Add list-related functions

Graylog2 / graylog-plugin-pipeline-processor

[DEPRECATED] Graylog Pipeline Message Processor Plugins

https://www.graylog.org/

GNU General Public License v3.0

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Add list-related functions #198

Closed joschi closed 6 years ago

joschi commented 7 years ago

This change set adds several list-related functions to the pipeline processor:

list_contains()
list_contains_all()
list_is_empty()
list_size()
list_index_of()
list_last_index_of()
list_add()
list_add_all()
list_remove()
list_remove_at()
list_remove_all()
list_retain_all()
list_reverse()
sub_list()

bernd commented 7 years ago

@joschi Are there any specific use cases for this? I was wondering if we really need all of those since we don't really support list data types yet.

joschi commented 7 years ago

since we don't really support list data types yet.

As a matter of fact, Graylog does support (although more by accident than planned) arrays but users have no possibility to manipulate those in a pipeline rule (or anywhere else in the product).

I'm sure there was a trigger for creating this PR in the first place on IRC or in the discussion forums, but I'm unable to come up with it.

Feel free to close the PR if you don't want to merge it.