1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms and
** conditions see http://www.qt.io/terms-conditions. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "clangfilesystemwatcher.h"
#include "translationunits.h"
#include <utf8stringvector.h>
#include <QFileInfo>
#include <QStringList>
#include <algorithm>
#include <iterator>
namespace ClangBackEnd {
namespace {
QStringList toStringList(const QSet<Utf8String> &files)
{
QStringList resultList;
resultList.reserve(files.size());
std::copy(files.cbegin(), files.cend(), std::back_inserter(resultList));
return resultList;
}
QStringList filterExistingFiles(QStringList &&filePaths)
{
auto fileExists = [] (const QString &filePath) {
return QFileInfo::exists(filePath);
};
auto startOfNonExistingFilePaths = std::partition(filePaths.begin(),
filePaths.end(),
fileExists);
filePaths.erase(startOfNonExistingFilePaths, filePaths.end());
return filePaths;
}
}
ClangFileSystemWatcher::ClangFileSystemWatcher(TranslationUnits &translationUnits)
: translationUnits(translationUnits)
{
connect(&watcher,
&QFileSystemWatcher::fileChanged,
this,
&ClangFileSystemWatcher::updateTranslationUnitsWithChangedDependencies);
}
void ClangFileSystemWatcher::addFiles(const QSet<Utf8String> &filePaths)
{
const auto existingFiles = filterExistingFiles(toStringList(filePaths));
if (!existingFiles.isEmpty())
watcher.addPaths(existingFiles);
}
void ClangFileSystemWatcher::updateTranslationUnitsWithChangedDependencies(const QString &filePath)
{
translationUnits.updateTranslationUnitsWithChangedDependency(filePath);
emit fileChanged(filePath);
}
} // namespace ClangBackEnd
|
