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Sourcecode: zinnia version File versions

common.h

//
//  Zinnia: Online hand recognition system with machine learning
//
//  $Id: common.h 13 2009-03-08 13:35:42Z taku-ku $;
//
//  Copyright(C) 2008 Taku Kudo <taku@chasen.org>
//
#ifndef zinnia_COMMON_H_
#define zinnia_COMMON_H_

#include <setjmp.h>
#include <cstdlib>
#include <cstdio>
#include <cstring>
#include <string>
#include <iostream>
#include <algorithm>
#include <cmath>
#include <sstream>

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#define COPYRIGHT  "zinnia: Yet Another Hand Written Character Recognizer\nCopyright(C)" \
" 2005-2007 Taku Kudo, All rights reserved.\n"

// tricky macro for MSVC
#ifdef _MSC_VER
#define for if (0); else for
/* why windows.h define such a generic macro */
#undef max
#undef min
#endif

#define BUF_SIZE (8192)

#ifndef EXIT_FAILURE
#define EXIT_FAILURE 1
#endif

#ifndef EXIT_SUCCESS
#define EXIT_SUCCESS 0
#endif

#define DIC_VERSION (1)
#define DIC_MAGIC_ID (0xef71821u)

namespace zinnia {

  template <class T> inline T _min(T x, T y) { return(x < y) ? x : y; }
  template <class T> inline T _max(T x, T y) { return(x > y) ? x : y; }

  class die {
  public:
    die() {}
    ~die() { std::cerr << std::endl; exit(-1); }
    int operator&(std::ostream&) { return 0; }
  };

  class warn {
  public:
    warn() {}
    ~warn() { std::cerr << std::endl; }
    int operator&(std::ostream&) { return 0; }
  };

  struct whatlog {
    std::ostringstream stream_;
    std::string str_;
    const char *str() {
      str_ = stream_.str();
      return str_.c_str(); 
    }
    jmp_buf cond_;
  };

  class wlog {
  public:
    whatlog *l_;
    explicit wlog(whatlog *l): l_(l) { l_->stream_.clear(); }
    ~wlog() { longjmp(l_->cond_, 1); }
    int operator&(std::ostream &) { return 0; }
  };
}

#define WHAT what_.stream_

#define CHECK_RETURN(condition, value) \
if (condition) {} else \
  if (setjmp(what_.cond_) == 1) { \
    return value;  \
  } else \
    wlog(&what_) & what_.stream_ << \
    __FILE__ << "(" << __LINE__ << ") [" << #condition << "] "

#define CHECK_0(condition)      CHECK_RETURN(condition, 0)
#define CHECK_FALSE(condition)  CHECK_RETURN(condition, false)

#define CHECK_CLOSE_FALSE(condition) \
if (condition) {} else \
  if (setjmp(what_.cond_) == 1) { \
    close(); \
    return false;  \
  } else \
    wlog(&what_) & what_.stream_ << \
    __FILE__ << "(" << __LINE__ << ") [" << #condition << "] "

#define CHECK_DIE(condition) \
(condition) ? 0 : die() & std::cerr << __FILE__ << \
"(" << __LINE__ << ") [" << #condition << "] "

#define CHECK_WARN(condition) \
(condition) ? 0 : warn() & std::cerr << __FILE__ << \
"(" << __LINE__ << ") [" << #condition << "] "
#endif

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