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());
}
}
public FCsvLine AddHeadLine()
{
FCsvLine line = new FCsvLine(FCsvLineType.Head);
_headLines.Push(line);
return(line);
}
public FCsvLine AddFooterLine()
{
FCsvLine line = new FCsvLine(FCsvLineType.Footer);
_footerLines.Push(line);
return(line);
}
public FCsvLine CreateLine(FCsvLineType type)
{
FCsvLine line = new FCsvLine(type);
line._heads = _heads;
return(line);
}
public void ReadHeads()
{
FCsvLine line = ReadLine();
if (line != null)
{
line._type = FCsvLineType.Head;
_headLines.Push(line);
_logger.Debug(this, "ReadHeads", "Read heads {0}", line.Dump());
}
}
//============================================================
public void LoadFile(string filename)
{
FCsvReader reader = new FCsvReader(filename);
while (reader.HasNext())
{
FCsvLine line = reader.ReadLine();
line._heads = _heads;
_lines.Push(line);
}
}
public void ReadFooter(FCsvLine line)
{
_stopped = true;
line._type = FCsvLineType.Footer;
_defineCount = RInt.Parse(line.Last);
if (_readedCount != _defineCount)
{
_status = FCsvReadStatus.InvalidCount;
}
_footerLines.Push(line);
_logger.Debug(this, "ReadFooter", "Read footer count={0}/{1}", _readedCount, _defineCount);
}
protected FCsvLine NextLine()
{
if (_reader != null && _reader.HasNext())
{
FCsvLine line = RCsv.ParseLine(_reader, _format);
if (line != null)
{
if (_skipBlank && line.IsEmpty)
{
return(NextLine());
}
line._heads = _heads;
return(line);
}
}
return(null);
}
//============================================================
// <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 void WriteFooter()
{
if (_headLines.IsEmpty())
{
FCsvLine line = new FCsvLine(FCsvLineType.Footer);
int count = _heads.Count;
line.Append(_format.FooterChar);
line.Append(_writedCount.ToString());
WriteLine(line);
}
else
{
foreach (FCsvLine line in _footerLines)
{
WriteLine(line);
}
}
}
public void WriteHeads()
{
if (_headLines.IsEmpty())
{
FCsvLine line = new FCsvLine(FCsvLineType.Head);
int count = _heads.Count;
for (int n = 0; n < count; n++)
{
line[n] = _heads[n].Description;
}
WriteLine(line);
}
else
{
foreach (FCsvLine line in _headLines)
{
WriteLine(line);
}
}
}
public void WriteLine(FCsvLine line)
{
if (line != null)
{
if (_writer == null)
{
throw new FFatalException("Not found opened handle");
}
FString result = new FString();
if (line.Type == FCsvLineType.Data)
{
_writedCount++;
line.ToString(result, _format.Delimiter, _format.DataClose);
}
else
{
line.ToString(result, _format.Delimiter, false);
}
_writer.WriteLine(result.ToString());
}
}
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());
}
}
