public int PushKS(int errline, int errcol)
 {
     KSStruct struct2;
     KeySequence ks = new KeySequence(this.cs.TableDim, errline, errcol);
     if (this.KSpointer < this.KSs.Count)
     {
         struct2 = (KSStruct) this.KSs[this.KSpointer];
         struct2.ks = ks;
         for (int i = 0; i < this.cs.TableDim; i++)
         {
             struct2.fields[i].Reactivate(ks);
         }
     }
     else
     {
         struct2 = new KSStruct(ks, this.cs.TableDim);
         for (int j = 0; j < this.cs.TableDim; j++)
         {
             struct2.fields[j] = new LocatedActiveAxis(this.cs.constraint.Fields[j], ks, j);
             this.cs.axisFields.Add(struct2.fields[j]);
         }
         this.KSs.Add(struct2);
     }
     struct2.depth = base.CurrentDepth - 1;
     return this.KSpointer++;
 }
 internal void Reactivate(KeySequence ks) {
     Reactivate();
     this.Ks = ks;
 }
 internal LocatedActiveAxis (Asttree astfield, KeySequence ks, int column) : base (astfield) {
     this.Ks = ks;
     this.column = column;
     this.isMatched = false;
 }
 public LocatedActiveAxis[] fields;      // array of fields activeaxis when it matches and assigned
 
 public KSStruct(KeySequence ks, int dim) {
     this.ks = ks;
     this.fields = new LocatedActiveAxis[dim];
 }
        // update constraintStruct.axisFields as well, if it's new LocatedActiveAxis
        public int PushKS (int errline, int errcol) {
            // new KeySequence each time
            KeySequence ks = new KeySequence(cs.TableDim, errline, errcol);

            // needs to clear KSStruct before using
            KSStruct kss;
            if (KSpointer < KSs.Count) {
                // reuse, clear up KSs.KSpointer
                kss = (KSStruct) KSs[KSpointer];
                kss.ks = ks;
                // reactivate LocatedActiveAxis
                for (int i = 0; i < cs.TableDim; i ++) {
                    kss.fields[i].Reactivate(ks);               // reassociate key sequence
                }
            }
            else { // "==", new
                kss = new KSStruct(ks, cs.TableDim);
                for (int i = 0; i < cs.TableDim; i ++) {
                    kss.fields[i] = new LocatedActiveAxis (cs.constraint.Fields[i], ks, i);
                    cs.axisFields.Add (kss.fields[i]);          // new, add to axisFields
                }
                KSs.Add(kss);
            }
            
            kss.depth = this.CurrentDepth - 1;
            
            return (KSpointer ++);
        }
Exemplo n.º 6
0
 internal int AddToTable (KeySequence ks) {
     this.constraintTable.Add(ks);
     return (this.currentRow ++);
 }
Exemplo n.º 7
0
        private void ProcessElement() {
            int count = reader.AttributeCount;
            XmlQualifiedName xsiType = XmlQualifiedName.Empty;
            if (reader.Depth == 0 && SchemaInfo.SchemaType != SchemaType.DTD && validationFlag != ValidationType.DTD && validationFlag != ValidationType.None) {
                LoadSchema(string.Empty, null);
            }

            string[] xsiSchemaLocation = null;
            string xsiNoNamespaceSchemaLocation = null;
            string xsiNil = null;
            if (SchemaInfo.SchemaType != SchemaType.DTD && validationFlag != ValidationType.DTD && validationFlag != ValidationType.None) {
                for (int i = 0; i < count ; i++) {
                    reader.MoveToAttribute(i);
                    string objectNs = reader.NamespaceURI;
                    string objectName = reader.LocalName;
                    if (Ref.Equal(objectNs, schemaNames.NsXmlNs)) {
                        LoadSchema(reader.Value, null);
                        if (isProcessContents) {
                            nsManager.AddNamespace(reader.Prefix == string.Empty ? string.Empty : reader.LocalName, reader.Value);
                        }
                    }
                    else if ((validationFlag != ValidationType.XDR) && Ref.Equal(objectNs, schemaNames.NsXsi)) {
                        if (Ref.Equal(objectName, schemaNames.XsiSchemaLocation)) {
                            xsiSchemaLocation = (string[])dtStringArray.ParseValue(reader.Value, nameTable, nsManager);
                        }
                        else if (Ref.Equal(objectName, schemaNames.XsiNoNamespaceSchemaLocation)) {
                            xsiNoNamespaceSchemaLocation = reader.Value;
                        }
                        else if (Ref.Equal(objectName, schemaNames.XsiType)) {
                            xsiType = (XmlQualifiedName)dtQName.ParseValue(reader.Value, nameTable, nsManager);
                        }
                        else if (Ref.Equal(objectName, schemaNames.XsiNil)) {
                            xsiNil = reader.Value;
                        }
                        SchemaInfo.SchemaType = SchemaType.XSD;
                    }
                    else if (
                        SchemaInfo.SchemaType != SchemaType.XSD &&
                        Ref.Equal(objectNs, schemaNames.QnDtDt.Namespace) &&
                        Ref.Equal(objectName, schemaNames.QnDtDt.Name)
                    ) {
                        reader.SchemaTypeObject = XmlSchemaDatatype.FromXdrName(reader.Value);
                        SchemaInfo.SchemaType = SchemaType.XDR;
                    }
                }
            }
            if (count > 0) {
                reader.MoveToElement();
            }
            if (xsiNoNamespaceSchemaLocation != null) {

