feat(cmat): add cmake build for course material
Add a CMakeLists.txt to each exercise directory, included from cmat/CMakeLists.txt, so every exercise and solution becomes a buildable target. GUI exercises link the curses-based DOS_Unix implementations on Unix-like systems; the Windows-specific DOS variants are not compiled. Exercises without a portable path or with missing dependencies (Boost) are reported as not available at configure time. Targets are excluded from the default build and built by name, e.g. `cmake --build build --target Ex11`, so intentionally buggy exercises such as Ex21 do not break the default build. Also fix two portability issues: rename Ex11bug/pole.h to Pole.h for case-sensitive filesystems and drop the extra Light:: qualification in SolutionEx71A/Light.h. Document build commands and layout in AGENTS.md. Co-authored-by: Qwen 3.8 27B <qwen3.8_27b-q3_k_xl@lmstudio.local>
This commit is contained in:
Qwen 3.8 27B
@@ -0,0 +1,15 @@
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# SolutionEx71ABonus
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cmat_add_exercise(SolutionEx71ABonus
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GUI
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SOURCES
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ConsolePoleVisitor.cpp
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Light.cpp
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main.cpp
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Pelican.cpp
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Pole.cpp
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PowerVisitor.cpp
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Subject.cpp
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Timer.cpp
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TimerSet.cpp
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)
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@@ -0,0 +1,14 @@
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// ======================================================
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// ConsolePole.cpp
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// ======================================================
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#include "ConsolePoleVisitor.h"
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#include "Light.h"
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#include "Pole.h"
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#include "Screen.h"
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void ConsolePoleVisitor::update(const Hint &h) { MyPole.accept(*this); }
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ConsolePoleVisitor::ConsolePoleVisitor(Pole &p) : MyPole(p) { MyPole.accept(*this); }
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void ConsolePoleVisitor::visit(Light &l) { Screen::write(l.getString(), l.getX(), l.getY(), l.getColor()); }
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@@ -0,0 +1,23 @@
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// ======================================================
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// ConsolePole.h
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// ======================================================
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#ifndef CONSOLEPOLEVISITOR_H
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#define CONSOLEPOLEVISITOR_H
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#include "Observer.h"
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class Pole;
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#include "PoleVisitor.h"
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class ConsolePoleVisitor : public Observer, public PoleVisitor {
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public:
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ConsolePoleVisitor(Pole &);
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virtual void update(const Hint &);
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virtual void visit(Light &);
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private:
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Pole &MyPole;
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};
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#endif
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@@ -0,0 +1,20 @@
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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio 2013
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VisualStudioVersion = 12.0.31101.0
