Ejemplo n.º 1
0
 public virtual bool HasValue <T>()
 {
     return(entityBase.HasValue <T>());
 }
Ejemplo n.º 2
0
        public string Resolve(string stringToResolve, IEntityBase dataSource)
        {
            StringBuilder resolved = new StringBuilder();
            int           index    = 0;

            while (index != stringToResolve.Length - 1)
            {
                Match sequenceFound = controlSequenceFinder.Match(stringToResolve, index);
                if (!sequenceFound.Success)
                {
                    break;
                }

                resolved.Append(ResolveTemplateContent(stringToResolve.Substring(index, sequenceFound.Index - index)));

                string controlSequence = sequenceFound.Groups["expression"].Value;
                string startTag        = $"$([{controlSequence}]";
                string endTag          = $"$([end-{controlSequence}])";
                int    length          = sequenceFound.Length;
                index = sequenceFound.Index;
                int nestedSequences =
                    Count(stringToResolve.Substring(index + startTag.Length, length - startTag.Length), startTag);
                int endIndex = index + length;
                while (nestedSequences > 0)
                {
                    int newEnd = stringToResolve.Substring(endIndex)
                                 .IndexOf(endTag, StringComparison.OrdinalIgnoreCase);
                    if (newEnd < 0)
                    {
                        throw new ControlSequenceEndTagNotFoundException(controlSequence);
                    }

                    newEnd = endIndex + newEnd;

                    //Find nested tags between last end tag and this end tag
                    nestedSequences += Count(stringToResolve.Substring(endIndex, newEnd - endIndex), startTag);
                    nestedSequences--;
                    endIndex = newEnd + endTag.Length;
                }

                Match controlSequenceDataMatch = greedyContentFinder.Match(stringToResolve, index, endIndex - index);
                if (!controlSequenceDataMatch.Success)
                {
                    throw new InvalidOperationException("Should not happen");
                }

                resolved.Append(ResolveControlSequence(controlSequenceDataMatch.Groups["expression"].Value,
                                                       controlSequenceDataMatch.Groups["parameter"].Value,
                                                       controlSequenceDataMatch.Groups["content"].Value));
                if (controlSequenceDataMatch.Value.Contains('\n'))
                {
                    Match newlineMatch = newlineSearcher.Match(stringToResolve, endIndex);
                    if (newlineMatch.Success && newlineMatch.Index == endIndex)
                    {
                        endIndex += newlineMatch.Length;
                    }
                }

                index = endIndex;
            }

            resolved.Append(ResolveTemplateContent(stringToResolve.Substring(index)));
            return(resolved.ToString());

            string ResolveControlSequence(string sequence, string parameter, string content)
            {
                switch (sequence.ToUpperInvariant())
                {
                case "IF-EXIST":
                    return(IfSequence(IfExistCondition));

                case "IF-SPECIFIED":
                    return(IfSequence(IfSpecifiedCondition));

                case "FOREACH":
                    return(ForeachSequence());

                case "NO-DUPLICATE-LINES":
                    return(RemoveDuplicateLinesSequence());

                default:
                    throw new UnrecognizedControlSequenceException(sequence);
                }

                string RemoveDuplicateLinesSequence()
                {
                    if (!string.IsNullOrEmpty(parameter))
                    {
                        throw new NoDuplicateLinesParameterMismatchException();
                    }

                    string[] lines = (Resolve(content, dataSource)).Split(new[] { '\r', '\n' },
                                                                          StringSplitOptions.RemoveEmptyEntries);
                    return(string.Join(Environment.NewLine, lines.Distinct()) + Environment.NewLine);
                }

                string IfSequence(Func <bool> conditionCheck)
                {
                    if (string.IsNullOrEmpty(parameter))
                    {
                        throw new IfSequenceParameterMismatchException();
                    }

                    bool condition = conditionCheck();

                    return(IfResult(condition));
                }

                bool IfExistCondition()
                {
                    CommandDefinition definition = dataSource.Value <CommandDefinition>();
                    Argument          argument   = definition?.Argument <Argument>(parameter);

                    return(argument != null ||
                           dataSource.HasContent(parameter));
                }

