Subject: Re: [xsl] counting characters in an XML document From: Steve.Ball@xxxxxxxxx Date: Thu, 25 Oct 2001 07:20:59 +1000 |
Mike Brown wrote: > > Tom Melkonian wrote: > > Does anyone know how I can use XSL to count the number of characters in an > > XML document. I want to process the XML so that, if there are less than a > > certain amount of characters, a certain message gets printed. Another option > > could be counting number of tags (elements) > [...snip...] > > So you can easily count element nodes: > <xsl:value-of select="count(//*)"/> > > Or all nodes: > <xsl:value-of select="count(//node())"/> Further example: to count the number of characters in the character data of the document you could use: <xsl:value-of select="string-length(/*)"/> Eg. <xsl:if test="string-length(/*) ≷ $minchars"> <xsl:message>The document has less than <xsl:value-of select="$minchars"/> characters.</xsl:message> </xsl:if> > But guessing at the original representation of the document as a string of > characters, when you all have to go on is the node tree, is impossible to > do with any accuracy. Very true. Bear in mind that an XML document's infoset can have many physical representations. Cheers, Steve Ball -- Steve Ball | XSLT Standard Library | Training & Seminars Zveno Pty Ltd | Web Tcl Complete | XML XSL Schemas http://www.zveno.com/ | TclXML TclDOM | Tcl, Web Development Steve.Ball@xxxxxxxxx +---------------------------+--------------------- Ph. +61 2 6242 4099 | Mobile (0413) 594 462 | Fax +61 2 6242 4099 XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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