public static void ParseLineWithoutClose(FCsvLine line, FCharReader reader, FCsvFormat format)
{
char delimiter = format.Delimiter;
FString value = new FString();
while (reader.HasNext())
{
// Read
char ch = reader.Read();
// Check
if (ch == '\n')
{
line.Append(value.Flush());
break;
}
else if (ch == delimiter)
{
line.Append(value.Flush());
continue;
}
value.Append(ch);
}
if (!value.IsEmpty)
{
line.Append(value.Flush());
}
}
//============================================================
// <T>解析CSV文件行。</T>
//
// @param reader 读取器
// @param format 格式器
// @return 行对象
//============================================================
public static FCsvLine ParseLine(FCharReader reader, FCsvFormat format)
{
FCsvLine line = null;
if (reader.HasNext())
{
line = new FCsvLine();
if (format.DataClose)
{
ParseLineWithClose(line, reader, format);
}
else
{
ParseLineWithoutClose(line, reader, format);
}
}
return(line);
}
public bool Open(string filename)
{
if (!File.Exists(filename))
{
throw new FFatalException("File is not exists (filename={0})", filename);
}
_lineFormat = false;
_lineValidator = false;
_filename = filename;
StreamReader reader = null;
if (_encoding != null)
{
reader = new StreamReader(new FileStream(filename, FileMode.Open), _encoding);
}
else
{
reader = new StreamReader(new FileStream(filename, FileMode.Open));
}
_reader = new FCharReader(reader, 16);
if (_format != null)
{
if (_format.Header)
{
ReadHeads();
}
}
_stopped = false;
_readedCount = 0;
if (_heads != null)
{
_lineFormat = _heads.HasValidator(ECsvWorkType.Read);
_lineValidator = _heads.HasValidator(ECsvWorkType.Read);
}
return(_reader.HasNext());
}
public static void ParseLineWithClose(FCsvLine line, FCharReader reader, FCsvFormat format)
{
char delimiter = format.Delimiter;
bool inComment = false;
FString value = new FString();
while (reader.HasNext())
{
// Read
char ch = reader.Read();
// Check
if (inComment)
{
if (ch == '"')
{
char nch = reader.Get(1);
if (nch == '"')
{
value.Append(ch);
reader.Skip(1);
continue;
}
if (nch == '\n')
{
line.Append(value.Flush());
reader.Skip(1);
break;
}
if (nch == delimiter)
{
reader.Skip(1);
}
inComment = false;
line.Append(value.Flush());
continue;
}
}
else
{
if (ch == '\n')
{
line.Append(value.Flush());
break;
}
else if (ch == '"')
{
inComment = true;
continue;
}
else if (ch == delimiter)
{
line.Append(value.Flush());
continue;
}
}
value.Append(ch);
}
if (!value.IsEmpty)
{
line.Append(value.Flush());
}
}