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/*
* This file is part of libmisc, an assortment of code for reuse.
*
* Copyright (c) 2006-2007 Kevin Daughtridge <kevin@kdau.com>
*
* This library 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 3 of the License, or
* (at your option) any later version.
*
* This library 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 library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "extras.hh"
#include <algorithm>
#include <stdexcept>
#include <glib.h>
#include <glibmm/utility.h>
namespace misc {
string
strftime (const string& format, time_t time, bool local,
const string& fallback)
{
try
{
struct tm tm_data;
if (local) {
if (localtime_r (&time, &tm_data) == NULL)
throw std::runtime_error ("localtime_r");
} else {
if (gmtime_r (&time, &tm_data) == NULL)
throw std::runtime_error ("gmtime_r");
}
size_t bufsize = std::max<size_t> (2 * format.size (), 128);
do
{
const Glib::ScopedPtr<char> buf
(static_cast<char*> (g_malloc (bufsize)));
buf.get ()[0] = '\1';
size_t len = std::strftime (buf.get (), bufsize, format.c_str (),
&tm_data);
if (len != 0 || buf.get ()[0] == '\0')
{
if (len >= bufsize)
throw std::length_error ("strftime");
return string (buf.get (), len);
}
}
while ((bufsize *= 2) <= 65536);
throw std::length_error ("strftime");
}
catch (...)
{
return fallback;
}
}
std::vector<string>
strsplit (const string& data, const string& delimiter, unsigned int max_tokens)
{
std::vector<string> result;
if (data.empty ()) return result;
unsigned int tokens = 0;
string::size_type pos = 0, next = 0;
while ((next = data.find_first_of (delimiter, pos)) != string::npos)
{
if (++tokens == max_tokens) break;
result.push_back (data.substr (pos, next - pos));
pos = next + 1;
}
result.push_back (data.substr (pos));
return result;
}
std::vector<ustring>
ustrsplit (const ustring& data, const ustring& delimiter,
unsigned int max_tokens)
{
std::vector<ustring> result;
if (data.empty ()) return result;
unsigned int tokens = 0;
ustring::size_type pos = 0, next = 0;
while ((next = data.find_first_of (delimiter, pos)) != ustring::npos)
{
if (++tokens == max_tokens) break;
result.push_back (data.substr (pos, next - pos));
pos = next + 1;
}
result.push_back (data.substr (pos));
return result;
}
string
strstrip (const string& string)
{
return Glib::ScopedPtr<gchar>
(g_strstrip (g_strdup (string.data ()))).get ();
}
ustring
ustrstrip (const ustring& string)
{
return Glib::ScopedPtr<gchar>
(g_strstrip (g_strdup (string.data ()))).get ();
}
} // namespace misc
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