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/* ScummVM - Scumm Interpreter
* Copyright (C) 2003-2005 Andreas 'Sprawl' Karlsson - Original EPOC port, ESDL
* Copyright (C) 2003-2005 Lars 'AnotherGuest' Persson - Original EPOC port, Audio System
* Copyright (C) 2005 Jurgen 'SumthinWicked' Braam - EPOC/CVS maintainer
* Copyright (C) 2005-2006 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*/
#if defined (__SYMBIAN32__)
#include "common/stdafx.h"
#include "backends/fs/abstract-fs.h"
#include <dirent.h>
#include <eikenv.h>
#include <f32file.h>
#include <bautils.h>
/*
* Implementation of the ScummVM file system API based on POSIX.
*/
class SymbianFilesystemNode : public AbstractFilesystemNode {
protected:
String _displayName;
bool _isDirectory;
bool _isValid;
String _path;
bool _isPseudoRoot;
public:
SymbianFilesystemNode(bool aIsRoot);
SymbianFilesystemNode(const String &path);
virtual String displayName() const { return _displayName; }
virtual String name() const { return _displayName; }
virtual bool isValid() const { return _isValid; }
virtual bool isDirectory() const { return _isDirectory; }
virtual String path() const { return _path; }
virtual bool listDir(AbstractFSList &list, ListMode mode) const;
virtual AbstractFilesystemNode *parent() const;
virtual AbstractFilesystemNode *child(const String &n) const;
};
static const char *lastPathComponent(const Common::String &str) {
const char *start = str.c_str();
const char *cur = start + str.size() - 2;
while (cur >= start && *cur != '/') {
--cur;
}
return cur + 1;
}
AbstractFilesystemNode *AbstractFilesystemNode::getCurrentDirectory() {
return AbstractFilesystemNode::getRoot();
}
AbstractFilesystemNode *AbstractFilesystemNode::getRoot() {
return new SymbianFilesystemNode(true);
}
AbstractFilesystemNode *AbstractFilesystemNode::getNodeForPath(const String &path) {
return new SymbianFilesystemNode(path);
}
SymbianFilesystemNode::SymbianFilesystemNode(bool aIsRoot) {
_path = "";
_isValid = true;
_isDirectory = true;
_isPseudoRoot = aIsRoot;
_displayName = "Root";
}
SymbianFilesystemNode::SymbianFilesystemNode(const String &path) {
if (path.size() == 0)
_isPseudoRoot = true;
else
_isPseudoRoot = false;
_path = path;
const char *dsplName = NULL, *pos = path.c_str();
// FIXME -- why is this code scanning for a slash '/' when the rest of
// the code in this file uses backslashes '\' ?
// TODO: Use lastPathComponent here.
while (*pos)
if (*pos++ == '/')
dsplName = pos;
_displayName = String(dsplName);
_isValid = true;
_isDirectory = true;
}
bool SymbianFilesystemNode::listDir(AbstractFSList &myList, ListMode mode) const {
assert(_isDirectory);
if (_isPseudoRoot) {
// Drives enumeration
RFs fs = CEikonEnv::Static()->FsSession();
TInt driveNumber;
TChar driveLetter;
TUint driveLetterValue;
TVolumeInfo volumeInfo;
TBuf8<30> driveLabel8;
TBuf8<30> driveString8;
for (driveNumber=EDriveA; driveNumber<=EDriveZ; driveNumber++) {
TInt err = fs.Volume(volumeInfo, driveNumber);
if (err != KErrNone)
continue;
if(fs.DriveToChar(driveNumber,driveLetter) != KErrNone)
continue;
driveLetterValue = driveLetter;
if(volumeInfo.iName.Length() > 0) {
driveLabel8.Copy(volumeInfo.iName); // 16 to 8bit des // enabling this line alone gives KERN-EXEC 3 with non-optimized GCC? WHY? grrr
driveString8.Format(_L8("Drive %c: (%S)"), driveLetterValue, &driveLabel8);
} else {
driveString8.Format(_L8("Drive %c:"), driveLetterValue);
}
char path[10];
sprintf(path,"%c:\\", driveNumber+'A');
SymbianFilesystemNode entry(false);
entry._displayName = (char*)driveString8.PtrZ(); // drive_name
entry._isDirectory = true;
entry._isValid = true;
entry._isPseudoRoot = false;
entry._path = path;
myList.push_back(new SymbianFilesystemNode(entry));
}
} else {
TPtrC8 ptr((const unsigned char*)_path.c_str(),_path.size());
TFileName fname;
fname.Copy(ptr);
TBuf8<256>nameBuf;
CDir* dirPtr;
if(CEikonEnv::Static()->FsSession().GetDir(fname,KEntryAttNormal|KEntryAttDir,0,dirPtr)==KErrNone) {
CleanupStack::PushL(dirPtr);
TInt cnt=dirPtr->Count();
for(TInt loop=0;loop<cnt;loop++) {
TEntry fileentry=(*dirPtr)[loop];
nameBuf.Copy(fileentry.iName);
SymbianFilesystemNode entry(false);
entry._isPseudoRoot = false;
entry._displayName =(char*)nameBuf.PtrZ();
entry._path = _path;
entry._path +=(char*)nameBuf.PtrZ();
entry._isDirectory = fileentry.IsDir();
// Honor the chosen mode
if ((mode == FilesystemNode::kListFilesOnly && entry._isDirectory) ||
(mode == FilesystemNode::kListDirectoriesOnly && !entry._isDirectory))
continue;
if (entry._isDirectory)
entry._path += "\\";
myList.push_back(new SymbianFilesystemNode(entry));
}
CleanupStack::PopAndDestroy(dirPtr);
}
}
return true;
}
AbstractFilesystemNode *SymbianFilesystemNode::parent() const {
SymbianFilesystemNode *p =NULL;
// Root node is its own parent. Still we can't just return this
// as the GUI code will call delete on the old node.
if (!_isPseudoRoot && _path.size() > 3) {
p=new SymbianFilesystemNode(false);
const char *start = _path.c_str();
const char *end = lastPathComponent(_path);
p->_path = String(start, end - start);
p->_isValid = true;
p->_isDirectory = true;
p->_displayName = lastPathComponent(p->_path);
}
else
{
p=new SymbianFilesystemNode(true);
}
return p;
}
AbstractFilesystemNode *SymbianFilesystemNode::child(const String &n) const {
assert(_isDirectory);
String newPath(_path);
if (_path.lastChar() != '\\')
newPath += '\\';
newPath += n;
TPtrC8 ptr((const unsigned char*) newPath.c_str(), newPath.size());
TFileName fname;
fname.Copy(ptr);
TBool isFolder = EFalse;
BaflUtils::IsFolder(CEikonEnv::Static()->FsSession(), fname, isFolder);
if(!isFolder)
return 0;
SymbianFilesystemNode *p = new SymbianFilesystemNode(newPath);
return p;
}
#endif // defined(__SYMBIAN32__)
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