CE edit command
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This commit is contained in:
2026-03-05 16:29:59 +01:00
parent a5f5dbf21f
commit 25b289ccfb
11 changed files with 316 additions and 30 deletions

50
ce/ce.c
View File

@@ -7,6 +7,7 @@
#include "strbuf.h"
#include <arena.h>
#include <kb.h>
#include <liballoc.h>
#include <list.h>
#include <printf.h>
#include <stdbool.h>
@@ -17,9 +18,35 @@
#include <tcursor.h>
#include <tscreen.h>
#define LINE_INIT_MAX 40
#define LINE_TAIL_BATCH_MAX 1024
#define PROMPT "$ "
#define LINE_INIT_MAX 40
#define PROMPT "$ "
void* wmalloc (void* ctx, size_t size) {
(void)ctx;
return malloc (size);
}
void* wrealloc (void* ctx, void* mem, size_t old, size_t new) {
(void)ctx, (void)old;
return realloc (mem, new);
}
void wfree (void* ctx, void* mem) {
(void)ctx;
free (mem);
}
void* warena_malloc (void* ctx, size_t size) {
struct arena* a = ctx;
return arena_malloc (a, size);
}
void* warena_realloc (void* ctx, void* mem, size_t old, size_t new) {
struct arena* a = ctx;
return arena_realloc (a, mem, old, new);
}
void warena_free (void* ctx, void* mem) { (void)ctx, (void)mem; }
struct edit_line {
struct gapbuffer gb;
@@ -44,7 +71,7 @@ void app_main (void) {
const char* render = NULL;
while (interp_is_running ()) {
gapbuffer_init (&edit_line.gb, LINE_INIT_MAX);
gapbuffer_init (&warena_malloc, &arena, &edit_line.gb, LINE_INIT_MAX);
edit_line.cursor = 0;
mprintf (PROMPT);
@@ -66,7 +93,8 @@ void app_main (void) {
mprintf (ANSIQ_CUR_LEFT (1));
char* tail = gapbuffer_string_at (&edit_line.gb, edit_line.cursor);
char* tail =
gapbuffer_string_at (&warena_malloc, &arena, &edit_line.gb, edit_line.cursor);
mprintf ("%s" ANSIQ_SCR_CLR2LEND, tail);
int move_back = strlen (tail);
@@ -78,7 +106,8 @@ void app_main (void) {
if (edit_line.cursor < gapbuffer_length (&edit_line.gb)) {
edit_line.gb.gap_end++;
char* tail = gapbuffer_string_at (&edit_line.gb, edit_line.cursor);
char* tail =
gapbuffer_string_at (&warena_malloc, &arena, &edit_line.gb, edit_line.cursor);
mprintf ("%s" ANSIQ_SCR_CLR2LEND, tail);
int move_back = strlen (tail);
@@ -100,13 +129,14 @@ void app_main (void) {
break;
default:
if (isprint (ch)) {
gapbuffer_insert (&edit_line.gb, ch);
gapbuffer_insert (&warena_realloc, &arena, &edit_line.gb, ch);
edit_line.cursor++;
if (edit_line.cursor == gapbuffer_length (&edit_line.gb)) {
mprintf ("%c", ch);
} else {
char* tail = gapbuffer_string_at (&edit_line.gb, edit_line.cursor - 1);
char* tail =
gapbuffer_string_at (&warena_malloc, &arena, &edit_line.gb, edit_line.cursor - 1);
size_t move_back = strlen (tail) - 1;
mprintf ("%s" ANSIQ_DYN_CUR_LEFT, tail, move_back);
}
@@ -117,12 +147,12 @@ void app_main (void) {
mprintf ("\n");
render = gapbuffer_get_string (&edit_line.gb);
render = gapbuffer_get_string (&warena_malloc, &arena, &edit_line.gb);
if (render != NULL)
exec_line (render);
gapbuffer_fini (&edit_line.gb);
gapbuffer_fini (&warena_free, &arena, &edit_line.gb);
arena_reset (&arena);
}