Subject: [xsl] XPath 2.0: Problems with the two boolean constants true and false From: "Dimitre Novatchev" <dnovatchev@xxxxxxxxx> Date: Sun, 5 Oct 2003 20:31:15 +0200 |
I see two problems with the boolean constants true and false: 1. They cannot be used in an XPath expression -- cannot be distinguished from child::true and child::false 2. boolean('false') is true. This is especially confusing and may be the source of many programmers' headaches. Because of these I chose in my code to use functions returning xs:integer (0 and 1) and for templates to write code like the following: <xsl:template name="And" match="*[namespace-uri()='allTrue-And']"> <xsl:param name="arg1"/> <xsl:param name="arg2"/> <xsl:value-of select="number(number($arg1) and number($arg2))"/> </xsl:template> Am I wrong? Is there a way to overcome the above problems? ===== Cheers, Dimitre Novatchev. http://fxsl.sourceforge.net/ -- the home of FXSL XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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