                bool IfSpecifiedCondition()
                {
                    CommandDefinition definition = dataSource.Value <CommandDefinition>();
                    Argument          argument   = definition?.Argument <Argument>(parameter);
                    bool specified;

                    if (argument != null)
                    {
                        specified = argument.IsDefined;
                    }
                    else
                    {
                        specified = dataSource.HasContent(parameter) &&
                                    !string.IsNullOrEmpty(dataSource[parameter].Value <string>());
                    }

                    return(specified);
                }

                string IfResult(bool condition)
                {
                    string result = string.Empty;

                    string[] elseSplit = content.Split(new[] { "$([else])" }, StringSplitOptions.RemoveEmptyEntries);
                    if (condition)
                    {
                        result = Resolve(elseSplit[0], dataSource);
                    }
                    else if (elseSplit.Length == 2)
                    {
                        result = Resolve(elseSplit[1], dataSource);
                    }

                    return(result);
                }

                string ForeachSequence()
                {
                    StringBuilder foreachResult = new StringBuilder();

                    if ((content.StartsWith("\n", StringComparison.Ordinal) ||
                         content.StartsWith("\r\n", StringComparison.Ordinal)) &&
                        (content.EndsWith("\n", StringComparison.Ordinal) ||
                         content.EndsWith("\r\n", StringComparison.Ordinal)))
                    {
                        //This would leads to unwanted empty lines
                        content = content.TrimStart('\r').TrimStart('\n');
                    }

                    string[] nameSplit = parameter.Split(new[] { "[in]" }, StringSplitOptions.RemoveEmptyEntries);
                    if (nameSplit.Length != 2)
                    {
                        throw new ForeachSequenceParameterMismatchException(parameter);
                    }

                    string elementName = nameSplit[0].Trim();

                    string[] ofTypeSplit =
                        nameSplit[1].Split(new[] { "[of-type]" }, StringSplitOptions.RemoveEmptyEntries);
                    string splitPart = ofTypeSplit.Length == 2 ? ofTypeSplit[1] : ofTypeSplit[0];

                    string[] split      = splitPart.Split(new[] { "[split]" }, StringSplitOptions.RemoveEmptyEntries);
                    string   collection = ofTypeSplit.Length == 2 ? ofTypeSplit[0].Trim() : split[0].Trim();
                    string   filter     = string.Empty;
                    string   splitSize  = split.Length == 2 ? split[1].Trim() : string.Empty;

                    if (!int.TryParse(splitSize, out int chunksize))
                    {
                        chunksize = -1;
                    }
                    if (ofTypeSplit.Length == 2)
                    {
                        filter = split.Length == 2 ? split[0].Trim() : ofTypeSplit[1].Trim();
                    }

                    string[]             path = collection.Split(new[] { '.' }, StringSplitOptions.RemoveEmptyEntries);
                    IEnumerable <Entity> data = ResolveRecursively(path);

                    if (!string.IsNullOrEmpty(filter))
                    {
                        data = data.Where(TemplateEqualsFilter);
                    }

                    ForeachItemContainer container = new ForeachItemContainer(elementName);

                    if (chunksize > 0)
                    {
                        var query = data.Select((entity, idx) => new { idx, entity });
                        IEnumerable <IEnumerable <Entity> > dataChunks = query.GroupBy(x => x.idx / chunksize, a => a.entity);
                        using (dataSource.AddTemporaryDataSource(container))
                            using (dataSource.SkipCaching(elementName))
                            {
                                foreach (IEnumerable <Entity> chunk in dataChunks)
                                {
                                    using (dataSource.SkipCaching(EntityKeys.ChunkStartKey))
                                        using (dataSource.SkipCaching(EntityKeys.ChunkEndKey))
                                        {
                                            string start = data.TakeWhile(x => !x.Equals(chunk.FirstOrDefault())).Count().ToString(CultureInfo.InvariantCulture);
                                            string end   = data.TakeWhile(x => !x.Equals(chunk.LastOrDefault())).Count().ToString(CultureInfo.InvariantCulture);

