C++ FSPath::GetItem方法代码示例

int FSTmp::Delete(FSPath& path, int* err, FSCInfo* info)
{
	FSString* dName = path.GetItem(path.Count() - 1);
	FSTmpNode* n = rootDir.findByName(dName);
	if (n == 0)
	{
		return FS::SetError(err, FSTMP_ERROR_FILE_NOT_FOUND);;
	}
	else
	{
		/*
		if (n->nodeType == FSTmpNode::NODE_FILE)
		{ // remove file at base FS
			int ret = baseFS->Delete(n->baseFSPath, err, info);
			if (ret != 0)
				return ret;
		}
		*/
		// remove from tmpfs list
		for (auto it = n->parentDir->content.begin(); it != n->parentDir->content.end(); ++it)
		{ 
			if ((*it).name.Cmp(*dName) == 0)
			{
				n->parentDir->content.erase(it);
				return FS::SetError(err, 0);
			}
		}
		return FS::SetError(err, FSTMP_ERROR_FILE_NOT_FOUND);;
	}
}

void OperCFThread::CreateDirectory( FS* fs, FSPath& srcPath, FSPath& destPath, bool processMultipleFolders )
{
	if ( processMultipleFolders )
	{
		const int DirIndex = srcPath.GetFirstUnmatchedItem( destPath );
		FSPath Path;

		for ( int i = 0; i < destPath.Count(); i++ )
		{
			// get next dir
			Path.PushStr( *destPath.GetItem( i ) );
			
			int ret_err;

			// try to create dir
			if ( i >= DirIndex && fs->MkDir( Path, 0777, &ret_err, Info() ) )
			{
				// skip "already exists" error
				if ( !fs->IsEEXIST( ret_err ) )
				{
					throw_msg( "%s", fs->StrError( ret_err ).GetUtf8() );
				}
			}
		}
	}
	else
	{
		int ret_err;

		if ( fs->MkDir( destPath, 0777, &ret_err, Info() ) )
		{
			throw_msg( "%s", fs->StrError( ret_err ).GetUtf8() );
		}
	}
}

clPtr<FS> clArchPlugin::OpenFS( clPtr<FS> Fs, FSPath& Path ) const
{
	FSString Uri = Fs->Uri( Path );

	struct archive* Arch = ArchOpen( Uri.GetUtf8() );

	if ( Arch == nullptr )
	{
		return nullptr;
	}

	FSArchNode RootDir;
	RootDir.fsStat.mode = S_IFDIR;

	FSPath NodePath;
	struct archive_entry* entry = archive_entry_new2( Arch );

	int Res;

	while ( ( Res = archive_read_next_header2( Arch, entry ) ) == ARCHIVE_OK )
	{
		NodePath.Set( CS_UTF8, archive_entry_pathname( entry ) );

		FSString* ItemName = NodePath.GetItem( NodePath.Count() - 1 );

		if ( NodePath.Count() == 1 && ( ItemName->IsDot() || ItemName->IsEmpty() ) )
		{
			// skip root dir
			continue;
		}

		const mode_t Mode = archive_entry_mode( entry );
		const int64_t Size = archive_entry_size( entry );
		RootDir.entryOffset += Size;

		FSStat ItemStat;
		ItemStat.mode = S_ISREG( Mode ) ? Mode : S_IFDIR;
		ItemStat.size = Size;
		ItemStat.m_CreationTime = archive_entry_ctime( entry );
		ItemStat.m_LastAccessTime = archive_entry_atime( entry );
		ItemStat.m_LastWriteTime = archive_entry_mtime( entry );
		ItemStat.m_ChangeTime = ItemStat.m_LastWriteTime;

		FSArchNode* Dir = ArchGetParentDir( &RootDir, NodePath, ItemStat );
		FSArchNode* Item = Dir->Add( FSArchNode( ItemName->GetUtf8(), ItemStat ) );
		if (Item) {
			Item->entryOffset = archive_read_header_position( Arch );
		}
	}

	if ( Res != ARCHIVE_EOF )
	{
		dbg_printf( "Couldn't read archive entry: %s\n", archive_error_string( Arch ) );
	}

	archive_entry_free( entry );
	ArchClose( Arch );

	return new FSArch( RootDir, Uri );
}

int FSTmp::MkDir(FSPath& path, int mode, int* err, FSCInfo* info)
{
	FSPath parentPath;
	parentPath.Copy(path, path.Count() - 1);
	FSTmpNode* parent = rootDir.findByFsPath(&parentPath);
	if (!parent)
		return SetError(err, FSTMP_ERROR_FILE_NOT_FOUND);
	FSTmpNode* parentDir = parent;
	FSTmpNode fsTmpNode(path.GetItem(path.Count() - 1)->GetUnicode(), parentDir);
	parentDir->Add(&fsTmpNode);
	return SetError(err, 0);
}

static void stripPathFromLastItem(FSPath& path)
{
	FSString* lastItem = path.GetItem(path.Count() - 1);
	if (lastItem)
	{
		const unicode_t* lastU = lastItem->GetUnicode();
		const unicode_t* lastDelim = unicode_strrchr(lastU, DIR_SPLITTER);
		if (lastDelim != 0)
		{
			path.SetItemStr(path.Count() - 1,FSString(lastDelim + 1));
		}
	}
}

int FSTmp::RmDir(FSPath& path, int* err, FSCInfo* info)
{
	FSTmpNode* n = rootDir.findByFsPath(&path);
	FSString* dirName = path.GetItem(path.Count() - 1);

