winamp/Src/Plugins/Library/ml_playlists/playlistsXML.cpp

89 lines
2.0 KiB
C++

#include "Main.h"
#include "playlistsXML.h"
#include "../nu/AutoChar.h"
void PlaylistsXML::StartTag(const wchar_t *xmlpath, const wchar_t *xmltag, api_xmlreaderparams *params)
{
const wchar_t *filename = params->getItemValue(L"filename");
const wchar_t *title = params->getItemValue(L"title");
const wchar_t *countString = params->getItemValue(L"songs");
int numItems = 0;
if (countString && *countString)
numItems = _wtoi(countString);
const wchar_t *lengthString = params->getItemValue(L"seconds");
int length = -1000;
if (lengthString && *lengthString)
length = _wtoi(lengthString);
AddPlaylist(title, filename, true, numItems, length);
}
void PlaylistsXML::LoadFile(const wchar_t *filename)
{
if (!parser)
return ; // no sense in continuing if there's no parser available
HANDLE file = CreateFileW(filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, NULL, NULL);
if (file == INVALID_HANDLE_VALUE)
return ;
char data[1024] = {0};
DWORD bytesRead;
while (true)
{
if (ReadFile(file, data, 1024, &bytesRead, NULL) && bytesRead)
{
if (parser->xmlreader_feed(data, bytesRead) != API_XML_SUCCESS)
{
CloseHandle(file);
return;
}
}
else
break;
}
CloseHandle(file);
parser->xmlreader_feed(0, 0);
}
PlaylistsXML::PlaylistsXML(): parser(0), parserFactory(0)
{
parserFactory = WASABI_API_SVC->service_getServiceByGuid(api_xmlGUID);
if (parserFactory)
parser = (api_xml *)parserFactory->getInterface();
if (parser)
{
parser->xmlreader_registerCallback(L"Winamp:Playlists\fplaylist", this);
parser->xmlreader_registerCallback(L"playlists\fplaylist", this);
parser->xmlreader_open();
}
}
PlaylistsXML::~PlaylistsXML()
{
if (parser)
{
parser->xmlreader_unregisterCallback(this);
parser->xmlreader_close();
}
if (parserFactory && parser)
parserFactory->releaseInterface(parser);
parserFactory = 0;
parser = 0;
}
#ifdef CBCLASS
#undef CBCLASS
#endif
#define CBCLASS PlaylistsXML
START_DISPATCH;
VCB(ONSTARTELEMENT, StartTag)
END_DISPATCH;