                                            if (dataSource is Entity)
                                            {
                                                Entity dataSourceEntity = dataSource as Entity;
                                                container.Current = dataSourceEntity.Create(Guid.NewGuid().ToByteString(), chunk);
                                                using (container.Current.AddTemporaryDataSource(new DataChunk(start, end)))
                                                    foreachResult.Append(Resolve(content, dataSource));
                                            }
                                            else
                                            {
                                                throw new FormattableException($"The datasource should be an entity but is of type {dataSource.GetType()}");
                                            }
                                        }
                                }
                            }
                    }
                    else
                    {
                        using (dataSource.AddTemporaryDataSource(container))
                            using (dataSource.SkipCaching(elementName))
                            {
                                foreach (Entity entity in data)
                                {
                                    container.Current = entity;
                                    foreachResult.Append(Resolve(content, dataSource));
                                }
                            }
                    }
                    return(foreachResult.ToString());

                    bool TemplateEqualsFilter(Entity entity)
                    {
                        return(entity.Template().TemplateNames(repository)
                               .Any(n => n.Equals(filter, StringComparison.OrdinalIgnoreCase)));
                    }
                }
            }

            string ResolveTemplateContent(string resolvable)
            {
                string result = resolvable;
                Match  controlSequenceMatch = templateAccessRegex.Match(resolvable);

                while (controlSequenceMatch.Success)
                {
                    string content = controlSequenceMatch.Groups["content"].Value;
                    if (content.StartsWith("[", StringComparison.Ordinal) &&
                        content.EndsWith("]", StringComparison.Ordinal))
                    {
                        throw new WildControlSequenceException(content);
                    }

                    string[] path  = content.Split(new[] { '.' }, StringSplitOptions.RemoveEmptyEntries);
                    string   value = (ResolveRecursively(path)).Value <string>();
                    if (controlSequenceMatch.Groups["text_control"].Success)
                    {
                        string textControlSequence = controlSequenceMatch.Groups["text_control"].Value;
                        textControlSequence = textControlSequence.Substring(0, textControlSequence.Length - 1);
                        value = ResolveTextControlSequences(value, textControlSequence);
                    }
                    result = result.Replace(controlSequenceMatch.Value, value);
                    controlSequenceMatch = controlSequenceMatch.NextMatch();
                }

                return(result);
            }

            IEntityBase ResolveRecursively(string[] path)
            {
                IEntityBase current = dataSource;

                foreach (string part in path)
                {
                    current = current[part];
                    if (current.HasValue <string>())
                    {
                        string value = Resolve(current.Value <string>(), current);
                        current.SetValue(value);
                    }
                }

                return(current);
            }

            int Count(string data, string substring)
            {
                return((data.Length - data.Replace(substring, string.Empty).Length) / substring.Length);
            }
        }
        public override Entity Resolve(Entity owner, string key, bool fallback = false)
        {
            TemplateEntity ownerTemplateEntity = TemplateEntity.Decorate(owner);

            if (key == EntityKeys.FieldArpDataTypeKey && owner.Type == EntityKeys.FormatKey)
            {
                return(ResolveArpDataType());
            }
            if (key == EntityKeys.TypeMetaDataFormatKey && owner.Type == EntityKeys.FormatKey)
            {
                return(ResolveTypeMetaDataFormat());
            }
            if (key == EntityKeys.ExpandHiddenTypesFormatKey)
            {
                return(ExpandHiddenTypes());
            }
            if (key == EntityKeys.FilterHiddenTypesFormatKey)
            {
                return(FilterHiddenTypes());
            }
            if (key == EntityKeys.IsFieldKey)
            {
                return(owner.Create(key, CodeEntity.Decorate(owner).AsField != null));
            }
            if (key == EntityKeys.IsTypeKey)
            {
                return(owner.Create(key, CodeEntity.Decorate(owner).AsType != null));
            }
            if (key == EntityKeys.BigDataProjectKey)
            {
                return(GetBigDataProjectEntity());
            }
            if (key == EntityKeys.NormalProjectKey)
            {
                return(GetNormalProjectEntity());
            }


            ISymbol symbol = owner.Value <ISymbol>();

            if (symbol != null)
            {
                Entity result = owner.PropertyValueEntity(key, symbol);
                if (result != null)
                {
                    return(result);
                }

                throw new ContentProviderException(key, owner);
            }

            if (key == EntityKeys.BaseDirectoryKey && HasBaseDirectory(owner, out string baseDirectory))
            {
                return(owner.Create(key, baseDirectory));
            }

