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XMLHttpRequest API JSDoc
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David Rowe
parent
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commit
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2 changed files with 255 additions and 0 deletions
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@ -110,6 +110,10 @@ QScriptValue XMLHttpRequestClass::getResponseHeader(const QString& name) const {
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return QScriptValue::NullValue;
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}
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/**jsdoc
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* Called when the request's ready state changes.
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* @callback XMLHttpRequest~onReadyStateChangeCallback
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*/
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void XMLHttpRequestClass::setReadyState(ReadyState readyState) {
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if (readyState != _readyState) {
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_readyState = readyState;
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@ -183,6 +187,10 @@ void XMLHttpRequestClass::doSend() {
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}
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}
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/**jsdoc
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* Called when the request times out.
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* @callback XMLHttpRequest~onTimeoutCallback
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*/
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void XMLHttpRequestClass::requestTimeout() {
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if (_onTimeout.isFunction()) {
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_onTimeout.call(QScriptValue::NullValue);
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@ -21,6 +21,132 @@
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#include <QScriptValue>
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#include <QTimer>
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/*
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XMlHttpRequest object
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XMlHttpRequest.objectName string
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XMlHttpRequest.response undefined
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XMlHttpRequest.responseText string
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XMlHttpRequest.responseType string
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XMlHttpRequest.status number
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XMlHttpRequest.statusText string
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XMlHttpRequest.readyState number
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XMlHttpRequest.errorCode number
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XMlHttpRequest.timeout number
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XMlHttpRequest.UNSENT number
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XMlHttpRequest.OPENED number
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XMlHttpRequest.HEADERS_RECEIVED number
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XMlHttpRequest.LOADING number
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XMlHttpRequest.DONE number
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XMlHttpRequest.ontimeout object
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XMlHttpRequest.onreadystatechange object
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XMlHttpRequest.destroyed(QObject*) function
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XMlHttpRequest.destroyed() function
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XMlHttpRequest.objectNameChanged(QString) function
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XMlHttpRequest.deleteLater() function
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XMlHttpRequest.requestComplete() function
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XMlHttpRequest.abort() function
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XMlHttpRequest.setRequestHeader(QString,QString) function
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XMlHttpRequest.open(QString,QString,bool,QString,QString) function
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XMlHttpRequest.open(QString,QString,bool,QString) function
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XMlHttpRequest.open(QString,QString,bool) function
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XMlHttpRequest.open(QString,QString) function
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XMlHttpRequest.send() function
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XMlHttpRequest.send(QScriptValue) function
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XMlHttpRequest.getAllResponseHeaders() function
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XMlHttpRequest.getResponseHeader(QString) function
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*/
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/**jsdoc
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* Provides a means to interact with web servers. It is a near-complete implementation of the XMLHttpRequest API described in
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* the Mozilla docs:
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* <a href="https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest">https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest</a>.
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*
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* @class XMLHttpRequest
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*
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* @hifi-interface
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* @hifi-client-entity
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* @hifi-avatar
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* @hifi-server-entity
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* @hifi-assignment-client
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*
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* @property {*} response - The response data.
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* <em>Read-only.</em>
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* @property {string} responseText - The response data as text.
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* <em>Read-only.</em>
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* @property {string} responseType - The response type required or received (e.g., <code>"text"</code>, <code>"json"</code>,
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* <code>"arraybuffer"</code>, ...).
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* @property {number} status - The <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Status">HTTP response status
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* code</a> (<code>100</code> – <code>599</code>).
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* <em>Read-only.</em>
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* @property {string} statusText - The HTTP response status text.
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* <em>Read-only.</em>
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* @property {XMLHttpRequest.ReadyState} readyState - The status of the request.
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* <em>Read-only.</em>
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* @property {XMLHttpRequest.NetworkError} errorCode - The network result of the request: including, <code>0</code> (NoError)
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* if there was no error, <code>4</code> (TimeoutError) if the request timed out.
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* <em>Read-only.</em>
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* @property {number} timeout - The time a request can take before timing out, in ms.
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*
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* @property {XMLHttpRequest.ReadyState} UNSENT - Request has been created; {@link XMLHttpRequest.open} not called yet.
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* <em>Read-only.</em>
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* @property {XMLHttpRequest.ReadyState} OPENED - {@link XMLHttpRequest.open} has been called.
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* <em>Read-only.</em>
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* @property {XMLHttpRequest.ReadyState} HEADERS_RECEIVED - {@link XMLHttpRequest.send} has been called; headers and status
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* are available.
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* <em>Read-only.</em>
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* @property {XMLHttpRequest.ReadyState} LOADING - Downloading; {@link XMLHttpRequest|XMLHttpRequest.responseText} has partial
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* data.
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* <em>Read-only.</em>
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* @property {XMLHttpRequest.ReadyState} DONE - Operation complete.
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* <em>Read-only.</em>
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*
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* @property {XMLHttpRequest~onTimeoutCallback} ontimeout - Function called when the request times out.
