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File: [Pegasus] / pegasus / src / Pegasus / Common / Attic / Packer.h
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Revision: 1.2, Fri Jun 17 18:42:06 2005 UTC (19 years ago) by david.dillard Branch: MAIN CVS Tags: RELEASE_2_5_0-RC1, RELEASE_2_5_0, PEGASUS_2_5_0_PerformanceDev-string-end, PEGASUS_2_5_0_PerformanceDev-rootlt, PEGASUS_2_5_0_PerformanceDev-root, PEGASUS_2_5_0_PerformanceDev-String, PEGASUS_2_5_0_PerformanceDev-AtomicInt-branch, NPEGASUS_2_5_0_PerformanceDev-String-root, NNPEGASUS_2_5_0_PerformanceDev-String-branch Branch point for: PEGASUS_2_5_0_PerformanceDev-branch Changes since 1.1: +1 -1 lines BUG#: 3813 TITLE: Fixed inclusion of Array header file. DESCRIPTION: The wrong Array header file was included and this was causing linker problems under some circumstances. |
//%2005//////////////////////////////////////////////////////////////////////// // // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.; // IBM Corp.; EMC Corporation, The Open Group. // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.; // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; // EMC Corporation; VERITAS Software Corporation; The Open Group. // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to // deal in the Software without restriction, including without limitation the // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or // sell copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // //============================================================================== // // Author: Michael E. Brasher // //%///////////////////////////////////////////////////////////////////////////// #ifndef _Pegasus_Common_Packer_h #define _Pegasus_Common_Packer_h #include <cassert> #include <Pegasus/Common/Config.h> #include <Pegasus/Common/ArrayInternal.h> #include <Pegasus/Common/String.h> #define PACKER_ASSERT assert PEGASUS_NAMESPACE_BEGIN /** This class packs the basic CIM data types into an array of characters. The elements are packed in a binary big-endian format. This class also provides unpacking functions as well. <p> This class is for internal use only. */ class PEGASUS_COMMON_LINKAGE Packer { public: static void packBoolean(Array<char>& out, Boolean x); static void packUint8(Array<char>& out, Uint8 x); static void packUint16(Array<char>& out, Uint16 x); static void packUint32(Array<char>& out, Uint32 x); static void packUint64(Array<char>& out, Uint64 x); static void packReal32(Array<char>& out, Real32 x); static void packReal64(Array<char>& out, Real64 x); static void packChar16(Array<char>& out, Char16 x); static void packString(Array<char>& out, const String& x); static void packSize(Array<char>& out, Uint32 x); static void packBoolean(Array<char>& out, const Boolean* x, Uint32 n); static void packUint8(Array<char>& out, const Uint8* x, Uint32 n); static void packUint16(Array<char>& out, const Uint16* x, Uint32 n); static void packUint32(Array<char>& out, const Uint32* x, Uint32 n); static void packUint64(Array<char>& out, const Uint64* x, Uint32 n); static void packReal32(Array<char>& out, const Real32* x, Uint32 n); static void packReal64(Array<char>& out, const Real64* x, Uint32 n); static void packChar16(Array<char>& out, const Char16* x, Uint32 n); static void packString(Array<char>& out, const String* x, Uint32 n); static void unpackBoolean(const Array<char>& in, Uint32& pos, Boolean& x); static void unpackUint8(const Array<char>& in, Uint32& pos, Uint8& x); static void unpackUint16(const Array<char>& in, Uint32& pos, Uint16& x); static void unpackUint32(const Array<char>& in, Uint32& pos, Uint32& x); static void unpackUint64(const Array<char>& in, Uint32& pos, Uint64& x); static void unpackReal32(const Array<char>& in, Uint32& pos, Real32& x); static void unpackReal64(const Array<char>& in, Uint32& pos, Real64& x); static void unpackChar16(const Array<char>& in, Uint32& pos, Char16& x); static void unpackString(const Array<char>& in, Uint32& pos, String& x); static void unpackSize(const Array<char>& out, Uint32& pos, Uint32& x); static void unpackBoolean( Array<char>& in, Uint32& pos, Boolean* x, Uint32 n); static void unpackUint8( Array<char>& in, Uint32& pos, Uint8* x, Uint32 n); static void unpackUint16( Array<char>& in, Uint32& pos, Uint16* x, Uint32 n); static void unpackUint32( Array<char>& in, Uint32& pos, Uint32* x, Uint32 n); static