299 lines
9.3 KiB
C++
299 lines
9.3 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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#ifndef SEXPR_H_
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#define SEXPR_H_
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#include <cstdint>
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#include <string>
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#include <vector>
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#include "sexpr/isexprable.h"
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#include "sexpr/sexpr_exception.h"
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namespace SEXPR
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{
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using std::int32_t;
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using std::int64_t;
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enum class SEXPR_TYPE : char
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{
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SEXPR_TYPE_LIST,
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SEXPR_TYPE_ATOM_INTEGER,
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SEXPR_TYPE_ATOM_DOUBLE,
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SEXPR_TYPE_ATOM_STRING,
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SEXPR_TYPE_ATOM_SYMBOL,
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};
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typedef std::vector< class SEXPR * > SEXPR_VECTOR;
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class SEXPR
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{
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protected:
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SEXPR_TYPE m_type;
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SEXPR( SEXPR_TYPE aType, size_t aLineNumber );
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SEXPR( SEXPR_TYPE aType );
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size_t m_lineNumber;
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public:
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virtual ~SEXPR() {};
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bool IsList() const { return m_type == SEXPR_TYPE::SEXPR_TYPE_LIST; }
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bool IsSymbol() const { return m_type == SEXPR_TYPE::SEXPR_TYPE_ATOM_SYMBOL; }
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bool IsString() const { return m_type == SEXPR_TYPE::SEXPR_TYPE_ATOM_STRING; }
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bool IsDouble() const { return m_type == SEXPR_TYPE::SEXPR_TYPE_ATOM_DOUBLE; }
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bool IsInteger() const { return m_type == SEXPR_TYPE::SEXPR_TYPE_ATOM_INTEGER; }
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void AddChild( SEXPR* aChild );
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SEXPR_VECTOR const * GetChildren() const;
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SEXPR * GetChild( size_t aIndex ) const;
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size_t GetNumberOfChildren() const;
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int64_t GetLongInteger() const;
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int32_t GetInteger() const;
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float GetFloat() const;
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double GetDouble() const;
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std::string const & GetString() const;
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std::string const & GetSymbol() const;
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SEXPR_LIST* GetList();
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std::string AsString( size_t aLevel = 0);
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size_t GetLineNumber() { return m_lineNumber; }
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};
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struct SEXPR_INTEGER : public SEXPR
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{
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int64_t m_value;
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SEXPR_INTEGER( int64_t aValue ) :
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SEXPR( SEXPR_TYPE::SEXPR_TYPE_ATOM_INTEGER ), m_value( aValue ) {};
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SEXPR_INTEGER( int64_t aValue, int aLineNumber ) :
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SEXPR( SEXPR_TYPE::SEXPR_TYPE_ATOM_INTEGER, aLineNumber ), m_value( aValue ) {};
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};
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struct SEXPR_DOUBLE : public SEXPR
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{
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double m_value;
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SEXPR_DOUBLE( double aValue ) :
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SEXPR( SEXPR_TYPE::SEXPR_TYPE_ATOM_DOUBLE ), m_value( aValue ) {};
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SEXPR_DOUBLE( double aValue, int aLineNumber ) :
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SEXPR( SEXPR_TYPE::SEXPR_TYPE_ATOM_DOUBLE, aLineNumber ), m_value( aValue ) {};
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};
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struct SEXPR_STRING : public SEXPR
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{
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std::string m_value;
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SEXPR_STRING( std::string aValue ) :
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SEXPR( SEXPR_TYPE::SEXPR_TYPE_ATOM_STRING ), m_value(aValue) {};
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SEXPR_STRING( std::string aValue, int aLineNumber ) :
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SEXPR( SEXPR_TYPE::SEXPR_TYPE_ATOM_STRING, aLineNumber ), m_value( aValue ) {};
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};
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struct SEXPR_SYMBOL : public SEXPR
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{
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std::string m_value;
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SEXPR_SYMBOL( std::string aValue ) :
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SEXPR( SEXPR_TYPE::SEXPR_TYPE_ATOM_SYMBOL ), m_value( aValue ) {};
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SEXPR_SYMBOL( std::string aValue, int aLineNumber ) :
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SEXPR( SEXPR_TYPE::SEXPR_TYPE_ATOM_SYMBOL, aLineNumber ), m_value( aValue ) {};
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};
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struct _OUT_STRING
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{
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bool _Symbol;
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const std::string& _String;
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};
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inline _OUT_STRING AsSymbol( const std::string& aString )
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{
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struct _OUT_STRING ret = { true, aString };
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return ret;
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}
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inline _OUT_STRING AsString( const std::string& aString )
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{
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struct _OUT_STRING ret = { false, aString };
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return ret;
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}
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struct _IN_STRING
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{
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bool _Symbol;
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std::string& _String;
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};
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inline _IN_STRING AsSymbol( std::string& aString )
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{
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struct _IN_STRING ret = { true, aString };
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return ret;
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}
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inline _IN_STRING AsString( std::string& aString )
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{
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struct _IN_STRING ret = { false, aString };
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return ret;
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}
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class SEXPR_SCAN_ARG
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{
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friend class SEXPR_LIST;
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public:
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SEXPR_SCAN_ARG( int32_t* aValue ) :
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type( Type::INT ) { u.int_value = aValue; }
