Initial commit

Frameworks/document/src/reader.h

@@ -0,0 +1,68 @@
+#ifndef READER_H_DD5U5J92
+#define READER_H_DD5U5J92
+
+#include "document.h" // document::document_t::reader_t
+#include <file/bytes.h>
+#include <oak/misc.h>
+#include <oak/debug.h>
+#include <sys/mman.h>
+
+namespace reader
+{
+	struct async_t : document::document_t::reader_t
+	{
+		WATCH_LEAKS(async_t);
+
+		async_t (std::string const& path);
+		~async_t ();
+		io::bytes_ptr next ();
+
+	private:
+		void setup_request ();
+		aiocb* request;
+
+		int fd;
+		off_t offset, file_size;
+	};
+
+	struct mapped_t : document::document_t::reader_t
+	{
+		WATCH_LEAKS(mapped_t);
+
+		mapped_t (std::string const& path);
+		~mapped_t ();
+		io::bytes_ptr next ();
+
+	private:
+		char* memory;
+		int fd;
+		off_t offset, file_size, mapped_size;
+	};
+
+	struct fopen_t : document::document_t::reader_t
+	{
+		WATCH_LEAKS(fopen_t);
+
+		fopen_t (std::string const& path);
+		~fopen_t ();
+		io::bytes_ptr next ();
+
+	private:
+		FILE* fp;
+	};
+
+	struct open_t : document::document_t::reader_t
+	{
+		WATCH_LEAKS(open_t);
+
+		open_t (std::string const& path);
+		~open_t ();
+		io::bytes_ptr next ();
+
+	private:
+		int fd;
+	};
+
+} /* reader */
+
+#endif /* end of include guard: READER_H_DD5U5J92 */