            IType type = owner.Value <IType>();

            if (type != null)
            {
                return(ResolveType());
            }

            IField field = owner.Value <IField>();

            if (field != null)
            {
                return(ResolveField());
            }

            IDataType dataType = owner.Value <IDataType>();

            if (dataType != null)
            {
                return(ResolveDataType());
            }

            ICodeModel codeModel = owner.Value <ICodeModel>();

            if (codeModel != null)
            {
                return(ResolveCodeModel());
            }
            throw new ContentProviderException(key, owner);

            IEnumerable <CodeEntity> GetPortEnums()
            {
                return(GetAllPorts().Concat(GetPortStructures().SelectMany(p => p.Fields))
                       .Select(f => f.ResolvedType)
                       .Where(t => t.AsEnum != null)
                       .Distinct());
            }

            IEnumerable <CodeEntity> GetAllPorts()
            {
                bool IsPort(CodeEntity fieldEntity)
                {
                    return(fieldEntity.AsField != null &&
                           fieldEntity.AsField.HasAttributeWithoutValue(EntityKeys.PortAttributeKey));
                }

                return(TemplateEntity.Decorate(owner).EntityHierarchy
                       .Select(CodeEntity.Decorate)
                       .SelectMany(c => c.Fields)
                       .Where(IsPort));
            }

            IEnumerable <CodeEntity> GetPortStructures()
            {
                HashSet <CodeEntity> structures = new HashSet <CodeEntity>(GetAllPorts()
                                                                           .Select(f => f.ResolvedType)
                                                                           .Where(t => t.AsType != null &&
                                                                                  t.AsEnum == null),
                                                                           new FullNameCodeEntityComparer());

                HashSet <CodeEntity> visited = new HashSet <CodeEntity>(new FullNameCodeEntityComparer());

                while (structures.Except(visited).Any())
                {
                    foreach (CodeEntity structure in structures.Except(visited).ToArray())
                    {
                        foreach (CodeEntity structureField in structure.Fields)
                        {
                            CodeEntity structureDataType = structureField.ResolvedType;
                            if (structureDataType.AsType != null && structureDataType.AsEnum == null)
                            {
                                structures.Add(structureDataType);
                            }
                        }

                        visited.Add(structure);
                    }
                }

                return(structures);
            }

            Entity FilterHiddenTypes()
            {
                IEnumerable <IType> types = owner.Select(CodeEntity.Decorate)
                                            .Where(c => !c.IsHidden())
                                            .Select(c => c.AsType)
                                            .ToArray();
                string name = owner.FirstOrDefault()?.Name ?? string.Empty;

                return(owner.Create(key, types.Select(t => owner.Create(name, t.FullName, t))));
            }

            Entity ExpandHiddenTypes()
            {
                IEnumerable <CodeEntity> dataSourceFields = owner.Select(CodeEntity.Decorate);

                dataSourceFields = ExpandHiddenStructureFields(dataSourceFields);
                string name = owner.FirstOrDefault()?.Name ?? string.Empty;

                return(owner.Create(key, dataSourceFields.Select(e => e.AsField)
                                    .Select(f => owner.Create(name, f.Name, f))));

                IEnumerable <CodeEntity> ExpandHiddenStructureFields(IEnumerable <CodeEntity> fields)
                {
                    foreach (CodeEntity hiddenField in fields)
                    {
                        CodeEntity hiddenType = hiddenField.ResolvedType;
                        if (hiddenType == null || !hiddenType.IsHidden())
                        {
                            yield return(hiddenField);

                            continue;
                        }

                        foreach (CodeEntity hiddenTypeField in ExpandHiddenStructureFields(hiddenType.Fields))
                        {
                            yield return(hiddenTypeField);
                        }
                    }
                }
            }

