mirror of
https://github.com/minetest/minetest.git
synced 2024-12-25 23:47:29 +01:00
1096 lines
23 KiB
C++
1096 lines
23 KiB
C++
/*
|
|
Minetest
|
|
Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
|
|
|
|
This program 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.
|
|
|
|
This program 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 program; if not, write to the Free Software Foundation, Inc.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include "settings.h"
|
|
#include "irrlichttypes_bloated.h"
|
|
#include "exceptions.h"
|
|
#include "threading/mutex_auto_lock.h"
|
|
#include "util/numeric.h" // rangelim
|
|
#include "util/strfnd.h"
|
|
#include <iostream>
|
|
#include <fstream>
|
|
#include <sstream>
|
|
#include "debug.h"
|
|
#include "log.h"
|
|
#include "util/serialize.h"
|
|
#include "filesys.h"
|
|
#include "noise.h"
|
|
#include <cctype>
|
|
#include <algorithm>
|
|
|
|
Settings *g_settings = nullptr;
|
|
static SettingsHierarchy g_hierarchy;
|
|
std::string g_settings_path;
|
|
|
|
std::unordered_map<std::string, const FlagDesc *> Settings::s_flags;
|
|
|
|
/* Settings hierarchy implementation */
|
|
|
|
SettingsHierarchy::SettingsHierarchy(Settings *fallback)
|
|
{
|
|
layers.push_back(fallback);
|
|
}
|
|
|
|
|
|
Settings *SettingsHierarchy::getLayer(int layer) const
|
|
{
|
|
if (layer < 0 || layer >= (int)layers.size())
|
|
throw BaseException("Invalid settings layer");
|
|
return layers[layer];
|
|
}
|
|
|
|
|
|
Settings *SettingsHierarchy::getParent(int layer) const
|
|
{
|
|
assert(layer >= 0 && layer < (int)layers.size());
|
|
// iterate towards the origin (0) to find the next fallback layer
|
|
for (int i = layer - 1; i >= 0; --i) {
|
|
if (layers[i])
|
|
return layers[i];
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
|
|
void SettingsHierarchy::onLayerCreated(int layer, Settings *obj)
|
|
{
|
|
if (layer < 0)
|
|
throw BaseException("Invalid settings layer");
|
|
if ((int)layers.size() < layer + 1)
|
|
layers.resize(layer + 1);
|
|
|
|
Settings *&pos = layers[layer];
|
|
if (pos)
|
|
throw BaseException("Setting layer " + itos(layer) + " already exists");
|
|
|
|
pos = obj;
|
|
// This feels bad
|
|
if (this == &g_hierarchy && layer == (int)SL_GLOBAL)
|
|
g_settings = obj;
|
|
}
|
|
|
|
|
|
void SettingsHierarchy::onLayerRemoved(int layer)
|
|
{
|
|
assert(layer >= 0 && layer < (int)layers.size());
|
|
layers[layer] = nullptr;
|
|
if (this == &g_hierarchy && layer == (int)SL_GLOBAL)
|
|
g_settings = nullptr;
|
|
}
|
|
|
|
/* Settings implementation */
|
|
|
|
Settings *Settings::createLayer(SettingsLayer sl, const std::string &end_tag)
|
|
{
|
|
return new Settings(end_tag, &g_hierarchy, (int)sl);
|
|
}
|
|
|
|
|
|
Settings *Settings::getLayer(SettingsLayer sl)
|
|
{
|
|
return g_hierarchy.getLayer(sl);
|
|
}
|
|
|
|
|
|
Settings::Settings(const std::string &end_tag, SettingsHierarchy *h,
|
|
int settings_layer) :
|
|
m_end_tag(end_tag),
|
|
m_hierarchy(h),
|
|
m_settingslayer(settings_layer)
|
|
{
|
|
if (m_hierarchy)
|
|
m_hierarchy->onLayerCreated(m_settingslayer, this);
|
|
}
|
|
|
|
|
|
Settings::~Settings()
|
|
{
|
|
MutexAutoLock lock(m_mutex);
|
|
|
|
if (m_hierarchy)
|
|
m_hierarchy->onLayerRemoved(m_settingslayer);
|
|
|
|
clearNoLock();
|
|
}
|
|
|
|
|
|
Settings & Settings::operator = (const Settings &other)
|
|
{
|
|
if (&other == this)
|
|
return *this;
|
|
|
|
// TODO: Avoid copying Settings objects. Make this private.
