Tonido::Util::VirtualFS Class Reference

Treats a Zip File as a simple file system. More...

List of all members.

Public Types
typedef boost::shared_ptr < VirtualFS >	SharedPtr
Public Member Functions
	VirtualFS ()
	Default contructor.
	~VirtualFS ()
	Default Dtor.
void	setArchive (const std::string &aZipFileName)
	Set the archive to use.
const std::string &	getArchive () const
	Get the Archive in use.
void	getArchiveMembers (std::vector< std::string > &a_arcMembers, const std::string &a_filter)
	Get Archive Elements.
void	readFile (const std::string &aFileName, std::ostringstream &a_out, uint32_bt &a_FileDataLen)
	Read a file from the archive.
void	readFileGZ (const std::string &aFileName, std::ostringstream &a_out, uint32_bt &a_FileDataLen)

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Detailed Description

Treats a Zip File as a simple file system.

    VirtualFS archive;

    try
    {
        archive.setArchive("resource.zip");

        std::ostringstream data;
        uint32_bt len = 0;
        archive.readFile("test.css", data, len);
        m_cssData = data.str();    
    }
    catch(Poco::Exception& exc)
    {
                Poco::Logger::get(_LOGSUBSYSTEM_).error(exc.what()); 
    }
    catch(...)
    {
        Poco::Logger::get(_LOGSUBSYSTEM_).error("Unknown Exception loading CSS"); 
    }

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Constructor & Destructor Documentation

Tonido::Util::VirtualFS::VirtualFS

(

)

Default contructor.

Just create object with no data

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Member Function Documentation

void Tonido::Util::VirtualFS::getArchiveMembers	(	std::vector< std::string > &	a_arcMembers,
		const std::string &	a_filter
	)

Get Archive Elements.

Get the member names in archive. If the file is present, then data will be stored in the list. Throws Exception on failure

Parameters:

a_arcMembers - OUTPUT PARAM: members list in the archive

Returns:

: true if the function succeeds, false otherwise

void Tonido::Util::VirtualFS::readFile	(	const std::string &	aFileName,
		std::ostringstream &	a_out,
		uint32_bt &	a_FileDataLen
	)

Read a file from the archive.

Read a file from the archive. If the file is present, then data will be stored in the FileData array and the FileDataLen will be updated to the size of the array Throws Exception on failure

Parameters:

	aFileName - Name of file to read from the archive
	a_out - OUTPUT PARAM: File data returned to user
	a_FileDataLen - OUTPUT PARAM: Length of the File

Returns:

: true if the function succeeds, false otherwise