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Add send-keys -K to handle keys directly as if typed (so look up in key

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table). GitHub issue 3361.
This commit is contained in:
nicm
2022-12-16 08:13:40 +00:00
parent 7e497c7f23
commit 3b3f42053a
5 changed files with 163 additions and 92 deletions
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203
arguments.c
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@ -37,6 +37,10 @@ struct args_entry {
u_char flag;
struct args_values values;
u_int count;
int flags;
#define ARGS_ENTRY_OPTIONAL_VALUE 0x1
RB_ENTRY(args_entry) entry;
};
@ -122,6 +126,101 @@ args_create(void)
return (args);
}
/* Parse a single flag. */
static int
args_parse_flag_argument(struct args_value *values, u_int count, char **cause,
struct args *args, u_int *i, const char *string, int flag,
int optional_argument)
{
struct args_value *argument, *new;
const char *s;
new = xcalloc(1, sizeof *new);
if (*string != '\0') {
new->type = ARGS_STRING;
new->string = xstrdup(string);
goto out;
}
if (*i == count)
argument = NULL;
else {
argument = &values[*i];
if (argument->type != ARGS_STRING) {
xasprintf(cause, "-%c argument must be a string", flag);
return (-1);
}
if (argument->string[0] == '-')
argument = NULL;
}
if (argument == NULL) {
if (optional_argument) {
log_debug("%s: -%c (optional)", __func__, flag);
args_set(args, flag, NULL, ARGS_ENTRY_OPTIONAL_VALUE);
return (0); /* either - or end */
}
xasprintf(cause, "-%c expects an argument", flag);
return (-1);
}
args_copy_value(new, argument);
(*i)++;
out:
s = args_value_as_string(new);
log_debug("%s: -%c = %s", __func__, flag, s);
args_set(args, flag, new, 0);
return (0);
}
/* Parse flags argument. */
static int
args_parse_flags(const struct args_parse *parse, struct args_value *values,
u_int count, char **cause, struct args *args, int *i)
{
struct args_value *value;
u_char flag;
const char *found, *string;
int optional_argument;
value = &values[*i];
if (value->type != ARGS_STRING)
return (1);
string = value->string;
log_debug("%s: next %s", __func__, string);
if (*string++ != '-' || *string == '\0')
return (1);
(*i)++;
if (string[0] == '-' && string[1] == '\0')
return (1);
for (;;) {
flag = *string++;
if (flag == '\0')
return (0);
if (flag == '?')
return (-1);
if (!isalnum(flag)) {
xasprintf(cause, "invalid flag -%c", flag);
return (-1);
}
found = strchr(parse->template, flag);
if (found == NULL) {
xasprintf(cause, "unknown flag -%c", flag);
return (-1);
}
if (*++found != ':') {
log_debug("%s: -%c", __func__, flag);
args_set(args, flag, NULL, 0);
continue;
}
optional_argument = (*found == ':');
return (args_parse_flag_argument(values, count, cause, args, i,
string, flag, optional_argument));
}
}
/* Parse arguments into a new argument set. */
struct args *
args_parse(const struct args_parse *parse, struct args_value *values,
@ -131,86 +230,21 @@ args_parse(const struct args_parse *parse, struct args_value *values,
u_int i;
enum args_parse_type type;
struct args_value *value, *new;
u_char flag;
const char *found, *string, *s;
int optional_argument;
const char *s;
int stop;
if (count == 0)
return (args_create());
args = args_create();
for (i = 1; i < count; /* nothing */) {
value = &values[i];
if (value->type != ARGS_STRING)
break;
string = value->string;
if (*string++ != '-' || *string == '\0')
break;
i++;
if (string[0] == '-' && string[1] == '\0')
break;
for (;;) {
flag = *string++;
if (flag == '\0')
break;
if (flag == '?') {
