/// <summary> /// Sets the member of dom specified by name to val. /// If a member with the specified name does not exist an ArgumentException will be thrown. /// </summary> public void SetValue(DocumentObject dom, string name, object val) { int dot = name.IndexOf('.'); if (dot == 0) { throw new ArgumentException(DomSR.InvalidValueName(name)); } string trail = null; if (dot > 0) { trail = name.Substring(dot + 1); name = name.Substring(0, dot); } ValueDescriptor vd = this.vds[name]; if (vd == null) { throw new ArgumentException(DomSR.InvalidValueName(name)); } if (trail != null) { //REVIEW DaSt: dom.GetValue(name) und rekursiv SetValue aufrufen, // oder dom.GetValue(name.BisVorletzteElement) und erst SetValue aufrufen. DocumentObject doc = dom.GetValue(name) as DocumentObject; doc.SetValue(trail, val); } else { vd.SetValue(dom, val); } }
/// <summary> /// Sets the member of dom specified by name to null. /// If a member with the specified name does not exist an ArgumentException will be thrown. /// </summary> public void SetNull(DocumentObject dom, string name) { ValueDescriptor vd = vds[name]; if (vd == null) { throw new ArgumentException(DomSR.InvalidValueName(name)); } vd.SetNull(dom); }
/// <summary> /// Determines whether the member of dom specified by name is null. /// If a member with the specified name does not exist an ArgumentException will be thrown. /// </summary> public virtual bool IsNull(DocumentObject dom, string name) { //bool isNull = false; int dot = name.IndexOf('.'); if (dot == 0) { throw new ArgumentException(DomSR.InvalidValueName(name)); } string trail = null; if (dot > 0) { trail = name.Substring(dot + 1); name = name.Substring(0, dot); } ValueDescriptor vd = this.vds[name]; if (vd == null) { throw new ArgumentException(DomSR.InvalidValueName(name)); } if (vd is NullableDescriptor || vd is ValueTypeDescriptor) { if (trail != null) { throw new ArgumentException(DomSR.InvalidValueName(name)); } return(vd.IsNull(dom)); } DocumentObject docObj = (DocumentObject)vd.GetValue(dom, GV.ReadOnly); if (docObj == null) { return(true); } if (trail != null) { return(docObj.IsNull(trail)); } else { return(docObj.IsNull()); } // DomValueDescriptor vd = vds[name]; // if (vd == null) // throw new ArgumentException(DomSR.InvalidValueName(name)); // // return vd.IsNull(dom); }
/// <summary> /// Gets the object specified by name from dom. /// </summary> public object GetValue(DocumentObject dom, string name, GV flags) { int dot = name.IndexOf('.'); if (dot == 0) { throw new ArgumentException(string.Format(AppResources.InvalidValueName, name)); } string trail = null; if (dot > 0) { trail = name.Substring(dot + 1); name = name.Substring(0, dot); } ValueDescriptor vd = this.vds[name]; if (vd == null) { throw new ArgumentException(string.Format(AppResources.InvalidValueName, name)); } object value = vd.GetValue(dom, flags); if (value == null && flags == GV.GetNull) //??? oder auch GV.ReadOnly? { return(null); } //REVIEW DaSt: Sollte beim GV.ReadWrite das Objekt angelegt werden? if (trail != null) { if (value == null || trail == "") { throw new ArgumentException(string.Format(AppResources.InvalidValueName, name)); } DocumentObject doc = value as DocumentObject; if (doc == null) { throw new ArgumentException(string.Format(AppResources.InvalidValueName, name)); } value = doc.GetValue(trail, flags); } return(value); }
/// <summary> /// Determines whether all members of the specified dom are null. If dom contains no members IsNull /// returns true. /// </summary> public bool IsNull(DocumentObject dom) { int count = vds.Count; for (int index = 0; index < count; index++) { ValueDescriptor vd = vds[index]; if (vd.IsRefOnly) { continue; } if (!vd.IsNull(dom)) { return(false); } } return(true); }
/// <summary> /// Adds a value descriptor for each field and property found in type to meta. /// </summary> static void AddValueDescriptors(Meta meta, Type type) { var fieldInfos = type.GetRuntimeFields(); //(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic); foreach (FieldInfo fieldInfo in fieldInfos) { #if DEBUG_ string name = fieldInfo.Name; if (name == "parent") { name.GetType(); } #endif var dvs = fieldInfo.GetCustomAttributes <DVAttribute>(false); if (dvs.Count() == 1) { ValueDescriptor vd = ValueDescriptor.CreateValueDescriptor(fieldInfo, dvs.First()); meta.ValueDescriptors.Add(vd); } } PropertyInfo[] propInfos = type.GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic); foreach (PropertyInfo propInfo in propInfos) { #if DEBUG_ string name = propInfo.Name; if (name == "Font") { name.GetType(); } #endif var dvs = propInfo.GetCustomAttributes <DVAttribute>(false); if (dvs.Count() == 1) { ValueDescriptor vd = ValueDescriptor.CreateValueDescriptor(propInfo, dvs.First()); meta.ValueDescriptors.Add(vd); } } }
/// <summary> /// Adds the specified ValueDescriptor. /// </summary> public int Add(ValueDescriptor vd) { this.hashTable.Add(vd.ValueName, vd); return(this.arrayList.Add(vd)); }
/// <summary> /// Determines whether this meta contains a value with the specified name. /// </summary> public bool HasValue(string name) { ValueDescriptor vd = this.vds[name]; return(vd != null); }