/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef nsCRT_h___

#define nsCRT_h___

#include <stdlib.h>

#include <ctype.h>

#include "plstr.h"

#include "nscore.h"

#include "nsCRTGlue.h"

#if defined(XP_WIN)

#  define NS_LINEBREAK           "\015\012"

#  define NS_LINEBREAK_LEN       2

#else

#  ifdef XP_UNIX

#    define NS_LINEBREAK         "\012"

#    define NS_LINEBREAK_LEN     1

#  endif /* XP_UNIX */

#endif /* XP_WIN */

extern const char16_t kIsoLatin1ToUCS2[256];

/// This is a wrapper class around all the C runtime functions.

class nsCRT

{

public:

  enum

  {

    LF = '\n'   /* Line Feed */,

    VTAB = '\v' /* Vertical Tab */,

    CR = '\r'   /* Carriage Return */

  };

  /// String comparison.

  static int32_t strcmp(const char* aStr1, const char* aStr2)

  {

    return int32_t(PL_strcmp(aStr1, aStr2));

  }

  /// Case-insensitive string comparison.

  static int32_t strcasecmp(const char* aStr1, const char* aStr2)

  {

    return int32_t(PL_strcasecmp(aStr1, aStr2));

  }

  /// Case-insensitive string comparison with length

  static int32_t strncasecmp(const char* aStr1, const char* aStr2,

                             uint32_t aMaxLen)

  {

    int32_t result = int32_t(PL_strncasecmp(aStr1, aStr2, aMaxLen));

    //Egads. PL_strncasecmp is returning *very* negative numbers.

    //Some folks expect -1,0,1, so let's temper its enthusiasm.

    if (result < 0) {

      result = -1;

    }

    return result;

  }

  /**

    How to use this fancy (thread-safe) version of strtok:

    void main(void) {

      printf("%s\n\nTokens:\n", string);

      // Establish string and get the first token:

      char* newStr;

      token = nsCRT::strtok(string, seps, &newStr);

      while (token != nullptr) {

        // While there are tokens in "string"

        printf(" %s\n", token);

        // Get next token:

        token = nsCRT::strtok(newStr, seps, &newStr);

      }

    }

    * WARNING - STRTOK WHACKS str THE FIRST TIME IT IS CALLED *

    * MAKE A COPY OF str IF YOU NEED TO USE IT AFTER strtok() *

  */

  static char* strtok(char* aStr, const char* aDelims, char** aNewStr);

  /// Like strcmp except for ucs2 strings

  static int32_t strcmp(const char16_t* aStr1, const char16_t* aStr2);

  // String to longlong

  static int64_t atoll(const char* aStr);

  static char ToUpper(char aChar) { return NS_ToUpper(aChar); }

  static char ToLower(char aChar) { return NS_ToLower(aChar); }

  static bool IsUpper(char aChar) { return NS_IsUpper(aChar); }

  static bool IsLower(char aChar) { return NS_IsLower(aChar); }

  static bool IsAscii(char16_t aChar) { return NS_IsAscii(aChar); }

  static bool IsAscii(const char16_t* aString) { return NS_IsAscii(aString); }

  static bool IsAsciiSpace(char16_t aChar) { return NS_IsAsciiWhitespace(aChar); }

  static bool IsAscii(const char* aString) { return NS_IsAscii(aString); }

  static bool IsAscii(const char* aString, uint32_t aLength)

  {

    return NS_IsAscii(aString, aLength);

  }

};

inline bool

NS_IS_SPACE(char16_t aChar)

{

  return ((int(aChar) & 0x7f) == int(aChar)) && isspace(int(aChar));

}

#define NS_IS_CNTRL(i)   ((((unsigned int) (i)) > 0x7f) ? (int) 0 : iscntrl(i))

#define NS_IS_DIGIT(i)   ((((unsigned int) (i)) > 0x7f) ? (int) 0 : isdigit(i))

#if defined(XP_WIN)

#define NS_IS_ALPHA(VAL) (isascii((int)(VAL)) && isalpha((int)(VAL)))

#else

#define NS_IS_ALPHA(VAL) ((((unsigned int) (VAL)) > 0x7f) ? (int) 0 : isalpha((int)(VAL)))

#endif

#endif /* nsCRT_h___ */