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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 () {
- 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' token, ignore the token.
- if (token.string.indexOf("'") == 0){
- CodeMirror.isPath = !CodeMirror.isTable;
- token.string = token.string.substring(1, token.string.length);
- }
- if (token.string.indexOf("/") > -1){
- token.string = token.string.substring(token.string.lastIndexOf("/") + 1);
- }
- if (!/^[\w$_]*$/.test(token.string)) {
- token = tprop = {start: cur.ch, end: cur.ch, string: "", state: token.state,
- className: token.string == ":" ? "pig-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.isPath = false;
- CodeMirror.isTable = false;
- CodeMirror.isHCatHint = false;
- CodeMirror.currentFiles = [];
- CodeMirror.catalogTables = "";
- CodeMirror.pigHint = function (editor) {
- return scriptHint(editor, pigCaseInsensitive, function (e, cur) {
- return e.getTokenAt(cur);
- });
- };
- var pigCaseInsensitive = "and any all arrange as asc bag by bytearray boolean cache cat cd chararray cogroup cp cross " +
- "datetime %declare %default define desc describe distinct double du dump e eval exec explain f filter " +
- "flatten float foreach full generate group help if illustrate import inner input int into is join kill" +
- "l left limit load long ls map matches mkdir mv not null onschema or order outer output parallel pig pwd" +
- "quit register right rm rmf run sample set ship split stderr stdin stdout store stream through tuple union using";
- var pigCaseInsensitiveU = pigCaseInsensitive.toUpperCase().split(" ");
- var pigCaseInsensitiveL = pigCaseInsensitive.toLowerCase().split(" ");
- var pigCaseSensitive = "AVG BinStorage CONCAT copyFromLocal copyToLocal COUNT DIFF MAX MIN PigDump PigStorage SIZE SUM TextLoader TOKENIZE".split(" ");
- function getCompletions(token, context) {
- var catalogTablesL = CodeMirror.catalogTables.toLowerCase().split(" ");
- var found = [], start = token.string, extraFound = [];
- function maybeAdd(str) {
- var stripped = strip(str).replace(/(?:(?:^|\n)\s+|\s+(?:$|\n))/g,'').replace(/\s+/g,' ');
- if (stripped.toLowerCase().indexOf(start.toLowerCase()) == 0 && !arrayContains(found, str)) found.push(str);
- }
- function maybeAddToExtra(str) {
- if (str.toLowerCase().indexOf(start.toLowerCase()) == 0 && !arrayContains(found, str)) extraFound.push(str);
- }
- function strip(html){
- if (jQuery) {
- return $("<div>").html(html).text();
- }
- else {
- var tmp = document.createElement("DIV");
- tmp.innerHTML = html;
- return tmp.textContent || tmp.innerText;
- }
- }
- function gatherCompletions(obj) {
- if (CodeMirror.isPath || (obj.indexOf("'") == 0 && !CodeMirror.isTable)){
- forEach(CodeMirror.currentFiles, maybeAdd);
- }
- else if (CodeMirror.isTable) {
- forEach(catalogTablesL, maybeAddToExtra);
- }
- else {
- forEach(pigCaseInsensitiveU, maybeAdd);
- forEach(pigCaseInsensitiveL, maybeAdd);
- forEach(pigCaseSensitive, maybeAdd);
- forEach(CodeMirror.availableVariables, maybeAddToExtra);
- }
- if (CodeMirror.isHCatHint){
- maybeAdd("<i class='fa fa-magic'></i> USING org.apache.hcatalog.pig.HCatLoader();");
- }
- }
- 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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