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comparison .cms/lib/codemirror/addon/fold/brace-fold.js @ 0:78edf6b517a0 draft

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24.10
author Coffee CMS <info@coffee-cms.ru>
date Fri, 11 Oct 2024 22:40:23 +0000
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-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 });