public VariableToken(ref string s, ExpressionData parent)
{
Match m = VARIABLE_REGEX.Match(s.Substring(1));
if (m.Success)
{
s = s.Substring(m.Index + m.Length + 1);
Variable = m.Captures[0].Value;
Namespace = "";
}
else
{
m = new Regex("\\[(?<namespace>\\w+)::(?<variable>\\w+)\\]").Match(s.Substring(1));
if (m.Success)
{
Variable = m.Groups[2].Value;
Namespace = m.Groups[1].Value;
s = s.Substring(m.Index + m.Length + 1);
}
else
{
SourceWriter.Help(null, "Unable to parse variable '" + s + "'");
}
}
}
public static string LookupSsisTypeSqlName(string ssistype, string length, int precision, int scale)
{
// Skip Data Transformation Underscore
if (ssistype.StartsWith("DT_"))
{
ssistype = ssistype.Substring(3);
}
ssistype = ssistype.ToLower();
// Okay, let's check real stuff
if (ssistype == "i2")
{
return("smallint");
}
else if (ssistype == "i4")
{
return("int");
}
else if (ssistype == "i8")
{
return("bigint");
}
else if (ssistype == "str")
{
return(String.Format("varchar({0})", length == null ? "max" : length));
}
else if (ssistype == "wstr")
{
return(String.Format("nvarchar({0})", length == null ? "max" : length));
}
else if (ssistype == "dbtimestamp")
{
return("datetime");
}
else if (ssistype == "r4")
{
return("real");
}
else if (ssistype == "r8")
{
return("float");
// Currency
}
else if (ssistype == "cy")
{
return("money");
}
else if (ssistype == "numeric")
{
return(String.Format("decimal({0},{1})", precision, scale));
}
else
{
SourceWriter.Help(null, "I don't yet understand the SSIS type named " + ssistype);
}
return(null);
}
public static void EmitScriptProject(SsisObject o, string indent)
{
// Find the script object child
var script = o.GetChildByType("DTS:ObjectData").GetChildByType("ScriptProject");
// Create a folder for this script
string project_folder = Path.Combine(AppFolder, o.GetFolderName());
Directory.CreateDirectory(project_folder);
// Extract all the individual script files in this script
foreach (SsisObject child in script.Children)
{
string fn = project_folder + child.Attributes["Name"];
string dir = Path.GetDirectoryName(fn);
Directory.CreateDirectory(dir);
if (child.DtsObjectType == "BinaryItem")
{
byte[] contents = System.Convert.FromBase64String(child.ContentValue);
File.WriteAllBytes(fn, contents);
}
else if (child.DtsObjectType == "ProjectItem")
{
File.WriteAllText(fn, child.ContentValue);
}
// Handle DLL files specially - they are binary! Oh yeah base64 encoded
if (fn.EndsWith(".dll"))
{
DllFiles.Add(fn);
// Note this as a potential problem
SourceWriter.Help(o, "The Visual Basic project " + child.Attributes["Name"] + " was embedded in the DTSX project. Visual Basic code cannot be automatically converted.");
// Show the user that this is how the script should be executed, if they want to fix it
SourceWriter.WriteLine(@"{0}//{1}.ScriptMain sm = new {1}.ScriptMain();", indent, Path.GetFileNameWithoutExtension(fn).Replace("scripttask", "ScriptTask"));
SourceWriter.WriteLine(@"{0}//sm.Main();", indent);
// Is this a project file?
}
else if (fn.EndsWith(".vbproj") || fn.EndsWith(".csproj"))
{
ProjectFiles.Add(fn);
}
else
{
AllFiles.Add(fn);
}
}
}
public ConversionToken(ref string s, ExpressionData parent)
{
Match m = CONVERT_REGEX.Match(s);
if (m.Success)
{
s = s.Substring(m.Index + m.Length);
TypeRef = ColumnVariable.LookupSsisTypeName(m.Groups[1].Value);
TokenToConvert = parent.ConsumeToken(ref s);
}
else
{
SourceWriter.Help(null, "Unable to parse conversion token " + s);
}
}
public static string LookupSsisTypeName(string p)
{
// Skip Data Transformation Underscore
if (p.StartsWith("DT_"))
{
p = p.Substring(3);
}
p = p.ToLower();
// Okay, let's check real stuff
if (p == "i2")
{
return("System.Int16");
}
else if (p == "i4")
{
return("System.Int32");
}
else if (p == "i8")
{
return("System.Int64");
}
else if (p == "str" || p == "wstr")
{
return("System.String");
}
else if (p == "dbtimestamp")
{
return("System.DateTime");
}
else if (p == "r4" || p == "r8")
{
return("double");
// Currency & numerics both become decimals
}
else if (p == "cy" || p == "numeric")
{
return("System.Decimal");
}
else
{
SourceWriter.Help(null, "I don't yet understand the SSIS type named " + p);
}
return(null);
}
public LineageToken(ref string s, ExpressionData parent)
{
Match m = LINEAGE_REGEX.Match(s);
if (m.Success)
{
