public void Add(StringSlice slice)
{
if (Count == Lines.Length)
{
IncreaseCapacity();
}
Lines[Count++] = new StringLine(ref slice);
}
public void Add(ref StringLine line)
{
if (Count == Lines.Length)
{
IncreaseCapacity();
}
Lines[Count++] = line;
}
/// <summary>
/// Converts the lines to a single <see cref="StringSlice"/> by concatenating the lines.
/// </summary>
/// <param name="lineOffsets">The position of the `\n` line offsets from the beginning of the returned slice.</param>
/// <returns>A single slice concatenating the lines of this instance</returns>
public readonly StringSlice ToSlice(List <LineOffset>?lineOffsets = null)
{
// Optimization case for a single line.
if (Count == 1)
{
ref StringLine line = ref Lines[0];
lineOffsets?.Add(new LineOffset(line.Position, line.Column, line.Slice.Start - line.Position, line.Slice.Start, line.Slice.End + 1));
return(Lines[0]);
}
/// <summary>
/// Initializes a new instance of the <see cref="StringLineGroup"/> class.
/// </summary>
/// <param name="capacity"></param>
public StringLineGroup(int capacity)
{
if (capacity <= 0)
{
throw new ArgumentOutOfRangeException(nameof(capacity));
}
Lines = new StringLine[capacity];
Count = 0;
}
/// <summary>
/// Initializes a new instance of the <see cref="StringLineGroup"/> class.
/// </summary>
/// <param name="text">The text.</param>
/// <exception cref="System.ArgumentNullException"></exception>
public StringLineGroup(string text)
{
if (text == null)
{
throw new ArgumentNullException(nameof(text));
}
Lines = new StringLine[1];
Count = 0;
Add(new StringSlice(text));
}
/// <summary>
/// Removes the line at the specified index.
/// </summary>
/// <param name="index">The index.</param>
public void RemoveAt(int index)
{
if (index != Count - 1)
{
Array.Copy(Lines, index + 1, Lines, index, Count - index - 1);
}
Lines[Count - 1] = new StringLine();
Count--;
}
/// <summary>
/// Initializes a new instance of the <see cref="StringLineGroup"/> class.
/// </summary>
/// <param name="text">The text.</param>
/// <exception cref="ArgumentNullException"></exception>
public StringLineGroup(string text)
{
if (text == null)
{
ThrowHelper.ArgumentNullException_text();
}
Lines = new StringLine[1];
Count = 0;
Add(new StringSlice(text));
}
private void IncreaseCapacity()
{
var newItems = new StringLine[Lines.Length * 2];
if (Count > 0)
{
Array.Copy(Lines, 0, newItems, 0, Count);
}
Lines = newItems;
}
/// <summary>
/// Removes the line at the specified index.
/// </summary>
/// <param name="index">The index.</param>
public void RemoveAt(int index)
{
if (Count - 1 == index)
{
Count--;
}
else
{
Array.Copy(Lines, index + 1, Lines, index, Count - index - 1);
Lines[Count - 1] = new StringLine();
Count--;
}
}