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PATCH: fix coding style of 'sexpr' code in kicad2step

 

The attached patch:

(a) changes to sexpr code format to comply with KiCad style rules
(b) changes 'enum' to 'enum class' in sexpr code for more rigorous
compiler checking

- Cirilo
From ebb6ad6aae0ec0628d988f3e7dc2f8606521b033 Mon Sep 17 00:00:00 2001
From: Cirilo Bernardo <cirilo.bernardo@xxxxxxxxx>
Date: Thu, 2 Feb 2017 11:20:36 +1100
Subject: [PATCH 1/2] Changed sexpr code formatting to comply with KiCad style

---
 utils/kicad2step/sexpr/isexprable.h      |   3 +-
 utils/kicad2step/sexpr/sexpr.cpp         | 266 ++++++++---------
 utils/kicad2step/sexpr/sexpr.h           | 475 +++++++++++++++++--------------
 utils/kicad2step/sexpr/sexpr_exception.h |   5 +-
 utils/kicad2step/sexpr/sexpr_parser.cpp  | 110 ++++---
 utils/kicad2step/sexpr/sexpr_parser.h    |  10 +-
 6 files changed, 464 insertions(+), 405 deletions(-)

diff --git a/utils/kicad2step/sexpr/isexprable.h b/utils/kicad2step/sexpr/isexprable.h
index a31591b1e..e448c169a 100644
--- a/utils/kicad2step/sexpr/isexprable.h
+++ b/utils/kicad2step/sexpr/isexprable.h
@@ -1,6 +1,5 @@
 /*
  * Copyright (C) 2016 Mark Roszko <mark.roszko@xxxxxxxxx>
- * Copyright (C) 2016 QiEDA Developers
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -31,7 +30,7 @@ namespace SEXPR
     public:
         virtual ~ISEXPRABLE() {}
         virtual SEXPR* SerializeSEXPR() const { return nullptr; }
-        virtual void DeserializeSEXPR(SEXPR& sexp) {}
+        virtual void DeserializeSEXPR( SEXPR& sexp ) {}
     };
 }
 
diff --git a/utils/kicad2step/sexpr/sexpr.cpp b/utils/kicad2step/sexpr/sexpr.cpp
index 2ae4b7b3f..a1c7f30cb 100644
--- a/utils/kicad2step/sexpr/sexpr.cpp
+++ b/utils/kicad2step/sexpr/sexpr.cpp
@@ -1,6 +1,5 @@
 /*
  * Copyright (C) 2016 Mark Roszko <mark.roszko@xxxxxxxxx>
- * Copyright (C) 2016 QiEDA Developers
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -25,94 +24,94 @@
 
 namespace SEXPR
 {
-    SEXPR::SEXPR(SEXPR_TYPE type, size_t lineNumber) :
-        m_type(type), m_lineNumber(lineNumber)
+    SEXPR::SEXPR( SEXPR_TYPE aType, size_t aLineNumber ) :
+        m_type( aType ), m_lineNumber( aLineNumber )
     {
     }
 
-    SEXPR::SEXPR(SEXPR_TYPE type) :
-        m_type(type), m_lineNumber(1)
+    SEXPR::SEXPR(SEXPR_TYPE aType) :
+        m_type( aType ), m_lineNumber( 1 )
     {
     }
 
     SEXPR_VECTOR const * SEXPR::GetChildren() const
     {
-        if (m_type != SEXPR_TYPE_LIST)
+        if( m_type != SEXPR_TYPE_LIST )
         {
             throw INVALID_TYPE_EXCEPTION("SEXPR is not a list type!");
         }
 
-        return &static_cast<SEXPR_LIST const *>(this)->m_children;
+        return &static_cast< SEXPR_LIST const * >(this)->m_children;
     }
     
-    SEXPR* SEXPR::GetChild(size_t idx) const 
+    SEXPR* SEXPR::GetChild( size_t aIndex ) const
     {
-        if (m_type != SEXPR_TYPE_LIST)
+        if( m_type != SEXPR_TYPE_LIST )
         {
             throw INVALID_TYPE_EXCEPTION("SEXPR is not a list type!");
         }
 
-        return static_cast<SEXPR_LIST const *>(this)->m_children[idx];
+        return static_cast< SEXPR_LIST const * >(this)->m_children[aIndex];
     }
 
-    void SEXPR::AddChild(SEXPR* child)
+    void SEXPR::AddChild( SEXPR* aChild )
     {
-        if (m_type != SEXPR_TYPE_LIST)
+        if( m_type != SEXPR_TYPE_LIST )
         {
             throw INVALID_TYPE_EXCEPTION("SEXPR is not a list type!");
         }
 
-        SEXPR_LIST* list = static_cast<SEXPR_LIST *>(this);
+        SEXPR_LIST* list = static_cast< SEXPR_LIST * >( this );
 
-        list->m_children.push_back(child);
+        list->m_children.push_back( aChild );
     }
 
     size_t SEXPR::GetNumberOfChildren() const
     {
-        if (m_type != SEXPR_TYPE_LIST)
+        if( m_type != SEXPR_TYPE_LIST )
         {
             throw INVALID_TYPE_EXCEPTION("SEXPR is not a list type!");
         }
 
-        return static_cast<SEXPR_LIST const *>(this)->m_children.size();
+        return static_cast< SEXPR_LIST const * >(this)->m_children.size();
     }
 
     std::string const & SEXPR::GetString() const
     {
-        if (m_type != SEXPR_TYPE_ATOM_STRING)
+        if( m_type != SEXPR_TYPE_ATOM_STRING )
         {
             throw INVALID_TYPE_EXCEPTION("SEXPR is not a string type!");
         }
 
-        return static_cast<SEXPR_STRING const *>(this)->m_value;
+        return static_cast< SEXPR_STRING const * >(this)->m_value;
     }
 
     int32_t SEXPR::GetInteger() const
     {
-        return static_cast<int>(GetLongInteger());
+        return static_cast< int >( GetLongInteger() );
     }
 
     int64_t SEXPR::GetLongInteger() const
     {
-        if (m_type != SEXPR_TYPE_ATOM_INTEGER)
+        if( m_type != SEXPR_TYPE_ATOM_INTEGER )
         {
             throw INVALID_TYPE_EXCEPTION("SEXPR is not a integer type!");
         }
 
-        return static_cast<SEXPR_INTEGER const *>(this)->m_value;
+        return static_cast< SEXPR_INTEGER const * >(this)->m_value;
     }
 
     double SEXPR::GetDouble() const
     {
         // we may end up parsing "intended" floats/doubles as ints
         // so here we allow silent casting back to doubles
-        if (m_type == SEXPR_TYPE_ATOM_DOUBLE )
+        if( m_type == SEXPR_TYPE_ATOM_DOUBLE )
         {
-            return static_cast<SEXPR_DOUBLE const *>(this)->m_value;
+            return static_cast< SEXPR_DOUBLE const * >(this)->m_value;
         }
         else if( m_type == SEXPR_TYPE_ATOM_INTEGER )
         {
-            return static_cast<SEXPR_INTEGER const *>(this)->m_value;
+            return static_cast< SEXPR_INTEGER const * >(this)->m_value;
         }
         else
         {
@@ -122,76 +121,78 @@ namespace SEXPR
 
     float SEXPR::GetFloat() const
     {
-        return static_cast<float>(GetDouble());
+        return static_cast< float >( GetDouble() );
     }
 
     std::string const & SEXPR::GetSymbol() const
     {
-        if (m_type != SEXPR_TYPE_ATOM_SYMBOL)
+        if( m_type != SEXPR_TYPE_ATOM_SYMBOL )
         {
             throw INVALID_TYPE_EXCEPTION("SEXPR is not a symbol type!");
         }
 
-        return static_cast<SEXPR_SYMBOL const *>(this)->m_value;
+        return static_cast< SEXPR_SYMBOL const * >(this)->m_value;
     }
 
 
     SEXPR_LIST* SEXPR::GetList()
     {
-        if (m_type != SEXPR_TYPE_LIST)
+        if( m_type != SEXPR_TYPE_LIST )
         {
             throw INVALID_TYPE_EXCEPTION("SEXPR is not a list type!");
         }
 
-        return static_cast<SEXPR_LIST*>(this);
+        return static_cast< SEXPR_LIST* >(this);
     }
 
-    std::string SEXPR::AsString(size_t level)
+    std::string SEXPR::AsString( size_t aLevel )
     {
         std::string result;
 
-        if (IsList())
+        if( IsList() )
         {
-            if (level != 0)
+            if( aLevel != 0 )
             {
                 result = "\n";
             }
-            result.append(level * 4, ' ');
-            level++;
+
+            result.append( aLevel* 4, ' ' );
+            aLevel++;
             result += "(";
 
             SEXPR_VECTOR const* list = GetChildren();
 
