Subject: Re: [xsl] xpath query From: "Sean Tiley" <sean.tiley@xxxxxxxxx> Date: Sat, 19 Jan 2008 11:38:32 -0500 |
Thank you all. I was thinking last night, typically I just output an html file to see the results of my transformation. Then I thought what if I just wanted to process the original xml file, replace the apply="1" with apply="true" and write the results to another xml file I read elsewhere in the archives about the identity template and the suggestion is basically the following (to just replicate the original xml) <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="2.0"> <xsl:output method="xml" indent="yes"/> <xsl:template match="@* | node()"> <xsl:copy> <xsl:apply-templates select="@* | node()"/> </xsl:copy> </xsl:template> </xsl:stylesheet> Which works as advertised. I understand that I can create another template to match what ever I like to futrher refine the output like this <xsl:template match="@apply"> <xsl:attribute name="apply"> <xsl:value-of select="replace(., '1', 'true')"/> </xsl:attribute> </xsl:template> So far so good. I have 2 questions though. 1) - In the first template that copies the original xml, the expression select="@* | node()" What is this saying? I read it is another way of phrasing this select="attribute() | element() | text() | comment() | processing-instruction()" (which seems much clearer) Either expression does what I want, but I am trying to map the first expression "@* | node()" onto the latter. I am pretty sure the @* means all attributes? If this is the case how does "node()" translate to "element() | text() | comment() | processing-instruction()"? 2) - Also related to the first template. Why do I need the <xsl:template match="@* | node()"> and <xsl:apply-templates select="@* | node()"/> in the <xsl:copy/> tag? I would have thought in the template match "/" would have sufficed. (When I try that, I just get the values from the nodes). Also in the thread Abel stated >I think many people find this at first confusing: when do you get a node >set, when do you get one node, when do you get a sequence or a sequence >of nodes, when do you need apply-templates, when for-each or >for-each-group etc etc. Getting it straight is vital for working with >XSLT without frustration. Do you know of any resources, either online or in print that explain these concepts well with good examples? I would really like to make this confusion a thing of the past for myself. Thanks in advance Sean On Jan 19, 2008 8:21 AM, Abel Braaksma <abel.online@xxxxxxxxx> wrote: > Sean Tiley wrote: > > Hi Abel, > > No I am not the same person. Why did you think that? > > > > The first part of the OP's name is 'Sen', yours is "Sean". Also, it > happens sometimes that people use different email addresses to anonymize > their posts, but sometimes forget it and send from their other address. > And of course, companies may share addresses with people through groups > (but then it's not the same p). > > > I was reading the thread and was trying to fully understand the > > requirement and solutions provided. I used the original XML to play > > with creating my stylesheets to see what I could do with it. > > > > That's very good, that was the way I learned XSLT: reading from the list > and trying to understand what was posted. > > > Did I do something incorrect when I asked my questions in the same > > thread? Should I have posted a new message. Please tell me as I am > > new to this list and dont want to make a bad impression. > > > > No and not necessarily, but Tommie already explained you that ;) > I was just a bit puzzled by your follow-up questions and didn't see > something like "I read this thread and was wondering about...". So it > "sounded" as if it was the OP (Original Poster) asking follow-ups... > > > I do appreciate your comments on my questions, they certainly help me > > get all of this straight in my head. > > > > Glad to have been of help. Ask anytime, this is a lively list and we're > here to help ;) > > > Cheers, > -- Abel Braaksma > > -- Sean Tiley sean.tiley@xxxxxxxxx
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