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server/src/shared/Util.h

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/*
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _UTIL_H
#define _UTIL_H
#include "Common.h"
#include <string>
#include <vector>
typedef std::vector<std::string> Tokens;
Tokens StrSplit(const std::string &src, const std::string &sep);
void stripLineInvisibleChars(std::string &src);
std::string secsToTimeString(uint32 timeInSecs, bool shortText = false, bool hoursOnly = false);
uint32 TimeStringToSecs(const std::string& timestring);
std::string TimeToTimestampStr(time_t t);
inline uint32 secsToTimeBitFields(time_t secs)
{
tm* lt = localtime(&secs);
return (lt->tm_year - 100) << 24 | lt->tm_mon << 20 | (lt->tm_mday - 1) << 14 | lt->tm_wday << 11 | lt->tm_hour << 6 | lt->tm_min;
}
/* Return a random number in the range min..max; (max-min) must be smaller than 32768. */
MANGOS_DLL_SPEC int32 irand(int32 min, int32 max);
/* Return a random number in the range min..max (inclusive). For reliable results, the difference
* between max and min should be less than RAND32_MAX. */
MANGOS_DLL_SPEC uint32 urand(uint32 min, uint32 max);
/* Return a random number in the range 0 .. RAND32_MAX. */
MANGOS_DLL_SPEC int32 rand32();
/* Return a random double from 0.0 to 1.0 (exclusive). Floats support only 7 valid decimal digits.
* A double supports up to 15 valid decimal digits and is used internally (RAND32_MAX has 10 digits).
* With an FPU, there is usually no difference in performance between float and double. */
MANGOS_DLL_SPEC double rand_norm(void);
/* Return a random double from 0.0 to 99.9999999999999. Floats support only 7 valid decimal digits.
* A double supports up to 15 valid decimal digits and is used internaly (RAND32_MAX has 10 digits).
* With an FPU, there is usually no difference in performance between float and double. */
MANGOS_DLL_SPEC double rand_chance(void);
/* Return true if a random roll fits in the specified chance (range 0-100). */
inline bool roll_chance_f(float chance)
{
return chance > rand_chance();
}
/* Return true if a random roll fits in the specified chance (range 0-100). */
inline bool roll_chance_i(int chance)
{
return chance > irand(0, 99);
}
inline void ApplyModUInt32Var(uint32& var, int32 val, bool apply)
{
int32 cur = var;
cur += (apply ? val : -val);
if(cur < 0)
cur = 0;
var = cur;
}
inline void ApplyModFloatVar(float& var, float val, bool apply)
{
var += (apply ? val : -val);
if(var < 0)
var = 0;
}
inline void ApplyPercentModFloatVar(float& var, float val, bool apply)
{
if (val == -100.0f) // prevent set var to zero
val = -99.99f;
var *= (apply?(100.0f+val)/100.0f : 100.0f / (100.0f+val));
}
bool Utf8toWStr(const std::string& utf8str, std::wstring& wstr);
// in wsize==max size of buffer, out wsize==real string size
bool Utf8toWStr(char const* utf8str, size_t csize, wchar_t* wstr, size_t& wsize);
inline bool Utf8toWStr(const std::string& utf8str, wchar_t* wstr, size_t& wsize)
{
return Utf8toWStr(utf8str.c_str(), utf8str.size(), wstr, wsize);
}
bool WStrToUtf8(std::wstring wstr, std::string& utf8str);
