private static Name TranslateUdtNameV1(string strname)
{
StringBuilder tag = new StringBuilder();
Name result = new Name();
List<TemplateParam> templateParams = null;
int state = 0;
//int param = 0;
//bool unsigned = false;
StringBuilder constTemplParam = null;
int templParamUdtNameLen = 0;
StringBuilder specialName = null;
int i = 0;
for (; i < strname.Length; i++)
{
char ch = strname[i];
switch (state)
{
case 0:
switch (ch)
{
case '@':
if (result.Namespaces == null)
result.Namespaces = new List<Name>();
Name currentName = new Name();
currentName.Tag = tag.ToString();
currentName.TemplateParameters = templateParams;
result.Namespaces.Add(currentName);
tag = new StringBuilder();
templateParams = null;
break;
case '%':
if (tag.Length == 0)
{
templateParams = new List<TemplateParam>();
state = 1;
}
else
{
throw new ApplicationException("Invalid character in state 0:" + ch);
}
break;
case '$':
if (tag.Length == 0)
state = 12; // special name
else
state = 14; // parameters
break;
default:
tag.Append(ch);
break;
}
break;
case 1:
switch (ch)
{
case '$':
state = 2;
break;
default:
tag.Append(ch);
break;
}
break;
case 2:
switch (ch)
{
case 'i':
state = 9;
break;
case 'u':
//unsigned = true;
break;
case 't':
templParamUdtNameLen = 0;
state = 8;
break;
case '%':
state = 0;
break;
default:
throw new ApplicationException("Invalid character while in state 2: " + ch + ", in string: " + strname);
}
break;
case 5: // constant in template
if (char.IsDigit(ch))
{
constTemplParam.Append(ch);
}
else
{
templateParams.Add(new ImmTemplParam(constTemplParam.ToString()));
state = 11;
i--;
}
break;
case 8:
if (char.IsDigit(ch))
{
templParamUdtNameLen *= 10;
templParamUdtNameLen += (int)char.GetNumericValue(ch);
}
else
{
//if (strname.Length < i + templParamUdtNameLen)
// throw new ApplicationException("Invalid type name length: " + templParamUdtNameLen.ToString() + ", exceed name length: " + strname.Length.ToString());
TagTemplParam tagpar = new TagTemplParam();
tagpar.Tag = TranslateUdtNameV1(strname.Substring(i, templParamUdtNameLen));
templateParams.Add(tagpar);
i += templParamUdtNameLen - 1;
state = 11;
}
break;
case 9:
switch (ch)
{
case 'c':
//param = 2;
state = 10;
break;
case 'u':
//unsigned = true;
break;
//default: ;
// throw new ApplicationException("Invalid character while in state 2: " + ch + ", in string: " + strname);
}
break;
case 10:
switch (ch)
{
case '$':
state = 5;
constTemplParam = new StringBuilder();
break;
default:
throw new ApplicationException("Invalid character while in state " + state.ToString() + ": " + ch + ", in string: " + strname);
}
break;
case 11:
switch (ch)
{
case '$':
state = 2;
break;
case '%':
state = 2;
i--;
break;
}
break;
case 12:
if (ch == 'b')
{
state = 13; // special name
specialName = new StringBuilder();
}
else
{
throw new ApplicationException("Invalid character in state 9: " + ch);
}
break;
case 13:
if (ch == '$')
{
result.IsSpecial = true;
result.SpecialName = StrToSpcName(specialName.ToString());
specialName = null;
state = 14;
break;
}
else
{
specialName.Append(ch);
}
break;
case 14:
// ignoring parameters
break;
default:
Debug.Fail("Invalid state: " + state.ToString());
break;
}
}
if (state != 0 && state != 14)
throw new ApplicationException("Unexpected end of name while in state: " + state.ToString());
result.Tag = tag.ToString();
result.TemplateParameters = templateParams;
return result;
}
private static Name TranslateUdtNameV2(string strname)
{
Name result = new Name();
StringBuilder tag = new StringBuilder();
