You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
140 lines
21 KiB
140 lines
21 KiB
"""
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sphinx.search.nl
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~~~~~~~~~~~~~~~~
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Dutch search language: includes the JS porter stemmer.
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:copyright: Copyright 2007-2013 by the Sphinx team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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from typing import Dict
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import snowballstemmer
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from sphinx.search import SearchLanguage, parse_stop_word
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dutch_stopwords = parse_stop_word('''
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| source: http://snowball.tartarus.org/algorithms/dutch/stop.txt
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de | the
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en | and
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van | of, from
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ik | I, the ego
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te | (1) chez, at etc, (2) to, (3) too
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dat | that, which
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die | that, those, who, which
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in | in, inside
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een | a, an, one
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hij | he
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het | the, it
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niet | not, nothing, naught
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zijn | (1) to be, being, (2) his, one's, its
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is | is
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was | (1) was, past tense of all persons sing. of 'zijn' (to be) (2) wax, (3) the washing, (4) rise of river
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op | on, upon, at, in, up, used up
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aan | on, upon, to (as dative)
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met | with, by
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als | like, such as, when
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voor | (1) before, in front of, (2) furrow
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had | had, past tense all persons sing. of 'hebben' (have)
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er | there
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maar | but, only
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om | round, about, for etc
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hem | him
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dan | then
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zou | should/would, past tense all persons sing. of 'zullen'
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of | or, whether, if
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wat | what, something, anything
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mijn | possessive and noun 'mine'
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men | people, 'one'
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dit | this
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zo | so, thus, in this way
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door | through by
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over | over, across
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ze | she, her, they, them
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zich | oneself
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bij | (1) a bee, (2) by, near, at
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ook | also, too
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tot | till, until
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je | you
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mij | me
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uit | out of, from
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der | Old Dutch form of 'van der' still found in surnames
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daar | (1) there, (2) because
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haar | (1) her, their, them, (2) hair