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* <p>Note: This is called in addition to any function set for <code>onreadystatechange</code>.</p>
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* @property {XMLHttpRequest~onReadyStateChangeCallback} onreadystatechange - Function called when the request's ready state
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* changes.
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*
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* @example <caption>Get a web page's HTML.</caption>
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* var URL = "https://www.highfidelity.com/";
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*
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* var req = new XMLHttpRequest();
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* req.onreadystatechange = function () {
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* if (req.readyState === req.DONE) {
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* if (req.status === 200) {
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* print("Success");
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* print("Content type:", req.getResponseHeader("content-type"));
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* print("Content:", req.responseText.slice(0, 100), "...");
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*
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* } else {
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* print("Error", req.status, req.statusText);
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* }
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*
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* req = null;
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* }
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* };
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*
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* req.open("GET", URL);
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* req.send();
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*
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* @example <caption>Get a web page's HTML — alternative method.</caption>
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* var URL = "https://www.highfidelity.com/";
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*
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* var req = new XMLHttpRequest();
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* req.requestComplete.connect(function () {
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* if (req.status === 200) {
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* print("Success");
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* print("Content type:", req.getResponseHeader("content-type"));
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* print("Content:", req.responseText.slice(0, 100), "...");
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*
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* } else {
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* print("Error", req.status, req.statusText);
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* }
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*
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* req = null;
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* });
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*
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* req.open("GET", URL);
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* req.send();
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*/
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class XMLHttpRequestClass : public QObject {
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Q_OBJECT
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Q_PROPERTY(QScriptValue response READ getResponse)
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@ -46,6 +172,26 @@ public:
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~XMLHttpRequestClass();
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static const int MAXIMUM_REDIRECTS = 5;
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/**jsdoc
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* <p>The state of an XMLHttpRequest.</p>
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* <table>
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* <thead>
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* <tr><th>Value</th><th>Name</th><th>Description</th></tr>
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* </thead>
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* <tbody>
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* <tr><td><code>0</code></td><td>UNSENT</td><td>Request has been created; {@link XMLHttpRequest.open} not called
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* yet.</td></tr>
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* <tr><td><code>1</code></td><td>OPENED</td><td>{@link XMLHttpRequest.open} has been called.</td></tr>
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* <tr><td><code>2</code></td><td>HEADERS_RECEIVED</td><td>{@link XMLHttpRequest.send} has been called; headers and
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* status are available.</td></tr>
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* <tr><td><code>3</code></td><td>LOADING</td><td>Downloading; {@link XMLHttpRequest|XMLHttpRequest.responseText} has
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* partial data.</td></tr>
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* <tr><td><code>4</code></td><td>DONE</td><td>Operation complete.</td></tr>
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* </tbody>
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* </table>
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* @typedef {number} XMLHttpRequest.ReadyState
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*/
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enum ReadyState {
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UNSENT = 0,
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OPENED,
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@ -79,16 +225,66 @@ public:
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void setOnReadyStateChange(QScriptValue function) { _onReadyStateChange = function; }
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public slots:
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/**jsdoc
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* Aborts the request.
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* @function XMLHttpRequest.abort
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*/
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void abort();
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/**jsdoc
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* Sets the value of an HTTP request header. Must be called after {@link XMLHttpRequest.open} but before
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* {@link XMLHttpRequest.send};
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* @function XMLHttpRequest.setRequestHeader
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* @param {string} name - The name of the header to set.
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* @param {string} value - The value of the header.
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*/
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void setRequestHeader(const QString& name, const QString& value);
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/**jsdoc
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* Initializes a request.
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* @function XMLHttpRequest.open
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* @param {string} method - The <a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods">HTTP request method</a>
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* to use, e.g., <code>"GET"</code>, <code>"POST"</code>, <code>"PUT"</code>, or <code>"DELETE"</code>.
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* @param {string} url - The URL to send the request to.
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* @param {boolean} [async=true] - <code>true</code> if the method returns without waiting for the response,
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* <code>false</code> if the method returns only once the request is complete.
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* @param {string} [username=""] - User name for authentication.
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* @param {string} [password=""] - Password for authentication.
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*/
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void open(const QString& method, const QString& url, bool async = true, const QString& username = "",
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const QString& password = "");
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/**jsdoc
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* Sends the request to the server.
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* @function XMLHttpRequest.send
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* @param {*} [data] - The data to send.
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*/
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void send();
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void send(const QScriptValue& data);
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/**jsdoc
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* Gets the response headers.
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* @function XMLHttpRequest.getAllResponseHeaders
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* @returns {string} The response headers, separated by <code>"\n"</code> characters.
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*/
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QScriptValue getAllResponseHeaders() const;
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/**jsdoc
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* Gets a response header.
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* @function XMLHttpRequest.getResponseHeader
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* @param {string} name -
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* @returns {string} The response header.
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*/
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QScriptValue getResponseHeader(const QString& name) const;
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signals:
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/**jsdoc
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* Triggered when the request is complete — with or without error (incl. timeout).
