private static List<string> SplitGroupPath(string strSpec, string strSep,
CsvOptions opt)
{
List<string> l = new List<string>();
if(string.IsNullOrEmpty(strSep)) l.Add(strSpec);
else
{
string[] vChain = strSpec.Split(new string[1] { strSep },
StringSplitOptions.RemoveEmptyEntries);
for(int i = 0; i < vChain.Length; ++i)
{
string strGrp = vChain[i];
if(opt.TrimFields) strGrp = strGrp.Trim();
if(strGrp.Length > 0) l.Add(strGrp);
}
if(l.Count == 0) l.Add(strSpec);
}
return l;
}
private CsvOptions GetCsvOptions()
{
CsvOptions opt = new CsvOptions();
opt.FieldSeparator = GetCharFromDef(m_cmbFieldSep.Text);
opt.RecordSeparator = GetCharFromDef(m_cmbRecSep.Text);
opt.TextQualifier = GetCharFromDef(m_cmbTextQual.Text);
if((opt.FieldSeparator == char.MinValue) || (opt.RecordSeparator == char.MinValue) ||
(opt.TextQualifier == char.MinValue))
return null;
opt.BackslashIsEscape = m_cbBackEscape.Checked;
opt.TrimFields = m_cbTrim.Checked;
return opt;
}
private static PwGroup FindCreateGroup(string strSpec, PwGroup pgStorage,
Dictionary<string, PwGroup> dRootGroups, string strSep, CsvOptions opt,
bool bMergeGroups)
{
List<string> l = SplitGroupPath(strSpec, strSep, opt);
if(bMergeGroups)
{
char chSep = StrUtil.GetUnusedChar(strSpec);
string strPath = AssembleGroupPath(l, 0, chSep);
return pgStorage.FindCreateSubTree(strPath, new char[1] { chSep });
}
string strRootSub = l[0];
if(!dRootGroups.ContainsKey(strRootSub))
{
PwGroup pgNew = new PwGroup(true, true);
pgNew.Name = strRootSub;
pgStorage.AddGroup(pgNew, true);
dRootGroups[strRootSub] = pgNew;
}
PwGroup pg = dRootGroups[strRootSub];
if(l.Count > 1)
{
char chSep = StrUtil.GetUnusedChar(strSpec);
string strSubPath = AssembleGroupPath(l, 1, chSep);
pg = pg.FindCreateSubTree(strSubPath, new char[1] { chSep });
}
return pg;
}
private void Init(string strData, CsvOptions opt)
{
if(strData == null) throw new ArgumentNullException("strData");
m_opt = (opt ?? new CsvOptions());
string strInput = strData;
// Normalize to Unix "\n" right now; the new lines are
// converted back in the <c>AddField</c> method
strInput = StrUtil.NormalizeNewLines(strInput, false);
strInput = strInput.Trim(new char[] { (char)0 });
m_sChars = new CharStream(strInput);
}
public CsvStreamReaderEx(string strData, CsvOptions opt)
{
Init(strData, opt);
}
private static PwGroup FindCreateGroup(string strSpec, PwGroup pgStorage,
Dictionary<string, PwGroup> dRootGroups, string strSep, CsvOptions opt)
{
List<string> l = new List<string>();
if(string.IsNullOrEmpty(strSep)) l.Add(strSpec);
else
{
string[] vChain = strSpec.Split(new string[1] { strSep },
StringSplitOptions.RemoveEmptyEntries);
for(int i = 0; i < vChain.Length; ++i)
{
string strGrp = vChain[i];
if(opt.TrimFields) strGrp = strGrp.Trim();
if(strGrp.Length > 0) l.Add(strGrp);
}
if(l.Count == 0) l.Add(strSpec);
}
string strRootSub = l[0];
if(!dRootGroups.ContainsKey(strRootSub))
{
PwGroup pgNew = new PwGroup(true, true);
pgNew.Name = strRootSub;
pgStorage.AddGroup(pgNew, true);
dRootGroups[strRootSub] = pgNew;
}
PwGroup pg = dRootGroups[strRootSub];
if(l.Count > 1)
{
char chSep = StrUtil.GetUnusedChar(strSpec);
StringBuilder sb = new StringBuilder();
for(int i = 1; i < l.Count; ++i)
{
if(i > 1) sb.Append(chSep);
sb.Append(l[i]);
}
pg = pg.FindCreateSubTree(sb.ToString(), new char[1]{ chSep });
}
return pg;
}
public CsvStreamReaderEx(string strData, CsvOptions opt)
{
Init(strData, opt);
}