-            for (std::vector<SEXPR *>::const_iterator it = list->begin(); it != list->end(); ++it)
+            for( std::vector<SEXPR *>::const_iterator it = list->begin(); it != list->end(); ++it )
             {
-                result += (*it)->AsString(level);
-                if (it != list->end()-1)
+                result += (*it)->AsString( aLevel );
+
+                if( it != list->end() - 1 )
                 {
                     result += " ";
                 }
             }
             result += ")";
 
-            level--;
+            aLevel--;
         }
-        else if (IsString())
+        else if( IsString() )
         {
             result += "\"" + GetString() + "\"";
         }
-        else if (IsSymbol())
+        else if( IsSymbol() )
         {
             result += GetSymbol();
         }
-        else if (IsInteger())
+        else if( IsInteger() )
         {
             std::stringstream out;
             out << GetInteger();
             result += out.str();
         }
-        else if (IsDouble())
+        else if( IsDouble() )
         {
             std::stringstream out;
-            out << std::setprecision(16) << GetDouble();
+            out << std::setprecision( 16 ) << GetDouble();
             result += out.str();
         }
 
@@ -200,7 +201,7 @@ namespace SEXPR
 
     SEXPR_LIST::~SEXPR_LIST()
     {
-        for (auto child : m_children)
+        for( auto child : m_children )
         {
             delete child;
         }
@@ -208,109 +209,114 @@ namespace SEXPR
         m_children.clear();
     }
     
-    SEXPR_LIST& operator<< (SEXPR_LIST& list, const ISEXPRABLE& obj)
+    SEXPR_LIST& operator<< ( SEXPR_LIST& list, const ISEXPRABLE& obj )
     {
         SEXPR* sobj = obj.SerializeSEXPR();
-        list.AddChild(sobj);
+        list.AddChild( sobj );
         
         return list;
     }
 
-    SEXPR_LIST& operator<< (SEXPR_LIST& list, int64_t value)
+    SEXPR_LIST& operator<< ( SEXPR_LIST& list, int64_t value )
     {
-        list.AddChild(new SEXPR_INTEGER(value));
+        list.AddChild( new SEXPR_INTEGER( value ) );
         return list;
     }
 
-    SEXPR_LIST& operator<< (SEXPR_LIST& list, int32_t value)
+    SEXPR_LIST& operator<< ( SEXPR_LIST& list, int32_t value )
     {
-        list.AddChild(new SEXPR_INTEGER(value));
+        list.AddChild( new SEXPR_INTEGER( value ) );
         return list;
     }
 
-    SEXPR_LIST& operator<< (SEXPR_LIST& list, float value)
+    SEXPR_LIST& operator<< ( SEXPR_LIST& list, float value )
     {
-        list.AddChild(new SEXPR_DOUBLE(value));
+        list.AddChild( new SEXPR_DOUBLE( value ) );
         return list;
     }
 
-    SEXPR_LIST& operator<< (SEXPR_LIST& list, double value)
+    SEXPR_LIST& operator<< ( SEXPR_LIST& list, double value )
     {
-        list.AddChild(new SEXPR_DOUBLE(value));
+        list.AddChild( new SEXPR_DOUBLE( value ) );
         return list;
     }
 
-    SEXPR_LIST& operator<< (SEXPR_LIST& list, std::string value)
+    SEXPR_LIST& operator<< ( SEXPR_LIST& list, std::string value )
     {
-        list.AddChild(new SEXPR_STRING(value));
+        list.AddChild( new SEXPR_STRING( value ) );
         return list;
     }
 
-    SEXPR_LIST& operator<< (SEXPR_LIST& list, SEXPR* obj)
+    SEXPR_LIST& operator<< ( SEXPR_LIST& list, SEXPR* obj )
     {
-        list.AddChild(obj);
+        list.AddChild( obj );
         return list;
     }
     
-    SEXPR_LIST& operator<< (SEXPR_LIST& list, const _OUT_STRING setting)
+    SEXPR_LIST& operator<< ( SEXPR_LIST& list, const _OUT_STRING setting )
     {
         SEXPR *res;
-        if (setting._Symbol)
+
+        if( setting._Symbol )
         {
-            res = new SEXPR_SYMBOL(setting._String);
+            res = new SEXPR_SYMBOL( setting._String );
         }
         else
         {
-            res = new SEXPR_STRING(setting._String);
+            res = new SEXPR_STRING( setting._String );
         }
-        list.AddChild(res);
+
+        list.AddChild( res );
 
         return list;
     }
 
-    SEXPR_LIST& operator>> (SEXPR_LIST& input, ISEXPRABLE& obj)
+    SEXPR_LIST& operator>> ( SEXPR_LIST& input, ISEXPRABLE& obj )
     {
-        obj.DeserializeSEXPR(input);
+        obj.DeserializeSEXPR( input );
 
         return input;
     }
 
-    SEXPR_LIST& operator>> (SEXPR_LIST& input, int32_t& inte)
+    SEXPR_LIST& operator>> ( SEXPR_LIST& input, int32_t& inte )
     {
-        SEXPR* child = input.GetChild(input.m_inStreamChild);
-        if (child->IsInteger())
+        SEXPR* child = input.GetChild( input.m_inStreamChild );
+
+        if( child->IsInteger() )
         {
             inte = child->GetInteger();
             input.m_inStreamChild++;
         }
         else
         {
-            throw std::invalid_argument("SEXPR is not a integer type!");
+            throw std::invalid_argument( "SEXPR is not a integer type!" );
         }
 
         return input;
     }
 
-    SEXPR_LIST& operator>> (SEXPR_LIST& input, std::string& str)
+    SEXPR_LIST& operator>> ( SEXPR_LIST& input, std::string& str )
     {
-        SEXPR* child = input.GetChild(input.m_inStreamChild);
-        if (child->IsString() || child->IsSymbol())
+        SEXPR* child = input.GetChild( input.m_inStreamChild );
+
+        if( child->IsString() || child->IsSymbol() )
         {
             str = child->GetString();
             input.m_inStreamChild++;
         }
         else
         {
-            throw std::invalid_argument("SEXPR is not a string type!");
+            throw std::invalid_argument( "SEXPR is not a string type!" );
         }
 
         return input;
     }
 
-    SEXPR_LIST& operator>> (SEXPR_LIST& input, int64_t& lint)
+    SEXPR_LIST& operator>> ( SEXPR_LIST& input, int64_t& lint )
     {
-        SEXPR* child = input.GetChild(input.m_inStreamChild);
-        if (child->IsInteger())
+        SEXPR* child = input.GetChild( input.m_inStreamChild );
+
+        if( child->IsInteger() )
         {
             lint = child->GetLongInteger();
             input.m_inStreamChild++;
@@ -323,112 +329,115 @@ namespace SEXPR
         return input;
     }
 
-    SEXPR_LIST& operator>> (SEXPR_LIST& input, float& fl)
+    SEXPR_LIST& operator>> ( SEXPR_LIST& input, float& fl )
     {
-        SEXPR* child = input.GetChild(input.m_inStreamChild);
-        if (child->IsDouble())
+        SEXPR* child = input.GetChild( input.m_inStreamChild );
+        if( child->IsDouble() )
         {
             fl = child->GetFloat();
             input.m_inStreamChild++;
         }
         else
         {
-            throw std::invalid_argument("SEXPR is not a float type!");
+            throw std::invalid_argument( "SEXPR is not a float type!" );
         }
 
         return input;
     }
 
-    SEXPR_LIST& operator>> (SEXPR_LIST& input, double& dbl)
+    SEXPR_LIST& operator>> ( SEXPR_LIST& input, double& dbl )
     {
-        SEXPR* child = input.GetChild(input.m_inStreamChild);
-        if (child->IsDouble())
+        SEXPR* child = input.GetChild( input.m_inStreamChild );
+
+        if( child->IsDouble() )
         {
             dbl = child->GetDouble();
             input.m_inStreamChild++;
         }
         else
         {
-            throw std::invalid_argument("SEXPR is not a double type!");
+            throw std::invalid_argument( "SEXPR is not a double type!" );
         }
 
         return input;
     }
 
-    SEXPR_LIST& operator>> (SEXPR_LIST& input, const _IN_STRING is)
+    SEXPR_LIST& operator>> ( SEXPR_LIST& input, const _IN_STRING is )
     {
-        SEXPR* child = input.GetChild(input.m_inStreamChild);
-        if (is._Symbol)
+        SEXPR* child = input.GetChild( input.m_inStreamChild );
+
+        if( is._Symbol )
         {
-            if (child->IsSymbol())
+            if( child->IsSymbol() )
             {
                 is._String = child->GetSymbol();
                 input.m_inStreamChild++;
             }
             else
             {
-                throw std::invalid_argument("SEXPR is not a symbol type!");
+                throw std::invalid_argument( "SEXPR is not a symbol type!" );
             }
         }
         else
         {
-            if (child->IsString())
+            if( child->IsString() )
             {
                 is._String = child->GetString();
                 input.m_inStreamChild++;
             }
             else
             {
-                throw std::invalid_argument("SEXPR is not a string type!");
+                throw std::invalid_argument( "SEXPR is not a string type!" );
             }
         }
 
