69 lines
2.5 KiB
JavaScript
69 lines
2.5 KiB
JavaScript
/*
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* ISC License
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*
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* Copyright (c) 2024 idnovate.com
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* idnovate is a Registered Trademark & Property of idnovate.com, innovación y desarrollo SCP
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*
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* @author idnovate
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* @copyright 2024 idnovate
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* @license https://www.isc.org/licenses/ https://opensource.org/licenses/ISC ISC License
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*/
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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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function lineIndent(cm, lineNo) {
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var text = cm.getLine(lineNo)
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var spaceTo = text.search(/\S/)
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if (spaceTo == -1 || /\bcomment\b/.test(cm.getTokenTypeAt(CodeMirror.Pos(lineNo, spaceTo + 1))))
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return -1
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return CodeMirror.countColumn(text, null, cm.getOption("tabSize"))
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}
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CodeMirror.registerHelper("fold", "indent", function(cm, start) {
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var myIndent = lineIndent(cm, start.line)
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if (myIndent < 0) return
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var lastLineInFold = null
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// Go through lines until we find a line that definitely doesn't belong in
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// the block we're folding, or to the end.
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for (var i = start.line + 1, end = cm.lastLine(); i <= end; ++i) {
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var indent = lineIndent(cm, i)
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if (indent == -1) {
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} else if (indent > myIndent) {
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// Lines with a greater indent are considered part of the block.
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lastLineInFold = i;
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} else {
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// If this line has non-space, non-comment content, and is
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// indented less or equal to the start line, it is the start of
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// another block.
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break;
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}
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}
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if (lastLineInFold) return {
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from: CodeMirror.Pos(start.line, cm.getLine(start.line).length),
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to: CodeMirror.Pos(lastLineInFold, cm.getLine(lastLineInFold).length)
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};
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});
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});
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