Andrew Zambazos
92 lines
3.3 KiB
JavaScript
92 lines
3.3 KiB
JavaScript
/*
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* Copyright (C) 2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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CodeMirror.defineMode("local-override-url", function() {
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function tokenBase(stream, state) {
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// Parse only the first line, ignore all other lines.
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if (state.parsedURL && stream.sol()) {
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stream.skipToEnd();
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return null;
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}
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// Parse once per tokenize.
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let url = stream.string;
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if (!state.parsedURL) {
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try {
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state.parsedURL = new URL(url);
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let indexOfFragment = -1;
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if (state.parsedURL.hash)
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indexOfFragment = url.lastIndexOf(state.parsedURL.hash);
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else if (url.endsWith("#"))
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indexOfFragment = url.length - 1;
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state.indexOfFragment = indexOfFragment;
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} catch {
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stream.skipToEnd();
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return null;
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}
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}
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// Scheme
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if (stream.pos < state.parsedURL.protocol.length) {
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if (state.parsedURL.protocol !== "http:" && state.parsedURL.protocol !== "https:") {
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while (stream.pos < state.parsedURL.protocol.length && !stream.eol())
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stream.next();
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return "local-override-url-bad-scheme";
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}
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}
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// Pre-fragment string.
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let indexOfFragment = state.indexOfFragment;
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if (indexOfFragment === -1) {
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stream.skipToEnd();
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return null;
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}
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if (stream.pos < indexOfFragment) {
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while (stream.pos < indexOfFragment && !stream.eol())
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stream.next();
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return null;
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}
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// Fragment.
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stream.skipToEnd();
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return "local-override-url-fragment";
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}
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return {
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startState: function() {
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return {
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parsedURL: null,
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tokenize: tokenBase,
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};
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},
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token: function(stream, state) {
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return state.tokenize(stream, state);
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}
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};
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});
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CodeMirror.defineMIME("text/x-local-override-url", "local-override-url");
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