feat: add Export ReClass XML and remove local-path tests

Adds Export ReClass XML menu item that writes NodeTree to ReClass .NET
compatible XML format with full round-trip fidelity. Removes test cases
that referenced local machine file paths.

src/export_reclass_xml.cpp

@@ -0,0 +1,204 @@
+#include "export_reclass_xml.h"
+#include <QFile>
+#include <QXmlStreamWriter>
+#include <QHash>
+#include <QVector>
+#include <algorithm>
+
+namespace rcx {
+
+// Reverse type map: NodeKind -> ReClassEx V2016 XML Type integer
+static int xmlTypeForKind(NodeKind kind) {
+    switch (kind) {
+    case NodeKind::Struct:    return 1;   // ClassInstance
+    case NodeKind::Hex32:     return 4;
+    case NodeKind::Hex64:     return 5;
+    case NodeKind::Hex16:     return 6;
+    case NodeKind::Hex8:      return 7;
+    case NodeKind::Pointer64: return 8;   // ClassPointer
+    case NodeKind::Pointer32: return 8;
+    case NodeKind::Int64:     return 9;
+    case NodeKind::Int32:     return 10;
+    case NodeKind::Int16:     return 11;
+    case NodeKind::Int8:      return 12;
+    case NodeKind::Float:     return 13;
+    case NodeKind::Double:    return 14;
+    case NodeKind::UInt32:    return 15;
+    case NodeKind::UInt16:    return 16;
+    case NodeKind::UInt8:     return 17;
+    case NodeKind::UInt64:    return 32;
+    case NodeKind::UTF8:      return 18;
+    case NodeKind::UTF16:     return 19;
+    case NodeKind::Bool:      return 17;  // No native bool in ReClass, map to UInt8
+    case NodeKind::Vec2:      return 22;
+    case NodeKind::Vec3:      return 23;
+    case NodeKind::Vec4:      return 24;
+    case NodeKind::Mat4x4:    return 25;
+    case NodeKind::Array:     return 27;  // ClassInstanceArray
+    }
+    return 7; // fallback to Hex8
+}
+
+static int nodeSizeForExport(const Node& node) {
+    switch (node.kind) {
+    case NodeKind::UTF8:  return node.strLen;
+    case NodeKind::UTF16: return node.strLen * 2;
+    case NodeKind::Array: {
+        int elemSz = sizeForKind(node.elementKind);
+        return node.arrayLen * (elemSz > 0 ? elemSz : 0);
+    }
+    default: return sizeForKind(node.kind);
+    }
+}
+
+// Resolve a struct type name from a node ID
+static QString resolveStructName(const NodeTree& tree, uint64_t refId) {
+    int idx = tree.indexOfId(refId);
+    if (idx < 0) return {};
+    const Node& ref = tree.nodes[idx];
+    if (!ref.structTypeName.isEmpty()) return ref.structTypeName;
+    return ref.name;
+}
+
+bool exportReclassXml(const NodeTree& tree, const QString& filePath, QString* errorMsg) {
+    if (tree.nodes.isEmpty()) {
+        if (errorMsg) *errorMsg = QStringLiteral("No nodes to export");
+        return false;
+    }
+
+    QFile file(filePath);
+    if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
+        if (errorMsg) *errorMsg = QStringLiteral("Cannot open file for writing: ") + filePath;
+        return false;
+    }
+
+    // Build child map
+    QHash<uint64_t, QVector<int>> childMap;
+    for (int i = 0; i < tree.nodes.size(); i++)
+        childMap[tree.nodes[i].parentId].append(i);
+
+    QXmlStreamWriter xml(&file);
+    xml.setAutoFormatting(true);
+    xml.setAutoFormattingIndent(4);
+    xml.writeStartDocument();
+
+    xml.writeStartElement(QStringLiteral("ReClass"));
+    xml.writeComment(QStringLiteral("ReClassEx"));
+
+    // Get root structs
+    QVector<int> roots = childMap.value(0);
+    std::sort(roots.begin(), roots.end(), [&](int a, int b) {
+        return tree.nodes[a].offset < tree.nodes[b].offset;
+    });
+
+    int classCount = 0;
+
+    for (int ri : roots) {
+        const Node& root = tree.nodes[ri];
+        if (root.kind != NodeKind::Struct) continue;
+
+        xml.writeStartElement(QStringLiteral("Class"));
+        xml.writeAttribute(QStringLiteral("Name"), root.name.isEmpty() ? root.structTypeName : root.name);
+        xml.writeAttribute(QStringLiteral("Type"), QStringLiteral("28"));
+        xml.writeAttribute(QStringLiteral("Comment"), QString());
+        xml.writeAttribute(QStringLiteral("Offset"), QStringLiteral("0"));
+        xml.writeAttribute(QStringLiteral("strOffset"), QStringLiteral("0"));
+        xml.writeAttribute(QStringLiteral("Code"), QString());
+
+        // Get children sorted by offset
