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- // Licensed to Cloudera, Inc. under one
- // or more contributor license agreements. See the NOTICE file
- // distributed with this work for additional information
- // regarding copyright ownership. Cloudera, Inc. licenses this file
- // to you under the Apache License, Version 2.0 (the
- // "License"); you may not use this file except in compliance
- // with the License. You may obtain a copy of the License at
- //
- // http://www.apache.org/licenses/LICENSE-2.0
- //
- // Unless required by applicable law or agreed to in writing, software
- // distributed under the License is distributed on an "AS IS" BASIS,
- // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- // See the License for the specific language governing permissions and
- // limitations under the License.
- (function () {
- var keywords, keywordsU, keywordsL;
- function getKeywords(editor) {
- var mode = editor.doc.modeOption;
- if (mode === "sql") mode = "text/x-sql";
- var _keywordsObj = CodeMirror.resolveMode(mode).keywords;
- var _keywords = "";
- for (var keyword in _keywordsObj) {
- _keywords += keyword.toUpperCase() + " ";
- }
- return _keywords;
- }
- function forEach(arr, f) {
- for (var i = 0, e = arr.length; i < e; ++i) f(arr[i]);
- }
- function arrayContains(arr, item) {
- if (!Array.prototype.indexOf) {
- var i = arr.length;
- while (i--) {
- if (arr[i] === item) {
- return true;
- }
- }
- return false;
- }
- return arr.indexOf(item) != -1;
- }
- function scriptHint(editor, _keywords, getToken) {
- // Find the token at the cursor
- var cur = editor.getCursor(), token = getToken(editor, cur), tprop = token;
- // If it's not a 'word-style' or dot token, ignore the token.
- if (!/^[\.\w$_]*$/.test(token.string)) {
- token = tprop = {start: cur.ch, end: cur.ch, string: "", state: token.state,
- className: token.string == "." ? "hiveql-type" : null};
- }
- if (!context) var context = [];
- context.push(tprop);
- var completionList = getCompletions(token, context);
- //prevent autocomplete for last word, instead show dropdown with one word
- if (completionList.length == 1) {
- completionList.push(" ");
- }
- return {list: completionList,
- from: CodeMirror.Pos(cur.line, token.start),
- to: CodeMirror.Pos(cur.line, token.end)};
- }
- CodeMirror.catalogTables = "";
- CodeMirror.catalogFields = "";
- CodeMirror.possibleTable = false;
- CodeMirror.possibleSoloField = false;
- CodeMirror.tableFieldMagic = false;
- CodeMirror.sqlHint = function (editor) {
- keywords = getKeywords(editor);
- keywordsU = keywords.split(" ");
- keywordsL = keywords.toLowerCase().split(" ");
- return scriptHint(editor, keywords, function (e, cur) {
- return e.getTokenAt(cur);
- });
- };
- function getCompletions(token, context) {
- var catalogTablesL = CodeMirror.catalogTables.toLowerCase().split(" ");
- var catalogFieldsL = CodeMirror.catalogFields.toLowerCase().split(" ");
- var found = [], start = token.string, extraFound = [];
- function maybeAdd(str) {
- if (str.indexOf(start) == 0 && !arrayContains(found, str)) found.push(str);
- }
- function maybeAddToExtra(str) {
- var _match = str;
- if (_match.indexOf("fa-magic") > -1) {
- _match = _match.substring(_match.indexOf("FROM ") + 5);
- }
- if (_match.indexOf(start) == 0 && !arrayContains(found, str)) extraFound.push(str);
- }
- function gatherCompletions(obj) {
- if (obj.indexOf(".") == 0) {
- forEach(catalogFieldsL, maybeAdd);
- }
- else {
- if (!CodeMirror.possibleTable) {
- if (CodeMirror.tableFieldMagic) {
- var _specialCatalogTablesL = CodeMirror.catalogTables.toLowerCase().split(" ");
- for (var i = 0; i < _specialCatalogTablesL.length; i++) {
- _specialCatalogTablesL[i] = "<i class='fa fa-magic'></i> FROM " + _specialCatalogTablesL[i];
- }
- forEach(_specialCatalogTablesL, maybeAddToExtra);
- }
- if (CodeMirror.possibleSoloField) {
- forEach(catalogFieldsL, maybeAddToExtra);
- }
- forEach(keywordsU, maybeAdd);
- forEach(keywordsL, maybeAdd);
- }
- else {
- forEach(catalogTablesL, maybeAddToExtra);
- forEach(keywordsU, maybeAdd);
- forEach(keywordsL, maybeAdd);
- }
- }
- }
- if (context) {
- // If this is a property, see if it belongs to some object we can
- // find in the current environment.
- var obj = context.pop(), base;
- base = obj.string;
- while (base != null && context.length)
- base = base[context.pop().string];
- if (base != null) gatherCompletions(base);
- }
- return extraFound.sort().concat(found.sort());
- }
- })();
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