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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=14998

Cleaning the GrammarRegistry on reusing the grammar

           Summary: Cleaning the GrammarRegistry on reusing the grammar
           Product: Xerces-C++
           Version: Nightly build (please specify the date)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: Validating Parser (Schema) (Xerces 1.5 or up only)
        AssignedTo: [EMAIL PROTECTED]
        ReportedBy: [EMAIL PROTECTED]


I have the problem when working with the following scenario:

1. Parsing the XML document. Tells the parser to cache the grammar on parse:
   parse.cacheGrammarFromParse(true);
   parse.parse(...)

2. Parsing another XML Document with the same parser, and asking it to reuse 
the grammar. Also wants to continue caching another possible grammars:
   parse.useCachedGrammarInParse(true);
   parse.parse(...)

Each parse begins with the following method: fScanner->scanDocument(source);
It does:
- scanReset(src);
--fGrammarResolver->cacheGrammarFromParse(fToCacheGrammar);
--fGrammarResolver->useCachedGrammarInParse(fUseCachedGrammar);
both fToCacheGrammar and fUseCachedGrammar are true

GrammarResolver::cacheGrammarFromParse() calls:
---fGrammarRegistry->removeAll();

So, all that we have previously cached, is destroyed
I'm not sure that is the behaviour by default.

If I wrong, please explain the cache mechanism (usage) and close this bug as 
the invalid

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