> 
>      I want to ask one question about covering text to xml 
> file. Is there any way to attach a schema to a text document 
> and parse it into xml according the rules defined in the 
> schema? Can I find such kind a tool, otherwise I plan to 
> write one myself. Please give me some references. Thanks.
> 

You can use a compiler-compiler such as JavaCC or Yacc to define the grammar
for the text file, and to generate a parser in the appropriate language; by
defining appropriate events for the parser you can then cause the output to
be XML.

However, most text files containing data have a syntax that can be described
using regular expressions, and if this is this case it's probably more
convenient to use the XSLT 2.0 functions unparsed-text() and
analyze-string() to read and parse the text.

Regards,

Michael Kay
http://www.saxonica.com/
http://twitter.com/michaelhkay 


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