public bool AddColumn(string name, string type, string length)
{
Column col = new Column();
bool b = TypeSetter.FillType(type, col, true);
if (b == false)
{
if (col.tableType)
{
HasTableParam = true;
}
else
{
throw new InvalidDataException("Invalid type of \"" + type + "\"?");
}
}
if (name.Length > 0 && name[0] == '@')
{
name = name.Substring(1);
}
col.name = name;
col.canBeNull = false;
col.nullableType = false;
if (col.hasStrLength)
{
try
{
uint len = uint.Parse(length);
col.length = len;
}
catch (System.Exception)
{
col.length = 0;
}
}
else
{
col.length = 0;
}
for (int i = 0; i < Columns.Count; ++i)
{
if (Columns[i].name.ToLower() == name.ToLower())
{
throw new InvalidDataException(string.Format("Parameter '{0}' is already exists", name));
}
}
Columns.Add(col);
return(true);
}
public bool Parse(string signature, bool noNullableTypes)
{
Columns.Clear();
string signLower = signature.ToLower();
int pos = signLower.IndexOf("proc");
if (pos == -1)
{
return(false);
}
bool PosInSpaceBefProcName = false;
bool PosProcName = false;
string spname = string.Empty;
for (int i = pos; i < signature.Length; ++i)
{
char c = signature[i];
if (PosInSpaceBefProcName == false)
{
if (IsWhitespace(c) == false)
{
continue;
}
else
{
PosInSpaceBefProcName = true;
}
}
else if (PosInSpaceBefProcName && PosProcName == false)
{
if (IsWhitespace(c))
{
continue;
}
else
{
spname += c;
PosProcName = true;
}
}
else if (PosProcName)
{
if (IsWhitespace(c) == false && c != '(')
{
spname += c;
}
else
{
break;
}
}
}
Name = spname;
if (string.IsNullOrEmpty(Name))
{
throw new InvalidDataException("Empty stored procedure name");
}
string sigLow = signature.ToLower();
pos = sigLow.IndexOf("inout ");
if (pos == -1)
{
pos = sigLow.IndexOf("in ");
if (pos == -1)
{
pos = sigLow.IndexOf("out ");
if (pos == -1)
{
pos = sigLow.IndexOf("input ");
if (pos == -1)
{
pos = sigLow.IndexOf("output ");
if (pos == -1)
{
return(true);
}
}
}
}
}
pos -= 1;
// Parsing parameters
while ((pos = FindInOut(sigLow, pos + 1)) != -1)
{
bool ParsingInOut = true;
bool ParsingInOutEnded = false;
bool ParsingName = false;
bool ParsingNameEnded = false;
bool ParsingType = false;
bool ParsingTypeEnded = false;
bool ParsingLength = false;
Column col = new Column();
string name = string.Empty;
string type = string.Empty;
string output = string.Empty;
string slength = string.Empty;
string inout = string.Empty;
for (int i = pos; i < signature.Length; ++i)
{
char c = signature[i];
if (ParsingInOut && ParsingInOutEnded == false)
{
if (c == ',')
{
continue;
}
if (IsWhitespace(c) == false)
{
inout += c;
}
else
{
ParsingInOutEnded = true;
bool b = TypeSetter.FillMySQLOutputType(inout, col);
if (b == false)
{
throw new InvalidDataException("Invalid output type of \"" + inout + "\"?");
}
}
}
else if (ParsingInOutEnded && ParsingName == false)
{
if (IsWhitespace(c) == false)
{
ParsingName = true;
name += c;
}
else
{
continue;
}
}
else if (ParsingName && ParsingNameEnded == false)
{
if (c == ',')
{
continue;
}
if (IsWhitespace(c) == false)
{
name += c;
}
else
{
ParsingNameEnded = true;
}
}
else if (ParsingNameEnded && ParsingType == false)
{
if (IsWhitespace(c) == false)
{
ParsingType = true;
type += c;
}
else
{
continue;
}
}
else if (ParsingType && ParsingTypeEnded == false)
{
if (IsWhitespace(c) == false && c != ',' && c != '(' && c != ')')
{
type += c;
}
else
{
ParsingTypeEnded = true;
if (c == ')' || i == signature.Length - 1) // signature ended
{
bool b = TypeSetter.FillType(type, col, noNullableTypes);
if (b == false)
{
if (col.tableType)
{
HasTableParam = true;
}
else
{
throw new InvalidDataException("Invalid type of \"" + type + "\"?");
}
}
col.name = name;
Columns.Add(col);
pos = i;
break;
}
}
if (c == ',' || c == ')' || i == signature.Length - 1) // ) means last parameter
{
bool b = TypeSetter.FillType(type, col, noNullableTypes);
if (b == false)
{
if (col.tableType)
{
HasTableParam = true;
}
else
{
throw new InvalidDataException("Invalid type of \"" + type + "\"?");
}
}
col.name = name;
Columns.Add(col);
pos = i;
break;
}
if (c == '(')
{
ParsingLength = true;
}
}
else if (ParsingTypeEnded)
{
if (ParsingLength == false)
{
if (c == '(')
{
ParsingLength = true;
}
else if (c == ',' || c == ')' || i == signature.Length - 1) // no output type specified, so is input only.
