPE_EXCEPTION("SEXPR is not a list type!");
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}
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return static_cast< SEXPR_LIST const * >(this)->m_children[aIndex];
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}
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void SEXPR::AddChild( SEXPR* aChild )
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{
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if( m_type != SEXPR_TYPE::SEXPR_TYPE_LIST )
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{
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throw INVALID_TYPE_EXCEPTION("SEXPR is not a list type!");
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}
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SEXPR_LIST* list = static_cast< SEXPR_LIST * >( this );
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list->m_children.push_back( aChild );
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}
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size_t SEXPR::GetNumberOfChildren() const
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{
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if( m_type != SEXPR_TYPE::SEXPR_TYPE_LIST )
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{
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throw INVALID_TYPE_EXCEPTION("SEXPR is not a list type!");
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}
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return static_cast< SEXPR_LIST const * >(this)->m_children.size();
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}
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std::string const & SEXPR::GetString() const
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{
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if( m_type != SEXPR_TYPE::SEXPR_TYPE_ATOM_STRING )
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{
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throw INVALID_TYPE_EXCEPTION("SEXPR is not a string type!");
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}
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return static_cast< SEXPR_STRING const * >(this)->m_value;
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}
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int32_t SEXPR::GetInteger() const
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{
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return static_cast< int >( GetLongInteger() );
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}
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int64_t SEXPR::GetLongInteger() const
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{
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if( m_type != SEXPR_TYPE::SEXPR_TYPE_ATOM_INTEGER )
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{
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throw INVALID_TYPE_EXCEPTION("SEXPR is not a integer type!");
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}
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return static_cast< SEXPR_INTEGER const * >(this)->m_value;
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}
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double SEXPR::GetDouble() const
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{
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// we may end up parsing "intended" floats/doubles as ints
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// so here we allow silent casting back to doubles
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if( m_type == SEXPR_TYPE::SEXPR_TYPE_ATOM_DOUBLE )
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{
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return static_cast< SEXPR_DOUBLE const * >(this)->m_value;
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}
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else if( m_type == SEXPR_TYPE::SEXPR_TYPE_ATOM_INTEGER )
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{
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return static_cast< SEXPR_INTEGER const * >(this)->m_value;
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}
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else
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{
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throw INVALID_TYPE_EXCEPTION("SEXPR is not a double type!");
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}
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}
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float SEXPR::GetFloat() const
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{
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return static_cast< float >( GetDouble() );
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}
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std::string const & SEXPR::GetSymbol() const
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{
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if( m_type != SEXPR_TYPE::SEXPR_TYPE_ATOM_SYMBOL )
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{
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throw INVALID_TYPE_EXCEPTION("SEXPR is not a symbol type!");
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}
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return static_cast< SEXPR_SYMBOL const * >(this)->m_value;
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}
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SEXPR_LIST* SEXPR::GetList()
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{
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if( m_type != SEXPR_TYPE::SEXPR_TYPE_LIST )
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{
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throw INVALID_TYPE_EXCEPTION("SEXPR is not a list type!");
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}
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return static_cast< SEXPR_LIST* >(this);
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}
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std::string SEXPR::AsString( size_t aLevel )
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{
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std::string result;
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if( IsList() )
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{
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if( aLevel != 0 )
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{
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result = "\n";
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}
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result.append( aLevel* 4, ' ' );
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aLevel++;
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result += "(";
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SEXPR_VECTOR const* list = GetChildren();
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for( std::vector<SEXPR *>::const_iterator it = list->begin(); it != list->end(); ++it )
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{
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result += (*it)->AsString( aLevel );
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if( it != list->end() - 1 )
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{
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result += " ";
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}
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}
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result += ")";
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aLevel--;
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}
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else if( IsString() )
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{
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result += "\"" + GetString() + "\"";
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}
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else if( IsSymbol() )
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{
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result += GetSymbol();
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}
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else if( IsInteger() )
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{
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std::stringstream out;
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out << GetInteger();
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result += out.str();
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}
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else if( IsDouble() )
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{
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std::stringstream out;
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out << std::setprecision( 16 ) << GetDouble();
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result += out.str();
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}
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return result;
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}
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SEXPR_LIST::~SEXPR_LIST()
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{
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for( auto child : m_children )
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{
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delete child;
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}
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m_children.clear();
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}
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SEXPR_LIST& operator<< ( SEXPR_LIST& list, const ISEXPRABLE& obj )
