Mercurial
comparison .cms/lib/codemirror/addon/fold/brace-fold.js @ 0:78edf6b517a0 draft
24.10
author | Coffee CMS <info@coffee-cms.ru> |
---|---|
date | Fri, 11 Oct 2024 22:40:23 +0000 |
parents | |
children |
comparison
equal
deleted
inserted
replaced
-1:000000000000 | 0:78edf6b517a0 |
---|---|
1 // CodeMirror, copyright (c) by Marijn Haverbeke and others | |
2 // Distributed under an MIT license: https://codemirror.net/5/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 bracketFolding(pairs) { | |
15 return function(cm, start) { | |
16 var line = start.line, lineText = cm.getLine(line); | |
17 | |
18 function findOpening(pair) { | |
19 var tokenType; | |
20 for (var at = start.ch, pass = 0;;) { | |
21 var found = at <= 0 ? -1 : lineText.lastIndexOf(pair[0], at - 1); | |
22 if (found == -1) { | |
23 if (pass == 1) break; | |
24 pass = 1; | |
25 at = lineText.length; | |
26 continue; | |
27 } | |
28 if (pass == 1 && found < start.ch) break; | |
29 tokenType = cm.getTokenTypeAt(CodeMirror.Pos(line, found + 1)); | |
30 if (!/^(comment|string)/.test(tokenType)) return {ch: found + 1, tokenType: tokenType, pair: pair}; | |
31 at = found - 1; | |
32 } | |
33 } | |
34 | |
35 function findRange(found) { | |
36 var count = 1, lastLine = cm.lastLine(), end, startCh = found.ch, endCh | |
37 outer: for (var i = line; i <= lastLine; ++i) { | |
38 var text = cm.getLine(i), pos = i == line ? startCh : 0; | |
39 for (;;) { | |
40 var nextOpen = text.indexOf(found.pair[0], pos), nextClose = text.indexOf(found.pair[1], pos); | |
41 if (nextOpen < 0) nextOpen = text.length; | |
42 if (nextClose < 0) nextClose = text.length; | |
43 pos = Math.min(nextOpen, nextClose); | |
44 if (pos == text.length) break; | |
45 if (cm.getTokenTypeAt(CodeMirror.Pos(i, pos + 1)) == found.tokenType) { | |
46 if (pos == nextOpen) ++count; | |
47 else if (!--count) { end = i; endCh = pos; break outer; } | |
48 } | |
49 ++pos; | |
50 } | |
51 } | |
52 | |
53 if (end == null || line == end) return null | |
54 return {from: CodeMirror.Pos(line, startCh), | |
55 to: CodeMirror.Pos(end, endCh)}; | |
56 } | |
57 | |
58 var found = [] | |
59 for (var i = 0; i < pairs.length; i++) { | |
60 var open = findOpening(pairs[i]) | |
61 if (open) found.push(open) | |
62 } | |
63 found.sort(function(a, b) { return a.ch - b.ch }) | |
64 for (var i = 0; i < found.length; i++) { | |
65 var range = findRange(found[i]) | |
66 if (range) return range | |
67 } | |
68 return null | |
69 } | |
70 } | |
71 | |
72 CodeMirror.registerHelper("fold", "brace", bracketFolding([["{", "}"], ["[", "]"]])); | |
73 | |
74 CodeMirror.registerHelper("fold", "brace-paren", bracketFolding([["{", "}"], ["[", "]"], ["(", ")"]])); | |
75 | |
76 CodeMirror.registerHelper("fold", "import", function(cm, start) { | |
77 function hasImport(line) { | |
78 if (line < cm.firstLine() || line > cm.lastLine()) return null; | |
79 var start = cm.getTokenAt(CodeMirror.Pos(line, 1)); | |
80 if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1)); | |
81 if (start.type != "keyword" || start.string != "import") return null; | |
82 // Now find closing semicolon, return its position | |
83 for (var i = line, e = Math.min(cm.lastLine(), line + 10); i <= e; ++i) { | |
84 var text = cm.getLine(i), semi = text.indexOf(";"); | |
85 if (semi != -1) return {startCh: start.end, end: CodeMirror.Pos(i, semi)}; | |
86 } | |
87 } | |
88 | |
89 var startLine = start.line, has = hasImport(startLine), prev; | |
90 if (!has || hasImport(startLine - 1) || ((prev = hasImport(startLine - 2)) && prev.end.line == startLine - 1)) | |
91 return null; | |
92 for (var end = has.end;;) { | |
93 var next = hasImport(end.line + 1); | |
94 if (next == null) break; | |
95 end = next.end; | |
96 } | |
97 return {from: cm.clipPos(CodeMirror.Pos(startLine, has.startCh + 1)), to: end}; | |
98 }); | |
99 | |
100 CodeMirror.registerHelper("fold", "include", function(cm, start) { | |
101 function hasInclude(line) { | |
102 if (line < cm.firstLine() || line > cm.lastLine()) return null; | |
103 var start = cm.getTokenAt(CodeMirror.Pos(line, 1)); | |
104 if (!/\S/.test(start.string)) start = cm.getTokenAt(CodeMirror.Pos(line, start.end + 1)); | |
105 if (start.type == "meta" && start.string.slice(0, 8) == "#include") return start.start + 8; | |
106 } | |
107 | |
108 var startLine = start.line, has = hasInclude(startLine); | |
109 if (has == null || hasInclude(startLine - 1) != null) return null; | |
110 for (var end = startLine;;) { | |
111 var next = hasInclude(end + 1); | |
112 if (next == null) break; | |
113 ++end; | |
114 } | |
115 return {from: CodeMirror.Pos(startLine, has + 1), | |
116 to: cm.clipPos(CodeMirror.Pos(end))}; | |
117 }); | |
118 | |
119 }); |