args_free(args);
return (NULL);
}
if (!isalnum(flag)) {
xasprintf(cause, "invalid flag -%c", flag);
args_free(args);
return (NULL);
}
found = strchr(parse->template, flag);
if (found == NULL) {
xasprintf(cause, "unknown flag -%c", flag);
args_free(args);
return (NULL);
}
if (*++found != ':') {
log_debug("%s: -%c", __func__, flag);
args_set(args, flag, NULL);
continue;
}
if (*found == ':') {
optional_argument = 1;
found++;
}
new = xcalloc(1, sizeof *new);
if (*string != '\0') {
new->type = ARGS_STRING;
new->string = xstrdup(string);
} else {
if (i == count) {
if (optional_argument) {
log_debug("%s: -%c", __func__,
flag);
args_set(args, flag, NULL);
continue;
}
xasprintf(cause,
"-%c expects an argument",
flag);
args_free(args);
return (NULL);
}
if (values[i].type != ARGS_STRING) {
xasprintf(cause,
"-%c argument must be a string",
flag);
args_free(args);
return (NULL);
}
args_copy_value(new, &values[i++]);
}
s = args_value_as_string(new);
log_debug("%s: -%c = %s", __func__, flag, s);
args_set(args, flag, new);
break;
stop = args_parse_flags(parse, values, count, cause, args, &i);
if (stop == -1) {
args_free(args);
return (NULL);
}
if (stop == 1)
break;
}
log_debug("%s: flags end at %u of %u", __func__, i, count);
if (i != count) {
@ -323,13 +357,13 @@ args_copy(struct args *args, int argc, char **argv)
RB_FOREACH(entry, args_tree, &args->tree) {
if (TAILQ_EMPTY(&entry->values)) {
for (i = 0; i < entry->count; i++)
args_set(new_args, entry->flag, NULL);
args_set(new_args, entry->flag, NULL, 0);
continue;
}
TAILQ_FOREACH(value, &entry->values, entry) {
new_value = xcalloc(1, sizeof *new_value);
args_copy_copy_value(new_value, value, argc, argv);
args_set(new_args, entry->flag, new_value);
args_set(new_args, entry->flag, new_value, 0);
}
}
if (args->count == 0)
@ -487,6 +521,7 @@ args_print(struct args *args)
char *buf;
u_int i, j;
struct args_entry *entry;
struct args_entry *last = NULL;
struct args_value *value;
len = 1;
@ -494,6 +529,8 @@ args_print(struct args *args)
/* Process the flags first. */
RB_FOREACH(entry, args_tree, &args->tree) {
if (entry->flags & ARGS_ENTRY_OPTIONAL_VALUE)
continue;
if (!TAILQ_EMPTY(&entry->values))
continue;
@ -505,6 +542,16 @@ args_print(struct args *args)
/* Then the flags with arguments. */
RB_FOREACH(entry, args_tree, &args->tree) {
if (entry->flags & ARGS_ENTRY_OPTIONAL_VALUE) {
if (*buf != '\0')
args_print_add(&buf, &len, " -%c", entry->flag);
else
args_print_add(&buf, &len, "-%c", entry->flag);
last = entry;
continue;
}
if (TAILQ_EMPTY(&entry->values))
continue;
TAILQ_FOREACH(value, &entry->values, entry) {
if (*buf != '\0')
args_print_add(&buf, &len, " -%c", entry->flag);
@ -512,7 +559,10 @@ args_print(struct args *args)
args_print_add(&buf, &len, "-%c", entry->flag);
args_print_add_value(&buf, &len, value);
}
last = entry;
}
if (last && (last->flags & ARGS_ENTRY_OPTIONAL_VALUE))
args_print_add(&buf, &len, " --");
/* And finally the argument vector. */
for (i = 0; i < args->count; i++)
@ -582,7 +632,7 @@ args_has(struct args *args, u_char flag)
/* Set argument value in the arguments tree. */
void
args_set(struct args *args, u_char flag, struct args_value *value)
args_set(struct args *args, u_char flag, struct args_value *value, int flags)
{
struct args_entry *entry;
@ -591,6 +641,7 @@ args_set(struct args *args, u_char flag, struct args_value *value)
entry = xcalloc(1, sizeof *entry);
entry->flag = flag;
entry->count = 1;
entry->flags = flags;
TAILQ_INIT(&entry->values);
RB_INSERT(args_tree, &args->tree, entry);
} else