         return input;
     }
 
-    SEXPR_LIST& operator<< (SEXPR_LIST& list, SEXPR_LIST* list2)
+    SEXPR_LIST& operator<< ( SEXPR_LIST& list, SEXPR_LIST* list2 )
     {
-        list.AddChild(list2);
+        list.AddChild( list2 );
 
         return list;
     }
 
-	size_t SEXPR_LIST::doScan(const SEXPR_SCAN_ARG *args, size_t num_args)
+	size_t SEXPR_LIST::doScan( const SEXPR_SCAN_ARG *args, size_t num_args )
 	{
 		size_t i = 0;
-		for (i = 0; i < num_args; i++)
+
+		for( i = 0; i < num_args; i++ )
 		{
-			SEXPR* child = GetChild(i);
+			SEXPR* child = GetChild( i );
 			const SEXPR_SCAN_ARG& arg = args[i];
 
 			try
 			{
-				if (arg.type == SEXPR_SCAN_ARG::Type::DOUBLE)
+				if( arg.type == SEXPR_SCAN_ARG::Type::DOUBLE )
 				{
 					*arg.u.dbl_value = child->GetDouble();
 				}
-				else if (arg.type == SEXPR_SCAN_ARG::Type::INT)
+				else if( arg.type == SEXPR_SCAN_ARG::Type::INT )
 				{
 					*arg.u.dbl_value = child->GetInteger();
 				}
-				else if (arg.type == SEXPR_SCAN_ARG::Type::STRING)
+				else if( arg.type == SEXPR_SCAN_ARG::Type::STRING )
 				{
-					if (child->IsSymbol())
+					if( child->IsSymbol() )
 					{
 						*arg.u.str_value = child->GetSymbol();
 					}
-					else if (child->IsString())
+					else if( child->IsString() )
 					{
 						*arg.u.str_value = child->GetString();
 					}
 				}
-				else if (arg.type == SEXPR_SCAN_ARG::Type::LONGINT)
+				else if( arg.type == SEXPR_SCAN_ARG::Type::LONGINT )
 				{
 					*arg.u.lint_value = child->GetLongInteger();
 				}
-				else if (arg.type == SEXPR_SCAN_ARG::Type::SEXPR_STRING)
+				else if( arg.type == SEXPR_SCAN_ARG::Type::SEXPR_STRING )
 				{
-					if (arg.u.sexpr_str->_Symbol)
+					if( arg.u.sexpr_str->_Symbol )
 					{
 						arg.u.sexpr_str->_String = child->GetSymbol();
 					}
@@ -438,18 +447,18 @@ namespace SEXPR
 					}
 
 				}
-				else if (arg.type == SEXPR_SCAN_ARG::Type::STRING_COMP)
+				else if( arg.type == SEXPR_SCAN_ARG::Type::STRING_COMP )
 				{
-					if (child->IsSymbol())
+					if( child->IsSymbol() )
 					{
-						if (child->GetSymbol() != arg.str_value)
+						if( child->GetSymbol() != arg.str_value )
 						{
 							return i;
 						}
 					}
-					else if (child->IsString())
+					else if( child->IsString() )
 					{
-						if (child->GetString() != arg.str_value)
+						if( child->GetString() != arg.str_value )
 						{
 							return i;
 						}
@@ -457,10 +466,10 @@ namespace SEXPR
 				}
 				else
 				{
-					throw std::invalid_argument("unsupported argument type, this shouldn't have happened");
+					throw std::invalid_argument( "unsupported argument type, this shouldn't have happened" );
 				}
 			}
-			catch (INVALID_TYPE_EXCEPTION)
+			catch( INVALID_TYPE_EXCEPTION )
 			{
 				return i;
 			}
@@ -469,47 +478,48 @@ namespace SEXPR
 		return i;
 	}
 
-	void SEXPR_LIST::doAddChildren(const SEXPR_CHILDREN_ARG *args, size_t num_args)
+	void SEXPR_LIST::doAddChildren( const SEXPR_CHILDREN_ARG *args, size_t num_args )
 	{
 		size_t i = 0;
-		for (i = 0; i < num_args; i++)
+
+		for( i = 0; i < num_args; i++ )
 		{
 			const SEXPR_CHILDREN_ARG& arg = args[i];
 
-			if (arg.type == SEXPR_CHILDREN_ARG::Type::DOUBLE)
+			if( arg.type == SEXPR_CHILDREN_ARG::Type::DOUBLE )
 			{
-				AddChild(new SEXPR_DOUBLE(arg.u.dbl_value));
+				AddChild( new SEXPR_DOUBLE( arg.u.dbl_value ) );
 			}
-			else if (arg.type == SEXPR_CHILDREN_ARG::Type::INT)
+			else if( arg.type == SEXPR_CHILDREN_ARG::Type::INT )
 			{
-				AddChild(new SEXPR_INTEGER(arg.u.int_value));
+				AddChild( new SEXPR_INTEGER( arg.u.int_value ) );
 			}
-			else if (arg.type == SEXPR_CHILDREN_ARG::Type::LONGINT)
+			else if( arg.type == SEXPR_CHILDREN_ARG::Type::LONGINT )
 			{
-				AddChild(new SEXPR_INTEGER(arg.u.lint_value));
+				AddChild( new SEXPR_INTEGER( arg.u.lint_value ) );
 			}
-			else if (arg.type == SEXPR_CHILDREN_ARG::Type::STRING)
+			else if( arg.type == SEXPR_CHILDREN_ARG::Type::STRING )
 			{
-				AddChild(new SEXPR_STRING(arg.str_value));
+				AddChild( new SEXPR_STRING( arg.str_value ) );
 			}
-			else if (arg.type == SEXPR_CHILDREN_ARG::Type::SEXPR_ATOM)
+			else if( arg.type == SEXPR_CHILDREN_ARG::Type::SEXPR_ATOM )
 			{
-				AddChild(arg.u.sexpr_ptr);
+				AddChild( arg.u.sexpr_ptr );
 			}
-			else if (arg.type == SEXPR_CHILDREN_ARG::Type::SEXPR_STRING)
+			else if( arg.type == SEXPR_CHILDREN_ARG::Type::SEXPR_STRING )
 			{
-				if (arg.u.symbol)
+				if( arg.u.symbol )
 				{
-					AddChild(new SEXPR_SYMBOL(arg.str_value));
+					AddChild( new SEXPR_SYMBOL( arg.str_value ) );
 				}
 				else
 				{
-					AddChild(new SEXPR_STRING(arg.str_value));
+					AddChild( new SEXPR_STRING( arg.str_value ) );
 				}
 			}
 			else
 			{
-				throw std::invalid_argument("unexpected argument type, this shouldn't have happened");
+				throw std::invalid_argument( "unexpected argument type, this shouldn't have happened" );
 			}
 		}
 	}
diff --git a/utils/kicad2step/sexpr/sexpr.h b/utils/kicad2step/sexpr/sexpr.h
index 82ad326b1..d07c8d397 100644
--- a/utils/kicad2step/sexpr/sexpr.h
+++ b/utils/kicad2step/sexpr/sexpr.h
@@ -1,6 +1,5 @@
 /*
  * Copyright (C) 2016 Mark Roszko <mark.roszko@xxxxxxxxx>
- * Copyright (C) 2016 QiEDA Developers
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -28,216 +27,270 @@
 
