This thread has been drilling down into extremely fine details that are
required only because the original XML has been misused.
There is using proper markup and there is using markup properly.
That is, the OP is processing valid comment elements and text nodes, but
putting 'invalid' information into the comments. Schemas have documentation
elements for this stuff, and these elements allow elements from other
namespaces, so the markup is unrestricted. I've done it and it is simple,
unambiguous, and clean.
I understand that the OP may have no choice, maybe the XML can't be changed so
we need to make XSL do backflips, but these DTD/schema/whitespace complications
contradict the spirit of XML.
Brad
-----Original Message-----
From: Wasiq Shaikh [mailto:wasiq911(_at_)hotmail(_dot_)com]
Sent: August 20, 2007 1:35 PM
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] Selecting First Direct Sibling
Hello,
I'm having a weird and frustrating problem. I have two XSL files
(XPath1.0/Xalan2.7J). Both do the same thing. One (mine) is more robust and has
a bit more processing. The other more simplistic and different formatting but
with the same goal in mind. That goal is to produce a flat list of elements and
its attributes from an XML Schema document.
The objective here is to get the comment block directly after an element and/or
attribute declaration.
Example:
<xsd:element name="blah">
<!-- This is a comment about the element blah -->
<xsd:attribute name="someAttribute"/>
<xsd:attribute name="blahAttribute"/>
<!-- This is a comment about the attribute blahAttribute under element blah
--> </xsd:element>
Let's focus on grabbing the comment block under attributes. In the simplistic
XSL tranformation we have this:
<xs:stylesheet exclude-result-prefixes="xsd"
xmlns:xsd="http://www.w3.org/2001/XMLSchema";
xmlns:xs="http://www.w3.org/1999/XSL/Transform";
version="1.0"
xmlns:xalan="http://xml.apache.org/xslt";>
<xs:output indent="yes" xalan:indent-amount="3"/>
<xs:template match="/">
<xs:element name="Repository">
<xs:element name="Elements">
<xs:apply-templates select="/*/*"/>
</xs:element>
</xs:element>
</xs:template>
<xs:template match="xsd:element[(_at_)name]">
<xs:element name="{(_at_)name}">
<xs:if test="string(@type)">
<xs:attribute name="type">
<xs:value-of select="@type"/>
</xs:attribute>
</xs:if>
<xs:for-each select="*[name()='xsd:simpleType' or
name()='xsd:complexType']">
<xs:apply-templates select="*"/>
</xs:for-each>
</xs:element>
</xs:template>
<xs:template match="xsd:attribute">
<xs:element name="attribute">
<xs:attribute name="name">
<xs:value-of select="@name"/>
</xs:attribute>
<xs:copy-of select="following-sibling::node()[1][self::comment()]"/>
</xs:element>
</xs:template>
<xs:template match="xsd:sequence|xsd:choice">
<xs:apply-templates select="*"/>
</xs:template>
<xs:template match="node()|@*"/>
</xs:stylesheet>
This works great. It grabs the comment block directly after an attribute. If it
doesn't exist it doesn't process anything. The output will be this:
<blah>
<attribute name="someAttribute"/>
<attribute name="blahAttribute"/>
<!-- This is a comment about the attribute blahAttribute under element blah
--> </blah>
So, I take this simplistic stylesheet and make it more robust, more
descriptive, added a few changes to the format, some more descriptive
attributes, process complexTypes and extensions and so forth ... However, the
comment grab doesn't work.
------
OHHH ... SOB!!! I figured it out! [40 minutes later] I'll leave the original
message I was typing so others will understand the problem.
Apparently, adding/removing this line
<xsl:strip-space elements="xsd:complexType"/>
makes the script work/not work. This doesn't make sense to me .. what does this
have to do with processing comments?
W.S
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