44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
var N3 = require('n3'), fs = require('fs'), N3Util = N3.Util;
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if (!process.argv[2]) {
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console.log('RDF N3/NTriples/Turtle file validator');
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console.log('Usage: $ node N3Validator.js <path-to-file>');
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process.exit(1);
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}
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console.log('Validating ' + process.argv[2]);
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var parser = N3.Parser(), turtleStream = fs.createReadStream(process.argv[2]);
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var errorCount = 0, warningCount = 0;
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var regexp = {
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'dateTime' : /^(-?(?:[1-9][0-9]*)?[0-9]{4})-(1[0-2]|0[1-9])-(3[0-1]|0[1-9]|[1-2][0-9])?T(2[0-3]|[0-1][0-9]):([0-5][0-9]):([0-5][0-9])(\.[0-9]+)??(Z|[+-](?:2[0-3]|[0-1][0-9]):[0-5][0-9])?$/,
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'double' : /[-+]?\d*([.]\d+)?/,
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'float' : /[-+]?\d*[.]\d+/,
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'int' : /^[-+]?(0|[1-9]\d*)$/
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};
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parser.parse(turtleStream, function(error, triple, prefixes) {
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if (error) {
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console.log(error);
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errorCount++;
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}
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if (triple) {
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if (N3Util.isLiteral(triple.object)) {
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var value = N3Util.getLiteralValue(triple.object);
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var type = N3Util.getLiteralType(triple.object);
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type = type.replace('http://www.w3.org/2001/XMLSchema#', '');
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if (regexp[type] && !regexp[type].test(value)) {
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console.log('WARNING: xsd:', type, 'does not validate for literal. {', triple.subject, triple.predicate, triple.object, '}');
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warningCount++;
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}
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}
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} else {
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console.log('Validation done:', errorCount, 'errors and', warningCount ,'warnings found.');
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}
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});
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