List<TemplateParam> templateParams = null;
int state = 0;
StringBuilder constTemplParam = null;
StringBuilder specialName = null;
TemplateParam templParam = null;
int i = 0;
for (; i < strname.Length; i++)
{
char ch = strname[i];
switch (state)
{
case 0:
switch (ch)
{
case '@':
if (result.Namespaces == null)
result.Namespaces = new List<Name>();
Name currentName = new Name();
currentName.Tag = tag.ToString();
currentName.TemplateParameters = templateParams;
result.Namespaces.Add(currentName);
tag = new StringBuilder();
templateParams = null;
break;
case '%':
templateParams = new List<TemplateParam>();
state = 1;
break;
case '$':
if (tag.Length == 0)
state = 9;
else
state = 11; // parameters
break;
default:
tag.Append(ch);
break;
}
break;
case 1:
switch (ch)
{
case '$':
state = 2;
break;
default:
tag.Append(ch);
break;
}
break;
case 2:
switch (ch)
{
case 't':
state = 12;
break;
case '%':
state = 0;
break;
default:
templParam = ParseParam(strname, ref i);
if (templParam != null)
state = 3;
else
throw new ApplicationException("Invalid character while in state 2: " + ch + ", in string: " + strname);
break;
}
break;
case 3: // template param type grabbed
switch (ch)
{
case '$':
state = 4;
break;
default:
state = 2;
i--;
templateParams.Add(templParam);
break;
}
break;
case 4: // begin constant in template
switch (ch)
{
case 'i': // numeric constant
state = 5;
constTemplParam = new StringBuilder();
break;
case 'e': // reference to static variable
i++;
templateParams.Add(ParseTemplVarRefParam(templParam, strname, ref i));
state = 2;
break;
case 'g':
state = 5;
constTemplParam = new StringBuilder();
break;
default:
throw new ApplicationException("Invalid character while in state 4: " + ch + ", in string: " + strname);
}
break;
case 5: // constant in template
if (ch == '$')
{
templateParams.Add(new ImmTemplParam(constTemplParam.ToString()));
state = 2;
}
else
{
constTemplParam.Append(ch);
}
break;
case 9:
if (ch == 'b')
{
state = 10; // special name
specialName = new StringBuilder();
}
else
{
throw new ApplicationException("Invalid character in state 9: " + ch);
}
break;
case 10:
if (ch == '$')
{
result.IsSpecial = true;
result.SpecialName = StrToSpcName(specialName.ToString());
specialName = null;
state = 11;
break;
}
else
{
specialName.Append(ch);
}
break;
case 11:
// ignoring parameters
break;
case 12:
templateParams.Add(templateParams[(int)char.GetNumericValue(ch) - 1]);
state = 2;
break;
default:
Debug.Fail("Invalid state: " + state.ToString());
break;
}
}
if (state != 0 && state != 11)
throw new ApplicationException("Unexpected end of name while in state: " + state.ToString());
result.Tag = tag.ToString();
result.TemplateParameters = templateParams;
return result;
}
public static Name Parse(string strname)
{
if (strname[0] == '@')
{
strname = strname.Substring(1);
Name result;
try
{
result = TranslateUdtNameV2(strname);
}
catch (Exception exv2)
{
try
{
result = TranslateUdtNameV1(strname);
}
catch (Exception exv1)
{
if (strname.Length >= 253)
{
Console.WriteLine("Warning: Name cannot be parsed: " + strname + " possible reason - incomplete");
Name name = new Name();
name.Tag = strname;
return name;
}
else
{
Console.WriteLine("Warning: Name cannot be parsed: " + strname);
//Console.WriteLine(" Error v2: " + exv2.Message);
//Console.WriteLine(" Error v1: " + exv1.Message);
Name name = new Name();
name.Tag = strname;
return name;
}
}
}
return result;
}
else
{
Name name = new Name();
name.Tag = strname;
return name;
}
}