Add clear() method to project reader

Author: adazem009

src/internal/iprojectreader.h

@@ -19,6 +19,7 @@ class LIBSCRATCHCPP_EXPORT IProjectReader
 
         virtual bool load() = 0;
         virtual bool isValid() = 0;
+        virtual void clear() = 0;
         virtual std::vector<std::shared_ptr<Target>> targets() = 0;
         virtual std::vector<std::shared_ptr<Broadcast>> broadcasts() = 0;
         virtual std::vector<std::string> extensions() = 0;

src/internal/scratch3reader.cpp

@@ -257,6 +257,14 @@ bool Scratch3Reader::isValid()
     return (semver.substr(0, semver.find(".")) == "3");
 }
 
+void Scratch3Reader::clear()
+{
+    m_json = "";
+    m_targets.clear();
+    m_broadcasts.clear();
+    m_extensions.clear();
+}
+
 std::vector<std::shared_ptr<Target>> Scratch3Reader::targets()
 {
     return m_targets;

src/internal/scratch3reader.h

@@ -14,6 +14,7 @@ class LIBSCRATCHCPP_EXPORT Scratch3Reader : public IProjectReader
     public:
         bool load() override;
         bool isValid() override;
+        void clear() override;
         std::vector<std::shared_ptr<Target>> targets() override;
         std::vector<std::shared_ptr<Broadcast>> broadcasts() override;
         std::vector<std::string> extensions() override;