1
|
BaseStemmer=function(){this.setCurrent=function(r){this.current=r;this.cursor=0;this.limit=this.current.length;this.limit_backward=0;this.bra=this.cursor;this.ket=this.limit};this.getCurrent=function(){return this.current};this.copy_from=function(r){this.current=r.current;this.cursor=r.cursor;this.limit=r.limit;this.limit_backward=r.limit_backward;this.bra=r.bra;this.ket=r.ket};this.in_grouping=function(r,t,i){if(this.cursor>=this.limit)return false;var s=this.current.charCodeAt(this.cursor);if(s>i||s<t)return false;s-=t;if((r[s>>>3]&1<<(s&7))==0)return false;this.cursor++;return true};this.in_grouping_b=function(r,t,i){if(this.cursor<=this.limit_backward)return false;var s=this.current.charCodeAt(this.cursor-1);if(s>i||s<t)return false;s-=t;if((r[s>>>3]&1<<(s&7))==0)return false;this.cursor--;return true};this.out_grouping=function(r,t,i){if(this.cursor>=this.limit)return false;var s=this.current.charCodeAt(this.cursor);if(s>i||s<t){this.cursor++;return true}s-=t;if((r[s>>>3]&1<<(s&7))==0){this.cursor++;return true}return false};this.out_grouping_b=function(r,t,i){if(this.cursor<=this.limit_backward)return false;var s=this.current.charCodeAt(this.cursor-1);if(s>i||s<t){this.cursor--;return true}s-=t;if((r[s>>>3]&1<<(s&7))==0){this.cursor--;return true}return false};this.eq_s=function(r){if(this.limit-this.cursor<r.length)return false;if(this.current.slice(this.cursor,this.cursor+r.length)!=r){return false}this.cursor+=r.length;return true};this.eq_s_b=function(r){if(this.cursor-this.limit_backward<r.length)return false;if(this.current.slice(this.cursor-r.length,this.cursor)!=r){return false}this.cursor-=r.length;return true};this.find_among=function(r){var t=0;var i=r.length;var s=this.cursor;var e=this.limit;var h=0;var u=0;var n=false;while(true){var c=t+(i-t>>>1);var a=0;var f=h<u?h:u;var l=r[c];var o;for(o=f;o<l[0].length;o++){if(s+f==e){a=-1;break}a=this.current.charCodeAt(s+f)-l[0].charCodeAt(o);if(a!=0)break;f++}if(a<0){i=c;u=f}else{t=c;h=f}if(i-t<=1){if(t>0)break;if(i==t)break;if(n)break;n=true}}do{var l=r[t];if(h>=l[0].length){this.cursor=s+l[0].length;if(l.length<4)return l[2];var v=l[3](this);this.cursor=s+l[0].length;if(v)return l[2]}t=l[1]}while(t>=0);return 0};this.find_among_b=function(r){var t=0;var i=r.length;var s=this.cursor;var e=this.limit_backward;var h=0;var u=0;var n=false;while(true){var c=t+(i-t>>1);var a=0;var f=h<u?h:u;var l=r[c];var o;for(o=l[0].length-1-f;o>=0;o--){if(s-f==e){a=-1;break}a=this.current.charCodeAt(s-1-f)-l[0].charCodeAt(o);if(a!=0)break;f++}if(a<0){i=c;u=f}else{t=c;h=f}if(i-t<=1){if(t>0)break;if(i==t)break;if(n)break;n=true}}do{var l=r[t];if(h>=l[0].length){this.cursor=s-l[0].length;if(l.length<4)return l[2];var v=l[3](this);this.cursor=s-l[0].length;if(v)return l[2]}t=l[1]}while(t>=0);return 0};this.replace_s=function(r,t,i){var s=i.length-(t-r);this.current=this.current.slice(0,r)+i+this.current.slice(t);this.limit+=s;if(this.cursor>=t)this.cursor+=s;else if(this.cursor>r)this.cursor=r;return s};this.slice_check=function(){if(this.bra<0||this.bra>this.ket||this.ket>this.limit||this.limit>this.current.length){return false}return true};this.slice_from=function(r){var t=false;if(this.slice_check()){this.replace_s(this.bra,this.ket,r);t=true}return t};this.slice_del=function(){return this.slice_from("")};this.insert=function(r,t,i){var s=this.replace_s(r,t,i);if(r<=this.bra)this.bra+=s;if(r<=this.ket)this.ket+=s};this.slice_to=function(){var r="";if(this.slice_check()){r=this.current.slice(this.bra,this.ket)}return r};this.assign_to=function(){return this.current.slice(0,this.limit)}};
|
