mirror of
https://github.com/WinampDesktop/winamp.git
synced 2024-12-04 20:51:03 -05:00
107 lines
No EOL
3.2 KiB
C++
107 lines
No EOL
3.2 KiB
C++
#ifndef NULLSOFT_AGAVE_METADATA_IFC_METADATAREADER_H
|
|
#define NULLSOFT_AGAVE_METADATA_IFC_METADATAREADER_H
|
|
|
|
#include <bfc/dispatch.h>
|
|
|
|
class ifc_metadataReader : public Dispatchable
|
|
{
|
|
protected:
|
|
ifc_metadataReader()
|
|
{}
|
|
~ifc_metadataReader()
|
|
{}
|
|
public:
|
|
/* If there are multiple values for the same field, these functions will concatenate the values in some
|
|
manner as defined by the language pack */
|
|
int GetField( const wchar_t *field, wchar_t *destination, size_t destinationCch );
|
|
int GetFieldByKey( uint32_t field_key, wchar_t *destination, size_t destinationCch );
|
|
|
|
int GetIndexedField( const wchar_t *field, uint32_t index, wchar_t *destination, size_t destinationCch );
|
|
int GetIndexedFieldByKey( uint32_t field_key, uint32_t index, wchar_t *destination, size_t destinationCch );
|
|
|
|
class ifc_fieldEnumerator : public Dispatchable
|
|
{
|
|
protected:
|
|
ifc_fieldEnumerator();
|
|
~ifc_fieldEnumerator();
|
|
|
|
public:
|
|
const wchar_t *GetField();
|
|
uint32_t GetKey();
|
|
int Next();
|
|
|
|
DISPATCH_CODES
|
|
{
|
|
DISP_GETFIELD = 0,
|
|
DISP_GETKEY = 1,
|
|
DISP_NEXT = 2,
|
|
};
|
|
|
|
};
|
|
|
|
enum
|
|
{
|
|
ENUMERATORFLAG_MULTIPLE_FIELDS = 0, // if multiple values of the same field are present, return each one
|
|
ENUMERATORFLAG_REMOVE_DUPLICATE_FIELDS = 1, // don't enumerate duplicate fields (with differing values)
|
|
};
|
|
|
|
ifc_fieldEnumerator *GetFieldEnumerator( int flags = ENUMERATORFLAG_MULTIPLE_FIELDS ); // Enumerate fields present in this file
|
|
|
|
DISPATCH_CODES
|
|
{
|
|
DISP_GETFIELD = 0,
|
|
DISP_GETFIELDKEY = 1,
|
|
DISP_GETINDEXEDFIELD = 2,
|
|
DISP_GETINDEXEDFIELDBYKEY = 3,
|
|
DISP_GETFIELDENUMERATOR = 4,
|
|
};
|
|
|
|
enum
|
|
{
|
|
NOT_IMPLEMENTED = -1,
|
|
SUCCESS = 0,
|
|
FAILURE = 1,
|
|
END_OF_ITERATOR = 2,
|
|
};
|
|
};
|
|
|
|
inline int ifc_metadataReader::GetField(const wchar_t *field, wchar_t *destination, size_t destinationCch)
|
|
{
|
|
return _call(DISP_GETFIELD, (int)ifc_metadataReader::NOT_IMPLEMENTED, field, destination, destinationCch);
|
|
}
|
|
|
|
inline int ifc_metadataReader::GetFieldByKey(uint32_t field_key, wchar_t *destination, size_t destinationCch)
|
|
{
|
|
return _call(DISP_GETFIELDKEY, (int)ifc_metadataReader::NOT_IMPLEMENTED, field_key, destination, destinationCch);
|
|
}
|
|
|
|
inline int ifc_metadataReader::GetIndexedField(const wchar_t *field, uint32_t index, wchar_t *destination, size_t destinationCch)
|
|
{
|
|
return _call(DISP_GETINDEXEDFIELD, (int)ifc_metadataReader::NOT_IMPLEMENTED, field, index, destination, destinationCch);
|
|
}
|
|
|
|
inline int ifc_metadataReader::GetIndexedFieldByKey(uint32_t field_key, uint32_t index, wchar_t *destination, size_t destinationCch)
|
|
{
|
|
return _call(DISP_GETINDEXEDFIELDBYKEY, (int)ifc_metadataReader::NOT_IMPLEMENTED, field_key, index, destination, destinationCch);
|
|
}
|
|
|
|
inline ifc_metadataReader::ifc_fieldEnumerator *ifc_metadataReader::GetFieldEnumerator(int flags)
|
|
{
|
|
return _call(DISP_GETFIELDENUMERATOR, (ifc_metadataReader::ifc_fieldEnumerator *)0, flags);
|
|
}
|
|
|
|
inline const wchar_t *ifc_metadataReader::ifc_fieldEnumerator::GetField()
|
|
{
|
|
return _call(DISP_NEXT, (const wchar_t *)0);
|
|
}
|
|
|
|
inline uint32_t ifc_metadataReader::ifc_fieldEnumerator::GetKey()
|
|
{
|
|
return _call(DISP_NEXT, (int)ifc_metadataReader::NOT_IMPLEMENTED);
|
|
}
|
|
|
|
inline int ifc_metadataReader::ifc_fieldEnumerator::Next()
|
|
{
|
|
return _call(DISP_NEXT, (int)END_OF_ITERATOR);
|
|
}
|
|
#endif |