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/*
* VsqBPListComparisonContext.cs
* Copyright © 2010-2011 kbinani
*
* This file is part of org.kbinani.cadencii.
*
* org.kbinani.cadencii is free software; you can redistribute it and/or
* modify it under the terms of the GPLv3 License.
*
* org.kbinani.cadencii is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
#if JAVA
package org.kbinani.cadencii;
import org.kbinani.vsq.*;
#else
using System;
using org.kbinani.vsq;
namespace org.kbinani.cadencii {
using boolean = System.Boolean;
#endif
/// <summary>
/// VsqBPListを比較するための，比較用コンテキスト
/// </summary>
#if JAVA
public class VsqBPListComparisonContext implements IComparisonContext {
#else
public class VsqBPListComparisonContext : IComparisonContext {
#endif
public class WrappedVsqBPPair {
public VsqBPPair body;
public int clock;
public WrappedVsqBPPair( VsqBPPair body, int clock ) {
this.body = body;
this.clock = clock;
}
}
VsqBPList list1 = null;
VsqBPList list2 = null;
int pos1 = -1;
int pos2 = -1;
public VsqBPListComparisonContext( VsqBPList list1, VsqBPList list2 ) {
// インデクス0の位置に，デフォルト値を持つダミーがあるように振舞わせる
this.list1 = list1;
this.list2 = list2;
}
public int getNextIndex1() {
pos1++;
return pos1;
}
public int getNextIndex2() {
pos2++;
return pos2;
}
public boolean hasNext1() {
return (pos1 < list1.size());
}
public boolean hasNext2() {
return (pos2 < list2.size());
}
public Object getElementAt1( int index ) {
if ( index <= 0 ) {
return new WrappedVsqBPPair( new VsqBPPair( list1.getDefault(), -1 ), 0 );
} else {
return new WrappedVsqBPPair( list1.getElementB( index - 1 ), list1.getKeyClock( index - 1 ) );
}
}
public Object getElementAt2( int index ) {
if ( index <= 0 ) {
return new WrappedVsqBPPair( new VsqBPPair( list2.getDefault(), -1 ), 0 );
} else {
return new WrappedVsqBPPair( list2.getElementB( index - 1 ), list2.getKeyClock( index - 1 ) );
}
}
public int getClockFrom( Object obj ) {
if ( obj == null ) {
return 0;
}
if ( !(obj is WrappedVsqBPPair) ) {
return 0;
}
return ((WrappedVsqBPPair)obj).clock;
}
public boolean equals( Object obj1, Object obj2 ) {
if ( obj1 == null || obj2 == null ) {
return false;
}
if ( !(obj1 is WrappedVsqBPPair) || !(obj2 is WrappedVsqBPPair) ) {
return false;
}
WrappedVsqBPPair item1 = (WrappedVsqBPPair)obj1;
WrappedVsqBPPair item2 = (WrappedVsqBPPair)obj2;
return (item1.body.value == item2.body.value);
}
}
#if !JAVA
}
#endif
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