latest SDK

foobar2000/helpers/reader_pretend_nonseekable.h

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+#pragma once
+
+class reader_pretend_nonseekable : public file {
+public:
+	reader_pretend_nonseekable( file::ptr f, bool pretendRemote = true ) : m_file(f), m_pretendRemote(pretendRemote) {}
+
+	t_filesize get_size(abort_callback & p_abort) {
+		return m_file->get_size(p_abort);
+	}
+
+
+	t_filesize get_position(abort_callback & p_abort) {
+		return m_file->get_position(p_abort);
+	}
+
+	void resize(t_filesize p_size, abort_callback & p_abort) {
+		throw exception_io_denied();
+	}
+
+	void seek(t_filesize p_position, abort_callback & p_abort) {
+		throw exception_io_object_not_seekable();
+	}
+
+	void seek_ex(t_sfilesize p_position, t_seek_mode p_mode, abort_callback & p_abort) {
+		throw exception_io_object_not_seekable();
+	}
+
+	bool can_seek() {return false;}
+
+	bool get_content_type(pfc::string_base & p_out) {
+		return m_file->get_content_type(p_out);
+	}
+
+	bool is_in_memory() { return m_file->is_in_memory(); }
+
+	void on_idle(abort_callback & p_abort) {m_file->on_idle(p_abort);}
+
+	t_filetimestamp get_timestamp(abort_callback & p_abort) { return m_file->get_timestamp(p_abort); }
+
+	void reopen(abort_callback & p_abort) {
+#if PFC_DEBUG
+		auto pos = get_position(p_abort);
+		FB2K_console_formatter() << "pretend nonseekable reader reopen @ " << pos;
+		if ( pos > 0 ) {
+			pfc::nop();
+		}
+#endif
+		m_file->reopen(p_abort);
+	}
+
+	bool is_remote() {return m_pretendRemote;}
+
+	size_t read( void * ptr, size_t bytes, abort_callback & abort ) { return m_file->read(ptr, bytes, abort); }
+	void read_object(void * p_buffer, t_size p_bytes, abort_callback & p_abort) {m_file->read_object(p_buffer, p_bytes, p_abort); }
+	t_filesize skip(t_filesize p_bytes, abort_callback & p_abort) { return m_file->skip(p_bytes, p_abort); } 
+	void skip_object(t_filesize p_bytes, abort_callback & p_abort) { m_file->skip_object(p_bytes, p_abort); }
+	void write( const void * ptr, size_t bytes, abort_callback & abort ) { throw exception_io_denied(); }
+private:
+	const file::ptr m_file;
+	const bool m_pretendRemote;
+};