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/*
* Copyright (c) 2002 Sergey Chaban <serge@wildwestsoftware.com>
*/
using System;
using System.IO;
using System.Collections;
using System.Runtime.InteropServices;
namespace Mono.PEToolkit.Metadata {
public interface MDTable {
/// <summary>
/// Number of rows in the table.
/// </summary>
int NumberOfRows {get;}
/// <summary>
/// Gets ot sets a row in the metadata table.
/// </summary>
Row this [int rowNum] {get; set;}
void Add(Row row);
void FromRawData(byte [] buff, int offs, int numRows);
string Name {get;}
TableId Id {get;}
MDHeap Heap {get;}
void Dump(TextWriter writer);
}
public abstract class MDTableBase : MDTable {
protected ArrayList rows; // rows storage
protected MDHeap heap; // base heap
public MDTableBase(MDHeap heap)
{
rows = new ArrayList();
this.heap = heap;
if (heap is TablesHeap) {
(heap as TablesHeap).RegisterTable(this);
}
}
public virtual int NumberOfRows {
get {
return rows.Count;
}
}
public virtual Row this [int rowNum] {
get {
if (rowNum < 0) throw new IndexOutOfRangeException("Row[]");
// Zero row, special case
if (rowNum == 0) return NullRow.Instance;
return rows [rowNum - 1] as Row;
}
set {
rows.Insert(rowNum, value);
}
}
public virtual void Add(Row row)
{
rows.Add(row);
}
public abstract void FromRawData(byte [] buff, int offs, int numRows);
public abstract string Name {get;}
public abstract TableId Id {get;}
public virtual MDHeap Heap {
get {
return heap;
}
}
public virtual void Dump(TextWriter writer)
{
writer.WriteLine("=========================================");
writer.WriteLine("Table '{0}', id = {1} (0x{2}), rows = {3}",
Name, Id, ((int) Id).ToString("X"), NumberOfRows);
int n = 1;
foreach (Row row in rows) {
writer.WriteLine();
writer.WriteLine("Row #{0}", n++);
writer.WriteLine("-------------");
row.Dump(writer);
writer.WriteLine();
}
}
}
}
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