Subject: RE: [xsl] Unicode character blocks in strings From: tom tom <tomxsllist@xxxxxxxxxxx> Date: Fri, 29 May 2009 15:25:47 +0100 |
My confusion came when I was trying to the value 'IsCJKUnifiedIdeographs' in a variable and reference this in an attribute value template. If I store 'IsCJKUnifiedIdeographs' in the variable 'UnicodeCharBlock' \p{{{$UnicodeCharBlock}}} seems to work. If I understand you correctly the innermost {} flags the AVT, the outermost ones are the actual braces required for this expression. Are the middle ones to process the results of the first AVT within a second AVT? ---------------------------------------- > Date: Fri, 29 May 2009 07:50:00 -0400 > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > From: gkholman@xxxxxxxxxxxxxxxxxxxx > Subject: RE: [xsl] Unicode character blocks in strings > > At 2009-05-29 12:46 +0100, tom tom wrote: >>I don't understand why the regex \p{{IsCJKUnifiedIdeographs}} >>contains a double '{}' structure. Why doesn't \p{IsCJKUnifiedIdeographs} work? > > Because the value of the regex= attribute is an attribute value template. > > In an attribute value template, the single brace is a signal to > perform a "value-of" instruction with the contents as the value of > the select= expression. > > Since you need actual brace brackets in the attribute, you need to > double them up in order to escape the attribute value template parsing. > > This happens a lot when writing XSLT stylesheets that create Ant > scripts (a very useful design pattern). > > I hope this helps. > > . . . . . . . . . . . . Ken > > -- > XSLT/XSL-FO/XQuery hands-on training - Los Angeles, USA 2009-06-08 > Crane Softwrights Ltd. http://www.CraneSoftwrights.com/s/ > Training tools: Comprehensive interactive XSLT/XPath 1.0/2.0 video > Video lesson: http://www.youtube.com/watch?v=PrNjJCh7Ppg&fmt=18 > Video overview: http://www.youtube.com/watch?v=VTiodiij6gE&fmt=18 > G. Ken Holman mailto:gkholman@xxxxxxxxxxxxxxxxxxxx > Male Cancer Awareness Nov'07 http://www.CraneSoftwrights.com/s/bc > Legal business disclaimers: http://www.CraneSoftwrights.com/legal > _________________________________________________________________ Share your photos with Windows Live Photos Free. http://clk.atdmt.com/UKM/go/134665338/direct/01/
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