            T ChooseMetaDataTemplate <T>(IEnumerable <(T template, string name, string context)> templates)
            {
                return(templates.OrderByDescending(t => ContextComplexity(t.context ?? string.Empty))
                       .FirstOrDefault(Matches)
                       .template);

                bool Matches((T template, string name, string context) template)
                {
                    if (!key.Equals(template.name, StringComparison.OrdinalIgnoreCase))
                    {
                        return(false);
                    }

                    if (string.IsNullOrEmpty(template.context))
                    {
                        return(true);
                    }
                    string[] contextPath = template.context.Split(new [] { '/', '\\' }, StringSplitOptions.RemoveEmptyEntries)
                                           .Reverse().ToArray();
                    Entity current = owner;

                    foreach (string part in contextPath)
                    {
                        current = current?.Owner;
                        if (current?[$"is{part}"].Value <bool>() != true)
                        {
                            return(false);
                        }
                    }

                    return(true);
                }

                int ContextComplexity(string context)
                {
                    return(context.Count(c => c == '/' || c == '\\'));
                }
            }

            Entity ResolveType()
            {
                switch (key)
                {
                case EntityKeys.PathKey:
                {
                    return(owner.Create(key, type.GetFile(owner).Parent.FullName));
                }

                case EntityKeys.FieldsKey:
                {
                    return(owner.Create(key, type.Fields.Select(f => owner.Create(key.Singular(), f.Name, f))));
                }

                case EntityKeys.FileKey:
                {
                    VirtualFile file = owner.Root.Value <ICodeModel>()
                                       .Types[type];
                    return(owner.Create(key, file.Name, file));
                }

                case EntityKeys.BaseTypeKey:
                {
                    IDataType baseType = type.BaseTypes.FirstOrDefault();
                    return(owner.Create(key, baseType));
                }

                default:
                {
                    if (TryResolveTypeTemplate(out Entity result))
                    {
                        return(result);
                    }

                    if (TryResolveProperty(out result))
                    {
                        return(result);
                    }

                    if (TryResolveFields(out result))
                    {
                        return(result);
                    }

                    if (TryResolveRelationship(out result))
                    {
                        return(result);
                    }

                    throw new ContentProviderException(key, owner);
                }
                }

                bool TryResolveTypeTemplate(out Entity result)
                {
                    Templates.Type.metaDataTemplate typeMetaDataTemplate = ChooseMetaDataTemplate(templateRepository.TypeTemplates
                                                                                                  .Select(t => (t, t.name, t.context)));
                    if (typeMetaDataTemplate != null)
                    {
                        result = GetTypeTemplateEntity(typeMetaDataTemplate);
                        return(true);
                    }

                    result = null;
                    return(false);

                    Entity GetTypeTemplateEntity(Templates.Type.metaDataTemplate metaDataTemplate)
                    {
                        if (!metaDataTemplate.hasvalue)
                        {
                            bool hasAttribute = type.HasAttributeWithoutValue(metaDataTemplate.name);
                            return(owner.Create(key, new Func <string>(hasAttribute.ToString), hasAttribute));
                        }
                        (string[] values, CodePosition position) = GetTypeTemplateValue();
                        IEnumerable <string> formattedValues = VerifyValues().ToArray();

                        return(metaDataTemplate.multiplicity == Templates.Type.multiplicity.OneOrMore
                                   ? owner.Create(key, formattedValues.Select(v => owner.Create(key.Singular(), v)))
                                   : owner.Create(key, formattedValues.First()));

                        IEnumerable <string> VerifyValues()
                        {
                            return(values.Select(VerifyValue));

                            string VerifyValue(string arg)
                            {
                                (bool success, string message, string newValue) = metaDataTemplate.ValueRestriction.Verify(arg);
                                if (!success)
                                {
                                    owner.AddCodeException(new FieldAttributeRestrictionException(metaDataTemplate.name, arg, message, position, type.GetFile(owner)));
                                }

                                return(newValue);
                            }
                        }

                        (string[], CodePosition) GetTypeTemplateValue()
                        {
                            IAttribute attribute = type.Attributes.LastOrDefault(a => a.Name.Equals(metaDataTemplate.name,
                                                                                                    StringComparison.OrdinalIgnoreCase));
                            string value = attribute?.Values.FirstOrDefault() ??
                                           resolver.Resolve(metaDataTemplate.defaultvalue, owner);

