Hi all,
I have my hobby project CloudCV which is a image processing platform in the
cloud environment. For back-end I'm using C++ code which encapsulated into
C++ module used by node.js which serves as front-end for the website.
In general I'm happy with this architecture, but recently I had to make and
algorithm (face detection) that needs some external data for
initialization. This data is stored in the file in XML form. On module load
i'd like to load this file
and initialize C++ algorithm. But I couldn't find a way how to get the
current module directory from the C++ module.
Ideally I'd like to have the following function:
void RegisterModule(Handle<Object> target)
{
std::string currentDirectory = *getModuleDirectory*();
if (initializeFaceDetector(currentDirectory + "my_file_name.xml"))
{
target->Set(String::NewSymbol("detectFaces"),
FunctionTemplate::New(detectFaces)->GetFunction());
}
}
Where *getModuleDirectory* function will return me the full directory where
current C++ module was loaded from.
I tried to use current directory from the OS but it seems to be the path
where the app.js lives.
As a quick fix, a put external files to the root of node.js app, but I feel
uneasy with this solution. What I'd like to achieve is the following
structure:
/cloudcv
- node_modules
- cloudcvbackend
- build
- Release
- cloudcv.node
- my_file_name.xml
So when the app will load cloudcv.node, *getModuleDirectory() *should
return *"/cloudcv/node_modules/cloudcvbackend/build/Release/"*.
Thank in advance,
Eugene.
PS: You can take a look on working example here: http://cloudcv.io/
And sources are here:
https://github.com/BloodAxe/CloudCV
https://github.com/BloodAxe/CloudCVBackend
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