CliFx/CliFx.Analyzers/KnownSymbols.cs

using CliFx.Analyzers.Internal;
using Microsoft.CodeAnalysis;

namespace CliFx.Analyzers
{
    public static class KnownSymbols
    {
        public static bool IsSystemString(ISymbol symbol) =>
            symbol.DisplayNameMatches("string") ||
            symbol.DisplayNameMatches("System.String");

        public static bool IsSystemChar(ISymbol symbol) =>
            symbol.DisplayNameMatches("char") ||
            symbol.DisplayNameMatches("System.Char");

        public static bool IsSystemCollectionsGenericIEnumerable(ISymbol symbol) =>
            symbol.DisplayNameMatches("System.Collections.Generic.IEnumerable<T>");

        public static bool IsSystemConsole(ISymbol symbol) =>
            symbol.DisplayNameMatches("System.Console");

        public static bool IsConsoleInterface(ISymbol symbol) =>
            symbol.DisplayNameMatches("CliFx.IConsole");

        public static bool IsCommandInterface(ISymbol symbol) =>
            symbol.DisplayNameMatches("CliFx.ICommand");

        public static bool IsCommandAttribute(ISymbol symbol) =>
            symbol.DisplayNameMatches("CliFx.Attributes.CommandAttribute");

        public static bool IsCommandParameterAttribute(ISymbol symbol) =>
            symbol.DisplayNameMatches("CliFx.Attributes.CommandParameterAttribute");

        public static bool IsCommandOptionAttribute(ISymbol symbol) =>
            symbol.DisplayNameMatches("CliFx.Attributes.CommandOptionAttribute");
    }
}