May 2018
Intermediate to advanced
680 pages
15h 54m
German
Content preview from XML -- Technologien, Grundlagen, Validierung, Auswertung
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xsl:assert
xsl:assert ist in der Lage, den Programmablauf zu kontrollieren.
Im folgenden Beispiel wird eine Variable v0 mit dem Wert "0" initialisiert. Vor der Weiterverarbeitung mit <xsl:value-of select="1 div $v0"/> (was bei try/catch eine Durch-Null-Division auslösen würde) wird via xsl:assert der weitere Programmablauf davon abhängig gemacht, dass v0 nicht "0" ist; im anderen Fall wird das Programm abgebrochen.
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xs="http://www.w3.org/2001/XMLSchema" exclude-result-prefixes="xs" version="3.0"> <xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/> <xsl:template match="/"> <ROOT> <xsl:variable name="v0" select="xs:integer('0')"/> <xsl:assert test="$v0 != ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.