1 files changed, 51 insertions, 0 deletions
diff --git a/include/Dependency.hpp b/include/Dependency.hpp
index b97c362..7c8bbf1 100644
--- a/include/Dependency.hpp
+++ b/include/Dependency.hpp
@@ -2,15 +2,66 @@
 #define SIBS_DEPENDENCY_HPP
 
 #include <string>
+#include <cassert>
 
 namespace sibs
 {
+    class PackageListDependency;
+    class GitDependency;
+    
     class Dependency
     {
     public:
+        enum class Source
+        {
+            PACKAGE_LIST,
+            GIT
+        };
+        
+        virtual ~Dependency(){}
+        
+        virtual Source getSource() const = 0;
+        
+        const PackageListDependency* asPackageListDependency() const
+        {
+            assert(getSource() == Source::PACKAGE_LIST);
+            return (PackageListDependency*)this;
+        }
+        
+        const GitDependency* asGitDependency() const
+        {
+            assert(getSource() == Source::GIT);
+            return (GitDependency*)this;
+        }
+    };
+    
+    class PackageListDependency : public Dependency
+    {
+    public:
+        virtual ~PackageListDependency(){}
+        virtual Source getSource() const
+        {
+            return Source::PACKAGE_LIST;
+        }
+        
         std::string name;
         std::string version;
     };
+    
+    class GitDependency : public Dependency
+    {
+    public:
+        virtual ~GitDependency(){}
+        virtual Source getSource() const
+        {
+            return Source::GIT;
+        }
+        
+        std::string name;
+        std::string url;
+        std::string branch;
+        std::string revision;
+    };
 }
 
 #endif //SIBS_DEPENDENCY_HPP