// size==real string size
bool WStrToUtf8(wchar_t* wstr, size_t size, std::string& utf8str);
size_t utf8length(std::string& utf8str); // set string to "" if invalid utf8 sequence
void utf8truncate(std::string& utf8str,size_t len);
inline bool isBasicLatinCharacter(wchar_t wchar)
{
if(wchar >= L'a' && wchar <= L'z') // LATIN SMALL LETTER A - LATIN SMALL LETTER Z
return true;
if(wchar >= L'A' && wchar <= L'Z') // LATIN CAPITAL LETTER A - LATIN CAPITAL LETTER Z
return true;
return false;
}
inline bool isExtendedLatinCharacter(wchar_t wchar)
{
if(isBasicLatinCharacter(wchar))
return true;
if(wchar >= 0x00C0 && wchar <= 0x00D6) // LATIN CAPITAL LETTER A WITH GRAVE - LATIN CAPITAL LETTER O WITH DIAERESIS
return true;
if(wchar >= 0x00D8 && wchar <= 0x00DF) // LATIN CAPITAL LETTER O WITH STROKE - LATIN CAPITAL LETTER THORN
return true;
if(wchar == 0x00DF) // LATIN SMALL LETTER SHARP S
return true;
if(wchar >= 0x00E0 && wchar <= 0x00F6) // LATIN SMALL LETTER A WITH GRAVE - LATIN SMALL LETTER O WITH DIAERESIS
return true;
if(wchar >= 0x00F8 && wchar <= 0x00FE) // LATIN SMALL LETTER O WITH STROKE - LATIN SMALL LETTER THORN
return true;
if(wchar >= 0x0100 && wchar <= 0x012F) // LATIN CAPITAL LETTER A WITH MACRON - LATIN SMALL LETTER I WITH OGONEK
return true;
if(wchar == 0x1E9E) // LATIN CAPITAL LETTER SHARP S
return true;
return false;
}
inline bool isCyrillicCharacter(wchar_t wchar)
{
if(wchar >= 0x0410 && wchar <= 0x044F) // CYRILLIC CAPITAL LETTER A - CYRILLIC SMALL LETTER YA
return true;
if(wchar == 0x0401 || wchar == 0x0451) // CYRILLIC CAPITAL LETTER IO, CYRILLIC SMALL LETTER IO
return true;
return false;
}
inline bool isEastAsianCharacter(wchar_t wchar)
{
if(wchar >= 0x1100 && wchar <= 0x11F9) // Hangul Jamo
return true;
if(wchar >= 0x3041 && wchar <= 0x30FF) // Hiragana + Katakana
return true;
if(wchar >= 0x3131 && wchar <= 0x318E) // Hangul Compatibility Jamo
return true;
if(wchar >= 0x31F0 && wchar <= 0x31FF) // Katakana Phonetic Ext.
return true;
if(wchar >= 0x3400 && wchar <= 0x4DB5) // CJK Ideographs Ext. A
return true;
if(wchar >= 0x4E00 && wchar <= 0x9FC3) // Unified CJK Ideographs
return true;
if(wchar >= 0xAC00 && wchar <= 0xD7A3) // Hangul Syllables
return true;
if(wchar >= 0xFF01 && wchar <= 0xFFEE) // Halfwidth forms
return true;
return false;
}
inline bool isNumeric(wchar_t wchar)
{
return (wchar >= L'0' && wchar <=L'9');
}
inline bool isNumeric(char c)
{
return (c >= '0' && c <='9');
}
inline bool isNumericOrSpace(wchar_t wchar)
{
return isNumeric(wchar) || wchar == L' ';
}
inline bool isBasicLatinString(std::wstring wstr, bool numericOrSpace)
{
for(size_t i = 0; i < wstr.size(); ++i)
if(!isBasicLatinCharacter(wstr[i]) && (!numericOrSpace || !isNumericOrSpace(wstr[i])))
return false;
return true;
}
inline bool isExtendedLatinString(std::wstring wstr, bool numericOrSpace)
{
for(size_t i = 0; i < wstr.size(); ++i)
if(!isExtendedLatinCharacter(wstr[i]) && (!numericOrSpace || !isNumericOrSpace(wstr[i])))
return false;
return true;
}
inline bool isCyrillicString(std::wstring wstr, bool numericOrSpace)
{
for(size_t i = 0; i < wstr.size(); ++i)
