diff options
Diffstat (limited to 'plugins/Popup/src/formula.h')
| -rw-r--r-- | plugins/Popup/src/formula.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/plugins/Popup/src/formula.h b/plugins/Popup/src/formula.h new file mode 100644 index 0000000000..b0239c5551 --- /dev/null +++ b/plugins/Popup/src/formula.h @@ -0,0 +1,98 @@ +/*
+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.h $
+Revision : $Revision: 1610 $
+Last change on : $Date: 2010-06-23 00:55:13 +0300 (Ср, 23 июн 2010) $
+Last change by : $Author: Merlin_de $
+
+===============================================================================
+*/
+
+#ifndef __formula_h__
+#define __formula_h__
+
+class Formula
+{
+public:
+ class Args
+ {
+ private:
+ struct Item
+ {
+ char *name;
+ int value;
+ Item *next;
+
+ Item(char *aName, int aValue, Item *aNext): value(aValue), next(aNext) { name = aName ? mir_strdup(aName) : 0; }
+ ~Item() { if (name) mir_free(name); }
+ };
+ Item *items;
+ public:
+ Args():items(0){}
+ ~Args(){clear();}
+ void add(char *name, int value)
+ {
+ for (Item *p = items; p; p = p->next)
+ if (!lstrcmpA(p->name,name))
+ {
+ p->value = value;
+ return;
+ }
+ items = new Item(name, value, items);
+ }
+ int get(char *name)
+ {
+ for (Item *p = items; p; p = p->next)
+ if (!lstrcmpA(p->name,name))
+ return p->value;
+ return 0;
+ }
+ void clear()
+ {
+ while (items)
+ {
+ Item *p = items->next;
+ delete items;
+ items = p;
+ }
+ }
+ };
+
+private:
+ char *m_str;
+ int eval_neq (char *&s, Args *args, bool *vars) const;
+ int eval_sum (char *&s, Args *args, bool *vars) const;
+ int eval_mul (char *&s, Args *args, bool *vars) const;
+ int eval_atom(char *&s, Args *args, bool *vars) const;
+
+public:
+ Formula():m_str(mir_strdup("")){}
+ Formula(char *s):m_str(mir_strdup(s)){}
+ ~Formula() {mir_free(m_str);}
+ void set(char *s){mir_free(m_str);m_str=mir_strdup(s);}
+ int eval(Args *args, bool *vars = 0) const;
+};
+
+#endif // __formula_h__
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