Subject: Re: [xsl] Replacing images with alt tags - PART 2 From: "Thomas B. Passin" <tpassin@xxxxxxxxxxxx> Date: Thu, 18 Apr 2002 14:48:02 -0400 |
[Michael Kay] > > > > > > <xsl:template match="a/img"> > > > <!-- this should replace images with alt text only when img is the > > > link--> > > > <xsl:value-of select="@alt"/> > > > </xsl:template> > > > > > > <xsl:template match="p/img"> > > > <!-- replace images with alt text only when img is within a <p>--> > > > <xsl:value-of select="@alt"/> > > > </xsl:template> > > > > > > <xsl:template match="img"> > > > <!-- replace images with alt text in <p> tags when its not within > > > tags--> > > > <p><xsl:value-of select="@alt"/></p> > > > </xsl:template> > > > > > > > The way you are doing it will produce different results > > depending on the > > context in which you call apply-templates. If you are within > > a <p> element, > > for example, no p/img is likely to be found, but img will. > > Wrong. Whether or not a given node matches a pattern has nothing whatever to > do with the apply-templates call. I know, Mike, but the results - I mean, which templates get invoked - do depend on the context, right? If I want to select an "img" element but there are no "img" children of the context node, no templates will be instantiated to process an "img" node. That's all I was referring to. I was assuming that Jacob Glenn had used <xsl:apply-templates select='img'/>, but I see that I didn't say that. If he did use select='img' as I assumed, a template with match='a/img' would not necessarily be invoked, while a template with match='img' would. On the other hand, if he had just used <xsl:apply-templates/>, he would have gotten his expected results (at least, I did in the test case I tried), so I assumed that that's not what he did. If he used some different approach, what I said would be irrelevant, and maybe he will tell us what he really did and what the source xml looks like. Tom P XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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