tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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brace-fold.js (3975B)

      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 CodeMirror.registerHelper("fold", "brace", function(cm, start) {
     15  var line = start.line, lineText = cm.getLine(line);
     16  var tokenType;
     17 
     18  function findOpening(openCh) {
     19    for (var at = start.ch, pass = 0;;) {
     20      var found = at <= 0 ? -1 : lineText.lastIndexOf(openCh, at - 1);
     21      if (found == -1) {
     22        if (pass == 1) break;
     23        pass = 1;
     24        at = lineText.length;
     25        continue;
     26      }
     27      if (pass == 1 && found < start.ch) break;
     28      tokenType = cm.getTokenTypeAt(CodeMirror.Pos(line, found + 1));
     29      if (!/^(comment|string)/.test(tokenType)) return found + 1;
     30      at = found - 1;
     31    }
     32  }
     33 
     34  var startToken = "{", endToken = "}", startCh = findOpening("{");
     35  if (startCh == null) {
     36    startToken = "[", endToken = "]";
     37    startCh = findOpening("[");
     38  }
     39 
     40  if (startCh == null) return;
     41  var count = 1, lastLine = cm.lastLine(), end, endCh;
     42  outer: for (var i = line; i <= lastLine; ++i) {
     43    var text = cm.getLine(i), pos = i == line ? startCh : 0;
     44    for (;;) {
     45      var nextOpen = text.indexOf(startToken, pos), nextClose = text.indexOf(endToken, pos);
     46      if (nextOpen < 0) nextOpen = text.length;
     47      if (nextClose < 0) nextClose = text.length;
     48      pos = Math.min(nextOpen, nextClose);
     49      if (pos == text.length) break;
     50      if (cm.getTokenTypeAt(CodeMirror.Pos(i, pos + 1)) == tokenType) {
     51        if (pos == nextOpen) ++count;
     52        else if (!--count) { end = i; endCh = pos; break outer; }
     53      }
     54      ++pos;
     55    }
     56  }
     57  if (end == null || line == end) return;
     58  return {from: CodeMirror.Pos(line, startCh),
     59          to: CodeMirror.Pos(end, endCh)};
     60 });
     61 
     62 CodeMirror.registerHelper("fold", "import", function(cm, start) {
     63  function hasImport(line) {
     64    if (line < cm.firstLine() || line > cm.lastLine()) return null;
     65    var start = cm.getTokenAt(CodeMirror.Pos(line, 1));
     66    if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1));
     67    if (start.type != "keyword" || start.string != "import") return null;
     68    // Now find closing semicolon, return its position
     69    for (var i = line, e = Math.min(cm.lastLine(), line + 10); i <= e; ++i) {
     70      var text = cm.getLine(i), semi = text.indexOf(";");
     71      if (semi != -1) return {startCh: start.end, end: CodeMirror.Pos(i, semi)};
     72    }
     73  }
     74 
     75  var startLine = start.line, has = hasImport(startLine), prev;
     76  if (!has || hasImport(startLine - 1) || ((prev = hasImport(startLine - 2)) && prev.end.line == startLine - 1))
     77    return null;
     78  for (var end = has.end;;) {
     79    var next = hasImport(end.line + 1);
     80    if (next == null) break;
     81    end = next.end;
     82  }
     83  return {from: cm.clipPos(CodeMirror.Pos(startLine, has.startCh + 1)), to: end};
     84 });
     85 
     86 CodeMirror.registerHelper("fold", "include", function(cm, start) {
     87  function hasInclude(line) {
     88    if (line < cm.firstLine() || line > cm.lastLine()) return null;
     89    var start = cm.getTokenAt(CodeMirror.Pos(line, 1));
     90    if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1));
     91    if (start.type == "meta" && start.string.slice(0, 8) == "#include") return start.start + 8;
     92  }
     93 
     94  var startLine = start.line, has = hasInclude(startLine);
     95  if (has == null || hasInclude(startLine - 1) != null) return null;
     96  for (var end = startLine;;) {
     97    var next = hasInclude(end + 1);
     98    if (next == null) break;
     99    ++end;
    100  }
    101  return {from: CodeMirror.Pos(startLine, has + 1),
    102          to: cm.clipPos(CodeMirror.Pos(end))};
    103 });
    104 
    105 });