{
bool b = TypeSetter.FillType(type, col, noNullableTypes);
if (b == false)
{
if (col.tableType)
{
HasTableParam = true;
}
else
{
throw new InvalidDataException("Invalid type of \"" + type + "\"?");
}
}
col.name = name;
Columns.Add(col);
pos = i;
break;
}
else if (IsWhitespace(c) == false)
{
output += signature[i];
}
else
{
continue;
}
}
else // ParsingLength == true
{
if (c != ')')
{
slength += c;
}
else
{
bool b = TypeSetter.FillType(type, col, noNullableTypes);
if (b == false)
{
if (col.tableType)
{
HasTableParam = true;
}
else
{
throw new InvalidDataException("Invalid type of \"" + type + "\"?");
}
}
try
{
col.length = Convert.ToUInt32(slength);
}
catch (System.Exception)
{
throw new InvalidDataException("Invalid length :" + slength + "!");
}
col.name = name;
Columns.Add(col);
pos = i;
break;
}
}
}
}
}
TableParamNum = 0;
if (HasTableParam)
{
foreach (Column col in Columns)
{
if (col.tableType)
{
++TableParamNum;
}
}
}
return(false);
}
public bool Parse(string signature, bool noNullableTypes)
{
Columns.Clear();
string signLower = signature.ToLower();
int pos = signLower.IndexOf("type");
if (pos == -1)
{
return(false);
}
bool PosInSpaceBefProcName = false;
bool PosProcName = false;
string spname = string.Empty;
for (int i = pos; i < signature.Length; ++i)
{
char c = signature[i];
if (PosInSpaceBefProcName == false)
{
if (IsWhitespace(c) == false)
{
continue;
}
else
{
PosInSpaceBefProcName = true;
}
}
else if (PosInSpaceBefProcName && PosProcName == false)
{
if (IsWhitespace(c))
{
continue;
}
else
{
spname += c;
PosProcName = true;
}
}
else if (PosProcName)
{
if (IsWhitespace(c) == false)
{
spname += c;
}
else
{
break;
}
}
}
Name = spname;
if (string.IsNullOrEmpty(Name))
{
throw new InvalidDataException("Empty table type name");
}
pos = signature.IndexOf("(");
if (pos == -1)
{
return(true); // no parameters for this stored procedure
}
// Parsing parameters
do
{
bool BeforeParsingName = true;
bool ParsingName = false;
bool ParsingNameEnded = false;
bool ParsingType = false;
bool ParsingTypeEnded = false;
bool ParsingOutputType = false;
bool ParsingLength = false;
Column col = new Column();
string name = string.Empty;
string type = string.Empty;
string output = string.Empty;
string slength = string.Empty;
for (int i = pos + 1; i < signature.Length; ++i)
{
char c = signature[i];
if (BeforeParsingName && ParsingName == false)
{
if (IsWhitespace(c))
{
continue;
}
else
{
ParsingName = true;
name += c;
}
}
else if (ParsingName && ParsingNameEnded == false)
{
if (c == ',')
{
continue;
}
if (IsWhitespace(c) == false)
{
name += c;
}
else
{
ParsingNameEnded = true;
}
}
else if (ParsingNameEnded && ParsingType == false)
{
string lowerName = name.ToLower();
if (lowerName == "primary" || lowerName == "constraint")
{
break;
}
name = name.Trim('[', ']');
if (IsWhitespace(c) == false)
{
ParsingType = true;
type += c;
}
else
{
continue;
}
}
else if (ParsingType && ParsingTypeEnded == false)
{
if (IsWhitespace(c) == false && c != ',' && c != '(' && c != ')')
{
type += c;
}
else
{
ParsingTypeEnded = true;
if (c == ')') // signature ended
{
bool b = TypeSetter.FillType(type, col, noNullableTypes);
if (b == false)
{
throw new InvalidDataException("Invalid type of \"" + type + "\"?");
}
col.name = name;
Columns.Add(col);
pos = i;
break;
}
}
if (c == ',' || c == ')') // ) means last parameter
{
bool b = TypeSetter.FillType(type, col, noNullableTypes);
if (b == false)
{
throw new InvalidDataException("Invalid type of \"" + type + "\"?");
}
col.name = name;
Columns.Add(col);
pos = i;
break;
}
if (c == '(')
{
ParsingLength = true;
}
}
else if (ParsingTypeEnded && ParsingOutputType == false)
{
if (ParsingLength == false)
{
if (c == '(')
{
ParsingLength = true;
}
else if (c == ',' || c == ')') // no output type specified, so is input only.
{
bool b = TypeSetter.FillType(type, col, noNullableTypes);
if (b == false)
{
throw new InvalidDataException("Invalid type of \"" + type + "\"?");
}
col.name = name;
Columns.Add(col);
pos = i;
break;
}
else if (IsWhitespace(c) == false)
{
ParsingOutputType = true;
output += signature[i];
}
else
{
continue;
}
}
else // ParsingLength == true
{
if (c != ')')
{
slength += c;
}
else
{
bool b = TypeSetter.FillType(type, col, noNullableTypes);
if (b == false)
{
throw new InvalidDataException("Invalid type of \"" + type + "\"?");
}
TypeSetter.FillNullType(output, col);
try
{
col.length = Convert.ToUInt32(slength);
}
catch (System.Exception)
{
throw new InvalidDataException("Invalid length :" + slength + "!");
}
col.name = name;
Columns.Add(col);
pos = i;
break;
}
}
}
else if (ParsingOutputType)
{
if (IsWhitespace(c) == false && c != ')' && c != ',')
{
output += signature[i];
}
else
{
bool b = TypeSetter.FillType(type, col, noNullableTypes);
if (b == false)
{
throw new InvalidDataException("Invalid type of \"" + type + "\"?");
}
TypeSetter.FillNullType(output, col);
col.name = name;
Columns.Add(col);
pos = i;
break;
}
}
}
}while ((pos = signature.IndexOf(",", pos + 1)) != -1);
return(false);
}