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Subject: [xsl] Computed Location Predicate From: "Richard Patchet" <rpatchet@xxxxxxxxxx> Date: Thu, 2 Jan 2003 08:11:31 -0600 |
I have a most vexing problem. I am writing a transform to create a sample document from a schema. For fun, I thought I would randomize the selection of items from enumerated lists. With Saxon 6.5.2, I tried many variations of the predicate before final success with the following bit of the code, which is within a for-each selecting "/xs:schema/xs:complexType[<pulls the target complexType>]/xs:restriction". <xsl:variable name="elementValue"> <xsl:choose> <xsl:when test="xs:enumeration"> <xsl:variable name="enumPtr"> <xsl:value-of select="string-length($allValues) mod count(xs:enumeration) + 1"/> </xsl:variable> <xsl:value-of select="xs:enumeration[number($enumPtr)]/@value"/> </xsl:when> . . . </xsl:choose> </xsl:variable> <xsl:value-of select="$elementValue"/> During the course of debugging, I used the the following without success: <xsl:variable name="elementValue"> <xsl:choose> <xsl:when test="xs:enumeration"> <xsl:value-of select="xs:enumeration[number(string-length($allValues) mod count(xs:enumeration) + 1)]/@value"/> </xsl:when> . . . </xsl:choose> </xsl:variable> <xsl:value-of select="$elementValue"/> I understand that my problems with (many) earlier versions were due to the processor's inability to distinguish the predicate as a number rather than a non-number and therefore a boolean. But why does the processor differentiate between casting a variable to a number, which works, and casting an expression to a number, which does not work? Any suggestions? Richard Patchet bTrade, Inc. 2324 Gateway Drive Irving, TX 75063 972-5802981 www.bTrade.com XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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