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List: pykde
Subject: ConvertToSubClassCode for IDispatch
From: Weitian Leung <Just_Fancy () live ! com>
Date: 2023-05-19 12:15:36
Message-ID: TYAP286MB0540BA706EFD8B58CB1BB47C977C9 () TYAP286MB0540 ! JPNP286 ! PROD ! OUTLOOK ! COM
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Hello,
I have a IDispatch related sdk header, say it contains two IDispatch interfaces:
```
interface _Foo : public IDispatch {…};
typedef interface Foo Foo; // No definition at all
```
`Foo` can be QueryInterface from `_Foo` in C++ (or just do a cast), and for this case \
I asume they are just the same class.
As the sdk internal only uses the Foo interface, such as:
```
interface Bar : public IDispatch
{
bool open(…, Foo** out);
void dosomething(Foo* f);
};
```
So I use ConvertToSubClassCode to resolve the buggy sdk:
```
class Foo /Abstract,NoDefaultCtors/
{
%ConvertToSubClassCode
sipType = sipType__Foo;
%End
};
```
It works for `open`, but not for `dosomething` due to ConvertToSubClassCode make \
`open` returns a `_Foo`, they have no inherits from python’s view.
I can’ｔ change the C++ sdk as it out of my control．
So is there any chance to make SIP works for such case?
Thanks.
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<div class="WordSection1">
<p class="MsoNormal"><span lang="EN-US">Hello,</span></p>
<p class="MsoNormal"><span lang="EN-US"> I have a IDispatch \
related sdk header, say it contains two IDispatch interfaces:</span></p> <p \
class="MsoNormal"><span lang="EN-US">```</span></p> <p class="MsoNormal"><span \
lang="EN-US">interface _Foo : public IDispatch {…};</span></p> <p \
class="MsoNormal"><span lang="EN-US">typedef interface Foo Foo; // No definition at \
all</span></p> <p class="MsoNormal"><span lang="EN-US">```</span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">`Foo` can be QueryInterface from `_Foo` in \
C++ (or just do a cast), and for this case I asume they are just the same \
class.</span></p> <p class="MsoNormal"><span \
lang="EN-US"><o:p> </o:p></span></p> <p class="MsoNormal"><span lang="EN-US">As \
the sdk internal only uses the Foo interface, such as:</span></p> <p \
class="MsoNormal"><span lang="EN-US">```</span></p> <p class="MsoNormal"><span \
lang="EN-US">interface Bar : public IDispatch</span></p> <p class="MsoNormal"><span \
lang="EN-US">{</span></p> <p class="MsoNormal"><span \
lang="EN-US"> bool open(…, Foo** \
out);</span></p> <p class="MsoNormal"><span \
lang="EN-US"> void dosomething(Foo* f);</span></p> <p \
class="MsoNormal"><span lang="EN-US">};</span></p> <p class="MsoNormal"><span \
lang="EN-US">```</span></p> <p class="MsoNormal"><span \
lang="EN-US"><o:p> </o:p></span></p> <p class="MsoNormal"><span lang="EN-US">So \
I use ConvertToSubClassCode to resolve the buggy sdk:</span></p> <p \
class="MsoNormal"><span lang="EN-US">```</span></p> <p class="MsoNormal"><span \
lang="EN-US"> class Foo /Abstract,NoDefaultCtors/</span></p> <p \
class="MsoNormal"><span lang="EN-US"> {</span></p> <p \
class="MsoNormal"><span lang="EN-US"> \
%ConvertToSubClassCode</span></p> <p class="MsoNormal"><span \
lang="EN-US"> sipType = \
sipType__Foo;</span></p> <p class="MsoNormal"><span lang="EN-US"> \
%End</span></p> <p class="MsoNormal"><span lang="EN-US"> \
};</span></p> <p class="MsoNormal"><span lang="EN-US">```</span></p>
<p class="MsoNormal"><span lang="EN-US" \
style="font-size:12.0pt"><o:p> </o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-size:12.0pt">It works for `open`, but not for `</span><span \
lang="EN-US">dosomething` due to ConvertToSubClassCode make `open` returns a `_Foo`, \
they have no inherits from python’s view.</span></p> <p \
class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt;font-family:SimSun">I \
can’</span><span style="font-size:12.0pt;font-family:SimSun">ｔ<span \
lang="EN-US"> change the C++ sdk as it out of my control</span>．<span \
lang="EN-US"><o:p></o:p></span></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-size:12.0pt;font-family:SimSun">So is there any chance to make SIP works \
for such case?<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-size:12.0pt;font-family:SimSun"><o:p> </o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-size:12.0pt;font-family:SimSun">Thanks.<o:p></o:p></span></p> </div>
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