147 lines
5.4 KiB
JavaScript
147 lines
5.4 KiB
JavaScript
/*************************************************************************/
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/* http_request.js */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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var GodotHTTPRequest = {
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$GodotHTTPRequest: {
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requests: [],
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getUnusedRequestId: function() {
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var idMax = GodotHTTPRequest.requests.length;
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for (var potentialId = 0; potentialId < idMax; ++potentialId) {
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if (GodotHTTPRequest.requests[potentialId] instanceof XMLHttpRequest) {
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continue;
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}
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return potentialId;
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}
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GodotHTTPRequest.requests.push(null)
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return idMax;
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},
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setupRequest: function(xhr) {
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xhr.responseType = 'arraybuffer';
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},
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},
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godot_xhr_new: function() {
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var newId = GodotHTTPRequest.getUnusedRequestId();
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GodotHTTPRequest.requests[newId] = new XMLHttpRequest;
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GodotHTTPRequest.setupRequest(GodotHTTPRequest.requests[newId]);
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return newId;
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},
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godot_xhr_reset: function(xhrId) {
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GodotHTTPRequest.requests[xhrId] = new XMLHttpRequest;
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GodotHTTPRequest.setupRequest(GodotHTTPRequest.requests[xhrId]);
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},
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godot_xhr_free: function(xhrId) {
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GodotHTTPRequest.requests[xhrId].abort();
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GodotHTTPRequest.requests[xhrId] = null;
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},
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godot_xhr_open: function(xhrId, method, url, user, password) {
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user = user > 0 ? UTF8ToString(user) : null;
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password = password > 0 ? UTF8ToString(password) : null;
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GodotHTTPRequest.requests[xhrId].open(UTF8ToString(method), UTF8ToString(url), true, user, password);
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},
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godot_xhr_set_request_header: function(xhrId, header, value) {
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GodotHTTPRequest.requests[xhrId].setRequestHeader(UTF8ToString(header), UTF8ToString(value));
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},
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godot_xhr_send_null: function(xhrId) {
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GodotHTTPRequest.requests[xhrId].send();
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},
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godot_xhr_send_string: function(xhrId, strPtr) {
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if (!strPtr) {
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err("Failed to send string per XHR: null pointer");
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return;
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}
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GodotHTTPRequest.requests[xhrId].send(UTF8ToString(strPtr));
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},
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godot_xhr_send_data: function(xhrId, ptr, len) {
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if (!ptr) {
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err("Failed to send data per XHR: null pointer");
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return;
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}
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if (len < 0) {
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err("Failed to send data per XHR: buffer length less than 0");
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return;
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}
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GodotHTTPRequest.requests[xhrId].send(HEAPU8.subarray(ptr, ptr + len));
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},
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godot_xhr_abort: function(xhrId) {
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GodotHTTPRequest.requests[xhrId].abort();
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},
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godot_xhr_get_status: function(xhrId) {
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return GodotHTTPRequest.requests[xhrId].status;
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},
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godot_xhr_get_ready_state: function(xhrId) {
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return GodotHTTPRequest.requests[xhrId].readyState;
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},
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godot_xhr_get_response_headers_length: function(xhrId) {
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var headers = GodotHTTPRequest.requests[xhrId].getAllResponseHeaders();
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return headers === null ? 0 : lengthBytesUTF8(headers);
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},
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godot_xhr_get_response_headers: function(xhrId, dst, len) {
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var str = GodotHTTPRequest.requests[xhrId].getAllResponseHeaders();
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if (str === null)
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return;
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var buf = new Uint8Array(len + 1);
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stringToUTF8Array(str, buf, 0, buf.length);
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buf = buf.subarray(0, -1);
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HEAPU8.set(buf, dst);
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},
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godot_xhr_get_response_length: function(xhrId) {
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var body = GodotHTTPRequest.requests[xhrId].response;
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return body === null ? 0 : body.byteLength;
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},
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godot_xhr_get_response: function(xhrId, dst, len) {
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var buf = GodotHTTPRequest.requests[xhrId].response;
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if (buf === null)
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return;
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buf = new Uint8Array(buf).subarray(0, len);
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HEAPU8.set(buf, dst);
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},
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};
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autoAddDeps(GodotHTTPRequest, "$GodotHTTPRequest");
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mergeInto(LibraryManager.library, GodotHTTPRequest);
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