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279 lines
11 KiB
Plaintext
279 lines
11 KiB
Plaintext
124907 HTML parse buffer problem when parsing larse in-memory docs
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124110 DTD validation && wrong namespace
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123564 xmllint --html --format
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TODO for the XML parser and stuff:
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==================================
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$Id$
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this tend to be outdated :-\ ...
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DOCS:
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=====
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- use case of using XInclude to load for example a description.
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order document + product base -(XSLT)-> quote with XIncludes
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HTML output with description of parts <---(XSLT)--
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TODO:
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=====
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- XInclude at the SAX level (libSRVG)
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- fix the C code prototype to bring back doc/libxml-undocumented.txt
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to a reasonable level
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- Computation of base when HTTP redirect occurs, might affect HTTP
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interfaces.
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- Computation of base in XInclude. Relativization of URIs.
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- listing all attributes in a node.
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- Better checking of external parsed entities TAG 1234
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- Go through erratas and do the cleanup.
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http://www.w3.org/XML/xml-19980210-errata ... started ...
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- jamesh suggestion: SAX like functions to save a document ie. call a
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function to open a new element with given attributes, write character
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data, close last element, etc
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+ inversted SAX, initial patch in April 2002 archives.
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- htmlParseDoc has parameter encoding which is not used.
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Function htmlCreateDocParserCtxt ignore it.
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- fix realloc() usage.
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- Stricten the UTF8 conformance (Martin Duerst):
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http://www.w3.org/2001/06/utf-8-test/.
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The bad files are in http://www.w3.org/2001/06/utf-8-wrong/.
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- xml:id normalized value
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TODO:
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=====
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- move all string manipulation functions (xmlStrdup, xmlStrlen, etc.) to
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global.c. Bjorn noted that the following files depends on parser.o solely
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because of these string functions: entities.o, global.o, hash.o, tree.o,
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xmlIO.o, and xpath.o.
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- Optimization of tag strings allocation ?
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- maintain coherency of namespace when doing cut'n paste operations
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=> the functions are coded, but need testing
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- function to rebuild the ID table
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- functions to rebuild the DTD hash tables (after DTD changes).
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EXTENSIONS:
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===========
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- Tools to produce man pages from the SGML docs.
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- Add Xpointer recognition/API
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- Add Xlink recognition/API
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=> started adding an xlink.[ch] with a unified API for XML and HTML.
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it's crap :-(
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- Implement XSchemas
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=> Really need to be done <grin/>
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- datatype are complete, but structure support is very limited.
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- extend the shell with:
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- edit
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- load/save
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- mv (yum, yum, but it's harder because directories are ordered in
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our case, mvup and mvdown would be required)
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Done:
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=====
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- Add HTML validation using the XHTML DTD
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- problem: do we want to keep and maintain the code for handling
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DTD/System ID cache directly in libxml ?
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=> not really done that way, but there are new APIs to check elements
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or attributes. Otherwise XHTML validation directly ...
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- XML Schemas datatypes except Base64 and BinHex
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- Relax NG validation
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- XmlTextReader streaming API + validation
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- Add a DTD cache prefilled with xhtml DTDs and entities and a program to
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manage them -> like the /usr/bin/install-catalog from SGML
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right place seems $datadir/xmldtds
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Maybe this is better left to user apps
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=> use a catalog instead , and xhtml1-dtd package
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- Add output to XHTML
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=> XML serializer automatically recognize the DTd and apply the specific
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rules.
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- Fix output of <tst val="x
y"/>
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- compliance to XML-Namespace checking, see section 6 of
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http://www.w3.org/TR/REC-xml-names/
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- Correct standalone checking/emitting (hard)
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2.9 Standalone Document Declaration
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- Implement OASIS XML Catalog support
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http://www.oasis-open.org/committees/entity/
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- Get OASIS testsuite to a more friendly result, check all the results
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once stable. the check-xml-test-suite.py script does this
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- Implement XSLT
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=> libxslt
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- Finish XPath
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=> attributes addressing troubles
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=> defaulted attributes handling
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=> namespace axis ?
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done as XSLT got debugged
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- bug reported by Michael Meallin on validation problems
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=> Actually means I need to add support (and warn) for non-deterministic
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content model.
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- Handle undefined namespaces in entity contents better ... at least
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issue a warning
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- DOM needs
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int xmlPruneProp(xmlNodePtr node, xmlAtttrPtr attr);
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=> done it's actually xmlRemoveProp xmlUnsetProp xmlUnsetNsProp
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- HTML: handling of Script and style data elements, need special code in
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the parser and saving functions (handling of < > " ' ...):
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http://www.w3.org/TR/html4/types.html#type-script
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Attributes are no problems since entities are accepted.
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- DOM needs
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xmlAttrPtr xmlNewDocProp(xmlDocPtr doc, const xmlChar *name, const xmlChar *value)
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- problem when parsing hrefs with & with the HTML parser (IRC ac)
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- If the internal encoding is not UTF8 saving to a given encoding doesn't
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work => fix to force UTF8 encoding ...
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done, added documentation too
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- Add an ASCII I/O encoder (asciiToUTF8 and UTF8Toascii)
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- Issue warning when using non-absolute namespaces URI.
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- the html parser should add <head> and <body> if they don't exist
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started, not finished.
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Done, the automatic closing is added and 3 testcases were inserted
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- Command to force the parser to stop parsing and ignore the rest of the file.
