2011-10-21 19:45:01 -04:00
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package org.apache.poi.hpsf;
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import org.apache.poi.util.Internal;
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import org.apache.poi.util.LittleEndian;
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/**
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* Holder for vector-type properties
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*
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* @author Sergey Vladimirov (vlsergey {at} gmail {dot} com)
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*/
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@Internal
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class Vector
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{
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private final short _type;
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private TypedPropertyValue[] _values;
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Vector( short type )
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{
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this._type = type;
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}
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Vector( byte[] data, int startOffset, short type )
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{
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this._type = type;
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read( data, startOffset );
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}
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int read( byte[] data, int startOffset )
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{
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int offset = startOffset;
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final long longLength = LittleEndian.getUInt( data, offset );
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offset += LittleEndian.INT_SIZE;
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if ( longLength > Integer.MAX_VALUE )
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throw new UnsupportedOperationException( "Vector is too long -- "
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+ longLength );
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final int length = (int) longLength;
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_values = new TypedPropertyValue[length];
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if ( _type == Variant.VT_VARIANT )
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{
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for ( int i = 0; i < length; i++ )
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{
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TypedPropertyValue value = new TypedPropertyValue();
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offset += value.read( data, offset );
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_values[i] = value;
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}
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}
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else
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{
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for ( int i = 0; i < length; i++ )
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{
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TypedPropertyValue value = new TypedPropertyValue( _type, null );
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2011-10-21 22:01:26 -04:00
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// be aware: not padded here
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offset += value.readValue( data, offset );
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2011-10-21 19:45:01 -04:00
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_values[i] = value;
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}
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}
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return offset - startOffset;
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}
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}
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