diff options
Diffstat (limited to 'platform/javascript/js/libs/library_godot_http_request.js')
| -rw-r--r-- | platform/javascript/js/libs/library_godot_http_request.js | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/platform/javascript/js/libs/library_godot_http_request.js b/platform/javascript/js/libs/library_godot_http_request.js new file mode 100644 index 0000000000..2b9aa88208 --- /dev/null +++ b/platform/javascript/js/libs/library_godot_http_request.js @@ -0,0 +1,145 @@ +/*************************************************************************/ +/* http_request.js */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ + +const GodotHTTPRequest = { + $GodotHTTPRequest__deps: ['$GodotRuntime'], + $GodotHTTPRequest: { + requests: [], + + getUnusedRequestId: function () { + const idMax = GodotHTTPRequest.requests.length; + for (let potentialId = 0; potentialId < idMax; ++potentialId) { + if (GodotHTTPRequest.requests[potentialId] instanceof XMLHttpRequest) { + continue; + } + return potentialId; + } + GodotHTTPRequest.requests.push(null); + return idMax; + }, + + setupRequest: function (xhr) { + xhr.responseType = 'arraybuffer'; + }, + }, + + godot_xhr_new: function () { + const newId = GodotHTTPRequest.getUnusedRequestId(); + GodotHTTPRequest.requests[newId] = new XMLHttpRequest(); + GodotHTTPRequest.setupRequest(GodotHTTPRequest.requests[newId]); + return newId; + }, + + godot_xhr_reset: function (xhrId) { + GodotHTTPRequest.requests[xhrId] = new XMLHttpRequest(); + GodotHTTPRequest.setupRequest(GodotHTTPRequest.requests[xhrId]); + }, + + godot_xhr_free: function (xhrId) { + GodotHTTPRequest.requests[xhrId].abort(); + GodotHTTPRequest.requests[xhrId] = null; + }, + + godot_xhr_open: function (xhrId, method, url, p_user, p_password) { + const user = p_user > 0 ? GodotRuntime.parseString(p_user) : null; + const password = p_password > 0 ? GodotRuntime.parseString(p_password) : null; + GodotHTTPRequest.requests[xhrId].open(GodotRuntime.parseString(method), GodotRuntime.parseString(url), true, user, password); + }, + + godot_xhr_set_request_header: function (xhrId, header, value) { + GodotHTTPRequest.requests[xhrId].setRequestHeader(GodotRuntime.parseString(header), GodotRuntime.parseString(value)); + }, + + godot_xhr_send_null: function (xhrId) { + GodotHTTPRequest.requests[xhrId].send(); + }, + + godot_xhr_send_string: function (xhrId, strPtr) { + if (!strPtr) { + GodotRuntime.error('Failed to send string per XHR: null pointer'); + return; + } + GodotHTTPRequest.requests[xhrId].send(GodotRuntime.parseString(strPtr)); + }, + + godot_xhr_send_data: function (xhrId, ptr, len) { + if (!ptr) { + GodotRuntime.error('Failed to send data per XHR: null pointer'); + return; + } + if (len < 0) { + GodotRuntime.error('Failed to send data per XHR: buffer length less than 0'); + return; + } + GodotHTTPRequest.requests[xhrId].send(HEAPU8.subarray(ptr, ptr + len)); + }, + + godot_xhr_abort: function (xhrId) { + GodotHTTPRequest.requests[xhrId].abort(); + }, + + godot_xhr_get_status: function (xhrId) { + return GodotHTTPRequest.requests[xhrId].status; + }, + + godot_xhr_get_ready_state: function (xhrId) { + return GodotHTTPRequest.requests[xhrId].readyState; + }, + + godot_xhr_get_response_headers_length: function (xhrId) { + const headers = GodotHTTPRequest.requests[xhrId].getAllResponseHeaders(); + return headers === null ? 0 : GodotRuntime.strlen(headers); + }, + + godot_xhr_get_response_headers: function (xhrId, dst, len) { + const str = GodotHTTPRequest.requests[xhrId].getAllResponseHeaders(); + if (str === null) { + return; + } + GodotRuntime.stringToHeap(str, dst, len); + }, + + godot_xhr_get_response_length: function (xhrId) { + const body = GodotHTTPRequest.requests[xhrId].response; + return body === null ? 0 : body.byteLength; + }, + + godot_xhr_get_response: function (xhrId, dst, len) { + let buf = GodotHTTPRequest.requests[xhrId].response; + if (buf === null) { + return; + } + buf = new Uint8Array(buf).subarray(0, len); + HEAPU8.set(buf, dst); + }, +}; + +autoAddDeps(GodotHTTPRequest, '$GodotHTTPRequest'); +mergeInto(LibraryManager.library, GodotHTTPRequest); |