internal static int GetGeneratedColumnOffset(CodeDomProvider codeDomProvider) {
object o = null;
if (_generatedColumnOffsetDictionary == null) {
_generatedColumnOffsetDictionary = new ListDictionary();
}
else {
o = _generatedColumnOffsetDictionary[codeDomProvider.GetType()];
}
if (o == null) {
CodeCompileUnit ccu = new CodeCompileUnit();
CodeNamespace cnamespace = new CodeNamespace("ASP");
ccu.Namespaces.Add(cnamespace);
CodeTypeDeclaration type = new CodeTypeDeclaration("ColumnOffsetCalculator");
type.IsClass = true;
cnamespace.Types.Add(type);
CodeMemberMethod method = new CodeMemberMethod();
method.ReturnType = new CodeTypeReference(typeof(void));
method.Name = "GenerateMethod";
type.Members.Add(method);
CodeStatement simpleAssignment = new CodeAssignStatement(
new CodeVariableReferenceExpression(BaseTemplateCodeDomTreeGenerator.tempObjectVariable),
new CodeSnippetExpression(_dummyVariable));
method.Statements.Add(simpleAssignment);
StringBuilder sb = new StringBuilder();
StringWriter w = new StringWriter(sb, CultureInfo.InvariantCulture);
codeDomProvider.GenerateCodeFromCompileUnit(ccu, w, null);
StringReader reader = new StringReader(sb.ToString());
String line = null;
int offset = _defaultColumnOffset;
while ((line = reader.ReadLine()) != null) {
int index = 0;
line = line.TrimStart();
if ((index = line.IndexOf(_dummyVariable, StringComparison.Ordinal)) != -1) {
offset = index - BaseTemplateCodeDomTreeGenerator.tempObjectVariable.Length + 1;
}
}
// Save the offset per type.
_generatedColumnOffsetDictionary[codeDomProvider.GetType()] = offset;
return offset;
}
return (int)o;
}