xsl:fo retrieve-marker not valid child

Question

I need for my xsl:fo transformation an <fo:retrieve-marker> in an table but I don't know if this is possible because I use FOP Processor for my transformation.

If i use the <fo:retrieve-marker> in my table I always get an error message that the tag has to be in an static content.

Here is the table with the marker

                <xsl:call-template name="MMEL-Table-Header"/>

                <!-- Bottom table Line  -->
                <fo:table-footer>
                    <fo:table-row>
                        <fo:table-cell>                                                                             
                            <fo:marker marker-class-name="footer-continued"> <fo:inline>(continued)</fo:inline></fo:marker>
                        </fo:table-cell>
                    </fo:table-row>

                </fo:table-footer>

                <fo:table-body >               

                    <xsl:variable name="identification">
                        <xsl:value-of select="ident/message"/>                                 
                    </xsl:variable>                       
                    <xsl:apply-templates select="ident"><xsl:with-param name="ident" select="$identification"/></xsl:apply-templates>
                    <xsl:apply-templates select="provisos/proviso"><xsl:with-param name="ident" select="$identification"/></xsl:apply-templates>

                <fo:table-row>
                    <fo:table-cell> <fo:retrieve-marker retrieve-position="first-starting-within-page" retrieve-class-name="footer-continued" retrieve-boundary="document" /> </fo:table-cell>
                </fo:table-row>
                </fo:table-body>           
            </fo:table>

Can you provide us snippet of code to see where you are using ``. But basically, a `retrieve-marker` can only be used in a page header or footer (``). — potame, Jun 22 '15 at 09:14
okay if i put the marker in the page footer I get no Error Message but this is need the issue want to show my text in the table — bvb1909, Jun 22 '15 at 09:49
Of course it will appear in the footer... A workaround that I suggest could be to set negative top margins for the *(to be continued)* text so that it appears higher in the page. But unless you use a commercial product such as Antenna House or RenderX which support `retrieve-table-marker`, I'm afraid you have no choice. — potame, Jun 22 '15 at 10:23
I checked my fop version i use 1.1 maybe the new fop version supports the table markeer — bvb1909, Jun 22 '15 at 13:29
In https://xmlgraphics.apache.org/fop/compliance.html, it is documented that should it be **partially** supported starting from FOP 2.0. — potame, Jun 22 '15 at 13:49
As @potame said, FOP 2.0 partially supports table markers (I just tested it with a simple example); but _could you clarify a bit what you are trying to achieve_? Your code has the `fo:marker` inside the table footer, and the `fo:retrieve-marker` inside the table body, which seems strange ... — lfurini, Jun 22 '15 at 17:02
I want to archive a text output if the table goes on the next site — bvb1909, Jun 23 '15 at 07:00

lfurini · Accepted Answer · 2015-06-25T17:02:24.677

(disclosure: I'm a FOP developer)

This example has dynamic table header and table footer, so it should cover your requirements:

if the table fits in a single page, both table header and table footer are empty
if the table is split over several pages
- the table header is empty for the first page, and in the following ones it says "(continued)"
- the table footer is empty for the last page, and in the previous ones it says "(continues on the next page)"
tested with FOP 2.0 (older versions did not support table markers); due to FOP's current limitations, the non-breaking space   in the table header and table footer is a necessary "placeholder" (the header / footer dimensions are computed just once, without marker content)
no formatter-specific extensions, so this could work with other formatters too (XslFormatter supports table markers; XEP has alternative workarounds)

FO fragment:

  <fo:table table-layout="fixed" width="100%">
    <fo:table-column column-width="100%"/>
    <fo:table-header>
      <fo:table-row>
        <fo:table-cell>
          <fo:block>
            <fo:retrieve-table-marker retrieve-class-name="mc1" 
                retrieve-position-within-table="first-starting" 
                retrieve-boundary-within-table="table-fragment"/>
            &#x00A0;
          </fo:block>
        </fo:table-cell>
      </fo:table-row>
    </fo:table-header>
    <fo:table-footer>
      <fo:table-row>
        <fo:table-cell>
          <fo:block>
            <fo:retrieve-table-marker retrieve-class-name="mc2" 
                retrieve-position-within-table="last-ending" 
                retrieve-boundary-within-table="table-fragment"/>
            &#x00A0;
          </fo:block>
        </fo:table-cell>
      </fo:table-row>
    </fo:table-footer>
    <fo:table-body>
      <!-- first row -->
      <fo:table-row>
        <fo:table-cell>
          <fo:block>
            <fo:marker marker-class-name="mc1"></fo:marker>
            <fo:marker marker-class-name="mc2">(continues on the next page)</fo:marker>
            cell1
          </fo:block>
        </fo:table-cell>
      </fo:table-row>
      <!-- middle row -->
      <fo:table-row>
        <fo:table-cell>
          <fo:block>
            <fo:marker marker-class-name="mc1">(continued)</fo:marker>
            <fo:marker marker-class-name="mc2">(continues on the next page)</fo:marker>
            cell2
          </fo:block>
        </fo:table-cell>
      </fo:table-row>
      <!-- ... other similar rows ... -->
      <!-- last row -->
      <fo:table-row>
        <fo:table-cell>
          <fo:block>
            <fo:marker marker-class-name="mc1">(continued)</fo:marker>
            <fo:marker marker-class-name="mc2"></fo:marker>
            cell9
          </fo:block>
        </fo:table-cell>
      </fo:table-row>
    </fo:table-body>
  </fo:table>

Great example. Note that it will not work with RenderX XEP. We have chosen not to support retrieve-table-marker as of this time. We may in the future but have been able to workaround better (and much faster) solutions in most all implementations for folks. — Kevin Brown, Jun 23 '15 at 23:52
I have noticed this feature in FOP : https://xmlgraphics.apache.org/fop/2.0/extensions.html#table-continue-label. Is it available in FOP 1.1 or not? — potame, Jun 30 '15 at 08:19
@potame No, the `fox:continued-label` extension dated back to the older versions and is not available in FOP 1.1 and 2.0: [source, see last bullet point](https://xmlgraphics.apache.org/fop/2.0/upgrading.html#pre-1.0) _(to be honest I'm getting an error even with FOP 0.20.5, but maybe I'm just using it in the wrong position)_ — lfurini, Jun 30 '15 at 15:26

xsl:fo retrieve-marker not valid child

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