diff options
Diffstat (limited to 'popup/src/formula.cpp')
| -rw-r--r-- | popup/src/formula.cpp | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/popup/src/formula.cpp b/popup/src/formula.cpp deleted file mode 100644 index 37002c9..0000000 --- a/popup/src/formula.cpp +++ /dev/null @@ -1,177 +0,0 @@ -/*
-Popup Plus plugin for Miranda IM
-
-Copyright © 2002 Luca Santarelli,
- © 2004-2007 Victor Pavlychko
- © 2010 MPK
- © 2010 Merlin_de
-
-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.
-
-===============================================================================
-
-File name : $HeadURL: http://svn.miranda.im/mainrepo/popup/trunk/src/formula.cpp $
-Revision : $Revision: 1610 $
-Last change on : $Date: 2010-06-23 00:55:13 +0300 (Ср, 23 июн 2010) $
-Last change by : $Author: Merlin_de $
-
-===============================================================================
-*/
-
-#include "headers.h"
-
-static inline bool myisspace(char ch)
-{
- return (ch >= 0) && (ch <= 32);
-}
-
-int Formula::eval_neq(char *&s, Args *args, bool *vars) const
-{
- int left = eval_sum(s, args, vars);
- while (*s)
- {
- if (myisspace(*s))
- {
- ++s;
- } else
- if (*s == '<')
- {
- // this is needed due to side effects caused by min() macro...
- int tmp = eval_sum(++s, args, vars);
- left = min(left, tmp);
- } else
- if (*s == '>')
- {
- // this is needed due to side effects caused by max() macro...
- int tmp = eval_sum(++s, args, vars);
- left = max(left, tmp);
- } else
- {
- break;
- }
- }
- return left;
-}
-
-int Formula::eval_sum(char *&s, Args *args, bool *vars) const
-{
- int left = eval_mul(s, args, vars);
- while (*s)
- {
- if (myisspace(*s))
- {
- ++s;
- } else
- if (*s == '+')
- {
- left += eval_mul(++s, args, vars);
- } else
- if (*s == '-')
- {
- left -= eval_mul(++s, args, vars);
- } else
- {
- break;
- }
- }
- return left;
-}
-
-int Formula::eval_mul(char *&s, Args *args, bool *vars) const
-{
- int left = eval_atom(s, args, vars);
- while (*s)
- {
- if (myisspace(*s))
- {
- ++s;
- } else
- if(*s == '*')
- {
- left *= eval_atom(++s, args, vars);
- } else
- if(*s == '/')
- {
- if (int right = eval_atom(++s, args, vars))
- left /= right;
- } else
- if(*s == '%')
- {
- if (int right = eval_atom(++s, args, vars))
- left %= right;
- } else
- {
- break;
- }
- }
- return left;
-}
-
-int Formula::eval_atom(char *&s, Args *args, bool *vars) const
-{
- while (*s)
- {
- if (myisspace(*s))
- {
- ++s;
- } else
- if (*s == '(')
- {
- int res = eval_neq(++s, args, vars);
- if (*s == ')')
- ++s;
- return res;
- } else
- if ((*s == '+') || (*s == '-'))
- {
- int sign = 1;
- if (*s == '-')
- sign = -1;
- return sign * eval_neq(++s, args, vars);
- } else
- if (*s == '!')
- {
- return !eval_neq(++s, args, vars);
- } else
- if ((*s >= '0') && (*s <= '9'))
- {
- int res = 0;
- while ((*s >= '0') && (*s <= '9'))
- res = res * 10 + *s++ - '0';
- return res;
- } else
- {
- if (!args)
- return 0;
- char buf[1024];
- char *bufptr = buf;
- while (((*s >= '0') && (*s <= '9')) || ((*s >= 'a') && (*s <= 'z')) || ((*s >= 'A') && (*s <= 'A')) || (*s == '_') || (*s == '.'))
- *bufptr++ = *s++;
- *bufptr = 0;
- int res = args->get(buf);
- if (vars) *vars = true;
- return res;
- }
- }
- return 0;
-}
-
-int Formula::eval(Args *args, bool *vars) const
-{
- if (vars) *vars = false;
- char *s = m_str;
- int res = eval_neq(s, args, vars);
- return res;
-}
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