[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: ANN: The Simple, Powerful Schema Language (SPSL)
Let's go further Why using XML ? Just XPathExpression separated by NewLines !! Xmlizer PS : on the other hand, if you end up willing to provide custom messages to the user, the language will become closer to Schematron 2012/12/19 Costello, Roger L. <costello@mitre.org>: > Hi Folks, > > I am pleased to announce a new schema language called: > > The Simple, Powerful Schema Language (SPSL) > > SPSL is very easy to learn. It takes less than one minute to learn the entire language. > SPSL is very powerful. With it you can express any business rule that you could possibly imagine. > > An SPSL Validator is used to validate XML instance documents against an SPSL schema. > SPSL Validators are free and customizable. > Below I give you the code for the SPSL Validator -- the code is just a handful of lines long. > The SPSL Validator builds on top of existing standard technologies so it has a strong foundation. As the foundation evolves to more power, so does the SPSL Validator. > > By using the SPSL language and the SPSL Validator you can save a lot of time and money. > > Here is the SPSL language and the SPSL Validator: > > --------------------------------------------------------- > The Simple, Powerful Schema Language (SPSL) > --------------------------------------------------------- > The root element is <Schema> > The content of <Schema> is one or more <Assert> elements. > The content of each <Assert> element is a boolean XPath expression. > > <Schema> > <Assert>... XPath ...</Assert> > <Assert>... XPath ...</Assert> > <Assert>... XPath ...</Assert> > ... > </Schema> > > An XML instance document is valid if each XPath expression evaluates to true. > > -------------------------------------------------------------------- > The Simple, Powerful Schema Language (SPSL) Validator > -------------------------------------------------------------------- > The SPSL Validator is implemented in XSLT/XPath -- it leverages existing technologies. > > XML instance documents are validated against an SPSL schema using the <xsl:evaluate> element in XSLT 3.0 > > <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" > xmlns:xs="http://www.w3.org/2001/XMLSchema" > version="3.0"> > > <xsl:variable name="schema" select="doc('schema.xml')" /> > > <xsl:template match="Schema"> > <xsl:evaluate xpath="string-join($schema//Assert,',')" as="xs:boolean*"/> > </xsl:template> > > </xsl:stylesheet> > > /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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