                            return(metaDataTemplate.multiplicity == Templates.Type.multiplicity.OneOrMore
                                        ? value.Split(new[] { metaDataTemplate.split }, StringSplitOptions.RemoveEmptyEntries)
                                        : new[] { value },
                                   attribute?.Position ?? new CodePosition(0, 0));
                        }
                    }
                }

                bool TryResolveProperty(out Entity result)
                {
                    result = owner.PropertyValueEntity(key, type);
                    return(result != null);
                }

                bool TryResolveFields(out Entity result)
                {
                    metaDataTemplate metaDataTemplate = templateRepository.FieldTemplates
                                                        .FirstOrDefault(t => t.name.Plural().Equals(key,
                                                                                                    StringComparison
                                                                                                    .OrdinalIgnoreCase));

                    if (metaDataTemplate != null)
                    {
                        IEnumerable <IField> fields = type.Fields
                                                      .Where(f => f.Attributes
                                                             .Any(a => a.Name
                                                                  .Equals(metaDataTemplate.name,
                                                                          StringComparison.OrdinalIgnoreCase)));
                        result = owner.Create(key, fields.Select(f => owner.Create(metaDataTemplate.name, f.Name, f)));
                        return(true);
                    }

                    result = null;
                    return(false);
                }

                bool TryResolveRelationship(out Entity result)
                {
                    templateRelationship[] relationships = owner.Template().Relationship;
                    templateRelationship   relationship  = relationships?.FirstOrDefault(r => r.name.Equals(key, StringComparison.OrdinalIgnoreCase))
                                                           ?? relationships?.FirstOrDefault(r => r.name.Equals(key.Singular(), StringComparison.OrdinalIgnoreCase));
                    TemplateDescription relationshipDescription = relationship != null?templateRepository.Template(relationship.type) : null;

                    if (relationshipDescription != null)
                    {
                        IEnumerable <string> names = type.Attributes
                                                     .Where(a => a.Name.Equals(relationship.name,
                                                                               StringComparison.OrdinalIgnoreCase))
                                                     .SelectMany(a => a.Values);
                        result = relationship.GetRelationship(relationshipDescription, owner, names.ToArray());
                        return(true);
                    }

                    result = null;
                    return(false);
                }
            }

            Entity ResolveField()
            {
                switch (key)
                {
                case EntityKeys.FieldNameKey:
                {
                    return(owner.Create(key, field.Name));
                }

                case EntityKeys.DataTypeKey:
                {
                    IDataType fieldDataType = GetRealFieldDataType();
                    return(owner.Create(key, fieldDataType.Name, fieldDataType));
                }

                case EntityKeys.ResolvedTypeKey:
                {
                    ICodeModel model         = owner.Root.Value <ICodeModel>();
                    IDataType  fieldDataType = field.DataType;
                    IType      realType      = fieldDataType.PotentialFullNames
                                               .Select(model.Type)
                                               .FirstOrDefault(t => t != null);
                    return(owner.Create(key, realType?.Name, realType));
                }

                case EntityKeys.MultiplicityKey:
                {
                    return(owner.Create(key, field.Multiplicity.Select(m => owner.Create(key, new Func <string>(m.ToString), m))));
                }

                default:
                {
                    metaDataTemplate metaDataTemplate = templateRepository.FieldTemplates
                                                        .FirstOrDefault(t => t.name.Equals(key,
                                                                                           StringComparison.OrdinalIgnoreCase));
                    if (metaDataTemplate != null)
                    {
                        return(GetFieldTemplateEntity(metaDataTemplate));
                    }
                    throw new ContentProviderException(key, owner);
                }
                }

                IDataType GetRealFieldDataType()
                {
                    ICodeModel rootCodeModel = owner.Root.Value <ICodeModel>();
                    IEnum      @enum         = field.DataType.PotentialFullNames.Select(n => rootCodeModel.GetEnum(n)).FirstOrDefault(e => e != null);

                    if (@enum != null)
                    {
                        (IDataType enumBaseType, _) = GetEnumBaseType(@enum);
                        return(enumBaseType);
                    }

                    return(field.DataType);
                }

                Entity GetFieldTemplateEntity(metaDataTemplate metaDataTemplate)
                {
                    if (!metaDataTemplate.hasvalue)
                    {
                        bool hasAttribute = field.HasAttributeWithoutValue(metaDataTemplate.name);
                        return(owner.Create(key, new Func <string>(hasAttribute.ToString), hasAttribute));
                    }
                    (string[] values, CodePosition position) = GetFieldTemplateValue();
                    IEnumerable <string> formattedValues = VerifyValues().ToArray();

                    return(metaDataTemplate.multiplicity == multiplicity.OneOrMore
                               ? owner.Create(key, formattedValues.Select(v => owner.Create(key.Singular(), v)))
                               : owner.Create(key, formattedValues.First()));