|
|
FATAL_ERROR_IF(m_hierarchy || other.m_hierarchy,
|
|
"Cannot copy or overwrite Settings object that belongs to a hierarchy");
|
|
|
|
MutexAutoLock lock(m_mutex);
|
|
MutexAutoLock lock2(other.m_mutex);
|
|
|
|
clearNoLock();
|
|
m_settings = other.m_settings;
|
|
m_callbacks = other.m_callbacks;
|
|
|
|
return *this;
|
|
}
|
|
|
|
|
|
bool Settings::checkNameValid(const std::string &name)
|
|
{
|
|
bool valid = name.find_first_of("=\"{}#") == std::string::npos;
|
|
if (valid)
|
|
valid = std::find_if(name.begin(), name.end(), ::isspace) == name.end();
|
|
|
|
if (!valid) {
|
|
errorstream << "Invalid setting name \"" << name << "\""
|
|
<< std::endl;
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
bool Settings::checkValueValid(const std::string &value)
|
|
{
|
|
if (value.substr(0, 3) == "\"\"\"" ||
|
|
value.find("\n\"\"\"") != std::string::npos) {
|
|
errorstream << "Invalid character sequence '\"\"\"' found in"
|
|
" setting value!" << std::endl;
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
std::string Settings::getMultiline(std::istream &is, size_t *num_lines)
|
|
{
|
|
size_t lines = 1;
|
|
std::string value;
|
|
std::string line;
|
|
|
|
while (is.good()) {
|
|
lines++;
|
|
std::getline(is, line);
|
|
if (line == "\"\"\"")
|
|
break;
|
|
value += line;
|
|
value.push_back('\n');
|
|
}
|
|
|
|
size_t len = value.size();
|
|
if (len)
|
|
value.erase(len - 1);
|
|
|
|
if (num_lines)
|
|
*num_lines = lines;
|
|
|
|
return value;
|
|
}
|
|
|
|
|
|
bool Settings::readConfigFile(const char *filename)
|
|
{
|
|
std::ifstream is(filename);
|
|
if (!is.good())
|
|
return false;
|
|
|
|
return parseConfigLines(is);
|
|
}
|
|
|
|
|
|
bool Settings::parseConfigLines(std::istream &is)
|
|
{
|
|
MutexAutoLock lock(m_mutex);
|
|
|
|
std::string line, name, value;
|
|
|
|
while (is.good()) {
|
|
std::getline(is, line);
|
|
SettingsParseEvent event = parseConfigObject(line, name, value);
|
|
|
|
switch (event) {
|
|
case SPE_NONE:
|
|
case SPE_INVALID:
|
|
case SPE_COMMENT:
|
|
break;
|
|
case SPE_KVPAIR:
|
|
m_settings[name] = SettingsEntry(value);
|
|
break;
|
|
case SPE_END:
|
|
return true;
|
|
case SPE_GROUP: {
|
|
Settings *group = new Settings("}");
|
|
if (!group->parseConfigLines(is)) {
|
|
delete group;
|
|
return false;
|
|
}
|
|
m_settings[name] = SettingsEntry(group);
|
|
break;
|
|
}
|
|
case SPE_MULTILINE:
|
|
m_settings[name] = SettingsEntry(getMultiline(is));
|
|
break;
|
|
}
|
|
}
|
|
|
|
// false (failure) if end tag not found
|
|
return m_end_tag.empty();
|
|
}
|
|
|
|
|
|
void Settings::writeLines(std::ostream &os, u32 tab_depth) const
|
|
{
|
|
MutexAutoLock lock(m_mutex);
|
|
|
|
for (const auto &setting_it : m_settings)
|
|
printEntry(os, setting_it.first, setting_it.second, tab_depth);
|
|
|
|
// For groups this must be "}" !
|
|
if (!m_end_tag.empty()) {
|
|
for (u32 i = 0; i < tab_depth; i++)
|
|
os << "\t";
|
|
|
|
os << m_end_tag << "\n";
|
|
}
|
|
}
|
|
|
|
|
|
void Settings::printEntry(std::ostream &os, const std::string &name,
|
|
const SettingsEntry &entry, u32 tab_depth)
|
|
{
|
|
for (u32 i = 0; i != tab_depth; i++)
|
|
os << "\t";
|
|
|
|
if (entry.is_group) {
|
|
os << name << " = {\n";
|
|
|
|
entry.group->writeLines(os, tab_depth + 1);
|
|
|
|
// Closing bracket handled by writeLines
|
|
} else {
|
|
os << name << " = ";
|
|
|
|
if (entry.value.find('\n') != std::string::npos)
|
|
os << "\"\"\"\n" << entry.value << "\n\"\"\"\n";
|
|
else
|
|
os << entry.value << "\n";
|
|
}
|
|
}
|
|
|
|
|
|
bool Settings::updateConfigObject(std::istream &is, std::ostream &os, u32 tab_depth)
|
|
{
|
|
SettingEntries::const_iterator it;
|
|
std::set<std::string> present_entries;
|
|
std::string line, name, value;
|
|
bool was_modified = false;
|
|
bool end_found = false;
|
|
|
|
// Add any settings that exist in the config file with the current value
|
|
// in the object if existing
|
|
while (is.good() && !end_found) {
|
|
std::getline(is, line);
|
|
SettingsParseEvent event = parseConfigObject(line, name, value);
|
|
|
|
switch (event) {
|
|
case SPE_END:
|
|
// Skip end tag. Append later.
