protected override Task <ExpandoObject> ReadLineAsync(string currentLine, IRecordDescriptor descriptor)
{
return(Task.Run(() =>
{
var item = new ExpandoObject();
string[] fieldsValue = currentLine.Split(((DelimitedRecordDescriptor)Descriptor).Delimiter);
int index = 0;
foreach (KeyValuePair <string, IFieldInfoTypeDescriptor> fieldInfoTypeDescriptor in descriptor.Fields)
{
string fieldValue = index >= fieldsValue.Length ? null : fieldsValue[index];
item.TryAdd(
fieldInfoTypeDescriptor.Key,
fieldInfoTypeDescriptor.Value.IsArray
? ((IDelimitedArrayFieldInfoDescriptor)fieldInfoTypeDescriptor.Value)
.StringToArray(fieldValue, Descriptor.NullChar)
: ((IFieldInfoDescriptor)fieldInfoTypeDescriptor.Value)
.StringToRecord(fieldValue, Descriptor.NullChar)
);
index++;
}
return item;
}));
}
private static string GenerateCode(this IRecordDescriptor descriptor, string language, string className, string @namespace)
{
var codeNamespace = new CodeNamespace(@namespace);
codeNamespace.Imports.Add(new CodeNamespaceImport("System"));
codeNamespace.GenerateClass(descriptor, className, out bool hasArrayType);
if (hasArrayType)
{
codeNamespace.Imports.Add(new CodeNamespaceImport("System.Collections.Generic"));
}
var targetUnit = new CodeCompileUnit();
targetUnit.Namespaces.Add(codeNamespace);
var provider = CodeDomProvider.CreateProvider(language);
var options = new CodeGeneratorOptions
{
BracingStyle = "C",
BlankLinesBetweenMembers = true
};
var sb = new StringBuilder();
using (var writer = new StringWriterWithEncoding(sb, Encoding.UTF8))
{
provider.GenerateCodeFromCompileUnit(targetUnit, writer, options);
}
return(sb.ToString());
}
private ExpandoObject ReadElement(XElement element, IRecordDescriptor descriptor)
{
var item = new ExpandoObject();
foreach (KeyValuePair <string, IFieldInfoTypeDescriptor> fieldInfoTypeDescriptor in descriptor.Fields)
{
string propertyName = string.IsNullOrWhiteSpace(((IXmlFieldPropertyNameInfoDescriptor)fieldInfoTypeDescriptor.Value).PropertyName)
? fieldInfoTypeDescriptor.Key
: ((IXmlFieldPropertyNameInfoDescriptor)fieldInfoTypeDescriptor.Value).PropertyName;
if (fieldInfoTypeDescriptor.Value.IsArray)
{
item.TryAdd(propertyName,
((IXmlArrayFieldInfoDescriptor)fieldInfoTypeDescriptor.Value).ToRecordArray(
fieldInfoTypeDescriptor.Key,
element
));
continue;
}
item.TryAdd(propertyName,
((IXmlFieldInfoDescriptor)fieldInfoTypeDescriptor.Value).ToRecord(fieldInfoTypeDescriptor.Key, element)
);
}
return(item);
}
public static FixedArrayFieldInfoBuilder AddSubArray(this IRecordDescriptor recordInfo, string fieldName)
{
if (string.IsNullOrWhiteSpace(fieldName))
{
throw new BadFluentConfigurationException($"The {nameof(fieldName)} cannot be null or empty");
}
var fieldInfo = new FixedArrayFieldInfoBuilder();
recordInfo.Add(fieldName, fieldInfo);
return(fieldInfo);
}
public static DelimitedArrayFieldInfoBuilder AddArray(this IRecordDescriptor descriptor, string name)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new BadFluentConfigurationException($"The {nameof(name)} cannot be null or empty");
}
var fieldInfo = new DelimitedArrayFieldInfoBuilder();
descriptor.Add(name, fieldInfo);
return(fieldInfo);
}
private static void GenerateClass(this CodeNamespace codeNamespace, IRecordDescriptor descriptor, string className, out bool hasArrayType)
{
var targetClass = new CodeTypeDeclaration(className)
{
IsClass = true,
TypeAttributes = System.Reflection.TypeAttributes.Public | System.Reflection.TypeAttributes.Sealed
};
targetClass.AddProperties(codeNamespace, descriptor, out hasArrayType);
codeNamespace.Types.Add(targetClass);
}
