file_info_filter_impl

#include <metadb.h>

Inheritance diagram for file_info_filter_impl:

Public Member Functions
	file_info_filter_impl (const pfc::list_base_const_t< metadb_handle_ptr > &p_list, const pfc::list_base_const_t< const file_info * > &p_new_info)
bool	apply_filter (metadb_handle_ptr p_location, t_filestats p_stats, file_info &p_info)
Public Member Functions inherited from file_info_filter
	FB2K_MAKE_SERVICE_INTERFACE (file_info_filter, service_base)
Public Member Functions inherited from service_base
template<typename outPtr_t >
bool	cast (outPtr_t &outPtr)
virtual int	service_add_ref ()=0 throw ()
virtual bool	service_query (service_ptr_t< service_base > &p_out, const GUID &p_guid)
template<class T >
bool	service_query_t (service_ptr_t< T > &p_out)
virtual int	service_release ()=0 throw ()

Private Attributes
metadb_handle_list	m_handles
pfc::array_t< file_info_impl >	m_infos

Additional Inherited Members
Public Types inherited from service_base
typedef service_base	t_interface
Protected Member Functions inherited from service_base
	service_base ()
	~service_base ()

Detailed Description

Helper implementation of file_info_filter_impl.

Definition at line 293 of file metadb.h.

Constructor & Destructor Documentation

file_info_filter_impl::file_info_filter_impl ( const pfc::list_base_const_t< metadb_handle_ptr > &  p_list, const pfc::list_base_const_t< const file_info * > &  p_new_info  )

inline

Definition at line 295 of file metadb.h.

                                                                                                                                            {
        FB2K_DYNAMIC_ASSERT(p_list.get_count() == p_new_info.get_count());
        pfc::array_t<t_size> order;
        order.set_size(p_list.get_count());
        order_helper::g_fill(order.get_ptr(),order.get_size());
        p_list.sort_get_permutation_t(pfc::compare_t<metadb_handle_ptr,metadb_handle_ptr>,order.get_ptr());
        m_handles.set_count(order.get_size());
        m_infos.set_size(order.get_size());
        for(t_size n = 0; n < order.get_size(); n++) {
            m_handles[n] = p_list[order[n]];
            m_infos[n] = *p_new_info[order[n]];
        }
    }

Member Function Documentation

bool file_info_filter_impl::apply_filter ( metadb_handle_ptr  p_location, t_filestats  p_stats, file_info &  p_info  )

inlinevirtual

Alters specified file_info entry; called as a part of tag update process. Specified file_info has been read from a file, and will be written back.
WARNING: This will be typically called from another thread than main app thread (precisely, from thread created by tag updater). You should copy all relevant data to members of your file_info_filter instance in constructor and reference only member data in apply_filter() implementation.

Returns

True when you have altered file_info and changes need to be written back to the file; false if no changes have been made.

Implements file_info_filter.

Definition at line 309 of file metadb.h.

                                                                                           {
        t_size index;
        if (m_handles.bsearch_t(pfc::compare_t<metadb_handle_ptr,metadb_handle_ptr>,p_location,index)) {
            p_info = m_infos[index];
            return true;
        } else {
            return false;
        }
    }

Field Documentation

metadb_handle_list file_info_filter_impl::m_handles

private

Definition at line 319 of file metadb.h.

pfc::array_t<file_info_impl> file_info_filter_impl::m_infos

private

Definition at line 320 of file metadb.h.

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The documentation for this class was generated from the following file:

• foobar2000/SDK/metadb.h