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naar | (1) unpleasant, unwell etc, (2) towards, (3) as
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heb | present first person sing. of 'to have'
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hoe | how, why
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heeft | present third person sing. of 'to have'
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hebben | 'to have' and various parts thereof
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deze | this
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u | you
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want | (1) for, (2) mitten, (3) rigging
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nog | yet, still
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zal | 'shall', first and third person sing. of verb 'zullen' (will)
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me | me
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zij | she, they
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nu | now
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ge | 'thou', still used in Belgium and south Netherlands
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geen | none
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omdat | because
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iets | something, somewhat
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worden | to become, grow, get
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toch | yet, still
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al | all, every, each
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waren | (1) 'were' (2) to wander, (3) wares, (3)
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veel | much, many
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meer | (1) more, (2) lake
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doen | to do, to make
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toen | then, when
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moet | noun 'spot/mote' and present form of 'to must'
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ben | (1) am, (2) 'are' in interrogative second person singular of 'to be'
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zonder | without
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kan | noun 'can' and present form of 'to be able'
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hun | their, them
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dus | so, consequently
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alles | all, everything, anything
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onder | under, beneath
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ja | yes, of course
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eens | once, one day
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hier | here
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wie | who
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werd | imperfect third person sing. of 'become'
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altijd | always
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doch | yet, but etc
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wordt | present third person sing. of 'become'
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wezen | (1) to be, (2) 'been' as in 'been fishing', (3) orphans
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kunnen | to be able
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ons | us/our
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zelf | self
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tegen | against, towards, at
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na | after, near
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reeds | already
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wil | (1) present tense of 'want', (2) 'will', noun, (3) fender
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kon | could; past tense of 'to be able'
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niets | nothing
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uw | your
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iemand | somebody
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geweest | been; past participle of 'be'
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andere | other
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''')
