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comparison .cms/lib/codemirror/mode/cypher/cypher.js @ 0:78edf6b517a0 draft

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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 // By the Neo4j Team and contributors.
5 // https://github.com/neo4j-contrib/CodeMirror
6
7 (function(mod) {
8 if (typeof exports == "object" && typeof module == "object") // CommonJS
9 mod(require("../../lib/codemirror"));
10 else if (typeof define == "function" && define.amd) // AMD
11 define(["../../lib/codemirror"], mod);
12 else // Plain browser env
13 mod(CodeMirror);
14 })(function(CodeMirror) {
15 "use strict";
16 var wordRegexp = function(words) {
17 return new RegExp("^(?:" + words.join("|") + ")$", "i");
18 };
19
20 CodeMirror.defineMode("cypher", function(config) {
21 var tokenBase = function(stream/*, state*/) {
22 curPunc = null
23 var ch = stream.next();
24 if (ch ==='"') {
25 stream.match(/^[^"]*"/);
26 return "string";
27 }
28 if (ch === "'") {
29 stream.match(/^[^']*'/);
30 return "string";
31 }
32 if (/[{}\(\),\.;\[\]]/.test(ch)) {
33 curPunc = ch;
34 return "node";
35 } else if (ch === "/" && stream.eat("/")) {
36 stream.skipToEnd();
37 return "comment";
38 } else if (operatorChars.test(ch)) {
39 stream.eatWhile(operatorChars);
40 return null;
41 } else {
42 stream.eatWhile(/[_\w\d]/);
43 if (stream.eat(":")) {
44 stream.eatWhile(/[\w\d_\-]/);
45 return "atom";
46 }
47 var word = stream.current();
48 if (funcs.test(word)) return "builtin";
49 if (preds.test(word)) return "def";
50 if (keywords.test(word) || systemKeywords.test(word)) return "keyword";
51 return "variable";
52 }
53 };
54 var pushContext = function(state, type, col) {
55 return state.context = {
56 prev: state.context,
57 indent: state.indent,
58 col: col,
59 type: type
60 };
61 };
62 var popContext = function(state) {
63 state.indent = state.context.indent;
64 return state.context = state.context.prev;
65 };
66 var indentUnit = config.indentUnit;
67 var curPunc;
68 var funcs = wordRegexp(["abs", "acos", "allShortestPaths", "asin", "atan", "atan2", "avg", "ceil", "coalesce", "collect", "cos", "cot", "count", "degrees", "e", "endnode", "exp", "extract", "filter", "floor", "haversin", "head", "id", "keys", "labels", "last", "left", "length", "log", "log10", "lower", "ltrim", "max", "min", "node", "nodes", "percentileCont", "percentileDisc", "pi", "radians", "rand", "range", "reduce", "rel", "relationship", "relationships", "replace", "reverse", "right", "round", "rtrim", "shortestPath", "sign", "sin", "size", "split", "sqrt", "startnode", "stdev", "stdevp", "str", "substring", "sum", "tail", "tan", "timestamp", "toFloat", "toInt", "toString", "trim", "type", "upper"]);
69 var preds = wordRegexp(["all", "and", "any", "contains", "exists", "has", "in", "none", "not", "or", "single", "xor"]);
70 var keywords = wordRegexp(["as", "asc", "ascending", "assert", "by", "case", "commit", "constraint", "create", "csv", "cypher", "delete", "desc", "descending", "detach", "distinct", "drop", "else", "end", "ends", "explain", "false", "fieldterminator", "foreach", "from", "headers", "in", "index", "is", "join", "limit", "load", "match", "merge", "null", "on", "optional", "order", "periodic", "profile", "remove", "return", "scan", "set", "skip", "start", "starts", "then", "true", "union", "unique", "unwind", "using", "when", "where", "with", "call", "yield"]);
71 var systemKeywords = wordRegexp(["access", "active", "assign", "all", "alter", "as", "catalog", "change", "copy", "create", "constraint", "constraints", "current", "database", "databases", "dbms", "default", "deny", "drop", "element", "elements", "exists", "from", "grant", "graph", "graphs", "if", "index", "indexes", "label", "labels", "management", "match", "name", "names", "new", "node", "nodes", "not", "of", "on", "or", "password", "populated", "privileges", "property", "read", "relationship", "relationships", "remove", "replace", "required", "revoke", "role", "roles", "set", "show", "start", "status", "stop", "suspended", "to", "traverse", "type", "types", "user", "users", "with", "write"]);
72 var operatorChars = /[*+\-<>=&|~%^]/;
73
74 return {
75 startState: function(/*base*/) {
76 return {
77 tokenize: tokenBase,
78 context: null,
79 indent: 0,
80 col: 0
81 };
82 },
83 token: function(stream, state) {
84 if (stream.sol()) {
85 if (state.context && (state.context.align == null)) {
86 state.context.align = false;
87 }
88 state.indent = stream.indentation();
89 }
90 if (stream.eatSpace()) {
91 return null;
92 }
93 var style = state.tokenize(stream, state);
94 if (style !== "comment" && state.context && (state.context.align == null) && state.context.type !== "pattern") {
95 state.context.align = true;
96 }
97 if (curPunc === "(") {
98 pushContext(state, ")", stream.column());
99 } else if (curPunc === "[") {
100 pushContext(state, "]", stream.column());
101 } else if (curPunc === "{") {
102 pushContext(state, "}", stream.column());
103 } else if (/[\]\}\)]/.test(curPunc)) {
104 while (state.context && state.context.type === "pattern") {
105 popContext(state);
106 }
107 if (state.context && curPunc === state.context.type) {
108 popContext(state);
109 }
110 } else if (curPunc === "." && state.context && state.context.type === "pattern") {
111 popContext(state);
112 } else if (/atom|string|variable/.test(style) && state.context) {
113 if (/[\}\]]/.test(state.context.type)) {
114 pushContext(state, "pattern", stream.column());
115 } else if (state.context.type === "pattern" && !state.context.align) {
116 state.context.align = true;
117 state.context.col = stream.column();
118 }
119 }
120 return style;
121 },
122 indent: function(state, textAfter) {
123 var firstChar = textAfter && textAfter.charAt(0);
124 var context = state.context;
125 if (/[\]\}]/.test(firstChar)) {
126 while (context && context.type === "pattern") {
127 context = context.prev;
128 }
129 }
130 var closing = context && firstChar === context.type;
131 if (!context) return 0;
132 if (context.type === "keywords") return CodeMirror.commands.newlineAndIndent;
133 if (context.align) return context.col + (closing ? 0 : 1);
134 return context.indent + (closing ? 0 : indentUnit);
135 }
136 };
137 });
138
139 CodeMirror.modeExtensions["cypher"] = {
140 autoFormatLineBreaks: function(text) {
141 var i, lines, reProcessedPortion;
142 var lines = text.split("\n");
143 var reProcessedPortion = /\s+\b(return|where|order by|match|with|skip|limit|create|delete|set)\b\s/g;
144 for (var i = 0; i < lines.length; i++)
145 lines[i] = lines[i].replace(reProcessedPortion, " \n$1 ").trim();
146 return lines.join("\n");
147 }
148 };
149
150 CodeMirror.defineMIME("application/x-cypher-query", "cypher");
151
152 });