diff options
Diffstat (limited to 'kget/tdefileio.cpp')
| -rw-r--r-- | kget/tdefileio.cpp | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/kget/tdefileio.cpp b/kget/tdefileio.cpp new file mode 100644 index 00000000..ee4b4096 --- /dev/null +++ b/kget/tdefileio.cpp @@ -0,0 +1,174 @@ +/*************************************************************************** +* tdefileio.cpp +* ------------------- +* +* Revision : $Id$ +* begin : Tue Jan 29 2002 +* copyright : (C) 2002 by Patrick Charbonnier +* +* email : [email protected] +* +***************************************************************************/ + +// Author: Stefan Taferner <[email protected]> + +#include <tqapplication.h> +#include <tqstring.h> +#include <unistd.h> +#include <string.h> +#include <assert.h> +#include <tqfile.h> +#include <tqfileinfo.h> + +#include <kdebug.h> +#include <klocale.h> +#include <kmessagebox.h> + +#include "tdefileio.h" + +//----------------------------------------------------------------------------- +TQString kFileToString(const TQString & aFileName, bool aEnsureNL, bool aVerbose) +{ + TQCString result; + + TQFileInfo info(aFileName); + unsigned int readLen; + unsigned int len = info.size(); + TQFile file(aFileName); + + // assert(aFileName!=NULL); + if (aFileName == NULL) + return ""; + + if (!info.exists()) { + if (aVerbose) + KMessageBox::error(tqApp->mainWidget(), i18n("The specified file does not exist:\n%1").arg(aFileName)); + return TQString(); + } + if (info.isDir()) { + if (aVerbose) + KMessageBox::error(tqApp->mainWidget(), i18n("This is a folder and not a file:\n%1").arg(aFileName)); + return TQString(); + } + if (!info.isReadable()) { + if (aVerbose) + KMessageBox::error(tqApp->mainWidget(), i18n("You do not have read permission for the file:\n%1").arg(aFileName)); + return TQString(); + } + if (len <= 0) + return TQString(); + + if (!file.open(IO_Raw | IO_ReadOnly)) { + if (aVerbose) + switch (file.status()) { + case IO_ReadError: + KMessageBox::error(tqApp->mainWidget(), i18n("Could not read file:\n%1").arg(aFileName)); + break; + case IO_OpenError: + KMessageBox::error(tqApp->mainWidget(), i18n("Could not open file:\n%1").arg(aFileName)); + break; + default: + KMessageBox::error(tqApp->mainWidget(), i18n("Error while reading file:\n%1").arg(aFileName)); + } + return TQString(); + } + + 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) { + TQString msg = i18n("Could only read %1 bytes of %2.").arg(TDEGlobal::locale()->formatNumber(readLen, + 0)).arg(TDEGlobal::locale()->formatNumber(len, 0)); + + KMessageBox::error(tqApp->mainWidget(), msg); + return TQString(); + } + + kdDebug() << "kFileToString: " << readLen << " bytes read" << endl; + return result; +} + + +//----------------------------------------------------------------------------- +static bool kBytesToFile(const char *aBuffer, int len, const TQString & aFileName, bool aAskIfExists, bool aBackup, bool aVerbose) +{ + TQFile file(aFileName); + TQFileInfo info(aFileName); + int writeLen, rc; + + // assert(aFileName!=NULL); + if (aFileName.isNull()) + return false; + + if (info.exists()) { + if (aAskIfExists) { + TQString str = i18n("File %1 exists.\nDo you want to replace it?").arg(aFileName); + + rc = KMessageBox::questionYesNo(tqApp->mainWidget(), str, TQString(), i18n("Replace"),KStdGuiItem::cancel()); + if (rc != KMessageBox::Yes) + return FALSE; + } + if (aBackup) { + // make a backup copy + TQString bakName = aFileName; + + bakName += '~'; + TQFile::remove(bakName); + rc = rename(TQFile::encodeName(aFileName), TQFile::encodeName(bakName)); + if (rc) { + // failed to rename file + if (!aVerbose) + return FALSE; + rc = KMessageBox::warningContinueCancel(tqApp->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(tqApp->mainWidget(), i18n("Could not write to file:\n%1").arg(aFileName)); + break; + case IO_OpenError: + KMessageBox::error(tqApp->mainWidget(), i18n("Could not open file for writing:\n%1").arg(aFileName)); + break; + default: + KMessageBox::error(tqApp->mainWidget(), i18n("Error while writing file:\n%1").arg(aFileName)); + } + return FALSE; + } + + writeLen = file.writeBlock(aBuffer, len); + + if (writeLen < 0) { + KMessageBox::error(tqApp->mainWidget(), i18n("Could not write to file:\n%1").arg(aFileName)); + return FALSE; + } else if (writeLen < len) { + TQString msg = i18n("Could only write %1 bytes of %2.").arg(TDEGlobal::locale()->formatNumber(writeLen, + 0)).arg(TDEGlobal::locale()->formatNumber(len, + 0)); + + KMessageBox::error(tqApp->mainWidget(), msg); + return FALSE; + } + + return TRUE; +} + +bool kCStringToFile(const TQCString & aBuffer, const TQString & aFileName, bool aAskIfExists, bool aBackup, bool aVerbose) +{ + return kBytesToFile(aBuffer, aBuffer.length(), aFileName, aAskIfExists, aBackup, aVerbose); +} + +bool kByteArrayToFile(const TQByteArray & aBuffer, const TQString & aFileName, bool aAskIfExists, bool aBackup, bool aVerbose) +{ + return kBytesToFile(aBuffer, aBuffer.size(), aFileName, aAskIfExists, aBackup, aVerbose); +} |