// ***************************************************************** -*- C++ -*-
/*
* Copyright (C) 2004-2018 Exiv2 authors
* This program is part of the Exiv2 distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
*/
/*
File: utils.cpp
Author(s): Andreas Huggel (ahu) <ahuggel@gmx.net>
History: 08-Dec-03, ahu: created
*/
// *****************************************************************************
// included header files
#include "config.h"
#include "utils.hpp"
#if defined(_MSC_VER)
# define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
#endif
// + standard includes
#ifdef EXV_HAVE_UNISTD_H
# include <unistd.h> // for stat()
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <climits>
#include <cerrno>
#include <cstdlib>
#include <cstring>
#include <string>
#include <iostream>
#include <sstream>
namespace Util {
// *****************************************************************************
// free functions
std::string dirname(const std::string& path)
{
if (path == "") return ".";
// Strip trailing slashes or backslashes
std::string p = path;
while ( p.length() > 1
&& (p[p.length()-1] == '\\' || p[p.length()-1] == '/')) {
p = p.substr(0, p.length()-1);
}
if (p == "\\" || p == "/") return p;
if (p.length() == 2 && p[1] == ':') return p; // For Windows paths
std::string::size_type idx = p.find_last_of("\\/");
if (idx == std::string::npos) return ".";
if (idx == 1 && p[0] == '\\' && p[1] == '\\') return p; // For Windows paths
p = p.substr(0, idx == 0 ? 1 : idx);
while ( p.length() > 1
&& (p[p.length()-1] == '\\' || p[p.length()-1] == '/')) {
p = p.substr(0, p.length()-1);
}
return p;
}
std::string basename(const std::string& path, bool delsuffix)
{
if (path == "") return ".";
// Strip trailing slashes or backslashes
std::string p = path;
while ( p.length() > 1
&& (p[p.length()-1] == '\\' || p[p.length()-1] == '/')) {
p = p.substr(0, p.length()-1);
}
if (p.length() == 2 && p[1] == ':') return ""; // For Windows paths
std::string::size_type idx = p.find_last_of("\\/");
if (idx == 1 && p[0] == '\\' && p[1] == '\\') return ""; // For Windows paths
if (idx != std::string::npos) p = p.substr(idx+1);
if (delsuffix) p = p.substr(0, p.length() - suffix(p).length());
return p;
}
std::string suffix(const std::string& path)
{
std::string b = basename(path);
std::string::size_type idx = b.rfind('.');
if (idx == std::string::npos || idx == 0 || idx == b.length()-1) {
return "";
}
return b.substr(idx);
}
bool strtol(const char* nptr, long& n)
{
if (!nptr || *nptr == '\0') return false;
char* endptr = 0;
long tmp = std::strtol(nptr, &endptr, 10);
if (*endptr != '\0') return false;
if (tmp == LONG_MAX || tmp == LONG_MIN) return false;
n = tmp;
return true;
}
void replace(std::string& text, const std::string& searchText, const std::string& replaceText)
{
std::string::size_type index = 0;
while ((index = text.find(searchText, index)) != std::string::npos)
{
text.replace(index, searchText.length(), replaceText.c_str(), replaceText.length());
index++;
}
}
} // namespace Util