Subject: [xsl] Help using recursion on descendants of siblings From: joseph.a.gilvary@xxxxxxxxxx Date: Wed, 5 Dec 2007 12:23:13 -0500 |
Hi, First, I apologize if I overlooked an XSLT 1.0 solution for this in the FAQ. I did spend some time searching before deciding to post. I have an input file with a structure like this one's. <menu> <menu-item name="appetizer"> <value>Nachos</value> <value>Potato skins</value> </menu-item> <menu-item name="entree"> <value>Chicken pot pie</value> <value>Pasta</value> <value>Steak and potatoes</value> <value>Tacos</value> </menu-item> <menu-item name="dessert"> <value>Blueberry pie</value> <value>Chocolate ice cream</value> <value>Strawberry cheesecake</value> </menu-item> </menu> I want output records that look like this: <meal> <appetizer>Nachos</appetizer> <entree>Tacos</entree> <dessert><Strawberry cheesecake</dessert> </meal> I want to generate a record for each of the 24 possible meals that one could prepare (without regard to palatability!) in combinations of distinct values from each <menu-item>. My real world problem has a much larger input file (many more nodes at the <menu-item> level with far more <value> nodes for each) which itself has potential to increase over the life of the solution. For something this small, I could hard code the references to the particular <menu-item> values, but that's not feasible for my real-world problem. Somewhat better would be a stylesheet to produce that hard coded spreadsheet and thereby support later inputs with more <menu-item> nodes, but that still strikes me as a very procedural way to approach this. I just don't see how to get past carrying context related to position within the value collection for each of the following-siblings. Is my procedural mindset (Thank you, Java!) blinding me to a general declarative solution? I'm using Xalan now. Would moving to Saxon for XSLT 2 open possibilities that don't exist for XSLT 1.0? Thanks, Joe
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