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js_stemmer = """
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var JSX={};(function(m){function n(b,e){var a=function(){};a.prototype=e.prototype;var c=new a;for(var d in b){b[d].prototype=c}}function L(c,b){for(var a in b.prototype)if(b.prototype.hasOwnProperty(a))c.prototype[a]=b.prototype[a]}function e(a,b,d){function c(a,b,c){delete a[b];a[b]=c;return c}Object.defineProperty(a,b,{get:function(){return c(a,b,d())},set:function(d){c(a,b,d)},enumerable:true,configurable:true})}function K(a,b,c){return a[b]=a[b]/c|0}var I=parseInt;var E=parseFloat;function M(a){return a!==a}var B=isFinite;var A=encodeURIComponent;var z=decodeURIComponent;var y=encodeURI;var x=decodeURI;var w=Object.prototype.toString;var C=Object.prototype.hasOwnProperty;function l(){}m.require=function(b){var a=t[b];return a!==undefined?a:null};m.profilerIsRunning=function(){return l.getResults!=null};m.getProfileResults=function(){return(l.getResults||function(){return{}})()};m.postProfileResults=function(a,b){if(l.postResults==null)throw new Error('profiler has not been turned 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false}this.B_e_found=true;return!j(this)?false:true};a.prototype.r_e_ending=a.prototype.S;function o(c){var e;var g;c.B_e_found=false;c.B=c._;if(!d(c,1,'e')){return false}c.C=g=c._;if(!(!(c.I_p1<=g)?false:true)){return false}e=c.A-c._;if(!f(c,a.g_v,97,232)){return false}c._=c.A-e;if(!b(c,'')){return false}c.B_e_found=true;return!j(c)?false:true};a.prototype.T=function(){var e;var g;var c;var h;var i;if(!(!(this.I_p1<=this._)?false:true)){return false}e=this.A-this._;if(!f(this,a.g_v,97,232)){return false}i=this._=(h=this.A)-e;g=h-i;c=true;a:while(c===true){c=false;if(!d(this,3,'gem')){break a}return false}this._=this.A-g;return!b(this,'')?false:!j(this)?false:true};a.prototype.r_en_ending=a.prototype.T;function p(c){var g;var h;var e;var i;var k;if(!(!(c.I_p1<=c._)?false:true)){return false}g=c.A-c._;if(!f(c,a.g_v,97,232)){return false}k=c._=(i=c.A)-g;h=i-k;e=true;a:while(e===true){e=false;if(!d(c,3,'gem')){break a}return false}c._=c.A-h;return!b(c,'')?false:!j(c)?false:true};a.prototype.X=function(){var c;var v;var w;var x;var y;var z;var A;var B;var C;var D;var M;var m;var g;var i;var k;var l;var e;var n;var q;var r;var s;var E;var F;var G;var H;var I;var J;var K;var L;var t;var N;var u;v=this.A-this._;m=true;a:while(m===true){m=false;this.B=this._;c=h(this,a.a_3,5);if(c===0){break a}this.C=this._;switch(c){case 0:break a;case 1:if(!(!(this.I_p1<=this._)?false:true)){break a}if(!b(this,'heid')){return false}break;case 2:if(!p(this)){break a}break;case 3:if(!(!(this.I_p1<=this._)?false:true)){break a}if(!f(this,a.g_v_j,97,232)){break a}if(!b(this,'')){return false}break}}F=this._=(E=this.A)-v;w=E-F;g=true;a:while(g===true){g=false;if(!o(this)){break a}}I=this._=(H=this.A)-w;x=H-I;i=true;a:while(i===true){i=false;this.B=this._;if(!d(this,4,'heid')){break a}this.C=G=this._;if(!(!(this.I_p2<=G)?false:true)){break a}y=this.A-this._;k=true;b:while(k===true){k=false;if(!d(this,1,'c')){break b}break a}this._=this.A-y;if(!b(this,'')){return false}this.B=this._;if(!d(this,2,'en')){break a}this.C=this._;if(!p(this)){break a}}L=this._=(K=this.A)-x;z=K-L;l=true;a:while(l===true){l=false;this.B=this._;c=h(this,a.a_4,6);if(c===0){break a}this.C=this._;switch(c){case 0:break a;case 1:if(!(!(this.I_p2<=this._)?false:true)){break a}if(!b(this,'')){return false}e=true;c:while(e===true){e=false;A=this.A-this._;n=true;b:while(n===true){n=false;this.B=this._;if(!d(this,2,'ig')){break b}this.C=J=this._;if(!(!(this.I_p2<=J)?false:true)){break b}B=this.A-this._;q=true;d:while(q===true){q=false;if(!d(this,1,'e')){break d}break b}this._=this.A-B;if(!b(this,'')){return false}break c}this._=this.A-A;if(!j(this)){break a}}break;case 2:if(!(!(this.I_p2<=this._)?false:true)){break a}C=this.A-this._;r=true;b:while(r===true){r=false;if(!d(this,1,'e')){break b}break a}this._=this.A-C;if(!b(this,'')){return false}break;case 3:if(!(!(this.I_p2<=this._)?false:true)){break a}if(!b(this,'')){return false}if(!o(this)){break a}break;case 4:if(!(!(this.I_p2<=this._)?false:true)){break a}if(!b(this,'')){return false}break;case 5:if(!(!