/* Convert cells into a string. */
char *
grid_view_string_cells(struct grid *gd, u_int px, u_int py, u_int nx)
{
px = grid_view_x(gd, px);
py = grid_view_y(gd, py);
return (grid_string_cells(gd, px, py, nx, NULL, 0, 0, 0));
}
/* Convert cells into a string. */
char *
grid_view_string_cells(struct grid *gd, u_int px, u_int py, u_int nx)
{
GRID_DEBUG(gd, "px=%u, py=%u, nx=%u", px, py, nx);
px = grid_view_x(gd, px);
py = grid_view_y(gd, py);
return (grid_string_cells(gd, px, py, nx));
}
static char *
cmd_capture_pane_history(struct args *args, struct cmd_q *cmdq,
struct window_pane *wp, size_t *len)
{
struct grid *gd;
const struct grid_line *gl;
struct grid_cell *gc = NULL;
int n, with_codes, escape_c0, join_lines;
u_int i, sx, top, bottom, tmp;
char *cause, *buf, *line;
const char *Sflag, *Eflag;
size_t linelen;
sx = screen_size_x(&wp->base);
if (args_has(args, 'a')) {
gd = wp->saved_grid;
if (gd == NULL) {
if (!args_has(args, 'q')) {
cmdq_error(cmdq, "no alternate screen");
return (NULL);
}
return (xstrdup(""));
}
} else
gd = wp->base.grid;
Sflag = args_get(args, 'S');
if (Sflag != NULL && strcmp(Sflag, "-") == 0)
top = 0;
else {
n = args_strtonum(args, 'S', INT_MIN, SHRT_MAX, &cause);
if (cause != NULL) {
top = gd->hsize;
free(cause);
} else if (n < 0 && (u_int) -n > gd->hsize)
top = 0;
else
top = gd->hsize + n;
if (top > gd->hsize + gd->sy - 1)
top = gd->hsize + gd->sy - 1;
}
Eflag = args_get(args, 'E');
if (Eflag != NULL && strcmp(Eflag, "-") == 0)
bottom = gd->hsize + gd->sy - 1;
else {
n = args_strtonum(args, 'E', INT_MIN, SHRT_MAX, &cause);
if (cause != NULL) {
bottom = gd->hsize + gd->sy - 1;
free(cause);
} else if (n < 0 && (u_int) -n > gd->hsize)
bottom = 0;
else
bottom = gd->hsize + n;
if (bottom > gd->hsize + gd->sy - 1)
bottom = gd->hsize + gd->sy - 1;
}
if (bottom < top) {
tmp = bottom;
bottom = top;
top = tmp;
}
with_codes = args_has(args, 'e');
escape_c0 = args_has(args, 'C');
join_lines = args_has(args, 'J');
buf = NULL;
for (i = top; i <= bottom; i++) {
line = grid_string_cells(gd, 0, i, sx, &gc, with_codes,
escape_c0, !join_lines);
linelen = strlen(line);
buf = cmd_capture_pane_append(buf, len, line, linelen);
gl = grid_peek_line(gd, i);
if (!join_lines || !(gl->flags & GRID_LINE_WRAPPED))
buf[(*len)++] = '\n';
free(line);
}
return (buf);
}
int
cmd_capture_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
struct window_pane *wp;
char *buf, *line, *cause;
struct screen *s;
struct grid *gd;
int buffer, n;
u_int i, limit, top, bottom, tmp;
size_t len, linelen;
if (cmd_find_pane(ctx, args_get(args, 't'), NULL, &wp) == NULL)
return (-1);
s = &wp->base;
gd = s->grid;
buf = NULL;
len = 0;
n = args_strtonum(args, 'S', SHRT_MIN, SHRT_MAX, &cause);
if (cause != NULL) {
top = gd->hsize;
xfree(cause);
} else if (n < 0 && (u_int) -n > gd->hsize)
top = 0;
else
top = gd->hsize + n;
if (top > gd->hsize + gd->sy - 1)
top = gd->hsize + gd->sy - 1;
n = args_strtonum(args, 'E', SHRT_MIN, SHRT_MAX, &cause);
if (cause != NULL) {
bottom = gd->hsize + gd->sy - 1;
xfree(cause);
} else if (n < 0 && (u_int) -n > gd->hsize)
bottom = 0;
else
bottom = gd->hsize + n;
if (bottom > gd->hsize + gd->sy - 1)
bottom = gd->hsize + gd->sy - 1;
if (bottom < top) {
tmp = bottom;
bottom = top;
top = tmp;
}
for (i = top; i <= bottom; i++) {
line = grid_string_cells(s->grid, 0, i, screen_size_x(s));
linelen = strlen(line);
buf = xrealloc(buf, 1, len + linelen + 1);
memcpy(buf + len, line, linelen);
len += linelen;
buf[len++] = '\n';
xfree(line);
}
limit = options_get_number(&global_options, "buffer-limit");
if (!args_has(args, 'b')) {
paste_add(&global_buffers, buf, len, limit);
return (0);
}
buffer = args_strtonum(args, 'b', 0, INT_MAX, &cause);
if (cause != NULL) {
ctx->error(ctx, "buffer %s", cause);
xfree(cause);
return (-1);
}
if (paste_replace(&global_buffers, buffer, buf, len) != 0) {
ctx->error(ctx, "no buffer %d", buffer);
xfree(buf);
return (-1);
}
return (0);
}