save state

designer/src/desktop_file_interface.cpp

@@ -0,0 +1,66 @@
+// D:\Dev\Mosis\MosisService\designer\src\desktop_file_interface.cpp
+#include "desktop_file_interface.h"
+#include <cstdio>
+#include <filesystem>
+
+namespace fs = std::filesystem;
+
+namespace mosis {
+
+void DesktopFileInterface::SetAssetsPath(const std::string& path) {
+    m_assets_path = path;
+    // Ensure trailing separator
+    if (!m_assets_path.empty() && m_assets_path.back() != '/' && m_assets_path.back() != '\\') {
+        m_assets_path += '/';
+    }
+}
+
+std::string DesktopFileInterface::ResolvePath(const std::string& path) const {
+    // If path is absolute, use it directly
+    if (fs::path(path).is_absolute()) {
+        return path;
+    }
+    // Otherwise, prepend assets path
+    return m_assets_path + path;
+}
+
+Rml::FileHandle DesktopFileInterface::Open(const Rml::String& path) {
+    std::string resolved = ResolvePath(path);
+    FILE* file = fopen(resolved.c_str(), "rb");
+    return reinterpret_cast<Rml::FileHandle>(file);
+}
+
+void DesktopFileInterface::Close(Rml::FileHandle file) {
+    if (file) {
+        fclose(reinterpret_cast<FILE*>(file));
+    }
+}
+
+size_t DesktopFileInterface::Read(void* buffer, size_t size, Rml::FileHandle file) {
+    if (!file) return 0;
+    return fread(buffer, 1, size, reinterpret_cast<FILE*>(file));
+}
+
+bool DesktopFileInterface::Seek(Rml::FileHandle file, long offset, int origin) {
+    if (!file) return false;
+    return fseek(reinterpret_cast<FILE*>(file), offset, origin) == 0;
+}
+
+size_t DesktopFileInterface::Tell(Rml::FileHandle file) {
+    if (!file) return 0;
+    return static_cast<size_t>(ftell(reinterpret_cast<FILE*>(file)));
+}
+
+size_t DesktopFileInterface::Length(Rml::FileHandle file) {
+    if (!file) return 0;
+    
+    FILE* f = reinterpret_cast<FILE*>(file);
+    long current = ftell(f);
+    fseek(f, 0, SEEK_END);
+    long length = ftell(f);
+    fseek(f, current, SEEK_SET);
+    
+    return static_cast<size_t>(length);
+}
+
+} // namespace mosis