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Add C++ nested class example

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This also reverts the nested class additions to the Java/C# 'class' example
so that the 'class' example remains identical across different language modules
This commit is contained in:
William S Fulton 2013-11-29 07:46:48 +00:00
commit 2d518c638c
22 changed files with 802 additions and 18 deletions
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1
Examples/csharp/check.list
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@ -5,6 +5,7 @@ class
enum
extend
funcptr
nested
reference
simple
template

2
Examples/csharp/class/example.cxx
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@ -9,7 +9,7 @@ void Shape::move(double dx, double dy) {
y += dy;
}
int Shape::Counter::nshapes = 0;
int Shape::nshapes = 0;
double Circle::area(void) {
return M_PI*radius*radius;

8
Examples/csharp/class/example.h
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@ -2,19 +2,17 @@
class Shape {
public:
struct Counter{
static int nshapes;
};
Shape() {
Counter::nshapes++;
nshapes++;
}
virtual ~Shape() {
Counter::nshapes--;
nshapes--;
};
double x, y;
void move(double dx, double dy);
virtual double area(void) = 0;
virtual double perimeter(void) = 0;
static int nshapes;
};
class Circle : public Shape {

6
Examples/csharp/class/runme.cs
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@ -17,9 +17,9 @@ public class runme
Console.WriteLine( " Created circle " + c );
Console.WriteLine( " Created square " + s );
// ----- Access a static member of a nested class -----
// ----- Access a static member -----
Console.WriteLine( "\nA total of " + Shape.Counter.nshapes + " shapes were created" );
Console.WriteLine( "\nA total of " + Shape.nshapes + " shapes were created" );
// ----- Member data access -----
@ -60,7 +60,7 @@ public class runme
// Note: when this using scope is exited the C# Dispose() methods
// are called which in turn call the C++ destructors
Console.WriteLine( Shape.Counter.nshapes + " shapes remain" );
Console.WriteLine( Shape.nshapes + " shapes remain" );
Console.WriteLine( "Goodbye" );
}
}

19
Examples/csharp/nested/Makefile Normal file
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@ -0,0 +1,19 @@
TOP = ../..
SWIG = $(TOP)/../preinst-swig
CXXSRCS = example.cxx
TARGET = example
INTERFACE = example.i
SWIGOPT =
CSHARPSRCS = *.cs
CSHARPFLAGS= -nologo -out:runme.exe
check: build
$(MAKE) -f $(TOP)/Makefile csharp_run
build:
$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' csharp_cpp
$(MAKE) -f $(TOP)/Makefile CSHARPSRCS='$(CSHARPSRCS)' CSHARPFLAGS='$(CSHARPFLAGS)' csharp_compile
clean:
$(MAKE) -f $(TOP)/Makefile csharp_clean

94
Examples/csharp/nested/example-cs.csproj Normal file
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@ -0,0 +1,94 @@
<VisualStudioProject>
<CSHARP
ProjectType = "Local"
ProductVersion = "7.10.3077"
SchemaVersion = "2.0"
ProjectGuid = "{C17D27DF-4C57-4625-AEE0-A40C4F48FF1A}"
>
<Build>
<Settings
ApplicationIcon = ""
AssemblyKeyContainerName = ""
AssemblyName = "runme"
AssemblyOriginatorKeyFile = ""
DefaultClientScript = "JScript"
DefaultHTMLPageLayout = "Grid"
DefaultTargetSchema = "IE50"
DelaySign = "false"
OutputType = "Exe"
PreBuildEvent = ""
PostBuildEvent = ""
RootNamespace = "runme"
RunPostBuildEvent = "OnBuildSuccess"
StartupObject = ""
>
<Config
Name = "Debug"
AllowUnsafeBlocks = "false"
BaseAddress = "285212672"
CheckForOverflowUnderflow = "false"
ConfigurationOverrideFile = ""
DefineConstants = "DEBUG;TRACE"
DocumentationFile = ""
DebugSymbols = "true"
FileAlignment = "4096"
IncrementalBuild = "false"
NoStdLib = "false"
NoWarn = ""
Optimize = "false"
OutputPath = ".\"
RegisterForComInterop = "false"
RemoveIntegerChecks = "false"
TreatWarningsAsErrors = "false"
WarningLevel = "4"
/>
<Config
Name = "Release"
AllowUnsafeBlocks = "false"
BaseAddress = "285212672"
CheckForOverflowUnderflow = "false"
ConfigurationOverrideFile = ""
DefineConstants = "TRACE"
DocumentationFile = ""
DebugSymbols = "false"
FileAlignment = "4096"
IncrementalBuild = "false"
NoStdLib = "false"
NoWarn = ""
Optimize = "true"
OutputPath = ".\"
RegisterForComInterop = "false"
RemoveIntegerChecks = "false"
TreatWarningsAsErrors = "false"
WarningLevel = "4"
/>
</Settings>
<References/>
</Build>
<Files>
<Include>
<File
RelPath = "example.cs"
SubType = "Code"
BuildAction = "Compile"
/>
<File
RelPath = "examplePINVOKE.cs"
SubType = "Code"
BuildAction = "Compile"
/>
<File
RelPath = "MotorCar.cs"
SubType = "Code"
BuildAction = "Compile"
/>
<File
RelPath = "runme.cs"
SubType = "Code"
BuildAction = "Compile"
/>
</Include>
</Files>
</CSHARP>
</VisualStudioProject>

