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properties: support properties from json object sting

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Make pw_properties_new_string() work with a json object string.
This makes it possible to specify property strings as more complex
objects and escape characters.
This commit is contained in:
Wim Taymans 2020-11-28 20:25:39 +01:00
parent 62cdec8448
commit 6e4c138238
3 changed files with 96 additions and 20 deletions
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17
spa/include/spa/utils/json.h
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@ -33,7 +33,9 @@ extern "C" {
#include <stddef.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <spa/utils/defs.h>
/* a simple JSON compatible tokenizer */
struct spa_json {
@ -169,6 +171,20 @@ static inline int spa_json_enter_container(struct spa_json *iter, struct spa_jso
return 1;
}
static inline int spa_json_is_container(const char *val, int len)
{
return len > 0 && (*val == '{' || *val == '[');
}
static inline int spa_json_container_len(struct spa_json *iter, const char *value, int len)
{
const char *val;
struct spa_json sub;
spa_json_enter(iter, &sub);
while (spa_json_next(&sub, &val) > 0);
return sub.cur + 1 - value;
}
/* object */
static inline int spa_json_is_object(const char *val, int len)
{
@ -321,6 +337,7 @@ static inline int spa_json_encode_string(char *str, int size, const char *val)
}
__PUT('"');
__PUT('\0');
#undef __PUT
return len-1;
}