| 1 |
// CodeMirror, copyright (c) by Marijn Haverbeke and others |
| 2 |
// Distributed under an MIT license: http://codemirror.net/LICENSE |
| 3 |
|
| 4 |
(function(mod) { |
| 5 |
if (typeof exports == "object" && typeof module == "object") // CommonJS |
| 6 |
mod(require("../../lib/codemirror")); |
| 7 |
else if (typeof define == "function" && define.amd) // AMD |
| 8 |
define(["../../lib/codemirror"], mod); |
| 9 |
else // Plain browser env |
| 10 |
mod(CodeMirror); |
| 11 |
})(function(CodeMirror) { |
| 12 |
"use strict"; |
| 13 |
|
| 14 |
function lineIndent(cm, lineNo) { |
| 15 |
var text = cm.getLine(lineNo) |
| 16 |
var spaceTo = text.search(/\S/) |
| 17 |
if (spaceTo == -1 || /\bcomment\b/.test(cm.getTokenTypeAt(CodeMirror.Pos(lineNo, spaceTo + 1)))) |
| 18 |
return -1 |
| 19 |
return CodeMirror.countColumn(text, null, cm.getOption("tabSize")) |
| 20 |
} |
| 21 |
|
| 22 |
CodeMirror.registerHelper("fold", "indent", function(cm, start) { |
| 23 |
var myIndent = lineIndent(cm, start.line) |
| 24 |
if (myIndent < 0) return |
| 25 |
var lastLineInFold = null |
| 26 |
|
| 27 |
// Go through lines until we find a line that definitely doesn't belong in |
| 28 |
// the block we're folding, or to the end. |
| 29 |
for (var i = start.line + 1, end = cm.lastLine(); i <= end; ++i) { |
| 30 |
var indent = lineIndent(cm, i) |
| 31 |
if (indent == -1) { |
| 32 |
} else if (indent > myIndent) { |
| 33 |
// Lines with a greater indent are considered part of the block. |
| 34 |
lastLineInFold = i; |
| 35 |
} else { |
| 36 |
// If this line has non-space, non-comment content, and is |
| 37 |
// indented less or equal to the start line, it is the start of |
| 38 |
// another block. |
| 39 |
break; |
| 40 |
} |
| 41 |
} |
| 42 |
if (lastLineInFold) return { |
| 43 |
from: CodeMirror.Pos(start.line, cm.getLine(start.line).length), |
| 44 |
to: CodeMirror.Pos(lastLineInFold, cm.getLine(lastLineInFold).length) |
| 45 |
}; |
| 46 |
}); |
| 47 |
|
| 48 |
}); |
| 49 |
|
