| public static ExtractBeginString ( string msgstr ) : string | ||
| msgstr | string | |
| 리턴 | string | |
/// <summary>
/// Constructs a group and stores it in this Message object
/// </summary>
/// <param name="grpNoFld">the group's counter field</param>
/// <param name="msgstr">full message string</param>
/// <param name="pos">starting character position of group</param>
/// <param name="fieldMap">full message as FieldMap</param>
/// <param name="dd">group definition structure from dd</param>
/// <param name="sessionDataDictionary"></param>
/// <param name="appDD"></param>
/// <param name="msgFactory">if null, then this method will use the generic Group class constructor</param>
/// <returns></returns>
protected int SetGroup(
StringField grpNoFld, string msgstr, int pos, FieldMap fieldMap, DataDictionary.IGroupSpec dd,
DataDictionary.DataDictionary sessionDataDictionary, DataDictionary.DataDictionary appDD, IMessageFactory msgFactory)
{
int grpEntryDelimiterTag = dd.Delim;
int grpPos = pos;
Group grp = null; // the group entry being constructed
while (pos < msgstr.Length)
{
grpPos = pos;
StringField f = ExtractField(msgstr, ref pos, sessionDataDictionary, appDD);
if (f.Tag == grpEntryDelimiterTag)
{
// This is the start of a group entry.
if (grp != null)
{
// We were already building an entry, so the delimiter means it's done.
fieldMap.AddGroup(grp, false);
grp = null; // prepare for new Group
}
// Create a new group!
if (msgFactory != null)
{
grp = msgFactory.Create(Message.ExtractBeginString(msgstr), Message.GetMsgType(msgstr), grpNoFld.Tag);
}
//If above failed (shouldn't ever happen), just use a generic Group.
if (grp == null)
{
grp = new Group(grpNoFld.Tag, grpEntryDelimiterTag);
}
}
else if (!dd.IsField(f.Tag))
{
// This field is not in the group, thus the repeating group is done.
if (grp != null)
{
fieldMap.AddGroup(grp, false);
}
return(grpPos);
}
if (grp == null)
{
// This means we got into the group's fields without finding a delimiter tag.
throw new GroupDelimiterTagException(grpNoFld.Tag, grpEntryDelimiterTag);
}
// f is just a field in our group entry. Add it and iterate again.
grp.SetField(f);
if (dd.IsGroup(f.Tag))
{
// f is a counter for a nested group. Recurse!
pos = SetGroup(f, msgstr, pos, grp, dd.GetGroupSpec(f.Tag), sessionDataDictionary, appDD, msgFactory);
}
}
return(grpPos);
}