May 2018
Intermediate to advanced
680 pages
15h 54m
German
Content preview from XML -- Technologien, Grundlagen, Validierung, Auswertung
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xsl:try/xsl:catch
Wie in diversen Programmier-Sprachen üblich, ist nun auch in XSLT 3.0 mit xsl:try/xsl:catch ein leistungsfähiges Exception-Handling verfügbar, mit dem diverse Fehler aufgefangen werden können.
Das Prinzip von xsl:try/xsl:catch ist einfach. In xsl:try wird eine Anweisung definiert. Ist deren Ausführung nicht möglich (wie zum Beispiel in der Zeile <xsl:value-of select="1 div $v0"/>), so entsteht ein Fehler. Dieser kann mit xsl:catch aufgefangen werden. Interessant ist dabei, dass Sie für unterschiedliche Fehlerarten individuelle "Fehlerfänger" bereitstellen können, die vom jeweiligen Fehlercode abhängen. Bei einer Durch-Null-Division entsteht dabei ein Fehler vom Typ err:FOAR0001.
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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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