                LoadSchema(string.Empty, xsiNoNamespaceSchemaLocation);
            }
            if (xsiSchemaLocation != null) {
                for (int i = 0; i < xsiSchemaLocation.Length - 1; i += 2) {
                    LoadSchema((string)xsiSchemaLocation[i], (string)xsiSchemaLocation[i + 1]);
                }
            }

            if (HasSchema) {
                if (processContents == XmlSchemaContentProcessing.Skip) {
                    nextElement = null;
                }
                else {
                    nextElement = SchemaInfo.GetElementDecl(this.name, (context != null) ? context.ElementDecl : null);
                    if (nextElement != null) {
                        if (xsiType.IsEmpty) {
                            if (nextElement.IsAbstract) {
                                SendValidationEvent(Res.Sch_AbstractElement, this.name.ToString());
                                nextElement = null;
                            }
                        }
                        else if(xsiNil != null && xsiNil.Equals("true")) {
                            SendValidationEvent(Res.Sch_XsiNilAndType);
                        }
                        else {
                            SchemaElementDecl nextElementXsi = (SchemaElementDecl)SchemaInfo.ElementDeclsByType[xsiType];
                            if (nextElementXsi == null && xsiType.Namespace == schemaNames.NsXsd) {
                                XmlSchemaDatatype datatype = XmlSchemaDatatype.FromTypeName(xsiType.Name);
                                if (datatype != null) {
                                    nextElementXsi = new SchemaElementDecl(datatype, this.schemaNames);
                                }
                            }
                            if (nextElementXsi == null) {
                                SendValidationEvent(Res.Sch_XsiTypeNotFound, xsiType.ToString());
                                nextElement = null;
                            }
                            else if (!XmlSchemaType.IsDerivedFrom(
                                (nextElementXsi.SchemaType == null ? (object)nextElementXsi.Datatype : (object)nextElementXsi.SchemaType),
                                (nextElement.SchemaType == null ? (object)nextElement.Datatype : (object)nextElement.SchemaType),
                                nextElement.Block
                            )) {
                                SendValidationEvent(Res.Sch_XsiTypeBlocked, this.name.ToString());
                                nextElement = null;
                            }
                            else {
                                nextElement = nextElementXsi;
                            }

                        }
                    }
                }

                PushElementDecl(this.name.Namespace, reader.Prefix, reader.Depth);
                if (context.ElementDecl != null || SchemaInfo.SchemaType == SchemaType.XSD) {
                    if (context.ElementDecl != null && context.ElementDecl.IsNillable) {
                        if (xsiNil != null) {
                            context.IsNill = XmlConvert.ToBoolean(xsiNil);
                            if (context.IsNill && context.ElementDecl.DefaultValueTyped != null) {
                                SendValidationEvent(Res.Sch_XsiNilAndFixed);
                            }
                        }
                    }
                    else if (xsiNil != null) {
                        SendValidationEvent(Res.Sch_InvalidXsiNill);
                    }

                    if (context.ElementDecl != null) {
                        if (context.ElementDecl.SchemaType != null) {
                            reader.SchemaTypeObject =  context.ElementDecl.SchemaType;
                        }
                        else {
                            reader.SchemaTypeObject =  context.ElementDecl.Datatype;
                        }
                        if (reader.IsEmptyElement && !context.IsNill && context.ElementDecl.DefaultValueTyped != null) {
                           reader.TypedValueObject = context.ElementDecl.DefaultValueTyped;
                           context.IsNill = true; // reusing IsNill
                        }
                        if (this.context.ElementDecl.HasRequiredAttribute || this.startIDConstraint != -1) {
                            attPresence.Clear();
                        }
                    }

