/// <summary>
/// Create a list of fields we are extracting and set
/// the size hint for record I/O
/// </summary>
private void InitRecordFields()
{
//Debug.Assert(false, "TODO: Add RecordFilter to the engine.");
var recordAttribute = Attributes.GetFirstInherited <TypedRecordAttribute>(RecordType);
if (recordAttribute == null)
{
throw new BadUsageException(Messages.Errors.ClassWithOutRecordAttribute
.ClassName(RecordType.Name)
.Text);
}
if (ReflectionHelper.GetDefaultConstructor(RecordType) == null)
{
throw new BadUsageException(Messages.Errors.ClassWithOutDefaultConstructor
.ClassName(RecordType.Name)
.Text);
}
Attributes.WorkWithFirst <IgnoreFirstAttribute>(
RecordType,
a => IgnoreFirst = a.NumberOfLines);
Attributes.WorkWithFirst <IgnoreLastAttribute>(
RecordType,
a => IgnoreLast = a.NumberOfLines);
Attributes.WorkWithFirst <IgnoreEmptyLinesAttribute>(
RecordType,
a =>
{
IgnoreEmptyLines = true;
IgnoreEmptySpaces = a.mIgnoreSpaces;
});
Attributes.WorkWithFirst <IgnoreCommentedLinesAttribute>(
RecordType,
a =>
{
IgnoreEmptyLines = true;
CommentMarker = a.mCommentMarker;
CommentAnyPlace = a.mAnyPlace;
});
Attributes.WorkWithFirst <ConditionalRecordAttribute>(
RecordType,
a =>
{
RecordCondition = a.Condition;
RecordConditionSelector = a.ConditionSelector;
if (RecordCondition == RecordCondition.ExcludeIfMatchRegex ||
RecordCondition == RecordCondition.IncludeIfMatchRegex)
{
RecordConditionRegEx = new Regex(RecordConditionSelector,
RegexOptions.Compiled | RegexOptions.IgnoreCase |
RegexOptions.ExplicitCapture);
}
});
if (CheckGenericInterface(RecordType, typeof(INotifyRead <>), RecordType))
{
NotifyRead = true;
}
if (CheckGenericInterface(RecordType, typeof(INotifyWrite <>), RecordType))
{
NotifyWrite = true;
}
// Create fields
// Search for cached fields
var fields = new List <FieldInfo>(ReflectionHelper.RecursiveGetFields(RecordType));
Fields = CreateCoreFields(fields, recordAttribute);
FieldCount = Fields.Length;
if (FieldCount == 0)
{
throw new BadUsageException(Messages.Errors.ClassWithOutFields
.ClassName(RecordType.Name)
.Text);
}
if (recordAttribute is FixedLengthRecordAttribute)
{
// Defines the initial size of the StringBuilder
SizeHint = 0;
for (int i = 0; i < FieldCount; i++)
{
SizeHint += ((FixedLengthField)Fields[i]).FieldLength;
}
}
}
/// <summary>
/// Create a list of fields we are extracting and set
/// the size hint for record I/O
/// </summary>
private void InitRecordFields()
{
var recordAttribute = Attributes.GetFirstInherited <TypedRecordAttribute>(RecordType);
if (recordAttribute == null)
{
throw new BadUsageException($"The record class {RecordType.Name} must be marked with the [DelimitedRecord] or [FixedLengthRecord] Attribute");
}
if (ReflectionHelper.GetDefaultConstructor(RecordType) == null)
{
throw new BadUsageException($"The record class {RecordType.Name} needs a constructor with no args (public or private)");
}
Attributes.WorkWithFirst <IgnoreFirstAttribute>(
RecordType,
a => IgnoreFirst = a.NumberOfLines);
Attributes.WorkWithFirst <IgnoreLastAttribute>(
RecordType,
a => IgnoreLast = a.NumberOfLines);
Attributes.WorkWithFirst <IgnoreEmptyLinesAttribute>(
RecordType,
a => {
IgnoreEmptyLines = true;
IgnoreEmptySpaces = a.IgnoreSpaces;
});
#pragma warning disable CS0618 // Type or member is obsolete
Attributes.WorkWithFirst <IgnoreCommentedLinesAttribute>(
#pragma warning restore CS0618 // Type or member is obsolete
RecordType,
a => {
IgnoreEmptyLines = true;
CommentMarker = a.CommentMarker;
CommentAnyPlace = a.AnyPlace;
});
Attributes.WorkWithFirst <ConditionalRecordAttribute>(
RecordType,
a => {
RecordCondition = a.Condition;
RecordConditionSelector = a.ConditionSelector;
if (RecordCondition == RecordCondition.ExcludeIfMatchRegex ||
RecordCondition == RecordCondition.IncludeIfMatchRegex)
{
RecordConditionRegEx = new Regex(RecordConditionSelector,
RegexOptions.Compiled | RegexOptions.IgnoreCase |
RegexOptions.ExplicitCapture);
}
});
if (CheckInterface(RecordType, typeof(INotifyRead)))
{
NotifyRead = true;
}
if (CheckInterface(RecordType, typeof(INotifyWrite)))
{
NotifyWrite = true;
}
// Create fields
// Search for cached fields
var fields = new List <FieldInfo>(ReflectionHelper.RecursiveGetFields(RecordType));
Fields = CreateCoreFields(fields, recordAttribute);
if (FieldCount == 0)
{
throw new BadUsageException($"The record class {RecordType.Name} doesn't contain any fields");
}
if (recordAttribute is FixedLengthRecordAttribute)
{
// Defines the initial size of the StringBuilder
SizeHint = 0;
for (int i = 0; i < FieldCount; i++)
{
SizeHint += ((FixedLengthField)Fields[i]).FieldLength;
}
}
}
