bravey
Version:
A simple JavaScript NLP-like library to help you creating your own bot.
135 lines (110 loc) • 6.55 kB
HTML
<html lang="en">
<head>
<meta charset="utf-8">
<title>JSDoc: Source: entityrecognizers/StringEntityRecognizer.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/StringEntityRecognizer.js</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code>/**
* Can recognize strings in a sentence.
* @constructor
* @param {string} entityName - The name of produced entities.
* @param {number} [priority=0] - Priority given to extracted entities.
*/
Bravey.StringEntityRecognizer = function(entityName, priority) {
var index = [];
var cache = {};
var sorted = false;
function reSort() {
index.sort(function(a, b) {
if (a.text.length > b.text.length) return -1;
if (a.text.length < b.text.length) return 1;
return 0;
});
}
/**
* Returns the recognizer entity name.
* @returns {string} The entity name.
*/
this.getName = function() {
return entityName;
}
/**
* Add a new string to the set.
* @param {string} entityId - The string returned ID.
* @param {string} entityText - The entity string.
* @returns true
*/
this.addMatch = function(entityId, entityText) {
entityText = Bravey.Text.clean(entityText);
if (!cache[entityText]) {
cache[entityText] = 1;
sorted = false;
index.push({
text: entityText,
id: entityId,
regex: new RegExp("\\b" + entityText + "\\b", "gi")
});
}
return true;
}
/**
* 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) {
string = Bravey.Text.clean(string);
if (!sorted) {
sorted = true;
reSort();
}
var piece, match;
if (!out) out = [];
var news, s = string;
for (var i = 0; i < index.length; i++) {
while ((match = index[i].regex.exec(s)) != null) {
piece = string.substr(match.index, match[0].length);
out.push({
position: match.index,
entity: entityName,
value: index[i].id,
string: piece,
priority: priority || 0
});
news = s.substr(0, match.index);
for (var j = 0; j < match[0].length; j++)
news += " ";
news += s.substr(match.index + match[0].length);
s = news;
}
}
return out;
}
}</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>