Extensible Stylesheet Language

Extensible Stylesheet Language Jussi Pohjolainen TAMK University of Applied Sciences

XSL ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Relationships with the Languages Extensible Stylesheet Language XSL Transformations XSL Formatting Objects XML Path Language uses

Languages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Main Idea of XSLT XSLT Processor The XSLT Processor can be client-side (browser) or server-side (php, java..)

With XSLT - link Now the XML document is linked to an external xslt document Browser is used as an XSLT processor. (client-side)

XSLT ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

XSL-FO ,[object Object],[object Object],[object Object]

Example of an XSL-FO Document ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Transforming XSL-FO - document ,[object Object],[object Object],[object Object],[object Object],[object Object]

Example: XSL-FO and Processor XS Processor The possible output formats depends of the features of the XS processor. For example, Apache FOP supports only PDF

Generating FO documents ,[object Object],[object Object],[object Object],[object Object]

Main Idea of XSLT: XML -> XHTML XSLT Processor The XSLT Processor can be client-side (browser) or server-side (php, java..)

Main Idea of XSLT: XML -> FO XSLT Processor Now the books.xml is transformed into XSL FO language...

Example: XSL-FO and Processor XS Processor And if you have an fo-document, you can transform it to pdf (for example)

XSL-FO Process in Whole XS Processor XSLT Processor

Example ,[object Object],[object Object],[object Object],[object Object],[object Object]

XSL-FO Process in Whole FOP PHP

PHP Code ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

XPath ,[object Object],[object Object],[object Object],[object Object]

Selecting Nodes? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],XPath

Selecting Nodes (W3schools) Expression Description nodename Selects all child nodes of the named node / Selects from the root node // Selects nodes in the document from the current node that match the selection no matter where they are . Selects the current node .. Selects the parent of the current node @ Selects attributes

Examples (W3schools) Expression Description /bookstore Selects the root element bookstore bookstore/book Selects all book elements that are children of bookstore //book Selects all book elements no matter where they are in the document bookstore//book Selects all book elements that are descendant of the bookstore element, no matter where they are under the bookstore element //@lang Selects all attributes that are named lang

More Examples ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Example of an XSLT-transformation: XML-file ,[object Object],[object Object],[object Object],[object Object],[object Object]

Example of an XSLT-transformation: XSLT-file ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Result: Simple text – file.. ,[object Object]

Making the Transformation ,[object Object],[object Object],[object Object],[object Object],[object Object]

XSLT-transformation with PHP 5 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Examples of XSLT ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Examples of XSLT ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Result of Previous XSLT ,[object Object],[object Object],[object Object],[object Object],[object Object],Is this valid xhtml?

Better Version ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

<xsl:value-of select="XPath"/> ,[object Object],[object Object],[object Object]

for-each ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Repeat for every book..

sort ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Repeat for every book.. ..and sort them by price

Why this doesn't work? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],What's wrong with this line?

Using attribute ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Extensible Stylesheet Language

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Extensible Stylesheet Language