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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: extrernal entities - part 2
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 > > > > ----------------------------------------------------------------- > > The xml-dev list is sponsored by XML.org <http://www.xml.org>, an > > initiative of OASIS <http://www.oasis-open.org> > > > > The list archives are at http://lists.xml.org/archives/xml-dev/ > > > > To subscribe or unsubscribe from this list use the subscription > > manager: <http://www.oasis-open.org/mlmanage/index.php> > > ----------------------------------------------------------------- > The xml-dev list is sponsored by XML.org <http://www.xml.org>, an > initiative of OASIS <http://www.oasis-open.org> > > The list archives are at http://lists.xml.org/archives/xml-dev/ > > To subscribe or unsubscribe from this list use the subscription > manager: <http://www.oasis-open.org/mlmanage/index.php> -- Computergrid : The ones with the most connections win.
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