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Ex71", "Ex71.vcxproj", "{3D7880AE-E251-9B65-4D9A-70B4E2BCB93C}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Win32 = Debug|Win32
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Release|Win32 = Release|Win32
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{3D7880AE-E251-9B65-4D9A-70B4E2BCB93C}.Debug|Win32.ActiveCfg = Debug|Win32
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{3D7880AE-E251-9B65-4D9A-70B4E2BCB93C}.Debug|Win32.Build.0 = Debug|Win32
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{3D7880AE-E251-9B65-4D9A-70B4E2BCB93C}.Release|Win32.ActiveCfg = Release|Win32
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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EndGlobal
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@@ -0,0 +1,154 @@
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<?xml version="1.0" encoding="utf-8"?>
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<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ItemGroup Label="ProjectConfigurations">
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<ProjectConfiguration Include="Debug|Win32">
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<Configuration>Debug</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|Win32">
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<Configuration>Release</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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</ItemGroup>
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<PropertyGroup Label="Globals">
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<SccProjectName>
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</SccProjectName>
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<SccLocalPath>
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</SccLocalPath>
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<ProjectGuid>{3D7880AE-E251-9B65-4D9A-70B4E2BCB93C}</ProjectGuid>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseOfMfc>false</UseOfMfc>
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<CharacterSet>MultiByte</CharacterSet>
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<PlatformToolset>v140</PlatformToolset>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseOfMfc>false</UseOfMfc>
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<CharacterSet>MultiByte</CharacterSet>
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<PlatformToolset>v140</PlatformToolset>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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<ImportGroup Label="ExtensionSettings">
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</ImportGroup>
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<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="PropertySheets">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="PropertySheets">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<PropertyGroup Label="UserMacros" />
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<PropertyGroup>
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<_ProjectFileVersion>10.0.30319.1</_ProjectFileVersion>
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<OutDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">.\Release\</OutDir>
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<IntDir Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">.\Release\</IntDir>
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<LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</LinkIncremental>
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||||
<OutDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">.\Debug\</OutDir>
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<IntDir Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">.\Debug\</IntDir>
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||||
<LinkIncremental Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</LinkIncremental>
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</PropertyGroup>
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||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<ClCompile>
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<InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
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<PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<StringPooling>true</StringPooling>
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<RuntimeLibrary>MultiThreaded</RuntimeLibrary>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<PrecompiledHeader>