158
Examples/csharp/nested/example-vc.vcproj Normal file
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@ -0,0 +1,158 @@
<?xml version="1.0" encoding="Windows-1252"?>
<VisualStudioProject
ProjectType="Visual C++"
Version="7.10"
Name="example"
ProjectGUID="{C2302635-D489-4678-96B4-70F5309DCBE6}"
Keyword="Win32Proj">
<Platforms>
<Platform
Name="Win32"/>
</Platforms>
<Configurations>
<Configuration
Name="Debug|Win32"
OutputDirectory="Debug"
IntermediateDirectory="Debug"
ConfigurationType="2"
CharacterSet="2">
<Tool
Name="VCCLCompilerTool"
Optimization="0"
PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;EXAMPLEVC_EXPORTS"
MinimalRebuild="TRUE"
BasicRuntimeChecks="3"
RuntimeLibrary="1"
UsePrecompiledHeader="0"
WarningLevel="3"
Detect64BitPortabilityProblems="TRUE"
DebugInformationFormat="4"/>
<Tool
Name="VCCustomBuildTool"/>
<Tool
Name="VCLinkerTool"
OutputFile="example.dll"
LinkIncremental="2"
GenerateDebugInformation="TRUE"
ProgramDatabaseFile="$(OutDir)/example.pdb"
SubSystem="2"
ImportLibrary="$(OutDir)/example.lib"
TargetMachine="1"/>
<Tool
Name="VCMIDLTool"/>
<Tool
Name="VCPostBuildEventTool"/>
<Tool
Name="VCPreBuildEventTool"/>
<Tool
Name="VCPreLinkEventTool"/>
<Tool
Name="VCResourceCompilerTool"/>
<Tool
Name="VCWebServiceProxyGeneratorTool"/>
<Tool
Name="VCXMLDataGeneratorTool"/>
<Tool
Name="VCWebDeploymentTool"/>
<Tool
Name="VCManagedWrapperGeneratorTool"/>
<Tool
Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
</Configuration>
<Configuration
Name="Release|Win32"
OutputDirectory="Release"
IntermediateDirectory="Release"
ConfigurationType="2"
CharacterSet="2">
<Tool
Name="VCCLCompilerTool"
PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;EXAMPLEVC_EXPORTS"
RuntimeLibrary="0"
UsePrecompiledHeader="0"
WarningLevel="3"
Detect64BitPortabilityProblems="TRUE"
DebugInformationFormat="3"/>
<Tool
Name="VCCustomBuildTool"/>
<Tool
Name="VCLinkerTool"
OutputFile="example.dll"
LinkIncremental="1"
GenerateDebugInformation="TRUE"
SubSystem="2"
OptimizeReferences="2"
EnableCOMDATFolding="2"
ImportLibrary="$(OutDir)/example.lib"
TargetMachine="1"/>
<Tool
Name="VCMIDLTool"/>
<Tool
Name="VCPostBuildEventTool"/>
<Tool
Name="VCPreBuildEventTool"/>
<Tool
Name="VCPreLinkEventTool"/>
<Tool
Name="VCResourceCompilerTool"/>
<Tool
Name="VCWebServiceProxyGeneratorTool"/>
<Tool
Name="VCXMLDataGeneratorTool"/>
<Tool
Name="VCWebDeploymentTool"/>
<Tool
Name="VCManagedWrapperGeneratorTool"/>
<Tool
Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
</Configuration>
</Configurations>
<References>
</References>
<Files>
<Filter
Name="Source Files"
Filter="cpp;c;cxx;def;odl;idl;hpj;bat;asm;asmx"
UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}">
<File
RelativePath="example.cxx">
</File>
<File
RelativePath="example_wrap.cxx">
</File>
</Filter>
<Filter
Name="Header Files"
Filter="h;hpp;hxx;hm;inl;inc;xsd"
UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}">
<File
RelativePath="example.h">
</File>
</Filter>
<File
RelativePath=".\example.i">
<FileConfiguration
Name="Debug|Win32">
<Tool
Name="VCCustomBuildTool"
CommandLine="echo Invoking SWIG...
echo on
..\..\..\swig.exe -c++ -csharp &quot;$(InputPath)&quot;
@echo off"
Outputs="$(InputName)_wrap.cxx"/>
</FileConfiguration>
<FileConfiguration
Name="Release|Win32">
<Tool
Name="VCCustomBuildTool"
CommandLine="echo Invoking SWIG...
echo on
..\..\..\swig.exe -c++ -csharp &quot;$(InputPath)&quot;
@echo off"
Outputs="$(InputName)_wrap.cxx"/>
</FileConfiguration>
</File>
</Files>
<Globals>
</Globals>
</VisualStudioProject>

