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20. range vs. range-inside: element

This tutorial is obsolete. Please, use the new one.

Description

Here the results are different. The range function returns ranges covering the locations in the argument location-set. For each location x in the argument location-set, a range location representing the covering range of x is added to the result location set. The range-inside function returns ranges covering the contents of the locations in the argument location-set.



Range function
For elements the container node is the parent of the element. For nth element, the index of the start-point of the resulting location is n-1, the index of the end-point of the resulting location is n.
XPointer: xpointer(range(//AAA/BBB[2]))

 <AAA>
   <BBB bbb="111">
     Text in the first element BBB.</BBB>
<BBB bbb="222">
  Text in another element BBB.
  <DDD ddd="999">
    Text in more nested element.</DDD>
</BBB>
   <CCC ccc="123" xxx="321">
     Again some text in some element.</CCC>
 </AAA>
  • X marks point (zero width)
  • This style marks the container node.
  • This style marks resulting locations.
  • X marks collapsed range (zero width)


Range-inside function
If the argument is not a range, than it is used as a container location of the start- and end-points of the resulting range. In this example the container is //AAA/BBB[2].
XPointer: xpointer(range-inside(//AAA/BBB[2]))

 <AAA>
   <BBB bbb="111">
     Text in the first element BBB.</BBB>
   <BBB bbb="222">
Text in another element BBB.
<DDD ddd="999">
  Text in more nested element.</DDD>
   </BBB>
   <CCC ccc="123" xxx="321">
     Again some text in some element.</CCC>
 </AAA>
  • X marks point (zero width)
  • This style marks the container node.
  • This style marks resulting locations.
  • X marks collapsed range (zero width)



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