--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/.cms/lib/codemirror/addon/fold/brace-fold.js	Fri Oct 11 22:40:23 2024 +0000
@@ -0,0 +1,119 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/5/LICENSE
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+"use strict";
+
+function bracketFolding(pairs) {
+  return function(cm, start) {
+    var line = start.line, lineText = cm.getLine(line);
+
+    function findOpening(pair) {
+      var tokenType;
+      for (var at = start.ch, pass = 0;;) {
+        var found = at <= 0 ? -1 : lineText.lastIndexOf(pair[0], at - 1);
+        if (found == -1) {
+          if (pass == 1) break;
+          pass = 1;
+          at = lineText.length;
+          continue;
+        }
+        if (pass == 1 && found < start.ch) break;
+        tokenType = cm.getTokenTypeAt(CodeMirror.Pos(line, found + 1));
+        if (!/^(comment|string)/.test(tokenType)) return {ch: found + 1, tokenType: tokenType, pair: pair};
+        at = found - 1;
+      }
+    }
+
+    function findRange(found) {
+      var count = 1, lastLine = cm.lastLine(), end, startCh = found.ch, endCh
+      outer: for (var i = line; i <= lastLine; ++i) {
+        var text = cm.getLine(i), pos = i == line ? startCh : 0;
+        for (;;) {
+          var nextOpen = text.indexOf(found.pair[0], pos), nextClose = text.indexOf(found.pair[1], pos);
+          if (nextOpen < 0) nextOpen = text.length;
+          if (nextClose < 0) nextClose = text.length;
+          pos = Math.min(nextOpen, nextClose);
+          if (pos == text.length) break;
+          if (cm.getTokenTypeAt(CodeMirror.Pos(i, pos + 1)) == found.tokenType) {
+            if (pos == nextOpen) ++count;
+            else if (!--count) { end = i; endCh = pos; break outer; }
+          }
+          ++pos;
+        }
+      }
+
+      if (end == null || line == end) return null
+      return {from: CodeMirror.Pos(line, startCh),
+              to: CodeMirror.Pos(end, endCh)};
+    }
+
+    var found = []
+    for (var i = 0; i < pairs.length; i++) {
+      var open = findOpening(pairs[i])
+      if (open) found.push(open)
+    }
+    found.sort(function(a, b) { return a.ch - b.ch })
+    for (var i = 0; i < found.length; i++) {
+      var range = findRange(found[i])
+      if (range) return range
+    }
+    return null
+  }
+}
+
+CodeMirror.registerHelper("fold", "brace", bracketFolding([["{", "}"], ["[", "]"]]));
+
+CodeMirror.registerHelper("fold", "brace-paren", bracketFolding([["{", "}"], ["[", "]"], ["(", ")"]]));
+
+CodeMirror.registerHelper("fold", "import", function(cm, start) {
+  function hasImport(line) {
+    if (line < cm.firstLine() || line > cm.lastLine()) return null;
+    var start = cm.getTokenAt(CodeMirror.Pos(line, 1));
+    if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1));
+    if (start.type != "keyword" || start.string != "import") return null;
+    // Now find closing semicolon, return its position
+    for (var i = line, e = Math.min(cm.lastLine(), line + 10); i <= e; ++i) {
+      var text = cm.getLine(i), semi = text.indexOf(";");
+      if (semi != -1) return {startCh: start.end, end: CodeMirror.Pos(i, semi)};
+    }
+  }
+
+  var startLine = start.line, has = hasImport(startLine), prev;
+  if (!has || hasImport(startLine - 1) || ((prev = hasImport(startLine - 2)) && prev.end.line == startLine - 1))
+    return null;
+  for (var end = has.end;;) {
+    var next = hasImport(end.line + 1);
+    if (next == null) break;
+    end = next.end;
+  }
+  return {from: cm.clipPos(CodeMirror.Pos(startLine, has.startCh + 1)), to: end};
+});
+
+CodeMirror.registerHelper("fold", "include", function(cm, start) {
+  function hasInclude(line) {
+    if (line < cm.firstLine() || line > cm.lastLine()) return null;
+    var start = cm.getTokenAt(CodeMirror.Pos(line, 1));
+    if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1));
+    if (start.type == "meta" && start.string.slice(0, 8) == "#include") return start.start + 8;
+  }
+
+  var startLine = start.line, has = hasInclude(startLine);
+  if (has == null || hasInclude(startLine - 1) != null) return null;
+  for (var end = startLine;;) {
+    var next = hasInclude(end + 1);
+    if (next == null) break;
+    ++end;
+  }
+  return {from: CodeMirror.Pos(startLine, has + 1),
+          to: cm.clipPos(CodeMirror.Pos(end))};
+});
+
+});