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</PrecompiledHeader>
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<PrecompiledHeaderOutputFile>.\Release/Ex71.pch</PrecompiledHeaderOutputFile>
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<AssemblerListingLocation>.\Release/</AssemblerListingLocation>
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<ObjectFileName>.\Release/</ObjectFileName>
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<ProgramDataBaseFileName>.\Release/</ProgramDataBaseFileName>
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<WarningLevel>Level3</WarningLevel>
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<SuppressStartupBanner>true</SuppressStartupBanner>
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</ClCompile>
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<Link>
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<AdditionalOptions>/MACHINE:I386 %(AdditionalOptions)</AdditionalOptions>
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<AdditionalDependencies>odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
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<OutputFile>.\Release/Ex71.exe</OutputFile>
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<SuppressStartupBanner>true</SuppressStartupBanner>
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<ProgramDatabaseFile>.\Release/Ex71.pdb</ProgramDatabaseFile>
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<SubSystem>Console</SubSystem>
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</Link>
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<Midl>
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<TypeLibraryName>.\Release/Ex71.tlb</TypeLibraryName>
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</Midl>
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<ResourceCompile>
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||||
<PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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||||
<Culture>0x0409</Culture>
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||||
</ResourceCompile>
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||||
</ItemDefinitionGroup>
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||||
<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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||||
<ClCompile>
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<Optimization>Disabled</Optimization>
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<PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
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||||
<RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
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<RuntimeTypeInfo>true</RuntimeTypeInfo>
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||||
<PrecompiledHeader>NotUsing</PrecompiledHeader>
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||||
<PrecompiledHeaderOutputFile>.\Debug/Ex71.pch</PrecompiledHeaderOutputFile>
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||||
<AssemblerListingLocation>.\Debug/</AssemblerListingLocation>
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<ObjectFileName>.\Debug/</ObjectFileName>
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<ProgramDataBaseFileName>.\Debug/</ProgramDataBaseFileName>
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<WarningLevel>Level3</WarningLevel>
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<SuppressStartupBanner>true</SuppressStartupBanner>
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<DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
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<AdditionalIncludeDirectories>C:\course\397\DOS_Unix;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
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</ClCompile>
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<Link>
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<AdditionalOptions>/MACHINE:I386 %(AdditionalOptions)</AdditionalOptions>
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<AdditionalDependencies>odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
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||||
<OutputFile>.\Debug/Ex71.exe</OutputFile>
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||||
<SuppressStartupBanner>true</SuppressStartupBanner>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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<ProgramDatabaseFile>.\Debug/Ex71.pdb</ProgramDatabaseFile>
