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Diffstat (limited to 'sphinx/search/nl.py')
| -rw-r--r-- | sphinx/search/nl.py | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/sphinx/search/nl.py b/sphinx/search/nl.py new file mode 100644 index 0000000..a610b12 --- /dev/null +++ b/sphinx/search/nl.py @@ -0,0 +1,127 @@ +"""Dutch search language: includes the JS porter stemmer.""" + +from __future__ import annotations + +from typing import TYPE_CHECKING, Dict + +import snowballstemmer + +from sphinx.search import SearchLanguage, parse_stop_word + +dutch_stopwords = parse_stop_word(''' +| source: http://snowball.tartarus.org/algorithms/dutch/stop.txt +de | the +en | and +van | of, from +ik | I, the ego +te | (1) chez, at etc, (2) to, (3) too +dat | that, which +die | that, those, who, which +in | in, inside +een | a, an, one +hij | he +het | the, it +niet | not, nothing, naught +zijn | (1) to be, being, (2) his, one's, its +is | is +was | (1) was, past tense of all persons sing. of 'zijn' (to be) (2) wax, (3) the washing, (4) rise of river +op | on, upon, at, in, up, used up +aan | on, upon, to (as dative) +met | with, by +als | like, such as, when +voor | (1) before, in front of, (2) furrow +had | had, past tense all persons sing. of 'hebben' (have) +er | there +maar | but, only +om | round, about, for etc +hem | him +dan | then +zou | should/would, past tense all persons sing. of 'zullen' +of | or, whether, if +wat | what, something, anything +mijn | possessive and noun 'mine' +men | people, 'one' +dit | this +zo | so, thus, in this way +door | through by +over | over, across +ze | she, her, they, them +zich | oneself +bij | (1) a bee, (2) by, near, at +ook | also, too +tot | till, until +je | you +mij | me +uit | out of, from +der | Old Dutch form of 'van der' still found in surnames +daar | (1) there, (2) because +haar | (1) her, their, them, (2) hair +naar | (1) unpleasant, unwell etc, (2) towards, (3) as +heb | present first person sing. of 'to have' +hoe | how, why +heeft | present third person sing. of 'to have' +hebben | 'to have' and various parts thereof +deze | this +u | you +want | (1) for, (2) mitten, (3) rigging +nog | yet, still +zal | 'shall', first and third person sing. of verb 'zullen' (will) +me | me +zij | she, they +nu | now +ge | 'thou', still used in Belgium and south Netherlands +geen | none +omdat | because +iets | something, somewhat +worden | to become, grow, get +toch | yet, still +al | all, every, each +waren | (1) 'were' (2) to wander, (3) wares, (3) +veel | much, many +meer | (1) more, (2) lake +doen | to do, to make +toen | then, when +moet | noun 'spot/mote' and present form of 'to must' +ben | (1) am, (2) 'are' in interrogative second person singular of 'to be' +zonder | without +kan | noun 'can' and present form of 'to be able' +hun | their, them +dus | so, consequently +alles | all, everything, anything +onder | under, beneath +ja | yes, of course +eens | once, one day +hier | here +wie | who +werd | imperfect third person sing. of 'become' +altijd | always +doch | yet, but etc +wordt | present third person sing. of 'become' +wezen | (1) to be, (2) 'been' as in 'been fishing', (3) orphans +kunnen | to be able +ons | us/our +zelf | self +tegen | against, towards, at +na | after, near +reeds | already +wil | (1) present tense of 'want', (2) 'will', noun, (3) fender +kon | could; past tense of 'to be able' +niets | nothing +uw | your +iemand | somebody +geweest | been; past participle of 'be' +andere | other +''') + + +class SearchDutch(SearchLanguage): + lang = 'nl' + language_name = 'Dutch' + js_stemmer_rawcode = 'dutch-stemmer.js' + stopwords = dutch_stopwords + + def init(self, options: dict) -> None: + self.stemmer = snowballstemmer.stemmer('dutch') + + def stem(self, word: str) -> str: + return self.stemmer.stemWord(word.lower()) |