private void ParseStartElements(XmlTextReader reader, Dictionary<string, ClassInfo> table, ParentInfo parent, XmlNamespaceManager nps, string className)
{
if (stack.Count != 0)
{
////Get the parent
parent = stack.Peek();
////Get the child element from inside the parent
if (parent.ChildCount.ContainsKey(className))
{
////increment the Occurrence of the child element inside the parent
int childCount = parent.ChildCount[className];
parent.ChildCount[className] = ++childCount;
}
else
{
////if child does not exist in the parent add it with Occurrence = 1
parent.ChildCount.Add(className, 1);
}
}
if (!reader.IsEmptyElement)
{
////If its not an empty element push it in the stack which
////contains all parent elements
stack.Push(new ParentInfo());
}
ClassInfo classInfo;
if (!table.TryGetValue(className, out classInfo))
{
////Create a ClassInfo every time we hit an element and it is not already
////contained in the global table.
classInfo = new ClassInfo(className);
table.Add(className, classInfo);
}
if (reader.LocalName != reader.Name)
{
string lookupName = reader.Prefix == "xmlns" ? reader.LocalName : reader.Prefix;
classInfo.Namespace = nps.LookupNamespace(lookupName);
}
////Add any new attributes that are not already defined in the classInfo....
for (int index = 0; index < reader.AttributeCount; index++)
{
reader.MoveToAttribute(index);
string localName = reader.LocalName;
if (!classInfo.Properties.ContainsKey(localName) && (!reader.Name.StartsWith("xmlns")))
{
PropertyInfo propertyInfo = new PropertyInfo(localName, true);
classInfo.Properties[propertyInfo.Name] = propertyInfo;
}
}
}
/// <summary>
/// Generates the code DOM tree.
/// </summary>
/// <param name="codeXml">The code XML.</param>
/// <param name="url">The URL.</param>
/// <param name="namespaceName">Name of the namespace.</param>
/// <param name="classNamePrefix">The class name prefix.</param>
/// <param name="outputCodeCompileUnit">The output code compile unit.</param>
/// <param name="useBaseClass">if set to <c>true</c> [use base class].</param>
public static void GenerateCodeDomTree(
string codeXml,
string url,
string namespaceName,
string classNamePrefix,
CodeCompileUnit outputCodeCompileUnit,
bool useBaseClass)
{
if (string.IsNullOrEmpty(codeXml))
{
throw new ArgumentException(string.Format(Resources.RssToolkit.Culture, Resources.RssToolkit.ArgmentException, "codeXml"));
}
if (namespaceName == null)
{
throw new ArgumentNullException("namespaceName");
}
if (string.IsNullOrEmpty(classNamePrefix))
{
throw new ArgumentException(string.Format(Resources.RssToolkit.Culture, Resources.RssToolkit.ArgmentException, "classNamePrefix"));
}
if (outputCodeCompileUnit == null)
{
throw new ArgumentNullException("outputCodeCompileUnit");
}
if (outputCodeCompileUnit.Namespaces == null)
{
throw new ArgumentNullException("outputCodeCompileUnit.Namespaces");
}
RssCodeTreeGenerator codeTree = new RssCodeTreeGenerator();
Dictionary <string, ClassInfo> classDictionary = codeTree.ConvertToDictionary(codeXml);
// generate namespace
CodeNamespace generatedNamespace = new CodeNamespace(namespaceName);
generatedNamespace.Imports.Add(new CodeNamespaceImport("System"));
generatedNamespace.Imports.Add(new CodeNamespaceImport("System.Xml"));
generatedNamespace.Imports.Add(new CodeNamespaceImport("System.Xml.Serialization"));
generatedNamespace.Imports.Add(new CodeNamespaceImport("System.Collections.Generic"));
generatedNamespace.Imports.Add(new CodeNamespaceImport(NamespaceConstant));
foreach (string classKey in classDictionary.Keys)
{
ClassInfo classInfo = classDictionary[classKey];
if (classInfo.Properties.Count > 0)
{
string className = classNamePrefix + CodeNameFromRssName(classInfo.Name);
CodeTypeDeclaration itemType = new CodeTypeDeclaration(className);
if (classInfo.Name.Equals(RssConstant, StringComparison.OrdinalIgnoreCase))
{
itemType.CustomAttributes.Add(new CodeAttributeDeclaration("System.Serializable"));
itemType.CustomAttributes.Add(new CodeAttributeDeclaration("System.Xml.Serialization.XmlRoot", new CodeAttributeArgument(new CodePrimitiveExpression("rss"))));
if (useBaseClass)
{
itemType.BaseTypes.Add(new CodeTypeReference(RssNamespaceConstant));
}
if (!string.IsNullOrEmpty(url))
{
string itemTypeName = classNamePrefix + "Item";
//// LoadRss (and LoadRssItems) method
GenerateLoad(itemType, url);
GenerateLoadRssByUrl(itemType);
GenerateLoadRssByXmlTextReader(itemType);
GenerateLoadRssByXml(itemType);
GenerateLoadRssItems(itemType, itemTypeName);
}
GenerateToXml(itemType);
GenerateToDataSet(itemType);
}
if (!NamespaceContainsType(generatedNamespace, itemType.Name))
{
generatedNamespace.Types.Add(itemType);
}
foreach (string propertyKey in classInfo.Properties.Keys)
{
PropertyInfo property = classInfo.Properties[propertyKey];
string propertyName = classNamePrefix +
CodeNameFromRssName(property.Name);
AddCodeProperty(
property.Name,
property.IsAttribute ? XmlNodeType.Attribute : XmlNodeType.Element,
(classDictionary.ContainsKey(property.Name) && classDictionary[property.Name].Properties.Count > 0) ? new CodeTypeReference(propertyName) : new CodeTypeReference("System.String"),
itemType,
property.Occurrences > 1 ? true : false,
(classDictionary.ContainsKey(property.Name) ? classDictionary[property.Name].Namespace : string.Empty));
}
if (classInfo.IsText)
{
AddCodeProperty("Text", XmlNodeType.Text, new CodeTypeReference("System.String"), itemType, false, string.Empty);
}
}
}
if (useBaseClass)
{
// generate http handler base class
string handlerTypeName = classNamePrefix + "HttpHandlerBase";
CodeTypeDeclaration handlerType = new CodeTypeDeclaration(handlerTypeName);
handlerType.BaseTypes.Add(new CodeTypeReference(HttpHandlerNamespaceConstant, new CodeTypeReference[1] {
new CodeTypeReference(classNamePrefix + RssConstant)
}));
generatedNamespace.Types.Add(handlerType);
}
// add the generated namespace to the code compile unit
outputCodeCompileUnit.Namespaces.Add(generatedNamespace);
}