update

localization.cpp

@@ -0,0 +1,49 @@
+#include "localization.h"
+#include "yamlparser.h"
+#include <QDebug>
+
+Localization& Localization::instance()
+{
+    static Localization s_instance;
+    return s_instance;
+}
+
+Localization::Localization()
+    : m_loaded(false)
+{
+}
+
+void Localization::flattenNode(const YamlNode &node, const QString &prefix)
+{
+    if (!node.value.isEmpty()) {
+        m_strings[prefix] = node.value;
+    }
+    for (auto it = node.children.begin(); it != node.children.end(); ++it) {
+        QString nextPrefix = prefix.isEmpty() ? it.key() : (prefix + "." + it.key());
+        flattenNode(it.value(), nextPrefix);
+    }
+}
+
+bool Localization::loadFile(const QString &filePath)
+{
+    YamlNode root = YamlParser::parseFile(filePath);
+    if (root.children.isEmpty() && root.value.isEmpty()) {
+        qWarning() << "Failed to parse localization file:" << filePath;
+        return false;
+    }
+
+    m_strings.clear();
+    flattenNode(root, "");
+    m_loaded = true;
+    qDebug() << "Localization loaded" << m_strings.size() << "keys from" << filePath;
+    return true;
+}
+
+QString Localization::get(const QString &key, const QString &defaultVal) const
+{
+    auto it = m_strings.find(key);
+    if (it != m_strings.end()) {
+        return it.value();
+    }
+    return defaultVal.isEmpty() ? key : defaultVal;
+}