25 #ifndef SPA_UTILS_JSON_H
26 #define SPA_UTILS_JSON_H
61 #define SPA_JSON_INIT(data,size) (struct spa_json) { (data), (data)+(size), }
67 #define SPA_JSON_ENTER(iter) (struct spa_json) { (iter)->cur, (iter)->end, (iter), }
74 #define SPA_JSON_SAVE(iter) (struct spa_json) { (iter)->cur, (iter)->end, }
81 enum { __NONE, __STRUCT, __BARE, __STRING, __UTF8, __ESC, __COMMENT };
84 for (; iter->
cur < iter->
end; iter->
cur++) {
85 unsigned char cur = (
unsigned char)*iter->
cur;
87 switch (iter->
state) {
89 iter->
state = __STRUCT;
94 case '\0':
case '\t':
case ' ':
case '\r':
case '\n':
case ':':
case '=':
case ',':
97 iter->
state = __COMMENT;
101 iter->
state = __STRING;
105 if (++iter->
depth > 1)
110 if (iter->
depth == 0) {
119 iter->
state = __BARE;
124 case '\t':
case ' ':
case '\r':
case '\n':
125 case ':':
case ',':
case '=':
case ']':
case '}':
126 iter->
state = __STRUCT;
129 return iter->
cur - *value;
138 iter->
state = __STRUCT;
141 return ++iter->
cur - *value;
150 iter->
state = __UTF8;
153 if (
cur >= 32 &&
cur <= 126)
160 if (--utf8_remain == 0)
161 iter->
state = __STRING;
167 case '"':
case '\\':
case '/':
case 'b':
case 'f':
168 case 'n':
case 'r':
case 't':
case 'u':
169 iter->
state = __STRING;
175 case '\n':
case '\r':
176 iter->
state = __STRUCT;
181 if (iter->
depth != 0)
183 if (iter->
state != __STRUCT) {
184 iter->
state = __STRUCT;
185 return iter->
cur - *value;
201 return len > 0 && (*val ==
'{' || *val ==
'[');
210 return sub.
cur + 1 - value;
216 return len > 0 && *val ==
'{';
226 return len > 0 && *val ==
'[';
236 return len == 4 && strncmp(val,
"null", 4) == 0;
244 return len > 0 &&
end == val + len;
266 else if (val == -INFINITY)
278 *result = strtol(val, &
end, 0);
279 return len > 0 &&
end == val + len;
298 return len == 4 && strncmp(val,
"true", 4) == 0;
303 return len == 5 && strncmp(val,
"false", 5) == 0;
331 return len > 1 && *val ==
'"';
341 strncpy(result, val, len);
344 for (p = val+1; p < val + len; p++) {
357 else if (*p ==
'u') {
359 uint16_t v = strtol(p+1, &
end, 16);
365 *result++ = (v >> 8) & 0xff;
366 *result++ = v & 0xff;
370 }
else if (*p ==
'\"') {
397 static const char hex[] = {
"0123456789abcdef" };
398 #define __PUT(c) { if (len < size) *str++ = c; len++; }
422 if (*val > 0 && *val < 0x20) {
425 __PUT(hex[((*val)>>4)&0xf]);
__PUT(hex[(*val)&0xf]);
static int spa_json_container_len(struct spa_json *iter, const char *value, int len)
Definition: json.h:212
static bool spa_json_is_string(const char *val, int len)
Definition: json.h:337
static bool spa_json_is_float(const char *val, int len)
Definition: json.h:255
static int spa_json_parse_float(const char *val, int len, float *result)
Definition: json.h:248
static bool spa_json_is_true(const char *val, int len)
Definition: json.h:304
static int spa_json_parse_stringn(const char *val, int len, char *result, int maxlen)
Definition: json.h:342
static int spa_json_enter_container(struct spa_json *iter, struct spa_json *sub, char type)
Definition: json.h:198
static void spa_json_enter(struct spa_json *iter, struct spa_json *sub)
Definition: json.h:76
static bool spa_json_is_false(const char *val, int len)
Definition: json.h:309
static int spa_json_get_int(struct spa_json *iter, int *res)
Definition: json.h:294
static int spa_json_parse_bool(const char *val, int len, bool *result)
Definition: json.h:319
static int spa_json_enter_object(struct spa_json *iter, struct spa_json *sub)
Definition: json.h:226
static int spa_json_get_string(struct spa_json *iter, char *res, int maxlen)
Definition: json.h:393
static bool spa_json_is_bool(const char *val, int len)
Definition: json.h:314
#define SPA_JSON_INIT(data, size)
Definition: json.h:67
static bool spa_json_is_array(const char *val, int len)
Definition: json.h:232
static int spa_json_get_bool(struct spa_json *iter, bool *res)
Definition: json.h:327
static bool spa_json_is_null(const char *val, int len)
Definition: json.h:242
#define SPA_JSON_ENTER(iter)
Definition: json.h:74
static int spa_json_encode_string(char *str, int size, const char *val)
Definition: json.h:402
static char * spa_json_format_float(char *str, int size, float val)
Definition: json.h:269
static int spa_json_parse_int(const char *val, int len, int *result)
Definition: json.h:283
static int spa_json_next(struct spa_json *iter, const char **value)
Get the next token.
Definition: json.h:86
static int spa_json_is_container(const char *val, int len)
Definition: json.h:207
static void spa_json_init(struct spa_json *iter, const char *data, size_t size)
Definition: json.h:69
static bool spa_json_is_int(const char *val, int len)
Definition: json.h:289
static int spa_json_enter_array(struct spa_json *iter, struct spa_json *sub)
Definition: json.h:236
static int spa_json_get_float(struct spa_json *iter, float *res)
Definition: json.h:260
static int spa_json_is_object(const char *val, int len)
Definition: json.h:222
static int spa_json_parse_string(const char *val, int len, char *result)
Definition: json.h:388
static float spa_strtof(const char *str, char **endptr)
Convert str to a float in the C locale.
Definition: string.h:281
static char * spa_dtoa(char *str, size_t size, double val)
Definition: string.h:362
#define SPA_UNLIKELY(x)
Definition: defs.h:315
#define SPA_FALLTHROUGH
SPA_FALLTHROUGH is an annotation to suppress compiler warnings about switch cases that fall through w...
Definition: defs.h:76
uint32_t depth
Definition: json.h:63
const char * cur
Definition: json.h:59
uint32_t state
Definition: json.h:62
const char * end
Definition: json.h:60
struct spa_json * parent
Definition: json.h:61