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<SubSystem>Console</SubSystem>
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||||
</Link>
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||||
<Midl>
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||||
<TypeLibraryName>.\Debug/Ex71.tlb</TypeLibraryName>
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||||
</Midl>
|
||||
<ResourceCompile>
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||||
<PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
|
||||
<Culture>0x0409</Culture>
|
||||
</ResourceCompile>
|
||||
</ItemDefinitionGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="ConsolePoleVisitor.cpp" />
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<ClCompile Include="Light.cpp" />
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||||
<ClCompile Include="Pelican.cpp" />
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<ClCompile Include="Pole.cpp" />
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<ClCompile Include="PowerVisitor.cpp" />
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||||
<ClCompile Include="Subject.cpp" />
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||||
<ClCompile Include="Timer.cpp" />
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||||
<ClCompile Include="TimerSet.cpp" />
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||||
<ClCompile Include="main.cpp" />
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||||
<ClCompile Include="..\DOS_Unix\Keyboard_DOS.cpp">
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||||
<ObjectFileName Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(IntDir)%(Filename)1.obj</ObjectFileName>
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||||
<ObjectFileName Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(IntDir)%(Filename)1.obj</ObjectFileName>
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||||
</ClCompile>
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||||
<ClCompile Include="..\DOS_Unix\Screen_DOS.cpp">
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||||
<ObjectFileName Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">$(IntDir)%(Filename)1.obj</ObjectFileName>
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||||
<ObjectFileName Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">$(IntDir)%(Filename)1.obj</ObjectFileName>
|
||||
</ClCompile>
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||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClInclude Include="ConsolePoleVisitor.h" />
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||||
<ClInclude Include="Light.h" />
|
||||
<ClInclude Include="Observer.h" />
|
||||
<ClInclude Include="Pelican.h" />
|
||||
<ClInclude Include="Pole.h" />
|
||||
<ClInclude Include="PoleVisitor.h" />
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||||
<ClInclude Include="PowerVisitor.h" />
|
||||
<ClInclude Include="Subject.h" />
|
||||
<ClInclude Include="Timer.h" />
|
||||
<ClInclude Include="TimerSet.h" />
|
||||
<ClInclude Include="..\DOS_Unix\Keyboard.h" />
|
||||
<ClInclude Include="..\DOS_Unix\Screen.h" />
|
||||
</ItemGroup>
|
||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
|
||||
<ImportGroup Label="ExtensionTargets">
|
||||
</ImportGroup>
|
||||
</Project>
|
||||
@@ -0,0 +1,89 @@
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<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
<ItemGroup>
|
||||
<Filter Include="Source Files">
|
||||
<UniqueIdentifier>{0b227cf9-5391-4e90-8d9f-fc451731aeee}</UniqueIdentifier>
|
||||
<Extensions>cpp;c;cxx;rc;def;r;odl;idl;hpj;bat</Extensions>
|
||||
</Filter>
|
||||
<Filter Include="Header Files">
|
||||
<UniqueIdentifier>{da5f2d9c-de70-4bec-afc6-e895bd2dad8c}</UniqueIdentifier>
|
||||
<Extensions>h;hpp;hxx;hm;inl</Extensions>
|
||||
</Filter>
|
||||
<Filter Include="DOS_Unix">
|
||||
<UniqueIdentifier>{a539e3af-b783-430f-b157-9886e19d62cc}</UniqueIdentifier>
|
||||
</Filter>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClCompile Include="Light.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="Pelican.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="Pole.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="Subject.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="Timer.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="TimerSet.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="main.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="..\DOS_Unix\Keyboard_DOS.cpp">
|
||||
<Filter>DOS_Unix</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="..\DOS_Unix\Screen_DOS.cpp">
|
||||
