Remove cacheing code. Make faster.

Signed-off-by: Arjo Chakravarty <arjoc@google.com>

include/sdf/SDFImpl.hh

@@ -166,9 +166,8 @@ namespace sdf
   class SDFORMAT_VISIBLE SDF
   {
     public: SDF();
-    public: SDF(const SDF& other);//Copy constructor
     /// \brief Destructor
-    public: virtual ~SDF();
+    public: ~SDF();
     public: void PrintDescription();
     public: void PrintDescription(sdf::Errors &_errors);
     public: void PrintDoc();

src/Root.cc

@@ -213,19 +213,12 @@ Errors Root::LoadSdfString(const std::string &_sdf)
   return this->LoadSdfString(_sdf, ParserConfig::GlobalConfig());
 }
 
-static SDFPtr cachedRoot;
-static bool cacheActive = false;
-
 /////////////////////////////////////////////////
 Errors Root::LoadSdfString(const std::string &_sdf, const ParserConfig &_config)
 {
   Errors errors;
-  if (!cacheActive) {
-    cacheActive = true;
-    cachedRoot = std::make_shared<SDF>();
-    init(cachedRoot);
-  }
-  SDFPtr sdfParsed = std::make_shared<SDF>(*cachedRoot);
+  SDFPtr sdfParsed(new SDF());
+  init(sdfParsed);
 
   // Read an SDF string, and store the result in sdfParsed.
   if (!readString(_sdf, _config, sdfParsed, errors))
@@ -650,4 +643,4 @@ sdf::ElementPtr Root::ToElement(const OutputConfig &_config) const
   }
 
   return elem;
-}
+}

src/SDF.cc

@@ -220,10 +220,7 @@ SDF::SDF()
   : dataPtr(new SDFPrivate)
 {
 }
-SDF::SDF(const SDF& other)
-{
-  this->dataPtr = std::make_unique<SDFPrivate>(*other.dataPtr);
-}
+
 /////////////////////////////////////////////////
 SDF::~SDF()
 {

src/SDFImplPrivate.hh

@@ -36,13 +36,6 @@ namespace sdf
     {
     }
 
-    public: SDFPrivate(const SDFPrivate& other)
-    {
-      this->path = other.path;
-      this->originalVersion = other.originalVersion;
-      this->root = other.root->Clone();
-    }
-
     /// \brief Store the root element.
     /// \sa ElementPtr Root()
     /// \sa void Root(const ElementPtr _root)