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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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     7 ** This file is part of the qt3to4 porting application of the Qt Toolkit.

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    14 ** this package.

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    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 

    42 #include "filewriter.h"

    43 #include <QFile>

    44 #include <QFileInfo>

    45 #include <QDir>

    46 #include <ctype.h>

    47 #include <errno.h>

    48 

    49 QT_BEGIN_NAMESPACE

    50 

    51 FileWriter *FileWriter::theInstance  = 0;

    52 

    53 FileWriter *FileWriter::instance()

    54 {

    55      if(!theInstance)

    56         theInstance = new FileWriter();

    57 

    58         return theInstance;

    59 }

    60 

    61 void FileWriter::deleteInstance()

    62 {

    63     if(theInstance) {

    64         delete theInstance;

    65         theInstance=0;

    66     }

    67 }

    68 

    69 FileWriter::FileWriter(OverWriteFiles overWrite, QString overwriteMsg)

    70 :overWriteFiles(overWrite)

    71 ,overwriteMessage(overwriteMsg)

    72 {

    73     if(overwriteMessage.isEmpty())

    74        overwriteMessage = QLatin1String("Convert file ");

    75 }

    76 

    77 FileWriter::WriteResult FileWriter::writeFileVerbously(QString filePath, QByteArray contents)

    78 {

    79     const WriteResult result = writeFile(filePath, contents);

    80     if (result == WriteSucceeded) {

    81         QString cleanPath = QDir::cleanPath(filePath);

    82         printf("Wrote to file: %s \n", QDir::toNativeSeparators(cleanPath).toLocal8Bit().constData());

    83     }

    84     return result;

    85 }

    86 

    87 FileWriter::WriteResult FileWriter::writeFile(QString filePath, QByteArray contents)

    88 {

    89     if(filePath.isEmpty())

    90         return WriteFailed;

    91     QString path = QFileInfo(filePath).path();

    92     if (!QDir().mkpath(path)){

    93          printf("Error creating path %s \n", QDir::toNativeSeparators(path).toLocal8Bit().constData());

    94     }

    95 

    96     QString cleanPath = QDir::cleanPath(filePath);

    97     QFile f(cleanPath);

    98     if (f.exists()) {

    99         if (overWriteFiles == DontOverWrite) {

   100             printf("Error writing file %s: It already exists \n",

   101                 QDir::toNativeSeparators(cleanPath).toLatin1().constData());

   102             return WriteFailed;

   103         } else if(overWriteFiles == AskOnOverWrite) {

   104             printf("%s%s? (Y)es, (N)o, (A)ll ", overwriteMessage.toLatin1().constData(),

   105                 QDir::toNativeSeparators(cleanPath).toLatin1().constData());

   106             

   107             char answer = 0;

   108             while (answer != 'y' && answer != 'n' && answer != 'a') {

   109 #if defined(Q_OS_WIN) && defined(_MSC_VER) && _MSC_VER >= 1400

   110                 int result = scanf_s("%c", &answer);

   111 #else

   112                 int result = scanf("%c", &answer);

   113 #endif

   114                 if (1 == result)

   115                     answer = tolower(answer);

   116                 else if (EOF == result) {

   117                     if (EINTR == errno || EILSEQ == errno)

   118                         continue;

   119 

   120                     answer = 'n';

   121                 }

   122             }

   123 

   124             if(answer == 'n')

   125                 return WriteSkipped;

   126             else if(answer == 'a')

   127                 overWriteFiles=AlwaysOverWrite;

   128         }

   129     }

   130 

   131     f.open(QFile::WriteOnly);

   132     if (f.isOpen() && f.write(contents) == contents.size())

   133         return WriteSucceeded;

   134 

   135     printf("Could not write to to file: %s. Is it write protected?\n",

   136         QDir::toNativeSeparators(filePath).toLatin1().constData());

   137 

   138     return WriteFailed;

   139 }

   140 

   141 /*

   142     Sets the write mode for the file writer. writeMode is one of

   143     DontOverWrite, AlwaysOverWrite, AskOnOverWrite.

   144 */

   145 void FileWriter::setOverwriteFiles(OverWriteFiles writeMode)

   146 {

   147     overWriteFiles = writeMode;

   148 }

   149 

   150 QByteArray detectLineEndings(const QByteArray &array)

   151 {

   152     if (array.contains("\r\n")) {

   153         return "\r\n";

   154     } else {

   155         return "\n";

   156     }

   157 }

   158 

   159 QT_END_NAMESPACE