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- /*
- Minetest
- Copyright (C) 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 <cctype>
- #include <fstream>
- #include <json/json.h>
- #include <algorithm>
- #include "content/mods.h"
- #include "database/database.h"
- #include "filesys.h"
- #include "log.h"
- #include "content/subgames.h"
- #include "settings.h"
- #include "porting.h"
- #include "convert_json.h"
- #include "script/common/c_internal.h"
- void ModSpec::checkAndLog() const
- {
- if (!string_allowed(name, MODNAME_ALLOWED_CHARS)) {
- throw ModError("Error loading mod \"" + name +
- "\": Mod name does not follow naming conventions: "
- "Only characters [a-z0-9_] are allowed.");
- }
- // Log deprecation messages
- auto handling_mode = get_deprecated_handling_mode();
- if (!deprecation_msgs.empty() && handling_mode != DeprecatedHandlingMode::Ignore) {
- std::ostringstream os;
- os << "Mod " << name << " at " << path << ":" << std::endl;
- for (auto msg : deprecation_msgs)
- os << "\t" << msg << std::endl;
- if (handling_mode == DeprecatedHandlingMode::Error)
- throw ModError(os.str());
- else
- warningstream << os.str();
- }
- }
- bool parseDependsString(std::string &dep, std::unordered_set<char> &symbols)
- {
- dep = trim(dep);
- symbols.clear();
- size_t pos = dep.size();
- while (pos > 0 &&
- !string_allowed(dep.substr(pos - 1, 1), MODNAME_ALLOWED_CHARS)) {
- // last character is a symbol, not part of the modname
- symbols.insert(dep[pos - 1]);
- --pos;
- }
- dep = trim(dep.substr(0, pos));
- return !dep.empty();
- }
- bool parseModContents(ModSpec &spec)
- {
- // NOTE: this function works in mutual recursion with getModsInPath
- spec.depends.clear();
- spec.optdepends.clear();
- spec.is_modpack = false;
- spec.modpack_content.clear();
- // Handle modpacks (defined by containing modpack.txt)
- if (fs::IsFile(spec.path + DIR_DELIM + "modpack.txt") ||
- fs::IsFile(spec.path + DIR_DELIM + "modpack.conf")) {
- spec.is_modpack = true;
- spec.modpack_content = getModsInPath(spec.path, spec.virtual_path, true);
- return true;
- } else if (!fs::IsFile(spec.path + DIR_DELIM + "init.lua")) {
- return false;
- }
- Settings info;
- info.readConfigFile((spec.path + DIR_DELIM + "mod.conf").c_str());
- if (info.exists("name"))
- spec.name = info.get("name");
- else
- spec.deprecation_msgs.push_back("Mods not having a mod.conf file with the name is deprecated.");
- if (info.exists("author"))
- spec.author = info.get("author");
- if (info.exists("release"))
- spec.release = info.getS32("release");
- // Attempt to load dependencies from mod.conf
- bool mod_conf_has_depends = false;
- if (info.exists("depends")) {
- mod_conf_has_depends = true;
- std::string dep = info.get("depends");
- dep.erase(std::remove_if(dep.begin(), dep.end(),
- static_cast<int (*)(int)>(&std::isspace)), dep.end());
- for (const auto &dependency : str_split(dep, ',')) {
- spec.depends.insert(dependency);
- }
- }
- if (info.exists("optional_depends")) {
- mod_conf_has_depends = true;
- std::string dep = info.get("optional_depends");
- dep.erase(std::remove_if(dep.begin(), dep.end(),
- static_cast<int (*)(int)>(&std::isspace)), dep.end());
- for (const auto &dependency : str_split(dep, ',')) {
- spec.optdepends.insert(dependency);
- }
- }
- // Fallback to depends.txt
- if (!mod_conf_has_depends) {
- std::vector<std::string> dependencies;
- std::ifstream is((spec.path + DIR_DELIM + "depends.txt").c_str());
- if (is.good())
- spec.deprecation_msgs.push_back("depends.txt is deprecated, please use mod.conf instead.");
- while (is.good()) {
- std::string dep;
- std::getline(is, dep);
- dependencies.push_back(dep);
- }
- for (auto &dependency : dependencies) {
- std::unordered_set<char> symbols;
- if (parseDependsString(dependency, symbols)) {
- if (symbols.count('?') != 0) {
- spec.optdepends.insert(dependency);
- } else {
- spec.depends.insert(dependency);
- }
- }
- }
- }
- if (info.exists("description"))
- spec.desc = info.get("description");
- else if (fs::ReadFile(spec.path + DIR_DELIM + "description.txt", spec.desc))
- spec.deprecation_msgs.push_back("description.txt is deprecated, please use mod.conf instead.");
- return true;
- }
- std::map<std::string, ModSpec> getModsInPath(
- const std::string &path, const std::string &virtual_path, bool part_of_modpack)
- {
- // NOTE: this function works in mutual recursion with parseModContents
- std::map<std::string, ModSpec> result;
- std::vector<fs::DirListNode> dirlist = fs::GetDirListing(path);
- std::string mod_path;
- std::string mod_virtual_path;
- for (const fs::DirListNode &dln : dirlist) {
- if (!dln.dir)
- continue;
- const std::string &modname = dln.name;
- // Ignore all directories beginning with a ".", especially
- // VCS directories like ".git" or ".svn"
- if (modname[0] == '.')
- continue;
- mod_path.clear();
- mod_path.append(path).append(DIR_DELIM).append(modname);
- mod_virtual_path.clear();
- // Intentionally uses / to keep paths same on different platforms
- mod_virtual_path.append(virtual_path).append("/").append(modname);
- ModSpec spec(modname, mod_path, part_of_modpack, mod_virtual_path);
- parseModContents(spec);
- result.insert(std::make_pair(modname, spec));
- }
- return result;
- }
- std::vector<ModSpec> flattenMods(const std::map<std::string, ModSpec> &mods)
- {
- std::vector<ModSpec> result;
- for (const auto &it : mods) {
- const ModSpec &mod = it.second;
- if (mod.is_modpack) {
- std::vector<ModSpec> content = flattenMods(mod.modpack_content);
- result.reserve(result.size() + content.size());
- result.insert(result.end(), content.begin(), content.end());
- } else // not a modpack
- {
- result.push_back(mod);
- }
- }
- return result;
- }
- ModStorage::ModStorage(const std::string &mod_name, ModStorageDatabase *database):
- m_mod_name(mod_name), m_database(database)
- {
- }
- void ModStorage::clear()
- {
- m_database->removeModEntries(m_mod_name);
- }
- bool ModStorage::contains(const std::string &name) const
- {
- return m_database->hasModEntry(m_mod_name, name);
- }
- bool ModStorage::setString(const std::string &name, std::string_view var)
- {
- if (var.empty())
- return m_database->removeModEntry(m_mod_name, name);
- else
- return m_database->setModEntry(m_mod_name, name, var);
- }
- const StringMap &ModStorage::getStrings(StringMap *place) const
- {
- place->clear();
- m_database->getModEntries(m_mod_name, place);
- return *place;
- }
- const std::vector<std::string> &ModStorage::getKeys(std::vector<std::string> *place) const
- {
- place->clear();
- m_database->getModKeys(m_mod_name, place);
- return *place;
- }
- const std::string *ModStorage::getStringRaw(const std::string &name, std::string *place) const
- {
- return m_database->getModEntry(m_mod_name, name, place) ? place : nullptr;
- }
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