305 lines
9.4 KiB
JavaScript
305 lines
9.4 KiB
JavaScript
// CodeMirror, copyright (c) by Marijn Haverbeke and others
|
|
// Distributed under an MIT license: https://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 identifierQuote;
|
|
var CONS = {
|
|
QUERY_DIV: ";",
|
|
ALIAS_KEYWORD: "AS"
|
|
};
|
|
var Pos = CodeMirror.Pos, cmpPos = CodeMirror.cmpPos;
|
|
|
|
function isArray(val) { return Object.prototype.toString.call(val) == "[object Array]" }
|
|
|
|
function getKeywords(editor) {
|
|
var mode = editor.doc.modeOption;
|
|
if (mode === "sql") mode = "text/x-sql";
|
|
return CodeMirror.resolveMode(mode).keywords;
|
|
}
|
|
|
|
function getIdentifierQuote(editor) {
|
|
var mode = editor.doc.modeOption;
|
|
if (mode === "sql") mode = "text/x-sql";
|
|
return CodeMirror.resolveMode(mode).identifierQuote || "`";
|
|
}
|
|
|
|
function getText(item) {
|
|
return typeof item == "string" ? item : item.text;
|
|
}
|
|
|
|
function wrapTable(name, value) {
|
|
if (isArray(value)) value = {columns: value}
|
|
if (!value.text) value.text = name
|
|
return value
|
|
}
|
|
|
|
function parseTables(input) {
|
|
var result = {}
|
|
if (isArray(input)) {
|
|
for (var i = input.length - 1; i >= 0; i--) {
|
|
var item = input[i]
|
|
result[getText(item).toUpperCase()] = wrapTable(getText(item), item)
|
|
}
|
|
} else if (input) {
|
|
for (var name in input)
|
|
result[name.toUpperCase()] = wrapTable(name, input[name])
|
|
}
|
|
return result
|
|
}
|
|
|
|
function getTable(name) {
|
|
return tables[name.toUpperCase()]
|
|
}
|
|
|
|
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) {
|
|
if (isArray(wordlist)) {
|
|
for (var i = 0; i < wordlist.length; i++)
|
|
if (match(search, wordlist[i])) result.push(formatter(wordlist[i]))
|
|
} else {
|
|
for (var word in wordlist) if (wordlist.hasOwnProperty(word)) {
|
|
var val = wordlist[word]
|
|
if (!val || val === true)
|
|
val = word
|
|
else
|
|
val = val.displayText ? {text: val.text, displayText: val.displayText} : val.text
|
|
if (match(search, val)) result.push(formatter(val))
|
|
}
|
|
}
|
|
}
|
|
|
|
function cleanName(name) {
|
|
// Get rid name from identifierQuote and preceding dot(.)
|
|
if (name.charAt(0) == ".") {
|
|
name = name.substr(1);
|
|
}
|
|
// replace doublicated identifierQuotes with single identifierQuotes
|
|
// and remove single identifierQuotes
|
|
var nameParts = name.split(identifierQuote+identifierQuote);
|
|
for (var i = 0; i < nameParts.length; i++)
|
|
nameParts[i] = nameParts[i].replace(new RegExp(identifierQuote,"g"), "");
|
|
return nameParts.join(identifierQuote);
|
|
}
|
|
|
|
function insertIdentifierQuotes(name) {
|
|
var nameParts = getText(name).split(".");
|
|
for (var i = 0; i < nameParts.length; i++)
|
|
nameParts[i] = identifierQuote +
|
|
// doublicate identifierQuotes
|
|
nameParts[i].replace(new RegExp(identifierQuote,"g"), identifierQuote+identifierQuote) +
|
|
identifierQuote;
|
|
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, column names and return start position of completion
|
|
var useIdentifierQuotes = false;
|
|
var nameParts = [];
|
|
var start = token.start;
|
|
var cont = true;
|
|
while (cont) {
|
|
cont = (token.string.charAt(0) == ".");
|
|
useIdentifierQuotes = useIdentifierQuotes || (token.string.charAt(0) == identifierQuote);
|
|
|
|
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 useIdentifierQuotes ? insertIdentifierQuotes(w) : w;
|
|
});
|
|
|
|
// Try to complete columns from defaultTable
|
|
addMatches(result, string, defaultTable, function(w) {
|
|
return useIdentifierQuotes ? insertIdentifierQuotes(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 (!getTable(table)) {
|
|
var oldTable = table;
|
|
table = findTableByAlias(table, editor);
|
|
if (table !== oldTable) alias = true;
|
|
}
|
|
|
|
var columns = getTable(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 useIdentifierQuotes ? insertIdentifierQuotes(w) : w;
|
|
});
|
|
}
|
|
|
|
return start;
|
|
}
|
|
|
|
function eachWord(lineText, f) {
|
|
var words = lineText.split(/\s+/)
|
|
for (var i = 0; i < words.length; i++)
|
|
if (words[i]) f(words[i].replace(/[,;]/g, ''))
|
|
}
|
|
|
|
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 = null;
|
|
var current = editor.getCursor()
|
|
for (var i = 0; i < separator.length; i++) {
|
|
if ((prevItem == null || cmpPos(current, prevItem) > 0) && cmpPos(current, separator[i]) <= 0) {
|
|
validRange = {start: prevItem, end: separator[i]};
|
|
break;
|
|
}
|
|
prevItem = separator[i];
|
|
}
|
|
|
|
if (validRange.start) {
|
|
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 && getTable(previousWord))
|
|
table = previousWord;
|
|
if (wordUpperCase !== CONS.ALIAS_KEYWORD)
|
|
previousWord = word;
|
|
});
|
|
if (table) break;
|
|
}
|
|
}
|
|
return table;
|
|
}
|
|
|
|
CodeMirror.registerHelper("hint", "sql", function(editor, options) {
|
|
tables = parseTables(options && options.tables)
|
|
var defaultTableName = options && options.defaultTable;
|
|
var disableKeywords = options && options.disableKeywords;
|
|
defaultTable = defaultTableName && getTable(defaultTableName);
|
|
keywords = getKeywords(editor);
|
|
identifierQuote = getIdentifierQuote(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) == identifierQuote) {
|
|
start = nameCompletion(cur, token, result, editor);
|
|
} else {
|
|
var objectOrClass = function(w, className) {
|
|
if (typeof w === "object") {
|
|
w.className = className;
|
|
} else {
|
|
w = { text: w, className: className };
|
|
}
|
|
return w;
|
|
};
|
|
addMatches(result, search, defaultTable, function(w) {
|
|
return objectOrClass(w, "CodeMirror-hint-table CodeMirror-hint-default-table");
|
|
});
|
|
addMatches(
|
|
result,
|
|
search,
|
|
tables, function(w) {
|
|
return objectOrClass(w, "CodeMirror-hint-table");
|
|
}
|
|
);
|
|
if (!disableKeywords)
|
|
addMatches(result, search, keywords, function(w) {
|
|
return objectOrClass(w.toUpperCase(), "CodeMirror-hint-keyword");
|
|
});
|
|
}
|
|
|
|
return {list: result, from: Pos(cur.line, start), to: Pos(cur.line, end)};
|
|
});
|
|
});
|