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Diffstat (limited to 'contrib/apps/LwipMibCompiler/SharpSnmpLib/Mib/MibModule.cs')
| -rw-r--r-- | contrib/apps/LwipMibCompiler/SharpSnmpLib/Mib/MibModule.cs | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/contrib/apps/LwipMibCompiler/SharpSnmpLib/Mib/MibModule.cs b/contrib/apps/LwipMibCompiler/SharpSnmpLib/Mib/MibModule.cs new file mode 100644 index 00000000000..cacfd045979 --- /dev/null +++ b/contrib/apps/LwipMibCompiler/SharpSnmpLib/Mib/MibModule.cs @@ -0,0 +1,294 @@ +/* + * Created by SharpDevelop. + * User: lextm + * Date: 2008/5/17 + * Time: 17:38 + * + * To change this template use Tools | Options | Coding | Edit Standard Headers. + */ + +using System; +using System.Collections.Generic; +using Lextm.SharpSnmpLib.Mib.Elements; +using Lextm.SharpSnmpLib.Mib.Elements.Entities; +using Lextm.SharpSnmpLib.Mib.Elements.Types; + +namespace Lextm.SharpSnmpLib.Mib +{ + /// <summary> + /// MIB module class. + /// </summary> + [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "Mib")] + public sealed class MibModule : IModule + { + private readonly string _name; + private readonly Imports _imports; + private readonly Exports _exports; + private readonly List<IElement> _tokens = new List<IElement>(); + + /// <summary> + /// Creates a <see cref="MibModule"/> with a specific <see cref="Lexer"/>. + /// </summary> + /// <param name="name">Module name</param> + /// <param name="symbols">Lexer</param> + [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "lexer")] + public MibModule(ISymbolEnumerator symbols) + { + if (symbols == null) + { + throw new ArgumentNullException("lexer"); + } + + Symbol temp = symbols.NextNonEOLSymbol(); + temp.AssertIsValidIdentifier(); + _name = temp.ToString().ToUpperInvariant(); // all module names are uppercase + + temp = symbols.NextNonEOLSymbol(); + temp.Expect(Symbol.Definitions); + + temp = symbols.NextNonEOLSymbol(); + temp.Expect(Symbol.Assign); + + temp = symbols.NextSymbol(); + temp.Expect(Symbol.Begin); + + temp = symbols.NextNonEOLSymbol(); + if (temp == Symbol.Imports) + { + _imports = ParseDependents(symbols); + } + else if (temp == Symbol.Exports) + { + _exports = ParseExports(symbols); + } + else + { + symbols.PutBack(temp); + } + + ParseEntities(symbols); + } + + #region Accessors + + /// <summary> + /// Module name. + /// </summary> + public string Name + { + get { return _name; } + } + + public Exports Exports + { + get { return _exports; } + } + + public Imports Imports + { + get { return _imports; } + } + + public List<IElement> Tokens + { + get { return this._tokens; } + } + + /// <summary> + /// Entities + Types + all other elements implementing IDeclaration + /// </summary> + public IList<IDeclaration> Declarations + { + get + { + IList<IDeclaration> result = new List<IDeclaration>(); + foreach (IElement e in _tokens) + { + IDeclaration decl = e as IDeclaration; + if (decl != null) + { + result.Add(decl); + } + } + + return result; + } + } + + /// <summary> + /// OID nodes. + /// </summary> + public IList<IEntity> Entities + { + get + { + IList<IEntity> result = new List<IEntity>(); + foreach (IElement e in _tokens) + { + IEntity entity = e as IEntity; + if (entity != null) + { + result.Add(entity); + } + } + + return result; + } + } + + public IList<ITypeAssignment> Types + { + get + { + IList<ITypeAssignment> result = new List<ITypeAssignment>(); + foreach (IElement e in _tokens) + { + ITypeAssignment type = e as ITypeAssignment; + if (type != null) + { + result.Add(type); + } + } + + return result; + } + } + + #endregion + + #region Parsing of Symbols + + private Exports ParseExports(ISymbolEnumerator symbols) + { + return new Exports(this, symbols); + } + + private Imports ParseDependents(ISymbolEnumerator symbols) + { + return new Imports(this, symbols); + } + + private void ParseEntities(ISymbolEnumerator symbols) + { + Symbol temp = symbols.NextNonEOLSymbol(); + SymbolList buffer = new SymbolList(); + + while (temp != Symbol.End) + { + if (temp == Symbol.Assign) + { + ParseEntity(buffer, symbols); + buffer.Clear(); + // skip linebreaks behind an entity + temp = symbols.NextNonEOLSymbol(); + } + else + { + buffer.Add(temp); + temp = symbols.NextSymbol(); + } + } + } + + private void ParseEntity(SymbolList preAssignSymbols, ISymbolEnumerator symbols) + { + if ((preAssignSymbols == null) || (preAssignSymbols.Count == 0)) + { + Symbol s = symbols.NextSymbol(); + if (s != null) + { + s.Assert(false, "Invalid Entity declaration"); + } + else + { + throw new MibException("Invalid Entity declaration"); + } + } + + // check for a valid identifier + preAssignSymbols[0].AssertIsValidIdentifier(); + + if (preAssignSymbols.Count == 1) + { + // its a typedef + _tokens.Add(Lexer.ParseBasicTypeDef(this, preAssignSymbols[0].ToString(), symbols, isMacroSyntax: false)); + return; + } + + ISymbolEnumerator preAssignSymbolsEnumerator = preAssignSymbols.GetSymbolEnumerator(); + preAssignSymbolsEnumerator.NextNonEOLSymbol(); // returns identifier + Symbol type = preAssignSymbolsEnumerator.NextNonEOLSymbol(); + + // parse declarations + if (type == Symbol.Object) + { + Symbol next = preAssignSymbolsEnumerator.NextNonEOLSymbol(); + + if (next == Symbol.Identifier) + { + _tokens.Add(new OidValueAssignment(this, preAssignSymbols, symbols)); + return; + } + else if (next != null) + { + preAssignSymbolsEnumerator.PutBack(next); + } + } + if (type == Symbol.ModuleIdentity) + { + _tokens.Add(new ModuleIdentity(this, preAssignSymbols, symbols)); + return; + } + if (type == Symbol.ObjectType) + { + _tokens.Add(new ObjectType(this, preAssignSymbols, symbols)); + return; + } + if (type == Symbol.ObjectGroup) + { + _tokens.Add(new ObjectGroup(this, preAssignSymbols, symbols)); + return; + } + if (type == Symbol.NotificationGroup) + { + _tokens.Add(new NotificationGroup(this, preAssignSymbols, symbols)); + return; + } + if (type == Symbol.ModuleCompliance) + { + _tokens.Add(new ModuleCompliance(this, preAssignSymbols, symbols)); + return; + } + if (type == Symbol.NotificationType) + { + _tokens.Add(new NotificationType(this, preAssignSymbols, symbols)); + return; + } + if (type == Symbol.ObjectIdentity) + { + _tokens.Add(new ObjectIdentity(this, preAssignSymbols, symbols)); + return; + } + if (type == Symbol.Macro) + { + _tokens.Add(new Macro(this, preAssignSymbols, symbols)); + return; + } + if (type == Symbol.TrapType) + { + _tokens.Add(new TrapType(this, preAssignSymbols, symbols)); + return; + } + if (type == Symbol.AgentCapabilities) + { + _tokens.Add(new AgentCapabilities(this, preAssignSymbols, symbols)); + return; + } + + preAssignSymbols[1].Assert(false, "Unknown/Invalid declaration"); + } + + #endregion + + } +}
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