XSLT Output - blank attributes

**Joe Kesselman** · Jun 30 '06, 01:05 AM

Re: XSLT Output - blank attributes

requeth@gmail.c om wrote:[color=blue]
> there a way to flag both if the attribute has not populated and if it
> is just a blank attribute ("")[/color]

First thought that occurs to me is string(@youratt ribute)="", which
should be true for either case.
[color=blue]
>is there a term for just ""[/color]

The most commonly used term is "empty string".

--
() ASCII Ribbon Campaign | Joe Kesselman
/\ Stamp out HTML e-mail! | System architexture and kinetic poetry

**requeth@gmail.com** · Jun 30 '06, 03:15 PM

Re: XSLT Output - blank attributes

I tried this, and looking around for information on the w3
recommendation and others. I add the string and nothing is changed. The
field will not populate in my output table at all if it is an empty
string. If I have any character, or no attribute in the file at all, it
flags red as I wish. I have attached what my origional code was, and
what I changed it to. I have tried many things to get this to work, but
as I said I'm fairly new to this.

<xsl:choose>
<xsl:when
test="CMS274201 00_2000C/CMS27420300_210 0CA/CMS27420300_210 0CA_NM1_Provide rName/@CMS27420300_21 00CA_NM103_Prov iderLastOrOrgan izationName
!= 0">
<td>
<xsl:value-of
select="CMS2742 0100_2000C/CMS27420300_210 0CA/CMS27420300_210 0CA_NM1_Provide rName/@CMS27420300_21 00CA_NM103_Prov iderLastOrOrgan izationName"/>
</td>
</xsl:when>
<xsl:otherwis e>
<td bgcolor="RED"> </td>
</xsl:otherwise>
---------------------------

<xsl:choose>
<xsl:when
test="string(CM S27420100_2000C/CMS27420300_210 0CA/CMS27420300_210 0CA_NM1_Provide rName/@CMS27420300_21 00CA_NM103_Prov iderLastOrOrgan izationName)
!= 0">
<td>
<xsl:value-of

select="CMS2742 0100_2000C/CMS27420300_210 0CA/CMS27420300_210 0CA_NM1_Provide rName/@CMS27420300_21 00CA_NM103_Prov iderLastOrOrgan izationName"
/>
</td>
</xsl:when>
<xsl:otherwis e>
<td bgcolor="RED"> </td>
</xsl:otherwise>
Thanks

Joe Kesselman wrote:[color=blue]
> requeth@gmail.c om wrote:[color=green]
> > there a way to flag both if the attribute has not populated and if it
> > is just a blank attribute ("")[/color]
>
> First thought that occurs to me is string(@youratt ribute)="", which
> should be true for either case.
>[color=green]
> >is there a term for just ""[/color]
>
> The most commonly used term is "empty string".
>
> --
> () ASCII Ribbon Campaign | Joe Kesselman
> /\ Stamp out HTML e-mail! | System architexture and kinetic poetry[/color]

**A. Bolmarcich** · Jun 30 '06, 04:15 PM

Re: XSLT Output - blank attributes

On 2006-06-30, requeth@gmail.c om <requeth@gmail. com> wrote:[color=blue]
> I tried this, and looking around for information on the w3
> recommendation and others. I add the string and nothing is changed. The
> field will not populate in my output table at all if it is an empty
> string. If I have any character, or no attribute in the file at all, it
> flags red as I wish. I have attached what my origional code was, and
> what I changed it to. I have tried many things to get this to work, but
> as I said I'm fairly new to this.
>
><xsl:choose>
> <xsl:when
> test="CMS274201 00_2000C/CMS27420300_210 0CA/CMS27420300_210 0CA_NM1_Provide rName/@CMS27420300_21 00CA_NM103_Prov iderLastOrOrgan izationName
> != 0">[/color]

The "!= 0" comparison is false only when the attribute value is "0" (or
some other value that when converted to a number has a value of 0). The
comparison is true when the attribute is not present and when the
attribute has an empty value. Perhaps, you want to use something like

