namespace alias in C++ to C#
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namespace alias in C++ to C#
by tlackey
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I am new to using swig and I am having a problem accessing a class in an
aliased namespace correctly. the header file: namespace bar=foo; namespace foo { class Handle public: .... }; } swig file: class Handle public: .... }; When the swig wrapper is created the code is like: bar::Handle; and it creates a generic swig pointer for it: SWIGTYPE_p_bar_Handle It also creates the C# proxy class for the generic pointer SWIGTYPE_p_bar_Handle.cs and the Handle.cs class. How do I get the generic swig pointer and the Handle to be the same? Thanks, Truman Lackey ------------------------------------------------------------------------------ _______________________________________________ Swig-user mailing list Swig-user@... https://lists.sourceforge.net/lists/listinfo/swig-user |
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Re: namespace alias in C++ to C#
by lacktrum
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To answer my own question I placed the following in my .i file: namespace foo { class Handle public: .... }; } class Handle public: .... }; This handles both namespaced references to Handle and non namespace references. Is there possible a more elegant way to resolve this? As it is right now I have a lot of class code replication in my SWIG file. |
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Re: namespace alias in C++ to C#
by wsfulton
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tlackey@... wrote:
> I am new to using swig and I am having a problem accessing a class in an > aliased namespace correctly. > > the header file: > > namespace bar=foo; > > namespace foo { > class Handle > public: > .... > }; > } > > swig file: > > > class Handle > public: > .... > }; > > When the swig wrapper is created the code is like: > > bar::Handle; > > and it creates a generic swig pointer for it: > SWIGTYPE_p_bar_Handle > > It also creates the C# proxy class for the generic pointer > SWIGTYPE_p_bar_Handle.cs and the Handle.cs class. > > How do I get the generic swig pointer and the Handle to be the same? > %inline %{ namespace foo { class Handle { public: // .... }; } namespace bar=foo; void func(bar::Handle) {} %} William ------------------------------------------------------------------------------ _______________________________________________ Swig-user mailing list Swig-user@... https://lists.sourceforge.net/lists/listinfo/swig-user |
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Re: namespace alias in C++ to C#
by David Piepgrass
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> To answer my own question I placed the following in my .i file:
> > namespace foo { > class Handle > public: > .... > }; > } > > class Handle > public: > .... > }; > > This handles both namespaced references to Handle and non namespace > references. > Is there possible a more elegant way to resolve this? Might I suggest: namespace foo { class Handle public: .... }; } typedef foo::Handle Handle; ------------------------------------------------------------------------------ _______________________________________________ Swig-user mailing list Swig-user@... https://lists.sourceforge.net/lists/listinfo/swig-user |
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Re: namespace alias in C++ to C#
by wsfulton
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lacktrum wrote:
> > tlackey wrote: >> I am new to using swig and I am having a problem accessing a class in an >> aliased namespace correctly. >> >> the header file: >> >> namespace bar=foo; >> >> namespace foo { >> class Handle >> public: >> .... >> }; >> } >> >> swig file: >> >> >> class Handle >> public: >> .... >> }; >> >> When the swig wrapper is created the code is like: >> >> bar::Handle; >> >> and it creates a generic swig pointer for it: >> SWIGTYPE_p_bar_Handle >> >> It also creates the C# proxy class for the generic pointer >> SWIGTYPE_p_bar_Handle.cs and the Handle.cs class. >> >> How do I get the generic swig pointer and the Handle to be the same? >> >> Thanks, >> >> Truman Lackey >> >> >> >> ------------------------------------------------------------------------------ >> _______________________________________________ >> Swig-user mailing list >> Swig-user@... >> https://lists.sourceforge.net/lists/listinfo/swig-user >> >> > > To answer my own question I placed the following in my .i file: > > namespace foo { > class Handle > public: > .... > }; > } > > class Handle > public: > .... > }; > > This handles both namespaced references to Handle and non namespace > references. > Is there possible a more elegant way to resolve this? > > As it is right now I have a lot of class code replication in my SWIG file. > the right thing. You can do this by replicating the classes *exactly* in your interface file or more simply use %include of the original headers. William ------------------------------------------------------------------------------ _______________________________________________ Swig-user mailing list Swig-user@... https://lists.sourceforge.net/lists/listinfo/swig-user |
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Re: namespace alias in C++ to C#
by lacktrum
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Thanks for the input. But I still have a problem with the aliased namespace. I can get it halfway working. Meaning I can either get bar::Handle to work or foo::Handle but not both. The way the code works is that i have a namespace of say foo that is wrapped by other code that aliases foo to bar. When I look at the c++ code created by swig for these header files I have foo::Handle and bar::Handle in the wrapper code. I have tried various means to get them to be the same types including using %include on the header files. When I use a typedef it seems to ignore it. Do you have any other ideas on how I can get this working? Thanks, Truman |
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Re: namespace alias in C++ to C#
by lacktrum
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I got it working. I realized I was not %including the .h file that aliased the namespace. When I used %include on the header with the alias, it worked. Thanks, Truman |
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