void unpackUint64( Array<char>& in, Uint32& pos, Uint64* x, Uint32 n); static void unpackReal32( Array<char>& in, Uint32& pos, Real32* x, Uint32 n); static void unpackReal64( Array<char>& in, Uint32& pos, Real64* x, Uint32 n); static void unpackChar16( Array<char>& in, Uint32& pos, Char16* x, Uint32 n); static void unpackString( Array<char>& in, Uint32& pos, String* x, Uint32 n); static bool isLittleEndian(); static Uint16 swapUint16(Uint16 x); static Uint32 swapUint32(Uint32 x); static Uint64 swapUint64(Uint64 x); static Uint16 swap(Uint16 x) { return swapUint16(x); } static Uint32 swap(Uint32 x) { return swapUint32(x); } static Uint64 swap(Uint64 x) { return swapUint64(x); } static void swap(Uint8& x, Uint8& y); }; inline bool Packer::isLittleEndian() { #if defined(PEGASUS_PLATFORM_LINUX_IA64_GNU) return true; #elif defined(PEGASUS_PLATFORM_LINUX_X86_GNU) return true; #else // You can add your platform above to avoid this calculation. union U { Uint16 x; Uint8 a[2]; } u; u.x = 1; return u.a[0] == 1; #endif } inline void Packer::packBoolean(Array<char>& out, Boolean x_) { Uint8 x = Uint8(x_); out.append((char*)&x, sizeof(x)); } inline void Packer::packUint8(Array<char>& out, Uint8 x) { out.append((char*)&x, sizeof(x)); } inline void Packer::packUint16(Array<char>& out, Uint16 x) { if (isLittleEndian()) x = Packer::swapUint16(x); out.append((char*)&x, sizeof(x)); } inline void Packer::packUint32(Array<char>& out, Uint32 x) { if (isLittleEndian()) x = Packer::swapUint32(x); out.append((char*)&x, sizeof(x)); } inline void Packer::packUint64(Array<char>& out, Uint64 x) { if (isLittleEndian()) x = Packer::swapUint64(x); out.append((char*)&x, sizeof(x)); } inline void Packer::packReal32(Array<char>& out, Real32 x) { packUint32(out, *((Uint32*)&x)); } inline void Packer::packReal64(Array<char>& out, Real64 x) { packUint64(out, *((Uint64*)&x)); } inline void Packer::packChar16(Array<char>& out, Char16 x) { packUint16(out, Uint16(x)); } inline void Packer::packReal32(Array<char>& out, const Real32* x, Uint32 n) { Packer::packUint32(out, (const Uint32*)x, n); } inline void Packer::packReal64(Array<char>& out, const Real64* x, Uint32 n) { Packer::packUint64(out, (const Uint64*)x, n); } inline void Packer::packChar16(Array<char>& out, const Char16* x, Uint32 n) { Packer::packUint16(out, (const Uint16*)x, n); } inline void Packer::unpackBoolean( const Array<char>& in, Uint32& pos, Boolean& x) { x = in[pos++] ? true : false; PACKER_ASSERT(pos <= in.size()); } inline void Packer::unpackUint8( const Array<char>& in, Uint32& pos, Uint8& x) { x = Uint8(in[pos++]); PACKER_ASSERT(pos <= in.size()); } inline void Packer::unpackReal32(const Array<char>& in, Uint32& pos, Real32& x) { Packer::unpackUint32(in, pos, *((Uint32*)&x)); PACKER_ASSERT(pos <= in.size()); } inline void Packer::unpackReal64(const Array<char>& in, Uint32& pos, Real64& x) { Packer::unpackUint64(in, pos, *((Uint64*)&x)); PACKER_ASSERT(pos <= in.size()); } inline void Packer::unpackChar16(const Array<char>& in, Uint32& pos, Char16& x) { Packer::unpackUint16(in, pos, *((Uint16*)&x)); PACKER_ASSERT(pos <= in.size()); } inline void Packer::unpackReal32( Array<char>& in, Uint32& pos, Real32* x, Uint32 n) { unpackUint32(in, pos, (Uint32*)x, n); PACKER_ASSERT(pos <= in.size()); } inline void Packer::unpackReal64( Array<char>& in, Uint32& pos, Real64* x, Uint32 n) { unpackUint64(in, pos, (Uint64*)x, n); PACKER_ASSERT(pos <= in.size()); } inline void Packer::unpackChar16( Array<char>& in, Uint32& pos, Char16* x, Uint32 n) { unpackUint16(in, pos, (Uint16*)x, n); PACKER_ASSERT(pos <= in.size()); } inline Uint16 Packer::swapUint16(Uint16 x) { return (Uint16)( (((Uint16)(x) & 0x00ffU) << 8) | (((Uint16)(x) & 0xff00U) >> 8)); } inline Uint32 Packer::swapUint32(Uint32 x) { return (Uint32)( (((Uint32)(x) & 0x000000ffUL) << 24) | (((Uint32)(x) & 0x0000ff00UL) << 8) | (((Uint32)(x) & 0x00ff0000UL) >> 8) | (((Uint32)(x) & 0xff000000UL) >> 24)); } inline void Packer::swap(Uint8& x, Uint8& y) { Uint8 t = x; x = y; y = t; } inline Uint64 Packer::swapUint64(Uint64 x) { union { Uint64 x; Uint8 bytes[8]; } u; u.x = x; Packer::swap(u.bytes[0], u.bytes[7]); Packer::swap(u.bytes[1], u.bytes[6]); Packer::swap(u.bytes[2], u.bytes[5]); Packer::swap(u.bytes[3], u.bytes[4]); return u.x; } PEGASUS_NAMESPACE_END #endif /* _Pegasus_Common_Packer_h */
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