(this.I_p2<=this._)?false:true)){break a}if(!this.B_e_found){break a}if(!b(this,'')){return false}break}}u=this._=(N=this.A)-z;D=N-u;s=true;a:while(s===true){s=false;if(!f(this,a.g_v_I,73,232)){break a}M=this.A-this._;if(h(this,a.a_5,4)===0){break a}if(!f(this,a.g_v,97,232)){break a}t=this._=this.A-M;this.B=t;if(t<=this.E){break a}this._--;this.C=this._;if(!b(this,'')){return false}}this._=this.A-D;return true};a.prototype.r_standard_suffix=a.prototype.X;function J(c){var e;var w;var x;var y;var z;var A;var B;var C;var D;var E;var N;var g;var i;var k;var l;var m;var n;var q;var r;var s;var t;var F;var G;var H;var I;var J;var K;var L;var M;var u;var O;var v;w=c.A-c._;g=true;a:while(g===true){g=false;c.B=c._;e=h(c,a.a_3,5);if(e===0){break a}c.C=c._;switch(e){case 0:break a;case 1:if(!(!(c.I_p1<=c._)?false:true)){break a}if(!b(c,'heid')){return false}break;case 2:if(!p(c)){break a}break;case 3:if(!(!(c.I_p1<=c._)?false:true)){break a}if(!f(c,a.g_v_j,97,232)){break a}if(!b(c,'')){return false}break}}G=c._=(F=c.A)-w;x=F-G;i=true;a:while(i===true){i=false;if(!o(c)){break a}}J=c._=(I=c.A)-x;y=I-J;k=true;a:while(k===true){k=false;c.B=c._;if(!d(c,4,'heid')){break a}c.C=H=c._;if(!(!(c.I_p2<=H)?false:true)){break a}z=c.A-c._;l=true;b:while(l===true){l=false;if(!d(c,1,'c')){break b}break a}c._=c.A-z;if(!b(c,'')){return false}c.B=c._;if(!d(c,2,'en')){break a}c.C=c._;if(!p(c)){break a}}M=c._=(L=c.A)-y;A=L-M;m=true;a:while(m===true){m=false;c.B=c._;e=h(c,a.a_4,6);if(e===0){break a}c.C=c._;switch(e){case 0:break a;case 1:if(!(!(c.I_p2<=c._)?false:true)){break a}if(!b(c,'')){return false}n=true;c:while(n===true){n=false;B=c.A-c._;q=true;b:while(q===true){q=false;c.B=c._;if(!d(c,2,'ig')){break b}c.C=K=c._;if(!(!(c.I_p2<=K)?false:true)){break b}C=c.A-c._;r=true;d:while(r===true){r=false;if(!d(c,1,'e')){break d}break b}c._=c.A-C;if(!b(c,'')){return false}break c}c._=c.A-B;if(!j(c)){break a}}break;case 2:if(!(!(c.I_p2<=c._)?false:true)){break a}D=c.A-c._;s=true;b:while(s===true){s=false;if(!d(c,1,'e')){break b}break a}c._=c.A-D;if(!b(c,'')){return false}break;case 3:if(!(!(c.I_p2<=c._)?false:true)){break a}if(!b(c,'')){return false}if(!o(c)){break a}break;case 4:if(!(!(c.I_p2<=c._)?false:true)){break a}if(!b(c,'')){return false}break;case 5:if(!(!(c.I_p2<=c._)?false:true)){break a}if(!c.B_e_found){break a}if(!b(c,'')){return false}break}}v=c._=(O=c.A)-A;E=O-v;t=true;a:while(t===true){t=false;if(!f(c,a.g_v_I,73,232)){break a}N=c.A-c._;if(h(c,a.a_5,4)===0){break a}if(!f(c,a.g_v,97,232)){break a}u=c._=c.A-N;c.B=u;if(u<=c.E){break a}c._--;c.C=c._;if(!b(c,'')){return false}}c._=c.A-E;return true};a.prototype.J=function(){var f;var g;var h;var b;var a;var c;var d;var i;var j;var e;f=this._;b=true;a:while(b===true){b=false;if(!F(this)){break a}}i=this._=f;g=i;a=true;a:while(a===true){a=false;if(!G(this)){break a}}j=this._=g;this.E=j;this._=this.A;c=true;a:while(c===true){c=false;if(!J(this)){break a}}e=this._=this.E;h=e;d=true;a:while(d===true){d=false;if(!H(this)){break a}}this._=h;return true};a.prototype.stem=a.prototype.J;a.prototype.N=function(b){return b instanceof a};a.prototype.equals=a.prototype.N;a.prototype.O=function(){var c;var a;var b;var d;c='DutchStemmer';a=0;for(b=0;b<c.length;b++){d=c.charCodeAt(b);a=(a<<5)-a+d;a=a&a}return a|0};a.prototype.hashCode=a.prototype.O;a.serialVersionUID=1;e(a,'methodObject',function(){return new a});e(a,'a_0',function(){return[new c('',-1,6),new c('á',0,1),new c('ä',0,1),new c('é',0,2),new c('ë',0,2),new c('í',0,3),new c('ï',0,3),new c('ó',0,4),new c('ö',0,4),new c('ú',0,5),new c('ü',0,5)]});e(a,'a_1',function(){return[new c('',-1,3),new c('I',0,2),new c('Y',0,1)]});e(a,'a_2',function(){return[new c('dd',-1,-1),new c('kk',-1,-1),new c('tt',-1,-1)]});e(a,'a_3',function(){return[new c('ene',-1,2),new c('se',-1,3),new c('en',-1,2),new c('heden',2,1),new c('s',-1,3)]});e(a,'a_4',function(){return[new c('end',-1,1),new c('ig',-1,2),new c('ing',-1,1),new c('lijk',-1,3),new c('baar',-1,4),new c('bar',-1,5)]});e(a,'a_5',function(){return[new c('aa',-1,-1),new c('ee',-1,-1),new c('oo',-1,-1),new c('uu',-1,-1)]});e(a,'g_v',function(){return[17,65,16,1,0,0,0,0,0,0,0,0,0,0,0,0,128]});e(a,'g_v_I',function(){return[1,0,0,17,65,16,1,0,0,0,0,0,0,0,0,0,0,0,0,128]});e(a,'g_v_j',function(){return[17,67,16,1,0,0,0,0,0,0,0,0,0,0,0,0,128]});var t={'src/stemmer.jsx':{Stemmer:s},'src/dutch-stemmer.jsx':{DutchStemmer:a}}}(JSX))
|
|
var Stemmer = JSX.require("src/dutch-stemmer.jsx").DutchStemmer;
|
|
"""
|
|
|
|
|
|
class SearchDutch(SearchLanguage):
|
|
lang = 'nl'
|
|
language_name = 'Dutch'
|
|
js_stemmer_rawcode = 'dutch-stemmer.js'
|
|
js_stemmer_code = js_stemmer
|
|
stopwords = dutch_stopwords
|
|
|
|
def init(self, options: Dict) -> None:
|
|
self.stemmer = snowballstemmer.stemmer('dutch')
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|
|
|
def stem(self, word: str) -> str:
|
|
return self.stemmer.stemWord(word.lower())
|