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File: FrontEndScripts/libs/codemirror/addon/hint/sql-hint.js

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File: FrontEndScripts/libs/codemirror/addon/hint/sql-hint.js
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Description: Auxiliary data
Class: PHP Small Server Administrator
Web panel for small Debian and Ubuntu servers
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Date: 6 years ago
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// CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: http://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS mod(require("../../lib/codemirror"), require("../../mode/sql/sql")); else if (typeof define == "function" && define.amd) // AMD define(["../../lib/codemirror", "../../mode/sql/sql"], mod); else // Plain browser env mod(CodeMirror); })(function(CodeMirror) { "use strict"; var tables; var defaultTable; var keywords; var CONS = { QUERY_DIV: ";", ALIAS_KEYWORD: "AS" }; var Pos = CodeMirror.Pos; function getKeywords(editor) { var mode = editor.doc.modeOption; if (mode === "sql") mode = "text/x-sql"; return CodeMirror.resolveMode(mode).keywords; } function getText(item) { return typeof item == "string" ? item : item.text; } function getItem(list, item) { if (!list.slice) return list[item]; for (var i = list.length - 1; i >= 0; i--) if (getText(list[i]) == item) return list[i]; } function shallowClone(object) { var result = {}; for (var key in object) if (object.hasOwnProperty(key)) result[key] = object[key]; return result; } function match(string, word) { var len = string.length; var sub = getText(word).substr(0, len); return string.toUpperCase() === sub.toUpperCase(); } function addMatches(result, search, wordlist, formatter) { for (var word in wordlist) { if (!wordlist.hasOwnProperty(word)) continue; if (wordlist.slice) word = wordlist[word]; if (match(search, word)) result.push(formatter(word)); } } function cleanName(name) { // Get rid name from backticks(`) and preceding dot(.) if (name.charAt(0) == ".") { name = name.substr(1); } return name.replace(/`/g, ""); } function insertBackticks(name) { var nameParts = getText(name).split("."); for (var i = 0; i < nameParts.length; i++) nameParts[i] = "`" + nameParts[i] + "`"; var escaped = nameParts.join("."); if (typeof name == "string") return escaped; name = shallowClone(name); name.text = escaped; return name; } function nameCompletion(cur, token, result, editor) { // Try to complete table, colunm names and return start position of completion var useBacktick = false; var nameParts = []; var start = token.start; var cont = true; while (cont) { cont = (token.string.charAt(0) == "."); useBacktick = useBacktick || (token.string.charAt(0) == "`"); start = token.start; nameParts.unshift(cleanName(token.string)); token = editor.getTokenAt(Pos(cur.line, token.start)); if (token.string == ".") { cont = true; token = editor.getTokenAt(Pos(cur.line, token.start)); } } // Try to complete table names var string = nameParts.join("."); addMatches(result, string, tables, function(w) { return useBacktick ? insertBackticks(w) : w; }); // Try to complete columns from defaultTable addMatches(result, string, defaultTable, function(w) { return useBacktick ? insertBackticks(w) : w; }); // Try to complete columns string = nameParts.pop(); var table = nameParts.join("."); var alias = false; var aliasTable = table; // Check if table is available. If not, find table by Alias if (!getItem(tables, table)) { var oldTable = table; table = findTableByAlias(table, editor); if (table !== oldTable) alias = true; } var columns = getItem(tables, table); if (columns && columns.columns) columns = columns.columns; if (columns) { addMatches(result, string, columns, function(w) { var tableInsert = table; if (alias == true) tableInsert = aliasTable; if (typeof w == "string") { w = tableInsert + "." + w; } else { w = shallowClone(w); w.text = tableInsert + "." + w.text; } return useBacktick ? insertBackticks(w) : w; }); } return start; } function eachWord(lineText, f) { if (!lineText) return; var excepted = /[,;]/g; var words = lineText.split(" "); for (var i = 0; i < words.length; i++) { f(words[i]?words[i].replace(excepted, '') : ''); } } function convertCurToNumber(cur) { // max characters of a line is 999,999. return cur.line + cur.ch / Math.pow(10, 6); } function convertNumberToCur(num) { return Pos(Math.floor(num), +num.toString().split('.').pop()); } function findTableByAlias(alias, editor) { var doc = editor.doc; var fullQuery = doc.getValue(); var aliasUpperCase = alias.toUpperCase(); var previousWord = ""; var table = ""; var separator = []; var validRange = { start: Pos(0, 0), end: Pos(editor.lastLine(), editor.getLineHandle(editor.lastLine()).length) }; //add separator var indexOfSeparator = fullQuery.indexOf(CONS.QUERY_DIV); while(indexOfSeparator != -1) { separator.push(doc.posFromIndex(indexOfSeparator)); indexOfSeparator = fullQuery.indexOf(CONS.QUERY_DIV, indexOfSeparator+1); } separator.unshift(Pos(0, 0)); separator.push(Pos(editor.lastLine(), editor.getLineHandle(editor.lastLine()).text.length)); //find valid range var prevItem = 0; var current = convertCurToNumber(editor.getCursor()); for (var i=0; i< separator.length; i++) { var _v = convertCurToNumber(separator[i]); if (current > prevItem && current <= _v) { validRange = { start: convertNumberToCur(prevItem), end: convertNumberToCur(_v) }; break; } prevItem = _v; } var query = doc.getRange(validRange.start, validRange.end, false); for (var i = 0; i < query.length; i++) { var lineText = query[i]; eachWord(lineText, function(word) { var wordUpperCase = word.toUpperCase(); if (wordUpperCase === aliasUpperCase && getItem(tables, previousWord)) table = previousWord; if (wordUpperCase !== CONS.ALIAS_KEYWORD) previousWord = word; }); if (table) break; } return table; } CodeMirror.registerHelper("hint", "sql", function(editor, options) { tables = (options && options.tables) || {}; var defaultTableName = options && options.defaultTable; var disableKeywords = options && options.disableKeywords; defaultTable = defaultTableName && getItem(tables, defaultTableName); keywords = keywords || getKeywords(editor); if (defaultTableName && !defaultTable) defaultTable = findTableByAlias(defaultTableName, editor); defaultTable = defaultTable || []; if (defaultTable.columns) defaultTable = defaultTable.columns; var cur = editor.getCursor(); var result = []; var token = editor.getTokenAt(cur), start, end, search; if (token.end > cur.ch) { token.end = cur.ch; token.string = token.string.slice(0, cur.ch - token.start); } if (token.string.match(/^[.`\w@]\w*$/)) { search = token.string; start = token.start; end = token.end; } else { start = end = cur.ch; search = ""; } if (search.charAt(0) == "." || search.charAt(0) == "`") { start = nameCompletion(cur, token, result, editor); } else { addMatches(result, search, tables, function(w) {return w;}); addMatches(result, search, defaultTable, function(w) {return w;}); if (!disableKeywords) addMatches(result, search, keywords, function(w) {return w.toUpperCase();}); } return {list: result, from: Pos(cur.line, start), to: Pos(cur.line, end)}; }); });