Mercurial
comparison .cms/lib/codemirror/addon/comment/continuecomment.js @ 0:78edf6b517a0 draft
24.10
author | Coffee CMS <info@coffee-cms.ru> |
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date | Fri, 11 Oct 2024 22:40:23 +0000 |
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-1:000000000000 | 0:78edf6b517a0 |
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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 var nonspace = /\S/g; | |
13 var repeat = String.prototype.repeat || function (n) { return Array(n + 1).join(this); }; | |
14 function continueComment(cm) { | |
15 if (cm.getOption("disableInput")) return CodeMirror.Pass; | |
16 var ranges = cm.listSelections(), mode, inserts = []; | |
17 for (var i = 0; i < ranges.length; i++) { | |
18 var pos = ranges[i].head | |
19 if (!/\bcomment\b/.test(cm.getTokenTypeAt(pos))) return CodeMirror.Pass; | |
20 var modeHere = cm.getModeAt(pos) | |
21 if (!mode) mode = modeHere; | |
22 else if (mode != modeHere) return CodeMirror.Pass; | |
23 | |
24 var insert = null, line, found; | |
25 var blockStart = mode.blockCommentStart, lineCmt = mode.lineComment; | |
26 if (blockStart && mode.blockCommentContinue) { | |
27 line = cm.getLine(pos.line); | |
28 var end = line.lastIndexOf(mode.blockCommentEnd, pos.ch - mode.blockCommentEnd.length); | |
29 // 1. if this block comment ended | |
30 // 2. if this is actually inside a line comment | |
31 if (end != -1 && end == pos.ch - mode.blockCommentEnd.length || | |
32 lineCmt && (found = line.lastIndexOf(lineCmt, pos.ch - 1)) > -1 && | |
33 /\bcomment\b/.test(cm.getTokenTypeAt({line: pos.line, ch: found + 1}))) { | |
34 // ...then don't continue it | |
35 } else if (pos.ch >= blockStart.length && | |
36 (found = line.lastIndexOf(blockStart, pos.ch - blockStart.length)) > -1 && | |
37 found > end) { | |
38 // reuse the existing leading spaces/tabs/mixed | |
39 // or build the correct indent using CM's tab/indent options | |
40 if (nonspaceAfter(0, line) >= found) { | |
41 insert = line.slice(0, found); | |
42 } else { | |
43 var tabSize = cm.options.tabSize, numTabs; | |
44 found = CodeMirror.countColumn(line, found, tabSize); | |
45 insert = !cm.options.indentWithTabs ? repeat.call(" ", found) : | |
46 repeat.call("\t", (numTabs = Math.floor(found / tabSize))) + | |
47 repeat.call(" ", found - tabSize * numTabs); | |
48 } | |
49 } else if ((found = line.indexOf(mode.blockCommentContinue)) > -1 && | |
50 found <= pos.ch && | |
51 found <= nonspaceAfter(0, line)) { | |
52 insert = line.slice(0, found); | |
53 } | |
54 if (insert != null) insert += mode.blockCommentContinue | |
55 } | |
56 if (insert == null && lineCmt && continueLineCommentEnabled(cm)) { | |
57 if (line == null) line = cm.getLine(pos.line); | |
58 found = line.indexOf(lineCmt); | |
59 // cursor at pos 0, line comment also at pos 0 => shift it down, don't continue | |
60 if (!pos.ch && !found) insert = ""; | |
61 // continue only if the line starts with an optional space + line comment | |
62 else if (found > -1 && nonspaceAfter(0, line) >= found) { | |
63 // don't continue if there's only space(s) after cursor or the end of the line | |
64 insert = nonspaceAfter(pos.ch, line) > -1; | |
65 // but always continue if the next line starts with a line comment too | |
66 if (!insert) { | |
67 var next = cm.getLine(pos.line + 1) || '', | |
68 nextFound = next.indexOf(lineCmt); | |
69 insert = nextFound > -1 && nonspaceAfter(0, next) >= nextFound || null; | |
70 } | |
71 if (insert) { | |
72 insert = line.slice(0, found) + lineCmt + | |
73 line.slice(found + lineCmt.length).match(/^\s*/)[0]; | |
74 } | |
75 } | |
76 } | |
77 if (insert == null) return CodeMirror.Pass; | |
78 inserts[i] = "\n" + insert; | |
79 } | |
80 | |
81 cm.operation(function() { | |
82 for (var i = ranges.length - 1; i >= 0; i--) | |
83 cm.replaceRange(inserts[i], ranges[i].from(), ranges[i].to(), "+insert"); | |
84 }); | |
85 } | |
86 | |
87 function nonspaceAfter(ch, str) { | |
88 nonspace.lastIndex = ch; | |
89 var m = nonspace.exec(str); | |
90 return m ? m.index : -1; | |
91 } | |
92 | |
93 function continueLineCommentEnabled(cm) { | |
94 var opt = cm.getOption("continueComments"); | |
95 if (opt && typeof opt == "object") | |
96 return opt.continueLineComment !== false; | |
97 return true; | |
98 } | |
99 | |
100 CodeMirror.defineOption("continueComments", null, function(cm, val, prev) { | |
101 if (prev && prev != CodeMirror.Init) | |
102 cm.removeKeyMap("continueComment"); | |
103 if (val) { | |
104 var key = "Enter"; | |
105 if (typeof val == "string") | |
106 key = val; | |
107 else if (typeof val == "object" && val.key) | |
108 key = val.key; | |
109 var map = {name: "continueComment"}; | |
110 map[key] = continueComment; | |
111 cm.addKeyMap(map); | |
112 } | |
113 }); | |
114 }); |