62
Examples/csharp/nested/example.cxx Normal file
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@ -0,0 +1,62 @@
#include "example.h"
int MotorCar::DesignOpinion::AceDesignCount = 0;
int MotorCar::DesignOpinion::TotalDesignCount = 0;
int MotorCar::DesignOpinion::PercentScore() {
return AceDesignCount*100/TotalDesignCount;
}
MotorCar::Wheels::Wheels(Shape shape, size_t count) : shape(shape), count(count) {}
MotorCar::WindScreen::WindScreen(bool opaque) : opaque(opaque) {}
MotorCar::MotorCar(const std::string &name, const Wheels &wheels, const WindScreen &windscreen) : name(name), wheels(wheels), windscreen(windscreen) {}
MotorCar MotorCar::DesignFromComponents(const std::string &name, const Wheels &wheels, const WindScreen &windscreen) {
MotorCar car = MotorCar(name, wheels, windscreen);
DesignOpinion::TotalDesignCount++;
if (car.wheels.Opinion().itrocks && car.windscreen.Opinion().itrocks)
DesignOpinion::AceDesignCount++;
return car;
}
MotorCar::DesignOpinion MotorCar::Wheels::Opinion() {
DesignOpinion opinion;
opinion.itrocks = true;
if (shape == Square) {
opinion.itrocks = false;
opinion.reason = "you'll have a few issues with wheel rotation";
}
if (count <= 2) {
opinion.reason += opinion.itrocks ? "" : " and ";
opinion.itrocks = false;
opinion.reason += "a few more wheels are needed for stability";
}
if (opinion.itrocks)
opinion.reason = "your choice of wheels was top notch";
return opinion;
}
MotorCar::DesignOpinion MotorCar::WindScreen::Opinion() {
DesignOpinion opinion;
opinion.itrocks = !opaque;
opinion.reason = opinion.itrocks ? "the driver will have a commanding view out the window" : "you can't see out the windscreen";
return opinion;
}
std::string MotorCar::WillItWork() {
DesignOpinion wh = wheels.Opinion();
DesignOpinion ws = windscreen.Opinion();
std::string willit;
if (wh.itrocks && ws.itrocks) {
willit = "Great car design because " + wh.reason + " and " + ws.reason;
} else {
willit = "You need a rethink because ";
willit += wh.itrocks ? "" : wh.reason;
willit += (!wh.itrocks && !ws.itrocks) ? " and " : "";
willit += ws.itrocks ? "" : ws.reason;
}
return willit;
}

48
Examples/csharp/nested/example.h Normal file
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@ -0,0 +1,48 @@
#include <string>
/** Design a motor car from various components */
struct MotorCar {
/** Information about an opinion of the design of a car component */
struct DesignOpinion {
bool itrocks;
std::string reason;
static int AceDesignCount;
static int TotalDesignCount;
static int PercentScore();
};
/** Wheels component */
struct Wheels {
enum Shape { Round, Square };
Wheels(Shape shape, size_t count);
DesignOpinion Opinion();
private:
Shape shape;
size_t count;
};
/** Windscreen component */
struct WindScreen {
WindScreen(bool opaque);
DesignOpinion Opinion();
private:
bool opaque;
};
/** Factory method for creating a car */
static MotorCar DesignFromComponents(const std::string &name, const Wheels &wheels, const WindScreen &windscreen);
std::string Name() {
return name;
}
/** Get an overall opinion on the car design */
std::string WillItWork();
private:
MotorCar(const std::string &name, const Wheels &wheels, const WindScreen &windscreen);
std::string name;
Wheels wheels;
WindScreen windscreen;
};

