using System.Text;
using System.Collections;
using System.Collections.Generic;
+using M17N;
using M17N.Core;
namespace M17N.Core
}
}
+ private void insert (int pos, int c)
+ {
+ check_pos (pos, true);
+
+ int pos_idx = pos_to_idx (this, pos);
+
+ if (c < 0x10000)
+ {
+ char ch = (char) c;
+ sb.Insert (pos_idx, ch);
+ }
+ else
+ {
+ char high = (char) (0xD800 + ((c - 0x10000) >> 10));
+ char low = (char) (0xDC00 + ((c - 0x10000) & 0x3FF));
+ sb.Insert (pos_idx, low);
+ sb.Insert (pos_idx, high);
+ }
+ nchars++;
+ foreach (MPlist plist in intervals)
+ ((MInterval) plist.Val).Insert (pos,
+ new MInterval (plist.Key, this, 1));
+ }
+
public int this[int i]
{
set {
public MText Dup ()
{
- return (new MText (sb.ToString ()));
+ MText mt = new MText (sb.ToString ());
+
+ foreach (MPlist p in intervals)
+ mt.intervals.Add (p.Key, ((MInterval) p.Val).Copy (0, Length));
+ return mt;
+ }
+
+ public MText Ins (int pos, int c)
+ {
+ insert (pos, c);
+ return this;
}
public MText Ins (int pos, MText mt)
return this;
}
+ public MText Cat (int c)
+ {
+ insert (nchars, c);
+ return this;
+ }
+
public MText Del (int from, int to)
{
if (check_range (from, to, true))
{
check_pos (pos, false);
- MInterval i = (MInterval) intervals.Find (key).Val;
-
+ MInterval i = (MInterval) intervals.Get (key);
if (i == null)
return null;
{
check_pos (pos, false);
- MInterval i = (MInterval) intervals.Find (key).Val;
-
+ MInterval i = (MInterval) intervals.Get (key);
if (i == null)
return (prop = null);
prop = i.Get (pos);
{
check_pos (pos, false);
- MInterval i = (MInterval) intervals.Find (key).Val;
-
+ MInterval i = (MInterval) intervals.Get (key);
if (i == null)
return (array = null);
MTextProperty prop = i.Get (pos, out array);
{
Console.Write ("(");
foreach (MPlist p in intervals)
- ((MInterval) p.Val).Dump ();
+ ((MInterval) p.Val).Dump (true);
Console.WriteLine (")");
}
+ public void DumpPropNested ()
+ {
+ foreach (MPlist p in intervals)
+ ((MInterval) p.Val).DumpNested (true);
+ }
+
private class MInterval
{
// position: 0 1 2 3 4 5 6 7
if (Left != null)
for (i = Left; i.Right != null; i = i.Right);
else
- for (i = Parent; i != null && i.Left == null; i = i.Parent);
+ {
+ MInterval child = this;
+ for (i = Parent; i != null && i.Left == child;
+ child = i, i = i.Parent);
+ }
return i;
}
}
if (Right != null)
for (i = Right; i.Left != null; i = i.Left);
else
- for (i = Parent; i != null && i.Right == null; i = i.Parent);
+ {
+ MInterval child = this;
+ for (i = Parent; i != null && i.Right == child;
+ child = i, i = i.Parent);
+ }
return i;
}
}
MInterval copy, left_copy = null, right_copy = null;
update_from_to ();
+
if (start < From)
{
if (end <= From)
return Left.Copy (start, end);
left_copy = Left.Copy (start, From);
}
- else if (end > To)
+ if (end > To)
{
if (start >= To)
return Right.Copy (start, end);
right_copy = Right.Copy (To, end);
}
- copy = new MInterval (Key, mtext, end - start, Stack);
+ copy = new MInterval (Key, null, end - start, Stack);
remove_properties (MTextProperty.Flag.Sensitive);
- copy.Left = left_copy;
- copy.Right = right_copy;
-
+ if (left_copy != null)
+ {
+ copy.Left = left_copy;
+ left_copy.Parent = copy;
+ }
+ if (right_copy != null)
+ {
