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Add -C and -J to capture pane to escape control sequences and to join

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wrapped line, based on a diff from George Nachman.
This commit is contained in:
Nicholas Marriott
2013-03-22 15:56:11 +00:00
parent c519f9a84c
commit 295d86911e
3 changed files with 250 additions and 20 deletions
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40
cmd-capture-pane.c
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@@ -31,8 +31,8 @@ enum cmd_retval cmd_capture_pane_exec(struct cmd *, struct cmd_ctx *);
const struct cmd_entry cmd_capture_pane_entry = {
"capture-pane", "capturep",
"b:E:pS:t:", 0, 0,
"[-p] [-b buffer-index] [-E end-line] [-S start-line]"
"b:CeE:JpS:t:", 0, 0,
"[-CeJp] [-b buffer-index] [-E end-line] [-S start-line]"
CMD_TARGET_PANE_USAGE,
0,
NULL,
@@ -44,14 +44,16 @@ enum cmd_retval
cmd_capture_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
struct client *c = ctx->cmdclient;
struct client *c;
struct window_pane *wp;
char *buf, *line, *cause;
char *buf, *line, *cause;
struct screen *s;
struct grid *gd;
int buffer, n;
int buffer, n, with_codes, escape_c0, join_lines;
u_int i, limit, top, bottom, tmp;
size_t len, linelen;
size_t len, linelen;
struct grid_cell *gc;
const struct grid_line *gl;
if (cmd_find_pane(ctx, args_get(args, 't'), NULL, &wp) == NULL)
return (CMD_RETURN_ERROR);
@@ -89,19 +91,31 @@ cmd_capture_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
top = tmp;
}
with_codes = args_has(args, 'e');
escape_c0 = args_has(args, 'C');
join_lines = args_has(args, 'J');
gc = NULL;
for (i = top; i <= bottom; i++) {
line = grid_string_cells(s->grid, 0, i, screen_size_x(s));
linelen = strlen(line);
line = grid_string_cells(s->grid, 0, i, screen_size_x(s),
&gc, with_codes, escape_c0);
linelen = strlen(line);
buf = xrealloc(buf, 1, len + linelen + 1);
memcpy(buf + len, line, linelen);
len += linelen;
buf[len++] = '\n';
buf = xrealloc(buf, 1, len + linelen + 1);
memcpy(buf + len, line, linelen);
len += linelen;
free(line);
gl = grid_peek_line(s->grid, i);
if (!join_lines || !(gl->flags & GRID_LINE_WRAPPED))
buf[len++] = '\n';
free(line);
}
if (args_has(args, 'p')) {
c = ctx->curclient;
if (c == NULL || !(c->flags & CLIENT_CONTROL))
c = ctx->cmdclient;
if (c == NULL) {
ctx->error(ctx, "can't write to stdout");
return (CMD_RETURN_ERROR);