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comparison .cms/lib/codemirror/addon/edit/closebrackets.js @ 0:78edf6b517a0 draft
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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 defaults = { | |
13 pairs: "()[]{}''\"\"", | |
14 closeBefore: ")]}'\":;>", | |
15 triples: "", | |
16 explode: "[]{}" | |
17 }; | |
18 | |
19 var Pos = CodeMirror.Pos; | |
20 | |
21 CodeMirror.defineOption("autoCloseBrackets", false, function(cm, val, old) { | |
22 if (old && old != CodeMirror.Init) { | |
23 cm.removeKeyMap(keyMap); | |
24 cm.state.closeBrackets = null; | |
25 } | |
26 if (val) { | |
27 ensureBound(getOption(val, "pairs")) | |
28 cm.state.closeBrackets = val; | |
29 cm.addKeyMap(keyMap); | |
30 } | |
31 }); | |
32 | |
33 function getOption(conf, name) { | |
34 if (name == "pairs" && typeof conf == "string") return conf; | |
35 if (typeof conf == "object" && conf[name] != null) return conf[name]; | |
36 return defaults[name]; | |
37 } | |
38 | |
39 var keyMap = {Backspace: handleBackspace, Enter: handleEnter}; | |
40 function ensureBound(chars) { | |
41 for (var i = 0; i < chars.length; i++) { | |
42 var ch = chars.charAt(i), key = "'" + ch + "'" | |
43 if (!keyMap[key]) keyMap[key] = handler(ch) | |
44 } | |
45 } | |
46 ensureBound(defaults.pairs + "`") | |
47 | |
48 function handler(ch) { | |
49 return function(cm) { return handleChar(cm, ch); }; | |
50 } | |
51 | |
52 function getConfig(cm) { | |
53 var deflt = cm.state.closeBrackets; | |
54 if (!deflt || deflt.override) return deflt; | |
55 var mode = cm.getModeAt(cm.getCursor()); | |
56 return mode.closeBrackets || deflt; | |
57 } | |
58 | |
59 function handleBackspace(cm) { | |
60 var conf = getConfig(cm); | |
61 if (!conf || cm.getOption("disableInput")) return CodeMirror.Pass; | |
62 | |
63 var pairs = getOption(conf, "pairs"); | |
64 var ranges = cm.listSelections(); | |
65 for (var i = 0; i < ranges.length; i++) { | |
66 if (!ranges[i].empty()) return CodeMirror.Pass; | |
67 var around = charsAround(cm, ranges[i].head); | |
68 if (!around || pairs.indexOf(around) % 2 != 0) return CodeMirror.Pass; | |
69 } | |
70 for (var i = ranges.length - 1; i >= 0; i--) { | |
71 var cur = ranges[i].head; | |
72 cm.replaceRange("", Pos(cur.line, cur.ch - 1), Pos(cur.line, cur.ch + 1), "+delete"); | |
73 } | |
74 } | |
75 | |
76 function handleEnter(cm) { | |
77 var conf = getConfig(cm); | |
78 var explode = conf && getOption(conf, "explode"); | |
79 if (!explode || cm.getOption("disableInput")) return CodeMirror.Pass; | |
80 | |
81 var ranges = cm.listSelections(); | |
82 for (var i = 0; i < ranges.length; i++) { | |
83 if (!ranges[i].empty()) return CodeMirror.Pass; | |
84 var around = charsAround(cm, ranges[i].head); | |
85 if (!around || explode.indexOf(around) % 2 != 0) return CodeMirror.Pass; | |
86 } | |
87 cm.operation(function() { | |
88 var linesep = cm.lineSeparator() || "\n"; | |
89 cm.replaceSelection(linesep + linesep, null); | |
90 moveSel(cm, -1) | |
91 ranges = cm.listSelections(); | |
92 for (var i = 0; i < ranges.length; i++) { | |
93 var line = ranges[i].head.line; | |
94 cm.indentLine(line, null, true); | |
95 cm.indentLine(line + 1, null, true); | |
96 } | |
97 }); | |
98 } | |
99 | |
100 function moveSel(cm, dir) { | |
101 var newRanges = [], ranges = cm.listSelections(), primary = 0 | |
102 for (var i = 0; i < ranges.length; i++) { | |
103 var range = ranges[i] | |
104 if (range.head == cm.getCursor()) primary = i | |
105 var pos = range.head.ch || dir > 0 ? {line: range.head.line, ch: range.head.ch + dir} : {line: range.head.line - 1} | |
106 newRanges.push({anchor: pos, head: pos}) | |
107 } | |
108 cm.setSelections(newRanges, primary) | |
