1 /****************************************************************************
2 **
3 ** Copyright (C) 2021 The Qt Company Ltd.
4 ** Contact: https://www.qt.io/licensing/
5 **
6 ** This file is part of Qt Creator.
7 **
8 ** Commercial License Usage
9 ** Licensees holding valid commercial Qt licenses may use this file in
10 ** accordance with the commercial license agreement provided with the
11 ** Software or, alternatively, in accordance with the terms contained in
12 ** a written agreement between you and The Qt Company. For licensing terms
13 ** and conditions see https://www.qt.io/terms-conditions. For further
14 ** information use the contact form at https://www.qt.io/contact-us.
15 **
16 ** GNU General Public License Usage
17 ** Alternatively, this file may be used under the terms of the GNU
18 ** General Public License version 3 as published by the Free Software
19 ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
20 ** included in the packaging of this file. Please review the following
21 ** information to ensure the GNU General Public License requirements will
22 ** be met: https://www.gnu.org/licenses/gpl-3.0.html.
23 **
24 ****************************************************************************/
25 
26 #include "projectstoragesqlitefunctionregistry.h"
27 
28 #include <sqlite3.h>
29 
30 namespace QmlDesigner {
31 
32 extern "C" {
33 namespace {
unqualifiedTypeName(sqlite3_context * context,int,sqlite3_value ** arguments)34 void unqualifiedTypeName(sqlite3_context *context, int, sqlite3_value **arguments)
35 {
36     auto argument = arguments[0];
37 
38     auto errorText = "unqualifiedTypeName only accepts text";
39 
40     if (sqlite3_value_type(argument) != SQLITE_TEXT) {
41         sqlite3_result_error(context, errorText, int(std::char_traits<char>::length(errorText)));
42         return;
43     }
44 
45     auto size = sqlite3_value_bytes(argument);
46 
47     auto content = reinterpret_cast<const char *>(sqlite3_value_text(argument));
48 
49     auto begin = content;
50     auto end = content + size;
51 
52     auto rbegin = std::make_reverse_iterator(end);
53     auto rend = std::make_reverse_iterator(begin);
54 
55     auto found = std::find(rbegin, rend, '.').base();
56 
57     auto unqualifiedSize = end - found;
58 
59     sqlite3_result_text(context, found, int(unqualifiedSize), SQLITE_STATIC);
60 }
61 
registerUnqualifiedTypeName(sqlite3 * database)62 void registerUnqualifiedTypeName(sqlite3 *database)
63 {
64     sqlite3_create_function(database,
65                             "unqualifiedTypeName",
66                             1,
67                             SQLITE_UTF8 | SQLITE_DETERMINISTIC | SQLITE_INNOCUOUS,
68                             nullptr,
69                             unqualifiedTypeName,
70                             nullptr,
71                             nullptr);
72 }
73 } // namespace
74 }
75 
ProjectStorageSqliteFunctionRegistry(Sqlite::Database & database)76 ProjectStorageSqliteFunctionRegistry::ProjectStorageSqliteFunctionRegistry(Sqlite::Database &database)
77 {
78     auto databaseHandle = database.backend().sqliteDatabaseHandle();
79 
80     registerUnqualifiedTypeName(databaseHandle);
81 }
82 
83 } // namespace QmlDesigner
84