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Revert part of commit c5a8aef2 to make it safe to call the default SAX
error handlers directly. This has been deprecated for a long time but
even xmllint still uses these handlers.
Should fix#713.
This is a useful function to get a verbose error report.
Allows to remove duplicated code from runtest.c. Also reactivate check
for schema parser failures.
This should make console output include some information about nodes
again. Note that this extra information must be disabled if a custom
generic error handler was set. Many downstream test suites rely on this
behavior.
Unfortunately, it's long-standing behavior for libxml2 to print all
reported errors to stderr by default. This default behavior is now
partially disabled. If no error handler is set, only parser and
validation errors are passed to a generic error handler or printed to
stderr. Other errors are still available via xmlGetLastError and can be
captured with a structured error handler.
Introduce xmlStrVASPrintf, trying to handle buggy snprintf
implementations.
Introduce xmlSetError to set errors atomically.
Introduce xmlUpdateError to set an error, fixing up node, file and line.
Introduce helper function xmlRaiseMemoryError.
Make legacy error handlers call xmlReportError, avoiding checks in
xmlVRaiseError.
Remove fragile support for getting file and line info from XInclude
nodes.
Don't ignore malloc failures in xmlRaiseError and xmlCopyError.
Don't print filename if context has no input.
Introduce xmlVRaiseError taking a va_list.
This is a slight break of the API, but users really shouldn't modify the
global error struct. The goal is to make xmlLastError use static buffers
for its strings eventually. This should warn people if they're abusing
the struct.
Reporting errors is expensive and some abusive test cases can generate
an error for each invalid input byte. This causes the parser to spend
most of the time with error handling. Limit the number of errors and
warnings to 100.
Private functions were previously declared
- in header files in the root directory
- in public headers guarded with IN_LIBXML
- in libxml.h
- redundantly in source files that used them.
Consolidate all private header files in include/private.
When reporting errors, don't use href of xi:include if xi:fallback
was used. I think this can only be reproduced with
"xmllint --postvalid", see the original bug report:
https://bugzilla.gnome.org/show_bug.cgi?id=152623
It seems that setting up both xmlTextReaderSetStructuredErrorHandler and
xmlSetStructuredErrorFunc confuses the code around error.c:592 and following
This patch works with any combinations of using xmlSetStructuredErrorFunc,
xmlTextReaderSetStructuredErrorHandler, both, or none.
Things now work correctly at the xmllint level:
thinkpad:~/XML -> xmllint --sax --noout --schema test_schema.xsd
test_xml.xml
test_xml.xml:72721: Schemas validity error : Element 'level1': Missing
child element(s). Expected is ( level2 ).
test_xml.xml fails to validate
thinkpad:~/XML -> xmllint --stream --schema test_schema.xsd test_xml.xml
test_xml.xml:72721: Schemas validity error : Element 'level1': Missing
child element(s). Expected is ( level2 ).
test_xml.xml fails to validate
thinkpad:~/XML ->
* error.c: fix a corner case of not reporting lines when we should
* include/libxml/xmlschemas.h doc/symbols.xml: had to add new entry
points to set the filename on a validation context and a locator
callback used to fetch the line and file from the context
* xmlschemas.c: add the new entry points xmlSchemaValidateSetFilename()
and xmlSchemaValidateSetLocator(), plus make sure the error reporting
routine gets the information if available. Add a locator for SAX.
* xmlreader.c: add and plug a locator for readers.
Fix the lack of line number as reported by Johan Corveleyn <jcorvel@gmail.com>
* parser.c include/libxml/parser.h: add an XML_PARSE_BIG_LINES parser
option not switch on by default, it's an opt-in
* SAX2.c: if XML_PARSE_BIG_LINES is set store the long line numbers
in the psvi field of text nodes
* tree.c: expand xmlGetLineNo to extract those informations, also
make sure we can't fail on recursive behaviour
* error.c: in __xmlRaiseError, if a node is provided, call
xmlGetLineNo() if we can't get a valid line number.
* xmllint.c: switch on XML_PARSE_BIG_LINES in xmllint
* uri.c: cleanup the code doing the allocations, set up a structured
error handler to report memory errors, and set up an abitrary
limit on URI saving size
* error.c include/libxml/xmlerror.h: add a new FROM_URI indication
for structured error reporting, also adding strings for schematron
and buffer which were missing
If the structured callback channel is initialized, do not perform
unneeded initialization of the old callback channel to avoid
clobbering of the structured callback channel's data.
* SAX2.c dict.c error.c hash.c nanohttp.c parser.c python/libxml.c
relaxng.c runtest.c tree.c valid.c xinclude.c xmlregexp.c xmlsave.c
xmlschemas.c xpath.c xpointer.c: mostly removing unneded affectations,
but this led to a few real bugs and some part not yet understood
(relaxng/interleave)
* include/libxml/globals.h globals.c global.data: define a new global
variable (per thread) for structured error reporting, to not conflict
with generic one
* error.c: when defined use the structured error report over any generic
one
