initialize repository of design pattern template

2025-08-09 08:41:14 +08:00
commit 1727e31b9d
32 changed files with 2149 additions and 0 deletions
--- a/src/state.cpp
+++ b/src/state.cpp
@@ -0,0 +1,140 @@
+#include "state.hpp"
+
+void SolidState::behavior(Water* p_water) const
+{
+	cout << "<EFBFBD><EFBFBD>ǰ״̬Ϊ<EFBFBD><EFBFBD>̬<EFBFBD><EFBFBD><EFBFBD>¶<EFBFBD>Ϊ" << p_water->getTemperature() << "<EFBFBD><EFBFBD>" << endl;
+}
+
+bool SolidState::isMatch(int stateInfo) const
+{
+	return stateInfo <= 0;
+}
+
+void Liquidtate::behavior(Water* p_water) const
+{
+	cout << "<EFBFBD><EFBFBD>ǰ״̬ΪҺ̬<EFBFBD><EFBFBD><EFBFBD>¶<EFBFBD>Ϊ" << p_water->getTemperature() << "<EFBFBD><EFBFBD>" << endl;
+}
+
+bool Liquidtate::isMatch(int stateInfo) const
+{
+	return stateInfo > 0 && stateInfo < 100;
+}
+
+void GaseousState::behavior(Water* p_water) const
+{
+	cout << "<EFBFBD><EFBFBD>ǰ״̬Ϊ<EFBFBD><EFBFBD>̬<EFBFBD><EFBFBD><EFBFBD>¶<EFBFBD>Ϊ" << p_water->getTemperature() << "<EFBFBD><EFBFBD>" << endl;
+}
+
+bool GaseousState::isMatch(int stateInfo) const
+{
+	return stateInfo >= 100;
+}
+
+Water::Water()
+{
+	addState(new SolidState("<EFBFBD><EFBFBD>̬"));
+	addState(new Liquidtate("Һ̬"));
+	addState(new GaseousState("<EFBFBD><EFBFBD>̬"));
+
+	setTemperature(25);
+}
+
+int Water::getTemperature()
+{
+	return getStateInfo();
+}
+
+void Water::setTemperature(int temperature)
+{
+	setStateInfo(temperature);
+}
+
+void Water::riseTemperature(int step)
+{
+	setTemperature(getTemperature() + step);
+}
+
+void Water::reduceTemperature(int step)
+{
+	setTemperature(getTemperature() - step);
+}
+
+void Water::behavior()
+{
+	State* p_state = getState();
+	p_state->behavior(this);
+}
+
+string State::getName()
+{
+	return m_name;
+}
+
+Context::Context()
+{
+	m_stateInfo = 0;
+	p_curState = nullptr;
+}
+
+Context::~Context()
+{
+	vector<State*>::iterator iter = p_states.begin();
+	for (; iter != p_states.end(); iter++)
+	{
+		delete (*iter);          // <20>ͷ<EFBFBD><CDB7>ڴ<EFBFBD>
+	}
+	p_states.clear();
+}
+
+void Context::addState(State* state)
+{
+	vector<State*>::iterator iter = find(p_states.begin(), p_states.end(), state);
+	if (iter == p_states.end())
+	{
+		p_states.push_back(state);
+	}
+}
+
+bool Context::changeState(State* state)
+{
+	vector<State*>::iterator iter = find(p_states.begin(), p_states.end(), state);
+	if (iter == p_states.end())
+	{
+		return false;
+	}
+
+	if (p_curState == nullptr)
+	{
+		cout << "<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>Ϊ " << state->getName() << endl;
+	}
+	else
+	{
+		cout << "<EFBFBD><EFBFBD> " << p_curState->getName() << " <20><>Ϊ " << state->getName() << endl;
+	}
+	p_curState = state;
+	return true;
+}
+
+State* Context::getState()
+{
+	return p_curState;
+}
+
+void Context::setStateInfo(int stateInfo)
+{
+	m_stateInfo = stateInfo;
+	for (vector<State*>::iterator iter = p_states.begin(); iter != p_states.end(); iter++)
+	{
+		if ((*iter)->isMatch(stateInfo))
+		{
+			changeState((*iter));
+			break;
+		}
+	}
+
+}
+
+int Context::getStateInfo()
+{
+	return m_stateInfo;
+}