winamp/Src/Plugins/Library/ml_downloads/DownloadThread.cpp

65 lines
1.5 KiB
C++

#include "Main.h"
#pragma warning(disable:4786)
#include "DownloadThread.h"
#include "api__ml_downloads.h"
#include <api/service/waServiceFactory.h>
#include "errors.h"
#include <strsafe.h>
DownloadThread::DownloadThread() : parser( 0 ), parserFactory( 0 )
{
parserFactory = plugin.service->service_getServiceByGuid( obj_xmlGUID );
if ( parserFactory )
parser = (obj_xml *)parserFactory->getInterface();
if ( parser )
{
parser->xmlreader_setCaseSensitive();
parser->xmlreader_registerCallback( L"*", &xmlDOM );
parser->xmlreader_open();
}
}
DownloadThread::~DownloadThread()
{
if ( parser )
{
parser->xmlreader_unregisterCallback( &xmlDOM );
parser->xmlreader_close();
}
if ( parserFactory && parser )
parserFactory->releaseInterface( parser );
parserFactory = 0;
parser = 0;
}
#define FILE_BUFFER_SIZE 32768
void DownloadThread::DownloadFile( const wchar_t *fileName )
{
if ( !parser )
return; // no sense in continuing if there's no parser available
HANDLE file = CreateFile( fileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL );
if ( file == INVALID_HANDLE_VALUE )
return;
while ( true )
{
char data[ FILE_BUFFER_SIZE ] = { 0 };
DWORD bytesRead = 0;
if ( ReadFile( file, data, FILE_BUFFER_SIZE, &bytesRead, NULL ) && bytesRead )
{
parser->xmlreader_feed( (void *)data, bytesRead );
}
else
break;
}
CloseHandle( file );
parser->xmlreader_feed( 0, 0 );
ReadNodes( fileName );
}