Re: Problem with Non ASCII character and F-Spot.

[Stephane Delcroix <stephane delcroix org>]

Crash in mid-air detected !

I investigate this problem in the same time as you !!! but posted my
solution 5 min after yours !

don't change anything in SemWeb, but use Value instead of ToString

Stephane

On Tue, 2006-07-25 at 18:35 +0530, Cosme Sevestre wrote:
> Hi
> 
> I had the same problem and tracked down the issue.  Here is the deal:
> 
> - in XmpTagsMetadata.cs, the function Read() loops on the
> SemWeb.Statement in the store and reads what is stored in each
> statement's "object":
>    string stmt_obj_str = stmt.Object.ToString();
> 
> - Now this "object" is a Resource, more precisely here the Literal
> implementation of Resource (see semweb/Resource.cs).
> 
> - Let's look at what the ToString() function does for a Literal:
>   [...]
> ret.Append('"');
> ret.Append(N3Writer.Escape(Value));
> ret.Append('"');
>   [...]
> 
>   Here we have two interesting things: the extra quotes used by the
> XMP patch to find the string and remove the Language and DataType
> appended by ToString() (see end of the function) and the
> "N3Writer.Escape" thingy.
> 
> - The original string (Value) is encoded as specified by the N-Triples
> format for RDF [1].  So for example, 'é' which would be stored in the
> XML as 'é' will be changed into '\u00E9' :-(.
> 
> The bad news is the getter for Value is not accessible, so no easy
> fix... I was able to have the tags imported properly by simply
> changing the line:
> 
> ret.Append(N3Writer.Escape(Value));
> 
> into:
> 
> ret.Append(Value);
> 
> I am not sure modifying SemWeb is the best thing to do though.  Any ideas?
> 
> --
> Cosme
> 
> ----
> [1] http://www.w3.org/TR/rdf-testcases/#ntriples
> 
> On 7/7/06, Stephane Delcroix <stephane delcroix org> wrote:
> > Bengt,
> >
> > confirmed also for french tags (like ones with 'ç')
> > i'll also try to find out why...
> >
> > S
> > [...]
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-- 
Stephane Delcroix
stephane delcroix org