protected FluentEngine(IRecordDescriptor descriptor, Encoding encoding = null) : this(encoding)
{
CheckDescriptor(descriptor);
RecordItems = new List <RecordItem>
{
new RecordItem
{
Name = DefaultRecordItemName,
Descriptor = descriptor,
RegexPattern = string.Empty
}
};
}
private static DataTable CreateDataTableCore(IRecordDescriptor descriptor)
{
DataTable table = new DataTable();
table.Locale = CultureInfo.CurrentCulture;
table.ExtendedProperties.Add(typeof(IRecordDescriptor), descriptor.Copy());
int fieldCount = descriptor.FieldCount;
for (int i = 0; i < fieldCount; i++)
table.Columns.Add(
descriptor.GetFieldName(i),
descriptor.GetFieldType(i));
return table;
}
protected void CheckDescriptor(IRecordDescriptor descriptor, bool isArray = false)
{
if (!descriptor.Fields.Any())
{
throw new BadFluentConfigurationException(isArray ? "The array property has no fields" : "The builder has no fields");
}
foreach (KeyValuePair <string, IFieldInfoTypeDescriptor> fieldInfoDescriptor in descriptor.Fields)
{
if (string.IsNullOrWhiteSpace(fieldInfoDescriptor.Key))
{
throw new BadFluentConfigurationException();
}
CheckFieldDescriptor(fieldInfoDescriptor.Key, fieldInfoDescriptor.Value);
}
}
private static void CreateArray(IRecordDescriptor descriptor, dynamic fieldInfo)
{
var arrayBuilder = descriptor.AddArray((string)fieldInfo.Name);
dynamic fieldInfoValue = fieldInfo.Value;
if (fieldInfoValue.ArrayLength != null)
{
arrayBuilder.SetArrayLength((int)fieldInfoValue.ArrayLength.Value);
}
if (fieldInfoValue.ArrayItemLength != null)
{
arrayBuilder.SetArrayItemLength((int)fieldInfoValue.ArrayItemLength.Value);
}
if (fieldInfoValue.Align != null)
{
arrayBuilder.SetAlign((bool)fieldInfoValue.Align.Value);
}
if (fieldInfoValue.AlignChar != null && !string.IsNullOrWhiteSpace((string)fieldInfoValue.AlignChar.Value))
{
arrayBuilder.SetAlignChar(((string)fieldInfoValue.AlignChar.Value)[0]);
}
if (fieldInfoValue.Fields == null)
{
return;
}
foreach (dynamic field in fieldInfoValue.Fields)
{
if (field.Name == null || field.Value == null)
{
continue;
}
if (field.Value.IsArray != null && (bool)field.Value.IsArray.Value)
{
CreateArray(arrayBuilder, field);
continue;
}
CreateField(arrayBuilder, field);
}
}
private static void CreateField(IRecordDescriptor descriptor, dynamic fieldInfo)
{
var fieldBuilder = descriptor.AddField((string)fieldInfo.Name);
dynamic fieldInfoValue = fieldInfo.Value;
if (fieldInfoValue.Length != null)
{
fieldBuilder.SetLength((int)fieldInfoValue.Length.Value);
}
if (fieldInfoValue.Converter != null)
{
fieldBuilder.SetConverter(Type.GetType(fieldInfoValue.Converter.Value));
}
if (fieldInfoValue.NullValue != null)
{
fieldBuilder.SetNullValue(fieldInfoValue.NullValue.Value);
}
if (fieldInfoValue.AlignMode != null)
{
fieldBuilder.SetAlignMode((AlignMode)fieldInfoValue.AlignMode.Value);
}
if (fieldInfoValue.AlignChar != null && !string.IsNullOrWhiteSpace((string)fieldInfoValue.AlignChar.Value))
{
fieldBuilder.SetAlignChar(((string)fieldInfoValue.AlignChar.Value)[0]);
}
if (fieldInfoValue.ConverterFormat != null)
{
fieldBuilder.SetConverterFormat((string)fieldInfoValue.ConverterFormat.Value);
}
if (fieldInfoValue.TrimMode != null)
{
fieldBuilder.SetTrimMode((TrimMode)fieldInfoValue.TrimMode.Value);
}
if (fieldInfoValue.Type != null)
{
fieldBuilder.SetType(Type.GetType(fieldInfoValue.Type.Value));
}
}
public static string GenerateVisualBasicClass(this IRecordDescriptor descriptor, string className, string @namespace) =>
descriptor.GenerateCode("visualbasic", className, @namespace);
public static string GenerateCSharpClass(this IRecordDescriptor descriptor, string className, string @namespace) =>