                    //foreach constraint in stack (including the current one)
                    if (this.startIDConstraint != -1) {
                        for (int i = this.startIDConstraint; i < this.validationStack.Length; i ++) {
                            // no constraint for this level
                            if (((ValidationState)(this.validationStack[i])).Constr == null) {
                                continue;
                            }

                            // else
                            foreach (ConstraintStruct conuct in ((ValidationState)(this.validationStack[i])).Constr) {
                                // check selector from here
                                if (conuct.axisSelector.MoveToStartElement(reader.LocalName, reader.NamespaceURI)) {
                                    // selector selects new node, activate a new set of fields
                                    Debug.WriteLine("Selector Match!");
                                    Debug.WriteLine("Name: " + reader.LocalName + "\t|\tURI: " + reader.NamespaceURI + "\n");
                                    KeySequence ks = new KeySequence (conuct.TableDim, positionInfo.LineNumber, positionInfo.LinePosition);
                                    int row = conuct.AddToTable (ks);                   // new line in table assigned to this set of fields
                                    int column = 0;
                                    foreach (Asttree field in conuct.constraint.Fields) {
                                        LocatedActiveAxis laxis = new LocatedActiveAxis (field, row, column ++);
                                        conuct.axisFields.Add (laxis);
                                    }
                                }

                                // axisFields is not null, but may be empty
                                foreach (LocatedActiveAxis laxis in conuct.axisFields) {
                                    // check field from here
                                    if (laxis.MoveToStartElement(reader.LocalName, reader.NamespaceURI)) {
                                        Debug.WriteLine("Element Field Match!");
                                        // checking simpleType / simpleContent
                                        if (nextElement != null) {      // nextElement can be null when xml/xsd are not valid
                                            if (nextElement.Datatype == null) {
                                                SendValidationEvent (Res.Sch_FieldSimpleTypeExpected, reader.LocalName);
                                            }
                                            else {
                                                // can't fill value here, wait till later....
                                                // fill type : xsdType
                                                laxis.isMatched = true;
                                                // since it's simpletyped element, the endchildren will come consequently... don't worry
                                            }
                                        }
                                    }
                                }

                            }
                        }
                    }

                    for (int i = 0; i < count ; i++) {
                        reader.MoveToAttribute(i);
                        if ((SchemaInfo.SchemaType == SchemaType.XSD || SchemaInfo.SchemaType == SchemaType.XDR) && (object)reader.NamespaceURI == (object)schemaNames.NsXmlNs) {
                            continue;
                        }
                        if (SchemaInfo.SchemaType == SchemaType.XSD && (object)reader.NamespaceURI == (object)schemaNames.NsXsi) {
                            continue;
                        }
                        this.name = QualifiedName(reader.Prefix, reader.LocalName, reader.NamespaceURI);
                        try {
                            bool skip;
                            attnDef = SchemaInfo.GetAttribute(context.ElementDecl, this.name, out skip);
                            if (attnDef != null) {
                                if (context.ElementDecl != null && (context.ElementDecl.HasRequiredAttribute || this.startIDConstraint != -1)) {
                                    attPresence.Add(attnDef.Name, attnDef);
                                }
                                reader.SchemaTypeObject = (attnDef.SchemaType != null) ? (object)attnDef.SchemaType : (object)attnDef.Datatype;
                                if (attnDef.Datatype != null) {

                                    // VC constraint:
                                    // The standalone document declaration must have the value "no" if any external markup declarations
                                    // contain declarations of attributes with values subject to normalization, where the attribute appears in
                                    // the document with a value which will change as a result of normalization,

                                    string attributeValue = reader.Value;
                                    if (reader.StandAlone && attnDef.IsDeclaredInExternal && attributeValue != reader.RawValue) {
                                        SendValidationEvent(Res.Sch_StandAloneNormalization, reader.Name);
                                    }

                                    // need to check the contents of this attribute to make sure
                                    // it is valid according to the specified attribute type.
                                    CheckValue(attributeValue, attnDef);
                                }
                            }
                            else if (ValidationFlag == ValidationType.Schema && !skip) {
                                SendValidationEvent(Res.Sch_NoAttributeSchemaFound, this.name.ToString(), XmlSeverityType.Warning);
                            }
                        }
                        catch (XmlSchemaException e) {
                            e.SetSource(reader.BaseURI, positionInfo.LineNumber, positionInfo.LinePosition);
                            SendValidationEvent(e);
                        }

