Shorthand XPointer pointer.
Inheritance: Mvp.Xml.XPointer.Pointer
Beispiel #1
0
        public static Pointer ParseXPointer(string xpointer)
        {
            var lexer = new XPointerLexer(xpointer);

            lexer.NextLexeme();
            if (lexer.Kind == XPointerLexer.LexKind.NcName && !lexer.CanBeSchemaName)
            {
                //Shorthand pointer
                Pointer ptr = new ShorthandPointer(lexer.NcName);
                lexer.NextLexeme();
                if (lexer.Kind != XPointerLexer.LexKind.Eof)
                {
                    throw new XPointerSyntaxException(Properties.Resources.InvalidTokenAfterShorthandPointer);
                }

                return(ptr);
            }

            //SchemaBased pointer
            IList <PointerPart> parts = new List <PointerPart>();

            while (lexer.Kind != XPointerLexer.LexKind.Eof)
            {
                if ((lexer.Kind == XPointerLexer.LexKind.NcName ||
                     lexer.Kind == XPointerLexer.LexKind.QName) &&
                    lexer.CanBeSchemaName)
                {
                    XPointerSchema.SchemaType schemaType = GetSchema(lexer, parts);
                    //Move to '('
                    lexer.NextLexeme();
                    switch (schemaType)
                    {
                    case XPointerSchema.SchemaType.Element:
                        ElementSchemaPointerPart elemPart = ElementSchemaPointerPart.ParseSchemaData(lexer);
                        if (elemPart != null)
                        {
                            parts.Add(elemPart);
                        }

                        break;

                    case XPointerSchema.SchemaType.Xmlns:
                        XmlnsSchemaPointerPart xmlnsPart = XmlnsSchemaPointerPart.ParseSchemaData(lexer);
                        if (xmlnsPart != null)
                        {
                            parts.Add(xmlnsPart);
                        }

                        break;

                    case XPointerSchema.SchemaType.XPath1:
                        XPath1SchemaPointerPart xpath1Part = XPath1SchemaPointerPart.ParseSchemaData(lexer);
                        if (xpath1Part != null)
                        {
                            parts.Add(xpath1Part);
                        }

                        break;

                    case XPointerSchema.SchemaType.XPointer:
                        XPointerSchemaPointerPart xpointerPart = XPointerSchemaPointerPart.ParseSchemaData(lexer);
                        if (xpointerPart != null)
                        {
                            parts.Add(xpointerPart);
                        }

                        break;

                    default:
                        //Unknown scheme
                        lexer.ParseEscapedData();
                        break;
                    }
                    //Skip ')'
                    lexer.NextLexeme();
                    //Skip possible whitespace
                    if (lexer.Kind == XPointerLexer.LexKind.Space)
                    {
                        lexer.NextLexeme();
                    }
                }
                else
                {
                    throw new XPointerSyntaxException(Properties.Resources.InvalidToken);
                }
            }
            return(new SchemaBasedPointer(parts, xpointer));
        }
Beispiel #2
0
 public static Pointer ParseXPointer(string xpointer)
 {
   IList<PointerPart> parts;
   XPointerLexer lexer;
   lexer = new XPointerLexer(xpointer);
   lexer.NextLexeme();
   if (lexer.Kind == XPointerLexer.LexKind.NCName && !lexer.CanBeSchemaName)
   {
     //Shorthand pointer
     Pointer ptr = new ShorthandPointer(lexer.NCName);
     lexer.NextLexeme();
     if (lexer.Kind != XPointerLexer.LexKind.Eof)
       throw new XPointerSyntaxException(SR.InvalidTokenAfterShorthandPointer);
     return ptr;
   }
   else
   {
     //SchemaBased pointer
     parts = new List<PointerPart>();
     while (lexer.Kind != XPointerLexer.LexKind.Eof)
     {
       if ((lexer.Kind == XPointerLexer.LexKind.NCName ||
           lexer.Kind == XPointerLexer.LexKind.QName) &&
           lexer.CanBeSchemaName)
       {
         XPointerSchema.SchemaType schemaType = GetSchema(lexer, parts);
         //Move to '('
         lexer.NextLexeme();
         switch (schemaType)
         {
           case XPointerSchema.SchemaType.Element:
             ElementSchemaPointerPart elemPart = ElementSchemaPointerPart.ParseSchemaData(lexer);
             if (elemPart != null)
               parts.Add(elemPart);
             break;
           case XPointerSchema.SchemaType.Xmlns:
             XmlnsSchemaPointerPart xmlnsPart = XmlnsSchemaPointerPart.ParseSchemaData(lexer);
             if (xmlnsPart != null)
               parts.Add(xmlnsPart);
             break;
           case XPointerSchema.SchemaType.XPath1:
             XPath1SchemaPointerPart xpath1Part = XPath1SchemaPointerPart.ParseSchemaData(lexer);
             if (xpath1Part != null)
               parts.Add(xpath1Part);
             break;
           case XPointerSchema.SchemaType.XPointer:
             XPointerSchemaPointerPart xpointerPart = XPointerSchemaPointerPart.ParseSchemaData(lexer);
             if (xpointerPart != null)
               parts.Add(xpointerPart);
             break;
           default:
             //Unknown scheme
             lexer.ParseEscapedData();
             break;
         }
         //Skip ')'
         lexer.NextLexeme();
         //Skip possible whitespace
         if (lexer.Kind == XPointerLexer.LexKind.Space)
           lexer.NextLexeme();
       }
       else
         throw new XPointerSyntaxException(SR.InvalidToken);
     }
     return new SchemaBasedPointer(parts, xpointer);
   }
 }