85 lines
3.1 KiB
C++
85 lines
3.1 KiB
C++
// ----------------------------------------------------------------------------
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// Copyright (C) 2002-2005 Marcin Kalicinski
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// For more information, see www.boost.org
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// ----------------------------------------------------------------------------
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#ifndef BOOST_PROPERTY_TREE_CMDLINE_PARSER_HPP_INCLUDED
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#define BOOST_PROPERTY_TREE_CMDLINE_PARSER_HPP_INCLUDED
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#include <boost/property_tree/ptree.hpp>
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#include <boost/property_tree/detail/ptree_utils.hpp>
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namespace boost { namespace property_tree { namespace cmdline_parser
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{
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template<class Ptree>
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void read_cmdline(int argc,
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typename Ptree::char_type *argv[],
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const std::basic_string<typename Ptree::char_type> &metachars,
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Ptree &pt)
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{
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typedef typename Ptree::char_type Ch;
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typedef std::basic_string<Ch> Str;
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Ptree local;
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// For all arguments
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for (int i = 0; i < argc; ++i)
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{
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Str text = detail::trim<Ch>(argv[i]);
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if (!text.empty())
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if (metachars.find(text[0]) != Str::npos)
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{
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if (text.size() == 1)
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{
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Ptree &child = local.put(text, Str());
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Str key;
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if (child.size() < 10)
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key.push_back(typename Ptree::char_type('0' + child.size()));
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child.push_back(std::make_pair(key, Ptree(child.data())));
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}
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else if (text.size() == 2)
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{
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Ptree &child = local.put(text.substr(1, 1), Str());
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Str key;
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if (child.size() < 10)
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key.push_back(typename Ptree::char_type('0' + child.size()));
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child.push_back(std::make_pair(key, Ptree(child.data())));
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}
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else
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{
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Ptree &child = local.put(text.substr(1, 1), detail::trim<Ch>(text.substr(2, Str::npos)));
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Str key;
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if (child.size() < 10)
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key.push_back(typename Ptree::char_type('0' + child.size()));
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child.push_back(std::make_pair(key, Ptree(child.data())));
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}
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}
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else
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{
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Ptree &child = local.put(Str(), detail::trim<Ch>(text));
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Str key;
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if (child.size() < 10)
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key.push_back(typename Ptree::char_type('0' + child.size()));
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child.push_back(std::make_pair(key, Ptree(child.data())));
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}
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}
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// Swap local and pt
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pt.swap(local);
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}
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} } }
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namespace boost { namespace property_tree
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{
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using cmdline_parser::read_cmdline;
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} }
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#endif
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