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65 lines
2.8 KiB
Plaintext
65 lines
2.8 KiB
Plaintext
=========================
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XML/Ada NEW FEATURES LIST
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=========================
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Copyright (C) 2001-2012, AdaCore
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This file contains a list of new features introduced in XML/Ada.
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A full description of all GPS features can be found in the XML/Ada
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documentation.
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An ISO date (YYYY-MM-DD) appears in parentheses after the
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description line. This date shows the implementation date
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of the feature.
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Compatibility with previous releases
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------------------------------------
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This new release introduces a few changes to the API for schema
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validation. In particular, the calls to Global_Check that were
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previously needed in some cases to detect missing declarations in the
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XSD files are no longer necessary.
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The Set_Validating_Grammar and Set_Created_Grammar subprograms were
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merged into Set_Grammar.
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Get_Created_Grammar was renames to Get_Grammar.
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In case of validation error, Parse raises the exception XML_Validation_Error
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as before; the text of the error message is no longer retrieved through
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Exception_Message (where GNAT limits its length), but through a new subprogram
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Get_Error_Message.
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Various optimizations were performed on the code (impacting all modules,
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but especially the schema validation). They significantly reduce the number
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of calls to malloc and memcpy by using a symbol table rather than access
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to strings. These symbols are also made available to you through new
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callbacks (Start_Element, End_Element,...) with different profiles. A new
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tagged type Sax_Reader was added for that purpose. Existing code based on
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Reader will still work, although it will be less efficient in most cases.
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New features in version 4.0
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---------------------------
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NF-40-J818-003 Unicode: new exception Incomplete_Encoding (2010-08-31)
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A new exception was defined in the unicode module. This exception is
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used to distinguish between cases where we might simply be missing
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some characters (and thus should wait for more) with cases where the
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encoding is indeed invalid.
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NF-40-J610-021 XML/Ada is compatible with pragma Ravenscar (2010-06-29)
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XML/Ada is now compatible with the ravenscar profile
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NF-40-J302-043 New exception XML_Not_Implemented (2010-03-24)
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A new exception is raised when using a schema (.xsd) validator, and
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the schema uses features that are not supported by XML/Ada.
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Unsupported features are: xsd:key elements, IDREF and IDREFS types,
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various forms of regexps, and redefine.
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It is also possible to explicitly disable support for some features
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to make sure the subset of Schema you use is fully supported by
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XML/Ada and passes all relevant tests of the W3C testsuite
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The W3C committee has reviewed the status of some of their schema
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tests since their last release. Support was added to use this latest
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version. See the README file for information on the setup.
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