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