xmlns() scheme based XPointer pointer part.
Inheritance: Mvp.Xml.XPointer.PointerPart
Ejemplo n.º 1
0
        private static XPointerSchema.SchemaType GetSchema(XPointerLexer lexer, IList <PointerPart> parts)
        {
            string schemaNSURI;

            if (lexer.Prefix != String.Empty)
            {
                schemaNSURI = null;
                //resolve prefix
                for (int i = parts.Count - 1; i >= 0; i--)
                {
                    PointerPart part = parts[i];
                    if (part is XmlnsSchemaPointerPart)
                    {
                        XmlnsSchemaPointerPart xmlnsPart = (XmlnsSchemaPointerPart)part;
                        if (xmlnsPart.Prefix == lexer.Prefix)
                        {
                            schemaNSURI = xmlnsPart.Uri;
                            break;
                        }
                    }
                }
                if (schemaNSURI == null)
                {
                    //No binding for the prefix - ignore pointer part
                    return(XPointerSchema.SchemaType.Unknown);
                }
            }
            else
            {
                schemaNSURI = String.Empty;
            }
            string schemaQName = schemaNSURI + ':' + lexer.NCName;

            return(_schemas.ContainsKey(schemaQName)? _schemas[schemaQName] : XPointerSchema.SchemaType.Unknown);
        }
Ejemplo n.º 2
0
        private static XPointerSchema.SchemaType GetSchema(XPointerLexer lexer, ArrayList parts)
        {
            string schemaNSURI;

            if (lexer.Prefix != String.Empty)
            {
                schemaNSURI = null;
                //resolve prefix
                for (int i = parts.Count - 1; i >= 0; i--)
                {
                    PointerPart part = (PointerPart)parts[i];
                    if (part is XmlnsSchemaPointerPart)
                    {
                        XmlnsSchemaPointerPart xmlnsPart = (XmlnsSchemaPointerPart)part;
                        if (xmlnsPart.Prefix == lexer.Prefix)
                        {
                            schemaNSURI = xmlnsPart.Uri;
                            break;
                        }
                    }
                }
                if (schemaNSURI == null)
                {
                    //No binding for the prefix - ignore pointer part
                    return(XPointerSchema.SchemaType.Unknown);
                }
            }
            else
            {
                schemaNSURI = String.Empty;
            }
            object o = _schemas[schemaNSURI + ':' + lexer.NCName];

            if (o == null)
            {
                return(XPointerSchema.SchemaType.Unknown);
            }
            else
            {
                return((XPointerSchema.SchemaType)o);
            }
        }
Ejemplo n.º 3
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));
        }