                        // for all constraint in the stack, i have to check this thing
                        IDCCheckAttr(reader.LocalName, reader.NamespaceURI, reader.TypedValueObject, reader.Value, attnDef);
                    }

                    if (count > 0) {
                        reader.MoveToElement();
                    }

                    // Add default attributes
                    if ( nextElement != null) {
                        foreach (SchemaAttDef attdef in nextElement.AttDefs.Values) {
                            if (attdef.Presence == SchemaDeclBase.Use.Default ||
                                attdef.Presence == SchemaDeclBase.Use.Fixed) {
                                // VC constraint:
                                // Standalone must be = "no" when any external markup declarations contain declarations of attributes
                                // with default values, if elements to which these attributes apply appear in the document without
                                // specifications of values for these attributes

                                // for default attribute i have to check too...
                                if (reader.AddDefaultAttribute(attdef) && reader.StandAlone && attdef.IsDeclaredInExternal) {
                                    SendValidationEvent(Res.Sch_UnSpecifiedDefaultAttributeInExternalStandalone, attdef.Name.Name);
                                }

                                // even default attribute i have to move to... but can't exist
                                if (! attPresence.Contains(attdef.Name)) {
                                    IDCCheckAttr(attdef.Name.Name, attdef.Name.Namespace, attdef.DefaultValueTyped, attdef.DefaultValueRaw, attdef);
                                }
                            }
                        }
                    }
                }
                BeginChildren();
                if (reader.IsEmptyElement) {
                    EndChildren();
                }
            }
            else {
                //couldnt find any schema for this element
                if( ValidationFlag == ValidationType.DTD && 0 == reader.Depth) {
                    // this warning only needs to be on the documentElement
                    SendValidationEvent(Res.Xml_NoDTDPresent, this.name.ToString(), XmlSeverityType.Warning);
                }
                else if(ValidationFlag == ValidationType.Schema) {
                    SendValidationEvent(Res.Sch_NoElementSchemaFound, this.name.ToString(),XmlSeverityType.Warning);

                    for (int i = 0; i < count ; i++) {
                        reader.MoveToAttribute(i);
                        if ((object)reader.NamespaceURI == (object)schemaNames.NsXmlNs
                            ||(ValidationType.Schema == ValidationFlag && (object)reader.NamespaceURI == (object)schemaNames.NsXsi)) {
                            continue;
                        }
                        this.name = QualifiedName(reader.Prefix, reader.LocalName, reader.NamespaceURI);
                        SendValidationEvent(Res.Sch_NoAttributeSchemaFound, this.name.ToString(), XmlSeverityType.Warning);
                    }
                    reader.MoveToElement();
                }
            }

        }
Exemplo n.º 8
0
 internal void Reactivate(KeySequence ks)
 {
     Reactivate();
     this.Ks = ks;
 }
Exemplo n.º 9
0
 internal LocatedActiveAxis(Asttree astfield, KeySequence ks, int column) : base(astfield)
 {
     this.Ks        = ks;
     this.column    = column;
     this.isMatched = false;
 }
Exemplo n.º 10
0
        public LocatedActiveAxis[] fields;      // array of fields activeaxis when it matches and assigned

        public KSStruct(KeySequence ks, int dim)
        {
            this.ks     = ks;
            this.fields = new LocatedActiveAxis[dim];
        }
Exemplo n.º 11
0
        private void EndElementIdentityConstraints()
        {
            for (int ci = _validationStack.Length - 1; ci >= _startIDConstraint; ci--)
            {
                // no constraint for this level
                if (((ValidationState)(_validationStack[ci])).Constr == null)
                {
                    continue;
                }

                // else
                ConstraintStruct[] constraints = ((ValidationState)_validationStack[ci]).Constr;
                for (int i = 0; i < constraints.Length; ++i)
                {
                    // EndChildren
                    // axisFields is not null, but may be empty
                    for (int j = 0; j < constraints[i].axisFields.Count; ++j)
                    {
                        LocatedActiveAxis laxis = (LocatedActiveAxis)constraints[i].axisFields[j];
                        // check field from here
                        // isMatched is false when nextElement is null. so needn't change this part.
                        if (laxis.isMatched)
                        {
                            Debug.WriteLine("Element Field Filling Value!");
                            Debug.WriteLine("Name: " + reader.LocalName + "\t|\tURI: " + reader.NamespaceURI + "\t|\tValue: " + reader.TypedValueObject + "\n");
                            // fill value
                            laxis.isMatched = false;
                            if (laxis.Ks[laxis.Column] != null)
                            {
                                // [field...] should be evaluated to either an empty node-set or a node-set with exactly one member
                                // two matches... already existing field value in the table.
                                SendValidationEvent(SR.Sch_FieldSingleValueExpected, reader.LocalName);
                            }
                            else
                            {
                                // for element, reader.Value = "";
                                string stringValue = !hasSibling ? textString : textValue.ToString();  // only for identity-constraint exception reporting
                                if (reader.TypedValueObject != null && stringValue.Length != 0)
                                {
                                    laxis.Ks[laxis.Column] = new TypedObject(reader.TypedValueObject, stringValue, context.ElementDecl.Datatype);
                                }
                            }
                        }
                        // EndChildren
                        laxis.EndElement(reader.LocalName, reader.NamespaceURI);
                    }

