用于生成 Office 文件的 .NET 组件。
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/* ====================================================================
Licensed to the Apache Software Foundation (ASF) Under one or more
contributor license agreements. See the NOTICE file distributed with
this work for Additional information regarding copyright ownership.
The ASF licenses this file to You Under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed Under the License is distributed on an "AS Is" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations Under the License.
==================================================================== */
using Npoi.Core.Util;
using System;
namespace Npoi.Core.HPSF
{
public class Vector
{
private short _type;
private TypedPropertyValue[] _values;
public Vector(byte[] data, int startOffset, short type) {
this._type = type;
Read(data, startOffset);
}
public Vector(short type) {
this._type = type;
}
public int Read(byte[] data, int startOffset) {
int offset = startOffset;
long longLength = LittleEndian.GetUInt(data, offset);
offset += LittleEndian.INT_SIZE;
if (longLength > int.MaxValue)
throw new InvalidOperationException("Vector is too long -- "
+ longLength);
int length = (int)longLength;
_values = new TypedPropertyValue[length];
if (_type == Variant.VT_VARIANT) {
for (int i = 0; i < length; i++) {
TypedPropertyValue value = new TypedPropertyValue();
offset += value.Read(data, offset);
_values[i] = value;
}
}
else {
for (int i = 0; i < length; i++) {
TypedPropertyValue value = new TypedPropertyValue(_type, null);
// be aware: not padded here
offset += value.ReadValue(data, offset);
_values[i] = value;
}
}
return offset - startOffset;
}
public TypedPropertyValue[] Values {
get { return _values; }
}
}
}