                    IEnumerable <string> VerifyValues()
                    {
                        return(values.Select(VerifyValue));

                        string VerifyValue(string arg)
                        {
                            (bool success, string message, string newValue) = metaDataTemplate.ValueRestriction.Verify(arg);
                            if (!success)
                            {
                                owner.AddCodeException(new FieldAttributeRestrictionException(metaDataTemplate.name, arg, message, position, field.GetFile(owner)));
                            }

                            return(newValue);
                        }
                    }

                    (string[], CodePosition) GetFieldTemplateValue()
                    {
                        IAttribute attribute = field.Attributes.LastOrDefault(a => a.Name.Equals(metaDataTemplate.name,
                                                                                                 StringComparison.OrdinalIgnoreCase));
                        string value = string.IsNullOrEmpty(attribute?.Values.FirstOrDefault())
                                           ? resolver.Resolve(metaDataTemplate.defaultvalue, owner)
                                           : attribute.Values.First();

                        return(metaDataTemplate.multiplicity == multiplicity.OneOrMore
                                    ? value.Split(new[] { metaDataTemplate.split }, StringSplitOptions.RemoveEmptyEntries)
                                    : new[] { value },
                               attribute?.Position ?? new CodePosition(0, 0));
                    }
                }
            }

            Entity ResolveCodeModel()
            {
                switch (key)
                {
                case EntityKeys.PortStructsKey:
                {
                    return(owner.Create(key, GetPortStructures().Select(c => c.Base)));
                }

                case EntityKeys.PortEnumsKey:
                {
                    return(owner.Create(key, GetPortEnums().Select(c => c.Base)));
                }

                case EntityKeys.NamespaceKey:
                {
                    bool prior206Target = CheckProjectTargets();
                    IEnumerable <string> relevantTypes = TemplateEntity.Decorate(owner).EntityHierarchy
                                                         .Select(CodeEntity.Decorate)
                                                         .Where(c => !c.IsRoot())
                                                         .Select(c => c.FullName);
                    string ns = prior206Target
                                        ? codeModel.RootNamespaceForOldTarget(
                        relevantTypes.ToArray(), GetPortStructures().Concat(GetPortEnums())
                        .Select(c => c.FullName)
                        .ToArray())
                                        : codeModel.RootNamespace(relevantTypes.ToArray());
                    if (string.IsNullOrEmpty(ns))
                    {
                        ns = owner.Name;
                    }

                    return(owner.Create(key, ns));
                }

                default:
                    throw new ContentProviderException(key, owner);
                }

                bool CheckProjectTargets()
                {
                    IEnumerable <TargetEntity> targets = ProjectEntity.Decorate(owner).Targets.Select(t => TargetEntity.Decorate(t));

                    return(targets.Any(t => t.Version < new Version(20, 6)));
                }
            }

            Entity ResolveDataType()
            {
                switch (key)
                {
                case EntityKeys.NameKey:
                    return(owner.Create(key, dataType.Name));

                case EntityKeys.FullNameKey:
                    string fullName = GetDataTypeFullName();
                    return(owner.Create(key, fullName));

                default:
                    throw new ContentProviderException(key, owner);
                }

                string GetDataTypeFullName()
                {
                    ICodeModel rootCodeModel = owner.Root.Value <ICodeModel>();

                    return(dataType.PotentialFullNames.FirstOrDefault(fn => rootCodeModel.Type(fn) != null)
                           ?? dataType.Name);
                }
            }

