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192 lines
8.5 KiB
C#
192 lines
8.5 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Drawing;
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/*
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MIT License
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Copyright (c) 2021 DebugST@crystal_lz
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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/*
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* create: 2021-12-08
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* modify: 2021-03-02
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* Author: Crystal_lz
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* blog: http://st233.com
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* Gitee: https://gitee.com/DebugST
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* Github: https://github.com/DebugST
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*/
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namespace ST.Library.UI.NodeEditor
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{
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public class STNodeHub : STNode
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{
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private bool m_bSingle;
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private string m_strIn;
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private string m_strOut;
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public STNodeHub() : this(false, "IN", "OUT") { }
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public STNodeHub(bool bSingle) : this(bSingle, "IN", "OUT") { }
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public STNodeHub(bool bSingle, string strTextIn, string strTextOut) {
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m_bSingle = bSingle;
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m_strIn = strTextIn;
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m_strOut = strTextOut;
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this.Addhub();
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this.Title = "HUB";
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this.AutoSize = false;
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this.TitleColor = System.Drawing.Color.FromArgb(200, System.Drawing.Color.DarkOrange);
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}
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protected override void OnOwnerChanged() {
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base.OnOwnerChanged();
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if (this.Owner == null) return;
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using (Graphics g = this.Owner.CreateGraphics()) {
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this.Width = base.GetDefaultNodeSize(g).Width;
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}
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}
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private void Addhub() {
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var input = new STNodeHubOption(m_strIn, typeof(object), m_bSingle);
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var output = new STNodeHubOption(m_strOut, typeof(object), false);
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this.InputOptions.Add(input);
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this.OutputOptions.Add(output);
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input.Connected += new STNodeOptionEventHandler(input_Connected);
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input.DataTransfer += new STNodeOptionEventHandler(input_DataTransfer);
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input.DisConnected += new STNodeOptionEventHandler(input_DisConnected);
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output.Connected += new STNodeOptionEventHandler(output_Connected);
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output.DisConnected += new STNodeOptionEventHandler(output_DisConnected);
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this.Height = this.TitleHeight + this.InputOptions.Count * 20;
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}
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void output_DisConnected(object sender, STNodeOptionEventArgs e) {
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STNodeOption op = sender as STNodeOption;
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if (op.ConnectionCount != 0) return;
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int nIndex = this.OutputOptions.IndexOf(op);
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if (this.InputOptions[nIndex].ConnectionCount != 0) return;
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this.InputOptions.RemoveAt(nIndex);
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this.OutputOptions.RemoveAt(nIndex);
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if (this.Owner != null) this.Owner.BuildLinePath();
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this.Height -= 20;
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}
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void output_Connected(object sender, STNodeOptionEventArgs e) {
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STNodeOption op = sender as STNodeOption;
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int nIndex = this.OutputOptions.IndexOf(op);
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var t = typeof(object);
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if (this.InputOptions[nIndex].DataType == t) {
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op.DataType = e.TargetOption.DataType;
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this.InputOptions[nIndex].DataType = op.DataType;
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foreach (STNodeOption v in this.InputOptions) {
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if (v.DataType == t) return;
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}
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this.Addhub();
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}
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}
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void input_DisConnected(object sender, STNodeOptionEventArgs e) {
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STNodeOption op = sender as STNodeOption;
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if (op.ConnectionCount != 0) return;
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int nIndex = this.InputOptions.IndexOf(op);
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if (this.OutputOptions[nIndex].ConnectionCount != 0) return;
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this.InputOptions.RemoveAt(nIndex);
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this.OutputOptions.RemoveAt(nIndex);
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if (this.Owner != null) this.Owner.BuildLinePath();
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this.Height -= 20;
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}
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void input_DataTransfer(object sender, STNodeOptionEventArgs e) {
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STNodeOption op = sender as STNodeOption;
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int nIndex = this.InputOptions.IndexOf(op);
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if (e.Status != ConnectionStatus.Connected)
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this.OutputOptions[nIndex].Data = null;
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else
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this.OutputOptions[nIndex].Data = e.TargetOption.Data;
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this.OutputOptions[nIndex].TransferData();
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}
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void input_Connected(object sender, STNodeOptionEventArgs e) {
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STNodeOption op = sender as STNodeOption;
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int nIndex = this.InputOptions.IndexOf(op);
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var t = typeof(object);
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if (op.DataType == t) {
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op.DataType = e.TargetOption.DataType;
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this.OutputOptions[nIndex].DataType = op.DataType;
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foreach (STNodeOption v in this.InputOptions) {
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if (v.DataType == t) return;
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}
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this.Addhub();
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} else {
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//this.OutputOptions[nIndex].Data = e.TargetOption.Data;
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this.OutputOptions[nIndex].TransferData(e.TargetOption.Data);
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}
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}
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protected override void OnSaveNode(Dictionary<string, byte[]> dic) {
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dic.Add("count", BitConverter.GetBytes(this.InputOptionsCount));
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//dic.Add("single", new byte[] { (byte)(m_bSingle ? 1 : 0) });
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//dic.Add("strin", Encoding.UTF8.GetBytes(m_strIn));
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//dic.Add("strout", Encoding.UTF8.GetBytes(m_strOut));
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}
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protected internal override void OnLoadNode(Dictionary<string, byte[]> dic) {
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base.OnLoadNode(dic);
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int nCount = BitConverter.ToInt32(dic["count"], 0);
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while (this.InputOptionsCount < nCount && this.InputOptionsCount != nCount) this.Addhub();
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//m_bSingle = dic["single"][0] == 1;
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//m_strIn = Encoding.UTF8.GetString(dic["strin"]);
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//m_strOut = Encoding.UTF8.GetString(dic["strout"]);
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}
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public class STNodeHubOption : STNodeOption
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{
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public STNodeHubOption(string strText, Type dataType, bool bSingle) : base(strText, dataType, bSingle) { }
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public override ConnectionStatus ConnectOption(STNodeOption op) {
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var t = typeof(object);
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if (this.DataType != t) return base.ConnectOption(op);
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this.DataType = op.DataType;
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var ret = base.ConnectOption(op);
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if (ret != ConnectionStatus.Connected) this.DataType = t;
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return ret;
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}
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public override ConnectionStatus CanConnect(STNodeOption op) {
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if (op == STNodeOption.Empty) return ConnectionStatus.EmptyOption;
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if (this.DataType != typeof(object)) return base.CanConnect(op);
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if (this.IsInput == op.IsInput) return ConnectionStatus.SameInputOrOutput;
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if (op.Owner == null || this.Owner == null) return ConnectionStatus.NoOwner;
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if (op.Owner == this.Owner) return ConnectionStatus.SameOwner;
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if (this.Owner.LockOption || op.Owner.LockOption) return ConnectionStatus.Locked;
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if (this.IsSingle && m_hs_connected.Count == 1) return ConnectionStatus.SingleOption;
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if (op.IsInput && STNodeEditor.CanFindNodePath(op.Owner, this.Owner)) return ConnectionStatus.Loop;
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if (m_hs_connected.Contains(op)) return ConnectionStatus.Exists;
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if (op.DataType == typeof(object)) return ConnectionStatus.ErrorType;
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if (!this.IsInput) return ConnectionStatus.Connected;
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foreach (STNodeOption owner_input in this.Owner.InputOptions) {
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foreach (STNodeOption o in owner_input.ConnectedOption) {
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if (o == op) return ConnectionStatus.Exists;
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}
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}
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return ConnectionStatus.Connected; ;
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}
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}
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}
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}
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