Source code
Revision control
Copy as Markdown
Other Tools
// CodeMirror, copyright (c) by Marijn Haverbeke and others
(function(mod) {
if (typeof exports == "object" && typeof module == "object") // CommonJS
else if (typeof define == "function" && define.amd) // AMD
define(["../../lib/codemirror"], mod);
else // Plain browser env
mod(CodeMirror);
})(function(CodeMirror) {
"use strict";
function lineIndent(cm, lineNo) {
var text = cm.getLine(lineNo)
var spaceTo = text.search(/\S/)
if (spaceTo == -1 || /\bcomment\b/.test(cm.getTokenTypeAt(CodeMirror.Pos(lineNo, spaceTo + 1))))
return -1
return CodeMirror.countColumn(text, null, cm.getOption("tabSize"))
}
CodeMirror.registerHelper("fold", "indent", function(cm, start) {
var myIndent = lineIndent(cm, start.line)
if (myIndent < 0) return
var lastLineInFold = null
// Go through lines until we find a line that definitely doesn't belong in
// the block we're folding, or to the end.
for (var i = start.line + 1, end = cm.lastLine(); i <= end; ++i) {
var indent = lineIndent(cm, i)
if (indent == -1) {
} else if (indent > myIndent) {
// Lines with a greater indent are considered part of the block.
lastLineInFold = i;
} else {
// If this line has non-space, non-comment content, and is
// indented less or equal to the start line, it is the start of
// another block.
break;
}
}
if (lastLineInFold) return {
from: CodeMirror.Pos(start.line, cm.getLine(start.line).length),
to: CodeMirror.Pos(lastLineInFold, cm.getLine(lastLineInFold).length)
};
});
});