if(!isCyrillicCharacter(wstr[i]) && (!numericOrSpace || !isNumericOrSpace(wstr[i])))
return false;
return true;
}
inline bool isEastAsianString(std::wstring wstr, bool numericOrSpace)
{
for(size_t i = 0; i < wstr.size(); ++i)
if(!isEastAsianCharacter(wstr[i]) && (!numericOrSpace || !isNumericOrSpace(wstr[i])))
return false;
return true;
}
inline wchar_t wcharToUpper(wchar_t wchar)
{
if(wchar >= L'a' && wchar <= L'z') // LATIN SMALL LETTER A - LATIN SMALL LETTER Z
return wchar_t(uint16(wchar)-0x0020);
if(wchar == 0x00DF) // LATIN SMALL LETTER SHARP S
return wchar_t(0x1E9E);
if(wchar >= 0x00E0 && wchar <= 0x00F6) // LATIN SMALL LETTER A WITH GRAVE - LATIN SMALL LETTER O WITH DIAERESIS
return wchar_t(uint16(wchar)-0x0020);
if(wchar >= 0x00F8 && wchar <= 0x00FE) // LATIN SMALL LETTER O WITH STROKE - LATIN SMALL LETTER THORN
return wchar_t(uint16(wchar)-0x0020);
if(wchar >= 0x0101 && wchar <= 0x012F) // LATIN SMALL LETTER A WITH MACRON - LATIN SMALL LETTER I WITH OGONEK (only %2=1)
{
if(wchar % 2 == 1)
return wchar_t(uint16(wchar)-0x0001);
}
if(wchar >= 0x0430 && wchar <= 0x044F) // CYRILLIC SMALL LETTER A - CYRILLIC SMALL LETTER YA
return wchar_t(uint16(wchar)-0x0020);
if(wchar == 0x0451) // CYRILLIC SMALL LETTER IO
return wchar_t(0x0401);
return wchar;
}
inline wchar_t wcharToUpperOnlyLatin(wchar_t wchar)
{
return isBasicLatinCharacter(wchar) ? wcharToUpper(wchar) : wchar;
}
inline wchar_t wcharToLower(wchar_t wchar)
{
if(wchar >= L'A' && wchar <= L'Z') // LATIN CAPITAL LETTER A - LATIN CAPITAL LETTER Z
return wchar_t(uint16(wchar)+0x0020);
if(wchar >= 0x00C0 && wchar <= 0x00D6) // LATIN CAPITAL LETTER A WITH GRAVE - LATIN CAPITAL LETTER O WITH DIAERESIS
return wchar_t(uint16(wchar)+0x0020);
if(wchar >= 0x00D8 && wchar <= 0x00DE) // LATIN CAPITAL LETTER O WITH STROKE - LATIN CAPITAL LETTER THORN
return wchar_t(uint16(wchar)+0x0020);
if(wchar >= 0x0100 && wchar <= 0x012E) // LATIN CAPITAL LETTER A WITH MACRON - LATIN CAPITAL LETTER I WITH OGONEK (only %2=0)
{
if(wchar % 2 == 0)
return wchar_t(uint16(wchar)+0x0001);
}
if(wchar == 0x1E9E) // LATIN CAPITAL LETTER SHARP S
return wchar_t(0x00DF);
if(wchar == 0x0401) // CYRILLIC CAPITAL LETTER IO
return wchar_t(0x0451);
if(wchar >= 0x0410 && wchar <= 0x042F) // CYRILLIC CAPITAL LETTER A - CYRILLIC CAPITAL LETTER YA
return wchar_t(uint16(wchar)+0x0020);
return wchar;
}
inline void wstrToUpper(std::wstring& str)
{
std::transform( str.begin(), str.end(), str.begin(), wcharToUpper );
}
inline void wstrToLower(std::wstring& str)
{
std::transform( str.begin(), str.end(), str.begin(), wcharToLower );
}
std::wstring GetMainPartOfName(std::wstring wname, uint32 declension);
bool utf8ToConsole(const std::string& utf8str, std::string& conStr);
bool consoleToUtf8(const std::string& conStr,std::string& utf8str);
bool Utf8FitTo(const std::string& str, std::wstring search);
void utf8printf(FILE *out, const char *str, ...);
void vutf8printf(FILE *out, const char *str, va_list* ap);
bool IsIPAddress(char const* ipaddress);
uint32 CreatePIDFile(const std::string& filename);
#endif
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