[ expat-Bugs-946222 ] error message

Bugs item #946222, was opened at 2004-05-02 00:02
Message generated for change (Comment added) made by fdrake
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Category: None
Group: Feature Request
>Status: Closed
>Resolution: Fixed
Priority: 5
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Karl Waclawek (kwaclaw)
Summary: error message

Initial Comment:
I use tcl tdom that uses the expat lib. I was told that 
the error of xml parsing comes from the expat live
 when there is parsing error I wished the error Info would 
be a bit 
 more informative.
 for example:
  dom parse <test><a><b><c></c></a></test>
 error "mismatched tag" at line 1 character 21
 "test><a><b><c></c></a <--Error-- ></test>"
 
 will be better if it was like microsoft explorer error:
 
 End tag 'a' does not match the start tag 'b'. Error 
rocessing 
 resource 'file:///C:/Documents and 
 Settings/Administrator/Desktop/test.xml'. Line 1, 
Position 22 
 
 <test><a><b><c></c></a></test>
 ---------------------^
 you can know immediatly that tag b was not closed.



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>Comment By: Fred L. Drake, Jr. (fdrake)
Date: 2004-07-15 19:35

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This is good.  I've updated the unit tests to reflect the
new error codes where applicable.

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Comment By: Karl Waclawek (kwaclaw)
Date: 2004-05-18 09:56

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Committed additional error codes and messages.
See expat.h rev. 1.69 and xmlparse.c rev. 1.134.

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Comment By: Karl Waclawek (kwaclaw)
Date: 2004-05-02 13:51

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The attached patch MoreErrors.diff (against current CVS)
adds a few more error codes in place of the generic
XML_ERROR_SYNTAX.

I leave this issue open for review before committing the
patch. Fred, please have a look as well.

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Comment By: Karl Waclawek (kwaclaw)
Date: 2004-05-02 08:31

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In principle you are correct, the error messages, and more so, 
the error codes, in Expat are not informative enough. Often
you just get a syntax error.

In this case, however, I would say the message is quite clear.

Nevertheless, the really correct way for an application would
be to just use the error code and generate a localized and/or
application specific error message based on this code.

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