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On Wednesday 09 February 2005 09:35 pm, Robert Koberg wrote:
> Why are you using XML? Seems like you have a fundamental
> misunderstanding (OK, you have corrected some extreme beginner mistakes)
> of what XML is and what is is good for...
Can't win on this list - you get told to not to use xml when you are using
it properly and the reverse when you aren't !
Give Rick a break... he's trying very hard..
>
> -Rob
>
> Rick Marshall wrote:
> > <?xml version="1.0"?>
> >
> > <!DOCTYPE label [
> > <!ELEMENT vpn EMPTY>
> > <!ATTLIST vpn code ENTITY #REQUIRED>
> > <!NOTATION VPN SYSTEM "/usr/local/app/shoeman/bin/vpn">
> > <!ENTITY codex SYSTEM "1234" NDATA VPN>
> > ]>
> >
> > <label_file><vpn code="codex" /></label_file>
> >
> > ok, a bit more background here. i am trying to overcome a somewhat
> > classic "late-binding" problem.
> >
> > we get requests to print labels. the request come as text files that are
> > converted to xml and stored. the text file has everything we need to
> > print the labels except for some local info (essentially our product
> > number). sometime between receiving the files and actually printing the
> > labels all the data bits are filled in and we do have the required
> > product number. this can be identified from a code supplied by the
> > customer.
> >
> > the code above is a simplified version just to illustrate the point.
> >
> > when we produce the final output (zebra printer codes in this case) we
> > need to include our product code. so what i want to do is embed in the
> > xml a call to a function in our system that, when passed the customer
> > code, will return our product code.
> >
> > everything i've read suggests that the above snippet should work
> > (assuming /usr/local/app/sheoman/bin/vpn is executable and returns
> > something).
> >
> > and here is the simplified stylesheet:<xsl:stylesheet version="1.0"
> > xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
> >
> > <xsl:output method="text"/>
> >
> > <xsl:template match="/">
> > <xsl:apply-templates match="label_file"/>
> > </xsl:template>
> >
> > <xsl:template match="label_file">
> > <xsl:text>
> > XX</xsl:text>
> > <xsl:apply-templates match="vpn"/>
> > </xsl:template>
> >
> > <xsl:template match="vpn">
> > <xsl:text>
> > YY </xsl:text>
> > <xsl:value-of select="@code"/>
> > <xsl:text> ZZ</xsl:text>
> > </xsl:template>
> >
> > </xsl:stylesheet>
> >
> > and the output:
> >
> > XX
> > YY codex ZZ
> >
> > as you can see the entity "codex" is not being replaced by the call to
> > /usr/local/...
> >
> > i can devise alternatives, but they would not be xml solutions and that
> > has other problems downstream.
> >
> > ps if this is the correc tsolution then it is a good reason to hang on
> > to dtds.
> >
> > rick
> >
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