Re: [xsl] questions.

Subject: Re: [xsl] questions.
From: "Christopher R. Maden" <crism@xxxxxxxxx>
Date: Fri, 28 Sep 2001 02:31:40 -0700
At 02:06 28-09-2001, Mihir D. Gore wrote:
I am trying to write a diff-patch tool for xml data in which i will be doing
the patching using xslt. I have some questions regarding this.

consider the two xml files as

        a                               a
            |                                   /   |    \
            b                                        m    b      n
            |                                      /        |
        c                                    z         c

A minor tip: Many people still read e-mail in a non-proportional font. Those that use proportional fonts may not have the same proportions as you do; try making ASCII art with a non-proportional font chosen.

The edit script that i will be generating will be

1. Add subtree at m as first child of a
2. Add node n as the third child of n

How i can i achieve this in xslt ?  (I know that xslt will generate a
completely new file. )

Another way to think of these instructions, that may be of more help, is:

1. Copy a.  Within a:
2. Create m.
3. Copy the first child of a.
4. Create n.
5. Copy the 2nd and following children of a.

Translating that into XSLT (assuming a default template that copies nodes):

<xsl:template match="a">
    <xsl:copy-of select="@*"/>
    <xsl:apply-templates select="*[1]"/>
    <xsl:apply-templates select="*[position() &gt;= 2]"/>

Note that this neglects any text nodes within a.

Christopher R. Maden, Principal Consultant, HMM Consulting Int'l, Inc.
DTDs/schemas - conversion - ebooks - publishing - Web - B2B - training
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