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(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 (!/^[\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);
completionList = getCompletions(token, context);
completionList = completionList.sort();
//prevent autocomplete for last word, instead show dropdown with one word
if(completionList.length == 1) {
completionList.push(" ");
}
return {list: completionList,
from: {line: cur.line, ch: token.start},
to: {line: cur.line, ch: token.end}};
}
CodeMirror.pigHint = function(editor) {
return scriptHint(editor, pigKeywordsU, function (e, cur) {return e.getTokenAt(cur);});
}
function toTitleCase(str) {
return str.replace(/(?:^|\s)\w/g, function(match) {
return match.toUpperCase();
});
}
var pigKeywords = "VOID IMPORT RETURNS DEFINE LOAD FILTER FOREACH ORDER CUBE DISTINCT COGROUP "
+ "JOIN CROSS UNION SPLIT INTO IF OTHERWISE ALL AS BY USING INNER OUTER ONSCHEMA PARALLEL "
+ "PARTITION GROUP AND OR NOT GENERATE FLATTEN ASC DESC IS STREAM THROUGH STORE MAPREDUCE "
+ "SHIP CACHE INPUT OUTPUT STDERROR STDIN STDOUT LIMIT SAMPLE LEFT RIGHT FULL EQ GT LT GTE LTE "
+ "NEQ MATCHES TRUE FALSE";
var pigKeywordsU = pigKeywords.split(" ");
var pigKeywordsL = pigKeywords.toLowerCase().split(" ");
var pigTypes = "BOOLEAN INT LONG FLOAT DOUBLE CHARARRAY BYTEARRAY BAG TUPLE MAP";
var pigTypesU = pigTypes.split(" ");
var pigTypesL = pigTypes.toLowerCase().split(" ");
var pigBuiltins = "ABS ACOS ARITY ASIN ATAN AVG BAGSIZE BINSTORAGE BLOOM BUILDBLOOM CBRT CEIL "
+ "CONCAT COR COS COSH COUNT COUNT_STAR COV CONSTANTSIZE CUBEDIMENSIONS DIFF DISTINCT DOUBLEABS "
+ "DOUBLEAVG DOUBLEBASE DOUBLEMAX DOUBLEMIN DOUBLEROUND DOUBLESUM EXP FLOOR FLOATABS FLOATAVG "
+ "FLOATMAX FLOATMIN FLOATROUND FLOATSUM GENERICINVOKER INDEXOF INTABS INTAVG INTMAX INTMIN "
+ "INTSUM INVOKEFORDOUBLE INVOKEFORFLOAT INVOKEFORINT INVOKEFORLONG INVOKEFORSTRING INVOKER "
+ "ISEMPTY JSONLOADER JSONMETADATA JSONSTORAGE LAST_INDEX_OF LCFIRST LOG LOG10 LOWER LONGABS "
+ "LONGAVG LONGMAX LONGMIN LONGSUM MAX MIN MAPSIZE MONITOREDUDF NONDETERMINISTIC OUTPUTSCHEMA "
+ "PIGSTORAGE PIGSTREAMING RANDOM REGEX_EXTRACT REGEX_EXTRACT_ALL REPLACE ROUND SIN SINH SIZE "
+ "SQRT STRSPLIT SUBSTRING SUM STRINGCONCAT STRINGMAX STRINGMIN STRINGSIZE TAN TANH TOBAG "
+ "TOKENIZE TOMAP TOP TOTUPLE TRIM TEXTLOADER TUPLESIZE UCFIRST UPPER UTF8STORAGECONVERTER";
var pigBuiltinsU = pigBuiltins.split(" ").join("() ").split(" ");
var pigBuiltinsL = pigBuiltins.toLowerCase().split(" ").join("() ").split(" ");
var pigBuiltinsC = ("BagSize BinStorage Bloom BuildBloom ConstantSize CubeDimensions DoubleAbs "
+ "DoubleAvg DoubleBase DoubleMax DoubleMin DoubleRound DoubleSum FloatAbs FloatAvg FloatMax "
+ "FloatMin FloatRound FloatSum GenericInvoker IntAbs IntAvg IntMax IntMin IntSum "
+ "InvokeForDouble InvokeForFloat InvokeForInt InvokeForLong InvokeForString Invoker "
+ "IsEmpty JsonLoader JsonMetadata JsonStorage LongAbs LongAvg LongMax LongMin LongSum MapSize "
+ "MonitoredUDF Nondeterministic OutputSchema PigStorage PigStreaming StringConcat StringMax "
+ "StringMin StringSize TextLoader TupleSize Utf8StorageConverter").split(" ").join("() ").split(" ");
function getCompletions(token, context) {
var found = [], start = token.string;
function maybeAdd(str) {
if (str.indexOf(start) == 0 && !arrayContains(found, str)) found.push(str);
}
function gatherCompletions(obj) {
if(obj == ":") {
forEach(pigTypesL, maybeAdd);
}
else {
forEach(pigBuiltinsU, maybeAdd);
forEach(pigBuiltinsL, maybeAdd);
forEach(pigBuiltinsC, maybeAdd);
forEach(pigTypesU, maybeAdd);
forEach(pigTypesL, maybeAdd);
forEach(pigKeywordsU, maybeAdd);
forEach(pigKeywordsL, 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;
if (obj.className == "pig-word")
base = obj.string;
else if(obj.className == "pig-type")
base = ":" + obj.string;
while (base != null && context.length)
base = base[context.pop().string];
if (base != null) gatherCompletions(base);
}
return found;
}
})();
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