<xsl:test="stri ng(...)">

where the "..." is your XPATH expression.
[color=blue]
> <td>
> <xsl:value-of
> select="CMS2742 0100_2000C/CMS27420300_210 0CA/CMS27420300_210 0CA_NM1_Provide rName/@CMS27420300_21 00CA_NM103_Prov iderLastOrOrgan izationName"/>
> </td>
> </xsl:when>
> <xsl:otherwis e>
> <td bgcolor="RED"> </td>
> </xsl:otherwise>
> ---------------------------
>
><xsl:choose>
> <xsl:when
> test="string(CM S27420100_2000C/CMS27420300_210 0CA/CMS27420300_210 0CA_NM1_Provide rName/@CMS27420300_21 00CA_NM103_Prov iderLastOrOrgan izationName)
> != 0">
> <td>
> <xsl:value-of
>
> select="CMS2742 0100_2000C/CMS27420300_210 0CA/CMS27420300_210 0CA_NM1_Provide rName/@CMS27420300_21 00CA_NM103_Prov iderLastOrOrgan izationName"
> />
> </td>
> </xsl:when>
> <xsl:otherwis e>
> <td bgcolor="RED"> </td>
> </xsl:otherwise>[/color]

**requeth@gmail.com** · Jun 30 '06, 05:45 PM

Re: XSLT Output - blank attributes

This is why I add the I'm an idiot explanations to posts. I had tried
this without the string expression but forgot to try it with it
included. That worked, thanks.

A. Bolmarcich wrote:[color=blue]
> On 2006-06-30, requeth@gmail.c om <requeth@gmail. com> wrote:[color=green]
> > I tried this, and looking around for information on the w3
> > recommendation and others. I add the string and nothing is changed. The
> > field will not populate in my output table at all if it is an empty
> > string. If I have any character, or no attribute in the file at all, it
> > flags red as I wish. I have attached what my origional code was, and
> > what I changed it to. I have tried many things to get this to work, but
> > as I said I'm fairly new to this.
> >
> ><xsl:choose>
> > <xsl:when
> > test="CMS274201 00_2000C/CMS27420300_210 0CA/CMS27420300_210 0CA_NM1_Provide rName/@CMS27420300_21 00CA_NM103_Prov iderLastOrOrgan izationName
> > != 0">[/color]
>
> The "!= 0" comparison is false only when the attribute value is "0" (or
> some other value that when converted to a number has a value of 0). The
> comparison is true when the attribute is not present and when the
> attribute has an empty value. Perhaps, you want to use something like
>
> <xsl:test="stri ng(...)">
>
> where the "..." is your XPATH expression.
>[color=green]
> > <td>
> > <xsl:value-of
> > select="CMS2742 0100_2000C/CMS27420300_210 0CA/CMS27420300_210 0CA_NM1_Provide rName/@CMS27420300_21 00CA_NM103_Prov iderLastOrOrgan izationName"/>
> > </td>
> > </xsl:when>
> > <xsl:otherwis e>
> > <td bgcolor="RED"> </td>
> > </xsl:otherwise>
> > ---------------------------
> >
> ><xsl:choose>
> > <xsl:when
> > test="string(CM S27420100_2000C/CMS27420300_210 0CA/CMS27420300_210 0CA_NM1_Provide rName/@CMS27420300_21 00CA_NM103_Prov iderLastOrOrgan izationName)
> > != 0">
> > <td>
> > <xsl:value-of
> >
> > select="CMS2742 0100_2000C/CMS27420300_210 0CA/CMS27420300_210 0CA_NM1_Provide rName/@CMS27420300_21 00CA_NM103_Prov iderLastOrOrgan izationName"
> > />
> > </td>
> > </xsl:when>
> > <xsl:otherwis e>
> > <td bgcolor="RED"> </td>
> > </xsl:otherwise>[/color][/color]

**Peter Flynn** · Jul 3 '06, 01:35 AM

Re: XSLT Output - blank attributes

requeth@gmail.c om wrote:

Allo,
>
I'm somewhat new to XSLT but I am doing fairly well. I just got stuck
on one item. I have created a XSL stylesheet to pull information from
an XML file and generate a report. I would like to add functionality
for missing data, in which if the attribute contains nothing ("") then
the field is red. I added in a choose function which flags it red, but
only if the attribute itself was not populated into the source file. Is
there a way to flag both if the attribute has not populated and if it
is just a blank attribute (""). If you know the answer to this, is
there a term for just "" that I could search more on?

There may be more than presence or absence at work here.

If the DTD or Schema defines a default value for the attribute,
then the processor will behave as though the attribute was
specified with that value, even if it's physically absent from
the document.

<xsl:if test="@foo=''"w ill only be true if
(a) foo="" is actually in the document, or
(b) the null string is declared as the default value

<xsl:if test="@foo"will only be true if
(a) foo="" or foo="something" is actually in the document, or
(b) foo is declared with a default value (of any kind)

///Peter
--
XML FAQ: http://xml.silmaril.ie/

XSLT Output - blank attributes

XSLT Output - blank attributes

Comment

Comment

Comment

Comment

Comment