/usr/include/cxxtools/inifile.h is in libcxxtools-dev 2.0-4ubuntu2.
This file is owned by root:root, with mode 0o644.
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* Copyright (C) 2007 Tommi Maekitalo
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef CXXTOOLS_INIFILE_H
#define CXXTOOLS_INIFILE_H
#include <iostream>
#include <string>
#include <sstream>
#include <map>
namespace cxxtools
{
class IniFile
{
friend std::ostream& operator << (std::ostream& out, const IniFile& ini);
typedef std::map<std::string, std::map<std::string, std::string> > MapType;
MapType data;
public:
IniFile() { }
explicit IniFile(const std::string& filename);
explicit IniFile(std::istream& in);
/// Returns true, if section exists.
bool exists(const std::string& section) const
{ return data.find(section) != data.end(); }
/// Returns true, if key exists in section exists.
bool exists(const std::string& section,
const std::string& token) const
{
MapType::const_iterator si = data.find(section);
return si != data.end()
&& si->second.find(token) != si->second.end();
}
/// Returns associated value from section-key-pair or default-value.
std::string getValue(const std::string& section,
const std::string& token, const std::string& def = std::string()) const
{
// find section
MapType::const_iterator si = data.find(section);
if (si != data.end())
{
// find token
MapType::mapped_type::const_iterator token_it = si->second.find(token);
if (token_it != si->second.end())
return token_it->second;
}
return def;
}
/// Get the value and convert it with istream-operator.
/// The return-type is identified by the default-value-type.
template <typename T>
T getValueT(const std::string& section,
const std::string& token,
const T& def) const
{
// find section
MapType::const_iterator si = data.find(section);
if (si != data.end())
{
// find token
MapType::mapped_type::const_iterator token_it = si->second.find(token);
if (token_it != si->second.end())
{
// extract value with stream
T value;
std::istringstream s(token_it->second);
s >> value;
if (s)
return value;
}
}
return def;
}
/// setting a new value
void setValue(const std::string& section, const std::string& key,
const std::string& value)
{
data[section][key] = value;
}
/// setting a new value with a type (need output-operator for ostream).
template <typename T>
void setValueT(const std::string& section, const std::string& key,
const T& value)
{
std::ostringstream v;
v << value;
data[section][key] = v.str();
}
/**
* Get the names of sections.
* example1:
* <code>
* cxxtools::IniFile ini("my.ini");
*
* // copy names of sections into a container
* std::set<std::string> keys;
* ini.getSections(std::inserter(s, s.begin());
*
* // or printing the names:
* ini.getSections(std::ostream_iterator(std::cout, "\n"));
* </code>
*/
template <typename OutputIterator>
void getSections(OutputIterator oi)
{
for (MapType::const_iterator it = data.begin(); it != data.end(); ++it, ++oi)
*oi = it->first;
}
/**
* Get the keys of a section.
* example1:
* <code>
* cxxtools::IniFile ini("my.ini");
*
* // copy keys into a container
* std::set<std::string> keys;
* ini.getKeys("section2", std::inserter(s, s.begin());
*
* // or printing the keys:
* ini.getKeys("section2", std::ostream_iterator(std::cout, "\n"));
* </code>
*/
template <typename OutputIterator>
void getKeys(const std::string& section, OutputIterator oi)
{
MapType::const_iterator si = data.find(section);
if (si != data.end())
{
for (MapType::mapped_type::const_iterator it = si->second.begin();
it != si->second.end(); ++it, ++oi)
*oi = it->first;
}
}
};
/// Outputs ini-file to a output-stream
std::ostream& operator << (std::ostream& out, const IniFile& ini);
}
#endif // CXXTOOLS_INIFILE_H
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