a language handler for SQL

Author: mikesamuel

src/lang-sql.js

@@ -0,0 +1,57 @@
+// Copyright (C) 2008 Google Inc.
+//
+// Licensed 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.
+
+
+
+/**
+ * @fileoverview
+ * Registers a language handler for SQL.
+ *
+ *
+ * To use, include prettify.js and this file in your HTML page.
+ * Then put your code in an HTML tag like
+ *      <pre class="prettyprint lang-sql">(my SQL code)</pre>
+ *
+ *
+ * http://savage.net.au/SQL/sql-99.bnf.html is the basis for the grammar, and
+ * http://msdn.microsoft.com/en-us/library/aa238507(SQL.80).aspx as the basis
+ * for the keyword list.
+ *
+ * @author [email protected]
+ */
+
+PR.registerLangHandler(
+    PR.createSimpleLexer(
+        [
+         // Whitespace
+         [PR.PR_PLAIN,       /^[\t\n\r \xA0]+/, null, '\t\n\r \xA0'],
+         // A double or single quoted, possibly multi-line, string.
+         [PR.PR_STRING,      /^(?:"(?:[^\"\\]|\\.)*"|'(?:[^\'\\]|\\.)*')/, null,
+          '"\'']
+        ],
+        [
+         // A comment is either a line comment that starts with two dashes, or
+         // two dashes preceding a long bracketed block.
+         [PR.PR_COMMENT, /^(?:--[^\r\n]*|\/\*[\s\S]*?(?:\*\/|$))/],
+         [PR.PR_KEYWORD, /^(?:ADD|ALL|ALTER|AND|ANY|AS|ASC|AUTHORIZATION|BACKUP|BEGIN|BETWEEN|BREAK|BROWSE|BULK|BY|CASCADE|CASE|CHECK|CHECKPOINT|CLOSE|CLUSTERED|COALESCE|COLLATE|COLUMN|COMMIT|COMPUTE|CONSTRAINT|CONTAINS|CONTAINSTABLE|CONTINUE|CONVERT|CREATE|CROSS|CURRENT|CURRENT_DATE|CURRENT_TIME|CURRENT_TIMESTAMP|CURRENT_USER|CURSOR|DATABASE|DBCC|DEALLOCATE|DECLARE|DEFAULT|DELETE|DENY|DESC|DISK|DISTINCT|DISTRIBUTED|DOUBLE|DROP|DUMMY|DUMP|ELSE|END|ERRLVL|ESCAPE|EXCEPT|EXEC|EXECUTE|EXISTS|EXIT|FETCH|FILE|FILLFACTOR|FOR|FOREIGN|FREETEXT|FREETEXTTABLE|FROM|FULL|FUNCTION|GOTO|GRANT|GROUP|HAVING|HOLDLOCK|IDENTITY|IDENTITYCOL|IDENTITY_INSERT|IF|IN|INDEX|INNER|INSERT|INTERSECT|INTO|IS|JOIN|KEY|KILL|LEFT|LIKE|LINENO|LOAD|NATIONAL|NOCHECK|NONCLUSTERED|NOT|NULL|NULLIF|OF|OFF|OFFSETS|ON|OPEN|OPENDATASOURCE|OPENQUERY|OPENROWSET|OPENXML|OPTION|OR|ORDER|OUTER|OVER|PERCENT|PLAN|PRECISION|PRIMARY|PRINT|PROC|PROCEDURE|PUBLIC|RAISERROR|READ|READTEXT|RECONFIGURE|REFERENCES|REPLICATION|RESTORE|RESTRICT|RETURN|REVOKE|RIGHT|ROLLBACK|ROWCOUNT|ROWGUIDCOL|RULE|SAVE|SCHEMA|SELECT|SESSION_USER|SET|SETUSER|SHUTDOWN|SOME|STATISTICS|SYSTEM_USER|TABLE|TEXTSIZE|THEN|TO|TOP|TRAN|TRANSACTION|TRIGGER|TRUNCATE|TSEQUAL|UNION|UNIQUE|UPDATE|UPDATETEXT|USE|USER|VALUES|VARYING|VIEW|WAITFOR|WHEN|WHERE|WHILE|WITH|WRITETEXT)(?=[^\w-]|$)/i, null],
+         // A number is a hex integer literal, a decimal real literal, or in
+         // scientific notation.
+         [PR.PR_LITERAL,
+          /^[+-]?(?:0x[\da-f]+|(?:(?:\.\d+|\d+(?:\.\d*)?)(?:e[+\-]?\d+)?))/i],
+         // An identifier
+         [PR.PR_PLAIN, /^[a-z_][\w-]*/i],
+         // A run of punctuation
+         [PR.PR_PUNCTUATION, /^[^\w\t\n\r \xA0]+/]
+        ]),
+    ['sql']);

