blob: b8d82c513f7b68e6420115ff3b82167ac5591d8b (
plain)
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
|
// Licensed under the Apache-2.0 license. See README.md for details.
#include "FileSystem.h"
#include <QDir>
#include <QSaveFile>
#include <QFileInfo>
void ensureExists(const QDir &dir)
{
if (!QDir().mkpath(dir.absolutePath()))
{
throw FS::FileSystemException("Unable to create directory " + dir.dirName() + " (" +
dir.absolutePath() + ")");
}
}
void FS::write(const QString &filename, const QByteArray &data)
{
ensureExists(QFileInfo(filename).dir());
QSaveFile file(filename);
if (!file.open(QSaveFile::WriteOnly))
{
throw FileSystemException("Couldn't open " + filename + " for writing: " +
file.errorString());
}
if (data.size() != file.write(data))
{
throw FileSystemException("Error writing data to " + filename + ": " +
file.errorString());
}
if (!file.commit())
{
throw FileSystemException("Error while committing data to " + filename + ": " +
file.errorString());
}
}
QByteArray FS::read(const QString &filename)
{
QFile file(filename);
if (!file.open(QFile::ReadOnly))
{
throw FileSystemException("Unable to open " + filename + " for reading: " +
file.errorString());
}
const qint64 size = file.size();
QByteArray data(int(size), 0);
const qint64 ret = file.read(data.data(), size);
if (ret == -1 || ret != size)
{
throw FileSystemException("Error reading data from " + filename + ": " +
file.errorString());
}
return data;
}
|