+ copy.Right = right_copy;
+ right_copy.Parent = copy;
+ }
return copy;
}
{
MInterval interval = new MInterval (Key, mtext, To - pos, Stack);
- Console.Write ("divide-right({0}) at ", pos); DumpOne (false, true);
+ M17N.DebugPrint ("divide-right({0}) at ", pos); DumpOne (false, true);
To = pos;
if (Right != null)
{
{
MInterval interval = new MInterval (Key, mtext, pos - From, Stack);
- Console.Write ("divide-left({0}) at ", pos); DumpOne (false, true);
+ M17N.DebugPrint ("divide-left({0}) at ", pos); DumpOne (false, true);
From = pos;
if (Left != null)
{
}
}
+ private MInterval delete_node_forward ()
+ {
+ if (Parent != null)
+ {
+ int len = Length - RightLength;
+
+ for (MInterval i = Parent; i != null; i = i.Parent)
+ i.Length -= len;
+ if (Parent.Left == this)
+ Parent.Left = Right;
+ else
+ Parent.Right = Right;
+ }
+
+ if (Right != null)
+ {
+ Right.Parent = Parent;
+ return Right.LeftMost;
+ }
+ return Parent;
+ }
+
+ private MInterval delete_node_backward ()
+ {
+ if (Parent != null)
+ {
+ int len = Length - RightLength;
+
+ for (MInterval i = Parent; i != null; i = i.Parent)
+ i.Length -= len;
+ if (Parent.Left == this)
+ Parent.Left = Left;
+ else
+ Parent.Right = Left;
+ }
+
+ if (Left != null)
+ {
+ Left.Parent = Parent;
+ return Left.RightMost;
+ }
+ return Parent;
+ }
+
+ private void set_mtext (MText mt)
+ {
+ mtext = mt;
+ if (Left != null)
+ Left.set_mtext (mt);
+ if (Right != null)
+ Right.set_mtext (mt);
+ }
+
+ private MInterval graft (MInterval interval, bool forward, out int len)
+ {
+ MInterval i;
+
+ len = 0;
+ if (forward)
+ {
+ i = interval.LeftMost;
+ while (i != null)
+ {
+ if (! mergeable (i))
+ break;
+ len += i.Length - i.RightLength;
+ i = i.delete_node_forward ();
+ }
+ }
+ else
+ {
+ i = interval.RightMost;
+ while (i != null)
+ {
+ if (! mergeable (i))
+ break;
+ len += i.Length - i.LeftLength;
+ i = i.delete_node_backward ();
+ }
+ }
+
+ Length += len;
+ To += len;
+ for (MInterval prev = this, ii = this.Parent; ii != null;
+ prev = ii, ii = ii.Parent)
+ {
+ ii.Length += len;
+ if (prev == ii.Left)
+ {
+ ii.From += len;
+ ii.To += len;;
+ }
+ }
+ if (i != null)
+ while (i.Parent != null) i = i.Parent;
+ return i;
+ }
+
public void Insert (int pos, MInterval interval)
{
update_from_to ();
- Console.Write ("insert({0}) in ", pos); DumpOne (false, true);
+ M17N.DebugPrint ("insert({0}) at {1} in ", interval.Length, pos);
+ DumpOne (false, true);
+
+ interval.set_mtext (mtext);
if (pos < From)
Prev.Insert (pos, interval);
else if (pos == From)
{
- if (pos > 0)
- {
- MInterval prev = Prev;
+ MInterval prev = Prev;
+ if (prev != null)
+ {
if (Left == null)
{
prev.Insert (pos, interval);
(MTextProperty.Flag.Sensitive|MTextProperty.Flag.FrontSticky);
interval.inherit_rear_properties (Stack);
- // INTERVAL is ready to insert.
- //
- // .-this-. ==> .-this-.
- // left-. left-.
- // child .-interval
- // child
-
- if (pos > 0)
+ int len;
+ interval = graft (interval, false, out len);
+ if (interval != null && prev != null)
+ interval = prev.graft (interval, true, out len);
+ if (interval != null)
{
- MInterval i = Left.RightMost;
-
- i.Left = interval;
+ MInterval i;
+
+ if (Left != null)
+ {
+ // .-this-. ==> .-this-.
