exercise done

exercise/01/animal.cpp

@@ -0,0 +1,65 @@
+#include "animal.h"
+unsigned insect::legs()
+{
+	return 6u;
+}
+
+unsigned bird::legs()
+{
+	return 2u;
+}
+
+unsigned spider::legs()
+{
+	return  8u;
+}
+
+std::wstring cockroach::species()
+{
+	return L"cockroach";
+}
+
+std::wstring sparrow::species()
+{
+	return L"sparrow";
+}
+
+std::wstring tarantula::species()
+{
+	return  L"tarantula";
+}
+
+unsigned leg_counter::legs()
+{
+	unsigned int sum=0;
+	std::list<animal*>::iterator itr = animals_.begin();
+	for (itr = animals_.begin(); itr != animals_.end(); ++itr)
+	{
+		sum += (*itr)->legs();
+	}
+	return sum;
+}
+
+std::wstring leg_counter::add_animal(animal* animal)
+{
+
+	animals_.push_back(animal);
+	return animal->species();
+}
+
+animal* animal_factory(int animal)
+{
+	switch (animal)
+	{
+	case animal_type::cockroach:
+		return new cockroach{};
+	case animal_type::tarantula:
+		return new tarantula{};
+	case animal_type::sparrow:
+		return new sparrow{};
+	}
+}
+
+
+
+

exercise/01/animal.h

@@ -0,0 +1,61 @@
+#pragma once
+#include <string>
+#include <list>
+
+class animal
+{
+public:
+	virtual std::wstring species() = 0;
+	virtual unsigned int legs() = 0;
+
+};
+
+class insect : public animal
+{
+	unsigned int legs() override;
+};
+
+class cockroach : public insect
+{
+	std::wstring species() override;
+};
+
+class bird : public animal
+{
+	unsigned int legs() override;
+};
+
+class sparrow : public  bird
+{
+	std::wstring species() override;
+};
+
+class spider : public animal
+{
+	unsigned int legs() override;
+};
+
+class  tarantula :public spider
+{
+	std::wstring species() override;
+};
+
+class leg_counter
+{
+	std::list<animal*> animals_;
+public:
+	std::wstring add_animal(animal * animal);
+	unsigned int legs();
+};
+
+namespace animal_type
+{
+	enum {
+		cockroach = 1,
+		sparrow,
+		tarantula
+	};
+}
+
+animal* animal_factory(int animal);
+

exercise/01/animals.vcxproj

@@ -82,13 +82,13 @@
       <AdditionalLibraryDirectories>$(VCInstallDir)UnitTest\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
   </ItemDefinitionGroup>
-  <ItemGroup>
-    <ClInclude Include="animal.h" />
-  </ItemGroup>
   <ItemGroup>
     <ClCompile Include="animal.cpp" />
     <ClCompile Include="test.cpp" />
   </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="animal.h" />
+  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>