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Use MemScan without callback function (return num of result)

 
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Kamd
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PostPosted: Fri Dec 14, 2018 9:18 pm    Post subject: Use MemScan without callback function (return num of result) Reply with quote

I am using the MemScan functionality in CE Lua to scan and replace strings, and once done to return the number of results that were found/changed.

It does not work if I try return the number of results inside the onScanDone callback function.

So my question is, how can I not use this callback function so I can return the number of results from the executed function.

Here is my relevant code:
Code:

function strScanReplace(find, replace)
    ms = createMemScan()

    ms.firstScan(...)

    ms.onScanDone = (...) -- Can't use callback to return?
    --ms.waitUntilDone() ?
    f = createFoundList(ms)
    f.initialize()

    -- .. do my stuff ..

    return f.Count
end

replaced = strScanReplace("hey", "bye")
print("You have replaced " .. replaced .. " results")
-- e.g: You have replaced 5 results
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Dark Byte
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PostPosted: Sat Dec 15, 2018 2:11 am    Post subject: Reply with quote

in onScanDone you still need to create a foundlist and use that to get the count
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Kamd
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PostPosted: Sat Dec 15, 2018 9:52 pm    Post subject: Reply with quote

Dark Byte wrote:
in onScanDone you still need to create a foundlist and use that to get the count


I understand this, it's what I currently do. It's just a bad workflow for me in using callback functions.

So I was wondering if it is possible to not use callback, and wait in the initial function until the scan is done. I guess this isn't possible.

Thanks anyways.

Maybe it's possible to set variable to true in the callback function to indicate it's ready in the main function, but it's probably even worse to keep checking variable until it's true.
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Dark Byte
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PostPosted: Sun Dec 16, 2018 1:50 am    Post subject: Reply with quote

have you looked into what that commented out line waitUntilDone does ?
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Kamd
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PostPosted: Sun Dec 16, 2018 7:29 pm    Post subject: Reply with quote

Dark Byte wrote:
have you looked into what that commented out line waitUntilDone does ?


Just an example I wrote to try get my point across better, unfortunately the function does not exist.
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Dark Byte
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PostPosted: Mon Dec 17, 2018 1:23 am    Post subject: Reply with quote

try ms.waitTillDone()

(read celua.txt)

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