Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 174 insertions, 0 deletions

diff --git a/kget/kfileio.cpp b/kget/kfileio.cpp
new file mode 100644
index 00000000..bfd03864
--- /dev/null
+++ b/kget/kfileio.cpp
@@ -0,0 +1,174 @@
+/***************************************************************************
+*                                kfileio.cpp
+*                             -------------------
+*
+*    Revision     : $Id$
+*    begin        : Tue Jan 29 2002
+*    copyright    : (C) 2002 by Patrick Charbonnier
+*
+*    email        : [email protected]
+*
+***************************************************************************/
+
+// Author: Stefan Taferner <[email protected]>
+
+#include <qapplication.h>
+#include <qstring.h>
+#include <unistd.h>
+#include <string.h>
+#include <assert.h>
+#include <qfile.h>
+#include <qfileinfo.h>
+
+#include <kdebug.h>
+#include <klocale.h>
+#include <kmessagebox.h>
+
+#include "kfileio.h"
+
+//-----------------------------------------------------------------------------
+QString kFileToString(const QString & aFileName, bool aEnsureNL, bool aVerbose)
+{
+    QCString result;
+
+    QFileInfo info(aFileName);
+    unsigned int readLen;
+    unsigned int len = info.size();
+    QFile file(aFileName);
+
+    // assert(aFileName!=NULL);
+    if (aFileName == NULL)
+        return "";
+
+    if (!info.exists()) {
+        if (aVerbose)
+            KMessageBox::error(qApp->mainWidget(), i18n("The specified file does not exist:\n%1").arg(aFileName));
+        return QString::null;
+    }
+    if (info.isDir()) {
+        if (aVerbose)
+            KMessageBox::error(qApp->mainWidget(), i18n("This is a folder and not a file:\n%1").arg(aFileName));
+        return QString::null;
+    }
+    if (!info.isReadable()) {
+        if (aVerbose)
+            KMessageBox::error(qApp->mainWidget(), i18n("You do not have read permission for the file:\n%1").arg(aFileName));
+        return QString::null;
+    }
+    if (len <= 0)
+        return QString::null;
+
+    if (!file.open(IO_Raw | IO_ReadOnly)) {
+        if (aVerbose)
+            switch (file.status()) {
+            case IO_ReadError:
+                KMessageBox::error(qApp->mainWidget(), i18n("Could not read file:\n%1").arg(aFileName));
+                break;
+            case IO_OpenError:
+                KMessageBox::error(qApp->mainWidget(), i18n("Could not open file:\n%1").arg(aFileName));
+                break;
+            default:
+                KMessageBox::error(qApp->mainWidget(), i18n("Error while reading file:\n%1").arg(aFileName));
+            }
+        return QString::null;
+    }
+
+    result.resize(len + (int) aEnsureNL + 1);
+    readLen = file.readBlock(result.data(), len);
+    if (aEnsureNL && result[len - 1] != '\n') {
+        result[len++] = '\n';
+        readLen++;
+    }
+    result[len] = '\0';
+
+    if (readLen < len) {
+        QString msg = i18n("Could only read %1 bytes of %2.").arg(KGlobal::locale()->formatNumber(readLen,
+                      0)).arg(KGlobal::locale()->formatNumber(len, 0));
+
+        KMessageBox::error(qApp->mainWidget(), msg);
+        return QString::null;
+    }
+
+    kdDebug() << "kFileToString: " << readLen << " bytes read" << endl;
+    return result;
+}
+
+
+//-----------------------------------------------------------------------------
+static bool kBytesToFile(const char *aBuffer, int len, const QString & aFileName, bool aAskIfExists, bool aBackup, bool aVerbose)
+{
+    QFile file(aFileName);
+    QFileInfo info(aFileName);
+    int writeLen, rc;
+
+    // assert(aFileName!=NULL);
+    if (aFileName.isNull())
+        return false;
+
+    if (info.exists()) {
+        if (aAskIfExists) {
+            QString str = i18n("File %1 exists.\nDo you want to replace it?").arg(aFileName);
+
+            rc = KMessageBox::questionYesNo(qApp->mainWidget(), str, QString::null, i18n("Replace"),KStdGuiItem::cancel());
+            if (rc != KMessageBox::Yes)
+                return FALSE;
+        }
+        if (aBackup) {
+            // make a backup copy
+            QString bakName = aFileName;
+
+            bakName += '~';
+            QFile::remove(bakName);
+            rc = rename(QFile::encodeName(aFileName), QFile::encodeName(bakName));
+            if (rc) {
+                // failed to rename file
+                if (!aVerbose)
+                    return FALSE;
+                rc = KMessageBox::warningContinueCancel(qApp->mainWidget(), i18n("Failed to make a backup copy of %1.\nContinue anyway?").arg(aFileName));
+                if (rc != KMessageBox::Continue)
+                    return FALSE;
+            }
+        }
+    }
+
+    if (!file.open(IO_Raw | IO_WriteOnly)) {
+        if (aVerbose)
+            switch (file.status()) {
+            case IO_WriteError:
+                KMessageBox::error(qApp->mainWidget(), i18n("Could not write to file:\n%1").arg(aFileName));
+                break;
+            case IO_OpenError:
+                KMessageBox::error(qApp->mainWidget(), i18n("Could not open file for writing:\n%1").arg(aFileName));
+                break;
+            default:
+                KMessageBox::error(qApp->mainWidget(), i18n("Error while writing file:\n%1").arg(aFileName));
+            }
+        return FALSE;
+    }
+
+    writeLen = file.writeBlock(aBuffer, len);
+
+    if (writeLen < 0) {
+        KMessageBox::error(qApp->mainWidget(), i18n("Could not write to file:\n%1").arg(aFileName));
+        return FALSE;
+    } else if (writeLen < len) {
+        QString msg = i18n("Could only write %1 bytes of %2.").arg(KGlobal::locale()->formatNumber(writeLen,
+                      0)).arg(KGlobal::locale()->formatNumber(len,
+                                                              0));
+
+        KMessageBox::error(qApp->mainWidget(), msg);
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
+bool kCStringToFile(const QCString & aBuffer, const QString & aFileName, bool aAskIfExists, bool aBackup, bool aVerbose)
+{
+    return kBytesToFile(aBuffer, aBuffer.length(), aFileName, aAskIfExists, aBackup, aVerbose);
+}
+
+bool kByteArrayToFile(const QByteArray & aBuffer, const QString & aFileName, bool aAskIfExists, bool aBackup, bool aVerbose)
+{
+    return kBytesToFile(aBuffer, aBuffer.size(), aFileName, aAskIfExists, aBackup, aVerbose);
+}