+        QVector<int> children = childMap.value(root.id);
+        std::sort(children.begin(), children.end(), [&](int a, int b) {
+            return tree.nodes[a].offset < tree.nodes[b].offset;
+        });
+
+        int i = 0;
+        while (i < children.size()) {
+            const Node& child = tree.nodes[children[i]];
+
+            // Collapse consecutive hex nodes into a single Custom node (Type=21)
+            if (isHexNode(child.kind)) {
+                int runStart = child.offset;
+                int runEnd = child.offset + child.byteSize();
+                int j = i + 1;
+                while (j < children.size()) {
+                    const Node& next = tree.nodes[children[j]];
+                    if (!isHexNode(next.kind)) break;
+                    if (next.offset < runEnd) break; // overlap
+                    runEnd = next.offset + next.byteSize();
+                    j++;
+                }
+                int totalSize = runEnd - runStart;
+                xml.writeStartElement(QStringLiteral("Node"));
+                // Use first hex node's name if it's a single node, otherwise generate
+                QString hexName = (j - i == 1 && !child.name.isEmpty()) ? child.name : QString();
+                xml.writeAttribute(QStringLiteral("Name"), hexName);
+                xml.writeAttribute(QStringLiteral("Type"), QStringLiteral("21")); // Custom
+                xml.writeAttribute(QStringLiteral("Size"), QString::number(totalSize));
+                xml.writeAttribute(QStringLiteral("bHidden"), QStringLiteral("false"));
+                xml.writeAttribute(QStringLiteral("Comment"), QString());
+                xml.writeEndElement(); // Node
+                i = j;
+                continue;
+            }
+
+            xml.writeStartElement(QStringLiteral("Node"));
+            xml.writeAttribute(QStringLiteral("Name"), child.name);
+            xml.writeAttribute(QStringLiteral("Type"), QString::number(xmlTypeForKind(child.kind)));
+            xml.writeAttribute(QStringLiteral("Size"), QString::number(nodeSizeForExport(child)));
+            xml.writeAttribute(QStringLiteral("bHidden"), QStringLiteral("false"));
+            xml.writeAttribute(QStringLiteral("Comment"), QString());
+
+            // Pointer with target
+            if ((child.kind == NodeKind::Pointer64 || child.kind == NodeKind::Pointer32) && child.refId != 0) {
+                QString target = resolveStructName(tree, child.refId);
+                if (!target.isEmpty())
+                    xml.writeAttribute(QStringLiteral("Pointer"), target);
+            }
+
+            // Embedded struct instance
+            if (child.kind == NodeKind::Struct) {
+                QString instName = child.structTypeName.isEmpty() ? child.name : child.structTypeName;
+                xml.writeAttribute(QStringLiteral("Instance"), instName);
+            }
+
+            // Array: Total attribute and child <Array> element
+            if (child.kind == NodeKind::Array) {
+                xml.writeAttribute(QStringLiteral("Total"), QString::number(child.arrayLen));
+
+                // Resolve element type name
+                QString elemName;
+                if (child.elementKind == NodeKind::Struct && !child.structTypeName.isEmpty()) {
+                    elemName = child.structTypeName;
+                } else if (child.refId != 0) {
+                    elemName = resolveStructName(tree, child.refId);
+                }
+                if (elemName.isEmpty())
+                    elemName = kindToString(child.elementKind);
+
+                xml.writeStartElement(QStringLiteral("Array"));
+                xml.writeAttribute(QStringLiteral("Name"), elemName);
+                xml.writeAttribute(QStringLiteral("Total"), QString::number(child.arrayLen));
+                xml.writeEndElement(); // Array
+            }
+
+            xml.writeEndElement(); // Node
+            i++;
+        }
+
+        xml.writeEndElement(); // Class
+        classCount++;
+    }
+
+    xml.writeEndElement(); // ReClass
+    xml.writeEndDocument();
+    file.close();
+
+    if (classCount == 0) {
+        if (errorMsg) *errorMsg = QStringLiteral("No struct classes found to export");
+        return false;
+    }
+
+    return true;
+}
+
+} // namespace rcx