+ // left-. .-left-.
+ // child child-.
+ // interval
+ i = Left.RightMost;
+ i.Right = interval;
+ }
+ else
+ {
+ Left = interval;
+ i = this;
+ }
interval.Parent = i;
for (; i != null; i = i.Parent)
i.Length += interval.Length;
}
- else
- {
- Left = interval;
-
- for (MInterval i = this; i != null; i = i.Parent)
- i.Length += interval.Length;
- }
}
else if (pos < To)
{
remove_properties (MTextProperty.Flag.Sensitive);
- divide_right (pos).Insert (pos, interval);
- }
+
+ int len;
+ interval = graft (interval, true, out len);
+ pos += len;
+ if (interval != null)
+ interval = graft (interval, false, out len);
+ if (interval != null)
+ {
+ divide_right (pos);
+ Right.Left = interval;
+ interval.Parent = Right;
+ for (MInterval i = Right; i != null; i = i.Parent)
+ i.Length += interval.Length;
+ }
+ }
else if (pos == To)
{
- if (pos < mtext.Length)
- {
- MInterval next = Next;
+ MInterval next = Next;
+ if (next != null)
+ {
if (Right == null)
{
next.Insert (pos, interval);
(MTextProperty.Flag.Sensitive|MTextProperty.Flag.RearSticky);
interval.inherit_front_properties (Stack);
- // INTERVAL is ready to insert.
- //
- // .-this-. ==> .-this-.
- // .-right .-right
- // child interval-.
- // child
-
- if (Right != null)
+ int len;
+ interval = graft (interval, true, out len);
+ if (interval != null && next != null)
+ interval = next.graft (interval, false, out len);
+ if (interval != null)
{
- MInterval i = Right.LeftMost;
-
- i.Left = interval;
+ MInterval i;
+
+ if (Right != null)
+ {
+ // .-this-. ==> .-this-.
+ // .-right .-right
+ // child .-child
+ // interval
+
+ i = Right.LeftMost;
+ i.Left = interval;
+ }
+ else
+ {
+ Right = interval;
+ i = this;
+ }
interval.Parent = i;
for (; i != null; i = i.Parent)
i.Length += interval.Length;
}
- else
- {
- Right = interval;
-
- for (MInterval i = this; i != null; i = i.Parent)
- i.Length += interval.Length;
- }
}
else // (pos > To)
Next.Insert (pos, interval);
private void vacate_node (MInterval interval)
{
- Console.WriteLine ("vacate #{0} to #{1}", ID, interval.ID);
+ M17N.DebugPrint ("vacate #{0} to #{1}", ID, interval.ID);
if (interval != null)
interval.Parent = Parent;
if (Parent == null)
{
- mtext.intervals.Put (Key, interval);
+ if (mtext != null)
+ mtext.intervals.Put (Key, interval);
}
else
{
public void Delete (int start, int end)
{
update_from_to ();
- Console.Write ("delete({0} {1}) from ", start, end); DumpOne (false, true);
+ M17N.DebugPrint ("delete({0} {1}) from ", start, end); DumpOne (false, true);
if (start < From)
{
if (end <= From)
public void Push (int start, int end, MTextProperty prop)
{
update_from_to ();
- Console.Write ("push({0} {1}) at ", start, end); DumpOne (false, true);
+ M17N.DebugPrint ("push({0} {1}) at ", start, end); DumpOne (false, true);
if (start < From)
{
if (end <= From)
if (! mergeable (prev))
return false;
+ M17N.DebugPrint ("merging "); DumpOne (false, false);
+ M17N.DebugPrint (" with prev "); prev.DumpOne (false, true);
int len = prev.Length - prev.LeftLength;
// PREV is Left, Left.Right, ..., or Left....Right.
if (prev != Left)
{
+ if (prev.Left != null)
+ prev.Left.Parent = prev.Parent;
prev.Parent.Right = prev.Left;
while (prev.Parent != Left)
{
}
Left.Length -= len;
if (Left.Length == Left.LeftLength)
- Left = Left.Left;
+ {
+ if (Left.Left != null)
+ Left.Left.Parent = this;
+ Left = Left.Left;
+ }
return true;
}
if (! mergeable (next))
return false;
- int len = next.Length - next.LeftLength;
+ M17N.DebugPrint ("merging "); DumpOne (false, false);
+ M17N.DebugPrint (" with next "); next.DumpOne (false, true);
+
+ int len = next.Length - next.RightLength;
// NEXT is Right, Right.Left, ..., or Right....Left.
