Subject: Re: [xsl] How to copy attribute value to text? (Suspected bug involving supplementary characters) From: "Kenneth Reid Beesley krbeesley@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> Date: Thu, 7 Jul 2016 18:54:30 -0000 |
From: Kenneth Reid Beesley <krbeesley@xxxxxxxxx> Subject: Re: [XSL-List: The Open Forum on XSL] Digest for 2016-07-06 Date: July 7, 2016 at 12:43:54 PM EDT To: "XSL-List: The Open Forum on XSL" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> Many thanks to Martin Honnen for his response below. I add more comments below (suspected bug in Saxon). > On 7Jul2016, at 05:28, XSL-List: The Open Forum on XSL <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx <mailto:xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>> wrote: > > From: Martin Honnen <martin.honnen@xxxxxx <mailto:martin.honnen@xxxxxx>> > Subject: Re: [xsl] How to copy attribute value to text? > Date: 7 July 2016 at 00:43:37 MDT > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx <mailto:xsl-list@xxxxxxxxxxxxxxxxxxxxxx> > > > On 07.07.2016 07:22, Kenneth Reid Beesley krbeesley@xxxxxxxxx <mailto:krbeesley@xxxxxxxxx> wrote: >> If I start with an input XML document that contains mixed text with <word> elements like this: >> >> b& this is just <word correction=btoob>to</word> funny >> >> Ibd like to write an XSLT stylesheet that yields as output >> >> b& this is just <word origerror=btob>too</word> funny >> >> So in the output I effectively want (in the same <word> element) to >> >> 1. Set the value of a new attribute to the original text() value, and >> 2. Reset the text() value to be the value of the original @correction attribute >> >> Ibve tried many variants of the following, so far without success. Ibm using SaxonHE9-7-0-6J; >> it runs, but the results are not as expected/hoped. > >> Ibve tried matching the text() in a separate template, but I canbt seem to reference the attribute values of the parent node (i.e., <word>) of the text() and the parent nodebs attributes. E.g, the following doesnbt work for me, failing somehow in the >> select=b../@correctionb reference. >> >> <xsl:template match=bword[@correction]/text()b> >> <xsl:value-of select=b../@correctionb/> >> </xsl:template> > > > You can use > > <xsl:template match="@* | node()"> > <xsl:copy> > <xsl:apply-templates select="@* | node()"/> > </xsl:copy> > </xsl:template> > > <xsl:template match="word[@correction]/text()"> > <xsl:value-of select="../@correction"/> > </xsl:template> > > <xsl:template match="word/@correction"> > <xsl:attribute name="origerror" select=".."/> > </xsl:template> Your solution looks perfect and appears to work perfectly for ASCII-based XML input examples like the following <?xml version="1.0" encoding="UTF-8"?> <foo> <bar>this is just <word correction="too">to</word> funny</bar> </foo> yielding the correct/desired output <?xml version="1.0" encoding="UTF-8"?> <foo> <bar>this is just <word origerror="to">too</word> funny</bar> </foo> I now see that some of my own attempts also worked, on the same ASCII-based example. ***** Suspected bug involving supplementary characters ***** But my real task involves an input XML document, in UTF-8 encoding, that consists of Deseret Alphabet characters, which are encoded in the supplementary area. In such a case, the resulting text content in the <word> element, copied from an original attribute value, is corrupted. I saw such corruption in my own attempts, and couldnbt understand what was happening. Using the following input document (the Deseret Alphabet characters may not display correctly for you) <?xml version="1.0" encoding="UTF-8"?> <foo> <bar>pp.p p.p p>p2pp; <word correction="p;p-">pp/p p.</word> pp2pp.</bar> </foo> the output, using your script, is corrupted. The text() value in the output is not the same as the original @correction value. Extra characters (just one in this case) are inserted. The longer the original attribute value, the more extra characters are inserted. <?xml version="1.0" encoding="UTF-8"?> <foo> <bar>pp.p p.p p>p2pp; <word origerror="pp/p p.">p;p;p-</word> pp2pp.</bar> </foo> This kind of corruption is exactly what I was seeing using my own scripts, leading me to bother the group. I suspect a bug in the XSLT engine involving supplementary characters. Again, Ibm using SaxonHE9-7-0-6J. Whatbs my next step? Thanks, Ken ******************************** Kenneth R. Beesley, D.Phil. PO Box 540475 North Salt Lake UT 84054 USA ******************************** Kenneth R. Beesley, D.Phil. PO Box 540475 North Salt Lake UT 84054 USA
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