[SOLVED] Convert C# code to C++/Qt

[Jyang772]

I need some help convert this C# code to C++/Qt. It encodes a string to Windows-1252 encoded byte array, then decodes it to a string as if it where UTF-8 encoded.

This works fine in C#.

@
string input = "....";
input = Encoding.UTF8.GetString(Encoding.GetEncoding(1252).GetBytes(input));
@

Output:
@?>>%>???>>%>???>>%>???>>%>???>>%>???>>%>???>>%>???>>%>???>>%>???>>%>???>>%

???>>%>???>>%>???>>%>???>>%>???>>%>???>>%>???>>%>???>>%>???>>%>???>>%>???>>?>%%
%???>>%>???>>?>?%%??>>%>???%%????`@

When I attempt to save this in a file, I get the second output. But when I print 'input' in the console, it appears as such. This is what I need to work with.

My Qt code:

@
QTextEncoder* encoder = QTextCodec::codecForName("Windows-1252")->makeEncoder();
QTextDecoder *decoder = QTextCodec::codecForName("UTF-8")->makeDecoder();

QByteArray outputData = encoder->fromUnicode(input);
input = decoder->toUnicode(outputData,outputData.length());

@

Output:
@
※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‱›‰‰‰‸‱※››‰›‱‭※››‱›‶‰‰‸※››‰›‱‭※‰‰‵‷‱※‵
@

[andreyc]

Is original string a Unicode string ?

[Jyang772]

The original string was encoded with UTF-8.

@※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‰›‱‭※››‱›‰‰‰‸‱※››‰›‱‭※››‱›‶‰‰‸※››‰›‱‭※‰‰‵‷‱※‵※‵@

Sorry, this probably seems meaningless to you, but the string is, I believe, obfuscated.

This is how the string is encoded in C#.

@
string toreturn = "";

    for (int i = input.Length - 1; i >= 0; i--)
    {
        toreturn += (char) (input[i] + 32 + 8160);
    }

    toreturn = Encoding.Default.GetString(Encoding.UTF8.GetBytes(toreturn));
    return toreturn;
}

@

[andreyc]

So, you take UTF-8 string convert it to Windows-1252 and then back to UTF-8
Is it right?

[quote]When I attempt to save this in a file, I get the second output. But when I print ‘input’ in the console, it appears as such. This is what I need to work with. [/quote]
I guess that a console supports UTF-8 and displays UTf-8 characters as they should look. Looks like I don't understand what the problem is.
What do you expect to see and how do you need to use it?

[hskoglund]

Isn't this question the same as http://qt-project.org/forums/viewthread/45558/ ?

[Jyang772]

[quote author="andreyc" date="1406653506"]So, you take UTF-8 string convert it to Windows-1252 and then back to UTF-8
Is it right?

[quote]When I attempt to save this in a file, I get the second output. But when I print ‘input’ in the console, it appears as such. This is what I need to work with. [/quote]
I guess that a console supports UTF-8 and displays UTf-8 characters as they should look. Looks like I don't understand what the problem is.
What do you expect to see and how do you need to use it?
[/quote]

I expect the unicode for the characters in the output of the Qt program to be the same as that in the C# program.

EDIT

facepalm

I just answered my own question....

Thank you for helping me take a step back.