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/*
Variables Plugin for Miranda-IM (www.miranda-im.org)
Copyright 2003-2006 P. Boon
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
*/
#include "variables.h"
static TCHAR *parseAdd(ARGUMENTSINFO *ai)
{
if (ai->argc < 3)
return NULL;
int result = 0;
for (unsigned int i = 1; i < ai->argc; i++)
result += ttoi(ai->targv[i]);
return itot(result);
}
static TCHAR *parseDiv(ARGUMENTSINFO *ai)
{
if (ai->argc != 3)
return NULL;
int val1 = ttoi(ai->targv[1]);
int val2 = ttoi(ai->targv[2]);
if (val2 == 0)
return NULL;
return itot(val1 / val2);
}
static TCHAR *parseHex(ARGUMENTSINFO *ai)
{
unsigned int i;
TCHAR szVal[34];
if (ai->argc != 3)
return NULL;
int val = ttoi(ai->targv[1]);
int padding = ttoi(ai->targv[2]);
mir_sntprintf(szVal, _countof(szVal), _T("%x"), val);
unsigned int zeros = max(padding - (signed int)mir_tstrlen(szVal), 0);
TCHAR *res = (TCHAR*)mir_alloc((zeros + mir_tstrlen(szVal) + 3)*sizeof(TCHAR));
if (res == NULL)
return NULL;
memset(res, 0, ((zeros + mir_tstrlen(szVal) + 3) * sizeof(TCHAR)));
mir_tstrcpy(res, _T("0x"));
for (i = 0; i < zeros; i++)
*(res + 2 + i) = '0';
mir_tstrcat(res, szVal);
return res;
}
static TCHAR *parseMod(ARGUMENTSINFO *ai)
{
if (ai->argc != 3)
return NULL;
int val1 = ttoi(ai->targv[1]);
int val2 = ttoi(ai->targv[2]);
if (val2 == 0)
return NULL;
return itot(val1 % val2);
}
static TCHAR *parseMul(ARGUMENTSINFO *ai)
{
if (ai->argc < 3)
return NULL;
int result = ttoi(ai->targv[1]);
for (unsigned i = 2; i < ai->argc; i++)
result *= ttoi(ai->targv[i]);
return itot(result);
}
static TCHAR *parseMuldiv(ARGUMENTSINFO *ai)
{
if (ai->argc != 4)
return NULL;
if (ttoi(ai->targv[3]) == 0)
return NULL;
return itot((ttoi(ai->targv[1])*ttoi(ai->targv[2])) / ttoi(ai->targv[3]));
}
static TCHAR *parseMin(ARGUMENTSINFO *ai)
{
if (ai->argc < 2)
return NULL;
int minVal = ttoi(ai->targv[1]);
for (unsigned i = 2; i < ai->argc; i++)
minVal = min(ttoi(ai->targv[i]), minVal);
return itot(minVal);
}
static TCHAR *parseMax(ARGUMENTSINFO *ai)
{
if (ai->argc < 2)
return NULL;
int maxVal = ttoi(ai->targv[1]);
for (unsigned i = 2; i < ai->argc; i++)
maxVal = max(ttoi(ai->targv[i]), maxVal);
return itot(maxVal);
}
static TCHAR *parseNum(ARGUMENTSINFO *ai)
{
if (ai->argc != 3)
return NULL;
int val = ttoi(ai->targv[1]);
int padding = ttoi(ai->targv[2]);
TCHAR *szVal = itot(val);
if (szVal == NULL)
return NULL;
unsigned zeros = max(padding - (signed int)mir_tstrlen(szVal), 0);
TCHAR *res = (TCHAR*)mir_alloc((zeros + mir_tstrlen(szVal) + 1)*sizeof(TCHAR));
if (res == NULL) {
mir_free(szVal);
return NULL;
}
memset(res, 0, ((zeros + mir_tstrlen(szVal) + 1) * sizeof(TCHAR)));
TCHAR *cur = res;
for (unsigned i = 0; i < zeros; i++)
*cur++ = '0';
mir_tstrcat(res, szVal);
mir_free(szVal);
return res;
}
static TCHAR *parseRand(ARGUMENTSINFO *ai)
{
return itot(rand());
}
static TCHAR *parseSub(ARGUMENTSINFO *ai)
{
if (ai->argc < 3)
return NULL;
int result = ttoi(ai->targv[1]);
for (unsigned i = 2; i < ai->argc; i++)
result -= ttoi(ai->targv[i]);
return itot(result);
}
void registerMathTokens()
{
registerIntToken(ADD, parseAdd, TRF_FUNCTION, LPGEN("Mathematical Functions") "\t(x,y ,...)\t" LPGEN("x + y + ..."));
registerIntToken(DIV, parseDiv, TRF_FUNCTION, LPGEN("Mathematical Functions") "\t(x,y)\t" LPGEN("x divided by y"));
registerIntToken(HEX, parseHex, TRF_FUNCTION, LPGEN("Mathematical Functions") "\t(x,y)\t" LPGEN("converts decimal value x to hex value and padds to length y"));
registerIntToken(MOD, parseMod, TRF_FUNCTION, LPGEN("Mathematical Functions") "\t(x,y)\t" LPGEN("x modulo y (remainder of x divided by y)"));
registerIntToken(MUL, parseMul, TRF_FUNCTION, LPGEN("Mathematical Functions") "\t(x,y)\t" LPGEN("x times y"));
registerIntToken(MULDIV, parseMuldiv, TRF_FUNCTION, LPGEN("Mathematical Functions") "\t(x,y,z)\t" LPGEN("x times y divided by z"));
registerIntToken(MIN, parseMin, TRF_FUNCTION, LPGEN("Mathematical Functions") "\t(x,y,...)\t" LPGEN("minimum value of (decimal) arguments"));
registerIntToken(MAX, parseMax, TRF_FUNCTION, LPGEN("Mathematical Functions") "\t(x,y,...)\t" LPGEN("maximum value of (decimal) arguments"));
registerIntToken(NUM, parseNum, TRF_FUNCTION, LPGEN("Mathematical Functions") "\t(x,y)\t" LPGEN("pads decimal value x to length y with zeros"));
registerIntToken(RAND, parseRand, TRF_FUNCTION, LPGEN("Mathematical Functions") "\t()\t" LPGEN("random number"));
registerIntToken(SUB, parseSub, TRF_FUNCTION, LPGEN("Mathematical Functions") "\t(x,y,...)\t" LPGEN("x - y - ..."));
srand((unsigned int)GetTickCount());
}
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