Implementações em importer.hpp

includes/pipeline/importer.hpp

@@ -0,0 +1,67 @@
+#ifndef XNA_PIPELINE_IMPORTER_HPP
+#define XNA_PIPELINE_IMPORTER_HPP
+
+#include <any>
+#include <string>
+#include <memory>
+#include <vector>
+#include <map>
+#include "logger.hpp"
+
+namespace xna {
+	//Provides properties that define logging behavior for the importer.
+	struct ContentImporterContext {
+		//Gets the logger for an importer.
+		virtual std::shared_ptr<ContentBuilderLogger> Logger() = 0;
+		//Name of an asset file.
+		virtual void AddDependency(std::string filename) = 0;
+		//The absolute path to the root of the build output (binaries) directory.
+		virtual std::string OutputDirectory() = 0;
+		//The absolute path to the root of the build intermediate (object) directory.
+		virtual std::string IntermediateDirectory() = 0;
+	};
+
+	//Accesses a statically typed ContentImporter instance from generic code using dynamic typing.
+	struct IContentImporter {
+		//Imports an asset from the specified file.
+		virtual std::any Import(std::string const& filename, ContentImporterContext& context) = 0;
+	};
+
+	//Implements a file format importer for use with game assets.
+	template <typename T>
+	struct ContentImporter_T : public IContentImporter {
+		//Imports an asset from the specified file.
+		virtual T Import(std::string const& filename, ContentImporterContext& context) = 0;
+
+		//Imports an asset from the specified file.
+		std::any Import(std::string const& filename, ContentImporterContext& context) override {
+			std::any obj = Import<T>(filename, context);
+			return obj;
+		}
+	};
+
+	//rovides properties that identify and provide metadata about the importer, such as supported file extensions and caching information.
+	struct ContentImporterAttribute {
+		bool CacheImportedData;
+		std::string DisplayName;
+		std::string DefaultProcessor;
+
+		ContentImporterAttribute(std::string const& fileExtension) {
+			fileExtensions.push_back(fileExtension);
+		}
+
+		ContentImporterAttribute(std::vector<std::string> const& fileExtensions) {
+			this->fileExtensions = fileExtensions;
+			//TODO: check extensions
+		}
+
+		const std::vector<std::string>& FileExtensions() const {
+			return fileExtensions;
+		}
+
+	private:
+		std::vector<std::string> fileExtensions;
+	};
+}
+
+#endif

includes/pipeline/logger.hpp

@@ -0,0 +1,10 @@
+#ifndef XNA_PIPELINE_LOGGER_HPP
+#define XNA_PIPELINE_LOGGER_HPP
+
+namespace xna {
+	class ContentBuilderLogger {
+
+	};
+}
+
+#endif

sources/pipeline/CMakeLists.txt

@@ -6,7 +6,7 @@
 add_library (Xn65Pipeline STATIC 
 "writer.cpp"
 "compiler.cpp"
-)
+ "importer.cpp")
 
 if (CMAKE_VERSION VERSION_GREATER 3.12)
   set_property(TARGET Xn65Pipeline PROPERTY CXX_STANDARD 20)

sources/pipeline/importer.cpp

@@ -0,0 +1 @@
+#include "pipeline/importer.hpp"