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SEXPR_SCAN_ARG( int64_t* aValue ) :
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type( Type::LONGINT ) { u.lint_value = aValue; }
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SEXPR_SCAN_ARG( double* aValue ) :
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type( Type::DOUBLE ) { u.dbl_value = aValue; }
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SEXPR_SCAN_ARG( std::string* aValue ) :
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type( Type::STRING ) { u.str_value = aValue; }
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SEXPR_SCAN_ARG( _IN_STRING& aValue ) :
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type( Type::SEXPR_STRING ) { u.sexpr_str = &aValue; }
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SEXPR_SCAN_ARG( const std::string* aValue ) :
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type( Type::STRING_COMP ) { str_value = *aValue; }
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SEXPR_SCAN_ARG( std::string aValue ) :
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type( Type::STRING_COMP ) { str_value = aValue; }
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SEXPR_SCAN_ARG( const char* aValue ) :
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type( Type::STRING_COMP ) { str_value = aValue; }
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private:
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enum class Type : char { INT, DOUBLE, STRING, LONGINT, STRING_COMP, SEXPR_STRING };
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Type type;
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union
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{
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int64_t* lint_value;
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int32_t* int_value;
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double* dbl_value;
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std::string* str_value;
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_IN_STRING* sexpr_str;
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} u;
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std::string str_value;
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};
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class SEXPR_CHILDREN_ARG
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{
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friend class SEXPR_LIST;
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public:
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SEXPR_CHILDREN_ARG( int32_t aValue ) :
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type( Type::INT ) { u.int_value = aValue; }
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SEXPR_CHILDREN_ARG( int64_t aValue ) :
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type( Type::LONGINT ) { u.lint_value = aValue; }
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SEXPR_CHILDREN_ARG( double aValue ) :
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type( Type::DOUBLE ) { u.dbl_value = aValue; }
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SEXPR_CHILDREN_ARG( std::string aValue ) :
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type( Type::STRING ) { str_value = aValue; }
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SEXPR_CHILDREN_ARG( const char* aValue ) :
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type( Type::STRING ) { str_value = aValue; }
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SEXPR_CHILDREN_ARG( const _OUT_STRING& aValue ) :
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type( Type::SEXPR_STRING ) { str_value = aValue._String; u.symbol = aValue._Symbol; }
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SEXPR_CHILDREN_ARG( SEXPR* aPointer ) :
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type( Type::SEXPR_ATOM ) { u.sexpr_ptr = aPointer; }
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private:
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enum class Type : char { INT, DOUBLE, STRING, LONGINT, SEXPR_STRING, SEXPR_ATOM };
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Type type;
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union
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{
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int64_t lint_value;
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int32_t int_value;
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double dbl_value;
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SEXPR* sexpr_ptr;
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bool symbol;
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} u;
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std::string str_value;
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};
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class SEXPR_LIST : public SEXPR
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{
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public:
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SEXPR_LIST() : SEXPR( SEXPR_TYPE::SEXPR_TYPE_LIST ), m_inStreamChild( 0 ) {};
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SEXPR_LIST( int aLineNumber ) :
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SEXPR( SEXPR_TYPE::SEXPR_TYPE_LIST, aLineNumber), m_inStreamChild( 0 ) {};
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template <typename... Args>
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SEXPR_LIST( const Args&... args ) :
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SEXPR( SEXPR_TYPE::SEXPR_TYPE_LIST ), m_inStreamChild( 0 )
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{
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AddChildren(args...);
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};
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SEXPR_VECTOR m_children;
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template <typename... Args>
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size_t Scan( const Args&... args )
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{
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SEXPR_SCAN_ARG arg_array[] = { args... };
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return doScan( arg_array, sizeof...( Args ) );
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}
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template <typename... Args>
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void AddChildren( const Args&... args )
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{
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SEXPR_CHILDREN_ARG arg_array[] = { args... };
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doAddChildren( arg_array, sizeof...( Args ) );
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}
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virtual ~SEXPR_LIST();
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friend SEXPR_LIST& operator<< ( SEXPR_LIST& list, double value );
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friend SEXPR_LIST& operator<< ( SEXPR_LIST& list, float value );
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friend SEXPR_LIST& operator<< ( SEXPR_LIST& list, int64_t value );
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friend SEXPR_LIST& operator<< ( SEXPR_LIST& list, int32_t value );
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friend SEXPR_LIST& operator<< ( SEXPR_LIST& list, std::string value );
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friend SEXPR_LIST& operator<< ( SEXPR_LIST& list, const _OUT_STRING setting );
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friend SEXPR_LIST& operator<< ( SEXPR_LIST& list, const ISEXPRABLE& obj );
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friend SEXPR_LIST& operator<< ( SEXPR_LIST& list, SEXPR_LIST* list2 );
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friend SEXPR_LIST& operator<< ( SEXPR_LIST& list, SEXPR* obj );
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friend SEXPR_LIST& operator>> ( SEXPR_LIST& input, ISEXPRABLE& obj );
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friend SEXPR_LIST& operator>> ( SEXPR_LIST& input, std::string& str );
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friend SEXPR_LIST& operator>> ( SEXPR_LIST& input, int32_t& inte );
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friend SEXPR_LIST& operator>> ( SEXPR_LIST& input, int64_t& inte );
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friend SEXPR_LIST& operator>> ( SEXPR_LIST& input, float& inte );
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friend SEXPR_LIST& operator>> ( SEXPR_LIST& input, double& inte );
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friend SEXPR_LIST& operator>> ( SEXPR_LIST& input, const _IN_STRING is );
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private:
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int m_inStreamChild;
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size_t doScan( const SEXPR_SCAN_ARG *args, size_t num_args );
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void doAddChildren( const SEXPR_CHILDREN_ARG *args, size_t num_args );
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};
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}
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#endif
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