MSXML2: Technology Preview

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MSXML2 Technology Preview
Charlie Heinemann Program Manager XML
Technologies Microsoft Corporation
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Agenda

• XML in Windows 2000
• MSXML Technology Preview (1/26)
• MSXML Technology Preview Update (3/15)
• MSXML in Production

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XML in Win 2000 Part 1

• XML 1.0 Compliant Parser
• Object Model Support
• DOM 1.0
• Querying (selectNodes)
• Transforms (transformNode)
• Direct Browsing of XML files
• View XML files in the browser
• Associate XML files with stylesheets

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XML in Win 2000 Part 2

• Snapshot of XSL WG Activity
• Snapshot of Schema WG Activity
• XML-Data Reduced Schemas
• Data Types
• Namespace 1.0 Support
• XMLHTTP Object
• XML DSO
• Available as standalone (no IE install)

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XML in Win 2000 Part 3

• Data Types on Attributes
• Positive scaling in multi-processor scenarios
  (80/proc)
• Increased performance under stress

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MSXML Technology Preview (1/26)

• XSLT/XPath subset
• Advanced XML features to optimize middleware
  development
• Better Performance and Reliability

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MSXML Technology Preview Update (3/15)

• Further XSLT/XPath support
• Customer requested features
• Better conformance
• Bug Fixes
• Customer blocking bugs
• Better reliability

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XSLT/XPath Support Standard

• 80 compliance w/ 1/26 release
• 90 compliance w/ 3/15 update
• Named Templates
• HTML/XML/Text Output Methods
• Remaining XPath functions
• Full support to follow

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Demo Part I

• Named Templates
• HTML Output Method

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XSLT/XPath Support Advanced Features

• Passing parameters to stylesheets
• Passing objects to stylesheets
• Caching stylesheets
• Setting the Mode at run-time
• Querying the DOM using XPath

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XSLT Advanced Features Passing Parameters

• xslprocessor.addParameter(myParam, red,
  urnmy-params)
• . . .
• ltxslstylesheet
• xmlnsmyParurnmy params gt
• ltxslparam namemyParmyParam/gt
• ltxsltemplate match/gt
• ltxslvalue-of selectmyParmyParam/gt
• lt/xsltemplategt

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Demo Part II

• Passing Parameters

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XSLT Advanced Features Passing Objects

• xslprocessor.addObject(myObj, urnmy-objects)
• ltxslstylesheet
• xmlnsextObjurnmy-objects gt
• ltxsltemplate match/gt
• ltxslvalue-of
• selectextObjget-color()/gt
• lt/xsltemplategt

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Demo Part III

• Passing Objects

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XPath Function Support

• Node Set Functions
• String Functions
• Number Functions
• Boolean Functions
• XSLT Functions
• generate-id()
• format-number()

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Demo Part IV

• XPath querying through the DOM
• XPath function support in XSLT

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Schema Support In-Line Schemas

• ltroot xmlnsfoox-schemamySchemagt
• ltSchema namemySchema xmlnsurnschemas-micro
  soft-comxml-datagt
• ltElementType namebar/gt
• lt/Schemagt
• ltfoobargtHello Worldlt/foobargt
• lt/rootgt

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Demo Part V

• In-Line Schema

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Schema Support Caching Schemas

• var cache
• new ActiveXObject(MSXML2.XMLSchemaCache")
• cache.add("myFooURI",
• "http//server/xmldataschema1.x
  ml")
• cache.add("myAURI",
• "http//www.w3.org/schemas/pics
  .xml")
• cache.add("uri3",
• myDomDocument)
• var xmldoc new ActiveXObject(MSXML2.DOMDocument
  ")
• xmldoc.schemas cache
• xmdoc.load("http//myserver/mydata.xml")

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Schema Support Applying the Schema Cache

• xmldoc.load(xmlfile.xml)
• Cache.add(urnbook-ns, schemaDoc)
• xmldoc.schemas cache
• newNode xmldoc.createElement(pub)
• docEl xmldoc.documentElement
• docEl.appendChild(newNode)
• xmldoc.validate()

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Demo Part VI

• Validating against an external schema
• Applying the Schema Cache at run-time

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Bug Fixes

• MSXML Technology Preview Bug List
• http//msdn.microsoft.com/workshop/xml/general/msx
  ml_buglist.asp

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XML Dev Center Community

• Web Release Newsgroup
• microsoft.public.xml.msxml-webrelease
• Entire MSXML product team involved
• Communicate with other developers doing similar
  things

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MSXML in Production Server Performance

• MSXML Parser that ships with IE 5.01 is fast and
  reliable
• Scales on multi-procs (80/proc)
• Runs well under heavy load
• The MSXML Technology Preview performs even better
• Faster transforms (5-25 in many scenarios)
• Faster queries (20-50 in many scenarios)
• Even better performance under stress

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Coming Soon

• MSXML Technology Preview available on the Web
  (3/15)
• http//msdn.microsoft.com/downloads/webtechnology/
  xml/msxml.asp
• Full XSLT/XPath, W3C Schemas and More to follow

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Summary

• XSLT/XPath Support and Advanced XML Features in
  Current MSXML Tech Preview
• Standards-based transforms
• Increased programmatic control
• Increased Standards compliance and bug fixes in
  Tech Preview update (3/15)
• MSXML can be used in production now!

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Call to Action

• Get Windows 2000 or download IE 5.01 and build
  applications using the latest MSXML parser
• Start prototyping using the current MSXML
  Technology Preview
• Download the Technology Preview update on 3/15

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XML Resources

• Microsoft XML Developer Center
• http//msdn.microsoft.com/xml/
• W3C
• http//www.w3.org/xml/
• BizTalk
• http//www.biztalk.org
• SOAP
• http//msdn.microsoft.com/workshop/xml/general/soa
  ptemplate.asp