Jon Gorman wrote:
On 10/24/05, Blue Gecko <bluegecko(_at_)libero(_dot_)it> wrote:
Hello folks
Is there a way to limit the length of transformed content from source
text nodes via XSLT?
Well, you can limit the amount of text using substring.
ie
<xsl:template match="item" mode="summary">
<xsl:value-of select="substring(.,1,50)" />
</xsl:template>
would give you the first fifty characters of the result of calling
value-of on item.
Hard to tell from the info if that would be adequate.
That seems really adequate in the case I exposed (simple text contents).
Thinking about a more complex (and realistic) case, I could imagine that
the contents would be interspersed with markup tags, like this
(<strong/> elements):
<!-- source -->
<foo>
<item>This is the <strong>body</strong> of an article interspersed with
<strong>markup tags</strong> I'm striving to snip.</item>
</foo>
In this case, I'm awfully in trouble: I should extract a stated amount
of text (say: text nodes content) preserving (or possibly transforming)
the interspersed markup elements, like this (<i/> transformed element):
<!-- result -->
<snippets>
<snippet>This is the <i>body</i> of [...]</snippet>
</snippets>
Tough matter, I'm afraid... 8(
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