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Categories / C# / XML

 

Reads a XML schema file and returns the information found in that

using System; using System.Collections; using System.Collections.Generic; using System.Reflection; using System.Xml; using System.Xml.Schema; namespace Thinktecture.Tools.Wscf.Services.ServiceDescription.Helpers {     internal static class SchemaUtility     {         /// <summary>         ///          /// </summary>         /// <returns></returns>         internal static ArrayList GetIntrinsicSimpleTypesNames()         {             ArrayList primitiveNames = new ArrayList();             Assembly assembly = Assembly.GetAssembly(typeof(XmlSchema));             Type type = assembly.GetType("System.Xml.Schema.DatatypeImplementation");             FieldInfo[] fields = type.GetFields(BindingFlags.Static | BindingFlags.NonPublic);             foreach (FieldInfo fi in fields)             {                 int index = fi.Name.IndexOf("c_");                 if (index > -1)                 {                     string fieldName = fi.Name.Substring(index + 2);                     primitiveNames.Add("xsd:" + fieldName);                 }             }             return primitiveNames;         }         /// <summary>         /// Reads a XML schema file and returns the information found in that.         /// </summary>         /// <param name="schemaFile">The XML schema file to read information from.</param>         /// <param name="schemaNamespace">Ouput parameter which returns the namespace of the specified XML schema file.</param>         /// <returns>         /// An <see cref="ArrayList"/> with three items.          /// 1. Contains an <see cref="ArrayList"/> of <see cref="XmlSchemaElement"/> objects.         /// 2. Contains an <see cref="ArrayList"/> of schema element names.         /// 3. Contains a <see cref="SchemaElements"/> object.          /// </returns>         internal static ArrayList GetSchemasFromXsd(string schemaFile, out string schemaNamespace)         {             XmlTextReader reader = null;             ArrayList schemas;             ArrayList schemaNames;       List<SchemaElement> sElements;             try             {                 reader = new XmlTextReader(schemaFile);                 XmlSchema schema = XmlSchema.Read(reader, null);                 string schemaTargetNamesapce = schema.TargetNamespace;                 schemaNamespace = schemaTargetNamesapce;                 ArrayList xmlSchemaElements = new ArrayList();                 schemas = new ArrayList();                 schemaNames = new ArrayList();         sElements = new List<SchemaElement>();                 foreach (XmlSchemaObject xmlObj in schema.Items)                 {                     if (xmlObj is XmlSchemaAnnotated) xmlSchemaElements.Add(xmlObj);                 }                 foreach (XmlSchemaAnnotated obj in xmlSchemaElements)                 {                     if (obj is XmlSchemaElement)                     {                         XmlSchemaElement xse = (XmlSchemaElement)obj;                         schemas.Add(xse);                         schemaNames.Add(xse.Name);                         sElements.Add(new SchemaElement(schemaTargetNamesapce, xse.Name));                     }                 }                 reader.Close();                 ArrayList result = new ArrayList();                 result.Add(schemas);                 result.Add(sElements);                 result.Add(schemaNames);                 return result;             }             catch (Exception ex)             {                 throw new InvalidOperationException("Error occurred while reading the schema file.", ex);             }             finally             {                 if (reader != null && reader.ReadState != ReadState.Closed)                 {                     reader.Close();                 }             }         }     } }