<Filter>DOS_Unix</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="ConsolePoleVisitor.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="PowerVisitor.cpp">
|
||||
<Filter>Source Files</Filter>
|
||||
</ClCompile>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClInclude Include="Light.h">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="Observer.h">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="Pelican.h">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="Pole.h">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="Subject.h">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="Timer.h">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="TimerSet.h">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="..\DOS_Unix\Keyboard.h">
|
||||
<Filter>DOS_Unix</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="..\DOS_Unix\Screen.h">
|
||||
<Filter>DOS_Unix</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="ConsolePoleVisitor.h">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="PoleVisitor.h">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="PowerVisitor.h">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
</ItemGroup>
|
||||
</Project>
|
||||
@@ -0,0 +1,3 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
</Project>
|
||||
@@ -0,0 +1,28 @@
|
||||
// ======================================================
|
||||
// Light.cpp
|
||||
// ======================================================
|
||||
|
||||
#include "Light.h"
|
||||
#include "PoleVisitor.h"
|
||||
#include <iostream>
|
||||
|
||||
Light::Light(std::string name, int x, int y, int color) : x(x), y(y), c(color), name(name) {}
|
||||
|
||||
Light::~Light() {
|
||||
std::cout << "Deleting light (" << name << ", " << x << ", " << y << ", " << c << ")"
|
||||
<< "\n";
|
||||
}
|
||||
|
||||
void Light::accept(PoleVisitor &pv) { pv.visit(*this); }
|
||||
|
||||
void Light::set(LightState new_state) { state = new_state; }
|
||||
|
||||
Light::LightState Light::get(void) { return state; }
|
||||
|
||||
int Light::getColor(void) { return state == OFF ? 0 : (state == FLASH ? 128 + c : c); }
|
||||
|
||||
std::string Light::getString() { return name; }
|
||||
|
||||
int Light::getX() { return x; }
|
||||
|
||||
int Light::getY() { return y; }
|
||||
@@ -0,0 +1,36 @@
|
||||
// ======================================================
|
||||
// Light.h
|
||||
// ======================================================
|
||||
|
||||
#ifndef LIGHT_H
|
||||
#define LIGHT_H
|
||||
|
||||
#include <string>
|
||||
|
||||
class PoleVisitor;
|
||||
|
||||
class Light {
|
||||
public:
|
||||
Light(std::string name, int x, int y, int color);
|
||||
~Light();
|
||||
|
||||
enum LightState { ON, OFF, FLASH };
|
||||
|
||||
int getColor();
|
||||
std::string getString();
|
||||
int getX();
|
||||
int getY();
|
||||
|
||||
void set(LightState newState); // now just sets the state
|
||||
LightState get(void);
|
||||
|
||||
void accept(PoleVisitor &);
|
||||
|
||||
private:
|
||||
int c; // light color
|
||||
int x, y;
|
||||
std::string name;
|
||||
LightState state;
|
||||
};
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,15 @@
|
||||
// ======================================================
|
||||
// Observer.h
|
||||
// ======================================================
|
||||
|
||||
#ifndef OBSERVER_H
|
||||
#define OBSERVER_H
|
||||
|
||||
#include "Subject.h"
|
||||
|
||||
class Observer {
|
||||
public:
|
||||
virtual void update(const Hint &) = 0;
|
||||
};
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,61 @@
|
||||
// ======================================================
|
||||
// Pelican.cpp
|
||||
// ======================================================
|
||||
|
||||
#include "Pelican.h"
|
||||
#include "Pole.h"
|
||||
#include "Timer.h"
|
||||
|
||||
Pelican::Pelican() : pressed(false), RED_TIME(4), YELLOW_TIME(2), GREEN_TIME(3), FLASH_TIME(5), state(GREEN_IDLE) {
|
||||
myTimer = new Timer([this] { timerExpired(); });
|
||||
}
|
||||
|
||||
void Pelican::press(void) {
|
||||
if (state == GREEN_IDLE) {
|
||||
state = YELLOW_STATE;
|
||||
myTimer->timeoutRequest(YELLOW_TIME);
|
||||
pressed = true;
|
||||
|
||||
notify(WaitHint(pressed));
|
||||
notify(LightHint(state));
|
||||
} else if (state != RED_STATE) {
|
||||
pressed = true;
|
||||
notify(WaitHint(pressed));
|
||||
}
|
||||
}
|
||||
|
||||
void Pelican::timerExpired(void) {
|
||||
switch (state) {
|
||||
case RED_STATE:
|
||||
state = YELLOW_FLASHING;
|
||||
myTimer->timeoutRequest(FLASH_TIME);
|
||||
break;
|
||||
|
||||
case YELLOW_FLASHING:
|
||||
state = GREEN_TIMING;
|
||||
myTimer->timeoutRequest(GREEN_TIME);
|
||||
break;
|
||||
|
||||
