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turtle-web-editor
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support for stdin

This commit is contained in:
Pieter Colpaert 2014-04-28 15:08:22 +02:00
parent 3740a5e0ca
commit 6bfe07a4ca
2 changed files with 77 additions and 36 deletions
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109
TurtleValidator.js Normal file → Executable file
View File

@ -1,45 +1,84 @@
#!/usr/bin/env node
var N3 = require('n3'), fs = require('fs'), N3Util = N3.Util;
var N3 = require('n3'),
fs = require('fs'),
N3Util = N3.Util,
http = require('http'),
fs = require('fs');
if (!process.argv[2]) {
console.log('RDF N3/NTriples/Turtle file validator');
console.log('Usage: $ ttl <path-to-file>');
process.exit(1);
}
var validateStream = function (turtleStream) {
var parser = N3.Parser();
var errorCount = 0, warningCount = 0;
var regexp = {
'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])?$/,
'double' : /[-+]?\d*([.]\d+)?/,
'float' : /[-+]?\d*[.]\d+/,
'int' : /^[-+]?(0|[1-9]\d*)$/
};
console.log('Validating ' + process.argv[2]);
parser.parse(turtleStream, function(error, triple, prefixes) {
if (error) {
console.log(error);
errorCount++;
}
var parser = N3.Parser(), turtleStream = fs.createReadStream(process.argv[2]);
if (triple) {
if (N3Util.isLiteral(triple.object)) {
var value = N3Util.getLiteralValue(triple.object);
var type = N3Util.getLiteralType(triple.object);
var errorCount = 0, warningCount = 0;
var regexp = {
'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])?$/,
'double' : /[-+]?\d*([.]\d+)?/,
'float' : /[-+]?\d*[.]\d+/,
'int' : /^[-+]?(0|[1-9]\d*)$/
type = type.replace('http://www.w3.org/2001/XMLSchema#', '');
if (regexp[type] && !regexp[type].test(value)) {
console.log('WARNING: xsd:', type, 'does not validate for literal. {', triple.subject, triple.predicate, triple.object, '}');
warningCount++;
}
}
} else {
console.log('Validation done:', errorCount, 'errors and', warningCount ,'warnings found.');
}
});
};
parser.parse(turtleStream, function(error, triple, prefixes) {
if (error) {
console.log(error);
errorCount++;
}
var help = function () {
// In all other cases, let's help the user and return some help
console.log('RDF NTriples/Turtle validator using Ruben Verborgh\'s N3 nodejs library');
console.log('© 2014 - MMLab - Ghent University - iMinds');
console.log('Source code: https://github.com/MMLab/TurtleValidator');
console.log('');
console.log('Examples:');
console.log('');
console.log(' $ ttl <path-to-file>');
console.log(' $ curl http://data.linkeddatafragments.org/dbpedia -H "accept: text/turtle" | ttl');
console.log(' $ ttl http://triples.demo.thedatatank.com/demo.ttl');
};
if (process.argv[2] && (process.argv[2] === "-h" || process.argv[2] === "--help") ) {
help();
} else if (process.argv.length === 2) {
// Use stdio as an input stream
validateStream(process.stdin);
} else if (process.argv.length === 3 ) {
// Create a stream from the file, whether it is a local file or a http stream
var filename = process.argv[2];
fs.exists(filename, function (exists) {
if (exists) {
try{
validateStream(fs.createReadStream(filename));
} catch ( e ) {
console.error(e);
}
} else {
try{
validateStream(http.get(process.argv[2]));
} catch ( e ) {
console.error(e);
}
}
});
} else {
help();
}
if (triple) {
if (N3Util.isLiteral(triple.object)) {
var value = N3Util.getLiteralValue(triple.object);
var type = N3Util.getLiteralType(triple.object);
type = type.replace('http://www.w3.org/2001/XMLSchema#', '');
if (regexp[type] && !regexp[type].test(value)) {
console.log('WARNING: xsd:', type, 'does not validate for literal. {', triple.subject, triple.predicate, triple.object, '}');
warningCount++;
}
}
} else {
console.log('Validation done:', errorCount, 'errors and', warningCount ,'warnings found.');
}
});

4
package.json
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@ -3,7 +3,9 @@
"version": "0.1.0",
"description": "This command line tool validates Turtle documents and does XSD datatype checks",
"main": "TurtleValidator.js",
"bin" : { "ttl" : "./TurtleValidator.js" },
"bin": {
"ttl": "./TurtleValidator.js"
},
"dependencies": {
"n3": "~0.2.6"
},