mcs/tools/prj2make/pkgconfiginvoker.cs

   1 // created on 6/8/2004 at 5:44 AM
   2 using System;
   3 using System.Diagnostics;
   4
   5 namespace Mfconsulting.General
   6 {
   7         public sealed class PkgConfigInvoker
   8         {
   9
  10                 public static string GetPkgConfigVersion()
  11                 {
  12                         string pkgout = null;
  13
  14                         pkgout = RunPkgConfig("--version");
  15
  16                         if(pkgout != null)
  17                         {
  18                                 return pkgout;
  19                         }
  20
  21                         return null;
  22                 }
  23
  24                 public static string GetPkgVariableValue(string strPkg, string strVarName)
  25                 {
  26                         string pkgout = null;
  27
  28                         pkgout = RunPkgConfig(String.Format("--variable={0} {1}",
  29                                 strVarName, strPkg));
  30
  31                         if(pkgout != null)
  32                         {
  33                                 return pkgout;
  34                         }
  35
  36                         return null;
  37                 }
  38
  39                 public static string GetPkgConfigModuleVersion(string strPkg)
  40                 {
  41                         string pkgout = null;
  42
  43                         pkgout = RunPkgConfig(String.Format("--modversion {0}", strPkg));
  44
  45                         if(pkgout != null)
  46                         {
  47                                 return pkgout;
  48                         }
  49
  50                         return null;
  51                 }
  52
  53                 public static string RunPkgConfig(string strArgLine)
  54                 {
  55                         string pkgout;
  56
  57                         ProcessStartInfo pi = new ProcessStartInfo ();
  58                         pi.FileName = "pkg-config";
  59                         pi.RedirectStandardOutput = true;
  60                         pi.UseShellExecute = false;
  61                         pi.Arguments = strArgLine;
  62                         Process p = null;
  63                         try
  64                         {
  65                                 p = Process.Start (pi);
  66                         }
  67                         catch (Exception e)
  68                         {
  69                                 Console.WriteLine("Couldn't run pkg-config: " + e.Message);
  70                                 return null;
  71                         }
  72
  73                         if (p.StandardOutput == null)
  74                         {
  75                                 Console.WriteLine("Specified package did not return any information");
  76                         }
  77
  78                         pkgout = p.StandardOutput.ReadToEnd ();
  79                         p.WaitForExit ();
  80                         if (p.ExitCode != 0)
  81                         {
  82                                 Console.WriteLine("Error running pkg-config. Check the above output.");
  83                                 return null;
  84                         }
  85
  86                         if (pkgout != null)
  87                         {
  88                                 p.Close ();
  89                                 return pkgout;
  90                         }
  91
  92                         p.Close ();
  93
  94                         return null;
  95                 }
  96         }
  97 }