rpcs3/Utilities/config_context.cpp

173 lines
3.3 KiB
C++
Raw Normal View History

#include "stdafx.h"
#include "config_context.h"
#include "StrFmt.h"
#include <iostream>
#include <sstream>
void config_context_t::group::init()
{
2015-11-14 19:59:46 +00:00
if(!m_cfg->m_groups[full_name()])
m_cfg->m_groups[full_name()] = this;
}
config_context_t::group::group(config_context_t* cfg, const std::string& name)
: m_cfg(cfg)
, m_name(name)
, m_parent(nullptr)
{
init();
}
config_context_t::group::group(group* parent, const std::string& name)
: m_cfg(parent->m_cfg)
, m_name(name)
, m_parent(parent)
{
init();
}
void config_context_t::group::set_parent(config_context_t* cfg)
{
m_cfg = cfg;
init();
}
std::string config_context_t::group::name() const
{
return m_name;
}
std::string config_context_t::group::full_name() const
{
if (m_parent)
return m_parent->full_name() + "/" + m_name;
return m_name;
}
void config_context_t::assign(const config_context_t& rhs)
{
for (auto &rhs_g : rhs.m_groups)
{
auto g = m_groups.at(rhs_g.first);
for (auto rhs_e : rhs_g.second->entries)
{
2015-11-14 19:59:46 +00:00
if (g->entries[rhs_e.first])
g->entries[rhs_e.first]->value_from(rhs_e.second);
else
g->add_entry(rhs_e.first, rhs_e.second->string_value());
}
}
}
void config_context_t::deserialize(std::istream& stream)
{
set_defaults();
uint line_index = 0;
std::string line;
group *current_group = nullptr;
while (std::getline(stream, line))
{
++line_index;
line = fmt::trim(line);
if (line.empty())
continue;
if (line.front() == '[' && line.back() == ']')
{
std::string group_name = line.substr(1, line.length() - 2);
auto found = m_groups.find(group_name);
if (found == m_groups.end())
{
std::cerr << line_index << ": group '" << group_name << "' not exists. ignored" << std::endl;
current_group = nullptr;
continue;
}
current_group = found->second;
continue;
}
if (current_group == nullptr)
{
std::cerr << line_index << ": line '" << line << "' ignored, no group." << std::endl;
continue;
}
auto name_value = fmt::split(line, { "=" });
switch (name_value.size())
{
2015-11-14 19:59:46 +00:00
case 1:
{
if (current_group->entries[fmt::trim(name_value[0])])
current_group->entries[fmt::trim(name_value[0])]->string_value({});
else
current_group->add_entry(fmt::trim(name_value[0]), std::string{});
}
break;
default:
std::cerr << line_index << ": line '" << line << "' has more than one symbol '='. used only first" << std::endl;
2015-11-14 19:59:46 +00:00
case 2:
{
if (current_group->entries[fmt::trim(name_value[0])])
current_group->entries[fmt::trim(name_value[0])]->string_value(fmt::trim(name_value[1]));
else
current_group->add_entry(fmt::trim(name_value[0]), fmt::trim(name_value[1]));
}
break;
}
}
}
void config_context_t::serialize(std::ostream& stream) const
{
for (auto &g : m_groups)
{
stream << "[" + g.first + "]" << std::endl;
for (auto &e : g.second->entries)
{
stream << e.first << "=" << e.second->string_value() << std::endl;
}
stream << std::endl;
}
}
void config_context_t::set_defaults()
{
for (auto &g : m_groups)
{
for (auto &e : g.second->entries)
{
e.second->to_default();
}
}
}
std::string config_context_t::to_string() const
{
std::ostringstream result;
serialize(result);
return result.str();
2015-11-14 19:59:46 +00:00
}
void config_context_t::from_string(const std::string& str)
{
std::istringstream source(str);
deserialize(source);
}