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db5d52b4b2
This change to BasicConfig stores all appended lines which are not key/value pairs in a separate values vector which can be retrieved later. This is to support sections containing both key/value pairs and a list of values.
146 lines
4.1 KiB
C++
146 lines
4.1 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright (c) 2012, 2013 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#include <ripple/basics/BasicConfig.h>
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#include <boost/regex.hpp>
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#include <algorithm>
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namespace ripple {
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void
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Section::set (std::string const& key, std::string const& value)
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{
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auto const result = map_.emplace (key, value);
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if (! result.second)
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result.first->second = value;
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}
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void
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Section::append (std::vector <std::string> const& lines)
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{
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// <key> '=' <value>
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static boost::regex const re1 (
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"^" // start of line
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"(?:\\s*)" // whitespace (optonal)
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"([a-zA-Z][_a-zA-Z0-9]*)" // <key>
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"(?:\\s*)" // whitespace (optional)
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"(?:=)" // '='
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"(?:\\s*)" // whitespace (optional)
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"(.*\\S+)" // <value>
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"(?:\\s*)" // whitespace (optional)
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, boost::regex_constants::optimize
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);
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lines_.reserve (lines_.size() + lines.size());
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for (auto const& line : lines)
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{
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boost::smatch match;
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lines_.push_back (line);
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if (boost::regex_match (line, match, re1))
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set (match[1], match[2]);
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else
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values_.push_back (line);
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}
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}
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bool
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Section::exists (std::string const& name) const
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{
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return map_.find (name) != map_.end();
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}
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std::pair <std::string, bool>
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Section::find (std::string const& name) const
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{
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auto const iter = map_.find (name);
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if (iter == map_.end())
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return {{}, false};
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return {iter->second, true};
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}
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std::ostream&
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operator<< (std::ostream& os, Section const& section)
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{
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for (auto const& kv : section.map_)
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os << kv.first << "=" << kv.second << "\n";
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return os;
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}
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//------------------------------------------------------------------------------
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bool
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BasicConfig::exists (std::string const& name) const
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{
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return map_.find (name) != map_.end();
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}
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Section const&
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BasicConfig::section (std::string const& name) const
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{
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static Section none;
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auto const iter = map_.find (name);
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if (iter == map_.end())
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return none;
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return iter->second;
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}
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void
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BasicConfig::remap (std::string const& legacy_section,
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std::string const& key, std::string const& new_section)
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{
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auto const iter = map_.find (legacy_section);
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if (iter == map_.end())
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return;
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if (iter->second.keys() != 0)
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return;
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if (iter->second.lines().size() != 1)
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return;
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auto& s = map_[new_section];
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s.append (iter->second.lines().front());
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s.set (key, iter->second.lines().front());
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}
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void
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BasicConfig::overwrite (std::string const& section, std::string const& key,
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std::string const& value)
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{
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auto const result = map_.emplace (section, Section{});
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result.first->second.set (key, value);
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}
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void
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BasicConfig::build (IniFileSections const& ifs)
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{
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for (auto const& entry : ifs)
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{
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auto const result = map_.emplace (entry.first, Section{});
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result.first->second.append (entry.second);
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}
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}
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std::ostream&
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operator<< (std::ostream& ss, BasicConfig const& c)
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{
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for (auto const& s : c.map_)
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ss << "[" << s.first << "]\n" << s.second;
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return ss;
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}
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} // ripple
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