http://8kwallpaper.online/phpMyAdmin/js/vendor/codemirror/addon/hint/sql-hint.js?v=5.2.1

1// CodeMirror, copyright (c) by Marijn Haverbeke and others
2// Distributed under an MIT license: https://codemirror.net/5/LICENSE
3
4(function(mod) {
5  if (typeof exports == "object" && typeof module == "object") // CommonJS
6    mod(require("../../lib/codemirror"), require("../../mode/sql/sql"));
7  else if (typeof define == "function" && define.amd) // AMD
8    define(["../../lib/codemirror", "../../mode/sql/sql"], mod);
9  else // Plain browser env
10    mod(CodeMirror);
11})(function(CodeMirror) {
12  "use strict";
13
14  var tables;
15  var defaultTable;
16  var keywords;
17  var identifierQuote;
18  var CONS = {
19    QUERY_DIV: ";",
20    ALIAS_KEYWORD: "AS"
21  };
22  var Pos = CodeMirror.Pos, cmpPos = CodeMirror.cmpPos;
23
24  function isArray(val) { return Object.prototype.toString.call(val) == "[object Array]" }
25
26  function getModeConf(editor) {
27    return editor.getModeAt(editor.getCursor()).config || CodeMirror.resolveMode("text/x-sql")
28  }
29
30  function getKeywords(editor) {
31    return getModeConf(editor).keywords || []
32  }
33
34  function getIdentifierQuote(editor) {
35    return getModeConf(editor).identifierQuote || "`";
36  }
37
38  function getText(item) {
39    return typeof item == "string" ? item : item.text;
40  }
41
42  function wrapTable(name, value) {
43    if (isArray(value)) value = {columns: value}
44    if (!value.text) value.text = name
45    return value
46  }
47
48  function parseTables(input) {
49    var result = {}
50    if (isArray(input)) {
51      for (var i = input.length - 1; i >= 0; i--) {
52        var item = input[i]
53        result[getText(item).toUpperCase()] = wrapTable(getText(item), item)
54      }
55    } else if (input) {
56      for (var name in input)
57        result[name.toUpperCase()] = wrapTable(name, input[name])
58    }
59    return result
60  }
61
62  function getTable(name) {
63    return tables[name.toUpperCase()]
64  }
65
66  function shallowClone(object) {
67    var result = {};
68    for (var key in object) if (object.hasOwnProperty(key))
69      result[key] = object[key];
70    return result;
71  }
72
73  function match(string, word) {
74    var len = string.length;
75    var sub = getText(word).substr(0, len);
76    return string.toUpperCase() === sub.toUpperCase();
77  }
78
79  function addMatches(result, search, wordlist, formatter) {
80    if (isArray(wordlist)) {
81      for (var i = 0; i < wordlist.length; i++)
82        if (match(search, wordlist[i])) result.push(formatter(wordlist[i]))
83    } else {
84      for (var word in wordlist) if (wordlist.hasOwnProperty(word)) {
85        var val = wordlist[word]
86        if (!val || val === true)
87          val = word
88        else
89          val = val.displayText ? {text: val.text, displayText: val.displayText} : val.text
90        if (match(search, val)) result.push(formatter(val))
91      }
92    }
93  }
94
95  function cleanName(name) {
96    // Get rid name from identifierQuote and preceding dot(.)
97    if (name.charAt(0) == ".") {
98      name = name.substr(1);
99    }
100    // replace duplicated identifierQuotes with single identifierQuotes
101    // and remove single identifierQuotes
102    var nameParts = name.split(identifierQuote+identifierQuote);
103    for (var i = 0; i < nameParts.length; i++)
104      nameParts[i] = nameParts[i].replace(new RegExp(identifierQuote,"g"), "");
105    return nameParts.join(identifierQuote);
106  }
107
108  function insertIdentifierQuotes(name) {
109    var nameParts = getText(name).split(".");
110    for (var i = 0; i < nameParts.length; i++)
111      nameParts[i] = identifierQuote +
112        // duplicate identifierQuotes
113        nameParts[i].replace(new RegExp(identifierQuote,"g"), identifierQuote+identifierQuote) +
114        identifierQuote;
115    var escaped = nameParts.join(".");
116    if (typeof name == "string") return escaped;
117    name = shallowClone(name);
118    name.text = escaped;
119    return name;
120  }
121
122  function nameCompletion(cur, token, result, editor) {
123    // Try to complete table, column names and return start position of completion
124    var useIdentifierQuotes = false;
125    var nameParts = [];
126    var start = token.start;
127    var cont = true;
128    while (cont) {
129      cont = (token.string.charAt(0) == ".");
130      useIdentifierQuotes = useIdentifierQuotes || (token.string.charAt(0) == identifierQuote);
131
132      start = token.start;
133      nameParts.unshift(cleanName(token.string));
134
135      token = editor.getTokenAt(Pos(cur.line, token.start));
136      if (token.string == ".") {
137        cont = true;
138        token = editor.getTokenAt(Pos(cur.line, token.start));
139      }
140    }
141
142    // Try to complete table names
143    var string = nameParts.join(".");
144    addMatches(result, string, tables, function(w) {
145      return useIdentifierQuotes ? insertIdentifierQuotes(w) : w;
146    });
147
148    // Try to complete columns from defaultTable
149    addMatches(result, string, defaultTable, function(w) {
150      return useIdentifierQuotes ? insertIdentifierQuotes(w) : w;
