forked from dgraph-io/dgraph
-
Notifications
You must be signed in to change notification settings - Fork 1
/
tokens.go
48 lines (42 loc) · 1.52 KB
/
tokens.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
/*
* Copyright (C) 2017 Dgraph Labs, Inc. and Contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package tok
import (
"gopkg.in/adibiarsotp/dgraph.v83/types"
"gopkg.in/adibiarsotp/dgraph.v83/x"
)
// Might want to allow user to replace this.
var termTokenizer TermTokenizer
var fullTextTokenizer FullTextTokenizer
func GetTokens(funcArgs []string) ([]string, error) {
return tokenize(funcArgs, termTokenizer)
}
func GetTextTokens(funcArgs []string, lang string) ([]string, error) {
t, found := GetTokenizer("fulltext" + lang)
if found {
return tokenize(funcArgs, t)
}
return nil, x.Errorf("Tokenizer not found for %s", "fulltext"+lang)
}
func tokenize(funcArgs []string, tokenizer Tokenizer) ([]string, error) {
if len(funcArgs) != 1 {
return nil, x.Errorf("Function requires 1 arguments, but got %d",
len(funcArgs))
}
sv := types.Val{types.StringID, funcArgs[0]}
return tokenizer.Tokens(sv)
}