XSLT and XPATH: A Guide to XML Transformations

Chapter 11. XSLT Functions and Related XSLT Elements

• current(), document(), element-available(), format-number(), function-available(), generate-id(), key(), system-property(), unparsed-entity-uri()

• <xsl:key>

• <xsl:decimal-format>

The versatility of XSLT is greatly enhanced by the range of XPath functions (described in Chapter 5), which provide the ability to perform many sophisticated tasks. XSLT provides its own library of functions, specific to XSLT implementations, in addition to the core XPath library of functions. These XSLT functions are used within expressions and are declared by the XSLT specification in the same manner as XPath functions, using a function prototype, as shown in the following structure:

Function: return type
						name(arguments) ...