/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for Additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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namespace HH.WMS.Utils.NPOI.HSSF.Record
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{
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using System;
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using HH.WMS.Utils.NPOI.Util;
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/**
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* Common header/footer base class
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*
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* @author Josh Micich
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*/
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public abstract class HeaderFooterBase : StandardRecord
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{
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private bool field_2_hasMultibyte;
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private String field_3_text;
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protected HeaderFooterBase(String text)
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{
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Text=(text);
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}
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protected HeaderFooterBase(RecordInputStream in1)
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{
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if (in1.Remaining > 0)
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{
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int field_1_footer_len = in1.ReadShort();
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field_2_hasMultibyte = in1.ReadByte() != 0x00;
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if (field_2_hasMultibyte)
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{
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field_3_text = in1.ReadUnicodeLEString(field_1_footer_len);
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}
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else
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{
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field_3_text = in1.ReadCompressedUnicode(field_1_footer_len);
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}
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}
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else
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{
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// Note - this is unusual for BIFF records in general, but normal for header / footer records:
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// when the text is empty string, the whole record is empty (just the 4 byte BIFF header)
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field_3_text = "";
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}
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}
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/**
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* get the length of the footer string
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*
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* @return length of the footer string
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*/
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private int TextLength
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{
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get
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{
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return field_3_text.Length;
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}
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}
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public String Text
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{
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get
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{
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return field_3_text;
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}
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set
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{
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if (value == null)
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{
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throw new ArgumentException("text must not be null");
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}
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field_2_hasMultibyte = StringUtil.HasMultibyte(value);
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field_3_text = value;
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// Check it'll fit into the space in the record
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if (this.DataSize > RecordInputStream.MAX_RECORD_DATA_SIZE)
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{
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throw new ArgumentException("Header/Footer string too long (limit is "
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+ RecordInputStream.MAX_RECORD_DATA_SIZE + " bytes)");
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}
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}
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}
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public override void Serialize(ILittleEndianOutput out1)
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{
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if (TextLength > 0)
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{
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out1.WriteShort(TextLength);
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out1.WriteByte(field_2_hasMultibyte ? 0x01 : 0x00);
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if (field_2_hasMultibyte)
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{
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StringUtil.PutUnicodeLE(field_3_text, out1);
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}
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else
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{
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StringUtil.PutCompressedUnicode(field_3_text, out1);
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}
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}
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}
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protected override int DataSize
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{
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get
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{
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if (TextLength< 1)
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{
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return 0;
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}
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return 3 + TextLength * (field_2_hasMultibyte ? 2 : 1);
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}
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}
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}
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}
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