summaryrefslogtreecommitdiffstats
path: root/tools/porting/src/filewriter.cpp
blob: e1ba0aa8621da3eb57d8559c7b650d9f6ea786fa (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
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
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the qt3to4 porting application of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/

#include "filewriter.h"
#include <QFile>
#include <QFileInfo>
#include <QDir>
#include <ctype.h>

QT_BEGIN_NAMESPACE

FileWriter *FileWriter::theInstance  = 0;

FileWriter *FileWriter::instance()
{
     if(!theInstance)
        theInstance = new FileWriter();

        return theInstance;
}

void FileWriter::deleteInstance()
{
    if(theInstance) {
        delete theInstance;
        theInstance=0;
    }
}

FileWriter::FileWriter(OverWriteFiles overWrite, QString overwriteMsg)
:overWriteFiles(overWrite)
,overwriteMessage(overwriteMsg)
{
    if(overwriteMessage.isEmpty())
       overwriteMessage = QLatin1String("Convert file ");
}

FileWriter::WriteResult FileWriter::writeFileVerbously(QString filePath, QByteArray contents)
{
    const WriteResult result = writeFile(filePath, contents);
    if (result == WriteSucceeded) {
        QString cleanPath = QDir::cleanPath(filePath);
        printf("Wrote to file: %s \n", QDir::toNativeSeparators(cleanPath).toLocal8Bit().constData());
    }
    return result;
}

FileWriter::WriteResult FileWriter::writeFile(QString filePath, QByteArray contents)
{
    if(filePath.isEmpty())
        return WriteFailed;
    QString path = QFileInfo(filePath).path();
    if (!QDir().mkpath(path)){
         printf("Error creating path %s \n", QDir::toNativeSeparators(path).toLocal8Bit().constData());
    }

    QString cleanPath = QDir::cleanPath(filePath);
    QFile f(cleanPath);
    if (f.exists()) {
        if (overWriteFiles == DontOverWrite) {
            printf("Error writing file %s: It already exists \n",
                QDir::toNativeSeparators(cleanPath).toLatin1().constData());
            return WriteFailed;
        } else if(overWriteFiles == AskOnOverWrite) {
            printf("%s%s? (Y)es, (N)o, (A)ll ", overwriteMessage.toLatin1().constData(),
                QDir::toNativeSeparators(cleanPath).toLatin1().constData());
            
            char answer = 0;
            while (answer != 'y' && answer != 'n' && answer != 'a') {
#if defined(Q_OS_WIN) && defined(_MSC_VER) && _MSC_VER >= 1400
                scanf_s("%c", &answer);
#else
                scanf("%c", &answer);
#endif
                answer = tolower(answer);
            }

            if(answer == 'n')
                return WriteSkipped;
            else if(answer == 'a')
                overWriteFiles=AlwaysOverWrite;
        }
    }

    f.open(QFile::WriteOnly);
    if (f.isOpen() && f.write(contents) == contents.size())
        return WriteSucceeded;

    printf("Could not write to to file: %s. Is it write protected?\n",
        QDir::toNativeSeparators(filePath).toLatin1().constData());

    return WriteFailed;
}

/*
    Sets the write mode for the file writer. writeMode is one of
    DontOverWrite, AlwaysOverWrite, AskOnOverWrite.
*/
void FileWriter::setOverwriteFiles(OverWriteFiles writeMode)
{
    overWriteFiles = writeMode;
}

QByteArray detectLineEndings(const QByteArray &array)
{
    if (array.contains("\r\n")) {
        return "\r\n";
    } else {
        return "\n";
    }
}

QT_END_NAMESPACE