109 } | |
110 | |
111 function contractSelection(sel) { | |
112 var inverted = CodeMirror.cmpPos(sel.anchor, sel.head) > 0; | |
113 return {anchor: new Pos(sel.anchor.line, sel.anchor.ch + (inverted ? -1 : 1)), | |
114 head: new Pos(sel.head.line, sel.head.ch + (inverted ? 1 : -1))}; | |
115 } | |
116 | |
117 function handleChar(cm, ch) { | |
118 var conf = getConfig(cm); | |
119 if (!conf || cm.getOption("disableInput")) return CodeMirror.Pass; | |
120 | |
121 var pairs = getOption(conf, "pairs"); | |
122 var pos = pairs.indexOf(ch); | |
123 if (pos == -1) return CodeMirror.Pass; | |
124 | |
125 var closeBefore = getOption(conf,"closeBefore"); | |
126 | |
127 var triples = getOption(conf, "triples"); | |
128 | |
129 var identical = pairs.charAt(pos + 1) == ch; | |
130 var ranges = cm.listSelections(); | |
131 var opening = pos % 2 == 0; | |
132 | |
133 var type; | |
134 for (var i = 0; i < ranges.length; i++) { | |
135 var range = ranges[i], cur = range.head, curType; | |
136 var next = cm.getRange(cur, Pos(cur.line, cur.ch + 1)); | |
137 if (opening && !range.empty()) { | |
138 curType = "surround"; | |
139 } else if ((identical || !opening) && next == ch) { | |
140 if (identical && stringStartsAfter(cm, cur)) | |
141 curType = "both"; | |
142 else if (triples.indexOf(ch) >= 0 && cm.getRange(cur, Pos(cur.line, cur.ch + 3)) == ch + ch + ch) | |
143 curType = "skipThree"; | |
144 else | |
145 curType = "skip"; | |
146 } else if (identical && cur.ch > 1 && triples.indexOf(ch) >= 0 && | |
147 cm.getRange(Pos(cur.line, cur.ch - 2), cur) == ch + ch) { | |
148 if (cur.ch > 2 && /\bstring/.test(cm.getTokenTypeAt(Pos(cur.line, cur.ch - 2)))) return CodeMirror.Pass; | |
149 curType = "addFour"; | |
150 } else if (identical) { | |
151 var prev = cur.ch == 0 ? " " : cm.getRange(Pos(cur.line, cur.ch - 1), cur) | |
152 if (!CodeMirror.isWordChar(next) && prev != ch && !CodeMirror.isWordChar(prev)) curType = "both"; | |
153 else return CodeMirror.Pass; | |
154 } else if (opening && (next.length === 0 || /\s/.test(next) || closeBefore.indexOf(next) > -1)) { | |
155 curType = "both"; | |
156 } else { | |
157 return CodeMirror.Pass; | |
158 } | |
159 if (!type) type = curType; | |
160 else if (type != curType) return CodeMirror.Pass; | |
161 } | |
162 | |
163 var left = pos % 2 ? pairs.charAt(pos - 1) : ch; | |
164 var right = pos % 2 ? ch : pairs.charAt(pos + 1); | |
165 cm.operation(function() { | |
166 if (type == "skip") { | |
167 moveSel(cm, 1) | |
168 } else if (type == "skipThree") { | |
169 moveSel(cm, 3) | |
170 } else if (type == "surround") { | |
171 var sels = cm.getSelections(); | |
172 for (var i = 0; i < sels.length; i++) | |
173 sels[i] = left + sels[i] + right; | |
174 cm.replaceSelections(sels, "around"); | |
175 sels = cm.listSelections().slice(); | |
176 for (var i = 0; i < sels.length; i++) | |
177 sels[i] = contractSelection(sels[i]); | |
178 cm.setSelections(sels); | |
179 } else if (type == "both") { | |
180 cm.replaceSelection(left + right, null); | |
181 cm.triggerElectric(left + right); | |
182 moveSel(cm, -1) | |
183 } else if (type == "addFour") { | |
184 cm.replaceSelection(left + left + left + left, "before"); | |
185 moveSel(cm, 1) | |
186 } | |
187 }); | |
188 } | |
189 | |
190 function charsAround(cm, pos) { | |
191 var str = cm.getRange(Pos(pos.line, pos.ch - 1), | |
192 Pos(pos.line, pos.ch + 1)); | |
193 return str.length == 2 ? str : null; | |
194 } | |
195 | |
196 function stringStartsAfter(cm, pos) { | |
197 var token = cm.getTokenAt(Pos(pos.line, pos.ch + 1)) | |
198 return /\bstring/.test(token.type) && token.start == pos.ch && | |
199 (pos.ch == 0 || !/\bstring/.test(cm.getTokenTypeAt(pos))) | |
200 } | |
201 }); |