 namespace SEXPR
 {
-	using std::int32_t;
-	using std::int64_t;
-
-	enum SEXPR_TYPE
-	{
-		SEXPR_TYPE_LIST,
-		SEXPR_TYPE_ATOM_INTEGER,
-		SEXPR_TYPE_ATOM_DOUBLE,
-		SEXPR_TYPE_ATOM_STRING,
-		SEXPR_TYPE_ATOM_SYMBOL,
-	};
-
-	typedef std::vector<class SEXPR *> SEXPR_VECTOR;
-
-	class SEXPR
-	{
-	protected:
-		SEXPR_TYPE m_type;
-		SEXPR(SEXPR_TYPE type, size_t lineNumber);
-		SEXPR(SEXPR_TYPE type);
-		size_t m_lineNumber;
-
-	public:
-		virtual ~SEXPR() {};
-		bool IsList() const { return m_type == SEXPR_TYPE_LIST; }
-		bool IsSymbol() const { return m_type == SEXPR_TYPE_ATOM_SYMBOL; }
-		bool IsString() const { return m_type == SEXPR_TYPE_ATOM_STRING; }
-		bool IsDouble() const { return m_type == SEXPR_TYPE_ATOM_DOUBLE; }
-		bool IsInteger() const { return m_type == SEXPR_TYPE_ATOM_INTEGER; }
-		void AddChild(SEXPR* child);
-		SEXPR_VECTOR const * GetChildren() const;
-		SEXPR * GetChild(size_t idx) const;
-		size_t GetNumberOfChildren() const;
-		int64_t GetLongInteger() const;
-		int32_t GetInteger() const;
-		float GetFloat() const;
-		double GetDouble() const;
-		std::string const & GetString() const;
-		std::string const & GetSymbol() const;
-		SEXPR_LIST* GetList();
-		std::string AsString(size_t level = 0);
-		size_t GetLineNumber() { return m_lineNumber; }
-	};
-
-	struct SEXPR_INTEGER : public SEXPR
-	{
-		int64_t m_value;
-		SEXPR_INTEGER(int64_t value) : SEXPR(SEXPR_TYPE_ATOM_INTEGER), m_value(value) {};
-		SEXPR_INTEGER(int64_t value, int lineNumber) : SEXPR(SEXPR_TYPE_ATOM_INTEGER, lineNumber), m_value(value) {};
-	};
-
-	struct SEXPR_DOUBLE : public SEXPR
-	{
-		double m_value;
-		SEXPR_DOUBLE(double value) : SEXPR(SEXPR_TYPE_ATOM_DOUBLE), m_value(value) {};
-		SEXPR_DOUBLE(double value, int lineNumber) : SEXPR(SEXPR_TYPE_ATOM_DOUBLE, lineNumber), m_value(value) {};
-	};
-
-	struct SEXPR_STRING : public SEXPR
-	{
-		std::string m_value;
-		SEXPR_STRING(std::string value) : SEXPR(SEXPR_TYPE_ATOM_STRING), m_value(value) {};
-		SEXPR_STRING(std::string value, int lineNumber) : SEXPR(SEXPR_TYPE_ATOM_STRING, lineNumber), m_value(value) {};
-	};
-
-	struct SEXPR_SYMBOL : public SEXPR
-	{
-		std::string m_value;
-		SEXPR_SYMBOL(std::string value) : SEXPR(SEXPR_TYPE_ATOM_SYMBOL), m_value(value) {};
-		SEXPR_SYMBOL(std::string value, int lineNumber) : SEXPR(SEXPR_TYPE_ATOM_SYMBOL, lineNumber), m_value(value) {};
-	};
-
-	struct _OUT_STRING
-	{
-		bool _Symbol;
-		const std::string& _String;
-	};
-
-	inline _OUT_STRING AsSymbol(const std::string& str)
-	{
-		struct _OUT_STRING ret = { true, str };
-		return ret;
-	}
-
-	inline _OUT_STRING AsString(const std::string& str)
-	{
-		struct _OUT_STRING ret = { false, str };
-		return ret;
-	}
-
-	struct _IN_STRING
-	{
-		bool _Symbol;
-		std::string& _String;
-
-	};
-
-	inline _IN_STRING AsSymbol(std::string& str)
-	{
-		struct _IN_STRING ret = { true, str };
-		return ret;
-	}
-
-	inline _IN_STRING AsString(std::string& str)
-	{
-		struct _IN_STRING ret = { false, str };
-		return ret;
-	}
-
-	class SEXPR_SCAN_ARG {
-		friend class SEXPR_LIST;
-	public:
-		SEXPR_SCAN_ARG(int32_t* value) : type(INT) { u.int_value = value; }
-		SEXPR_SCAN_ARG(int64_t* value) : type(LONGINT) { u.lint_value = value; }
-		SEXPR_SCAN_ARG(double* value) : type(DOUBLE) { u.dbl_value = value; }
-		SEXPR_SCAN_ARG(std::string* value) : type(STRING) { u.str_value = value; }
-		SEXPR_SCAN_ARG(_IN_STRING& value) : type(SEXPR_STRING) { u.sexpr_str = &value; }
-		SEXPR_SCAN_ARG(const std::string* value) : type(STRING_COMP) { str_value = *value; }
-		SEXPR_SCAN_ARG(std::string value) : type(STRING_COMP) { str_value = value; }
-		SEXPR_SCAN_ARG(const char* value) : type(STRING_COMP) { str_value = value; }
-
-	private:
-		enum Type { INT, DOUBLE, STRING, LONGINT, STRING_COMP, SEXPR_STRING};
-		Type type;
-		union {
-			int64_t* lint_value;
-			int32_t* int_value;
-			double* dbl_value;
-			std::string* str_value;
-			_IN_STRING* sexpr_str;
-		} u;
-
-		std::string str_value;
-	};
-
-	class SEXPR_CHILDREN_ARG {
-		friend class SEXPR_LIST;
-	public:
-		SEXPR_CHILDREN_ARG(int32_t value) : type(INT) { u.int_value = value; }
-		SEXPR_CHILDREN_ARG(int64_t value) : type(LONGINT) { u.lint_value = value; }
-		SEXPR_CHILDREN_ARG(double value) : type(DOUBLE) { u.dbl_value = value; }
-		SEXPR_CHILDREN_ARG(std::string value) : type(STRING) { str_value = value; }
-		SEXPR_CHILDREN_ARG(const char* value) : type(STRING) { str_value = value; }
-		SEXPR_CHILDREN_ARG(const _OUT_STRING& value) : type(SEXPR_STRING) { str_value = value._String; u.symbol = value._Symbol; }
-		SEXPR_CHILDREN_ARG(SEXPR* ptr) : type(SEXPR_ATOM) { u.sexpr_ptr = ptr; }
-
-	private:
-		enum Type { INT, DOUBLE, STRING, LONGINT, SEXPR_STRING, SEXPR_ATOM };
-		Type type;
-		union {
-			int64_t lint_value;
-			int32_t int_value;
-			double dbl_value;
-			SEXPR* sexpr_ptr;
-			bool symbol;
-		} u;
-		std::string str_value;
-	};
-
-	class SEXPR_LIST : public SEXPR
-	{
-	public:
-		SEXPR_LIST() : SEXPR(SEXPR_TYPE_LIST), m_inStreamChild(0) {};
-		SEXPR_LIST(int lineNumber) : SEXPR(SEXPR_TYPE_LIST, lineNumber), m_inStreamChild(0) {};
-
-		template <typename... Args>
-		SEXPR_LIST(const Args&... args) : SEXPR(SEXPR_TYPE_LIST), m_inStreamChild(0) 
-		{
-			AddChildren(args...);
-		};
-
-		SEXPR_VECTOR m_children;
-
-		template <typename... Args>
-		size_t Scan(const Args&... args)
-		{
-			SEXPR_SCAN_ARG arg_array[] = { args... };
-			return doScan(arg_array, sizeof...(Args));
-		}
-
-		template <typename... Args>
-		void AddChildren(const Args&... args)
-		{
-			SEXPR_CHILDREN_ARG arg_array[] = { args... };
-			doAddChildren(arg_array, sizeof...(Args));
-		}
-
-		virtual ~SEXPR_LIST();
-
-		friend SEXPR_LIST& operator<< (SEXPR_LIST& list, double value);
-		friend SEXPR_LIST& operator<< (SEXPR_LIST& list, float value);
-		friend SEXPR_LIST& operator<< (SEXPR_LIST& list, int64_t value);
-		friend SEXPR_LIST& operator<< (SEXPR_LIST& list, int32_t value);
-		friend SEXPR_LIST& operator<< (SEXPR_LIST& list, std::string value);
-		friend SEXPR_LIST& operator<< (SEXPR_LIST& list, const _OUT_STRING setting);
-		friend SEXPR_LIST& operator<< (SEXPR_LIST& list, const ISEXPRABLE& obj);
-		friend SEXPR_LIST& operator<< (SEXPR_LIST& list, SEXPR_LIST* list2);
-		friend SEXPR_LIST& operator<< (SEXPR_LIST& list, SEXPR* obj);
-		friend SEXPR_LIST& operator>> (SEXPR_LIST& input, ISEXPRABLE& obj);
-		friend SEXPR_LIST& operator>> (SEXPR_LIST& input, std::string& str);
-		friend SEXPR_LIST& operator>> (SEXPR_LIST& input, int32_t& inte);
-		friend SEXPR_LIST& operator>> (SEXPR_LIST& input, int64_t& inte);
-		friend SEXPR_LIST& operator>> (SEXPR_LIST& input, float& inte);
-		friend SEXPR_LIST& operator>> (SEXPR_LIST& input, double& inte);
-		friend SEXPR_LIST& operator>> (SEXPR_LIST& input, const _IN_STRING is);
-	private:
-		int m_inStreamChild;
-		size_t doScan(const SEXPR_SCAN_ARG *args, size_t num_args);
-		void doAddChildren(const SEXPR_CHILDREN_ARG *args, size_t num_args);
-	};
+    using std::int32_t;
+    using std::int64_t;
+
+    enum SEXPR_TYPE
+    {
+        SEXPR_TYPE_LIST,
+        SEXPR_TYPE_ATOM_INTEGER,
+        SEXPR_TYPE_ATOM_DOUBLE,
+        SEXPR_TYPE_ATOM_STRING,
+        SEXPR_TYPE_ATOM_SYMBOL,
+    };
+
+    typedef std::vector< class SEXPR * > SEXPR_VECTOR;
+
+    class SEXPR
+    {
+    protected:
+        SEXPR_TYPE m_type;
+        SEXPR( SEXPR_TYPE aType, size_t aLineNumber );
+        SEXPR( SEXPR_TYPE aType );
+        size_t m_lineNumber;
+
+    public:
+        virtual ~SEXPR() {};
+        bool IsList() const { return m_type == SEXPR_TYPE_LIST; }
+        bool IsSymbol() const { return m_type == SEXPR_TYPE_ATOM_SYMBOL; }
+        bool IsString() const { return m_type == SEXPR_TYPE_ATOM_STRING; }
+        bool IsDouble() const { return m_type == SEXPR_TYPE_ATOM_DOUBLE; }
+        bool IsInteger() const { return m_type == SEXPR_TYPE_ATOM_INTEGER; }
+        void AddChild( SEXPR* aChild );
+        SEXPR_VECTOR const * GetChildren() const;
+        SEXPR * GetChild( size_t aIndex ) const;
+        size_t GetNumberOfChildren() const;
+        int64_t GetLongInteger() const;
+        int32_t GetInteger() const;
+        float GetFloat() const;
+        double GetDouble() const;
+        std::string const & GetString() const;
+        std::string const & GetSymbol() const;
+        SEXPR_LIST* GetList();
+        std::string AsString( size_t aLevel = 0);
+        size_t GetLineNumber() { return m_lineNumber; }
+    };
+
+    struct SEXPR_INTEGER : public SEXPR
+    {
+        int64_t m_value;
+
+        SEXPR_INTEGER( int64_t aValue ) :
+            SEXPR( SEXPR_TYPE_ATOM_INTEGER ), m_value( aValue ) {};
+
+        SEXPR_INTEGER( int64_t aValue, int aLineNumber ) :
+            SEXPR( SEXPR_TYPE_ATOM_INTEGER, aLineNumber ), m_value( aValue ) {};
+    };
+
+    struct SEXPR_DOUBLE : public SEXPR
+    {
+        double m_value;
+
+        SEXPR_DOUBLE( double aValue ) :
+            SEXPR( SEXPR_TYPE_ATOM_DOUBLE ), m_value( aValue ) {};
+
+        SEXPR_DOUBLE( double aValue, int aLineNumber ) :
+            SEXPR( SEXPR_TYPE_ATOM_DOUBLE, aLineNumber ), m_value( aValue ) {};
+    };
+
+    struct SEXPR_STRING : public SEXPR
+    {
+        std::string m_value;
+
+        SEXPR_STRING( std::string aValue ) :
+            SEXPR( SEXPR_TYPE_ATOM_STRING ), m_value(aValue) {};
+
+        SEXPR_STRING( std::string aValue, int aLineNumber ) :
+            SEXPR( SEXPR_TYPE_ATOM_STRING, aLineNumber ), m_value( aValue ) {};
+    };
+
+    struct SEXPR_SYMBOL : public SEXPR
+    {
+        std::string m_value;
+
+        SEXPR_SYMBOL( std::string aValue ) :
+            SEXPR( SEXPR_TYPE_ATOM_SYMBOL ), m_value( aValue ) {};
+
+        SEXPR_SYMBOL( std::string aValue, int aLineNumber ) :
+            SEXPR( SEXPR_TYPE_ATOM_SYMBOL, aLineNumber ), m_value( aValue ) {};
+    };
+
+    struct _OUT_STRING
+    {
+        bool _Symbol;
+        const std::string& _String;
+    };
+
+    inline _OUT_STRING AsSymbol( const std::string& aString )
+    {
+        struct _OUT_STRING ret = { true, aString };
+        return ret;
+    }
+
+    inline _OUT_STRING AsString( const std::string& aString )
+    {
+        struct _OUT_STRING ret = { false, aString };
+        return ret;
+    }
+
+    struct _IN_STRING
+    {
+        bool _Symbol;
+        std::string& _String;
+    };
+
+    inline _IN_STRING AsSymbol( std::string& aString )
+    {
+        struct _IN_STRING ret = { true, aString };
+        return ret;
+    }
+
+    inline _IN_STRING AsString( std::string& aString )
+    {
+        struct _IN_STRING ret = { false, aString };
+        return ret;
+    }
+
+    class SEXPR_SCAN_ARG
+    {
+        friend class SEXPR_LIST;
+
+    public:
+        SEXPR_SCAN_ARG( int32_t* aValue ) :
+            type( INT ) { u.int_value = aValue; }
+
+        SEXPR_SCAN_ARG( int64_t* aValue ) :
+            type( LONGINT ) { u.lint_value = aValue; }
+
+        SEXPR_SCAN_ARG( double* aValue ) :
+            type( DOUBLE ) { u.dbl_value = aValue; }
+
+        SEXPR_SCAN_ARG( std::string* aValue ) :
+            type( STRING ) { u.str_value = aValue; }
+
+        SEXPR_SCAN_ARG( _IN_STRING& aValue ) :
+            type( SEXPR_STRING ) { u.sexpr_str = &aValue; }
+
+        SEXPR_SCAN_ARG( const std::string* aValue ) :
+            type( STRING_COMP ) { str_value = *aValue; }
+
+        SEXPR_SCAN_ARG( std::string aValue ) :
+            type( STRING_COMP ) { str_value = aValue; }
+
+        SEXPR_SCAN_ARG( const char* aValue ) :
+            type( STRING_COMP ) { str_value = aValue; }
+
+    private:
+        enum Type { INT, DOUBLE, STRING, LONGINT, STRING_COMP, SEXPR_STRING };
+        Type type;
+
+        union
+        {
+            int64_t* lint_value;
+            int32_t* int_value;
+            double* dbl_value;
+            std::string* str_value;
+            _IN_STRING* sexpr_str;
+        } u;
+
+        std::string str_value;
+    };
+
+    class SEXPR_CHILDREN_ARG
+    {
+        friend class SEXPR_LIST;
+
+    public:
+        SEXPR_CHILDREN_ARG( int32_t aValue ) :
+            type( INT ) { u.int_value = aValue; }
+
+        SEXPR_CHILDREN_ARG( int64_t aValue ) :
+            type( LONGINT ) { u.lint_value = aValue; }
+        SEXPR_CHILDREN_ARG( double aValue ) :
+            type( DOUBLE ) { u.dbl_value = aValue; }
+
+        SEXPR_CHILDREN_ARG( std::string aValue ) :
+            type( STRING ) { str_value = aValue; }
+
+        SEXPR_CHILDREN_ARG( const char* aValue ) :
+            type( STRING ) { str_value = aValue; }
+
+        SEXPR_CHILDREN_ARG( const _OUT_STRING& aValue ) :
+            type( SEXPR_STRING ) { str_value = aValue._String; u.symbol = aValue._Symbol; }
+
+        SEXPR_CHILDREN_ARG( SEXPR* aPointer ) :
+            type( SEXPR_ATOM ) { u.sexpr_ptr = aPointer; }
+
+    private:
+        enum Type { INT, DOUBLE, STRING, LONGINT, SEXPR_STRING, SEXPR_ATOM };
+        Type type;
+
+        union
+        {
+            int64_t lint_value;
+            int32_t int_value;
+            double dbl_value;
+            SEXPR* sexpr_ptr;
+            bool symbol;
+        } u;
+
+        std::string str_value;
+    };
+
+    class SEXPR_LIST : public SEXPR
+    {
+    public:
+        SEXPR_LIST() : SEXPR( SEXPR_TYPE_LIST ), m_inStreamChild( 0 ) {};
+
+        SEXPR_LIST( int aLineNumber ) :
+            SEXPR( SEXPR_TYPE_LIST, aLineNumber), m_inStreamChild( 0 ) {};
+
+        template <typename... Args>
+        SEXPR_LIST( const Args&... args ) : SEXPR( SEXPR_TYPE_LIST ), m_inStreamChild( 0 )
+        {
+            AddChildren(args...);
+        };
+
+        SEXPR_VECTOR m_children;
+
+        template <typename... Args>
+        size_t Scan( const Args&... args )
+        {
+            SEXPR_SCAN_ARG arg_array[] = { args... };
+            return doScan( arg_array, sizeof...( Args ) );
+        }
+
+        template <typename... Args>
+        void AddChildren( const Args&... args )
+        {
+            SEXPR_CHILDREN_ARG arg_array[] = { args... };
+            doAddChildren( arg_array, sizeof...( Args ) );
+        }
+
+        virtual ~SEXPR_LIST();
+
+        friend SEXPR_LIST& operator<< ( SEXPR_LIST& list, double value );
+        friend SEXPR_LIST& operator<< ( SEXPR_LIST& list, float value );
+        friend SEXPR_LIST& operator<< ( SEXPR_LIST& list, int64_t value );
+        friend SEXPR_LIST& operator<< ( SEXPR_LIST& list, int32_t value );
+        friend SEXPR_LIST& operator<< ( SEXPR_LIST& list, std::string value );
+        friend SEXPR_LIST& operator<< ( SEXPR_LIST& list, const _OUT_STRING setting );
+        friend SEXPR_LIST& operator<< ( SEXPR_LIST& list, const ISEXPRABLE& obj );
+        friend SEXPR_LIST& operator<< ( SEXPR_LIST& list, SEXPR_LIST* list2 );
+        friend SEXPR_LIST& operator<< ( SEXPR_LIST& list, SEXPR* obj );
+        friend SEXPR_LIST& operator>> ( SEXPR_LIST& input, ISEXPRABLE& obj );
+        friend SEXPR_LIST& operator>> ( SEXPR_LIST& input, std::string& str );
+        friend SEXPR_LIST& operator>> ( SEXPR_LIST& input, int32_t& inte );
+        friend SEXPR_LIST& operator>> ( SEXPR_LIST& input, int64_t& inte );
+        friend SEXPR_LIST& operator>> ( SEXPR_LIST& input, float& inte );
+        friend SEXPR_LIST& operator>> ( SEXPR_LIST& input, double& inte );
+        friend SEXPR_LIST& operator>> ( SEXPR_LIST& input, const _IN_STRING is );
+
+    private:
+        int m_inStreamChild;
+        size_t doScan( const SEXPR_SCAN_ARG *args, size_t num_args );
+        void doAddChildren( const SEXPR_CHILDREN_ARG *args, size_t num_args );
+    };
 }
 
