Changeset 34240
- Timestamp:
- 2020-07-03T12:16:43+12:00 (4 years ago)
- File:
-
- 1 edited
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main/trunk/greenstone3/web/interfaces/default/transform/gslib.xsl
r33958 r34240 606 606 <xsl:apply-templates select="pageResponse/collection|serviceCluster"/> 607 607 </xsl:template> 608 608 609 <!-- 610 Solution to problem where incoming collection description contains HTML and we want to preserve 611 that HTML instead of XML's default behaviour stripping out all tags and just concatenating their text 612 content. 613 The actual solution is here: 614 https://stackoverflow.com/questions/19998180/xsl-copy-nodes-without-xmlns 615 - Close but adds namespacs to the first HTML tag: 616 https://stackoverflow.com/questions/6199345/how-to-copy-all-child-nodes-of-any-type-of-a-template-context-element 617 Other links that are a learning experience: 618 - https://support.microsoft.com/en-us/help/264665/how-to-display-html-in-xsl-style-sheet 619 (tags need to come in in entity form for xslt to remove the entities in output) 620 - https://forums.asp.net/t/1414309.aspx?Decoding+HTML+after+applying+an+XLST+transform+to+an+XML+control 621 (same problem) 622 - https://docs.oracle.com/javase/tutorial/jaxp/xslt/transformingXML.html 623 (general information) 624 - https://stackoverflow.com/questions/5876382/using-xslt-to-copy-all-nodes-in-xml-with-support-for-special-cases 625 (close to solution) 626 --> 609 627 <xsl:template match="collection|serviceCluster"> 610 <xsl:value-of select="displayItemList/displayItem[@name='description']" disable-output-escaping="yes"/> 628 <!-- original way: does not preserve html tags --> 629 <!--<xsl:value-of select="displayItemList/displayItem[@name='description']" disable-output-escaping="yes"/>--> 630 <xsl:apply-templates select="displayItemList/displayItem[@name='description']"/> 631 632 <!-- Don't do this. It seems to remove any text nodes directly within this displayItem 633 before copying only the subdnodes --> 634 <!-- <xsl:apply-templates select="displayItemList/displayItem[@name='description']/*" mode="copy-no-namespaces"/> --> 635 636 <!-- Don't do this: it will also copy the <displayItem> element itself into the HTML output --> 637 <!--<xsl:copy-of select="displayItemList/displayItem[@name='description']"/>--> 638 639 <!-- The other way: requires the input to already be entity encoded for xslt to get it right, 640 to get it ending up as tags in the HTML generated. An example of it working below. 641 But that means we have to get the runtime code to send entity encoded elements, which 642 is not what we want. 643 --> 644 <!--<xsl:text disable-output-escaping="yes"><b>hello</b></xsl:text>--> 645 611 646 <!-- Uncomment this section if you want the collection service links and their descriptions to appear --> 612 647 <!--<xsl:apply-templates select="serviceList"> … … 614 649 </xsl:apply-templates>--> 615 650 </xsl:template> 616 651 652 <!-- preserve any HTML tags *within* the collection description 653 Why is this adding an xmlns namespace to the first HTML tag encountered and converting 654 non html entities like the apostrophe character into their entity forms? 655 This seems to assume entities in the input should be converted: 656 https://stackoverflow.com/questions/31517944/xsl-disable-output-escaping-copy-of 657 But I'm wondering why when there's no entity in the input, copy-of produces entities 658 for chars like apostrophe in the output? 659 Note: there's xsl:copy and xsl:copy-of, we want copy-of! 660 - https://www.w3schools.com/xml/ref_xsl_el_copy.asp 661 - vs https://www.w3schools.com/XML/ref_xsl_el_copy-of.asp 662 663 Info on avoiding doe/disable-output-escaping at https://saxonica.plan.io/issues/3214 664 https://stackoverflow.com/questions/31517944/xsl-disable-output-escaping-copy-of 665 --> 666 <xsl:template match="displayItem[@name='description']"> 667 <!-- don't do this: it adds an xmlns namespace to the first/root html element in displayItem --> 668 <!--<xsl:copy-of select="node()"/>--> 669 <xsl:apply-templates select="node()" mode="copy-no-namespaces"/> 670 </xsl:template> 671 <!-- On mode attribute: https://www.w3schools.com/xml/ref_xsl_el_apply-templates.asp 672 https://stackoverflow.com/questions/4486869/can-one-give-me-the-example-for-mode-of-template-in-xsl 673 https://docs.microsoft.com/en-us/previous-versions/dotnet/netframework-4.0/ms256045(v=vs.100)?redirectedfrom=MSDN 674 --> 675 <xsl:template match="*" mode="copy-no-namespaces"> 676 <xsl:element name="{local-name()}"> 677 <xsl:copy-of select="@*"/> 678 <xsl:apply-templates select="node()" mode="copy-no-namespaces"/> 679 </xsl:element> 680 </xsl:template> 681 682 <xsl:template match="comment()| processing-instruction()" mode="copy-no-namespaces"> 683 <xsl:copy/> 684 </xsl:template> 685 617 686 <xsl:template match="serviceList"> 618 687 <xsl:param name="collName"/>
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