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/*
* rtfile.epoc.cpp
*
* Copyright (c) 2000-2004 by Florian Fischer (florianfischer@gmx.de)
* and Martin Trautmann (martintrautmann@gmx.de)
*
* This file may be distributed and/or modified under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation.
*
* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef __LRT_FILE_EPOC__
#define __LRT_FILE_EPOC__
#include "rtfile.h"
#include <f32file.h>
#include "rtetools.h"
#include "rtcollect.h"
#include "rtstring.h"
#include "rtchar.h"
namespace lrt {
const int File::minNameCount = 1;
const char File::separatorChar = '\\';
const String File::separator = "\\";
const bool File::caseSensitive = false;
const TTime TIMEepoch(TDateTime(1970, EJanuary, 0, 0, 0, 0, 0));
//////// Private Helper Functions /////////////
// checks if the drive specified in the given file name exists
bool driveExists(const String& fname, RFs& session)
{
if(fname.length() == 0) return false;
int driveNum = Char::lowerCase(fname[0]) - 'a';
if((driveNum < 0) || (driveNum >= 26))
return false;
TDriveList drives;
if(session.DriveList(drives) < 0)
return false;
return drives[driveNum];
}
// copies the file attributes from the entry to the file
void File::setAttribs(TEntry& entry)
{
attribs->exists = ATTRIB_TRUE;
attribs->canRead = ATTRIB_TRUE;
attribs->canWrite = (entry.IsReadOnly() ? ATTRIB_FALSE : ATTRIB_TRUE);
attribs->isFolder = (entry.IsDir() ? ATTRIB_TRUE : ATTRIB_FALSE);
attribs->size = entry.iSize;
TTimeIntervalSeconds ti;
entry.iModified.SecondsFrom(TIMEepoch, ti);
attribs->lastModified.sec = ti.Int();
}
/////// Real functions /////////////////
void File::initialize(const String &executableFileName)
{
currentFolder = new File("C:\\");
currentFolder->attribs->isFolder = ATTRIB_TRUE;
executableFile = new File(executableFileName);
File execFolder = executableFile->getParentFile();
homeFolder = new File(execFolder);
settingsFolder = new File(execFolder);
delete currentFolder;
currentFolder = new File(execFolder);
}
// Same as in Windows
bool File::resolveExtra(File *file, const String &fname) const
{
if(fname.startsWith("\\"))
{
Array<String> *nNames = new Array<String>(file->names->length() + 1);
(*nNames)[0] = (*names)[0];
for(int i = 0; i < file->names->length(); i++)
(*nNames)[i+1] = (*(file->names))[i];
file->set(nNames);
return true;
}
return false;
}
bool File::createSingleFolder(const File& folder)
{
String fname = folder.getName();
RFs session;
if(session.Connect() < 0) return false;
bool ret;
ret = (session.MkDir(ESTRING(fname)) >= 0);
session.Close();
return ret;
}
// How?
void File::fetchAttributes()
{
RFs session;
if(session.Connect() < 0) return;
unsigned int attr = 0;
String fname = getName();
if(names->length() == 1) // volumes must be handled separately, Att() fails for them
{
attribs->exists = (driveExists(fname, session) ? ATTRIB_TRUE : ATTRIB_FALSE);
attribs->canRead = ATTRIB_FALSE;
attribs->canWrite = ATTRIB_FALSE;
return;
}
int ret = session.Att(ESTRING(fname), attr);
if(ret == KErrNotFound) // file doesn't exist
{
attribs->exists = ATTRIB_FALSE;
attribs->canRead = ATTRIB_FALSE;
attribs->canWrite = ATTRIB_TRUE;
}
else if(ret < 0) { // Att() fails for volume identifiers (ex: "C:\"), try to catch that
System::println("Att() failed for " + fname);
return;
}
else { // file exists
TEntry entry;
if(!session.Entry(ESTRING(fname), entry)) // success
{
setAttribs(entry);
}
else
{
attribs->exists = ATTRIB_TRUE;
attribs->canRead = ATTRIB_TRUE;
attribs->canWrite = ((attr & KEntryAttReadOnly) ? ATTRIB_FALSE : ATTRIB_TRUE);
attribs->isFolder = ((attr & KEntryAttDir) ? ATTRIB_TRUE : ATTRIB_FALSE);
}
}
session.Close();
}
// Same as in Windows
bool File::isAbsolute(const String &fname)
{
if(fname.length() < 2) return false;
if((fname[1] == ':') && Char::isLetter(fname[0]))
return true;
return false;
}
String File::getAbsolutePrefix()
{
return String();
}
// How?
Array<File> File::listImpl(const IFilenameFilter *filter)
{
bool acceptAll = false;
if(filter == 0)
acceptAll = true;
File parentFile = (isFolder() ? (*this) : getParentFile());
String search = (isFolder() ? getName() : parentFile.getName());
search += "*";
Vector<File> ret(0);
RFs session;
if(session.Connect() < 0) { System::println("Can't connect!"); return ret; }
CDir *dirList;
if(session.GetDir(ESTRING(search),
KEntryAttMaskSupported,ESortByName,dirList) < 0) {
System::println("Can't GetDir!"); delete[] dirList; return ret; }
for(int i = 0; i < dirList->Count(); i++)
{
TEntry curEntry = (*dirList)[i];
String file = MYSTRING_C(curEntry.iName);
if((file == ".") || (file == "..")) // don't include them
continue;
if(curEntry.IsDir()) file += separatorChar;
if(acceptAll || filter->accept(parentFile, file))
{
File r = File(parentFile, file);
r.setAttribs(curEntry);
ret += r;
}
}
delete dirList;
session.Close();
return ret;
}
} // namespace
#endif
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