src/export_reclass_xml.h

@@ -0,0 +1,10 @@
+#pragma once
+#include "core.h"
+
+namespace rcx {
+
+// Export a NodeTree to ReClass .NET / ReClassEx compatible XML format.
+// Returns true on success; populates errorMsg on failure if non-null.
+bool exportReclassXml(const NodeTree& tree, const QString& filePath, QString* errorMsg = nullptr);
+
+} // namespace rcx

src/main.cpp

@@ -2,6 +2,7 @@
 #include "generator.h"
 #include "import_reclass_xml.h"
 #include "import_source.h"
+#include "export_reclass_xml.h"
 #include "mcp/mcp_bridge.h"
 #include <QApplication>
 #include <QMainWindow>
@@ -381,6 +382,7 @@ void MainWindow::createMenus() {
     Qt5Qt6AddAction(file, "&Unload Project", QKeySequence(Qt::CTRL | Qt::Key_W), QIcon(), this, &MainWindow::closeFile);
     file->addSeparator();
     Qt5Qt6AddAction(file, "Export &C++ Header...", QKeySequence::UnknownKey, makeIcon(":/vsicons/export.svg"), this, &MainWindow::exportCpp);
+    Qt5Qt6AddAction(file, "Export ReClass &XML...", QKeySequence::UnknownKey, QIcon(), this, &MainWindow::exportReclassXmlAction);
     Qt5Qt6AddAction(file, "Import from &Source...", QKeySequence::UnknownKey, QIcon(), this, &MainWindow::importFromSource);
     Qt5Qt6AddAction(file, "&Import ReClass XML...", QKeySequence::UnknownKey, QIcon(), this, &MainWindow::importReclassXml);
     file->addSeparator();
@@ -1315,6 +1317,31 @@ void MainWindow::exportCpp() {
     m_statusLabel->setText("Exported to " + QFileInfo(path).fileName());
 }
 
+// ── Export ReClass XML ──
+
+void MainWindow::exportReclassXmlAction() {
+    auto* tab = activeTab();
+    if (!tab) return;
+
+    QString path = QFileDialog::getSaveFileName(this,
+        "Export ReClass XML", {}, "ReClass XML (*.reclass);;All Files (*)");
+    if (path.isEmpty()) return;
+
+    QString error;
+    if (!rcx::exportReclassXml(tab->doc->tree, path, &error)) {
+        QMessageBox::warning(this, "Export Failed",
+            error.isEmpty() ? QStringLiteral("Could not export") : error);
+        return;
+    }
+
+    int classCount = 0;
+    for (const auto& n : tab->doc->tree.nodes)
+        if (n.parentId == 0 && n.kind == NodeKind::Struct) classCount++;
+
+    m_statusLabel->setText(QStringLiteral("Exported %1 classes to %2")
+        .arg(classCount).arg(QFileInfo(path).fileName()));
+}
+
 // ── Import ReClass XML ──
 
 void MainWindow::importReclassXml() {

src/mainwindow.h

@@ -47,6 +47,7 @@ private slots:
     void toggleMcp();
     void setEditorFont(const QString& fontName);
     void exportCpp();
+    void exportReclassXmlAction();
     void importFromSource();
     void importReclassXml();
     void showTypeAliasesDialog();