|
|
end_found = true;
|
|
break;
|
|
case SPE_MULTILINE:
|
|
value = getMultiline(is);
|
|
/* FALLTHROUGH */
|
|
case SPE_KVPAIR:
|
|
it = m_settings.find(name);
|
|
if (it != m_settings.end() &&
|
|
(it->second.is_group || it->second.value != value)) {
|
|
printEntry(os, name, it->second, tab_depth);
|
|
was_modified = true;
|
|
} else if (it == m_settings.end()) {
|
|
// Remove by skipping
|
|
was_modified = true;
|
|
break;
|
|
} else {
|
|
os << line << "\n";
|
|
if (event == SPE_MULTILINE)
|
|
os << value << "\n\"\"\"\n";
|
|
}
|
|
present_entries.insert(name);
|
|
break;
|
|
case SPE_GROUP:
|
|
it = m_settings.find(name);
|
|
if (it != m_settings.end() && it->second.is_group) {
|
|
os << line << "\n";
|
|
sanity_check(it->second.group != NULL);
|
|
was_modified |= it->second.group->updateConfigObject(is, os, tab_depth + 1);
|
|
} else if (it == m_settings.end()) {
|
|
// Remove by skipping
|
|
was_modified = true;
|
|
Settings removed_group("}"); // Move 'is' to group end
|
|
std::stringstream ss;
|
|
removed_group.updateConfigObject(is, ss, tab_depth + 1);
|
|
break;
|
|
} else {
|
|
printEntry(os, name, it->second, tab_depth);
|
|
was_modified = true;
|
|
}
|
|
present_entries.insert(name);
|
|
break;
|
|
default:
|
|
os << line << (is.eof() ? "" : "\n");
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!line.empty() && is.eof())
|
|
os << "\n";
|
|
|
|
// Add any settings in the object that don't exist in the config file yet
|
|
for (it = m_settings.begin(); it != m_settings.end(); ++it) {
|
|
if (present_entries.find(it->first) != present_entries.end())
|
|
continue;
|
|
|
|
printEntry(os, it->first, it->second, tab_depth);
|
|
was_modified = true;
|
|
}
|
|
|
|
// Append ending tag
|
|
if (!m_end_tag.empty()) {
|
|
os << m_end_tag << "\n";
|
|
was_modified |= !end_found;
|
|
}
|
|
|
|
return was_modified;
|
|
}
|
|
|
|
|
|
bool Settings::updateConfigFile(const char *filename)
|
|
{
|
|
MutexAutoLock lock(m_mutex);
|
|
|
|
std::ifstream is(filename);
|
|
std::ostringstream os(std::ios_base::binary);
|
|
|
|
bool was_modified = updateConfigObject(is, os);
|
|
is.close();
|
|
|
|
if (!was_modified)
|
|
return true;
|
|
|
|
if (!fs::safeWriteToFile(filename, os.str())) {
|
|
errorstream << "Error writing configuration file: \""
|
|
<< filename << "\"" << std::endl;
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool Settings::parseCommandLine(int argc, char *argv[],
|
|
std::map<std::string, ValueSpec> &allowed_options)
|
|
{
|
|
int nonopt_index = 0;
|
|
for (int i = 1; i < argc; i++) {
|
|
std::string arg_name = argv[i];
|
|
if (arg_name.substr(0, 2) != "--") {
|
|
// If option doesn't start with -, read it in as nonoptX
|
|
if (arg_name[0] != '-'){
|
|
std::string name = "nonopt";
|
|
name += itos(nonopt_index);
|
|
set(name, arg_name);
|
|
nonopt_index++;
|
|
continue;
|
|
}
|
|
errorstream << "Invalid command-line parameter \""
|
|
<< arg_name << "\": --<option> expected." << std::endl;
|
|
return false;
|
|
}
|
|
|
|
std::string name = arg_name.substr(2);
|
|
|
|
std::map<std::string, ValueSpec>::iterator n;
|
|
n = allowed_options.find(name);
|
|
if (n == allowed_options.end()) {
|
|
errorstream << "Unknown command-line parameter \""
|
|
<< arg_name << "\"" << std::endl;
|
|
return false;
|
|
}
|
|
|
|
ValueType type = n->second.type;
|
|
|
|
std::string value;
|
|
|
|
if (type == VALUETYPE_FLAG) {
|
|
value = "true";
|
|
} else {
|
|
if ((i + 1) >= argc) {
|
|
errorstream << "Invalid command-line parameter \""
|
|
<< name << "\": missing value" << std::endl;
