-
Notifications
You must be signed in to change notification settings - Fork 1
/
cli.js
130 lines (119 loc) · 4.23 KB
/
cli.js
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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
/**
* Copyright 2020 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
const fs = require('fs');
const path = require('path');
const minimist = require('minimist');
const n3 = require('n3');
const ShexValidator = require('./shexValidator').Validator;
const utils = require('./util');
const parser = require('./parser');
class CliError extends Error {
constructor(message) {
super(message);
this.name = "CliError";
}
}
function cliFormatToN3(val) {
switch (val) {
case undefined:
return 'N-Quads';
case 'nquads':
return 'N-Quads';
case 'ntriples':
return 'N-Triples';
case 'turtle':
return 'application/turtle';
case 'trig':
return 'application/trig';
default:
throw new CliError('Unknown output format');
}
}
function writeResult(val, args) {
if (!args.output) {
console.log(result);
} else {
fs.writeFileSync(args.output, val);
}
}
function writeQuads(quads, output, format) {
const writer = new n3.Writer({format: cliFormatToN3(format)});
quads.forEach(quad => writer.addQuad(quad.subject, quad.predicate, quad.object));
writer.end((error, result) => {
if (error) throw new CliError(error);
writeResult(result, args);
});
}
async function validateShEx(data, base, args) {
args.service = args.service || '';
const shapes = await utils.loadData(args.shex);
const annotations = args.annotations ? JSON.parse(await utils.loadData(args.annotations)) : undefined;
const validator = new ShexValidator(shapes, {annotations: annotations});
const report = await validator.validate(data, args.target, {baseUrl: base});
writeResult(JSON.stringify(report.failures, undefined, 2), args);
}
async function validateShacl(data, base, args) {
const shapes = await utils.loadData(args.shacl);
let subclasses, annotations;
if (args.subclasses) {
subclasses = await utils.loadData(args.subclasses);
}
if (args.annotations) {
annotations = JSON.parse(await utils.loadData(args.annotations));
}
const validator = new ShaclValidator(shapes, {
subclasses: subclasses,
annotations: annotations
});
const report = validator.validate(data, {baseUrl: base});
writeResult(JSON.stringify(report.failures, undefined, 2), args);
}
/**
* @param {args} args
* @return {Promise<void>}
*/
async function main(args) {
if (!args.input) throw new CliError('No input file path specified');
if (args.output && !fs.existsSync(path.parse(args.output).dir)) throw new CliError(`Output directory \'${path.parse(args.output).dir}\' doesn\'t exist`);
const data = fs.readFileSync(args.input).toString();
const base = args.base || utils.randomUrl()
if (args.parse) {
const quads = await parser.stringToQuads(data, base);
writeQuads(quads, args.output, args.format);
} else if (args.validate) {
if (args.shex && args.shacl) throw new CliError('Validation is possible for ShEx or SHACL, but not for both');
else if (args.shex) await validateShEx(data, base, args);
else if (args.shacl) await validateShacl(data, base, args);
else throw new CliError('No shapes provided for validation');
}
}
/**
* @typedef {{
* input: string
* output: string|undefined
* parse: boolean|undefined
* format: string|undefined
* validate: boolean|undefined
* shex: string|undefined
* shacl: string|undefined
* base: string|undefined
* target: string|undefined
* annotations: string|undefined
* subclasses: string|undefined
* }} args - possible options for args
*/
const args = minimist(process.argv.slice(2));
main(args);