 #endif
diff --git a/utils/kicad2step/sexpr/sexpr_exception.h b/utils/kicad2step/sexpr/sexpr_exception.h
index dc0351d38..4d2992f4d 100644
--- a/utils/kicad2step/sexpr/sexpr_exception.h
+++ b/utils/kicad2step/sexpr/sexpr_exception.h
@@ -1,6 +1,5 @@
 /*
  * Copyright (C) 2016 Mark Roszko <mark.roszko@xxxxxxxxx>
- * Copyright (C) 2016 QiEDA Developers
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -27,7 +26,7 @@ namespace SEXPR
     class PARSE_EXCEPTION : public std::exception
     {
     public:
-        PARSE_EXCEPTION(const std::string m) :msg(m) {}
+        PARSE_EXCEPTION( const std::string aMessage ) : msg( aMessage ) {}
         const char* what() { return msg.c_str(); }
         virtual ~PARSE_EXCEPTION() throw() {}
     private:
@@ -37,7 +36,7 @@ namespace SEXPR
 	class INVALID_TYPE_EXCEPTION : public std::exception
 	{
 	public:
-		INVALID_TYPE_EXCEPTION(const std::string m) :msg(m) {}
+		INVALID_TYPE_EXCEPTION( const std::string aMessage ) : msg( aMessage ) {}
 		const char* what() { return msg.c_str(); }
 		virtual ~INVALID_TYPE_EXCEPTION() throw() {}
 	private:
diff --git a/utils/kicad2step/sexpr/sexpr_parser.cpp b/utils/kicad2step/sexpr/sexpr_parser.cpp
index 5641e3c6b..431cdb9ec 100644
--- a/utils/kicad2step/sexpr/sexpr_parser.cpp
+++ b/utils/kicad2step/sexpr/sexpr_parser.cpp
@@ -1,6 +1,5 @@
 /*
  * Copyright (C) 2016 Mark Roszko <mark.roszko@xxxxxxxxx>
- * Copyright (C) 2016 QiEDA Developers
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -30,7 +29,7 @@ namespace SEXPR
 {
     const std::string PARSER::whitespaceCharacters = " \t\n\r\b\f\v";
 
