smsaddress.cs

就是pdafans上著名的短信任务的原代码

//==========================================================================================
//
//		OpenNETCF.Phone.Sms.SmsAddress
//		Copyright (c) 2004, OpenNETCF.org
//
//		This library is free software; you can redistribute it and/or modify it under 
//		the terms of the OpenNETCF.org Shared Source License.
//
//		This library is distributed in the hope that it will be useful, but 
//		WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
//		FITNESS FOR A PARTICULAR PURPOSE. See the OpenNETCF.org Shared Source License 
//		for more details.
//
//		You should have received a copy of the OpenNETCF.org Shared Source License 
//		along with this library; if not, email [e-mail] to request a copy.
//
//		If you wish to contact the OpenNETCF Advisory Board to discuss licensing, please 
//		email [e-mail].
//
//		For general enquiries, email [e-mail] or visit our website at:
//		http://www.opennetcf.org
//
//==========================================================================================
using System;

namespace OpenNETCF.Phone.Sms
{
	/// <summary>
	/// SMS Addressing information.
	/// <para><b>New in v1.1</b></para>
	/// </summary>
	/// <remarks>Equivalent to native <b>sms_address_tag</b> structure</remarks>
	public class SmsAddress
	{
		// Length of fixed length address string
		internal const int SmsMaxLength = 256;

		/// <summary>
		/// Length, in Bytes,  of SmsAddress structure.
		/// </summary>
		public const int Length = 260;

		// Byte array containing structure data
		private byte[] m_data;

		/// <summary>
		/// Create a new instance of SmsAddress.
		/// </summary>
		public SmsAddress()
		{
			m_data = new byte[Length];
		}
		/// <summary>
		/// Create a new instance of SmsAddress from a Byte array.
		/// </summary>
		/// <param name="data">SmsAddress data in a Byte array.</param>
		public SmsAddress(byte[] data)
		{
			if(data.Length > Length)
			{
				m_data = data;
			}
		}
		/// <summary>
		/// Create a new instance of SmsAddress with a specified address.
		/// </summary>
		/// <param name="address">Address e.g. [phone]</param>
		public SmsAddress(string address) : this()
		{
			this.Address = address;
		}
		/// <summary>
		/// Create a new instance of SmsAddress with a specified address and type.
		/// </summary>
		/// <param name="address">Address e.g. [phone]</param>
		/// <param name="type">A member of the SmsAddressType Enumeration</param>
		public SmsAddress(string address, AddressType type) : this(address)
		{
			this.Type = type;
		}

		/// <summary>
		/// Returns a flat Byte Array of the Sms Address data
		/// </summary>
		/// <returns>Byte array containing SmsAddress data.</returns>
		public byte[] ToByteArray()
		{
			return m_data;
		}

		/// <summary>
		/// Cast SmsAddress object to a byte array
		/// </summary>
		/// <param name="sa">SmsAddress object</param>
		/// <returns>Byte array containing SmsAddress data.</returns>
		public static implicit operator byte[](SmsAddress sa)
		{
			return sa.ToByteArray();
		}

		/// <summary>
		/// Cast byte array to SmsAddress object.
		/// </summary>
		/// <param name="b">Byte array containing SmsAddress data</param>
		/// <returns>SmsAddress version of the data.</returns>
		public static implicit operator SmsAddress(byte[] b)
		{
			return new SmsAddress(b);
		}

		#region Type Property
		/// <summary>
		/// The address type.
		/// </summary>
		public AddressType Type
		{
			get
			{
				//return address type identifier
				return (AddressType)BitConverter.ToInt32(m_data, 0);
			}
			set
			{
				//copy value to data array
				BitConverter.GetBytes((int)value).CopyTo(m_data, 0);
			}
		}
		#endregion

		#region Address Property
		/// <summary>
		/// The address in string format. For example, "127.0.0.1" or "+1.800.123.4567".
		/// </summary>
		public string Address
		{
			get
			{
				//return the number portion of the address minus any trailing nulls
				return System.Text.Encoding.Unicode.GetString(m_data, 4, SmsMaxLength).TrimEnd('\0');
			}
			set
			{
				System.Text.Encoding.Unicode.GetBytes(value).CopyTo(m_data, 4);
			}
		}
		#endregion
	}
}