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pw-dump: add -i and -s options

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-i can be used to configure the indentation (default 2)
-s can be used to output simplified SPA JSON
This commit is contained in:
Wim Taymans 2025-06-17 11:01:28 +02:00
parent 953b0f81ad
commit 58aab3e16b
1 changed files with 50 additions and 10 deletions
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60
src/tools/pw-dump.c
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@ -64,6 +64,9 @@ struct data {
#define STATE_MASK 0xffff0000
#define STATE_SIMPLE (1<<16)
uint32_t state;
const char *comma_char;
const char *keysep_char;
bool simple_string;
unsigned int monitor:1;
};
@ -216,13 +219,25 @@ static void object_destroy(struct object *o)
static void put_key(struct data *d, const char *key);
#define REJECT "\"\\'=:,{}[]()#"
static bool is_simple_string(const char *val)
{
int i;
for (i = 0; val[i]; i++) {
if (val[i] < 0x20 || strchr(REJECT, val[i]) != NULL)
return false;
}
return true;
}
static SPA_PRINTF_FUNC(3,4) void put_fmt(struct data *d, const char *key, const char *fmt, ...)
{
va_list va;
if (key)
put_key(d, key);
fprintf(d->out, "%s%s%*s",
d->state & STATE_COMMA ? "," : "",
d->state & STATE_COMMA ? d->comma_char : "",
d->state & (STATE_MASK | STATE_KEY) ? " " : (d->state & STATE_FIRST) || raw ? "" : "\n",
d->state & (STATE_MASK | STATE_KEY) ? 0 : d->level, "");
va_start(va, fmt);
@ -234,9 +249,13 @@ static SPA_PRINTF_FUNC(3,4) void put_fmt(struct data *d, const char *key, const
static void put_key(struct data *d, const char *key)
{
int size = (strlen(key) + 1) * 4;
char *str = alloca(size);
spa_json_encode_string(str, size, key);
put_fmt(d, NULL, "%s%s%s:", KEY, str, NORMAL);
if (d->simple_string && is_simple_string(key)) {
put_fmt(d, NULL, "%s%s%s%s", KEY, key, NORMAL, d->keysep_char);
} else {
char *str = alloca(size);
spa_json_encode_string(str, size, key);
put_fmt(d, NULL, "%s%s%s%s", KEY, str, NORMAL, d->keysep_char);
}
d->state = (d->state & STATE_MASK) + STATE_KEY;
}
@ -262,9 +281,13 @@ static void put_encoded_string(struct data *d, const char *key, const char *val)
static void put_string(struct data *d, const char *key, const char *val)
{
int size = (strlen(val) + 1) * 4;
char *str = alloca(size);
spa_json_encode_string(str, size, val);
put_encoded_string(d, key, str);
if (d->simple_string && is_simple_string(val)) {
put_encoded_string(d, key, val);
} else {
char *str = alloca(size);
spa_json_encode_string(str, size, val);
put_encoded_string(d, key, str);
}
}
static void put_literal(struct data *d, const char *key, const char *val)
@ -1515,7 +1538,9 @@ static void show_help(struct data *data, const char *name, bool error)
" -m, --monitor monitor changes\n"
" -N, --no-colors disable color output\n"
" -C, --color[=WHEN] whether to enable color support. WHEN is `never`, `always`, or `auto`\n"
" -R, --raw force raw output\n",
" -R, --raw force raw output\n"
" -i, --indent indentation amount (default 2)\n"
" -s, --spa SPA JSON output\n",
name);
}
@ -1533,6 +1558,8 @@ int main(int argc, char *argv[])
{ "no-colors", no_argument, NULL, 'N' },
{ "color", optional_argument, NULL, 'C' },
{ "raw", no_argument, NULL, 'R' },
{ "indent", required_argument, NULL, 'i' },
{ "spa", no_argument, NULL, 's' },
{ NULL, 0, NULL, 0}
};
int c;
@ -1545,7 +1572,11 @@ int main(int argc, char *argv[])
colors = true;
setlinebuf(data.out);
while ((c = getopt_long(argc, argv, "hVr:mNCR", long_options, NULL)) != -1) {
data.comma_char = ",";
data.keysep_char = ":";
data.indent = INDENT;
while ((c = getopt_long(argc, argv, "hVr:mNCRi:s", long_options, NULL)) != -1) {
switch (c) {
case 'h' :
show_help(&data, argv[0], false);
@ -1584,12 +1615,21 @@ int main(int argc, char *argv[])
return -1;
}
break;
case 'i' :
data.indent = atoi(optarg);
break;
case 's' :
data.comma_char = "";
data.keysep_char = " =";
data.simple_string = true;
break;
default:
show_help(&data, argv[0], true);
return -1;
}
}
data.indent = raw ? 0 : INDENT;
if (raw)
data.indent = 0;
if (optind < argc)
data.pattern = argv[optind++];