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Re: detecting character set of an XML doc

• From: "Rick Jelliffe" <ricko@a...>
• To: <xml-dev@i...>
• Date: Fri, 18 Jun 1999 02:45:11 +1000

From: Dirk Germonpre <dirkg@t...>

> If I'm writing an XML tool, how can I detect what character set is
used for
an XML document? I've read that for UTF-16, an encoding signature
(xFEFF)
is used at the beginning of the document. Is there a different encoding
signature for each character set? If so, where can I find documentation
on
this?

Character sets are determined by a sequence. First, the character family
(signature) is detected:
    * UTf-16 little-endian (from the BOM)
    * UTF-16 big-endian (from the BOM)
    * EBCDIC family
    * ASCII family
Then the encoding declaration is read, enough to read in the encoding
attribute.

> Where can I find encoders and decoders for C++ to convert to and from
unicode?

Try GNU libc's iconv() routine if you need a transcoding routines. That
is available free.

Rick Jelliffe



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