public static string UseStyles(LinkedList <RichTextStyle> styles, string text, RichTextType type = RichTextType.gui_style, int offset = 0)
{
if (text == null || styles == null || styles.Count == 0)
{
return(text);
}
int len = text.Length;
System.Text.StringBuilder builder = new System.Text.StringBuilder(text);
LinkedListNode <RichTextStyle> node = styles.Last;
while (node != null)
{
RichTextStyle set = node.Value;
node = node.Previous;
if (set.start + offset >= len)
{
continue;
}
TextTag tag = set.EndTag(type);
if (!string.IsNullOrEmpty(tag.tag))
{
builder.Insert(Mathf.Clamp(tag.offset + offset, 0, len), tag.tag);
}
tag = set.StartTag(type);
if (!string.IsNullOrEmpty(tag.tag))
{
builder.Insert(Mathf.Clamp(tag.offset + offset, 0, len), tag.tag);
}
}
return(builder.ToString());
}
public static void Optimization(LinkedList <RichTextStyle> settings)
{
if (settings == null || settings.Count < 2)
{
return;
}
LinkedListNode <RichTextStyle> node1 = settings.First;
LinkedListNode <RichTextStyle> node2 = node1.Next;
while (node1 != null && node2 != null)
{
RichTextStyle r1 = node1.Value;
RichTextStyle r2 = node2.Value;
if (r1.end == r2.start && RichTextStyle.SameStyle(r1, r2))
{
r1.end = r2.end;
node1.Value = r1;
settings.Remove(node2);
}
else
{
node1 = node2;
}
node2 = node1 == null ? null : node1.Next;
}
}
public void OverrideSet(RichTextStyle newSet)
{
if (newSet.hasColor)
{
this.color = newSet.color;
}
if (newSet.hasSize)
{
this.size = newSet.size;
}
this.styles |= newSet.styles;
}
public static bool SameStyle(RichTextStyle set1, RichTextStyle set2)
{
if (set1.size != set2.size)
{
return(false);
}
else if (set1.hasColor ^ set2.hasColor)
{
return(false);
}
else if (set1.hasColor && set1.color != set2.color)
{
return(false);
}
else if (set1.styles != set2.styles)
{
return(false);
}
else
{
return(true);
}
}
public RichTextStyle CopyTo(int start, int end)
{
RichTextStyle set = new RichTextStyle(start, end, this.color, this.size, this.styles);
return(set);
}
public static void AddStyle(ref LinkedList <RichTextStyle> styles, RichTextStyle newSet, bool overrideOldStyle)
{
if (newSet.end <= newSet.start || newSet.start < 0 || !newSet.hasAnyStyle)
{
return;
}
if (styles == null)
{
styles = new LinkedList <RichTextStyle>();
}
if (styles.Count == 0)
{
styles.AddLast(newSet);
return;
}
LinkedListNode <RichTextStyle> node = styles.First;
while (node != null)
{
RichTextStyle set = node.Value;
LinkedListNode <RichTextStyle> next = node.Next;
if (newSet.end <= set.start)
{
styles.AddBefore(node, newSet);
return;
}
else if (newSet.start >= set.end)
{
node = next;
continue;
}
//newSet.end>set.Start, newSet.start<set.end
int off0, off1;
//左边区域
off0 = Mathf.Min(newSet.start, set.start);
off1 = Mathf.Max(newSet.start, set.start);
if (off0 < off1)
{
RichTextStyle insert = newSet.start < set.start ? newSet.CopyTo(off0, off1) : set.CopyTo(off0, off1);
styles.AddBefore(node, insert);
newSet.start = off1;
set.start = off1;
node.Value = set;
}
//公共区域
off0 = off1;
off1 = Mathf.Min(set.end, newSet.end);
if (off0 < off1)
{
RichTextStyle insert;
if (overrideOldStyle)
{
insert = set.CopyTo(off0, off1);
insert.OverrideSet(newSet);
}
else
{
insert = newSet.CopyTo(off0, off1);
insert.OverrideSet(set);
}
node.Value = insert;
set.start = off1;
newSet.start = off1;
}
if (newSet.start >= newSet.end)
{
styles.AddAfter(node, set);
break;
}
else
{
node = next;
}
}
if (newSet.start < newSet.end)
{
styles.AddLast(newSet);
}
}
