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Posted to c-dev@xerces.apache.org by "Boris Kolpackov (JIRA)" <xe...@xml.apache.org> on 2008/08/06 16:50:44 UTC
[jira] Created: (XERCESC-1825) Default value of QName type with
non-empty prefix causes segfault
Default value of QName type with non-empty prefix causes segfault
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Key: XERCESC-1825
URL: https://issues.apache.org/jira/browse/XERCESC-1825
Project: Xerces-C++
Issue Type: Bug
Components: Validating Parser (XML Schema)
Affects Versions: 2.8.0, 3.0.0
Reporter: Boris Kolpackov
Priority: Critical
Fix For: 3.1.0
See the attached test case. I am not even sure why we try to resolve the prefix in the default value in the context of schema. I always thought (perhaps wrongly) that those must resolve only in the context of the instance document.
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[jira] Updated: (XERCESC-1825) Default value of QName type with
non-empty prefix causes segfault
Posted by "Boris Kolpackov (JIRA)" <xe...@xml.apache.org>.
[ https://issues.apache.org/jira/browse/XERCESC-1825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Boris Kolpackov updated XERCESC-1825:
-------------------------------------
Attachment: test.xml
test.xsd
> Default value of QName type with non-empty prefix causes segfault
> -----------------------------------------------------------------
>
> Key: XERCESC-1825
> URL: https://issues.apache.org/jira/browse/XERCESC-1825
> Project: Xerces-C++
> Issue Type: Bug
> Components: Validating Parser (XML Schema)
> Affects Versions: 2.8.0, 3.0.0
> Reporter: Boris Kolpackov
> Priority: Critical
> Fix For: 3.1.0
>
> Attachments: test.xml, test.xsd
>
>
> See the attached test case. I am not even sure why we try to resolve the prefix in the default value in the context of schema. I always thought (perhaps wrongly) that those must resolve only in the context of the instance document.
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[jira] Resolved: (XERCESC-1825) Default value of QName type with
non-empty prefix causes segfault
Posted by "Alberto Massari (JIRA)" <xe...@xml.apache.org>.
[ https://issues.apache.org/jira/browse/XERCESC-1825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alberto Massari resolved XERCESC-1825.
--------------------------------------
Resolution: Fixed
Assignee: Alberto Massari (was: cargilld)
> Default value of QName type with non-empty prefix causes segfault
> -----------------------------------------------------------------
>
> Key: XERCESC-1825
> URL: https://issues.apache.org/jira/browse/XERCESC-1825
> Project: Xerces-C++
> Issue Type: Bug
> Components: Validating Parser (XML Schema)
> Affects Versions: 2.8.0, 3.0.0
> Reporter: Boris Kolpackov
> Assignee: Alberto Massari
> Priority: Critical
> Fix For: 3.1.0
>
> Attachments: test.xml, test.xsd
>
>
> See the attached test case. I am not even sure why we try to resolve the prefix in the default value in the context of schema. I always thought (perhaps wrongly) that those must resolve only in the context of the instance document.
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[jira] Commented: (XERCESC-1825) Default value of QName type with
non-empty prefix causes segfault
Posted by "cargilld (JIRA)" <xe...@xml.apache.org>.
[ https://issues.apache.org/jira/browse/XERCESC-1825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12622562#action_12622562 ]
cargilld commented on XERCESC-1825:
-----------------------------------
Looks like when a qname is in an attribute there is a ValidationContext (in element it isn't) and the code is only checking to see if there is an fContext. That check needs to be updated to also see if there is a valid value for ElemStack.
A less clean hack is to change:
bool ValidationContextImpl::isPrefixUnknown(XMLCh* prefix) {
bool unknown = false;
if (XMLString::equals(prefix, XMLUni::fgXMLNSString)) {
return true;
}
else if (!XMLString::equals(prefix, XMLUni::fgXMLString)) {
if (fElemStack == 0) return false;
unsigned int uriId = fElemStack->mapPrefixToURI(prefix, (ElemStack::MapModes) ElemStack::Mode_Element, unknown);
}
return unknown;
}
Adding in the if (fElemStack == 0) return false; line. I prefer to add a hasElemStack method to ValidationContext.
> Default value of QName type with non-empty prefix causes segfault
> -----------------------------------------------------------------
>
> Key: XERCESC-1825
> URL: https://issues.apache.org/jira/browse/XERCESC-1825
> Project: Xerces-C++
> Issue Type: Bug
> Components: Validating Parser (XML Schema)
> Affects Versions: 2.8.0, 3.0.0
> Reporter: Boris Kolpackov
> Assignee: cargilld
> Priority: Critical
> Fix For: 3.1.0
>
> Attachments: test.xml, test.xsd
>
>
> See the attached test case. I am not even sure why we try to resolve the prefix in the default value in the context of schema. I always thought (perhaps wrongly) that those must resolve only in the context of the instance document.
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[jira] Assigned: (XERCESC-1825) Default value of QName type with
non-empty prefix causes segfault
Posted by "cargilld (JIRA)" <xe...@xml.apache.org>.
[ https://issues.apache.org/jira/browse/XERCESC-1825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
cargilld reassigned XERCESC-1825:
---------------------------------
Assignee: cargilld
> Default value of QName type with non-empty prefix causes segfault
> -----------------------------------------------------------------
>
> Key: XERCESC-1825
> URL: https://issues.apache.org/jira/browse/XERCESC-1825
> Project: Xerces-C++
> Issue Type: Bug
> Components: Validating Parser (XML Schema)
> Affects Versions: 2.8.0, 3.0.0
> Reporter: Boris Kolpackov
> Assignee: cargilld
> Priority: Critical
> Fix For: 3.1.0
>
> Attachments: test.xml, test.xsd
>
>
> See the attached test case. I am not even sure why we try to resolve the prefix in the default value in the context of schema. I always thought (perhaps wrongly) that those must resolve only in the context of the instance document.
--
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