-    PARSER::PARSER() : m_lineNumber(1)
+    PARSER::PARSER() : m_lineNumber( 1 )
     {
     }
 
@@ -38,98 +37,94 @@ namespace SEXPR
     {
     }
 
-    SEXPR* PARSER::Parse(const std::string &aString) 
+    SEXPR* PARSER::Parse( const std::string &aString )
     {
         std::string::const_iterator it = aString.begin();
-        return parseString(aString, it);
+        return parseString( aString, it );
     }
 
-    SEXPR* PARSER::ParseFromFile(const std::string &aFileName)
+    SEXPR* PARSER::ParseFromFile( const std::string &aFileName )
     {
-        std::string str = GetFileContents(aFileName);
+        std::string str = GetFileContents( aFileName );
 
         std::string::const_iterator it = str.begin();
-        return parseString(str, it);
+        return parseString( str, it );
     }
 
-    std::string PARSER::GetFileContents(const std::string &aFileName)
+    std::string PARSER::GetFileContents( const std::string &aFileName )
     {
-        std::ifstream file(aFileName.c_str(), std::ios::binary);
+        std::ifstream file( aFileName.c_str(), std::ios::binary );
         std::string str;
 
         // Faster than automatic allocation
-        file.seekg(0, std::ios::end);
-
+        file.seekg( 0, std::ios::end );
         auto length = file.tellg();
-        if (length < 0)
+
+        if( length < 0 )
         {
-            throw PARSE_EXCEPTION("Error occurred attempting to read in file");
+            throw PARSE_EXCEPTION( "Error occurred attempting to read in file" );
         }
 
-        str.resize(static_cast<size_t>(length));
-        file.seekg(0, std::ios::beg);
+        str.resize( static_cast<size_t>( length ) );
+        file.seekg( 0, std::ios::beg );
 
-        file.read(&str[0], str.length());
+        file.read( &str[0], str.length() );
 
         return str;
     }
 
-    SEXPR* PARSER::parseString(const std::string& aString, std::string::const_iterator& it)
+    SEXPR* PARSER::parseString( const std::string& aString, std::string::const_iterator& it )
     {
         std::string::const_iterator eit = aString.end();
-        for (; it != aString.end(); ++it)
+
+        for( ; it != aString.end(); ++it )
         {
-            if (*it == '\n')
-            {
+            if( *it == '\n' )
                 m_lineNumber++;
-            }
 
-            if (whitespaceCharacters.find(*it) != std::string::npos)
+            if( whitespaceCharacters.find(*it) != std::string::npos )
                 continue;
 
-            if (*it == '(')
+            if( *it == '(' )
             {
-                std::advance(it, 1);
+                std::advance( it, 1 );
 
-                SEXPR_LIST* list = new SEXPR_LIST(m_lineNumber);
-                while (it != aString.end() && *it != ')')
+                SEXPR_LIST* list = new SEXPR_LIST( m_lineNumber );
+                while( it != aString.end() && *it != ')' )
                 {
                     //there may be newlines in between atoms of a list, so detect these here
-                   if (*it == '\n')
-                    {
+                    if( *it == '\n' )
                         m_lineNumber++;
-                    }
 
-                    if (whitespaceCharacters.find(*it) != std::string::npos)
+                    if( whitespaceCharacters.find(*it) != std::string::npos )
                     {
-                        std::advance(it, 1);
+                        std::advance( it, 1 );
                         continue;
                     }
 
-                    SEXPR* item = parseString(aString, it);
-                    list->AddChild(item);
+                    SEXPR* item = parseString( aString, it );
+                    list->AddChild( item );
                 }
 
-                if (it != aString.end())
-                {
-                    std::advance(it, 1);
-                }
+                if( it != aString.end() )
+                    std::advance( it, 1 );
 
                 return list;
             }
-            else if (*it == ')')
+            else if( *it == ')' )
             {
                 return NULL;
             }
-            else if (*it == '"')
+            else if( *it == '"' )
             {
                 size_t startPos = std::distance(aString.begin(), it) + 1;
                 size_t closingPos = aString.find_first_of('"', startPos);
 
-                if (closingPos != std::string::npos)
+                if( closingPos != std::string::npos )
                 {
-                    SEXPR_STRING* str = new SEXPR_STRING(aString.substr(startPos, closingPos - startPos),m_lineNumber);
-                    std::advance(it, closingPos - startPos + 2);
+                    SEXPR_STRING* str = new SEXPR_STRING(
+                        aString.substr( startPos, closingPos - startPos ),m_lineNumber );
+                    std::advance( it, closingPos - startPos + 2 );
 
                     return str;
                 }
@@ -140,42 +135,45 @@ namespace SEXPR
             }
             else
             {
-                size_t startPos = std::distance(aString.begin(), it);
-                size_t closingPos = aString.find_first_of(whitespaceCharacters+"()", startPos);
+                size_t startPos = std::distance( aString.begin(), it );
+                size_t closingPos = aString.find_first_of( whitespaceCharacters + "()", startPos );
 
-                std::string tmp = aString.substr(startPos, closingPos - startPos);
+                std::string tmp = aString.substr( startPos, closingPos - startPos );
 
