Initial commit

engines/ultima/ultima8/conf/config_file_manager.cpp

@@ -0,0 +1,148 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "common/file.h"
+
+#include "ultima/ultima8/misc/debugger.h"
+#include "ultima/ultima8/conf/config_file_manager.h"
+
+namespace Ultima {
+namespace Ultima8 {
+
+using Std::string;
+
+ConfigFileManager *ConfigFileManager::_configFileManager = nullptr;
+
+ConfigFileManager::ConfigFileManager() {
+	debug(1, "Creating ConfigFileManager...");
+
+	_configFileManager = this;
+}
+
+ConfigFileManager::~ConfigFileManager() {
+	debug(1, "Destroying ConfigFileManager...");
+
+	clear();
+	_configFileManager = nullptr;
+}
+
+bool ConfigFileManager::readConfigFile(const Common::Path &fname, const Std::string &category) {
+	Common::File f;
+	if (!f.open(fname))
+		return false;
+
+	ConfigFile *configFile = new ConfigFile();
+	configFile->_category = category;
+
+	// We need various characters as the inis are used for translations.
+	configFile->_iniFile.allowNonEnglishCharacters();
+
+	if (!configFile->_iniFile.loadFromStream(f)) {
+		delete configFile;
+		return false;
+	}
+
+	_configFiles.push_back(configFile);
+	return true;
+}
+
+void ConfigFileManager::clear() {
+	for (auto *i : _configFiles) {
+		delete i;
+	}
+	_configFiles.clear();
+}
+
+void ConfigFileManager::clearRoot(const Std::string &category) {
+	Std::vector<ConfigFile *>::iterator i = _configFiles.begin();
+
+	while (i != _configFiles.end()) {
+		if (category.equalsIgnoreCase((*i)->_category)) {
+			delete(*i);
+			i = _configFiles.erase(i);
+		} else {
+			++i;
+		}
+	}
+}
+
+bool ConfigFileManager::get(const Std::string &category, const Std::string &section, const Std::string &key, string &ret) const {
+	for (int i = _configFiles.size() - 1; i >= 0; --i) {
+		const ConfigFile *file = _configFiles[i];
+		if (category.equalsIgnoreCase(file->_category)) {
+			if (file->_iniFile.getKey(key, section, ret)) {
+				return true;
+			}
+		}
+	}
+
+	return false;
+}
+
+
+bool ConfigFileManager::get(const Std::string &category, const Std::string &section, const Std::string &key, int &ret) const {
+	string stringval;
+	if (!get(category, section, key, stringval))
+		return false;
+
+	ret = strtol(stringval.c_str(), 0, 0);
+	return true;
+}
+
+bool ConfigFileManager::get(const Std::string &category, const Std::string &section, const Std::string &key, bool &ret) const {
+	string stringval;
+	if (!get(category, section, key, stringval))
+		return false;
+
+	ret = (stringval == "yes" || stringval == "true");
+	return true;
+}
+
+Std::vector<Std::string> ConfigFileManager::listSections(const Std::string &category) const {
+	Std::vector<Std::string> sections;
+	for (const auto *i : _configFiles) {
+		if (category.equalsIgnoreCase(i->_category)) {
+			Common::INIFile::SectionList sectionList = i->_iniFile.getSections();
+			for (const auto &j : sectionList) {
+				sections.push_back(j.name);
+			}
+		}
+	}
+
+	return sections;
+}
+
+KeyMap ConfigFileManager::listKeyValues(const Std::string &category, const Std::string &section) const {
+	KeyMap values;
+	for (const auto *c : _configFiles) {
+		if (category.equalsIgnoreCase(c->_category) && c->_iniFile.hasSection(section)) {
+			Common::INIFile::SectionKeyList keys = c->_iniFile.getKeys(section);
+			for (const auto &j : keys) {
+				values[j.key] = j.value;
+			}
+		}
+	}
+
+	return values;
+}
+
+} // End of namespace Ultima8
+} // End of namespace Ultima

engines/ultima/ultima8/conf/config_file_manager.h

@@ -0,0 +1,87 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef ULTIMA8_CONF_CONFIGFILEMANAGER_H
+#define ULTIMA8_CONF_CONFIGFILEMANAGER_H
+
+#include "common/formats/ini-file.h"
+#include "ultima/shared/std/string.h"
+#include "ultima/shared/std/containers.h"
+
+namespace Ultima {
+namespace Ultima8 {
+
+typedef Common::HashMap<Std::string, Std::string, Common::IgnoreCase_Hash> KeyMap;
+
+class ConfigFileManager {
+public:
+	ConfigFileManager();
+	~ConfigFileManager();
+
+	struct ConfigFile {
+		Std::string _category;
+		Common::INIFile _iniFile;
+	};
+
+	static ConfigFileManager *get_instance() {
+		return _configFileManager;
+	}
+
+	//! read a config file. Multiple files may be read. Order is important.
+	//! \param fname The file to read
+	//! \param root The name of the root node in the file
+	//! \param readonly If true, don't write to this file's tree (or the file)
+	//! \return true if successful
+	bool readConfigFile(const Common::Path &fname, const Std::string &category);
+
+	//! clear everything
+	void clear();
+
+	//! clear everything in a root
+	void clearRoot(const Std::string &category);
+
+	//! get value
+	bool get(const Std::string &category, const Std::string &section, const Std::string &key, Std::string &ret) const;
+	//! get value
+	bool get(const Std::string &category, const Std::string &section, const Std::string &key, int &ret) const;
+	//! get value
+	bool get(const Std::string &category, const Std::string &section, const Std::string &key, bool &ret) const;
+
+	//! list all sections
+	//! \param category The config category to list all sections in
+	//! \return the sections. They have no guaranteed order.
+	Std::vector<Std::string> listSections(const Std::string &category) const;
+	//! list all key-value pairs in the given section.
+	//! \param category The config category for the section to list
+	//! \param section The section to list
+	//! \return the key-value pairs. They have no guaranteed order.
+	KeyMap listKeyValues(const Std::string &category, const Std::string &section) const;
+
+private:
+	Std::vector<ConfigFile *> _configFiles;
+
+	static ConfigFileManager *_configFileManager;
+};
+
+} // End of namespace Ultima8
+} // End of namespace Ultima
+
+#endif