/// <summary>
/// Inserts the specified <see cref="Strip"/> behind target strip
/// at given offset.
/// </summary>
/// <param name="inserted">The inserted strip.</param>
/// <param name="target">The target strip.</param>
/// <param name="offset">The offset in target strip where data will be placed.</param>
private void insert(Strip inserted, Strip target, int offset)
{
target.Split(offset);
inserted.Next = target.Next;
target.Next = inserted;
}
/// <summary>
/// Writes data at the specified offset.
/// </summary>
/// <param name="offset">The offset where data will be written.</param>
/// <param name="data">The data that will be written.</param>
public void Write(int offset, string data)
{
var strip = getStrip(offset);
var nStrip = new Strip(data);
insert(nStrip, strip, offset);
}
/// <summary>
/// Initializes a new instance of the <see cref="Strip"/> class.
/// </summary>
/// <param name="toClone">To clone.</param>
internal Strip(Strip toClone)
{
Data = toClone.Data;
StartingOffset = toClone.StartingOffset;
IsOriginal = toClone.IsOriginal;
if (toClone.Next != null)
{
Next = new Strip(toClone.Next);
}
}
/// <summary>
/// Get strip containing given offset.
/// </summary>
/// <param name="offset">Searched offset.</param>
/// <param name="startStrip">The start strip.</param>
/// <returns>Strip containing given offset.</returns>
private Strip getStrip(int offset, Strip startStrip = null)
{
if (startStrip == null)
{
startStrip = _root;
}
while (startStrip != null)
{
if (startStrip.Contains(offset))
{
return(startStrip);
}
startStrip = startStrip.Next;
}
return(null);
}
/// <summary>
/// Splits the specified offset.
/// </summary>
/// <param name="offset">The offset.</param>
/// <exception cref="System.NotSupportedException">Cannot split according to not contained offset</exception>
internal void Split(int offset)
{
if (!Contains(offset))
{
throw new NotSupportedException("Cannot split according to not contained offset");
}
if (offset == EndingOffset)
{
//there is no need to split strip
return;
}
var splitLine = offset - StartingOffset;
var part1 = Data.Substring(0, splitLine);
var part2 = Data.Substring(splitLine);
Data = part1;
var strip = new Strip(part2, offset);
strip.Next = this.Next;
this.Next = strip;
}
/// <summary>
/// Initializes a new instance of the <see cref="StripManager" /> class
/// from given strip manager, which data will be cloned.
/// </summary>
/// <param name="toClone">The manager that will be cloned.</param>
public StripManager(StripManager toClone)
{
_root = new Strip(toClone._root);
}
/// <summary>
/// Initializes a new instance of the <see cref="StripManager" /> class
/// from given source code data.
/// </summary>
/// <param name="data">The source code.</param>
public StripManager(string data)
{
_root = new Strip(data, 0);
}