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introduce sanitizer step before token analysis

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Sanatizer functions allow to transform name and address tags before
they are handed to the tokenizer. Theses transformations are visible
only for the tokenizer and thus only have an influence on the
search terms and address match terms for a place.

Currently two sanitizers are implemented which are responsible for
splitting names with multiple values and removing bracket additions.
Both was previously hard-coded in the tokenizer.
This commit is contained in:
Sarah Hoffmann
2021-09-30 21:30:13 +02:00
parent 16daa57e47
commit 8171fe4571
8 changed files with 259 additions and 58 deletions
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3
settings/icu_tokenizer.yaml
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@@ -24,6 +24,9 @@ transliteration:
- "[^[:Ascii:]] >"
- ":: lower ()"
- ":: NFC ()"
sanitizers:
- step: split-name-list
- step: strip-brace-terms
variants:
- !include icu-rules/variants-bg.yaml
- !include icu-rules/variants-ca.yaml