case GREEN_TIMING:
|
||||
if (pressed) {
|
||||
state = YELLOW_STATE;
|
||||
myTimer->timeoutRequest(YELLOW_TIME);
|
||||
} else {
|
||||
state = GREEN_IDLE;
|
||||
}
|
||||
break;
|
||||
|
||||
case GREEN_IDLE:
|
||||
// should never happen
|
||||
break;
|
||||
|
||||
case YELLOW_STATE:
|
||||
state = RED_STATE;
|
||||
pressed = false;
|
||||
notify(WaitHint(pressed));
|
||||
myTimer->timeoutRequest(RED_TIME);
|
||||
break;
|
||||
}
|
||||
|
||||
notify(LightHint(state));
|
||||
}
|
||||
@@ -0,0 +1,65 @@
|
||||
// ======================================================
|
||||
// Pelican.h
|
||||
//
|
||||
// Represents a Pelican crossing
|
||||
//
|
||||
// ======================================================
|
||||
|
||||
#ifndef PELICAN_H
|
||||
#define PELICAN_H
|
||||
|
||||
#include "Subject.h"
|
||||
#include "Timer.h"
|
||||
|
||||
class Pelican : public Subject {
|
||||
public:
|
||||
Pelican();
|
||||
|
||||
// call when the WAIT button has been pressed
|
||||
void press(void);
|
||||
|
||||
// states that a Pelican can be in
|
||||
enum PelicanState { RED_STATE, YELLOW_FLASHING, GREEN_TIMING, GREEN_IDLE, YELLOW_STATE };
|
||||
|
||||
bool isPressed() const { return pressed; }
|
||||
PelicanState getState() const { return state; }
|
||||
|
||||
private:
|
||||
// state that this Pelican is in
|
||||
PelicanState state;
|
||||
|
||||
// called by PeleicanTimer when the lights need to change
|
||||
void timerExpired(void);
|
||||
|
||||
const unsigned int RED_TIME;
|
||||
const unsigned int YELLOW_TIME;
|
||||
const unsigned int GREEN_TIME;
|
||||
const unsigned int FLASH_TIME;
|
||||
|
||||
// indicates whether the WAIT light should be on
|
||||
bool pressed;
|
||||
|
||||
// Timer that indicates when the lights should change
|
||||
Timer *myTimer;
|
||||
|
||||
private:
|
||||
// prevent general use of copy ctor and operator=
|
||||
Pelican(const Pelican &);
|
||||
Pelican &operator=(const Pelican &);
|
||||
};
|
||||
|
||||
class LightHint : public Hint {
|
||||
public:
|
||||
LightHint(Pelican::PelicanState s) : state(s) {}
|
||||
|
||||
Pelican::PelicanState state;
|
||||
};
|
||||
|
||||
class WaitHint : public Hint {
|
||||
public:
|
||||
WaitHint(bool p) : pressed(p) {}
|
||||
|
||||
bool pressed;
|
||||
};
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,95 @@
|
||||
// ======================================================
|
||||
// Pole.cpp
|
||||
// ======================================================
|
||||
|
||||
#include <iostream>
|
||||
|
||||
#include "Pelican.h"
|
||||
#include "Pole.h"
|
||||
#include "PoleVisitor.h"
|
||||
#include "Screen.h"
|
||||
|
||||
void Pole::accept(PoleVisitor &pv) {
|
||||
for (int i = RED_LIGHT; i <= RED_MAN; i++) {
|
||||
lights[i]->accept(pv);
|
||||
}
|
||||
waitLight->accept(pv);
|
||||
}
|
||||
|
||||
Pole::Pole(int x, int y, Pelican &pelican)
|
||||
: waitLight(new Light("WAIT", x + 6, y + 12, Screen::WHITE)), myPelican(pelican) {
|
||||
using namespace Screen;
|
||||
|
||||
lights[RED_LIGHT] = new Light("*", x + 11, y + 3, RED);
|
||||
lights[RED_MAN] = new Light("*<-=", x + 6, y + 4, RED);
|
||||
lights[YELLOW_LIGHT] = new Light("*", x + 11, y + 5, YELLOW);
|
||||
lights[GREEN_LIGHT] = new Light("*", x + 11, y + 7, GREEN);
|
||||
lights[GREEN_MAN] = new Light("*|-<", x + 6, y + 7, GREEN);
|
||||
|
||||
write(" _____ ", x, ++y, GRAY);
|
||||
write(" /___ /| ", x, ++y, GRAY);
|
||||
write(" | | | ", x, ++y, GRAY);
|
||||
write(" | |/| ", x, ++y, GRAY);
|
||||
write(" |____| | ", x, ++y, GRAY);
|
||||
write(" | |/| ", x, ++y, GRAY);
|
||||
write(" | | | ", x, ++y, GRAY);
|
||||
write(" |____|/ ", x, ++y, GRAY);
|
||||
write(" _||__ ", x, ++y, GRAY);
|
||||
write(" /___ /| ", x, ++y, GRAY);
|
||||
write(" | | | ", x, ++y, GRAY);
|
||||
write(" | | | ", x, ++y, GRAY);
|
||||
write(" |____|/ ", x, ++y, GRAY);
|
||||
write(" || ", x, ++y, GRAY);
|
||||
write(" || ", x, ++y, GRAY);
|
||||
write(" || ", x, ++y, GRAY);
|
||||
write(" || ", x, ++y, GRAY);
|
||||
write(" || ", x, ++y, GRAY);
|
||||
write(" || ", x, ++y, GRAY);
|
||||
write("========||===========", x, ++y, GRAY);
|
||||
write(" / || / ", x, ++y, GRAY);
|
||||
write("_ /_________ /_ ", x, ++y, GRAY);
|
||||
write("/ / ", x, ++y, GRAY);
|
||||
|
||||
// the only time we need to ask the Pelican its state is at start up
|
||||
update(Hint());
|
||||
}
|
||||
|
||||
Pole::~Pole() {
|
||||
for (int i = 0; i < sizeof lights / sizeof(lights[0]); ++i)
|
||||
delete lights[i];
|
||||
delete waitLight;
|
||||
}
|
||||
|
||||
void Pole::update(const Hint &h) {
|
||||
if (typeid(h) == typeid(WaitHint)) {
|
||||
const WaitHint *whPtr = dynamic_cast<const WaitHint *>(&h);