var li = (from LineageObject l in parent.Lineage where l.LineageId == m.Groups[1].Value select l).FirstOrDefault();
if (li != null)
{
s = s.Substring(m.Index + m.Length);
LineageRef = li;
}
else
{
SourceWriter.Help(null, "Unable to find lineage reference #" + s);
}
}
}
/// <summary>
/// Get the connection string name when given a GUID
/// </summary>
/// <param name="conn_guid_str"></param>
/// <returns></returns>
public static string GetConnectionStringPrefix(string conn_guid_str)
{
SsisObject connobj = SsisObject.GetObjectByGuid(Guid.Parse(conn_guid_str));
if (connobj == null)
{
return("Sql");
}
string objecttype = connobj.Properties["CreationName"];
if (objecttype.StartsWith("OLEDB"))
{
return("OleDb");
}
else if (objecttype.StartsWith("ADO.NET:System.Data.SqlClient.SqlConnection"))
{
return("Sql");
}
else
{
SourceWriter.Help(null, "I don't understand the database connection type " + objecttype);
}
return("");
}
public ProgramVariable(SsisObject o, bool as_global)
{
// Figure out what type of a variable we are
DtsType = o.GetChildByType("DTS:VariableValue").Attributes["DTS:DataType"];
CSharpType = null;
DefaultValue = o.GetChildByType("DTS:VariableValue").ContentValue;
Comment = o.Description;
Namespace = o.Properties["Namespace"];
IsGlobal = as_global;
VariableName = o.DtsObjectName;
// Here are the DTS type codes I know
if (DtsType == "3")
{
CSharpType = "int";
}
else if (DtsType == "8")
{
CSharpType = "string";
if (!String.IsNullOrEmpty(DefaultValue))
{
DefaultValue = "\"" + DefaultValue.Replace("\\", "\\\\").Replace("\"", "\\\"") + "\"";
}
}
else if (DtsType == "13")
{
CSharpType = "DataTable";
DefaultValue = "new DataTable()";
}
else if (DtsType == "2")
{
CSharpType = "short";
}
else if (DtsType == "11")
{
CSharpType = "bool";
if (DefaultValue == "1")
{
DefaultValue = "true";
}
else
{
DefaultValue = "false";
}
}
else if (DtsType == "20")
{
CSharpType = "long";
}
else if (DtsType == "7")
{
CSharpType = "DateTime";
if (!String.IsNullOrEmpty(DefaultValue))
{
DefaultValue = "DateTime.Parse(\"" + DefaultValue + "\")";
}
}
else
{
SourceWriter.Help(o, "I don't understand DTS type " + DtsType);
}
}
public Token ConsumeToken(ref string s)
{
// Get the first character
char c = s[0];
// Is it whitespace? Just consume this character and move on
if (c == ' ' || c == '\r' || c == '\n' || c == '\t')
{
s = s.Substring(1);
return(null);
// Is this a lineage column reference?
}
else if (c == '#')
{
return(new LineageToken(ref s, this));
// Is this a global variable reference?
}
else if (c == '@')
{
return(new VariableToken(ref s, this));
// Is this a type conversion? If so, we need one more token
}
else if (c == '(')
{
return(new ConversionToken(ref s, this));
// Is this a math operation?
}
else if (c == '+' || c == '-' || c == '*' || c == '/')
{
s = s.Substring(1);
return(new OperationToken()
{
Op = c.ToString()
});
// Check for solo negation or not-equals
}
else if (c == '!')
{
if (s[1] == '=')
{
s = s.Substring(2);
return(new OperationToken()
{
Op = "!="
});
}
s = s.Substring(1);
return(new OperationToken()
{
Op = "!"
});
// This could be either assignment or equality
}
else if (c == '=')
{
if (s[1] == '=')
{
s = s.Substring(2);
return(new OperationToken()
{
Op = "=="
});
}
s = s.Substring(1);
return(new OperationToken()
{
Op = "="
});
// Is this a string constant?
}
else if (c == '"')
{
Match m = STRING_REGEX.Match(s);
if (m.Success)
{
s = s.Substring(m.Index + m.Length);
return(new ConstantToken()
{
Value = m.Captures[0].Value, TypeRef = "System.String"
});
}
// Is this a numeric constant?
}
else if (c >= '0' && c <= '9')
{
Match m = NUMBER_REGEX.Match(s);
if (m.Success)
{
s = s.Substring(m.Index + m.Length);
return(new ConstantToken()
{
Value = m.Captures[0].Value, TypeRef = "System.Int32"
});
}
// Is this boolean true or false?
}
else if (s.StartsWith("true", StringComparison.CurrentCultureIgnoreCase))
{
s = s.Substring(4);
return(new ConstantToken()
{
Value = "true", TypeRef = "System.Boolean"
});
}
else if (s.StartsWith("false", StringComparison.CurrentCultureIgnoreCase))
{
s = s.Substring(5);
return(new ConstantToken()
{
Value = "false", TypeRef = "System.Boolean"
});
}
// Did we fail to process this token? Fail out
SourceWriter.Help(null, "Unable to parse expression '" + _expression + "'");
s = "";
return(null);
}