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* @function XMLHttpRequest.requestComplete
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* @returns {Signal}
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*/
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void requestComplete();
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private:
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@ -111,7 +307,58 @@ private:
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QScriptValue _onTimeout { QScriptValue::NullValue };
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QScriptValue _onReadyStateChange { QScriptValue::NullValue };
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ReadyState _readyState { XMLHttpRequestClass::UNSENT };
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/**jsdoc
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* <p>The type of network error.</p>
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* <table>
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* <thead>
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* <tr><th>Value</th><th>Name</th><th>Description</th></tr>
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* </thead>
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* <tbody>
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* <tr><td><code>0</code></td><td>NoError</td><td>No error.</td></tr>
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* <tr><td><code>1</code></td><td>ConnectionRefusedError</td><td>The server refused the connection.</td></tr>
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* <tr><td><code>2</code></td><td>RemoteHostClosedError</td><td>The server closed the connection.</td></tr>
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* <tr><td><code>3</code></td><td>HostNotFoundError</td><td>Host name not found.</td></tr>
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* <tr><td><code>4</code></td><td>TimeoutError</td><td>Connection timed out</td></tr>
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* <tr><td><code>5</code></td><td>OperationCanceledError</td><td>Operation canceled by
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* {@link XMLHttpRequest.abort}.</td></tr>
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* <tr><td><code>6</code></td><td>SslHandshakeFailedError</td><td>SSL/TLS handshake failed.</td></tr>
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* <tr><td><code>7</code></td><td>TemporaryNetworkFailureError</td><td>Temporarily disconnected from the
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* network.</td></tr>
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* <tr><td><code>8</code></td><td>NetworkSessionFailedError</td><td>Disconnection from the network.</td></tr>
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* <tr><td><code>9</code></td><td>BackgroundRequestNotAllowedError</td><td>Background request not allowed.</td></tr>
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* <tr><td><code>10</code></td><td>TooManyRedirectsError</td><td>Too many redirects.</td></tr>
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* <tr><td><code>11</code></td><td>InsecureRedirectError</td><td>Redirect from secure to insecure protocol.</td></tr>
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* <tr><td><code>101</code></td><td>ProxyConnectionRefusedError</td><td>Connection to proxy server refused.</td></tr>
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* <tr><td><code>102</code></td><td>ProxyConnectionClosedError</td><td>Proxy server closed the connection.</td></tr>
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* <tr><td><code>103</code></td><td>ProxyNotFoundError</td><td>Proxy host name not found.</td></tr>
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* <tr><td><code>104</code></td><td>ProxyTimeoutError</td><td>Proxy connection timed out.</td></tr>
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* <tr><td><code>105</code></td><td>ProxyAuthenticationRequiredError</td><td>Proxy requires authentication.</td></tr>
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* <tr><td><code>201</code></td><td>ContentAccessDenied</td><td>Access denied.</td></tr>
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* <tr><td><code>202</code></td><td>ContentOperationNotPermittedError</td><td>Operation not permitted.</td></tr>
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* <tr><td><code>203</code></td><td>ContentNotFoundError</td><td>Content not found.</td></tr>
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* <tr><td><code>204</code></td><td>AuthenticationRequiredError</td><td>Authentication required.</td></tr>
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* <tr><td><code>205</code></td><td>ContentReSendError</td><td>Resend failed.</td></tr>
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* <tr><td><code>206</code></td><td>ContentConflictError</td><td>Resource state conflict.</td></tr>
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* <tr><td><code>207</code></td><td>ContentGoneError</td><td>Resource no longer available.</td></tr>
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* <tr><td><code>401</code></td><td>InternalServerError</td><td>Internal server error.</td></tr>
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* <tr><td><code>402</code></td><td>OperationNotImplementedError</td><td>Operation not supported.</td></tr>
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* <tr><td><code>403</code></td><td>ServiceUnavailableError</td><td>Request not able to be handled at this
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* time.</td></tr>
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* <tr><td><code>301</code></td><td>ProtocolUnknownError</td><td>Protocol unknown.</td></tr>
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* <tr><td><code>302</code></td><td>ProtocolInvalidOperationError</td><td>Operation invalid fro protocol.</td></tr>
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* <tr><td><code>99</code></td><td>UnknownNetworkError</td><td>Unknown network-related error.</td></tr>
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* <tr><td><code>199</code></td><td>UnknownProxyError</td><td>Unknown proxy-related error.</td></tr>
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* <tr><td><code>299</code></td><td>UnknownContentError</td><td>Unknown content-related error.</td></tr>
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* <tr><td><code>399</code></td><td>ProtocolFailure</td><td>Protocol error.</td></tr>
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* <tr><td><code>499</code></td><td>UnknownServerError</td><td>Unknown server response error.</td></tr>
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* </tbody>
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* </table>
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* @typedef {number} XMLHttpRequest.NetworkError
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*/
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QNetworkReply::NetworkError _errorCode { QNetworkReply::NoError };
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int _timeout { 0 };
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QTimer _timer;
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int _numRedirects { 0 };
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