tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

indent-fold.js (1729B)

      1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
      2 // Distributed under an MIT license: https://codemirror.net/LICENSE
      3 
      4 (function(mod) {
      5  if (typeof exports == "object" && typeof module == "object") // CommonJS
      6    mod(require("resource://devtools/client/shared/sourceeditor/codemirror/lib/codemirror.js"));
      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 });