1 files changed, 92 insertions, 0 deletions
diff --git a/shed.h b/shed.h
new file mode 100644
index 0000000..fac00c4
--- /dev/null
+++ b/shed.h
@@ -0,0 +1,92 @@
+#ifndef SHED_H
+#define SHED_H
+
+#include <sys/types.h>
+
+enum {
+	CTRL_A = 0x01,
+	CTRL_B = 0x02,
+	CTRL_C = 0x03,
+	CTRL_D = 0x04,
+	CTRL_E = 0x05,
+	CTRL_F = 0x06,
+	CTRL_G = 0x07,
+	CTRL_H = 0x08,
+	CTRL_I = 0x09,
+	CTRL_J = 0x0a,
+	CTRL_K = 0x0b,
+	CTRL_L = 0x0c,
+	CTRL_M = 0x0d,
+	CTRL_N = 0x0e,
+	CTRL_O = 0x0f,
+	CTRL_P = 0x10,
+	CTRL_Q = 0x11,
+	CTRL_R = 0x12,
+	CTRL_S = 0x13,
+	CTRL_T = 0x14,
+	CTRL_U = 0x15,
+	CTRL_V = 0x16,
+	CTRL_W = 0x17,
+	CTRL_X = 0x18,
+	CTRL_Y = 0x19,
+	CTRL_Z = 0x1a,
+	ESCAPE = 0x1b,
+};
+
+struct termios;
+
+struct buffer {
+	size_t len;
+	size_t pos;
+	ssize_t nread;
+	char buf[512];	/* TODO: dynamic */
+};
+
+struct shed {
+	char *prompt;
+	int (*handle)(struct shed *e, struct termios *, char);
+	struct buffer *head;
+	struct buffer *tail;
+	struct buffer *cur;
+	int count;
+};
+
+void shed_replace_char(struct buffer *b, char c);
+void shed_insert_char(struct buffer *b, char c);
+void shed_remove_char(struct buffer *b, int forward);
+void shed_move_cursor(struct buffer *b, int move);
+
+int shed_append(struct shed *e);
+int shed_append_end(struct shed *e);
+int shed_backspace(struct shed *e);
+int shed_cancel(struct shed *e);
+int shed_change(struct shed *e);
+int shed_comment(struct shed *e);
+int shed_convert_case(struct shed *e);
+int shed_eof(struct shed *e);
+int shed_delete(struct shed *e);
+int shed_delete_toend(struct shed *e);
+int shed_erase(struct shed *e);
+int shed_execute(struct shed *e);
+int shed_insert(struct shed *e);
+int shed_insert_beginning(struct shed *e);
+int shed_redraw(struct shed *e);
+int shed_replace(struct shed *e);
+int shed_start_over(struct shed *e);
+int shed_worderase(struct shed *e);
+
+int shed_move_forward(struct shed *e);
+int shed_move_backward(struct shed *e);
+int shed_move_beginning(struct shed *e);
+int shed_move_end(struct shed *e);
+int shed_move_0(struct shed *e);
+int shed_move_column(struct shed *e);
+
+int shed_handle_insert(struct shed *e, struct termios *t, char c);
+int shed_handle_replace(struct shed *e, struct termios *t, char c);
+int shed_handle_edit(struct shed *e, struct termios *t, char c);
+int shed_handle_non_vi(struct shed *e, struct termios *t, char c);
+
+struct shed *shed(struct shed *e);
+
+#endif