/// <summary>
/// 异步加载词典
/// </summary>
/// <returns>List<dictlist>（词典类）</returns>
public async Task <List <dictlist> > loaddictasync()
{
List <dictlist> dicts = new List <dictlist>();
FileOpenPicker fop = new FileOpenPicker();
fop.FileTypeFilter.Add(".csv");
StorageFile sf = await fop.PickSingleFileAsync();
dictlist dictlist = new dictlist();
parse_bytes parse_bytes = new parse_bytes();
if (sf != null)
{
//如果非空，则开始组合词典
if (sf.FileType == ".csv")
{
IBuffer buffer = await FileIO.ReadBufferAsync(sf);
using (DataReader dataReader = DataReader.FromBuffer(buffer))
{
byte[] csvsrc = new byte[dataReader.UnconsumedBufferLength];
dataReader.ReadBytes(csvsrc);
string encoding = parse_bytes.DetectUnicode(csvsrc);
string csv = parse_bytes.byte2str(csvsrc, encoding);
dicts = dictlist.parse_csvdict(csv);
}
}
return(dicts);
}
else
{
//否则返回空值
return(null);
}
}
/// <summary>
/// 打开 .ks 文件
/// </summary>
/// <returns>string files.filename（文件名）、byte[] files.srcode（文件的二进制内容）</returns>
public async Task <files> load_ksasync()
{
// 打开文件
FileOpenPicker fop = new FileOpenPicker();
fop.FileTypeFilter.Add(".ks");
fop.FileTypeFilter.Add(".txt");
StorageFile sf = await fop.PickSingleFileAsync();
byte[] src;
files files;
string filename;
if (sf != null)
{
//把文件转换为 ibuffer
IBuffer buffer = await FileIO.ReadBufferAsync(sf);
parse_bytes parse_bytes = new parse_bytes();
//以二进制方式读取文件
using (DataReader datareader = DataReader.FromBuffer(buffer))
{
//DataReader datareader = DataReader.FromBuffer(buffer);
src = new byte[datareader.UnconsumedBufferLength];
datareader.ReadBytes(src);
}
filename = sf.Name;
}
else
{
//由于直接返回 null 会导致 System.NullReferenceException，所以随便返回一个
src = Encoding.ASCII.GetBytes("error");
filename = "empty";
}
files.filename = filename;
files.srcode = src;
return(files);
}