Subject: [xsl] flat structure to hierarchy From: lui.alex@xxxxxxxxxx Date: Wed, 7 Aug 2002 12:13:31 +0800 |
I need to transform a flat structure XML to a more structured one with groupby. Input: <rows> <row> <tag1>a1</tag1> <tag2>b1</tag2> <tag3>c1</tag3> <tag4>d1</tag4> </row> <row> <tag1>a2</tag1> <tag2>b2</tag2> <tag3>c2</tag3> <tag4>d2</tag4> </row> <row> <tag1>a2</tag1> <tag2>b2</tag2> <tag3>c3</tag3> <tag4>d3</tag4> </row> <row> <tag1>a3</tag1> <tag2>b3</tag2> <tag3>c4</tag3> <tag4>d4</tag4> </row> </rows> Output: <records> <record level="0"> <tag1>a1</tag1> <tag2>b1</tag2> <record level="1"> <tag3>c1</tag3> <tag4>d1</tag4> </record </record> <record level="0"> <tag1>a2</tag1> <tag2>b2</tag2> <record level="1"> <tag3>c2</tag3> <tag4>d2</tag4> </record> <record level="1"> <tag3>c3</tag3> <tag4>d3</tag4> </record> </record> <record level="0"> <tag1>a3</tag1> <tag2>b3</tag2> <record level="1"> <tag3>c4</tag3> <tag4>d4</tag4> </record </record> </rows> You can assume that rows are sorted and related rows are grouped together. It seems that some sort of lookaheads are needed. How can this be done efficiently in XSL? Thanks in advance. Alex CONFIDENTIALITY: This communication and any attachment(s) is intended solely for the person or organisation to which it is addressed and it may be confidential. If you are not the intended recipient, employee or agent responsible for delivering the message to the intended recipient you must not copy, disclose, distribute or take any action in reliance on it. If you have received this communication in error, please notify the sender immediately and destroy the original. If this communication has been received by email please reply and highlight the error to the sender and delete the original. Thank you. XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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