From 4b0ca55eb79e963523eb6c8197825e9e8ae904e2 Mon Sep 17 00:00:00 2001 From: Wu Cheng-Han Date: Mon, 4 May 2015 15:53:29 +0800 Subject: First commit, version 0.2.7 --- public/vendor/codemirror/addon/hint/sql-hint.js | 245 ++++++++++++++++++++++++ 1 file changed, 245 insertions(+) create mode 100755 public/vendor/codemirror/addon/hint/sql-hint.js (limited to 'public/vendor/codemirror/addon/hint/sql-hint.js') diff --git a/public/vendor/codemirror/addon/hint/sql-hint.js b/public/vendor/codemirror/addon/hint/sql-hint.js new file mode 100755 index 00000000..cba27a0b --- /dev/null +++ b/public/vendor/codemirror/addon/hint/sql-hint.js @@ -0,0 +1,245 @@ +// 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("."); + + // Check if table is available. If not, find table by Alias + if (!getItem(tables, table)) + table = findTableByAlias(table, editor); + + var columns = getItem(tables, table); + if (columns && columns.columns) + columns = columns.columns; + + if (columns) { + addMatches(result, string, columns, function(w) { + if (typeof w == "string") { + w = table + "." + w; + } else { + w = shallowClone(w); + w.text = table + "." + 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; + 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;}); + addMatches(result, search, keywords, function(w) {return w.toUpperCase();}); + } + + return {list: result, from: Pos(cur.line, start), to: Pos(cur.line, end)}; + }); +}); -- cgit v1.2.3