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55 lines
2.1 KiB
JavaScript
55 lines
2.1 KiB
JavaScript
7 years ago
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(function() {
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var modes = ["clike", "css", "javascript"];
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for (var i = 0; i < modes.length; ++i)
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CodeMirror.extendMode(modes[i], {blockCommentContinue: " * "});
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function continueComment(cm) {
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var pos = cm.getCursor(), token = cm.getTokenAt(pos);
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if (token.type != "comment") return CodeMirror.Pass;
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var mode = CodeMirror.innerMode(cm.getMode(), token.state).mode;
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var insert;
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if (mode.blockCommentStart && mode.blockCommentContinue) {
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var end = token.string.indexOf(mode.blockCommentEnd);
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var full = cm.getRange(CodeMirror.Pos(pos.line, 0), CodeMirror.Pos(pos.line, token.end)), found;
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if (end != -1 && end == token.string.length - mode.blockCommentEnd.length) {
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// Comment ended, don't continue it
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} else if (token.string.indexOf(mode.blockCommentStart) == 0) {
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insert = full.slice(0, token.start);
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if (!/^\s*$/.test(insert)) {
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insert = "";
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for (var i = 0; i < token.start; ++i) insert += " ";
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}
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} else if ((found = full.indexOf(mode.blockCommentContinue)) != -1 &&
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found + mode.blockCommentContinue.length > token.start &&
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/^\s*$/.test(full.slice(0, found))) {
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insert = full.slice(0, found);
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}
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if (insert != null) insert += mode.blockCommentContinue;
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}
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if (insert == null && mode.lineComment) {
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var line = cm.getLine(pos.line), found = line.indexOf(mode.lineComment);
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if (found > -1) {
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insert = line.slice(0, found);
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if (/\S/.test(insert)) insert = null;
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else insert += mode.lineComment + line.slice(found + mode.lineComment.length).match(/^\s*/)[0];
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}
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}
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if (insert != null)
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cm.replaceSelection("\n" + insert, "end");
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else
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return CodeMirror.Pass;
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}
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CodeMirror.defineOption("continueComments", null, function(cm, val, prev) {
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if (prev && prev != CodeMirror.Init)
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cm.removeKeyMap("continueComment");
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if (val) {
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var map = {name: "continueComment"};
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map[typeof val == "string" ? val : "Enter"] = continueComment;
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cm.addKeyMap(map);
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}
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});
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})();
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