bravey
Version:
A simple JavaScript NLP-like library to help you creating your own bot.
138 lines (112 loc) • 7.23 kB
HTML
<html lang="en">
<head>
<meta charset="utf-8">
<title>JSDoc: Source: entityrecognizers/FreeTextEntityRecognizer.js</title>
<script src="scripts/prettify/prettify.js"> </script>
<script src="scripts/prettify/lang-css.js"> </script>
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css">
<link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css">
</head>
<body>
<div id="main">
<h1 class="page-title">Source: entityrecognizers/FreeTextEntityRecognizer.js</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code>/**
* Can recognize free text in a sentence. Explicit with <tt>"free text"</tt>. It works with {@link Bravey.nlp.Sequential} only. BETA!
* @constructor
* @param {string} entityName - The name of produced entities.
* @param {number} [priority=0] - Priority given to extracted entities.
*/
Bravey.FreeTextEntityRecognizer = function(entityName, priority) {
var quotes = /\"([^\"]*)\"/;
var prefixes = [];
var conjunctions = [];
/**
* Returns the recognizer entity name.
* @returns {string} The entity name.
*/
this.getName = function() {
return entityName;
}
/**
* Adds a sentence prefix. (i.e. "with <tt>title</tt> ...")
* @param {string} string - The prefix to be added.
*/
this.addPrefix = function(prefix) {
if (prefixes.indexOf(prefix) == -1) prefixes.push(prefix);
}
/**
* Adds a sentence conjunction. (i.e. "which title <tt>is</tt>...")
* @param {string} string - The conjunction to be added.
*/
this.addConjunction = function(conjunction) {
conjunctions.push(new RegExp("^\\b" + conjunction + "\\b", "gi"));
conjunctions.push(new RegExp("\\b" + conjunction + "\\b$", "gi"));
}
/**
* Returns all found entities in a sentence. Returned entities value is <tt>string</tt>.
* @param {string} string - The sentence to be checked.
* @param {Entity[]} [out=[]] - The array in which the found entities will be added.
* @returns {Entity[]} The set of found entities.
*/
this.getEntities = function(string, out) {
return out;
}
this.expand = function(match) { // @TODO: This part can be improved.
var pos, found, foundcrop = -1,
foundpos = -1;
if ((found = quotes.exec(match.string)) != null) {
match.position += found.index + 1;
match.string = found[1];
} else {
for (var i = 0; i < prefixes.length; i++) {
if (((pos = match.string.indexOf(prefixes[i])) != -1) && ((foundpos == -1) || (pos < foundpos))) {
foundpos = pos;
foundcrop = pos + prefixes[i].length;
}
}
if (foundcrop != -1) {
match.position += foundcrop;
match.string = match.string.substr(foundcrop);
}
Bravey.Text.entityTrim(match);
do {
foundpos = 0;
for (var i = 0; i < conjunctions.length; i++) {
if ((found = conjunctions[i].exec(match.string)) != null) {
foundpos = 1;
if (found.index == 0) {
match.string = match.string.substr(found[0].length);
match.position += found[0].length;
} else {
match.string = match.string.substr(0, found.index);
}
Bravey.Text.entityTrim(match);
}
}
} while (foundpos);
if ((pos = match.string.lastIndexOf(".")) != -1) match.string = match.string.substr(0, pos);
Bravey.Text.entityTrim(match);
}
match.value = match.string;
}
}</code></pre>
</article>
</section>
</div>
<nav>
<h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="Bravey.ApiAiAdapter.html">ApiAiAdapter</a></li><li><a href="Bravey.ContextManager.html">ContextManager</a></li><li><a href="Bravey.DocumentClassifier.html">DocumentClassifier</a></li><li><a href="Bravey.EMailEntityRecognizer.html">EMailEntityRecognizer</a></li><li><a href="Bravey.Filter.BasicFilter.html">BasicFilter</a></li><li><a href="Bravey.FreeTextEntityRecognizer.html">FreeTextEntityRecognizer</a></li><li><a href="Bravey.Language.EN.DateEntityRecognizer.html">DateEntityRecognizer</a></li><li><a href="Bravey.Language.EN.FreeTextEntityRecognizer.html">FreeTextEntityRecognizer</a></li><li><a href="Bravey.Language.EN.NumberEntityRecognizer.html">NumberEntityRecognizer</a></li><li><a href="Bravey.Language.EN.Stemmer.html">Stemmer</a></li><li><a href="Bravey.Language.EN.TimeEntityRecognizer.html">TimeEntityRecognizer</a></li><li><a href="Bravey.Language.EN.TimePeriodEntityRecognizer.html">TimePeriodEntityRecognizer</a></li><li><a href="Bravey.Language.IT.DateEntityRecognizer.html">DateEntityRecognizer</a></li><li><a href="Bravey.Language.IT.FreeTextEntityRecognizer.html">FreeTextEntityRecognizer</a></li><li><a href="Bravey.Language.IT.NumberEntityRecognizer.html">NumberEntityRecognizer</a></li><li><a href="Bravey.Language.IT.Stemmer.html">Stemmer</a></li><li><a href="Bravey.Language.IT.TimeEntityRecognizer.html">TimeEntityRecognizer</a></li><li><a href="Bravey.Language.IT.TimePeriodEntityRecognizer.html">TimePeriodEntityRecognizer</a></li><li><a href="Bravey.Language.PT.DateEntityRecognizer.html">DateEntityRecognizer</a></li><li><a href="Bravey.Language.PT.FreeTextEntityRecognizer.html">FreeTextEntityRecognizer</a></li><li><a href="Bravey.Language.PT.NumberEntityRecognizer.html">NumberEntityRecognizer</a></li><li><a href="Bravey.Language.PT.Stemmer.html">Stemmer</a></li><li><a href="Bravey.Language.PT.TimeEntityRecognizer.html">TimeEntityRecognizer</a></li><li><a href="Bravey.Language.PT.TimePeriodEntityRecognizer.html">TimePeriodEntityRecognizer</a></li><li><a href="Bravey.Nlp.Fuzzy.html">Fuzzy</a></li><li><a href="Bravey.Nlp.Sequential.html">Sequential</a></li><li><a href="Bravey.NumberEntityRecognizer.html">NumberEntityRecognizer</a></li><li><a href="Bravey.RegexEntityRecognizer.html">RegexEntityRecognizer</a></li><li><a href="Bravey.SessionManager.InMemorySessionManager.html">InMemorySessionManager</a></li><li><a href="Bravey.StringEntityRecognizer.html">StringEntityRecognizer</a></li><li><a href="Bravey.Text.RegexMap.html">RegexMap</a></li></ul><h3>Namespaces</h3><ul><li><a href="Bravey.html">Bravey</a></li><li><a href="Bravey.Data.html">Data</a></li><li><a href="Bravey.Date.html">Date</a></li><li><a href="Bravey.File.html">File</a></li><li><a href="Bravey.Filter.html">Filter</a></li><li><a href="Bravey.Language.html">Language</a></li><li><a href="Bravey.Language.EN.html">EN</a></li><li><a href="Bravey.Language.IT.html">IT</a></li><li><a href="Bravey.Language.PT.html">PT</a></li><li><a href="Bravey.Nlp.html">Nlp</a></li><li><a href="Bravey.SessionManager.html">SessionManager</a></li><li><a href="Bravey.Text.html">Text</a></li></ul><h3><a href="global.html">Global</a></h3>
</nav>
<br class="clear">
<footer>
Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.4.3</a>
</footer>
<script> prettyPrint(); </script>
<script src="scripts/linenumber.js"> </script>
</body>
</html>