StringToHex.cpp

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00001 /*
00002 // $Id: //open/dev/fennel/calculator/StringToHex.cpp#2 $
00003 // Fennel is a library of data storage and processing components.
00004 // Copyright (C) 2005-2009 The Eigenbase Project
00005 // Copyright (C) 2004-2009 SQLstream, Inc.
00006 // Copyright (C) 2009-2009 LucidEra, Inc.
00007 //
00008 // This program is free software; you can redistribute it and/or modify it
00009 // under the terms of the GNU General Public License as published by the Free
00010 // Software Foundation; either version 2 of the License, or (at your option)
00011 // any later version approved by The Eigenbase Project.
00012 //
00013 // This program is distributed in the hope that it will be useful,
00014 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00015 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016 // GNU General Public License for more details.
00017 //
00018 // You should have received a copy of the GNU General Public License
00019 // along with this program; if not, write to the Free Software
00020 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00021 */
00022 
00023 #include "fennel/common/CommonPreamble.h"
00024 #include "fennel/calculator/StringToHex.h"
00025 
00026 #include <string>
00027 #include <sstream>
00028 #include <iomanip>
00029 
00030 FENNEL_BEGIN_CPPFILE("$Id: //open/dev/fennel/calculator/StringToHex.cpp#2 $");
00031 
00032 using namespace fennel;
00033 using namespace std;
00034 
00035 // returns a hex-coded string
00036 string
00037 stringToHex(char const * const buf)
00038 {
00039     assert(buf != NULL);
00040     uint buflen = strlen(buf);
00041     return stringToHex(buf, buflen);
00042 }
00043 
00044 string
00045 stringToHex(string const & s)
00046 {
00047     return stringToHex(s.c_str());
00048 }
00049 
00050 string
00051 stringToHex(char const * const buf, uint buflen)
00052 {
00053     assert(buf != NULL);
00054     ostringstream ostr;
00055     for (uint i = 0; i < buflen; i++) {
00056         unsigned char ch = (unsigned char) buf[i];
00057         ostr << hex << setw(2) << setfill('0') << (uint) ch;
00058     }
00059     return ostr.str();
00060 }
00061 
00062 FENNEL_END_CPPFILE("$Id: //open/dev/fennel/calculator/StringToHex.cpp#2 $");
00063 
00064 // End StringToHex.cpp

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