|
||||
setWaitLight(whPtr->pressed);
|
||||
} else if (typeid(h) == typeid(LightHint)) {
|
||||
const LightHint &lh = dynamic_cast<const LightHint &>(h);
|
||||
setTrafficLights(lh.state);
|
||||
} else {
|
||||
// get the state and update everything
|
||||
setWaitLight(myPelican.isPressed());
|
||||
setTrafficLights(myPelican.getState());
|
||||
notify(Hint());
|
||||
}
|
||||
|
||||
notify(h);
|
||||
}
|
||||
|
||||
void Pole::setTrafficLights(Pelican::PelicanState state) {
|
||||
static const Light::LightState LightStates[Pelican::YELLOW_STATE + 1][RED_MAN + 1] = {
|
||||
// red yellow green green man red man
|
||||
{Light::ON, Light::OFF, Light::OFF, Light::ON, Light::OFF}, // red
|
||||
{Light::OFF, Light::FLASH, Light::OFF, Light::FLASH, Light::OFF}, // y flash
|
||||
{Light::OFF, Light::OFF, Light::ON, Light::OFF, Light::ON}, // g time
|
||||
{Light::OFF, Light::OFF, Light::ON, Light::OFF, Light::ON}, // g idle
|
||||
{Light::OFF, Light::ON, Light::OFF, Light::OFF, Light::ON} // yellow
|
||||
};
|
||||
|
||||
for (int i = RED_LIGHT; i <= RED_MAN; i++) {
|
||||
lights[i]->set(LightStates[state][i]);
|
||||
}
|
||||
}
|
||||
|
||||
void Pole::setWaitLight(bool state) { waitLight->set(state ? Light::ON : Light::OFF); }
|
||||
@@ -0,0 +1,37 @@
|
||||
// ======================================================
|
||||
// Pole.h
|
||||
// ======================================================
|
||||
|
||||
#ifndef POLE_H
|
||||
#define POLE_H
|
||||
|
||||
#include "Light.h"
|
||||
#include "Observer.h"
|
||||
#include "Pelican.h"
|
||||
#include "Subject.h"
|
||||
|
||||
class Hint;
|
||||
class PoleVisitor;
|
||||
|
||||
class Pole : public Observer, public Subject {
|
||||
public:
|
||||
void update(const Hint &);
|
||||
|
||||
void accept(PoleVisitor &);
|
||||
|
||||
Pole(int x, int y, Pelican &p);
|
||||
~Pole();
|
||||
|
||||
private:
|
||||
Pelican &myPelican;
|
||||
|
||||
void setTrafficLights(Pelican::PelicanState);
|
||||
void setWaitLight(bool);
|
||||
|
||||
enum LightName { RED_LIGHT, YELLOW_LIGHT, GREEN_LIGHT, GREEN_MAN, RED_MAN };
|
||||
|
||||
Light *lights[RED_MAN + 1];
|
||||
Light *waitLight;
|
||||
};
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,15 @@
|
||||
// ======================================================
|
||||
// PoleVisitor.h
|
||||
// ======================================================
|
||||
|
||||
#ifndef POLEVISITOR_H
|
||||
#define POLEVISITOR_H
|
||||
|
||||
class Light;
|
||||
|
||||
class PoleVisitor {
|
||||
public:
|
||||
virtual void visit(Light &) = 0;
|
||||
};
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,23 @@
|
||||
#include "PowerVisitor.h"
|
||||
#include "Light.h"
|
||||
#include "Pole.h"
|
||||
#include <iostream>
|
||||
|
||||
void PowerVisitor::visit(Light &l) {
|
||||
switch (l.get()) {
|
||||
case Light::ON:
|
||||
runningTotal += 60;
|
||||
break;
|
||||
case Light::FLASH:
|
||||
runningTotal += 30;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void PowerVisitor::calculatePower(Pole &p) {
|
||||
runningTotal = 0;
|
||||
|
||||
p.accept(*this);
|
||||
|
||||
std::cout << "Power usage is " << runningTotal << " watts.\n";
|
||||
}
|
||||
@@ -0,0 +1,15 @@
|
||||
#pragma once
|
||||
|
||||
#include "PoleVisitor.h"
|
||||
|
||||
class Pole;
|
||||
|
||||
class PowerVisitor : public PoleVisitor {
|
||||
private:
|
||||
int runningTotal;
|
||||
|
||||
public:
|
||||
void visit(Light &l);
|
||||
|
||||
void calculatePower(Pole &p);
|
||||
};
|
||||
@@ -0,0 +1,14 @@
|
||||
// ======================================================
|
||||
// Subject.cpp
|
||||
// ======================================================
|
||||
|
||||
#include "Subject.h"
|
||||
#include "Observer.h"
|
||||
|
||||
void Subject::attach(Observer &obs) { myObservers.insert(&obs); }
|
||||
|
||||
void Subject::notify(const Hint &h) const {
|
||||
for (ObsList::const_iterator iter = myObservers.begin(); iter != myObservers.end(); ++iter) {
|
||||
(*iter)->update(h);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,29 @@
|
||||
// ======================================================
|
||||
// Subject.h
|
||||
// ======================================================
|
||||
|
||||
#ifndef SUBJECT_H
|
||||
#define SUBJECT_H
|
||||
|
||||
class Observer;
|
||||
|
||||
#include <set>
|
||||
|
||||
class Hint {
|
||||
public:
|
||||
virtual ~Hint() {}
|
||||
};
|
||||
|
||||
class Subject {
|
||||
public:
|
||||
typedef std::set<Observer *> ObsList;
|
||||
void attach(Observer &obs);
|
||||
|
||||
protected:
|
||||
void notify(const Hint &) const;
|
||||
|
||||
private:
|
||||
ObsList myObservers;
|
