tools/xbuild/LoggerInfo.cs

   1 //
   2 // LoggerInfo.cs: Contains information about logger parameters.
   3 //
   4 // Authors:
   5 //   Craig Sutherland (cj.sutherland(at)xtra.co.nz)
   6 //   Daniel Nauck (dna(at)mono-project.de)
   7 //
   8 // (C) 2009 Craig Sutherland, Daniel Nauck
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28
  29 #if NET_2_0
  30
  31 using System;
  32 using System.Globalization;
  33 using System.IO;
  34 using System.Linq;
  35 using System.Reflection;
  36 using System.Text.RegularExpressions;
  37 using Mono.XBuild.Framework;
  38
  39 namespace Mono.XBuild.CommandLine
  40 {
  41         internal class LoggerInfo : AssemblyLoadInfo
  42         {
  43                 static readonly Regex assemblyInfoRegEx = new Regex(@"(?<assemblyName>[\w\.]+)(,\s?Version=(?<assemblyVersion>\d+\.\d+\.\d+\.\d+))?(,\s?Culture=(?<assemblyCulture>\w+))?(,\s?PublicKeyToken=(?<publicKeyToken>\w+))?",
  44                         RegexOptions.Compiled | RegexOptions.CultureInvariant);
  45
  46                 string loggerAssemblyName;
  47                 string loggerType;
  48                 string loggerArgs;
  49
  50                 string assemblyInfoName;
  51                 string assemblyInfoVersion;
  52                 string assemblyInfoCulture;
  53                 string assemblyInfoPublicKeyToken;
  54
  55                 internal LoggerInfo (string value)
  56                 {
  57                         if (!Parse (value))
  58                                 return;
  59
  60                         if (string.IsNullOrEmpty (loggerType))
  61                                 loggerType = GetLoggerTypeName (loggerAssemblyName);
  62
  63                         if (assemblyInfoName != null)
  64                                 SetAssemblyName (LoadInfoType.AssemblyName, null, assemblyInfoName, assemblyInfoVersion, assemblyInfoCulture, assemblyInfoPublicKeyToken, loggerType);
  65
  66                         else
  67                                 SetAssemblyName (LoadInfoType.AssemblyFilename, loggerAssemblyName, null, null, null, null, loggerType);
  68                 }
  69
  70                 internal string Parameters {
  71                         get { return loggerArgs; }
  72                 }
  73
  74                 static string GetLoggerTypeName (string assemblyName)
  75                 {
  76                         Assembly loggerAssembly = null;
  77
  78                         // try to load assembly that contains the logger
  79                         if (HasAssemblyInfo (assemblyName))
  80                                 loggerAssembly = Assembly.Load (assemblyName);
  81                         else if (File.Exists (assemblyName))
  82                                 loggerAssembly = Assembly.LoadFile (assemblyName);
  83
  84                         if (loggerAssembly == null)
  85                                 return null;
  86
  87                         // search for a class thats implement ILogger
  88                         var loggerClass = (from t in loggerAssembly.GetTypes ()
  89                                                 where t.IsClass &&
  90                                                 t.GetInterface ("Microsoft.Build.Framework.ILogger") != null &&
  91                                                 t.IsPublic
  92                                                 select t).FirstOrDefault ();
  93
  94                         if (loggerClass != null)
  95                                 return loggerClass.FullName;
  96
  97                         return null;
  98                 }
  99
 100                 bool Parse (string arg)
 101                 {
 102                         // Wipe all the existing values, just in case
 103                         loggerAssemblyName = null;
 104                         loggerType = null;
 105                         loggerArgs = null;
 106                         assemblyInfoName = null;
 107                         assemblyInfoVersion = null;
 108                         assemblyInfoCulture = null;
 109                         assemblyInfoPublicKeyToken = null;
 110
 111                         if (string.IsNullOrEmpty (arg))
 112                                 return false;
 113
 114                         string [] parts = arg.Split (new char [] {':'}, 2);
 115                         if (parts.Length != 2)
 116                                 return false;
 117
 118                         if (string.Compare ("/l", parts [0], StringComparison.OrdinalIgnoreCase) != 0 &&
 119                                 string.Compare ("/logger", parts [0], StringComparison.OrdinalIgnoreCase) != 0)
 120                                 return false;
 121
 122                         arg = parts [1];
 123
 124                         // We have a logger arg, now get the various parts
 125                         parts = arg.Split (new char [] {';'}, 2);
 126                         string firstPart = parts [0];
 127                         if (parts.Length > 1)
 128                                 loggerArgs = parts [1];
 129
 130                         // Next see if there is a type name
 131                         parts = firstPart.Split (new char [] {','}, 2);
 132                         if (parts.Length == 1) {
 133                                 loggerAssemblyName = firstPart;
 134                         } else {
 135                                 if (HasAssemblyInfo (parts [1])) {
 136                                         loggerAssemblyName = firstPart;
 137                                         GetAssemblyInfo (loggerAssemblyName);
 138                                 } else {
 139                                         loggerType = parts [0];
 140                                         parts [0] = string.Empty;
 141                                         loggerAssemblyName = string.Join (",", parts).Substring (1).Trim ();
 142                                 }
 143                         }
 144
 145                         return true;
 146                 }
 147
 148                 static bool HasAssemblyInfo (string part)
 149                 {
 150                         var containsInfo = (part.IndexOf ("version=", StringComparison.OrdinalIgnoreCase) >= 0) ||
 151                                 (part.IndexOf ("culture=", StringComparison.OrdinalIgnoreCase) >= 0) ||
 152                                 (part.IndexOf ("publickeytoken=", StringComparison.OrdinalIgnoreCase) >= 0);
 153
 154                         return containsInfo;
 155                 }
 156
 157                 void GetAssemblyInfo (string assemblyName)
 158                 {
 159                         var match = assemblyInfoRegEx.Match (assemblyName);
 160
 161                         if(match == null)
 162                                 return;
 163
 164                         assemblyInfoName = match.Groups ["assemblyName"].Value;
 165                         assemblyInfoVersion = match.Groups ["assemblyVersion"].Value;
 166                         assemblyInfoCulture = match.Groups ["assemblyCulture"].Value;
 167                         assemblyInfoPublicKeyToken = match.Groups ["publicKeyToken"].Value;
 168                 }
 169         }
 170 }
 171 #endif