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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Martin Hentschel <info@cl-soft.de>
*
*/
using System;
using System.Text.RegularExpressions;
using CCodeGeneration;
namespace LwipSnmpCodeGeneration
{
public abstract class SnmpNode
{
public static readonly Regex NameValidationRegex = new Regex(@"^\w+$");
private string name;
private readonly SnmpTreeNode parentNode;
protected SnmpNode(SnmpTreeNode parentNode)
{
this.parentNode = parentNode;
}
public SnmpTreeNode ParentNode
{
get { return this.parentNode; }
}
public virtual uint Oid { get; set; }
public abstract string FullNodeName
{
get;
}
public virtual string Name
{
get { return this.name; }
set
{
if (value != this.name)
{
// check for valid name
if (!NameValidationRegex.IsMatch(value))
{
throw new ArgumentOutOfRangeException("Name");
}
this.name = value;
}
}
}
public virtual void Generate(MibCFile generatedFile, MibHeaderFile generatedHeaderFile)
{
int declCount = generatedFile.Declarations.Count;
int implCount = generatedFile.Implementation.Count;
this.GenerateHeaderCode(generatedHeaderFile);
this.GenerateCode(generatedFile);
if (generatedFile.Declarations.Count != declCount)
{
generatedFile.Declarations.Add(EmptyLine.SingleLine);
}
if (generatedFile.Implementation.Count != implCount)
{
generatedFile.Implementation.Add(EmptyLine.SingleLine);
}
}
public abstract void GenerateCode(MibCFile mibFile);
public virtual void GenerateHeaderCode(MibHeaderFile mibHeaderFile)
{
}
/// <summary>
/// Called after node structure creation is completed and before code is created.
/// Offers the possibility to perform operations depending on properties/subnodes.
/// If the node shall be transformed to another node(-type) than the own instance
/// may be replaced on parent node by the transformed instance.
/// Calling sequence is always from leafs up to root. So a tree node can assume
/// that the analyze method was already called on all child nodes.
/// E.g. a tree node only has scalar sub nodes -> it transforms itself to a scalar array node
/// </summary>
/// <returns>The transformed node or null if nothing shall be changed in parent structure.</returns>
public virtual void Analyze()
{
}
}
}
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