151    });
152
153    // Try to complete columns
154    string = nameParts.pop();
155    var table = nameParts.join(".");
156
157    var alias = false;

158    var aliasTable = table;
159    // Check if table is available. If not, find table by Alias
160    if (!getTable(table)) {
161      var oldTable = table;
162      table = findTableByAlias(table, editor);
163      if (table !== oldTable) alias = true;
164    }
165
166    var columns = getTable(table);
167    if (columns && columns.columns)
168      columns = columns.columns;
169
170    if (columns) {
171      addMatches(result, string, columns, function(w) {
172        var tableInsert = table;
173        if (alias == true) tableInsert = aliasTable;
174        if (typeof w == "string") {
175          w = tableInsert + "." + w;
176        } else {
177          w = shallowClone(w);
178          w.text = tableInsert + "." + w.text;
179        }
180        return useIdentifierQuotes ? insertIdentifierQuotes(w) : w;
181      });
182    }
183
184    return start;
185  }
186
187  function eachWord(lineText, f) {
188    var words = lineText.split(/\s+/)
189    for (var i = 0; i < words.length; i++)
190      if (words[i]) f(words[i].replace(/[`,;]/g, ''))
191  }
192
193  function findTableByAlias(alias, editor) {
194    var doc = editor.doc;
195    var fullQuery = doc.getValue();
196    var aliasUpperCase = alias.toUpperCase();
197    var previousWord = "";
198    var table = "";
199    var separator = [];
200    var validRange = {
201      start: Pos(0, 0),
202      end: Pos(editor.lastLine(), editor.getLineHandle(editor.lastLine()).length)
203    };
204
205    //add separator
206    var indexOfSeparator = fullQuery.indexOf(CONS.QUERY_DIV);
207    while(indexOfSeparator != -1) {
208      separator.push(doc.posFromIndex(indexOfSeparator));
209      indexOfSeparator = fullQuery.indexOf(CONS.QUERY_DIV, indexOfSeparator+1);
210    }
211    separator.unshift(Pos(0, 0));
212    separator.push(Pos(editor.lastLine(), editor.getLineHandle(editor.lastLine()).text.length));
213
214    //find valid range
215    var prevItem = null;
216    var current = editor.getCursor()
217    for (var i = 0; i < separator.length; i++) {
218      if ((prevItem == null || cmpPos(current, prevItem) > 0) && cmpPos(current, separator[i]) <= 0) {
219        validRange = {start: prevItem, end: separator[i]};
220        break;
221      }
222      prevItem = separator[i];
223    }
224
225    if (validRange.start) {
226      var query = doc.getRange(validRange.start, validRange.end, false);
227
228      for (var i = 0; i < query.length; i++) {
229        var lineText = query[i];
230        eachWord(lineText, function(word) {
231          var wordUpperCase = word.toUpperCase();
232          if (wordUpperCase === aliasUpperCase && getTable(previousWord))
233            table = previousWord;
234          if (wordUpperCase !== CONS.ALIAS_KEYWORD)
235            previousWord = word;
236        });
237        if (table) break;
238      }
239    }
240    return table;
241  }
242
243  CodeMirror.registerHelper("hint", "sql", function(editor, options) {
244    tables = parseTables(options && options.tables)
245    var defaultTableName = options && options.defaultTable;
246    var disableKeywords = options && options.disableKeywords;
247    defaultTable = defaultTableName && getTable(defaultTableName);
248    keywords = getKeywords(editor);
249    identifierQuote = getIdentifierQuote(editor);
250
251    if (defaultTableName && !defaultTable)
252      defaultTable = findTableByAlias(defaultTableName, editor);
253
254    defaultTable = defaultTable || [];
255
256    if (defaultTable.columns)
257      defaultTable = defaultTable.columns;
258
259    var cur = editor.getCursor();
260    var result = [];
261    var token = editor.getTokenAt(cur), start, end, search;
262    if (token.end > cur.ch) {
263      token.end = cur.ch;
264      token.string = token.string.slice(0, cur.ch - token.start);
265    }
266
267    if (token.string.match(/^[.`"'\w@][\w$#]*$/g)) {
268      search = token.string;
269      start = token.start;
270      end = token.end;
271    } else {
272      start = end = cur.ch;
273      search = "";
274    }
275    if (search.charAt(0) == "." || search.charAt(0) == identifierQuote) {
276      start = nameCompletion(cur, token, result, editor);
277    } else {
278      var objectOrClass = function(w, className) {
279        if (typeof w === "object") {
280          w.className = className;
281        } else {
282          w = { text: w, className: className };
283        }
284        return w;
285      };
286    addMatches(result, search, defaultTable, function(w) {
287        return objectOrClass(w, "CodeMirror-hint-table CodeMirror-hint-default-table");
288    });
289    addMatches(
290        result,
291        search,
292        tables, function(w) {
293          return objectOrClass(w, "CodeMirror-hint-table");
294        }
295    );
296    if (!disableKeywords)
297      addMatches(result, search, keywords, function(w) {
298          return objectOrClass(w.toUpperCase(), "CodeMirror-hint-keyword");
299      });
300  }
301
302    return {list: result, from: Pos(cur.line, start), to: Pos(cur.line, end)};
303  });
304});