Import lwIP contrib rep
... from http://git.savannah.gnu.org/cgit/lwip/lwip-contrib.git/ into contrib/ subdir, STABLE-2_1_0_RELEASE tag lwIP contrib is now officially frozen TODO: Fix build
This commit is contained in:
Dirk Ziegelmeier
196
contrib/apps/LwipMibCompiler/LwipSnmpCodeGeneration/MibCFile.cs
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196
contrib/apps/LwipMibCompiler/LwipSnmpCodeGeneration/MibCFile.cs
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/*
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* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Martin Hentschel <info@cl-soft.de>
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*
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*/
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using System.Collections.Generic;
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using CCodeGeneration;
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using System;
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using System.IO;
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namespace LwipSnmpCodeGeneration
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{
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public class MibCFile
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{
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#region Fields
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private const string PreservedSectionMarker = "LWIP MIB generator - preserved section begin";
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private const string PreservedSectionHeader =
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"+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n" +
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PreservedSectionMarker + "\n" +
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"Code below is preserved on regeneration. Remove these comment lines to regenerate code.\n" +
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"+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++";
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private readonly List<CodeElement> includes = new List<CodeElement>();
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private readonly List<CodeElement> defines = new List<CodeElement>();
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private readonly List<CodeElement> declarations = new List<CodeElement>();
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private readonly List<CodeElement> implementation = new List<CodeElement>();
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private readonly List<CodeElement> preservedCode = new List<CodeElement>();
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#endregion
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public MibCFile()
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{
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}
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#region Accessors
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public List<CodeElement> Includes
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{
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get { return this.includes; }
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}
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public List<CodeElement> Defines
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{
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get { return this.defines; }
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}
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public List<CodeElement> Declarations
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{
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get { return this.declarations; }
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}
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public List<CodeElement> Implementation
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{
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get { return this.implementation; }
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}
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public List<CodeElement> PreservedCode
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{
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get { return this.preservedCode; }
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}
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#endregion
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#region Methods
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public void Save(CGenerator cGenerator)
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{
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CFile cFile = new CFile();
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cFile.AddElement(new Comment("Generated by LwipMibCompiler"));
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cFile.AddElement(EmptyLine.SingleLine);
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cFile.AddElement(new PP_Include(LwipDefs.Incl_SnmpOpts));
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CodeContainerBase e = cFile.AddElement(new PP_If(LwipDefs.Opt_SnmpEnabled)) as CodeContainerBase;
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e.AddElement(EmptyLine.SingleLine);
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// include header file
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string file = cGenerator.FileName;
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if (!String.IsNullOrWhiteSpace(file))
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{
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string ext = System.IO.Path.GetExtension(file);
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string headerFile = !String.IsNullOrEmpty(ext) ? file.Substring(0, file.Length - ext.Length) : file;
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headerFile += ".h";
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e.AddElement(new PP_Include(headerFile));
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}
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// include common snmp files
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e.AddElement(new PP_Include("lwip/apps/snmp.h"));
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e.AddElement(new PP_Include("lwip/apps/snmp_core.h"));
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e.AddElement(new PP_Include("lwip/apps/snmp_scalar.h"));
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e.AddElement(new PP_Include("lwip/apps/snmp_table.h"));
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if (this.includes.Count > 0)
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{
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e.AddElement(EmptyLine.SingleLine);
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e.AddElements(this.includes);
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}
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if (this.defines.Count > 0)
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{
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e.AddElement(EmptyLine.SingleLine);
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e.AddElements(this.defines);
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}
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if (this.declarations.Count > 0)
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{
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e.AddElement(EmptyLine.TwoLines);
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e.AddElements(this.declarations);
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}
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if (this.implementation.Count > 0)
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{
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e.AddElement(EmptyLine.TwoLines);
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e.AddElements(this.implementation);
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}
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if (this.preservedCode.Count > 0)
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{
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e.AddElement(EmptyLine.TwoLines);
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e.AddElement(new Comment(PreservedSectionHeader));
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e.AddElement(EmptyLine.SingleLine);
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e.AddElements(this.preservedCode);
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}
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cFile.Save(cGenerator);
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}
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public static string GetPreservedCode(string file)
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{
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if (File.Exists(file))
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{
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using (StreamReader fileStream = new StreamReader(file))
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{
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while (!fileStream.EndOfStream)
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{
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string line = fileStream.ReadLine();
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if (line == PreservedSectionMarker)
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{
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break;
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}
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}
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if (!fileStream.EndOfStream)
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{
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// skip the rest of the comment + spacer line
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fileStream.ReadLine(); // "Code below is preserved...
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fileStream.ReadLine(); // "+++++++++++++++++++++++...
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fileStream.ReadLine(); // */
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fileStream.ReadLine(); //
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string preservedCode = fileStream.ReadToEnd();
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int lastEndif = preservedCode.LastIndexOf("#endif", StringComparison.Ordinal);
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preservedCode = preservedCode.Remove(lastEndif);
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return preservedCode;
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}
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}
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}
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return null;
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}
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#endregion
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}
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}
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