|
|
return false;
|
|
}
|
|
value = argv[++i];
|
|
}
|
|
|
|
set(name, value);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
/***********
|
|
* Getters *
|
|
***********/
|
|
|
|
Settings *Settings::getParent() const
|
|
{
|
|
return m_hierarchy ? m_hierarchy->getParent(m_settingslayer) : nullptr;
|
|
}
|
|
|
|
|
|
const SettingsEntry &Settings::getEntry(const std::string &name) const
|
|
{
|
|
{
|
|
MutexAutoLock lock(m_mutex);
|
|
|
|
SettingEntries::const_iterator n;
|
|
if ((n = m_settings.find(name)) != m_settings.end())
|
|
return n->second;
|
|
}
|
|
|
|
if (auto parent = getParent())
|
|
return parent->getEntry(name);
|
|
|
|
throw SettingNotFoundException("Setting [" + name + "] not found.");
|
|
}
|
|
|
|
|
|
Settings *Settings::getGroup(const std::string &name) const
|
|
{
|
|
const SettingsEntry &entry = getEntry(name);
|
|
if (!entry.is_group)
|
|
throw SettingNotFoundException("Setting [" + name + "] is not a group.");
|
|
return entry.group;
|
|
}
|
|
|
|
|
|
const std::string &Settings::get(const std::string &name) const
|
|
{
|
|
const SettingsEntry &entry = getEntry(name);
|
|
if (entry.is_group)
|
|
throw SettingNotFoundException("Setting [" + name + "] is a group.");
|
|
return entry.value;
|
|
}
|
|
|
|
|
|
bool Settings::getBool(const std::string &name) const
|
|
{
|
|
return is_yes(get(name));
|
|
}
|
|
|
|
|
|
u16 Settings::getU16(const std::string &name) const
|
|
{
|
|
return stoi(get(name), 0, 65535);
|
|
}
|
|
|
|
|
|
s16 Settings::getS16(const std::string &name) const
|
|
{
|
|
return stoi(get(name), -32768, 32767);
|
|
}
|
|
|
|
|
|
u32 Settings::getU32(const std::string &name) const
|
|
{
|
|
return (u32) stoi(get(name));
|
|
}
|
|
|
|
s32 Settings::getS32(const std::string &name) const
|
|
{
|
|
return stoi(get(name));
|
|
}
|
|
|
|
|
|
float Settings::getFloat(const std::string &name) const
|
|
{
|
|
return stof(get(name));
|
|
}
|
|
|
|
|
|
float Settings::getFloat(const std::string &name, float min, float max) const
|
|
{
|
|
float val = stof(get(name));
|
|
return rangelim(val, min, max);
|
|
}
|
|
|
|
|
|
u64 Settings::getU64(const std::string &name) const
|
|
{
|
|
std::string s = get(name);
|
|
return from_string<u64>(s);
|
|
}
|
|
|
|
|
|
v2f Settings::getV2F(const std::string &name) const
|
|
{
|
|
v2f value;
|
|
Strfnd f(get(name));
|
|
f.next("(");
|
|
value.X = stof(f.next(","));
|
|
value.Y = stof(f.next(")"));
|
|
return value;
|
|
}
|
|
|
|
|
|
v3f Settings::getV3F(const std::string &name) const
|
|
{
|
|
return str_to_v3f(get(name));
|
|
}
|
|
|
|
|
|
u32 Settings::getFlagStr(const std::string &name, const FlagDesc *flagdesc,
|
|
u32 *flagmask) const
|
|
{
|
|
u32 flags = 0;
|
|
|
|
// Read default value (if there is any)
|
|
if (auto parent = getParent())
|
|
flags = parent->getFlagStr(name, flagdesc, flagmask);
|
|
|
|
// Apply custom flags "on top"
|
|
if (m_settings.find(name) != m_settings.end()) {
|
|
std::string value = get(name);
|
|
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
|
|
{
|
|
if (existsLocal(name))
|
|
return true;
|
|
if (auto parent = getParent())
|
|
return parent->exists(name);
|
|
return false;
|
|
}
|
|
|
|
|
|
bool Settings::existsLocal(const std::string &name) const
|
|
{
|
|
MutexAutoLock lock(m_mutex);
|
|
|
|
return m_settings.find(name) != m_settings.end();
|
|
}
|
|
|
|
|
|
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::getU32NoEx(const std::string &name, u32 &val) const
|
|
{
|
|
try {
|
|
val = getU32(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);
|
|
}
|
|
}
|