                    if (constraints[i].axisSelector.EndElement(reader.LocalName, reader.NamespaceURI))
                    {
                        // insert key sequence into hash (+ located active axis tuple leave for later)
                        KeySequence ks = constraints[i].axisSelector.PopKS();
                        // unqualified keysequence are not allowed
                        switch (constraints[i].constraint.Role)
                        {
                        case CompiledIdentityConstraint.ConstraintRole.Key:
                            if (!ks.IsQualified())
                            {
                                //Key's fields can't be null...  if we can return context node's line info maybe it will be better
                                //only keymissing & keyduplicate reporting cases are necessary to be dealt with... 3 places...
                                SendValidationEvent(new XmlSchemaException(SR.Sch_MissingKey, constraints[i].constraint.name.ToString(), reader.BaseURI, ks.PosLine, ks.PosCol));
                            }
                            else if (constraints[i].qualifiedTable.Contains(ks))
                            {
                                // unique or key checking value confliction
                                // for redundant key, reporting both occurings
                                // doesn't work... how can i retrieve value out??
                                SendValidationEvent(new XmlSchemaException(SR.Sch_DuplicateKey,
                                                                           new string[2] {
                                    ks.ToString(), constraints[i].constraint.name.ToString()
                                },
                                                                           reader.BaseURI, ks.PosLine, ks.PosCol));
                            }
                            else
                            {
                                constraints[i].qualifiedTable.Add(ks, ks);
                            }
                            break;

                        case CompiledIdentityConstraint.ConstraintRole.Unique:
                            if (!ks.IsQualified())
                            {
                                continue;
                            }
                            if (constraints[i].qualifiedTable.Contains(ks))
                            {
                                // unique or key checking confliction
                                SendValidationEvent(new XmlSchemaException(SR.Sch_DuplicateKey,
                                                                           new string[2] {
                                    ks.ToString(), constraints[i].constraint.name.ToString()
                                },
                                                                           reader.BaseURI, ks.PosLine, ks.PosCol));
                            }
                            else
                            {
                                constraints[i].qualifiedTable.Add(ks, ks);
                            }
                            break;

                        case CompiledIdentityConstraint.ConstraintRole.Keyref:
                            // is there any possibility:
                            // 2 keyrefs: value is equal, type is not
                            // both put in the hashtable, 1 reference, 1 not
                            if (constraints[i].qualifiedTable != null)
                            {     //Will be null in cases when the keyref is outside the scope of the key, that is not allowed by our impl
                                if (!ks.IsQualified() || constraints[i].qualifiedTable.Contains(ks))
                                {
                                    continue;
                                }
                                constraints[i].qualifiedTable.Add(ks, ks);
                            }
                            break;
                        }
                    }
                }
            }

            // current level's constraint struct
            ConstraintStruct[] vcs = ((ValidationState)(_validationStack[_validationStack.Length - 1])).Constr;
            if (vcs != null)
            {
                // validating all referencing tables...
                for (int i = 0; i < vcs.Length; ++i)
                {
                    if ((vcs[i].constraint.Role == CompiledIdentityConstraint.ConstraintRole.Keyref) ||
                        (vcs[i].keyrefTable == null))
                    {
                        continue;
                    }
                    foreach (KeySequence ks in vcs[i].keyrefTable.Keys)
                    {
                        if (!vcs[i].qualifiedTable.Contains(ks))
                        {
                            SendValidationEvent(new XmlSchemaException(SR.Sch_UnresolvedKeyref, new string[2] {
                                ks.ToString(), vcs[i].constraint.name.ToString()
                            },
                                                                       reader.BaseURI, ks.PosLine, ks.PosCol));
                        }
                    }
                }
            }
        }