            Entity ResolveTypeMetaDataFormat()
            {
                IEntityBase dataSource         = ownerTemplateEntity.FormatOrigin;
                IDataType   dataSourceDataType = dataSource.HasValue <IDataType>()
                                                   ? dataSource.Value <IDataType>()
                                                   : dataSource.Value <IField>().DataType;

                ICodeModel rootCodeModel = dataSource.Root.Value <ICodeModel>();
                string     dataTypeName  = string.Empty;

                if (dataSourceDataType != null)
                {
                    dataTypeName = dataSourceDataType.PotentialFullNames
                                   .Select(n => rootCodeModel.Type(n))
                                   .FirstOrDefault(t => t != null)
                                   ?.Name
                                   ?? datatypeConversion.Convert(dataSourceDataType);
                }

                return(owner.Create(key, dataTypeName));
            }

            Entity ResolveArpDataType()
            {
                IEntityBase dataSource      = ownerTemplateEntity.FormatOrigin;
                IField      dataSourceField = dataSource.Value <IField>();

                if (dataSourceField == null)
                {
                    throw new FormatTargetMismatchException("arpDataType", "field|port", dataSource.Type);
                }

                ICodeModel rootCodeModel = dataSource.Root.Value <ICodeModel>();
                bool       isStruct      = dataSourceField.DataType.PotentialFullNames.Any(n => rootCodeModel.GetClass(n) != null || rootCodeModel.GetStructure(n) != null);
                IEnum      @enum         = dataSourceField.DataType.PotentialFullNames.Select(n => rootCodeModel.GetEnum(n)).FirstOrDefault(e => e != null);
                bool       isArray       = dataSourceField.Multiplicity.Any();
                string     arpName       = "DataType::" + GetArpDataType(dataSourceField.DataType.Name);

                return(owner.Create(key, arpName));

                string GetArpDataType(string dataTypeName)
                {
                    string postfix = isArray ? " | DataType::Array" : string.Empty;

                    if (isStruct)
                    {
                        return("Struct" + postfix);
                    }

                    if (@enum != null)
                    {
                        (IDataType enumBaseType, string formattedBaseType) = GetEnumBaseType(@enum);

                        return($"Enum | DataType::{formattedBaseType}" + postfix);
                    }

                    (bool success, string value) = FormatDataType(dataTypeName);

                    if (!success)
                    {
                        throw new UnknownDataTypeException(value);
                    }

                    return(value + postfix);
                }
            }

            (bool success, string value) FormatDataType(string unformattedValue)
            {
                if (unformattedValue.Contains('<'))
                {
                    unformattedValue = unformattedValue.Substring(0, unformattedValue.IndexOf('<'));
                }

                string result      = owner.Create("temporaryCtnFormatContainer", unformattedValue).Format()["knownDataTypes"].Value <string>();
                Match  unkownMatch = UnkownDataTypeRegex.Match(result);

                if (unkownMatch.Success)
                {
                    return(false, unkownMatch.Groups["dataType"].Value);
                }

                return(true, result);
            }

            (IDataType, string) GetEnumBaseType(IEnum @enum)
            {
                IDataType enumDataType = @enum.BaseTypes.FirstOrDefault();
                string    enumBaseType = enumDataType?.Name;

                if (string.IsNullOrEmpty(enumBaseType))
                {
                    throw new MissingEnumDataTypeException(@enum);
                }

                (bool formatted, string formattedBaseType) = FormatDataType(enumBaseType);
                if (!formatted)
                {
                    throw new UnkownEnumDataTypeException(formattedBaseType, @enum);
                }

                return(enumDataType, formattedBaseType);
            }

            Entity GetBigDataProjectEntity()
            {
                if (HasMoreThan1000Fields())
                {
                    return(owner.Create(key, "true", true));
                }
                return(owner.Create(key, "false", false));
            }

            Entity GetNormalProjectEntity()
            {
                if (HasMoreThan1000Fields())
                {
                    return(owner.Create(key, "false", false));
                }
                return(owner.Create(key, "true", true));
            }

            bool HasMoreThan1000Fields()
            {
                ICodeModel model = owner.Value <ICodeModel>();

                if (model == null ||
                    GetAllPorts().Concat(GetPortStructures().SelectMany(s => s.Fields)).Count() <= 1000)
                {
                    return(false);
                }
                return(true);
            }
        }