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tools: make some things configurable

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Things like indentation and simplified spa layout are behind an if 0
but wil some option parsing this could be improved.
This commit is contained in:
Wim Taymans 2025-06-12 17:16:27 +02:00
parent 4c1be71773
commit fa8208eeef
1 changed files with 55 additions and 14 deletions
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69
spa/tools/spa-json-dump.c
View file

@ -16,9 +16,34 @@
#include <spa/utils/json.h>
#include <spa/debug/file.h>
static void encode_string(FILE *f, const char *val, int len)
#define REJECT "\"\\'=:,{}[]()#"
struct data {
FILE *file;
int indent;
bool simple_string;
const char *comma;
const char *key_sep;
};
static bool is_simple_string(const char *val, int len)
{
int i;
for (i = 0; i < len; i++) {
if (val[i] < 0x20 || strchr(REJECT, val[i]) != NULL)
return false;
}
return true;
}
static void encode_string(struct data *d, const char *val, int len)
{
FILE *f = d->file;
int i;
if (d->simple_string && is_simple_string(val, len)) {
fprintf(f, "%.*s", len, val);
return;
}
fprintf(f, "\"");
for (i = 0; i < len; i++) {
char v = val[i];
@ -52,8 +77,9 @@ static void encode_string(FILE *f, const char *val, int len)
fprintf(f, "\"");
}
static int dump(FILE *file, int indent, struct spa_json *it, const char *value, int len)
static int dump(struct data *d, int indent, struct spa_json *it, const char *value, int len)
{
FILE *file = d->file;
struct spa_json sub;
bool toplevel = false;
int count = 0, res;
@ -69,9 +95,9 @@ static int dump(FILE *file, int indent, struct spa_json *it, const char *value,
fprintf(file, "[");
spa_json_enter(it, &sub);
while ((len = spa_json_next(&sub, &value)) > 0) {
fprintf(file, "%s\n%*s", count++ > 0 ? "," : "",
indent+2, "");
if ((res = dump(file, indent+2, &sub, value, len)) < 0)
fprintf(file, "%s\n%*s", count++ > 0 ? d->comma : "",
indent+d->indent, "");
if ((res = dump(d, indent+d->indent, &sub, value, len)) < 0)
return res;
}
fprintf(file, "%s%*s]", count > 0 ? "\n" : "",
@ -84,11 +110,11 @@ static int dump(FILE *file, int indent, struct spa_json *it, const char *value,
sub = *it;
while ((len = spa_json_object_next(&sub, key, sizeof(key), &value)) > 0) {
fprintf(file, "%s\n%*s",
count++ > 0 ? "," : "",
indent+2, "");
encode_string(file, key, strlen(key));
fprintf(file, ": ");
res = dump(file, indent+2, &sub, value, len);
count++ > 0 ? d->comma : "",
indent+d->indent, "");
encode_string(d, key, strlen(key));
fprintf(file, "%s ", d->key_sep);
res = dump(d, indent+d->indent, &sub, value, len);
if (res < 0) {
if (toplevel)
*it = sub;
@ -106,7 +132,7 @@ static int dump(FILE *file, int indent, struct spa_json *it, const char *value,
spa_json_is_float(value, len)) {
fprintf(file, "%.*s", len, value);
} else {
encode_string(file, value, len);
encode_string(d, value, len);
}
if (spa_json_get_error(it, NULL, NULL))
@ -117,10 +143,12 @@ static int dump(FILE *file, int indent, struct spa_json *it, const char *value,
static int process_json(const char *filename, void *buf, size_t size)
{
struct data d;
int len, res;
struct spa_json it;
const char *value;
spa_zero(d);
if ((len = spa_json_begin(&it, buf, size, &value)) <= 0) {
fprintf(stderr, "not a valid file '%s': %s\n", filename, spa_strerror(len));
return -EINVAL;
@ -130,12 +158,25 @@ static int process_json(const char *filename, void *buf, size_t size)
value = NULL;
len = 0;
}
res = dump(stdout, 0, &it, value, len);
d.file = stdout;
#if 1
d.simple_string = false;
d.comma = ",";
d.key_sep = ":";
d.indent = 2;
#else
d.simple_string = true;
d.comma = "";
d.key_sep = " =";
d.indent = 4;
#endif
res = dump(&d, 0, &it, value, len);
if (spa_json_next(&it, &value) < 0)
res = -EINVAL;
fprintf(stdout, "\n");
fflush(stdout);
fprintf(d.file, "\n");
fflush(d.file);
if (res < 0) {
struct spa_error_location loc;