||||
};
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,27 @@
|
||||
// ======================================================
|
||||
// timer.cpp
|
||||
// ======================================================
|
||||
|
||||
#include "Timer.h"
|
||||
#include "TimerSet.h"
|
||||
|
||||
void Timer::timeoutRequest(int seconds) { timeToGo = seconds; }
|
||||
|
||||
Timer::Timer(std::function<void(void)> action) : timeToGo(-1), doExpired(action) {
|
||||
TimerSet::Instance().addATimer(this);
|
||||
}
|
||||
|
||||
void Timer::tick() {
|
||||
if (isExpired()) {
|
||||
doExpired();
|
||||
}
|
||||
}
|
||||
|
||||
bool Timer::isExpired() {
|
||||
if (timeToGo > 0) {
|
||||
if (--timeToGo == 0) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
@@ -0,0 +1,34 @@
|
||||
// ======================================================
|
||||
// Timer.h
|
||||
//
|
||||
// A general-purpose countdown timer
|
||||
// To use this class, specialize it
|
||||
// and override tick()
|
||||
//
|
||||
// ======================================================
|
||||
|
||||
#ifndef timer_H
|
||||
#define timer_H
|
||||
|
||||
#include <ctime>
|
||||
#include <functional>
|
||||
|
||||
class Timer {
|
||||
public:
|
||||
Timer(std::function<void(void)> action);
|
||||
|
||||
void timeoutRequest(int seconds);
|
||||
|
||||
// template method
|
||||
void tick();
|
||||
|
||||
protected:
|
||||
bool isExpired();
|
||||
|
||||
private:
|
||||
std::function<void(void)> doExpired;
|
||||
|
||||
int timeToGo;
|
||||
};
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,37 @@
|
||||
#include "TimerSet.h"
|
||||
#include "Timer.h"
|
||||
#include <iostream>
|
||||
|
||||
// Member functions
|
||||
|
||||
TimerSet::TimerSet()
|
||||
: previousTime(time(&previousTime)), pollingThread([this]() { poll10Hz(); }) // Exercise 5.1 start thread
|
||||
{
|
||||
pollingThread.detach(); // let it die on its own, without join
|
||||
}
|
||||
|
||||
// Exercise 5.1 new function
|
||||
void TimerSet::poll10Hz() {
|
||||
std::chrono::duration<int, std::milli> pause(100);
|
||||
while (true) {
|
||||
std::this_thread::sleep_for(pause);
|
||||
pollAllTimers();
|
||||
}
|
||||
}
|
||||
|
||||
void TimerSet::addATimer(Timer *t) { timers.push_back(t); }
|
||||
|
||||
void TimerSet::pollAllTimers() {
|
||||
std::time_t timeNow;
|
||||
if (time(&timeNow) > previousTime) {
|
||||
previousTime = timeNow;
|
||||
for (auto it = timers.begin(); it != timers.end(); it++) {
|
||||
(*it)->tick();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
TimerSet &TimerSet::Instance() {
|
||||
static TimerSet pInstance;
|
||||
return pInstance;
|
||||
}
|
||||
@@ -0,0 +1,33 @@
|
||||
#ifndef TIMERSET_H
|
||||
#define TIMERSET_H
|
||||
|
||||
#include <ctime>
|
||||
#include <thread>
|
||||
#include <vector>
|
||||
|
||||
class Timer;
|
||||
|
||||
class TimerSet {
|
||||
public:
|
||||
void pollAllTimers();
|
||||
void addATimer(Timer *);
|
||||
|
||||
private:
|
||||
TimerSet();
|
||||
std::vector<Timer *> timers;
|
||||
std::time_t previousTime;
|
||||
|
||||
// Exercise 5.1 Threading two new members
|
||||
std::thread pollingThread;
|
||||
void poll10Hz();
|
||||
|
||||
// Meyer's Singleton
|
||||
public:
|
||||
static TimerSet &Instance();
|
||||
|
||||
private:
|
||||
TimerSet(const TimerSet &);
|
||||
TimerSet &operator=(const TimerSet &);
|
||||
};
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,43 @@
|
||||
// =================================================================
|
||||
// main.cpp (for pelican crossing program)
|
||||
// =================================================================
|
||||
|
||||
#include "ConsolePoleVisitor.h"
|
||||
#include "Keyboard.h"
|
||||
#include "Pelican.h"
|
||||
#include "Pole.h"
|
||||
#include "PowerVisitor.h"
|
||||
#include "TimerSet.h"
|
||||
|
||||
#include <cctype> // provides toupper()
|
||||
|
||||
int main() {
|
||||
Keyboard kbd;
|
||||
Pelican thePelican;
|
||||
|
||||
Pole pole1(20, 0, thePelican);
|
||||
thePelican.attach(pole1);
|
||||
ConsolePoleVisitor cp1(pole1);
|
||||
pole1.attach(cp1);
|
||||
|
||||
Pole pole2(40, 0, thePelican);
|
||||
thePelican.attach(pole2);
|
||||
ConsolePoleVisitor cp2(pole2);
|
||||
pole2.attach(cp2);
|
||||
|
||||
char c = 0;
|
||||
|
||||
while (std::toupper(c) != 'Q') { // loop until 'Q' is pressed
|
||||
c = kbd.getChar(); // get the character
|
||||
if (c == ' ') {
|
||||
// it's a space, so press the WAIT button
|
||||
thePelican.press();
|
||||
} else if (c == 'p') {
|
||||
PowerVisitor pv;
|
||||
|
||||
pv.calculatePower(pole1);
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
Reference in New Issue
Block a user