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{
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SEXPR* sobj = obj.SerializeSEXPR();
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list.AddChild( sobj );
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return list;
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}
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SEXPR_LIST& operator<< ( SEXPR_LIST& list, int64_t value )
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{
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list.AddChild( new SEXPR_INTEGER( value ) );
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return list;
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}
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SEXPR_LIST& operator<< ( SEXPR_LIST& list, int32_t value )
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{
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list.AddChild( new SEXPR_INTEGER( value ) );
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return list;
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}
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SEXPR_LIST& operator<< ( SEXPR_LIST& list, float value )
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{
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list.AddChild( new SEXPR_DOUBLE( value ) );
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return list;
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}
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SEXPR_LIST& operator<< ( SEXPR_LIST& list, double value )
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{
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list.AddChild( new SEXPR_DOUBLE( value ) );
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return list;
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}
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SEXPR_LIST& operator<< ( SEXPR_LIST& list, std::string value )
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{
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list.AddChild( new SEXPR_STRING( value ) );
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return list;
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}
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SEXPR_LIST& operator<< ( SEXPR_LIST& list, SEXPR* obj )
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{
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list.AddChild( obj );
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return list;
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}
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SEXPR_LIST& operator<< ( SEXPR_LIST& list, const _OUT_STRING setting )
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{
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SEXPR *res;
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if( setting._Symbol )
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{
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res = new SEXPR_SYMBOL( setting._String );
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}
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else
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{
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res = new SEXPR_STRING( setting._String );
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}
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list.AddChild( res );
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return list;
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}
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SEXPR_LIST& operator>> ( SEXPR_LIST& input, ISEXPRABLE& obj )
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{
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obj.DeserializeSEXPR( input );
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return input;
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}
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SEXPR_LIST& operator>> ( SEXPR_LIST& input, int32_t& inte )
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{
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SEXPR* child = input.GetChild( input.m_inStreamChild );
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if( child->IsInteger() )
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{
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inte = child->GetInteger();
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input.m_inStreamChild++;
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}
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else
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{
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throw std::invalid_argument( "SEXPR is not a integer type!" );
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}
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return input;
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}
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SEXPR_LIST& operator>> ( SEXPR_LIST& input, std::string& str )
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{
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SEXPR* child = input.GetChild( input.m_inStreamChild );
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if( child->IsString() || child->IsSymbol() )
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{
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str = child->GetString();
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input.m_inStreamChild++;
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}
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else
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{
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throw std::invalid_argument( "SEXPR is not a string type!" );
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}
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return input;
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}
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SEXPR_LIST& operator>> ( SEXPR_LIST& input, int64_t& lint )
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{
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SEXPR* child = input.GetChild( input.m_inStreamChild );
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if( child->IsInteger() )
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{
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lint = child->GetLongInteger();
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input.m_inStreamChild++;
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}
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else
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{
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throw std::invalid_argument("SEXPR is not a long integer type!");
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}
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return input;
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}
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SEXPR_LIST& operator>> ( SEXPR_LIST& input, float& fl )
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{
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SEXPR* child = input.GetChild( input.m_inStreamChild );
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if( child->IsDouble() )
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{
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fl = child->GetFloat();
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input.m_inStreamChild++;
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}
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else
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{
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throw std::invalid_argument( "SEXPR is not a float type!" );
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}
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return input;
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}
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SEXPR_LIST& operator>> ( SEXPR_LIST& input, double& dbl )
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{
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SEXPR* child = input.GetChild( input.m_inStreamChild );
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if( child->IsDouble() )
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{
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dbl = child->GetDouble();
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input.m_inStreamChild++;
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}
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else
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{
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throw std::invalid_argument( "SEXPR is not a double type!" );
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}
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return input;
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}
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SEXPR_LIST& operator>> ( SEXPR_LIST& input, const _IN_STRING is )
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{
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SEXPR* child = input.GetChild( input.m_inStreamChild );
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if( is._Symbol )
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{
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if( child->IsSymbol() )
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{
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is._String = child->GetSymbol();
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input.m_inStreamChild++;
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}
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else
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{
