E2-67 not fully implemented; rejecting regular expressions like [-], [^-]
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Key: XERCESJ-1265
URL: https://issues.apache.org/jira/browse/XERCESJ-1265
Project: Xerces2-J
Issue Type: Bug
Components: XML Schema Structures
Affects Versions: 2.9.0
Reporter: Michael Glavassevich
Priority: Minor
Current behaviour:
Regex Expected Actual Reason
[b-a] I I backwards
[--+] I I '-' can't be used in a s-e range
[+--] I I '-' can't be used in a s-e range
[-+] V V '-' is at the beginning of a positive character range
(PCR)
[+-] V V '-' is at the end of a (PCR)
[^-+] V V '-' is at the beginning of a (PCR)
[^+-] V V '-' is at the end of a (PCR)
[-] V I '-' is at the beginning/end of a (PCR)
[^-] V I '-' is at the beginning/end of a (PCR)
[--] V I '-' is at the beginning and end of a (PCR)
[^--] V I '-' is at the beginning and end of a (PCR)
[---] I I '-' can't be used in a s-e range
V = valid
I = invalid
The current version of Xerces in SVN gives the wrong answer for 4 cases.
This was originally reported as a bug against Eclipse XSD. See
https://bugs.eclipse.org/bugs/show_bug.cgi?id=197103 for more details.
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