mirror of
https://github.com/go-gitea/gitea
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60 lines
2.1 KiB
JavaScript
60 lines
2.1 KiB
JavaScript
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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CodeMirror.registerGlobalHelper("fold", "comment", function(mode) {
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return mode.blockCommentStart && mode.blockCommentEnd;
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}, function(cm, start) {
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var mode = cm.getModeAt(start), startToken = mode.blockCommentStart, endToken = mode.blockCommentEnd;
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if (!startToken || !endToken) return;
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var line = start.line, lineText = cm.getLine(line);
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var startCh;
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for (var at = start.ch, pass = 0;;) {
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var found = at <= 0 ? -1 : lineText.lastIndexOf(startToken, at - 1);
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if (found == -1) {
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if (pass == 1) return;
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pass = 1;
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at = lineText.length;
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continue;
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}
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if (pass == 1 && found < start.ch) return;
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if (/comment/.test(cm.getTokenTypeAt(CodeMirror.Pos(line, found + 1))) &&
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(found == 0 || lineText.slice(found - endToken.length, found) == endToken ||
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!/comment/.test(cm.getTokenTypeAt(CodeMirror.Pos(line, found))))) {
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startCh = found + startToken.length;
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break;
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}
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at = found - 1;
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}
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var depth = 1, lastLine = cm.lastLine(), end, endCh;
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outer: for (var i = line; i <= lastLine; ++i) {
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var text = cm.getLine(i), pos = i == line ? startCh : 0;
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for (;;) {
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var nextOpen = text.indexOf(startToken, pos), nextClose = text.indexOf(endToken, pos);
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if (nextOpen < 0) nextOpen = text.length;
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if (nextClose < 0) nextClose = text.length;
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pos = Math.min(nextOpen, nextClose);
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if (pos == text.length) break;
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if (pos == nextOpen) ++depth;
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else if (!--depth) { end = i; endCh = pos; break outer; }
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++pos;
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}
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}
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if (end == null || line == end && endCh == startCh) return;
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return {from: CodeMirror.Pos(line, startCh),
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to: CodeMirror.Pos(end, endCh)};
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});
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});
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