brace-fold.js
11 years ago
brace-fold.min.js
10 years ago
comment-fold.js
10 years ago
comment-fold.min.js
10 years ago
foldcode.js
11 years ago
foldcode.min.js
10 years ago
foldgutter.css
11 years ago
foldgutter.js
11 years ago
foldgutter.min.js
10 years ago
indent-fold.js
11 years ago
indent-fold.min.js
10 years ago
markdown-fold.js
11 years ago
markdown-fold.min.js
10 years ago
xml-fold.js
11 years ago
xml-fold.min.js
10 years ago
brace-fold.js
106 lines
| 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 | CodeMirror.registerHelper("fold", "brace", function(cm, start) { |
| 15 | var line = start.line, lineText = cm.getLine(line); |
| 16 | var startCh, 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 && endCh == startCh) 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 start = start.line, has = hasImport(start), prev; |
| 76 | if (!has || hasImport(start - 1) || ((prev = hasImport(start - 2)) && prev.end.line == start - 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(start, 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 start = start.line, has = hasInclude(start); |
| 95 | if (has == null || hasInclude(start - 1) != null) return null; |
| 96 | for (var end = start;;) { |
| 97 | var next = hasInclude(end + 1); |
| 98 | if (next == null) break; |
| 99 | ++end; |
| 100 | } |
| 101 | return {from: CodeMirror.Pos(start, has + 1), |
| 102 | to: cm.clipPos(CodeMirror.Pos(end))}; |
| 103 | }); |
| 104 | |
| 105 | }); |
| 106 |