tests/prettify_test.html

@@ -10,6 +10,8 @@
  onerror="alert('Error: failed to load ' + this.src)"></script>
 <script src="../src/lang-ml.js" type="text/javascript"
  onerror="alert('Error: failed to load ' + this.src)"></script>
+<script src="../src/lang-sql.js" type="text/javascript"
+ onerror="alert('Error: failed to load ' + this.src)"></script>
 <script type="text/javascript">
 // get accurate timing
 PR_SHOULD_USE_CONTINUATION = false;
@@ -449,6 +451,19 @@ <h1>Python w/ language specified</h1>
 /* not a comment and not keywords: null char true */
 </pre>
 
+<h1>SQL w/ language specified</h1>
+<pre class="prettyprint lang-sql" id="sql_lang">
+/* A multi-line
+ * comment */
+'Another string /* Isn\'t a comment',
+"A string */"
+-- A line comment
+SELECT * FROM users WHERE id IN (1, 2.0, +30e-1);
+-- keywords are case-insensitive.
+-- Note: user-table is a single identifier, not a pair of keywords
+select * from user-table where id in (x, y, z);
+</pre>
+
 <h1>XML</h1>
 <pre class="prettyprint" id="xml">
 &lt;!DOCTYPE series PUBLIC "fibonacci numbers"&gt;
@@ -1292,6 +1307,23 @@ <h1>Bug 45 - Square brackets in strings</h1>
       '`END`PUN/*`END`PLN `END`KWDnot`END`PLN a comment `END`KWDand`END' +
           '`PLN `END`KWDnot`END`PLN keywords`END`PUN:`END' +
           '`PLN null char true `END`PUN*/`END'),
+  sql_lang: (
+      '`COM/* A multi-line<br>' +
+      '&nbsp;* comment */`END`PLN<br>' +
+      '`END`STR\'Another string /* Isn\\\'t a comment\'`END`PUN,`END`PLN<br>' +
+      '`END`STR"A string */"`END`PLN<br>' +
+      '`END`COM-- A line comment`END`PLN<br>' +
+      '`END`KWDSELECT`END`PLN `END`PUN*`END`PLN `END`KWDFROM`END' +
+          '`PLN users `END`KWDWHERE`END`PLN id `END`KWDIN`END`PLN `END' +
+          '`PUN(`END`LIT1`END`PUN,`END`PLN `END`LIT2.0`END`PUN,`END`PLN `END' +
+          '`LIT+30e-1`END`PUN);`END`PLN<br>' +
+      '`END`COM-- keywords are case-insensitive.`END`PLN<br>' +
+      '`END`COM-- Note: user-table is a single identifier, not a pair of' +
+          ' keywords`END`PLN<br>' +
+      '`END`KWDselect`END`PLN `END`PUN*`END`PLN `END`KWDfrom`END' +
+          '`PLN user-table `END`KWDwhere`END`PLN id `END`KWDin`END`PLN `END' +
+          '`PUN(`END`PLNx`END`PUN,`END`PLN y`END`PUN,`END`PLN z`END`PUN);`END'
+      ),
   xml: (
       '`DEC&lt;!DOCTYPE series PUBLIC "fibonacci numbers"&gt;`END`PLN<br>' +
       '<br>' +