Re: [xsl] Nodes get new IDs in function?

[Wolfgang Laun <wolfgang.laun@xxxxxxxxx>]

The <xsl:copy-of> is the culprit; it does create a new node.

Use
   <xsl:sequence select="..."/>
instead.
-W

On Fri, Apr 9, 2010 at 2:15 AM, Martynas Jusevicius
<martynas.jusevicius@xxxxxxxxx> wrote:
> Hey list,
>
> still struggling with the level gap-infested ToC, but I think I
> introduced a couple of functions, I'm now on the finish line:
>
> <xsl:function name="o2e:heading-level" as="xs:integer">
>    <xsl:param name="heading" as="element()"/>
>    <xsl:value-of select="number(substring-after(local-name($heading),
'h'))"/>
> </xsl:function>
>
> <xsl:function name="o2e:parent-heading" as="element()*">
>    <xsl:param name="heading" as="element()"/>
>    <xsl:copy-of select="$heading/preceding-sibling::h:*[self::h:h1 or
> self::h:h2 or self::h:h3 or self::h:h4 or self::h:h5 or
> self::h:h6][o2e:heading-level(.) &lt;
> o2e:heading-level($heading)][1]"/>
> </xsl:function>
>
> The problem is, it seems that nodes returned from the parent-heading()
> function get different IDs than identical nodes in the source
> document. Is this the specified behavior, i.e. functions construct new
> nodes, which get new IDs?
>
> For that reason this expression won't work:
>
> following-sibling::h:*[self::h:h1 or self::h:h2 or self::h:h3 or
> self::h:h4 or self::h:h5 or self::h:h6][o2e:parent-heading(.) is
> current()]
>
> Because the IDs won't match in the 'is' operator, even though I can
> see the nodes are (look) identical. If I change the operator to '=' it
> starts giving the expected results, but it is not good enough, as
> there can be several heading elements with the same string value. Is
> it possible to retain the original ID value somehow?
>
> As for the source document, it could be any XHTML with any number and
> order of headings, for example:
>
> <h1 class="Heading_20_1 ">Free Culture - How Big Media Uses Technology
> and the Law to Lock Down Culture and Control Creativity,Lawrence
> Lessig</h1>
> <h4 class="Heading_20_4 ">Attribution</h4>
> <p>...</p>
> <h3 class="Heading_20_3 ">Preface</h3>
> <h4 class="Heading_20_4 ">[Preface]</h4>
> <p>...</p>
> <h3 class="Heading_20_3 ">INTRODUCTION</h3>
> <p>...</p>
>
> and so on
>
> Martynas
> odt2epub.com