if (next != Right)
{
+ if (next.Right != null)
+ next.Right.Parent = next.Parent;
next.Parent.Left = next.Right;
while (next.Parent != Right)
{
}
}
Right.Length -= len;
- if (Right.Length == Right.LeftLength)
- Right = Right.Left;
-
+ if (Right.Length == Right.RightLength)
+ {
+ if (Right.Right != null)
+ Right.Right.Parent = this;
+ Right = Right.Right;
+ }
return true;
}
public void Pop (int start, int end)
{
update_from_to ();
- Console.Write ("pop({0} {1}) at ", start, end); DumpOne (false, true);
+ M17N.DebugPrint ("pop({0} {1}) at ", start, end); DumpOne (false, true);
if (start < From)
{
if (end <= From)
divide_right (end);
Stack.Pop ();
if (check_prev && Left != null)
- check_prev = try_merge_prev () && (Left == null);
+ check_prev = try_merge_prev () && (Left != null);
if (check_next && Right != null)
- check_next = try_merge_next () && (Right == null);
+ check_next = try_merge_next () && (Right != null);
if (check_prev)
{
if (Prev.try_merge_next () && check_next)
private void DumpOne (bool with_prop, bool newline)
{
- Console.Write ("#{0}({1} {2} {3}", ID, Length, From, To);
- if (with_prop)
- foreach (MPlist p in Stack)
- Console.Write (" " + p.Val);
- Console.Write (")");
- if (newline)
- Console.WriteLine ();
+ DumpOne (with_prop, newline, false);
}
- public void Dump ()
+ private void DumpOne (bool with_prop, bool newline, bool force)
{
- update_from_to ();
+ if (force || M17N.debug)
+ {
+ Console.Write ("#{0}({1} {2} {3}", ID, Length, From, To);
+ if (with_prop)
+ foreach (MPlist p in Stack)
+ Console.Write (" " + p.Val);
+ Console.Write (")");
+ if (newline)
+ Console.WriteLine ();
+ if (Length <= 0)
+ throw new Exception ("Invalid interval length");
+ }
+ }
- if (Left != null)
- Left.Dump ();
- if (From > 0)
- Console.Write (" ");
- DumpOne (true, false);
- if (Right != null)
- Right.Dump ();
+ public void Dump () { Dump (false); }
+
+ public void Dump (bool force)
+ {
+ if (force || M17N.debug)
+ {
+ update_from_to ();
+
+ if (Left != null)
+ Left.Dump (force);
+ if (From > 0)
+ Console.Write (" ");
+ DumpOne (true, false, force);
+ if (Right != null)
+ Right.Dump (force);
+ }
+ }
+
+ private int Depth {
+ get { return (Parent == null ? 0 : Parent.Depth + 1); }
+ }
+
+ public void DumpNested (bool force)
+ {
+ DumpNested ("", force);
+ }
+
+ public void DumpNested (string indent, bool force)
+ {
+ if (force || M17N.debug)
+ {
+ int indent_type = (Parent == null ? 1
+ : Parent.Left == this ? 0 : 2);
+
+ update_from_to ();
+ if (Left != null)
+ {
+ if (indent_type <= 1)
+ Left.DumpNested (indent + " ", force);
+ else
+ Left.DumpNested (indent + "| ", force);
+ }
+ if (indent_type == 0)
+ Console.Write (indent + ".-");
+ else if (indent_type == 2)
+ Console.Write (indent + "`-");
+ DumpOne (true, true);
+ if (Right != null)
+ {
+ if (indent_type >= 1)
+ Right.DumpNested (indent + " ", force);
+ else if (indent_type == 2)
+ Right.DumpNested (indent + "| ", force);
+ }
+ }
}
}
projects / m17n / m17n-lib-cs.git / blobdiff