let HTK I/O implementation be a single package

1 files changed, 172 insertions, 0 deletions

diff --git a/htk_io/src/KaldiLib/Error.h b/htk_io/src/KaldiLib/Error.h
new file mode 100644
index 0000000..2228dde
--- /dev/null
+++ b/htk_io/src/KaldiLib/Error.h
@@ -0,0 +1,172 @@
+//
+// C++ Interface: %{MODULE}
+//
+// Description: 
+//
+//
+// Author: %{AUTHOR} <%{EMAIL}>, (C) %{YEAR}
+//
+// Copyright: See COPYING file that comes with this distribution
+//
+//
+
+/** @file Error.h
+ *  This header defines several types and functions relating to the
+ *  handling of exceptions in STK.
+ */
+ 
+#ifndef TNET_Error_h
+#define TNET_Error_h
+
+#include <iostream>
+#include <stdexcept>
+#include <string>
+#include <sstream>
+
+#include <cstdlib>
+#include <execinfo.h>
+#include <cstdarg>
+#include <cstdio>
+
+// THESE MACROS TERRIBLY CLASH WITH STK!!!!
+// WE MUST USE SAME MACROS!
+//
+//#define Error(msg) _Error_(__func__, __FILE__, __LINE__, msg)
+//#define Warning(msg) _Warning_(__func__, __FILE__, __LINE__, msg)
+//#define TraceLog(msg) _TraceLog_(__func__, __FILE__, __LINE__, msg)
+//
+
+#ifndef Error
+  #define Error(...) _Error_(__func__, __FILE__, __LINE__, __VA_ARGS__)
+#endif
+#ifndef PError
+  #define PError(...) _PError_(__func__, __FILE__, __LINE__, __VA_ARGS__)
+#endif
+#ifndef Warning
+  #define Warning(...) _Warning_(__func__, __FILE__, __LINE__, __VA_ARGS__)
+#endif
+#ifndef TraceLog
+  #define TraceLog(...) _TraceLog_(__func__, __FILE__, __LINE__, __VA_ARGS__)
+#endif
+
+namespace TNet {
+  
+
+
+  /** MyException
+   * Custom exception class, gets the stacktrace
+   */
+  class MyException 
+    : public std::runtime_error
+  {
+    public:
+      explicit MyException(const std::string& what_arg) throw();
+      virtual ~MyException() throw();
+
+      const char* what() const throw() 
+      { return mWhat.c_str(); }
+
+    private:
+      std::string mWhat;
+  };
+
+  /** 
+   * MyException:: implemenatation
+   */
+  inline
+  MyException::
+  MyException(const std::string& what_arg) throw()
+    : std::runtime_error(what_arg)
+  {
+    mWhat = what_arg;
+    mWhat += "\nTHE STACKTRACE INSIDE MyException OBJECT IS:\n";
+    
+    void *array[10];
+    size_t size;
+    char **strings;
+    size_t i;
+
+    size = backtrace (array, 10);
+    strings = backtrace_symbols (array, size);
+    
+    //<< 0th string is the MyException ctor, so ignore and start by 1
+    for (i = 1; i < size; i++) { 
+      mWhat += strings[i];
+      mWhat += "\n";
+    }
+
+    free (strings);
+  }
+
+
+  inline
+  MyException::
+  ~MyException() throw()
+  { } 
+
+
+  /**
+   *  @brief Error throwing function (with backtrace)
+   */
+  inline void 
+  _Error_(const char *func, const char *file, int line, const std::string &msg)
+  {
+     std::stringstream ss;
+     ss << "ERROR (" << func << ':' << file  << ':' << line << ") " << msg;
+     throw MyException(ss.str());
+  }
+  
+  /**
+   *  @brief Throw a formatted error
+   */
+  inline void _PError_(const char *func, const char *file, int line, const char *fmt, ...) {
+      va_list ap;
+      char msg[256];
+      va_start(ap, fmt);
+      vsnprintf(msg, sizeof msg, fmt, ap);
+      va_end(ap);
+      _Error_(func, file, line, msg);
+  }
+
+  /**
+   *  @brief Warning handling function
+   */
+  inline void 
+  _Warning_(const char *func, const char *file, int line, const std::string &msg)
+  {
+	std::cout << "WARNING (" << func << ':' << file  << ':' << line << ") " << msg << std::endl;
+  }
+
+  inline void 
+  _TraceLog_(const char *func, const char *file, int line, const std::string &msg)
+  {
+	std::cout << "INFO (" << func << ':' << file  << ':' << line << ") " << msg << std::endl;
+    std::cout.flush();
+  }
+
+  /**
+   * New kaldi error handling:
+   *
+   * class KaldiErrorMessage is invoked from the KALDI_ERROR macro.
+   * The destructor throws an exception.
+   */
+  class KaldiErrorMessage {
+   public:
+    KaldiErrorMessage(const char *func, const char *file, int line) {
+      this->stream() << "ERROR (" 
+                     << func << "():"
+                     << file << ':' << line << ") ";
+    }
+    inline std::ostream &stream() { return ss; }
+    ~KaldiErrorMessage() { throw MyException(ss.str()); }
+   private:
+    std::ostringstream ss;
+  };
+  #define KALDI_ERR TNet::KaldiErrorMessage(__func__, __FILE__, __LINE__).stream() 
+
+
+
+} // namespace TNet
+
+//#define TNET_Error_h
+#endif