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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:49:04 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:49:04 +0000 |
commit | 16f504a9dca3fe3b70568f67b7d41241ae485288 (patch) | |
tree | c60f36ada0496ba928b7161059ba5ab1ab224f9d /src/libs/xpcom18a4/xpcom/ds/nsInt64.h | |
parent | Initial commit. (diff) | |
download | virtualbox-16f504a9dca3fe3b70568f67b7d41241ae485288.tar.xz virtualbox-16f504a9dca3fe3b70568f67b7d41241ae485288.zip |
Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/libs/xpcom18a4/xpcom/ds/nsInt64.h')
-rw-r--r-- | src/libs/xpcom18a4/xpcom/ds/nsInt64.h | 399 |
1 files changed, 399 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/ds/nsInt64.h b/src/libs/xpcom18a4/xpcom/ds/nsInt64.h new file mode 100644 index 00000000..c7421548 --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/ds/nsInt64.h @@ -0,0 +1,399 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is mozilla.org code. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either of the GNU General Public License Version 2 or later (the "GPL"), + * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +#ifndef nsInt64_h__ +#define nsInt64_h__ + +#include "prlong.h" +#include "nscore.h" + +/** + * This class encapsulates full 64-bit integer functionality and + * provides simple arithmetic and conversion operations. + */ + +// If you ever decide that you need to add a non-inline method to this +// class, be sure to change the class declaration to "class NS_BASE +// nsInt64". + +template<class T> +class nsTInt64 +{ +public: //XXX should be private + T mValue; + +public: + /** + * Construct a new 64-bit integer. + */ + nsTInt64(void) : mValue(LL_ZERO) { + } + + /** + * Construct a new 64-bit integer from a 32-bit signed integer + */ + nsTInt64(const PRInt32 aInt32) { + LL_I2L(mValue, aInt32); + } + + /** + * Construct a new 64-bit integer from a 32-bit unsigned integer + */ + nsTInt64(const PRUint32 aUint32) { + LL_UI2L(mValue, aUint32); + } + + /** + * Construct a new 64-bit integer from a floating point value. + */ + nsTInt64(const PRFloat64 aFloat64) { + LL_D2L(mValue, aFloat64); + } + + /** + * Construct a new 64-bit integer from a native 64-bit integer + */ + nsTInt64(const T aInt64) : mValue(aInt64) { + } + + /** + * Construct a new 64-bit integer from another 64-bit integer + */ + nsTInt64(const nsTInt64& aObject) : mValue(aObject.mValue) { + } + + // ~nsTInt64(void) -- XXX destructor unnecessary + + /** + * Assign a 64-bit integer to another 64-bit integer + */ + const nsTInt64& operator =(const nsTInt64& aObject) { + mValue = aObject.mValue; + return *this; + } + + /** + * Convert a 64-bit integer to a signed 32-bit value + */ + operator PRInt32(void) const { + PRInt32 result; + LL_L2I(result, mValue); + return result; + } + + /** + * Convert a 64-bit integer to an unsigned 32-bit value + */ + operator PRUint32(void) const { + PRUint32 result; + LL_L2UI(result, mValue); + return result; + } + + /** + * Convert a 64-bit integer to a floating point value + */ + operator PRFloat64(void) const { + PRFloat64 result; + LL_L2D(result, mValue); + return result; + } + + /** + * Convert a 64-bit integer to a native 64-bit integer. + */ + operator T() const { + return mValue; + } + + /** + * Perform unary negation on a 64-bit integer. + */ + const nsTInt64 operator -(void) { + nsTInt64 result; + LL_NEG(result.mValue, mValue); + return result; + } + + // Arithmetic operators + + /** + * Increment a 64-bit integer by a 64-bit integer amount. + */ + nsTInt64& operator +=(const nsTInt64& aObject) { + LL_ADD(mValue, mValue, aObject.mValue); + return *this; + } + + /** + * Decrement a 64-bit integer by a 64-bit integer amount. + */ + nsTInt64& operator -=(const nsTInt64& aObject) { + LL_SUB(mValue, mValue, aObject.mValue); + return *this; + } + + /** + * Multiply a 64-bit integer by a 64-bit integer amount. + */ + nsTInt64& operator *=(const nsTInt64& aObject) { + LL_MUL(mValue, mValue, aObject.mValue); + return *this; + } + + /** + * Divide a 64-bit integer by a 64-bit integer amount. + */ + nsTInt64& operator /=(const nsTInt64& aObject) { + LL_DIV(mValue, mValue, aObject.mValue); + return *this; + } + + /** + * Compute the modulus of a 64-bit integer to a 64-bit value. + */ + nsTInt64& operator %=(const nsTInt64& aObject) { + LL_MOD(mValue, mValue, aObject.mValue); + return *this; + } + + /** + * Shift a 64-bit integer left. + */ + nsTInt64& operator <<=(int aCount) { + LL_SHL(mValue, mValue, aCount); + return *this; + } + + /** + * Shift a 64-bit signed integer right. + */ + nsTInt64& operator >>=(int aCount) { + LL_SHR(mValue, mValue, aCount); + return *this; + } + + // Comparison operators + /** + * Add two 64-bit integers. + */ + inline const nsTInt64 + operator +(const nsTInt64& aObject2) const { + return nsTInt64(*this) += aObject2; + } + + /** + * Subtract one 64-bit integer from another. + */ + inline const nsTInt64 + operator -(const nsTInt64& aObject2) const { + return nsTInt64(*this) -= aObject2; + } + + /** + * Multiply two 64-bit integers + */ + inline const nsTInt64 + operator *(const nsTInt64& aObject2) const { + return nsTInt64(*this) *= aObject2; + } + + /** + * Divide one 64-bit integer by another + */ + inline const nsTInt64 + operator /(const nsTInt64& aObject2) const { + return nsTInt64(*this) /= aObject2; + } + + /** + * Compute the modulus of two 64-bit integers + */ + inline const nsTInt64 + operator %(const nsTInt64& aObject2) const { + return nsTInt64(*this) %= aObject2; + } + + /** + * Shift left a 64-bit integer + */ + inline const nsTInt64 + operator <<(int aCount) const { + return nsTInt64(*this) <<= aCount; + } + + /** + * Shift right a signed 64-bit integer + */ + inline const nsTInt64 + operator >>(int aCount) const { + return nsTInt64(*this) >>= aCount; + } + + /** + * Determine if two 64-bit integers are equal + */ + inline PRBool + operator ==(const nsTInt64& aObject2) const { + return LL_EQ(mValue, aObject2.mValue); + } + + /** + * Determine if two 64-bit integers are not equal + */ + inline PRBool + operator !=(const nsTInt64& aObject2) const { + return LL_NE(mValue, aObject2.mValue); + } + + + /** + * Perform a bitwise AND of two 64-bit integers + */ + inline const nsTInt64 + operator &(const nsTInt64& aObject2) const { + return nsTInt64(*this) &= aObject2; + } + + /** + * Perform a bitwise OR of two 64-bit integers + */ + inline const nsTInt64 + operator |(const nsTInt64& aObject2) const { + return nsTInt64(*this) |= aObject2; + } + + /** + * Perform a bitwise XOR of two 64-bit integers + */ + inline const nsTInt64 + operator ^(const nsTInt64& aObject2) const { + return nsTInt64(*this) ^= aObject2; + } + + // Bitwise operators + + /** + * Compute the bitwise NOT of a 64-bit integer + */ + const nsTInt64 operator ~(void) const { + nsTInt64 result; + LL_NOT(result.mValue, mValue); + return result; + } + + /** + * Compute the bitwise AND with another 64-bit integer + */ + nsTInt64& operator &=(const nsTInt64& aObject) { + LL_AND(mValue, mValue, aObject.mValue); + return *this; + } + + /** + * Compute the bitwise OR with another 64-bit integer + */ + nsTInt64& operator |=(const nsTInt64& aObject) { + LL_OR(mValue, mValue, aObject.mValue); + return *this; + } + + /** + * Compute the bitwise XOR with another 64-bit integer + */ + nsTInt64& operator ^=(const nsTInt64& aObject) { + LL_XOR(mValue, mValue, aObject.mValue); + return *this; + } +}; + +typedef nsTInt64<PRInt64> nsInt64; +typedef nsTInt64<PRUint64> nsUint64; + +/** + * Determine if one 64-bit integer is strictly greater than another, using signed values + */ +inline PRBool +operator >(const nsInt64& aObject1, const nsInt64& aObject2) { + return LL_CMP(aObject1.mValue, >, aObject2.mValue); +} + +inline PRBool +operator >(const nsUint64& aObject1, const nsUint64& aObject2) { + return LL_UCMP(aObject1.mValue, >, aObject2.mValue); +} + +/** + * Determine if one 64-bit integer is greater than or equal to another, using signed values + */ +inline PRBool +operator >=(const nsInt64& aObject1, const nsInt64& aObject2) { + return ! LL_CMP(aObject1.mValue, <, aObject2.mValue); +} + +inline PRBool +operator >=(const nsUint64& aObject1, const nsUint64& aObject2) { + return ! LL_UCMP(aObject1.mValue, <, aObject2.mValue); +} + +/** + * Determine if one 64-bit integer is strictly less than another, using signed values + */ +inline PRBool +operator <(const nsInt64& aObject1, const nsInt64& aObject2) { + return LL_CMP(aObject1.mValue, <, aObject2.mValue); +} + +inline PRBool +operator <(const nsUint64& aObject1, const nsUint64& aObject2) { + return LL_UCMP(aObject1.mValue, <, aObject2.mValue); +} + +/** + * Determine if one 64-bit integers is less than or equal to another, using signed values + */ +inline PRBool +operator <=(const nsInt64& aObject1, const nsInt64& aObject2) { + return ! LL_CMP(aObject1.mValue, >, aObject2.mValue); +} + +inline PRBool +operator <=(const nsUint64& aObject1, const nsUint64& aObject2) { + return ! LL_UCMP(aObject1.mValue, >, aObject2.mValue); +} + +#endif // nsInt64_h__ |