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cypher.js
146 lines
| 6.1 KiB
| application/javascript
|
JavascriptLexer
r1 | // CodeMirror, copyright (c) by Marijn Haverbeke and others | |||
// Distributed under an MIT license: http://codemirror.net/LICENSE | ||||
// By the Neo4j Team and contributors. | ||||
// https://github.com/neo4j-contrib/CodeMirror | ||||
(function(mod) { | ||||
if (typeof exports == "object" && typeof module == "object") // CommonJS | ||||
mod(require("../../lib/codemirror")); | ||||
else if (typeof define == "function" && define.amd) // AMD | ||||
define(["../../lib/codemirror"], mod); | ||||
else // Plain browser env | ||||
mod(CodeMirror); | ||||
})(function(CodeMirror) { | ||||
"use strict"; | ||||
var wordRegexp = function(words) { | ||||
return new RegExp("^(?:" + words.join("|") + ")$", "i"); | ||||
}; | ||||
CodeMirror.defineMode("cypher", function(config) { | ||||
var tokenBase = function(stream/*, state*/) { | ||||
var ch = stream.next(); | ||||
if (ch === "\"" || ch === "'") { | ||||
stream.match(/.+?["']/); | ||||
return "string"; | ||||
} | ||||
if (/[{}\(\),\.;\[\]]/.test(ch)) { | ||||
curPunc = ch; | ||||
return "node"; | ||||
} else if (ch === "/" && stream.eat("/")) { | ||||
stream.skipToEnd(); | ||||
return "comment"; | ||||
} else if (operatorChars.test(ch)) { | ||||
stream.eatWhile(operatorChars); | ||||
return null; | ||||
} else { | ||||
stream.eatWhile(/[_\w\d]/); | ||||
if (stream.eat(":")) { | ||||
stream.eatWhile(/[\w\d_\-]/); | ||||
return "atom"; | ||||
} | ||||
var word = stream.current(); | ||||
if (funcs.test(word)) return "builtin"; | ||||
if (preds.test(word)) return "def"; | ||||
if (keywords.test(word)) return "keyword"; | ||||
return "variable"; | ||||
} | ||||
}; | ||||
var pushContext = function(state, type, col) { | ||||
return state.context = { | ||||
prev: state.context, | ||||
indent: state.indent, | ||||
col: col, | ||||
type: type | ||||
}; | ||||
}; | ||||
var popContext = function(state) { | ||||
state.indent = state.context.indent; | ||||
return state.context = state.context.prev; | ||||
}; | ||||
var indentUnit = config.indentUnit; | ||||
var curPunc; | ||||
r346 | 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"]); | |||
var preds = wordRegexp(["all", "and", "any", "contains", "exists", "has", "in", "none", "not", "or", "single", "xor"]); | ||||
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"]); | ||||
r1 | var operatorChars = /[*+\-<>=&|~%^]/; | |||
return { | ||||
startState: function(/*base*/) { | ||||
return { | ||||
tokenize: tokenBase, | ||||
context: null, | ||||
indent: 0, | ||||
col: 0 | ||||
}; | ||||
}, | ||||
token: function(stream, state) { | ||||
if (stream.sol()) { | ||||
if (state.context && (state.context.align == null)) { | ||||
state.context.align = false; | ||||
} | ||||
state.indent = stream.indentation(); | ||||
} | ||||
if (stream.eatSpace()) { | ||||
return null; | ||||
} | ||||
var style = state.tokenize(stream, state); | ||||
if (style !== "comment" && state.context && (state.context.align == null) && state.context.type !== "pattern") { | ||||
state.context.align = true; | ||||
} | ||||
if (curPunc === "(") { | ||||
pushContext(state, ")", stream.column()); | ||||
} else if (curPunc === "[") { | ||||
pushContext(state, "]", stream.column()); | ||||
} else if (curPunc === "{") { | ||||
pushContext(state, "}", stream.column()); | ||||
} else if (/[\]\}\)]/.test(curPunc)) { | ||||
while (state.context && state.context.type === "pattern") { | ||||
popContext(state); | ||||
} | ||||
if (state.context && curPunc === state.context.type) { | ||||
popContext(state); | ||||
} | ||||
} else if (curPunc === "." && state.context && state.context.type === "pattern") { | ||||
popContext(state); | ||||
} else if (/atom|string|variable/.test(style) && state.context) { | ||||
if (/[\}\]]/.test(state.context.type)) { | ||||
pushContext(state, "pattern", stream.column()); | ||||
} else if (state.context.type === "pattern" && !state.context.align) { | ||||
state.context.align = true; | ||||
state.context.col = stream.column(); | ||||
} | ||||
} | ||||
return style; | ||||
}, | ||||
indent: function(state, textAfter) { | ||||
var firstChar = textAfter && textAfter.charAt(0); | ||||
var context = state.context; | ||||
if (/[\]\}]/.test(firstChar)) { | ||||
while (context && context.type === "pattern") { | ||||
context = context.prev; | ||||
} | ||||
} | ||||
var closing = context && firstChar === context.type; | ||||
if (!context) return 0; | ||||
if (context.type === "keywords") return CodeMirror.commands.newlineAndIndent; | ||||
if (context.align) return context.col + (closing ? 0 : 1); | ||||
return context.indent + (closing ? 0 : indentUnit); | ||||
} | ||||
}; | ||||
}); | ||||
CodeMirror.modeExtensions["cypher"] = { | ||||
autoFormatLineBreaks: function(text) { | ||||
var i, lines, reProcessedPortion; | ||||
var lines = text.split("\n"); | ||||
var reProcessedPortion = /\s+\b(return|where|order by|match|with|skip|limit|create|delete|set)\b\s/g; | ||||
for (var i = 0; i < lines.length; i++) | ||||
lines[i] = lines[i].replace(reProcessedPortion, " \n$1 ").trim(); | ||||
return lines.join("\n"); | ||||
} | ||||
}; | ||||
CodeMirror.defineMIME("application/x-cypher-query", "cypher"); | ||||
}); | ||||