 
-                if (closingPos != std::string::npos)
+                if( closingPos != std::string::npos )
                 {
-                    if (tmp.find_first_not_of("0123456789.") == std::string::npos ||
-                        (tmp.size() > 1 && tmp[0] == '-' && tmp.find_first_not_of("0123456789.",1) == std::string::npos)
-                        )
+                    if( tmp.find_first_not_of( "0123456789." ) == std::string::npos ||
+                        ( tmp.size() > 1 && tmp[0] == '-'
+                          && tmp.find_first_not_of( "0123456789.", 1 ) == std::string::npos ) )
                     {
                         SEXPR* res;
-                        if (tmp.find('.') != std::string::npos)
+
+                        if( tmp.find( '.' ) != std::string::npos )
                         {
-                            res = new SEXPR_DOUBLE(strtod(tmp.c_str(), NULL), m_lineNumber);
+                            res = new SEXPR_DOUBLE( strtod( tmp.c_str(), NULL ), m_lineNumber );
                             //floating point type
                         }
                         else
                         {
-                            res = new SEXPR_INTEGER(strtoll(tmp.c_str(), NULL, 0), m_lineNumber);
+                            res = new SEXPR_INTEGER(
+                                strtoll( tmp.c_str(), NULL, 0 ), m_lineNumber );
                         }
-                        std::advance(it, closingPos - startPos);
+
+                        std::advance( it, closingPos - startPos );
                         return res;
                     }
                     else
                     {
-                        SEXPR_SYMBOL* str = new SEXPR_SYMBOL(tmp, m_lineNumber);
-                        std::advance(it, closingPos - startPos);
+                        SEXPR_SYMBOL* str = new SEXPR_SYMBOL( tmp, m_lineNumber );
+                        std::advance( it, closingPos - startPos );
 
                         return str;
                     }
                 }
                 else
                 {
-                    throw PARSE_EXCEPTION("format error");
+                    throw PARSE_EXCEPTION( "format error" );
                 }
             }
         }
diff --git a/utils/kicad2step/sexpr/sexpr_parser.h b/utils/kicad2step/sexpr/sexpr_parser.h
index 2d4be3252..8781810a4 100644
--- a/utils/kicad2step/sexpr/sexpr_parser.h
+++ b/utils/kicad2step/sexpr/sexpr_parser.h
@@ -1,6 +1,5 @@
 /*
  * Copyright (C) 2016 Mark Roszko <mark.roszko@xxxxxxxxx>
- * Copyright (C) 2016 QiEDA Developers
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -31,11 +30,12 @@ namespace SEXPR
     public:
         PARSER();
         ~PARSER();
-        SEXPR* Parse(const std::string &aString);
-        SEXPR* ParseFromFile(const std::string &filename);
-        static std::string GetFileContents(const std::string &filename);
+        SEXPR* Parse( const std::string &aString );
+        SEXPR* ParseFromFile( const std::string &aFilename );
+        static std::string GetFileContents( const std::string &aFilename );
+
     private:
-        SEXPR* parseString(const std::string& aString, std::string::const_iterator& it);
+        SEXPR* parseString( const std::string& aString, std::string::const_iterator& it );
         static const std::string whitespaceCharacters;
         int m_lineNumber;
     };
-- 
2.11.0


From e2bc6b14d28ad65df9da649c33013d3eccc0323c Mon Sep 17 00:00:00 2001
From: Cirilo Bernardo <cirilo.bernardo@xxxxxxxxx>
Date: Thu, 2 Feb 2017 11:33:15 +1100
Subject: [PATCH 2/2] Change 'enum' to 'enum class' in sexpr code

---
 utils/kicad2step/sexpr/sexpr.cpp | 20 ++++++------
 utils/kicad2step/sexpr/sexpr.h   | 70 +++++++++++++++++++++-------------------
 2 files changed, 46 insertions(+), 44 deletions(-)

diff --git a/utils/kicad2step/sexpr/sexpr.cpp b/utils/kicad2step/sexpr/sexpr.cpp
index a1c7f30cb..8620ab7fa 100644
--- a/utils/kicad2step/sexpr/sexpr.cpp
+++ b/utils/kicad2step/sexpr/sexpr.cpp
@@ -36,7 +36,7 @@ namespace SEXPR
 
     SEXPR_VECTOR const * SEXPR::GetChildren() const
     {
-        if( m_type != SEXPR_TYPE_LIST )
+        if( m_type != SEXPR_TYPE::SEXPR_TYPE_LIST )
         {
             throw INVALID_TYPE_EXCEPTION("SEXPR is not a list type!");
         }
@@ -46,7 +46,7 @@ namespace SEXPR
     
     SEXPR* SEXPR::GetChild( size_t aIndex ) const
     {
-        if( m_type != SEXPR_TYPE_LIST )
+        if( m_type != SEXPR_TYPE::SEXPR_TYPE_LIST )
         {
             throw INVALID_TYPE_EXCEPTION("SEXPR is not a list type!");
         }
@@ -56,7 +56,7 @@ namespace SEXPR
 
     void SEXPR::AddChild( SEXPR* aChild )
     {
-        if( m_type != SEXPR_TYPE_LIST )
+        if( m_type != SEXPR_TYPE::SEXPR_TYPE_LIST )
         {
             throw INVALID_TYPE_EXCEPTION("SEXPR is not a list type!");
         }
@@ -68,7 +68,7 @@ namespace SEXPR
 
     size_t SEXPR::GetNumberOfChildren() const
     {
-        if( m_type != SEXPR_TYPE_LIST )
+        if( m_type != SEXPR_TYPE::SEXPR_TYPE_LIST )
         {
             throw INVALID_TYPE_EXCEPTION("SEXPR is not a list type!");
         }
@@ -78,7 +78,7 @@ namespace SEXPR
 
     std::string const & SEXPR::GetString() const
     {
-        if( m_type != SEXPR_TYPE_ATOM_STRING )
+        if( m_type != SEXPR_TYPE::SEXPR_TYPE_ATOM_STRING )
         {
             throw INVALID_TYPE_EXCEPTION("SEXPR is not a string type!");
         }
@@ -93,7 +93,7 @@ namespace SEXPR
 
     int64_t SEXPR::GetLongInteger() const
     {
-        if( m_type != SEXPR_TYPE_ATOM_INTEGER )
+        if( m_type != SEXPR_TYPE::SEXPR_TYPE_ATOM_INTEGER )
         {
             throw INVALID_TYPE_EXCEPTION("SEXPR is not a integer type!");
         }
@@ -105,11 +105,11 @@ namespace SEXPR
     {
         // we may end up parsing "intended" floats/doubles as ints
         // so here we allow silent casting back to doubles
-        if( m_type == SEXPR_TYPE_ATOM_DOUBLE )
+        if( m_type == SEXPR_TYPE::SEXPR_TYPE_ATOM_DOUBLE )
         {
             return static_cast< SEXPR_DOUBLE const * >(this)->m_value;
         }
-        else if( m_type == SEXPR_TYPE_ATOM_INTEGER )
+        else if( m_type == SEXPR_TYPE::SEXPR_TYPE_ATOM_INTEGER )
         {
             return static_cast< SEXPR_INTEGER const * >(this)->m_value;
         }
@@ -126,7 +126,7 @@ namespace SEXPR
 
     std::string const & SEXPR::GetSymbol() const
     {
-        if( m_type != SEXPR_TYPE_ATOM_SYMBOL )
+        if( m_type != SEXPR_TYPE::SEXPR_TYPE_ATOM_SYMBOL )
         {
             throw INVALID_TYPE_EXCEPTION("SEXPR is not a symbol type!");
         }
@@ -137,7 +137,7 @@ namespace SEXPR
 
     SEXPR_LIST* SEXPR::GetList()
     {
-        if( m_type != SEXPR_TYPE_LIST )
+        if( m_type != SEXPR_TYPE::SEXPR_TYPE_LIST )
         {
             throw INVALID_TYPE_EXCEPTION("SEXPR is not a list type!");
         }
diff --git a/utils/kicad2step/sexpr/sexpr.h b/utils/kicad2step/sexpr/sexpr.h
index d07c8d397..d8a2e0aa4 100644
--- a/utils/kicad2step/sexpr/sexpr.h
+++ b/utils/kicad2step/sexpr/sexpr.h
@@ -30,7 +30,7 @@ namespace SEXPR
     using std::int32_t;
     using std::int64_t;
 
-    enum SEXPR_TYPE
+    enum class SEXPR_TYPE : char
     {
         SEXPR_TYPE_LIST,
         SEXPR_TYPE_ATOM_INTEGER,
@@ -51,11 +51,11 @@ namespace SEXPR
 
     public:
         virtual ~SEXPR() {};
-        bool IsList() const { return m_type == SEXPR_TYPE_LIST; }
-        bool IsSymbol() const { return m_type == SEXPR_TYPE_ATOM_SYMBOL; }
-        bool IsString() const { return m_type == SEXPR_TYPE_ATOM_STRING; }
-        bool IsDouble() const { return m_type == SEXPR_TYPE_ATOM_DOUBLE; }
-        bool IsInteger() const { return m_type == SEXPR_TYPE_ATOM_INTEGER; }
+        bool IsList() const { return m_type == SEXPR_TYPE::SEXPR_TYPE_LIST; }
+        bool IsSymbol() const { return m_type == SEXPR_TYPE::SEXPR_TYPE_ATOM_SYMBOL; }
+        bool IsString() const { return m_type == SEXPR_TYPE::SEXPR_TYPE_ATOM_STRING; }
+        bool IsDouble() const { return m_type == SEXPR_TYPE::SEXPR_TYPE_ATOM_DOUBLE; }
+        bool IsInteger() const { return m_type == SEXPR_TYPE::SEXPR_TYPE_ATOM_INTEGER; }
         void AddChild( SEXPR* aChild );
         SEXPR_VECTOR const * GetChildren() const;
         SEXPR * GetChild( size_t aIndex ) const;
@@ -76,10 +76,10 @@ namespace SEXPR
         int64_t m_value;
 