13
Examples/csharp/nested/example.i Normal file
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@ -0,0 +1,13 @@
%module example
// This example shows how wrappers for numerous aspects of C++ nested classes work:
// Nested static and instance variables and methods and nested enums
%include <std_string.i>
%{
#include "example.h"
%}
%include "example.h"

30
Examples/csharp/nested/example.sln Normal file
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@ -0,0 +1,30 @@
Microsoft Visual Studio Solution File, Format Version 8.00
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "example-cs", "example-cs.csproj", "{C17D27DF-4C57-4625-AEE0-A40C4F48FF1A}"
ProjectSection(ProjectDependencies) = postProject
{C2302635-D489-4678-96B4-70F5309DCBE6} = {C2302635-D489-4678-96B4-70F5309DCBE6}
EndProjectSection
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "example-vc", "example-vc.vcproj", "{C2302635-D489-4678-96B4-70F5309DCBE6}"
ProjectSection(ProjectDependencies) = postProject
EndProjectSection
EndProject
Global
GlobalSection(SolutionConfiguration) = preSolution
Debug = Debug
Release = Release
EndGlobalSection
GlobalSection(ProjectConfiguration) = postSolution
{C17D27DF-4C57-4625-AEE0-A40C4F48FF1A}.Debug.ActiveCfg = Debug|.NET
{C17D27DF-4C57-4625-AEE0-A40C4F48FF1A}.Debug.Build.0 = Debug|.NET
{C17D27DF-4C57-4625-AEE0-A40C4F48FF1A}.Release.ActiveCfg = Release|.NET
{C17D27DF-4C57-4625-AEE0-A40C4F48FF1A}.Release.Build.0 = Release|.NET
{C2302635-D489-4678-96B4-70F5309DCBE6}.Debug.ActiveCfg = Debug|Win32
{C2302635-D489-4678-96B4-70F5309DCBE6}.Debug.Build.0 = Debug|Win32
{C2302635-D489-4678-96B4-70F5309DCBE6}.Release.ActiveCfg = Release|Win32
{C2302635-D489-4678-96B4-70F5309DCBE6}.Release.Build.0 = Release|Win32
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
EndGlobalSection
GlobalSection(ExtensibilityAddIns) = postSolution
EndGlobalSection
EndGlobal

27
Examples/csharp/nested/runme.cs Normal file
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@ -0,0 +1,27 @@
// This example illustrates how C++ classes can be used from C# using SWIG.
// The C# class gets mapped onto the C++ class and behaves as if it is a C# class.
using System;
public class runme
{
static void Main()
{
MotorCar car1 = MotorCar.DesignFromComponents("Bumpy", new MotorCar.Wheels(MotorCar.Wheels.Shape.Square, 4), new MotorCar.WindScreen(false));
MotorCar car2 = MotorCar.DesignFromComponents("Wobbly", new MotorCar.Wheels(MotorCar.Wheels.Shape.Round, 2), new MotorCar.WindScreen(false));
MotorCar car3 = MotorCar.DesignFromComponents("Batty", new MotorCar.Wheels(MotorCar.Wheels.Shape.Round, 4), new MotorCar.WindScreen(true));
MotorCar car4 = MotorCar.DesignFromComponents("Spiffing", new MotorCar.Wheels(MotorCar.Wheels.Shape.Round, 4), new MotorCar.WindScreen(false));
Console.WriteLine("Expert opinion on " + car1.Name() + " : \n " + car1.WillItWork());
Console.WriteLine("Expert opinion on " + car2.Name() + " : \n " + car2.WillItWork());
Console.WriteLine("Expert opinion on " + car3.Name() + " : \n " + car3.WillItWork());
Console.WriteLine("Expert opinion on " + car4.Name() + " : \n " + car4.WillItWork());
int count = MotorCar.DesignOpinion.AceDesignCount;
int total = MotorCar.DesignOpinion.TotalDesignCount;
int percent = MotorCar.DesignOpinion.PercentScore();
Console.WriteLine("Overall opinion rating on car design is " + count + "/" + total + " = " + percent + "%");
Console.WriteLine("Single square wheel thoughts: " + new MotorCar.Wheels(MotorCar.Wheels.Shape.Square, 1).Opinion().reason);
}
}