1 files changed, 169 insertions, 0 deletions
diff --git a/src/configuration.cpp b/src/configuration.cpp
new file mode 100644
index 0000000..b281b70
--- /dev/null
+++ b/src/configuration.cpp
@@ -0,0 +1,169 @@
+/*
+ * This file is part of smolbote. It's copyrighted by the contributors recorded
+ * in the version control history of the file, available from its original
+ * location: https://neueland.iserlohn-fortress.net/smolbote.hg
+ *
+ * SPDX-License-Identifier: GPL-3.0
+ */
+
+#include "configuration.h"
+#include <QtCore/QStandardPaths>
+#include <QFile>
+#include <sstream>
+
+using namespace libconfig;
+
+Configuration::Configuration(const std::string &path, const std::string &home)
+{
+    m_userCfg = new Config();
+    // prettier output
+    m_userCfg->setOption(Config::OptionSemicolonSeparators, true);
+    m_userCfg->setOption(Config::OptionColonAssignmentForGroups, false);
+    m_userCfg->setOption(Config::OptionColonAssignmentForNonGroups, false);
+    m_userCfg->setOption(Config::OptionOpenBraceOnSeparateLine, false);
+    m_userCfg->setOption(Config::OptionFsync, true);
+
+    m_userCfgPath = path;
+    m_homePath = home;
+}
+
+Configuration::~Configuration()
+{
+    delete m_userCfg;
+}
+
+bool Configuration::read(const QString &path)
+{
+    QFile conf(path);
+
+    if(!conf.open(QIODevice::ReadOnly)) {
+        return false;
+    }
+
+    try {
+        m_userCfg->readString(conf.readAll().toStdString());
+        conf.close();
+    } catch(const ParseException &e) {
+        return false;
+    }
+
+    return true;
+}
+
+bool Configuration::writeIfNeeded(const std::string &path)
+{
+    if(!path.empty())
+        m_userCfgPath = path;
+
+    if(!changed)
+        return true;
+
+    try {
+        m_userCfg->writeFile(m_userCfgPath.c_str());
+    } catch(const FileIOException &e) {
+        return false;
+    }
+
+    changed = false;
+    return true;
+}
+
+std::vector<std::string> Configuration::childrenSettings(const char *name)
+{
+    std::vector<std::string> groupNames;
+    const Setting &root = m_userCfg->lookup(name);
+
+    for(const Setting &setting : root) {
+        if(setting.getType() != Setting::TypeGroup) {
+            groupNames.emplace_back(setting.getName());
+            //groupNames.push_back(setting.getName());
+        }
+    }
+
+    return groupNames;
+}
+
+std::vector<std::string> Configuration::childrenGroups(const char *name)
+{
+    std::vector<std::string> groupNames;
+    const Setting &root = m_userCfg->lookup(name);
+
+    for(const Setting &setting : root) {
+        if(setting.getType() == Setting::TypeGroup) {
+            groupNames.emplace_back(setting.getName());
+            //groupNames.push_back(setting.getName());
+        }
+    }
+    return groupNames;
+}
+
+std::string castToString(const libconfig::Setting &v)
+{
+    // cast depending on type
+    // type checks are done during compile time
+    switch(v.getType()) {
+    case Setting::TypeNone:
+        return std::string();
+
+    case Setting::TypeInt:
+        // int, unsigned int, long, unsigned long
+        return std::to_string(static_cast<int32_t>(v));
+
+    case Setting::TypeInt64:
+        // int, unsigned int; long long, unsigned long long
+        return std::to_string(static_cast<int64_t>(v));
+
+    case Setting::TypeFloat:
+        // float, double
+        return std::to_string(static_cast<double>(v));
+
+    case Setting::TypeString:
+        // const char*, std::string
+        return std::string(static_cast<const char *>(v));
+
+    case Setting::TypeBoolean:
+        // bool
+        return std::string(static_cast<bool>(v) ? "true" : "false");
+
+    case Setting::TypeGroup:
+    case Setting::TypeArray:
+    case Setting::TypeList:
+        return std::string();
+    }
+}
+
+void setFromString(libconfig::Setting &setting, const std::string &value)
+{
+    switch(setting.getType()) {
+        case libconfig::Setting::TypeNone:
+            break;
+
+        case libconfig::Setting::TypeInt:
+        case libconfig::Setting::TypeInt64:
+            setting = std::stoi(value);
+            break;
+
+        case libconfig::Setting::TypeFloat:
+            setting = std::stod(value);
+            break;
+
+        case libconfig::Setting::TypeString:
+            setting = value.c_str();
+            break;
+
+        case libconfig::Setting::TypeBoolean:
+            if(value == "true") {
+                setting = true;
+            } else if(value == "false") {
+                setting = false;
+            }
+            break;
+
+        case libconfig::Setting::TypeGroup:
+            break;
+        case libconfig::Setting::TypeArray:
+            break;
+        case libconfig::Setting::TypeList:
+            break;
+    }
+}