z/OS XML System Services features

The following is a list of features provided by z/OS XML System Services. References to additional information on the various features are provided where appropriate:

• An external C and C++ API, see z/OS XML XL C/C++ API
• An external assembler API, see z/OS XML parser API: Assembler
• Support for AMODE 31- and 64-bit callers with data above or below the bar.
• Support for UTF-8, UTF-16 (big endian only), IBM-1047, IBM-037, and several other encodings. See Encoding support for more information.
• XML processing features
  • Parsing with schema validation (validation with DTD not supported)
  • Parsing document fragments, see Parsing XML document fragments with validation
  • Parsing of Extensible Dynamic Binary XML (XDBX) streams with validation, see Parsing XDBX input streams
  • Support in the parsed data stream for offsets back into the original source document
  • Optionally return fully qualified element names in end element records
  • Support for XML 1.0 (fourth edition) and XML 1.1 (second edtion).
  • Newline normalization, see EBCDIC encoding considerations
  • Attribute value normalization
  • Omit or return comments in the parsed data stream
  • Optionally return significant white space in unique white space records (instead of character data records)
  • Support for namespaces in XML 1.0 (second edition) and XML 1.1, see Namespace declarations
  • Entity resolution, see Resolving entity references
  • Partial DTD processing, see Processing DTDs
  • Dynamic discovery of schema location information, see Obtaining information on schema locations
  • Restrict the root element name, see Restricting the root element name
  • Support for obtaining additional error information on a validating parse, see Obtaining additional error information.
  • Support to continue a non-validating parse when an undefined prefix is encountered.
• User exits for system services, see z/OS XML System Services exit interface
• Query service for determining document characteristics, see Querying XML documents
• Diagnostic support (Diagnosis and problem determination), including:
  • Diagnostic area, see Diagnostic Area
  • Slip trap support, see SLIP trap for return codes from the z/OS XML parser
  • ARR recovery routine, see ARR recovery routine
  • IPCS formatting, see XMLDATA IPCS subcommand
• Segmented input and output (the entire document does not have to reside in a single buffer), see Spanning buffers
• Mapping macro interfaces for parsed data
• Enable offload to specialty engines