阿拉伯语呈现形式B都支持在C＃ [英] Arabic presentation forms B support in c#

问题描述

使用C＃中的编码的API我试图为从UTF-8将文件转换为阿拉伯语，1265 编码，但我遇到了一些字符不会转换正确，如لا一个奇怪的问题在下面的语句محمدصلاحعادل显示为محمدص？حعادل。我的一些朋友告诉我，这是因为这些字符是从阿拉伯语呈现形式B.我使用记事本++创建的文件并将其保存为UTF-8。

I was trying to convert a file from utf-8 to Arabic-1265 encoding using the Encoding APIs in C#, but I faced a strange problem that some characters are not converted correctly such as "لا" in the following statement "ﻣﺣﻣد ﺻﻼ ح عادل" it appears as "ﻣﺣﻣد ﺻ? ح عادل". Some of my friends told me that this is because these characters are from the Arabic Presentation Forms B. I create the file using notepad++ and save it as utf-8.

在这里是我使用

    StreamReader sr = new StreamReader(@"C:\utf-8.txt", Encoding.UTF8);
    string str = sr.ReadLine();
    StreamWriter sw = new StreamWriter(@"C:\windows-1256.txt", false, Encoding.GetEncoding("windows-1256"));
    sw.Write(str);
    sw.Flush();
    sw.Close();

不过，我不知道如何正确使用这种呈现形式在C＃转换文件。

But, I don't know how to convert the file correctly using this presentation forms in C#.

推荐答案

是的，你的字符串包含大量无法在1256代码页中表示连字。你必须写它之前分解字符串。像这样的：

Yes, your string contains lots of ligatures that cannot be represented in the 1256 code page. You'll have to decompose the string before writing it. Like this:

  str = str.Normalize(NormalizationForm.FormKD);
  st.Write(str);

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