groovy

ERROR: parents() not implemented yet

Details

  • Type: Improvement Improvement
  • Status: Open Open
  • Priority: Major Major
  • Resolution: Unresolved
  • Affects Version/s: 1.8.6
  • Fix Version/s: None
  • Component/s: groovy-jdk
  • Labels:
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  • Number of attachments :
    0

Description

Looks like the parents() implemention has been missing since 2006. Perhaps it is forgotten? Would be a useful method to have.

d0b473f5 » paulk-asert
2006-10-21 add '**' to DOMCategory and XmlParser 163
164 public GPathResult parents() {
165 // TODO Auto-generated method stub
166 throw new GroovyRuntimeException("parents() not implemented yet");

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Paul King added a comment -

What use case do you have in mind?

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Paul King added a comment - What use case do you have in mind?
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Uri Moszkowicz added a comment -

I've used it in a few ways. One is to gather up a list of @name attributes for all nodes leading up to one so that it can be uniquely identified. Another is to inherit attributes from ancestor nodes.

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Uri Moszkowicz added a comment - I've used it in a few ways. One is to gather up a list of @name attributes for all nodes leading up to one so that it can be uniquely identified. Another is to inherit attributes from ancestor nodes.
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Paul King added a comment -

Your use cases make sense. There is a little bit of complication with how XmlSlurper defines parent() which is why there is currently no implementation for parents(). For DOMCategory and XmlParser, parent() means walk up the "DOM" tree one level. For XmlSlurper, it means unravel one level of GPathResult. If you have a GPath expression walking down the XML nodes, it amounts to the same thing but that is not always the case with GPath expressions.

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Paul King added a comment - Your use cases make sense. There is a little bit of complication with how XmlSlurper defines parent() which is why there is currently no implementation for parents(). For DOMCategory and XmlParser, parent() means walk up the "DOM" tree one level. For XmlSlurper, it means unravel one level of GPathResult. If you have a GPath expression walking down the XML nodes, it amounts to the same thing but that is not always the case with GPath expressions.

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  • Assignee:
    Unassigned
    Reporter:
    Uri Moszkowicz
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  • Created:
    Updated: