mirror of
https://github.com/minetest/minetest.git
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1083 lines
23 KiB
C++
1083 lines
23 KiB
C++
/*
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Minetest
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Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "settings.h"
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#include "irrlichttypes_bloated.h"
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#include "exceptions.h"
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#include "threading/mutex_auto_lock.h"
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#include "util/strfnd.h"
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#include <iostream>
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#include <fstream>
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#include <sstream>
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#include "debug.h"
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#include "log.h"
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#include "util/serialize.h"
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#include "filesys.h"
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#include "noise.h"
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#include <cctype>
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#include <algorithm>
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Settings *g_settings = nullptr;
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static SettingsHierarchy g_hierarchy;
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std::string g_settings_path;
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std::unordered_map<std::string, const FlagDesc *> Settings::s_flags;
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/* Settings hierarchy implementation */
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SettingsHierarchy::SettingsHierarchy(Settings *fallback)
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{
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layers.push_back(fallback);
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}
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Settings *SettingsHierarchy::getLayer(int layer) const
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{
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if (layer < 0 || layer >= layers.size())
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throw BaseException("Invalid settings layer");
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return layers[layer];
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}
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Settings *SettingsHierarchy::getParent(int layer) const
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{
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assert(layer >= 0 && layer < layers.size());
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// iterate towards the origin (0) to find the next fallback layer
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for (int i = layer - 1; i >= 0; --i) {
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if (layers[i])
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return layers[i];
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}
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return nullptr;
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}
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void SettingsHierarchy::onLayerCreated(int layer, Settings *obj)
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{
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if (layer < 0)
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throw BaseException("Invalid settings layer");
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if (layers.size() < layer+1)
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layers.resize(layer+1);
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Settings *&pos = layers[layer];
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if (pos)
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throw BaseException("Setting layer " + itos(layer) + " already exists");
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pos = obj;
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// This feels bad
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if (this == &g_hierarchy && layer == (int)SL_GLOBAL)
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g_settings = obj;
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}
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void SettingsHierarchy::onLayerRemoved(int layer)
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{
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assert(layer >= 0 && layer < layers.size());
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layers[layer] = nullptr;
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if (this == &g_hierarchy && layer == (int)SL_GLOBAL)
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g_settings = nullptr;
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}
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/* Settings implementation */
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Settings *Settings::createLayer(SettingsLayer sl, const std::string &end_tag)
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{
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return new Settings(end_tag, &g_hierarchy, (int)sl);
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}
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Settings *Settings::getLayer(SettingsLayer sl)
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{
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sanity_check((int)sl >= 0 && sl < SL_TOTAL_COUNT);
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return g_hierarchy.layers[(int)sl];
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}
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Settings::Settings(const std::string &end_tag, SettingsHierarchy *h,
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int settings_layer) :
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m_end_tag(end_tag),
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m_hierarchy(h),
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m_settingslayer(settings_layer)
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{
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if (m_hierarchy)
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m_hierarchy->onLayerCreated(m_settingslayer, this);
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}
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Settings::~Settings()
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{
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MutexAutoLock lock(m_mutex);
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if (m_hierarchy)
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m_hierarchy->onLayerRemoved(m_settingslayer);
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clearNoLock();
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}
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Settings & Settings::operator = (const Settings &other)
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{
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if (&other == this)
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return *this;
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// TODO: Avoid copying Settings objects. Make this private.
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FATAL_ERROR_IF(m_hierarchy || other.m_hierarchy,
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"Cannot copy or overwrite Settings object that belongs to a hierarchy");
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MutexAutoLock lock(m_mutex);
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MutexAutoLock lock2(other.m_mutex);
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clearNoLock();
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m_settings = other.m_settings;
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m_callbacks = other.m_callbacks;
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return *this;
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}
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bool Settings::checkNameValid(const std::string &name)
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{
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bool valid = name.find_first_of("=\"{}#") == std::string::npos;
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if (valid)
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valid = std::find_if(name.begin(), name.end(), ::isspace) == name.end();
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if (!valid) {
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errorstream << "Invalid setting name \"" << name << "\""
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<< std::endl;
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return false;
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}
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return true;
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}
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bool Settings::checkValueValid(const std::string &value)
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{
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if (value.substr(0, 3) == "\"\"\"" ||
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value.find("\n\"\"\"") != std::string::npos) {
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errorstream << "Invalid character sequence '\"\"\"' found in"
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" setting value!" << std::endl;
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return false;
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}
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return true;
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}
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std::string Settings::getMultiline(std::istream &is, size_t *num_lines)
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{
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size_t lines = 1;
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std::string value;
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std::string line;
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while (is.good()) {
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lines++;
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std::getline(is, line);
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if (line == "\"\"\"")
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break;
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value += line;
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value.push_back('\n');
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}
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size_t len = value.size();
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if (len)
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value.erase(len - 1);
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if (num_lines)
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*num_lines = lines;
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return value;
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}
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bool Settings::readConfigFile(const char *filename)
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{
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std::ifstream is(filename);
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if (!is.good())
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return false;
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return parseConfigLines(is);
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}
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bool Settings::parseConfigLines(std::istream &is)
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{
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MutexAutoLock lock(m_mutex);
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std::string line, name, value;
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while (is.good()) {
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std::getline(is, line);
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SettingsParseEvent event = parseConfigObject(line, name, value);
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switch (event) {
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case SPE_NONE:
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case SPE_INVALID:
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case SPE_COMMENT:
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break;
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case SPE_KVPAIR:
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m_settings[name] = SettingsEntry(value);
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break;
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case SPE_END:
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return true;
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case SPE_GROUP: {
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Settings *group = new Settings("}");
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if (!group->parseConfigLines(is)) {
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delete group;
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return false;
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}
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m_settings[name] = SettingsEntry(group);
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break;
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}
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case SPE_MULTILINE:
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m_settings[name] = SettingsEntry(getMultiline(is));
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break;
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}
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}
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// false (failure) if end tag not found
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return m_end_tag.empty();
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}
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void Settings::writeLines(std::ostream &os, u32 tab_depth) const
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{
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MutexAutoLock lock(m_mutex);
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for (const auto &setting_it : m_settings)
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printEntry(os, setting_it.first, setting_it.second, tab_depth);
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// For groups this must be "}" !
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if (!m_end_tag.empty()) {
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for (u32 i = 0; i < tab_depth; i++)
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os << "\t";
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os << m_end_tag << "\n";
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}
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}
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void Settings::printEntry(std::ostream &os, const std::string &name,
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const SettingsEntry &entry, u32 tab_depth)
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{
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for (u32 i = 0; i != tab_depth; i++)
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os << "\t";
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if (entry.is_group) {
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os << name << " = {\n";
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entry.group->writeLines(os, tab_depth + 1);
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// Closing bracket handled by writeLines
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} else {
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os << name << " = ";
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if (entry.value.find('\n') != std::string::npos)
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os << "\"\"\"\n" << entry.value << "\n\"\"\"\n";
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else
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os << entry.value << "\n";
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}
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}
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bool Settings::updateConfigObject(std::istream &is, std::ostream &os, u32 tab_depth)
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{
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SettingEntries::const_iterator it;
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std::set<std::string> present_entries;
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std::string line, name, value;
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bool was_modified = false;
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bool end_found = false;
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// Add any settings that exist in the config file with the current value
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// in the object if existing
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while (is.good() && !end_found) {
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std::getline(is, line);
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SettingsParseEvent event = parseConfigObject(line, name, value);
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switch (event) {
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case SPE_END:
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// Skip end tag. Append later.
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end_found = true;
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break;
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case SPE_MULTILINE:
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value = getMultiline(is);
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/* FALLTHROUGH */
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case SPE_KVPAIR:
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it = m_settings.find(name);
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if (it != m_settings.end() &&
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(it->second.is_group || it->second.value != value)) {
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printEntry(os, name, it->second, tab_depth);
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was_modified = true;
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} else if (it == m_settings.end()) {
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// Remove by skipping
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was_modified = true;
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break;
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} else {
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os << line << "\n";
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if (event == SPE_MULTILINE)
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os << value << "\n\"\"\"\n";
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}
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present_entries.insert(name);
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break;
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case SPE_GROUP:
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it = m_settings.find(name);
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if (it != m_settings.end() && it->second.is_group) {
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os << line << "\n";
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sanity_check(it->second.group != NULL);
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was_modified |= it->second.group->updateConfigObject(is, os, tab_depth + 1);
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} else if (it == m_settings.end()) {
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// Remove by skipping
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was_modified = true;
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Settings removed_group("}"); // Move 'is' to group end
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std::stringstream ss;
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removed_group.updateConfigObject(is, ss, tab_depth + 1);
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break;
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} else {
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printEntry(os, name, it->second, tab_depth);
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was_modified = true;
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}
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present_entries.insert(name);
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break;
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default:
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os << line << (is.eof() ? "" : "\n");
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break;
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}
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}
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if (!line.empty() && is.eof())
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os << "\n";
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// Add any settings in the object that don't exist in the config file yet
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for (it = m_settings.begin(); it != m_settings.end(); ++it) {
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if (present_entries.find(it->first) != present_entries.end())
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continue;
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printEntry(os, it->first, it->second, tab_depth);
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was_modified = true;
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}
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// Append ending tag
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if (!m_end_tag.empty()) {
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os << m_end_tag << "\n";
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was_modified |= !end_found;
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}
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return was_modified;
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}
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bool Settings::updateConfigFile(const char *filename)
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{
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MutexAutoLock lock(m_mutex);
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std::ifstream is(filename);
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std::ostringstream os(std::ios_base::binary);
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bool was_modified = updateConfigObject(is, os);
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is.close();
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if (!was_modified)
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return true;
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if (!fs::safeWriteToFile(filename, os.str())) {
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errorstream << "Error writing configuration file: \""
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<< filename << "\"" << std::endl;
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return false;
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}
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return true;
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}
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bool Settings::parseCommandLine(int argc, char *argv[],
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std::map<std::string, ValueSpec> &allowed_options)
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{
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int nonopt_index = 0;
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for (int i = 1; i < argc; i++) {
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std::string arg_name = argv[i];
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if (arg_name.substr(0, 2) != "--") {
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// If option doesn't start with -, read it in as nonoptX
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if (arg_name[0] != '-'){
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std::string name = "nonopt";
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name += itos(nonopt_index);
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set(name, arg_name);
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nonopt_index++;
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continue;
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}
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errorstream << "Invalid command-line parameter \""
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<< arg_name << "\": --<option> expected." << std::endl;
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return false;
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}
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std::string name = arg_name.substr(2);
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std::map<std::string, ValueSpec>::iterator n;
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n = allowed_options.find(name);
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if (n == allowed_options.end()) {
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errorstream << "Unknown command-line parameter \""
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<< arg_name << "\"" << std::endl;
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return false;
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}
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ValueType type = n->second.type;
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std::string value;
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if (type == VALUETYPE_FLAG) {
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value = "true";
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} else {
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if ((i + 1) >= argc) {
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errorstream << "Invalid command-line parameter \""
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<< name << "\": missing value" << std::endl;
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return false;
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}
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value = argv[++i];
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}
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set(name, value);
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}
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return true;
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}
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/***********
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* Getters *
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***********/
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Settings *Settings::getParent() const
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{
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return m_hierarchy ? m_hierarchy->getParent(m_settingslayer) : nullptr;
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}
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const SettingsEntry &Settings::getEntry(const std::string &name) const
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{
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{
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MutexAutoLock lock(m_mutex);
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SettingEntries::const_iterator n;
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if ((n = m_settings.find(name)) != m_settings.end())
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return n->second;
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}
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if (auto parent = getParent())
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return parent->getEntry(name);
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throw SettingNotFoundException("Setting [" + name + "] not found.");
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}
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Settings *Settings::getGroup(const std::string &name) const
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{
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const SettingsEntry &entry = getEntry(name);
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if (!entry.is_group)
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throw SettingNotFoundException("Setting [" + name + "] is not a group.");
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return entry.group;
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}
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const std::string &Settings::get(const std::string &name) const
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{
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const SettingsEntry &entry = getEntry(name);
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if (entry.is_group)
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throw SettingNotFoundException("Setting [" + name + "] is a group.");
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return entry.value;
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}
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bool Settings::getBool(const std::string &name) const
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{
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return is_yes(get(name));
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}
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u16 Settings::getU16(const std::string &name) const
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{
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return stoi(get(name), 0, 65535);
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}
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s16 Settings::getS16(const std::string &name) const
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{
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return stoi(get(name), -32768, 32767);
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}
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u32 Settings::getU32(const std::string &name) const
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{
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return (u32) stoi(get(name));
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}
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s32 Settings::getS32(const std::string &name) const
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{
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return stoi(get(name));
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}
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float Settings::getFloat(const std::string &name) const
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{
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return stof(get(name));
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}
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u64 Settings::getU64(const std::string &name) const
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{
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u64 value = 0;
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std::string s = get(name);
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std::istringstream ss(s);
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ss >> value;
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return value;
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}
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v2f Settings::getV2F(const std::string &name) const
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{
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v2f value;
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Strfnd f(get(name));
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f.next("(");
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value.X = stof(f.next(","));
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value.Y = stof(f.next(")"));
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return value;
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}
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v3f Settings::getV3F(const std::string &name) const
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{
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v3f value;
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Strfnd f(get(name));
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f.next("(");
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value.X = stof(f.next(","));
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value.Y = stof(f.next(","));
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value.Z = stof(f.next(")"));
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return value;
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}
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u32 Settings::getFlagStr(const std::string &name, const FlagDesc *flagdesc,
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u32 *flagmask) const
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{
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u32 flags = 0;
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// Read default value (if there is any)
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if (auto parent = getParent())
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flags = parent->getFlagStr(name, flagdesc, flagmask);
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// Apply custom flags "on top"
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if (m_settings.find(name) != m_settings.end()) {
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std::string value = get(name);
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u32 flags_user;
|
|
u32 mask_user = U32_MAX;
|
|
flags_user = std::isdigit(value[0])
|
|
? stoi(value) // Override default
|
|
: readFlagString(value, flagdesc, &mask_user);
|
|
|
|
flags &= ~mask_user;
|
|
flags |= flags_user;
|
|
if (flagmask)
|
|
*flagmask |= mask_user;
|
|
}
|
|
|
|
return flags;
|
|
}
|
|
|
|
|
|
bool Settings::getNoiseParams(const std::string &name, NoiseParams &np) const
|
|
{
|
|
if (getNoiseParamsFromGroup(name, np) || getNoiseParamsFromValue(name, np))
|
|
return true;
|
|
if (auto parent = getParent())
|
|
return parent->getNoiseParams(name, np);
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
bool Settings::getNoiseParamsFromValue(const std::string &name,
|
|
NoiseParams &np) const
|
|
{
|
|
std::string value;
|
|
|
|
if (!getNoEx(name, value))
|
|
return false;
|
|
|
|
// Format: f32,f32,(f32,f32,f32),s32,s32,f32[,f32]
|
|
Strfnd f(value);
|
|
|
|
np.offset = stof(f.next(","));
|
|
np.scale = stof(f.next(","));
|
|
f.next("(");
|
|
np.spread.X = stof(f.next(","));
|
|
np.spread.Y = stof(f.next(","));
|
|
np.spread.Z = stof(f.next(")"));
|
|
f.next(",");
|
|
np.seed = stoi(f.next(","));
|
|
np.octaves = stoi(f.next(","));
|
|
np.persist = stof(f.next(","));
|
|
|
|
std::string optional_params = f.next("");
|
|
if (!optional_params.empty())
|
|
np.lacunarity = stof(optional_params);
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool Settings::getNoiseParamsFromGroup(const std::string &name,
|
|
NoiseParams &np) const
|
|
{
|
|
Settings *group = NULL;
|
|
|
|
if (!getGroupNoEx(name, group))
|
|
return false;
|
|
|
|
group->getFloatNoEx("offset", np.offset);
|
|
group->getFloatNoEx("scale", np.scale);
|
|
group->getV3FNoEx("spread", np.spread);
|
|
group->getS32NoEx("seed", np.seed);
|
|
group->getU16NoEx("octaves", np.octaves);
|
|
group->getFloatNoEx("persistence", np.persist);
|
|
group->getFloatNoEx("lacunarity", np.lacunarity);
|
|
|
|
np.flags = 0;
|
|
if (!group->getFlagStrNoEx("flags", np.flags, flagdesc_noiseparams))
|
|
np.flags = NOISE_FLAG_DEFAULTS;
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool Settings::exists(const std::string &name) const
|
|
{
|
|
MutexAutoLock lock(m_mutex);
|
|
|
|
if (m_settings.find(name) != m_settings.end())
|
|
return true;
|
|
if (auto parent = getParent())
|
|
return parent->exists(name);
|
|
return false;
|
|
}
|
|
|
|
|
|
std::vector<std::string> Settings::getNames() const
|
|
{
|
|
MutexAutoLock lock(m_mutex);
|
|
|
|
std::vector<std::string> names;
|
|
names.reserve(m_settings.size());
|
|
for (const auto &settings_it : m_settings) {
|
|
names.push_back(settings_it.first);
|
|
}
|
|
return names;
|
|
}
|
|
|
|
|
|
|
|
/***************************************
|
|
* Getters that don't throw exceptions *
|
|
***************************************/
|
|
|
|
bool Settings::getGroupNoEx(const std::string &name, Settings *&val) const
|
|
{
|
|
try {
|
|
val = getGroup(name);
|
|
return true;
|
|
} catch (SettingNotFoundException &e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
bool Settings::getNoEx(const std::string &name, std::string &val) const
|
|
{
|
|
try {
|
|
val = get(name);
|
|
return true;
|
|
} catch (SettingNotFoundException &e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
bool Settings::getFlag(const std::string &name) const
|
|
{
|
|
try {
|
|
return getBool(name);
|
|
} catch(SettingNotFoundException &e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
bool Settings::getFloatNoEx(const std::string &name, float &val) const
|
|
{
|
|
try {
|
|
val = getFloat(name);
|
|
return true;
|
|
} catch (SettingNotFoundException &e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
bool Settings::getU16NoEx(const std::string &name, u16 &val) const
|
|
{
|
|
try {
|
|
val = getU16(name);
|
|
return true;
|
|
} catch (SettingNotFoundException &e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
bool Settings::getS16NoEx(const std::string &name, s16 &val) const
|
|
{
|
|
try {
|
|
val = getS16(name);
|
|
return true;
|
|
} catch (SettingNotFoundException &e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
bool Settings::getS32NoEx(const std::string &name, s32 &val) const
|
|
{
|
|
try {
|
|
val = getS32(name);
|
|
return true;
|
|
} catch (SettingNotFoundException &e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
bool Settings::getU64NoEx(const std::string &name, u64 &val) const
|
|
{
|
|
try {
|
|
val = getU64(name);
|
|
return true;
|
|
} catch (SettingNotFoundException &e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
bool Settings::getV2FNoEx(const std::string &name, v2f &val) const
|
|
{
|
|
try {
|
|
val = getV2F(name);
|
|
return true;
|
|
} catch (SettingNotFoundException &e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
bool Settings::getV3FNoEx(const std::string &name, v3f &val) const
|
|
{
|
|
try {
|
|
val = getV3F(name);
|
|
return true;
|
|
} catch (SettingNotFoundException &e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
bool Settings::getFlagStrNoEx(const std::string &name, u32 &val,
|
|
const FlagDesc *flagdesc) const
|
|
{
|
|
if (!flagdesc) {
|
|
if (!(flagdesc = getFlagDescFallback(name)))
|
|
return false; // Not found
|
|
}
|
|
|
|
try {
|
|
val = getFlagStr(name, flagdesc, nullptr);
|
|
|
|
return true;
|
|
} catch (SettingNotFoundException &e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
/***********
|
|
* Setters *
|
|
***********/
|
|
|
|
bool Settings::setEntry(const std::string &name, const void *data,
|
|
bool set_group)
|
|
{
|
|
if (!checkNameValid(name))
|
|
return false;
|
|
if (!set_group && !checkValueValid(*(const std::string *)data))
|
|
return false;
|
|
|
|
Settings *old_group = NULL;
|
|
{
|
|
MutexAutoLock lock(m_mutex);
|
|
|
|
SettingsEntry &entry = m_settings[name];
|
|
old_group = entry.group;
|
|
|
|
entry.value = set_group ? "" : *(const std::string *)data;
|
|
entry.group = set_group ? *(Settings **)data : NULL;
|
|
entry.is_group = set_group;
|
|
if (set_group)
|
|
entry.group->m_end_tag = "}";
|
|
}
|
|
|
|
delete old_group;
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool Settings::set(const std::string &name, const std::string &value)
|
|
{
|
|
if (!setEntry(name, &value, false))
|
|
return false;
|
|
|
|
doCallbacks(name);
|
|
return true;
|
|
}
|
|
|
|
|
|
// TODO: Remove this function
|
|
bool Settings::setDefault(const std::string &name, const std::string &value)
|
|
{
|
|
FATAL_ERROR_IF(m_hierarchy != &g_hierarchy, "setDefault is only valid on "
|
|
"global settings");
|
|
return getLayer(SL_DEFAULTS)->set(name, value);
|
|
}
|
|
|
|
|
|
bool Settings::setGroup(const std::string &name, const Settings &group)
|
|
{
|
|
// Settings must own the group pointer
|
|
// avoid double-free by copying the source
|
|
Settings *copy = new Settings();
|
|
*copy = group;
|
|
return setEntry(name, ©, true);
|
|
}
|
|
|
|
|
|
bool Settings::setBool(const std::string &name, bool value)
|
|
{
|
|
return set(name, value ? "true" : "false");
|
|
}
|
|
|
|
|
|
bool Settings::setS16(const std::string &name, s16 value)
|
|
{
|
|
return set(name, itos(value));
|
|
}
|
|
|
|
|
|
bool Settings::setU16(const std::string &name, u16 value)
|
|
{
|
|
return set(name, itos(value));
|
|
}
|
|
|
|
|
|
bool Settings::setS32(const std::string &name, s32 value)
|
|
{
|
|
return set(name, itos(value));
|
|
}
|
|
|
|
|
|
bool Settings::setU64(const std::string &name, u64 value)
|
|
{
|
|
std::ostringstream os;
|
|
os << value;
|
|
return set(name, os.str());
|
|
}
|
|
|
|
|
|
bool Settings::setFloat(const std::string &name, float value)
|
|
{
|
|
return set(name, ftos(value));
|
|
}
|
|
|
|
|
|
bool Settings::setV2F(const std::string &name, v2f value)
|
|
{
|
|
std::ostringstream os;
|
|
os << "(" << value.X << "," << value.Y << ")";
|
|
return set(name, os.str());
|
|
}
|
|
|
|
|
|
bool Settings::setV3F(const std::string &name, v3f value)
|
|
{
|
|
std::ostringstream os;
|
|
os << "(" << value.X << "," << value.Y << "," << value.Z << ")";
|
|
return set(name, os.str());
|
|
}
|
|
|
|
|
|
bool Settings::setFlagStr(const std::string &name, u32 flags,
|
|
const FlagDesc *flagdesc, u32 flagmask)
|
|
{
|
|
if (!flagdesc) {
|
|
if (!(flagdesc = getFlagDescFallback(name)))
|
|
return false; // Not found
|
|
}
|
|
|
|
return set(name, writeFlagString(flags, flagdesc, flagmask));
|
|
}
|
|
|
|
|
|
bool Settings::setNoiseParams(const std::string &name, const NoiseParams &np)
|
|
{
|
|
Settings *group = new Settings;
|
|
|
|
group->setFloat("offset", np.offset);
|
|
group->setFloat("scale", np.scale);
|
|
group->setV3F("spread", np.spread);
|
|
group->setS32("seed", np.seed);
|
|
group->setU16("octaves", np.octaves);
|
|
group->setFloat("persistence", np.persist);
|
|
group->setFloat("lacunarity", np.lacunarity);
|
|
group->setFlagStr("flags", np.flags, flagdesc_noiseparams, np.flags);
|
|
|
|
return setEntry(name, &group, true);
|
|
}
|
|
|
|
|
|
bool Settings::remove(const std::string &name)
|
|
{
|
|
// Lock as short as possible, unlock before doCallbacks()
|
|
m_mutex.lock();
|
|
|
|
SettingEntries::iterator it = m_settings.find(name);
|
|
if (it != m_settings.end()) {
|
|
delete it->second.group;
|
|
m_settings.erase(it);
|
|
m_mutex.unlock();
|
|
|
|
doCallbacks(name);
|
|
return true;
|
|
}
|
|
|
|
m_mutex.unlock();
|
|
return false;
|
|
}
|
|
|
|
|
|
SettingsParseEvent Settings::parseConfigObject(const std::string &line,
|
|
std::string &name, std::string &value)
|
|
{
|
|
std::string trimmed_line = trim(line);
|
|
|
|
if (trimmed_line.empty())
|
|
return SPE_NONE;
|
|
if (trimmed_line[0] == '#')
|
|
return SPE_COMMENT;
|
|
if (trimmed_line == m_end_tag)
|
|
return SPE_END;
|
|
|
|
size_t pos = trimmed_line.find('=');
|
|
if (pos == std::string::npos)
|
|
return SPE_INVALID;
|
|
|
|
name = trim(trimmed_line.substr(0, pos));
|
|
value = trim(trimmed_line.substr(pos + 1));
|
|
|
|
if (value == "{")
|
|
return SPE_GROUP;
|
|
if (value == "\"\"\"")
|
|
return SPE_MULTILINE;
|
|
|
|
return SPE_KVPAIR;
|
|
}
|
|
|
|
|
|
void Settings::clearNoLock()
|
|
{
|
|
for (SettingEntries::const_iterator it = m_settings.begin();
|
|
it != m_settings.end(); ++it)
|
|
delete it->second.group;
|
|
m_settings.clear();
|
|
}
|
|
|
|
|
|
void Settings::setDefault(const std::string &name, const FlagDesc *flagdesc,
|
|
u32 flags)
|
|
{
|
|
s_flags[name] = flagdesc;
|
|
setDefault(name, writeFlagString(flags, flagdesc, U32_MAX));
|
|
}
|
|
|
|
const FlagDesc *Settings::getFlagDescFallback(const std::string &name) const
|
|
{
|
|
auto it = s_flags.find(name);
|
|
return it == s_flags.end() ? nullptr : it->second;
|
|
}
|
|
|
|
void Settings::registerChangedCallback(const std::string &name,
|
|
SettingsChangedCallback cbf, void *userdata)
|
|
{
|
|
MutexAutoLock lock(m_callback_mutex);
|
|
m_callbacks[name].emplace_back(cbf, userdata);
|
|
}
|
|
|
|
void Settings::deregisterChangedCallback(const std::string &name,
|
|
SettingsChangedCallback cbf, void *userdata)
|
|
{
|
|
MutexAutoLock lock(m_callback_mutex);
|
|
SettingsCallbackMap::iterator it_cbks = m_callbacks.find(name);
|
|
|
|
if (it_cbks != m_callbacks.end()) {
|
|
SettingsCallbackList &cbks = it_cbks->second;
|
|
|
|
SettingsCallbackList::iterator position =
|
|
std::find(cbks.begin(), cbks.end(), std::make_pair(cbf, userdata));
|
|
|
|
if (position != cbks.end())
|
|
cbks.erase(position);
|
|
}
|
|
}
|
|
|
|
void Settings::removeSecureSettings()
|
|
{
|
|
for (const auto &name : getNames()) {
|
|
if (name.compare(0, 7, "secure.") != 0)
|
|
continue;
|
|
|
|
errorstream << "Secure setting " << name
|
|
<< " isn't allowed, so was ignored."
|
|
<< std::endl;
|
|
remove(name);
|
|
}
|
|
}
|
|
|
|
void Settings::doCallbacks(const std::string &name) const
|
|
{
|
|
MutexAutoLock lock(m_callback_mutex);
|
|
|
|
SettingsCallbackMap::const_iterator it_cbks = m_callbacks.find(name);
|
|
if (it_cbks != m_callbacks.end()) {
|
|
SettingsCallbackList::const_iterator it;
|
|
for (it = it_cbks->second.begin(); it != it_cbks->second.end(); ++it)
|
|
(it->first)(name, it->second);
|
|
}
|
|
}
|