remove Convert pointer from PVField

Allow inline construction of Convert

pvDataApp/factory/Convert.cpp

@@ -43,13 +43,6 @@ static std::vector<String> split(String commaSeparatedList) {
     }
     return valueList;
 }
-    
-Convert::Convert()
-{}
-
-
-
-Convert::~Convert(){}
 
 void Convert::getString(StringBuilder buf,PVField const *pvField,int indentLevel)
 {

pvDataApp/factory/PVField.cpp

@@ -26,8 +26,7 @@ PVField::PVField(FieldConstPtr field)
 : notImplemented("not implemented"),
   parent(NULL),field(field),
   fieldOffset(0), nextFieldOffset(0),
-  immutable(false),
-  convert(getConvert())
+  immutable(false)
 {
 }
 
@@ -175,7 +174,7 @@ void PVField::setParentAndName(PVStructure * xxx,String const & name)
 
 bool PVField::equals(PVField &pv)
 {
-    return convert->equals(*this,pv);
+    return pv==*this;
 }
 
 void PVField::toString(StringBuilder buf)
@@ -185,7 +184,7 @@ void PVField::toString(StringBuilder buf)
 
 void PVField::toString(StringBuilder buf,int indentLevel) 
 {
-   convert->getString(buf,this,indentLevel);
+   Convert().getString(buf,this,indentLevel);
    if(pvAuxInfo.get()!=NULL) pvAuxInfo->toString(buf,indentLevel);
 }
 

pvDataApp/pv/convert.h

@@ -71,7 +71,6 @@ typedef std::tr1::shared_ptr<Convert> ConvertPtr;
 class Convert {
 public:
     static ConvertPtr getConvert();
-    ~Convert();
     /**
      * Get the full fieldName for the pvField.
      * @param builder The builder that will have the result.
@@ -817,8 +816,6 @@ public:
      * @param indentLevel Indent level, Each level is four spaces.
      */
     void newLine(StringBuilder buf, int indentLevel);
-private:
-    Convert();
 };
 
 static inline ConvertPtr getConvert() { return Convert::getConvert(); }

pvDataApp/pv/pvData.h

@@ -373,7 +373,6 @@ private:
     bool immutable;
     RequesterPtr requester;
     PostHandlerPtr postHandler;
-    std::tr1::shared_ptr<class Convert> convert;
     friend class PVDataCreate;
     friend class PVStructure;
 };