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//
// StringUtil.cpp
//
// Copyright (C) : 2000 - 2002
// LifeLine Networks BV (www.lifeline.nl). All rights reserved.
// Bastiaan Bakker. All rights reserved.
//
// 2004,2005,2006,2007,2008,2009,2010,2011,2012
// Synchrotron SOLEIL
// L'Orme des Merisiers
// Saint-Aubin - BP 48 - France
//
// This file is part of log4tango.
//
// Log4ango is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Log4tango 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with Log4Tango. If not, see <http://www.gnu.org/licenses/>.
#include "StringUtil.hh"
#include <iterator>
#include <stdio.h>
#if defined(_MSC_VER)
#define VSNPRINTF _vsnprintf
#else
#ifdef LOG4TANGO_HAVE_SNPRINTF
#define VSNPRINTF vsnprintf
#else
/* use alternative snprintf() from http://www.ijs.si/software/snprintf/ */
#define HAVE_SNPRINTF
#define PREFER_PORTABLE_SNPRINTF
#include <stdlib.h>
#include <stdarg.h>
extern "C" {
#include "snprintf.c"
}
#define VSNPRINTF portable_vsnprintf
#endif // LOG4TANGO_HAVE_SNPRINTF
#endif // _MSC_VER
namespace log4tango {
std::string StringUtil::vform(const char* format, va_list args) {
size_t size = 1024;
char* buffer = new char[size];
while (1) {
int n = VSNPRINTF(buffer, size, format, args);
// If that worked, return a string.
if ((n > -1) && (static_cast<size_t>(n) < size)) {
std::string s(buffer);
delete [] buffer;
return s;
}
// Else try again with more space.
size = (n > -1) ?
n + 1 : // ISO/IEC 9899:1999
size * 2; // twice the old size
delete [] buffer;
buffer = new char[size];
}
}
std::string StringUtil::trim(const std::string& s) {
// test for null string
if(s.empty())
return s;
// find first non-space character
std::string::size_type b = s.find_first_not_of(" \t");
if(b == std::string::npos) // No non-spaces
return "";
// find last non-space character
std::string::size_type e = s.find_last_not_of(" \t");
// return the remaining characters
return std::string(s, b, e - b + 1);
}
unsigned int StringUtil::split(std::vector<std::string>& v,
const std::string& s,
char delimiter, unsigned int maxSegments) {
v.clear();
std::back_insert_iterator<std::vector<std::string> > it(v);
return split(it, s, delimiter, maxSegments);
}
}
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