Mercurial

comparison .cms/lib/codemirror/addon/edit/closebrackets.js @ 0:78edf6b517a0 draft

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
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 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 });