	for (auto it = n->parentDir->content.begin(); it != n->parentDir->content.end(); ++it)
	{
		if ((*it).name.Cmp(*dirName) == 0)
		{
			n->parentDir->content.erase(it);
			return FS::SetError(err, 0);
		}
	}
	return FS::SetError(err, FSTMP_ERROR_FILE_NOT_FOUND);
}

int FSTmp::Rename(FSPath&  oldpath, FSPath& newpath, int* err, FSCInfo* info)
{
	FSTmpNode* n = rootDir.findByName(oldpath.GetItem(oldpath.Count() - 1));
	if (n == 0)
	{
		return FS::SetError(err, FSTMP_ERROR_FILE_NOT_FOUND);
	}
	else
	{
		if (n->nodeType == FSTmpNode::NODE_FILE)
		{
			int ret = baseFS->Rename(n->baseFSPath, newpath, err, info);
			if (ret != 0)
				return ret;
			n->name = newpath.GetUnicode();
			return SetError(err, 0);
		}
		else
		{// XXX ??? add case when new and old path are in different dirs
			((FSTmpNode*)(n))->name = *newpath.GetItem(newpath.Count() - 1);
			return SetError(err, 0);
		}
	}
}

int FSTmp::SetFileTime(FSPath& path, FSTime cTime, FSTime aTime, FSTime mTime, int* err, FSCInfo* info)
{
	FSTmpNode* fsTemp = rootDir.findByName(path.GetItem(path.Count() - 1));
	if (fsTemp == 0)
	{
		return FS::SetError(err, FSTMP_ERROR_FILE_NOT_FOUND);
	}
	else
	{
		fsTemp->fsStat.m_CreationTime = cTime;
		fsTemp->fsStat.m_LastAccessTime = aTime;
		fsTemp->fsStat.m_LastWriteTime = mTime;
		fsTemp->fsStat.m_ChangeTime = mTime;

		if (fsTemp->nodeType == FSTmpNode::NODE_FILE)
			return baseFS->SetFileTime(fsTemp->baseFSPath, cTime, aTime, mTime, err, info);
		else
			return FS::SetError(err, 0);
			
	}
}

clPtr<FS> ParzeURI( const unicode_t* uri, FSPath& path, clPtr<FS>* checkFS, int count )
{

#ifdef LIBSMBCLIENT_EXIST

	if ( uri[0] == 's' && uri[1] == 'm' && uri[2] == 'b' && uri[3] == ':' && uri[4] == '/' && uri[5] == '/' )
	{
		return ParzeSmbURI( uri + 6, path, checkFS, count );
	}

#endif

	if ( uri[0] == 'f' && uri[1] == 't' && uri[2] == 'p' && uri[3] == ':' && uri[4] == '/' && uri[5] == '/' )
	{
		return ParzeFtpURI( uri + 6, path, checkFS, count );
	}

#if defined(LIBSSH_EXIST) || defined(LIBSSH2_EXIST)

	if ( uri[0] == 's' && uri[1] == 'f' && uri[2] == 't' && uri[3] == 'p' && uri[4] == ':' && uri[5] == '/' && uri[6] == '/' )
	{
		return ParzeSftpURI( uri + 7, path, checkFS, count );
	}

#endif

	if ( uri[0] == 'f' && uri[1] == 'i' && uri[2] == 'l' && uri[3] == 'e' && uri[4] == ':' && uri[5] == '/' && uri[6] == '/' )
	{
		uri += 6;   //оставляем 1 символ '/'
	}


#ifdef _WIN32
	int c = uri[0];

	if ( c == '\\' || c == '/' )
	{
		if ( uri[1] == '/' || uri[1] == '\\' )
		{
			FSString link = uri + 1;

			if ( !ParzeLink( path, link ) ) { return clPtr<FS>(); }

			if ( path.Count() == 1 )
			{
				clPtr<FS> netFs = new FSWin32Net( 0 );
				path.Set( CS_UTF8, "/" );
				return netFs;
			}

			if ( path.Count() == 2 )
			{
				static unicode_t aa[] = {'\\', '\\', 0};
				std::vector<wchar_t> name = UnicodeToUtf16( carray_cat<unicode_t>( aa, path.GetItem( 1 )->GetUnicode() ).data() );

				NETRESOURCEW r;
				r.dwScope = RESOURCE_GLOBALNET;
				r.dwType = RESOURCETYPE_ANY;
				r.dwDisplayType = RESOURCEDISPLAYTYPE_GENERIC;
				r.dwUsage = RESOURCEUSAGE_CONTAINER;
				r.lpLocalName = 0;
				r.lpRemoteName = name.data();
				r.lpComment = 0;
				r.lpProvider = 0;

				clPtr<FS> netFs = new FSWin32Net( &r );
				path.Set( CS_UTF8, "/" );
				return netFs;
			}

			return new FSSys( -1 );
		}

		FSString link = uri;

		if ( !ParzeLink( path, link ) ) { return clPtr<FS>(); }

		return ( count > 0 && !checkFS[0].IsNull() ) ? checkFS[0] : clPtr<FS>();
	}

	if ( c >= 'A' && c <= 'Z' ) { c = c - 'A' + 'a'; }

	if ( c < 'a' || c > 'z' || uri[1] != ':' || ( uri[2] != '/' && uri[2] != '\\' ) )
	{
		FSString link = uri;

		if ( !ParzeLink( path, link ) ) { return clPtr<FS>(); }

		return ( count > 0 && !checkFS[0].IsNull() ) ? checkFS[0] : clPtr<FS>();
	}

	FSString link = uri + 2;

	if ( !ParzeLink( path, link ) ) { return clPtr<FS>(); }

	return new FSSys( c - 'a' );
#else
	FSString link = uri;

	if ( !ParzeLink( path, link ) ) { return clPtr<FS>(); }
//.........这里部分代码省略.........