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#include <stddef.h>
#include <stdint.h>
#include "command.h"
#include "text.h"
struct keymap;
struct buffer {
const char *name;
const char *filename;
struct text *text;
uint32_t dot_line;
uint32_t dot_col;
uint8_t *modeline_buf;
// local keymaps
struct keymap *keymaps;
uint32_t nkeymaps;
uint32_t nkeymaps_max;
uint32_t lines_rendered;
};
struct buffer_update {
struct render_cmd *cmds;
uint64_t ncmds;
};
typedef void *(alloc_fn)(size_t);
struct buffer buffer_create(const char *name);
void buffer_destroy(struct buffer *buffer);
uint32_t buffer_keymaps(struct buffer *buffer, struct keymap **keymaps_out);
void buffer_add_keymap(struct buffer *buffer, struct keymap *keymap);
int buffer_add_text(struct buffer *buffer, uint8_t *text, uint32_t nbytes);
void buffer_forward_delete_char(struct buffer *buffer);
void buffer_backward_delete_char(struct buffer *buffer);
void buffer_backward_char(struct buffer *buffer);
void buffer_forward_char(struct buffer *buffer);
void buffer_backward_line(struct buffer *buffer);
void buffer_forward_line(struct buffer *buffer);
void buffer_end_of_line(struct buffer *buffer);
void buffer_beginning_of_line(struct buffer *buffer);
void buffer_newline(struct buffer *buffer);
struct buffer buffer_from_file(const char *filename);
int buffer_to_file(struct buffer *buffer);
struct buffer_update buffer_begin_frame(struct buffer *buffer, uint32_t width,
uint32_t height, alloc_fn frame_alloc);
void buffer_end_frame(struct buffer *buffer, struct buffer_update *upd);
static struct command BUFFER_COMMANDS[] = {
{.name = "backward-delete-char", .fn = buffer_backward_delete_char},
{.name = "backward-char", .fn = buffer_backward_char},
{.name = "forward-char", .fn = buffer_forward_char},
{.name = "backward-line", .fn = buffer_backward_line},
{.name = "forward-line", .fn = buffer_forward_line},
{.name = "end-of-line", .fn = buffer_end_of_line},
{.name = "beginning-of-line", .fn = buffer_beginning_of_line},
{.name = "newline", .fn = buffer_newline},
};
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