[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: RE: Word of the day: upconversion
Nicely put Roger - "XML" (the full XML family) is really impressive for making things machine readable. -----Original Message----- From: Costello, Roger L. [mailto:costello@mitre.org] Sent: Friday, August 21, 2009 12:11 PM To: 'xml-dev@lists.xml.org' Subject: RE: Word of the day: upconversion Hi Folks, Great comments! Thank you! Here's a follow on question ... Below are two ways of expressing the constraint on a <Color> element. The first uses XML to express the constraint and the second uses XPath. 1. XML <element name="Color"> <simpleType> <restriction base="string"> <enumeration value="red" /> <enumeration value="green" /> <enumeration value="blue" /> </restriction> </simpleType> </element> 2. XPath <element name="Color"> <complexType> <simpleContent> <extension base="string"> <assert test="(. eq 'red') or (. eq 'green') or (. eq 'blue')" /> </extension> </simpleContent> </complexType> </element> Note: the second uses the new assertion capability in XML Schema 1.1. It uses XPath to express constraints. If you're doing upconversion, would you upconvert this XML: <enumeration value="red" /> <enumeration value="green" /> <enumeration value="blue" /> to this XPath: (. eq 'red') or (. eq 'green') or (. eq 'blue') or vice versa? Is the XML richer in structure and information or is the XPath? /Roger _______________________________________________________________________ XML-DEV is a publicly archived, unmoderated list hosted by OASIS to support XML implementation and development. To minimize spam in the archives, you must subscribe before posting. [Un]Subscribe/change address: http://www.oasis-open.org/mlmanage/ Or unsubscribe: xml-dev-unsubscribe@lists.xml.org subscribe: xml-dev-subscribe@lists.xml.org List archive: http://lists.xml.org/archives/xml-dev/ List Guidelines: http://www.oasis-open.org/maillists/guidelines.php
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