/// <summary>
/// Creates and seeds a new part.
/// </summary>
/// <param name="item">The item this part should belong to.</param>
/// <param name="location">The location.</param>
/// <param name="baseText">The base text.</param>
/// <returns>A new fragment.</returns>
/// <exception cref="ArgumentNullException">item or location or
/// baseText</exception>
public override ITextLayerFragment GetFragment(
IItem item, string location, string baseText)
{
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
if (location == null)
{
throw new ArgumentNullException(nameof(location));
}
if (baseText == null)
{
throw new ArgumentNullException(nameof(baseText));
}
// find 1st letter
int i = 0;
while (i < baseText.Length)
{
if (char.IsLetter(baseText[i]))
{
break;
}
i++;
}
if (i == baseText.Length)
{
return(null);
}
// change it
string standard = ChangeLetterAt(baseText, i);
// create operation
MspOperation op = new MspOperation
{
Operator = MspOperator.Replace,
RangeA = new TextRange(i, 1),
ValueA = new string(baseText[i], 1),
ValueB = new string(standard[i], 1),
Tag = _options?.Tags?.Length > 0
? SeedHelper.RandomPickOneOf(_options.Tags) : null
};
OrthographyLayerFragment fragment = new OrthographyLayerFragment
{
Location = location,
Standard = standard
};
fragment.Operations.Add(op.ToString());
return(fragment);
}
public void ToString_Delete_Ok(string tag, string note, string expected)
{
MspOperation op = new MspOperation
{
Operator = MspOperator.Delete,
RangeA = TextRange.Parse("2x3"),
Tag = tag,
Note = note
};
Assert.Equal(expected, op.ToString());
}
public void ToString_Insert_Ok(string tag, string note, string expected)
{
MspOperation op = new MspOperation
{
Operator = MspOperator.Insert,
RangeA = TextRange.Parse("2x0"),
ValueB = "new",
Tag = tag,
Note = note
};
Assert.Equal(expected, op.ToString());
}
public void ToString_ReplaceWithValueA_Ok(string tag, string note, string expected)
{
MspOperation op = new MspOperation
{
Operator = MspOperator.Replace,
RangeA = TextRange.Parse("2x3"),
ValueA = "old",
ValueB = "new",
Tag = tag,
Note = note
};
Assert.Equal(expected, op.ToString());
}
