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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitce4a32fe52ef09d8f5ff1dd22c001110902b60a2 (patch)
tree5ac38a06f3dde268dc7927dc155896926aaf7012 /kjs/operations.h
downloadtdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.tar.gz
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Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+// -*- c-basic-offset: 2 -*-
+/*
+ * This file is part of the KDE libraries
+ * Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef _KJS_OPERATIONS_H_
+#define _KJS_OPERATIONS_H_
+
+#include "value.h"
+
+namespace KJS {
+
+ class ExecState;
+
+ /**
+ * @return True if d is not a number (platform support required).
+ */
+ bool isNaN(double d);
+ /**
+ * @return True if d is infinite (platform support required).
+ */
+ bool isInf(double d);
+ bool isPosInf(double d);
+ bool isNegInf(double d);
+ bool equal(ExecState *exec, const Value& v1, const Value& v2);
+ bool strictEqual(ExecState *exec, const Value &v1, const Value &v2);
+ /**
+ * This operator performs an abstract relational comparison of the two
+ * arguments that can be of arbitrary type. If possible, conversions to the
+ * string or number type will take place before the comparison.
+ *
+ * @return 1 if v1 is "less-than" v2, 0 if the relation is "greater-than-or-
+ * equal". -1 if the result is undefined.
+ */
+ int relation(ExecState *exec, const Value& v1, const Value& v2);
+ int maxInt(int d1, int d2);
+ int minInt(int d1, int d2);
+ /**
+ * Additive operator. Either performs an addition or substraction of v1
+ * and v2.
+ * @param exec execution state.
+ * @param v1 First operand.
+ * @param v2 Second operand.
+ * @param oper '+' or '-' for an addition or substraction, respectively.
+ * @return The result of the operation.
+ */
+ Value add(ExecState *exec, const Value &v1, const Value &v2, char oper);
+ /**
+ * Multiplicative operator. Either multiplies/divides v1 and v2 or
+ * calculates the remainder from an division.
+ * @param exec execution state.
+ * @param v1 First operand.
+ * @param v2 Second operand.
+ * @param oper '*', '/' or '%' for a multiplication, division or
+ * modulo operation.
+ * @return The result of the operation.
+ */
+ Value mult(ExecState *exec, const Value &v1, const Value &v2, char oper);
+
+}
+
+#endif