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51 changes: 51 additions & 0 deletions exercise/01/animal.cpp
Original file line number Diff line number Diff line change
@@ -0,0 +1,51 @@
#include "animal.h"

std::unique_ptr<animal> animal_factory(const anuanimal_enum id)
{
switch (id)
{
case anuanimal_enum::cockroach_id: return std::make_unique<cockroach>();
case anuanimal_enum::sparrow_id: return std::make_unique<sparrow>();
case anuanimal_enum::tarantula_id: return std::make_unique<tarantula>();
}
return {};
}

animal_base::animal_base(unsigned int legs, const std::wstring& species) :
legs_(legs),
species_(species)
{
}

std::wstring animal_base::species() const
{
return species_;
}

unsigned animal_base::legs() const
{
return legs_;
}

spider::spider(const std::wstring& species) :
animal_base(8, species)
{}

insect::insect(const std::wstring& species) :
animal_base(6, species)
{}

bird::bird(const std::wstring& species) :
animal_base(2, species)
{}

tarantula::tarantula() :
spider(L"tarantula")
{}

cockroach::cockroach() :
insect(L"cockroach")
{}

sparrow::sparrow() : bird(L"sparrow")
{}
72 changes: 72 additions & 0 deletions exercise/01/animal.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,72 @@
#pragma once
#include <string>
#include <memory>

enum class anuanimal_enum
{
cockroach_id = 1,
sparrow_id = 2,
tarantula_id = 3
};

class animal
{
public:
virtual std::wstring species() const = 0;
virtual unsigned int legs() const = 0;
virtual ~animal() = default;
};

std::unique_ptr<animal> animal_factory(anuanimal_enum id);

class animal_base : public animal
{
public:
animal_base(unsigned int legs, const std::wstring& species);

std::wstring species() const override;
unsigned int legs() const override;

private:
unsigned int legs_;
std::wstring species_;
};

class spider : public animal_base
{
public:
spider(const std::wstring& species);
};

class insect : public animal_base
{
public:
insect(const std::wstring& species);
};

class bird : public animal_base
{
public:
bird(const std::wstring& species);
};

class tarantula : public spider
{
public:
static const anuanimal_enum id = anuanimal_enum::tarantula_id;
tarantula();
};

class cockroach : public insect
{
public:
static const anuanimal_enum id = anuanimal_enum::cockroach_id;
cockroach();
};

class sparrow : public bird
{
public:
static const anuanimal_enum id = anuanimal_enum::sparrow_id;
sparrow();
};
25 changes: 25 additions & 0 deletions exercise/01/animals.sln
Original file line number Diff line number Diff line change
@@ -0,0 +1,25 @@

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190 changes: 96 additions & 94 deletions exercise/01/animals.vcxproj
Original file line number Diff line number Diff line change
@@ -1,95 +1,97 @@
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52 changes: 29 additions & 23 deletions exercise/01/animals.vcxproj.filters
Original file line number Diff line number Diff line change
@@ -1,24 +1,30 @@
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