mcs/class/System.XML/Mono.Xml.Xsl/Debug.cs

   1 //
   2 // Debug.cs
   3 //
   4 // Authors:
   5 //      Ben Maurer (bmaurer@users.sourceforge.net)
   6 //      Atsushi Enomoto (ginga@kit.hi-ho.ne.jp)
   7 //
   8 // (C) 2003 Ben Maurer
   9 // (C) 2003 Atsushi Enomoto
  10 //
  11
  12 using System;
  13 using System.Collections;
  14 using System.Xml;
  15 using System.Xml.XPath;
  16 using System.Xml.Xsl;
  17
  18 namespace Mono.Xml.Xsl {
  19         internal class Debug {
  20                 [System.Diagnostics.Conditional("DEBUG")]
  21                 internal static void TraceContext(XPathNavigator context) {
  22                         string output = "(null)";
  23
  24                         if (context != null) {
  25                                 context = context.Clone ();
  26                                 switch (context.NodeType) {
  27                                         case XPathNodeType.Element:
  28                                                 output = string.Format("<{0}:{1}", context.Prefix, context.LocalName);
  29                                                 for (bool attr = context.MoveToFirstAttribute(); attr; attr = context.MoveToNextAttribute()) {
  30                                                         output += string.Format(" {0}:{1}={2}", context.Prefix, context.LocalName, context.Value);
  31                                                 }
  32                                                  output += ">";
  33                                                 break;
  34                                         default:
  35                                                 break;
  36                                 }
  37                         }
  38
  39                         WriteLine(output);
  40                 }
  41
  42                 [System.Diagnostics.Conditional("DEBUG")]
  43                 internal static void Assert (bool condition, string message)
  44                 {
  45                         if (!condition)
  46                                 throw new Exception (message);
  47                 }
  48
  49                 [System.Diagnostics.Conditional("DEBUG")]
  50                 internal static void WriteLine (object value)
  51                 {
  52                         Console.Error.WriteLine (value);
  53                 }
  54
  55                 [System.Diagnostics.Conditional("DEBUG")]
  56                 internal static void WriteLine (string message)
  57                 {
  58                         Console.Error.WriteLine (message);
  59                 }
  60
  61                 static Stack eleStack = new Stack ();
  62
  63                 [System.Diagnostics.Conditional("DEBUG")]
  64                 internal static void EnterNavigator (Compiler c)
  65                 {
  66                         eleStack.Push (c.Input.Clone ());
  67                 }
  68
  69                 [System.Diagnostics.Conditional("DEBUG")]
  70                 internal static void ExitNavigator (Compiler c)
  71                 {
  72                         XPathNavigator x = (XPathNavigator)eleStack.Pop();
  73                         if (!x.IsSamePosition (c.Input))
  74                                 throw new Exception ("Position must be the same on enter/exit. Enter node: " + x.Name + " exit node " + c.Input.Name);
  75
  76                 }
  77         }
  78 }