         SEXPR_INTEGER( int64_t aValue ) :
-            SEXPR( SEXPR_TYPE_ATOM_INTEGER ), m_value( aValue ) {};
+            SEXPR( SEXPR_TYPE::SEXPR_TYPE_ATOM_INTEGER ), m_value( aValue ) {};
 
         SEXPR_INTEGER( int64_t aValue, int aLineNumber ) :
-            SEXPR( SEXPR_TYPE_ATOM_INTEGER, aLineNumber ), m_value( aValue ) {};
+            SEXPR( SEXPR_TYPE::SEXPR_TYPE_ATOM_INTEGER, aLineNumber ), m_value( aValue ) {};
     };
 
     struct SEXPR_DOUBLE : public SEXPR
@@ -87,10 +87,10 @@ namespace SEXPR
         double m_value;
 
         SEXPR_DOUBLE( double aValue ) :
-            SEXPR( SEXPR_TYPE_ATOM_DOUBLE ), m_value( aValue ) {};
+            SEXPR( SEXPR_TYPE::SEXPR_TYPE_ATOM_DOUBLE ), m_value( aValue ) {};
 
         SEXPR_DOUBLE( double aValue, int aLineNumber ) :
-            SEXPR( SEXPR_TYPE_ATOM_DOUBLE, aLineNumber ), m_value( aValue ) {};
+            SEXPR( SEXPR_TYPE::SEXPR_TYPE_ATOM_DOUBLE, aLineNumber ), m_value( aValue ) {};
     };
 
     struct SEXPR_STRING : public SEXPR
@@ -98,10 +98,10 @@ namespace SEXPR
         std::string m_value;
 
         SEXPR_STRING( std::string aValue ) :
-            SEXPR( SEXPR_TYPE_ATOM_STRING ), m_value(aValue) {};
+            SEXPR( SEXPR_TYPE::SEXPR_TYPE_ATOM_STRING ), m_value(aValue) {};
 
         SEXPR_STRING( std::string aValue, int aLineNumber ) :
-            SEXPR( SEXPR_TYPE_ATOM_STRING, aLineNumber ), m_value( aValue ) {};
+            SEXPR( SEXPR_TYPE::SEXPR_TYPE_ATOM_STRING, aLineNumber ), m_value( aValue ) {};
     };
 
     struct SEXPR_SYMBOL : public SEXPR
@@ -109,10 +109,10 @@ namespace SEXPR
         std::string m_value;
 
         SEXPR_SYMBOL( std::string aValue ) :
-            SEXPR( SEXPR_TYPE_ATOM_SYMBOL ), m_value( aValue ) {};
+            SEXPR( SEXPR_TYPE::SEXPR_TYPE_ATOM_SYMBOL ), m_value( aValue ) {};
 
         SEXPR_SYMBOL( std::string aValue, int aLineNumber ) :
-            SEXPR( SEXPR_TYPE_ATOM_SYMBOL, aLineNumber ), m_value( aValue ) {};
+            SEXPR( SEXPR_TYPE::SEXPR_TYPE_ATOM_SYMBOL, aLineNumber ), m_value( aValue ) {};
     };
 
     struct _OUT_STRING
@@ -157,31 +157,31 @@ namespace SEXPR
 
     public:
         SEXPR_SCAN_ARG( int32_t* aValue ) :
-            type( INT ) { u.int_value = aValue; }
+            type( Type::INT ) { u.int_value = aValue; }
 
         SEXPR_SCAN_ARG( int64_t* aValue ) :
-            type( LONGINT ) { u.lint_value = aValue; }
+            type( Type::LONGINT ) { u.lint_value = aValue; }
 
         SEXPR_SCAN_ARG( double* aValue ) :
-            type( DOUBLE ) { u.dbl_value = aValue; }
+            type( Type::DOUBLE ) { u.dbl_value = aValue; }
 
         SEXPR_SCAN_ARG( std::string* aValue ) :
-            type( STRING ) { u.str_value = aValue; }
+            type( Type::STRING ) { u.str_value = aValue; }
 
         SEXPR_SCAN_ARG( _IN_STRING& aValue ) :
-            type( SEXPR_STRING ) { u.sexpr_str = &aValue; }
+            type( Type::SEXPR_STRING ) { u.sexpr_str = &aValue; }
 
         SEXPR_SCAN_ARG( const std::string* aValue ) :
-            type( STRING_COMP ) { str_value = *aValue; }
+            type( Type::STRING_COMP ) { str_value = *aValue; }
 
         SEXPR_SCAN_ARG( std::string aValue ) :
-            type( STRING_COMP ) { str_value = aValue; }
+            type( Type::STRING_COMP ) { str_value = aValue; }
 
         SEXPR_SCAN_ARG( const char* aValue ) :
-            type( STRING_COMP ) { str_value = aValue; }
+            type( Type::STRING_COMP ) { str_value = aValue; }
 
     private:
-        enum Type { INT, DOUBLE, STRING, LONGINT, STRING_COMP, SEXPR_STRING };
+        enum class Type : char { INT, DOUBLE, STRING, LONGINT, STRING_COMP, SEXPR_STRING };
         Type type;
 
         union
@@ -202,27 +202,28 @@ namespace SEXPR
 
     public:
         SEXPR_CHILDREN_ARG( int32_t aValue ) :
-            type( INT ) { u.int_value = aValue; }
+            type( Type::INT ) { u.int_value = aValue; }
 
         SEXPR_CHILDREN_ARG( int64_t aValue ) :
-            type( LONGINT ) { u.lint_value = aValue; }
+            type( Type::LONGINT ) { u.lint_value = aValue; }
+
         SEXPR_CHILDREN_ARG( double aValue ) :
-            type( DOUBLE ) { u.dbl_value = aValue; }
+            type( Type::DOUBLE ) { u.dbl_value = aValue; }
 
         SEXPR_CHILDREN_ARG( std::string aValue ) :
-            type( STRING ) { str_value = aValue; }
+            type( Type::STRING ) { str_value = aValue; }
 
         SEXPR_CHILDREN_ARG( const char* aValue ) :
-            type( STRING ) { str_value = aValue; }
+            type( Type::STRING ) { str_value = aValue; }
 
         SEXPR_CHILDREN_ARG( const _OUT_STRING& aValue ) :
-            type( SEXPR_STRING ) { str_value = aValue._String; u.symbol = aValue._Symbol; }
+            type( Type::SEXPR_STRING ) { str_value = aValue._String; u.symbol = aValue._Symbol; }
 
         SEXPR_CHILDREN_ARG( SEXPR* aPointer ) :
-            type( SEXPR_ATOM ) { u.sexpr_ptr = aPointer; }
+            type( Type::SEXPR_ATOM ) { u.sexpr_ptr = aPointer; }
 
     private:
-        enum Type { INT, DOUBLE, STRING, LONGINT, SEXPR_STRING, SEXPR_ATOM };
+        enum class Type : char { INT, DOUBLE, STRING, LONGINT, SEXPR_STRING, SEXPR_ATOM };
         Type type;
 
         union
@@ -240,13 +241,14 @@ namespace SEXPR
     class SEXPR_LIST : public SEXPR
     {
     public:
-        SEXPR_LIST() : SEXPR( SEXPR_TYPE_LIST ), m_inStreamChild( 0 ) {};
+        SEXPR_LIST() : SEXPR( SEXPR_TYPE::SEXPR_TYPE_LIST ), m_inStreamChild( 0 ) {};
 
         SEXPR_LIST( int aLineNumber ) :
-            SEXPR( SEXPR_TYPE_LIST, aLineNumber), m_inStreamChild( 0 ) {};
+            SEXPR( SEXPR_TYPE::SEXPR_TYPE_LIST, aLineNumber), m_inStreamChild( 0 ) {};
 
         template <typename... Args>
-        SEXPR_LIST( const Args&... args ) : SEXPR( SEXPR_TYPE_LIST ), m_inStreamChild( 0 )
+        SEXPR_LIST( const Args&... args ) :
+            SEXPR( SEXPR_TYPE::SEXPR_TYPE_LIST ), m_inStreamChild( 0 )
         {
             AddChildren(args...);
         };
-- 
2.11.0


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