mvdan.cc
1// Copyright 2019 CUE Authors
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package jsonschema
16
17import (
18 "cuelang.org/go/cue"
19 "cuelang.org/go/cue/ast"
20 "cuelang.org/go/cue/token"
21)
22
23// String constraints
24
25func constraintContentEncoding(key string, n cue.Value, s *state) {
26 // TODO: only mark as used if it generates something.
27 // 7bit, 8bit, binary, quoted-printable and base64.
28 // RFC 2054, part 6.1.
29 // https://tools.ietf.org/html/rfc2045
30 // TODO: at least handle bytes.
31}
32
33func constraintContentMediaType(key string, n cue.Value, s *state) {
34 // TODO: only mark as used if it generates something.
35}
36
37func constraintMaxLength(key string, n cue.Value, s *state) {
38 max := s.uint(n)
39 strings := s.addImport(n, "strings")
40 s.add(n, stringType, ast.NewCall(ast.NewSel(strings, "MaxRunes"), max))
41}
42
43func constraintMinLength(key string, n cue.Value, s *state) {
44 min := s.uint(n)
45 strings := s.addImport(n, "strings")
46 s.add(n, stringType, ast.NewCall(ast.NewSel(strings, "MinRunes"), min))
47}
48
49func constraintPattern(key string, n cue.Value, s *state) {
50 str, ok := s.regexpValue(n)
51 if !ok {
52 return
53 }
54 s.add(n, stringType, &ast.UnaryExpr{Op: token.MAT, X: str})
55}