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xmlStopParser() should allow this, mostly untested
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- support for HTML empty attributes like <hr noshade>
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- plugged iconv() in for support of a large set of encodings.
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- xmlSwitchToEncoding() rewrite done
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- URI checkings (no fragments) rfc2396.txt
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- Added a clean mechanism for overload or added input methods:
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xmlRegisterInputCallbacks()
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- dynamically adapt the alloc entry point to use g_alloc()/g_free()
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if the programmer wants it:
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- use xmlMemSetup() to reset the routines used.
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- Check attribute normalization especially xmlGetProp()
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- Validity checking problems for NOTATIONS attributes
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- Validity checking problems for ENTITY ENTITIES attributes
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- Parsing of a well balanced chunk xmlParseBalancedChunkMemory()
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- URI module: validation, base, etc ... see uri.[ch]
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- turn tester into a generic program xmllint installed with libxml
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- extend validity checks to go through entities content instead of
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just labelling them PCDATA
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- Save Dtds using the children list instead of dumping the tables,
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order is preserved as well as comments and PIs
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- Wrote a notice of changes requires to go from 1.x to 2.x
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- make sure that all SAX callbacks are disabled if a WF error is detected
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- checking/handling of newline normalization
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http://localhost/www.xml.com/axml/target.html#sec-line-ends
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- correct checking of '&' '%' on entities content.
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- checking of PE/Nesting on entities declaration
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- checking/handling of xml:space
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- checking done.
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- handling done, not well tested
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- Language identification code, productions [33] to [38]
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=> done, the check has been added and report WFness errors
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- Conditional sections in DTDs [61] to [65]
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=> should this crap be really implemented ???
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=> Yep OASIS testsuite uses them
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- Allow parsed entities defined in the internal subset to override
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the ones defined in the external subset (DtD customization).
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=> This mean that the entity content should be computed only at
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use time, i.e. keep the orig string only at parse time and expand
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only when referenced from the external subset :-(
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Needed for complete use of most DTD from Eve Maler
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- Add regression tests for all WFC errors
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=> did some in test/WFC
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=> added OASIS testsuite routines
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http://xmlsoft.org/conf/result.html
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- I18N: http://wap.trondheim.com/vaer/index.phtml is not XML and accepted
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by the XML parser, UTF-8 should be checked when there is no "encoding"
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declared !
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- Support for UTF-8 and UTF-16 encoding
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=> added some convertion routines provided by Martin Durst
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patched them, got fixes from @@@
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I plan to keep everything internally as UTF-8 (or ISO-Latin-X)
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this is slightly more costly but more compact, and recent processors
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efficiency is cache related. The key for good performances is keeping
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the data set small, so will I.
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=> the new progressive reading routines call the detection code
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is enabled, tested the ISO->UTF-8 stuff
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- External entities loading:
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- allow override by client code
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- make sure it is alled for all external entities referenced
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Done, client code should use xmlSetExternalEntityLoader() to set
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the default loading routine. It will be called each time an external
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entity entity resolution is triggered.
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- maintain ID coherency when removing/changing attributes
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The function used to deallocate attributes now check for it being an
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ID and removes it from the table.
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- push mode parsing i.e. non-blocking state based parser
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done, both for XML and HTML parsers. Use xmlCreatePushParserCtxt()
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and xmlParseChunk() and html counterparts.
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The tester program now has a --push option to select that parser
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front-end. Douplicated tests to use both and check results are similar.
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- Most of XPath, still see some troubles and occasionnal memleaks.
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- an XML shell, allowing to traverse/manipulate an XML document with
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a shell like interface, and using XPath for the anming syntax
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- use of readline and history added when available
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- the shell interface has been cleanly separated and moved to debugXML.c
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- HTML parser, should be fairly stable now
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- API to search the lang of an attribute
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- Collect IDs at parsing and maintain a table.
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PBM: maintain the table coherency
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PBM: how to detect ID types in absence of DtD !
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- Use it for XPath ID support
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- Add validity checking
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Should be finished now !
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- Add regression tests with entity substitutions
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- External Parsed entities, either XML or external Subset [78] and [79]
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parsing the xmllang DtD now works, so it should be sufficient for
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most cases !
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- progressive reading. The entity support is a first step toward
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asbtraction of an input stream. A large part of the context is still
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located on the stack, moving to a state machine and putting everyting
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in the parsing context should provide an adequate solution.
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=> Rather than progressive parsing, give more power to the SAX-like
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interface. Currently the DOM-like representation is built but
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=> it should be possible to define that only as a set of SAX callbacks
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and remove the tree creation from the parser code.
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DONE
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- DOM support, instead of using a proprietary in memory
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format for the document representation, the parser should
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call a DOM API to actually build the resulting document.
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Then the parser becomes independent of the in-memory
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representation of the document. Even better using RPC's
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the parser can actually build the document in another
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program.
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=> Work started, now the internal representation is by default
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very near a direct DOM implementation. The DOM glue is implemented
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as a separate module. See the GNOME gdome module.
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- C++ support : John Ehresman <jehresma@dsg.harvard.edu>
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- Updated code to follow more recent specs, added compatibility flag
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- Better error handling, use a dedicated, overridable error
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handling function.
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- Support for CDATA.
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- Keep track of line numbers for better error reporting.
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- Support for PI (SAX one).
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- Support for Comments (bad, should be in ASAP, they are parsed
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but not stored), should be configurable.
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- Improve the support of entities on save (+SAX).
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