descriptor.GenerateCode("CSharp", className, @namespace);
internal static IRecordDescriptor Copy(IRecordDescriptor metadata)
{
return new Descriptor(metadata);
}
internal Descriptor(IRecordDescriptor metadata)
: this(metadata.FieldCount)
{
for (int i = 0; i < _names.Length; i++)
{
string fieldName = metadata.GetFieldName(i);
_names[i] = fieldName;
_types[i] = metadata.GetFieldType(i);
_ordinals.Add(fieldName, i);
}
}
public DelimitedFluentEngine(
IRecordDescriptor descriptor,
Encoding encoding = null) : base(descriptor, encoding)
{
}
private static void AddProperties(this CodeTypeDeclaration targetClass, CodeNamespace codeNamespace, IRecordDescriptor descriptor, out bool hasArrayType)
{
hasArrayType = false;
foreach (var field in descriptor.Fields)
{
if (field.Value.IsArray)
{
codeNamespace.GenerateClass((IRecordDescriptor)field.Value, $"{field.Key}Item", out hasArrayType);
targetClass.AddArrayProperty(field.Key, $"{field.Key}Item");
hasArrayType = true;
continue;
}
targetClass.AddProperty(field.Key, field.Value);
}
}
public FluentFixedEngine(IRecordDescriptor descriptor, Encoding encoding) : base(descriptor, encoding)
{
}
protected override Task <ExpandoObject> ReadLineAsync(string currentLine, IRecordDescriptor descriptor)
{
throw new NotImplementedException();
}
protected abstract Task <ExpandoObject> ReadLineAsync(string currentLine, IRecordDescriptor descriptor);
protected virtual Task <ExpandoObject> ReadLineAsync(string currentLine, IRecordDescriptor descriptor)
{
return(null);
}
protected FluentEventEngineBase(IRecordDescriptor descriptor, Encoding encoding = null) : base(descriptor, encoding)
{
}
public DelimitedFluentEngine(IRecordDescriptor descriptor) : base(descriptor)
{
}
protected FluentEngineBase(IRecordDescriptor descriptor)
: this(descriptor, Encoding.UTF8)
{
}
public XmlFluentEngine(IRecordDescriptor descriptor, Encoding encoding) : base(descriptor, encoding)
{
}
protected FluentEngineBase(IRecordDescriptor descriptor, Encoding encoding)
{
CheckDescriptor(descriptor);
Encoding = encoding;
Descriptor = descriptor;
}
public FluentFixedEngine(IRecordDescriptor descriptor) : base(descriptor)
{
}
protected override async Task <ExpandoObject> ReadLineAsync(string currentLine, IRecordDescriptor descriptor) =>
await Task.Run(() =>
{
var item = new ExpandoObject();
string[] fieldsValue = currentLine.Split(new string[] { ((DelimitedRecordDescriptor)descriptor).Delimiter }, StringSplitOptions.RemoveEmptyEntries);
int index = 0;
foreach (KeyValuePair <string, IFieldInfoTypeDescriptor> fieldInfoTypeDescriptor in descriptor.Fields)
{
if (fieldInfoTypeDescriptor.Value.IsArray)
{
continue;
}
string fieldValue = index >= fieldsValue.Length ? null : fieldsValue[index];
item.InternalTryAdd(fieldInfoTypeDescriptor.Key,
((IFieldInfoDescriptor)fieldInfoTypeDescriptor.Value).StringToRecord(fieldValue, descriptor.NullChar));
index++;
}
return(item);
});
protected override async Task <ExpandoObject> ReadLineAsync(string currentLine, IRecordDescriptor descriptor)
{
return(await Task.Run(() =>
{
var item = new ExpandoObject();
var offset = 0;
foreach (KeyValuePair <string, IFieldInfoTypeDescriptor> fieldInfoTypeDescriptor in descriptor.Fields)
{
if (fieldInfoTypeDescriptor.Value.IsArray)
{
item.TryAdd(fieldInfoTypeDescriptor.Key,
((IArrayFieldInfoDescriptor)fieldInfoTypeDescriptor.Value).StringToArray(currentLine,
ref offset));
continue;
}
item.TryAdd(fieldInfoTypeDescriptor.Key,
((IFixedFieldInfoDescriptor)fieldInfoTypeDescriptor.Value).StringToRecord(currentLine, ref offset));
}
return item;
}));
}
public XmlFluentEngine(IRecordDescriptor descriptor) : base(descriptor)
{
}