private static void inheritAttribute(FieldAttribute parent, FieldAttribute self, string callSite)
{
//merge attributes from parent into self prop by prop
foreach(var pi in ALL_PROPS)
{
if (pi.Name==nameof(MetadataContent))
{
if (self.MetadataContent.IsNullOrWhiteSpace())
self.MetadataContent = parent.MetadataContent;
else if (parent.MetadataContent.IsNotNullOrWhiteSpace())
{ //merge
var conf1 = ParseMetadataContent(parent.MetadataContent, callSite);
var conf2 = ParseMetadataContent(self.MetadataContent, callSite);
var merged = new LaconicConfiguration();
merged.CreateFromMerge(conf1, conf2);
self.MetadataContent = merged.SaveToString();
}
continue;
}//metadata merge
if (pi.Name==nameof(ValueList))
{
if (!self.HasValueList)
self.ValueList = parent.ValueList;
else if (parent.HasValueList)
{ //merge
var vl1 = parent.ParseValueList(true);
var vl2 = self.ParseValueList(true);
vl2.Append(vl1);//merge missing in self from parent
//remove all that start with REMOVE
// to remove a key include an override with: `keyABC: #del#` (item keyed on `keyABC` will be removed)
const string DELETE = "#del#";
vl2.Where(kvp => kvp.Value.AsString().EqualsOrdIgnoreCase(DELETE))
.ToArray()
.ForEach( kvp => vl2.Remove(kvp.Key) );
self.ValueList = BuildValueListString(vl2);//reconstitute jsonmap back into string
}
continue;
}
if (self.PropertyWasAssigned(pi.Name)) continue;//was overridden
pi.SetValue(self, pi.GetValue(parent));//set value
}
}
public FieldAttribute(
Type protoType,
string protoFieldName, //Schema:Field
string targetName = ANY_TARGET,
object storeFlag = null,
object key = null,
object kind = null,
object required = null,
object visible = null,
string valueList = null,
object dflt = null,
object min = null,
object max = null,
object minLength = null,
object maxLength = null,
object charCase = null,
string backendName = null,
string backendType = null,
string description = null,
string metadata = null,
object nonUI = null,
string formatRegExp = null,
string formatDescr = null,
string displayFormat = null,
object isArow = null
) : base(targetName, null)
{
if (protoType == null || protoFieldName.IsNullOrWhiteSpace())
{
throw new DataException(StringConsts.ARGUMENT_ERROR + "FieldAttr.ctor(protoType|protoFieldName=null|empty)");
}
try
{
var schema = Schema.GetForTypedDoc(protoType);
var protoTargetName = targetName;
var segs = protoFieldName.Split(':');
if (segs.Length > 1)
{
protoTargetName = segs[0].Trim();
protoFieldName = segs[1].Trim();
}
if (protoTargetName.IsNullOrWhiteSpace())
{
throw new Exception("Wrong target syntax");
}
if (protoFieldName.IsNullOrWhiteSpace())
{
throw new Exception("Wrong field syntax");
}
var protoFieldDef = schema[protoFieldName];
if (protoFieldDef == null)
{
throw new Exception("Prototype '{0}' field '{1}' not found".Args(protoType.FullName, protoFieldName));
}
var protoAttr = protoFieldDef[protoTargetName];
try
{
StoreFlag = storeFlag == null? protoAttr.StoreFlag : (StoreFlag)storeFlag;
BackendName = backendName == null? protoAttr.BackendName : backendName;
BackendType = backendType == null? protoAttr.BackendType : backendType;
Key = key == null? protoAttr.Key : (bool)key;
Kind = kind == null? protoAttr.Kind : (DataKind)kind;
Required = required == null? protoAttr.Required : (bool)required;
Visible = visible == null? protoAttr.Visible : (bool)visible;
Min = min == null? protoAttr.Min : min;
Max = max == null? protoAttr.Max : max;
Default = dflt == null? protoAttr.Default : dflt;
MinLength = minLength == null? protoAttr.MinLength : (int)minLength;
MaxLength = maxLength == null? protoAttr.MaxLength : (int)maxLength;
CharCase = charCase == null? protoAttr.CharCase : (CharCase)charCase;
ValueList = valueList == null? protoAttr.ValueList : valueList;
Description = description == null? protoAttr.Description : description;
NonUI = nonUI == null? protoAttr.NonUI : (bool)nonUI;
FormatRegExp = formatRegExp == null? protoAttr.FormatRegExp: formatRegExp;
FormatDescription = formatDescr == null? protoAttr.FormatDescription: formatDescr;
DisplayFormat = displayFormat == null? protoAttr.DisplayFormat : displayFormat;
IsArow = isArow == null? protoAttr.IsArow : (bool)isArow;
if (metadata.IsNullOrWhiteSpace())
{
m_MetadataContent = protoAttr.m_MetadataContent;
}
else
if (protoAttr.m_MetadataContent.IsNullOrWhiteSpace())
{
m_MetadataContent = metadata;
}
else
{
var conf1 = ParseMetadataContent(protoAttr.m_MetadataContent);
var conf2 = ParseMetadataContent(metadata);
var merged = new LaconicConfiguration();
merged.CreateFromMerge(conf1, conf2);
m_MetadataContent = merged.SaveToString();
}
}
catch (Exception err)
{
throw new Exception("Invalid assignment of prototype override value: " + err.ToMessageWithType());
}
}
catch (Exception error)
{
throw new DataException(StringConsts.CRUD_FIELD_ATTR_PROTOTYPE_CTOR_ERROR.Args(error.Message));
}
}