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Copy pathProcessMemory.cs
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120 lines (110 loc) · 4.74 KB
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using System;
using System.Text;
using Process.NET.Native.Types;
namespace Process.NET.Memory
{
/// <summary>
/// Class for memory editing a process.
/// </summary>
/// <seealso cref="IMemory" />
public abstract class ProcessMemory : IMemory
{
/// <summary>
/// The open handle to the process which contains the memory of interest,
/// </summary>
protected readonly SafeMemoryHandle Handle;
/// <summary>
/// Initializes a new instance of the <see cref="ProcessMemory" /> class.
/// </summary>
/// <param name="handle">The open handle to the process which contains the memory of interest.</param>
protected ProcessMemory(SafeMemoryHandle handle)
{
Handle = handle;
}
/// <summary>
/// Writes a set of bytes to memory.
/// </summary>
/// <param name="intPtr">The address where the bytes start in memory.</param>
/// <param name="length">The length of the byte chunk to read from the memory address.</param>
/// <returns>
/// The byte array section read from memory.
/// </returns>
public abstract byte[] Read(IntPtr intPtr, int length);
/// <summary>
/// Reads a string with a specified encoding from memory.
/// </summary>
/// <param name="intPtr">The address where the string is read.</param>
/// <param name="encoding">The encoding used.</param>
/// <param name="maxLength">
/// The number of maximum bytes to read. The string is automatically cropped at this end ('\0'
/// char).
/// </param>
/// <returns>The string.</returns>
public string Read(IntPtr intPtr, Encoding encoding, int maxLength)
{
var buffer = Read(intPtr, maxLength);
var ret = encoding.GetString(buffer);
if (ret.IndexOf('\0') != -1)
ret = ret.Remove(ret.IndexOf('\0'));
return ret;
}
/// <summary>
/// Reads the value of a specified type from memory.
/// </summary>
/// <typeparam name="T">The type of the value.</typeparam>
/// <param name="intPtr">The address where the value is read.</param>
/// <returns>A value.</returns>
public abstract T Read<T>(IntPtr intPtr);
/// <summary>
/// Reads an array of a specified type from memory.
/// </summary>
/// <typeparam name="T">The type of the values.</typeparam>
/// <param name="intPtr">The address where the values is read.</param>
/// <param name="length">The number of cells in the array.</param>
/// <returns>An array.</returns>
public T[] Read<T>(IntPtr intPtr, int length)
{
var buffer = new T[length];
for (var i = 0; i < buffer.Length; i++)
buffer[i] = Read<T>(intPtr);
return buffer;
}
/// <summary>
/// Write an array of bytes in the remote process.
/// </summary>
/// <param name="intPtr">The address where the array is written.</param>
/// <param name="bytesToWrite">The array of bytes to write.</param>
public abstract int Write(IntPtr intPtr, byte[] bytesToWrite);
/// <summary>
/// Writes a string with a specified encoding to memory.
/// </summary>
/// <param name="intPtr">The address where the string is written.</param>
/// <param name="stringToWrite">The text to write.</param>
/// <param name="encoding">The encoding used.</param>
public virtual void Write(IntPtr intPtr, string stringToWrite, Encoding encoding)
{
if (stringToWrite[stringToWrite.Length - 1] != '\0')
stringToWrite += '\0';
var bytes = encoding.GetBytes(stringToWrite);
Write(intPtr, bytes);
}
/// <summary>
/// Writes an array of a specified type to memory,
/// </summary>
/// <typeparam name="T">The type of the values.</typeparam>
/// <param name="intPtr">The address where the values is written.</param>
/// <param name="values">The array to write.</param>
public void Write<T>(IntPtr intPtr, T[] values)
{
foreach (var value in values)
Write(intPtr, value);
}
/// <summary>
/// Writes the values of a specified type to memory.
/// </summary>
/// <typeparam name="T">The type of the value.</typeparam>
/// <param name="intPtr">The address where the value is written.</param>
/// <param name="value">The value to write.</param>
public abstract void Write<T>(IntPtr intPtr, T value);
}
}