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throw std::invalid_argument( "SEXPR is not a symbol type!" );
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}
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}
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else
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{
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if( child->IsString() )
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{
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is._String = child->GetString();
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input.m_inStreamChild++;
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}
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else
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{
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throw std::invalid_argument( "SEXPR is not a string type!" );
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}
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}
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return input;
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}
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SEXPR_LIST& operator<< ( SEXPR_LIST& list, SEXPR_LIST* list2 )
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{
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list.AddChild( list2 );
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return list;
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}
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size_t SEXPR_LIST::doScan( const SEXPR_SCAN_ARG *args, size_t num_args )
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{
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size_t i = 0;
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for( i = 0; i < num_args; i++ )
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{
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SEXPR* child = GetChild( i );
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const SEXPR_SCAN_ARG& arg = args[i];
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try
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{
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if( arg.type == SEXPR_SCAN_ARG::Type::DOUBLE )
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{
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*arg.u.dbl_value = child->GetDouble();
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}
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else if( arg.type == SEXPR_SCAN_ARG::Type::INT )
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{
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*arg.u.dbl_value = child->GetInteger();
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}
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else if( arg.type == SEXPR_SCAN_ARG::Type::STRING )
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{
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if( child->IsSymbol() )
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{
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*arg.u.str_value = child->GetSymbol();
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}
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else if( child->IsString() )
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{
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*arg.u.str_value = child->GetString();
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}
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}
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else if( arg.type == SEXPR_SCAN_ARG::Type::LONGINT )
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{
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*arg.u.lint_value = child->GetLongInteger();
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}
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else if( arg.type == SEXPR_SCAN_ARG::Type::SEXPR_STRING )
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{
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if( arg.u.sexpr_str->_Symbol )
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{
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arg.u.sexpr_str->_String = child->GetSymbol();
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}
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else
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{
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arg.u.sexpr_str->_String = child->GetString();
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}
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}
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else if( arg.type == SEXPR_SCAN_ARG::Type::STRING_COMP )
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{
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if( child->IsSymbol() )
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{
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if( child->GetSymbol() != arg.str_value )
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{
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return i;
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}
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}
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else if( child->IsString() )
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{
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if( child->GetString() != arg.str_value )
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{
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return i;
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}
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}
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}
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else
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{
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throw std::invalid_argument( "unsupported argument type, this shouldn't have happened" );
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}
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}
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catch( const INVALID_TYPE_EXCEPTION& )
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{
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return i;
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}
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}
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return i;
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}
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void SEXPR_LIST::doAddChildren( const SEXPR_CHILDREN_ARG *args, size_t num_args )
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{
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size_t i = 0;
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for( i = 0; i < num_args; i++ )
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{
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const SEXPR_CHILDREN_ARG& arg = args[i];
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if( arg.type == SEXPR_CHILDREN_ARG::Type::DOUBLE )
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{
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AddChild( new SEXPR_DOUBLE( arg.u.dbl_value ) );
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}
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else if( arg.type == SEXPR_CHILDREN_ARG::Type::INT )
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{
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AddChild( new SEXPR_INTEGER( arg.u.int_value ) );
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}
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else if( arg.type == SEXPR_CHILDREN_ARG::Type::LONGINT )
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{
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AddChild( new SEXPR_INTEGER( arg.u.lint_value ) );
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}
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else if( arg.type == SEXPR_CHILDREN_ARG::Type::STRING )
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{
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AddChild( new SEXPR_STRING( arg.str_value ) );
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}
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else if( arg.type == SEXPR_CHILDREN_ARG::Type::SEXPR_ATOM )
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{
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AddChild( arg.u.sexpr_ptr );
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}
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else if( arg.type == SEXPR_CHILDREN_ARG::Type::SEXPR_STRING )
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{
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if( arg.u.symbol )
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{
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AddChild( new SEXPR_SYMBOL( arg.str_value ) );
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}
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else
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{
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AddChild( new SEXPR_STRING( arg.str_value ) );
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}
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}
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else
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{
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throw std::invalid_argument( "unexpected argument type, this shouldn't have happened" );
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}
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}
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}
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}
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