[C++ Toolkit ANNOUNCE] XmlWrapp (C++ libxml2/libxslt wrapper) -- more functionality added

[Satsky, Sergey (NIH/NLM/NCBI) [C]]

Dear C++ developers,


XmlWrapp library has been extended with:

 - XSD validation support (NEW)
 - DTD validation support (EXTENDED) -- collect *all* validation warnings and error messages
 - DOM and SAX parsers (EXTENDED) -- collect *all* warnings and error messages
 - SAX parser (EXTENDED) -- added more callbacks;  also, now it can be instructed which callbacks should be
 - Exceptions (IMPROVED) -- use xml::exception instead of std::runtime_error


Documentation:
  XML:  http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/namespacexml.html
  XSLT: http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/namespacexslt.html


Best regards,
   - C++ Toolkit Group


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Original announcement:

Dear C++ developers,


The NCBI clone of XmlWrapp library has been extended to also support XPath queries (much as it is supported by the underlying libxml2).

The added XPath-related APIs:
   class xpath_expression:
 http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/classxml_1_1xpath__expression.html
   node_set node::run_xpath_query (const xpath_expression& expr):
 http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/classxml_1_1node.html#b8ed0be468b2866183d491021bb07f34


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The whole XmlWrapp API can be seen in Doxygen:
  XML:  http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/namespacexml.html
  XSLT: http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/namespacexslt.html

The library code is accompanied by a few demo projects (visible only in-house):
  https://svn.ncbi.nlm.nih.gov/viewvc/toolkit/trunk/internal/c++/src/internal/demo/misc/xmlwrapp/
and by (improved and extended) test suite:
  https://svn.ncbi.nlm.nih.gov/viewvc/toolkit/trunk/internal/c++/src/internal/test/misc/xmlwrapp/

The C++ Toolkit makefile tune-ups required to use the library:
  LIB = xmlwrapp
  LIBS = $(LIBXML_LIBS) $(LIBXSLT_LIBS) $(ORIG_LIBS)
  CPPFLAGS= $(LIBXML_INCLUDE) $(LIBXSLT_INCLUDE) $(ORIG_CPPFLAGS)


For the NCBI internal users the library is available at $NCBI/c++.metastable.
Outside users can download it from FTP: ftp://ftp.ncbi.nih.gov/toolbox/ncbi_tools++/MISC/ (UNIX only)
Link to the original libxmlwrapp 0.6.0: http://sourceforge.net/projects/xmlwrapp/

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JIRA:  http://jira.ncbi.nlm.nih.gov/browse/CXX-893, http://jira.ncbi.nlm.nih.gov/browse/CXX-1256
The clone is maintained and developed by:  Sergey Satskiy


Best regards,
   - C++ Toolkit Group
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