more json tests

This commit is contained in:
Wim Taymans 2017-09-20 13:06:52 +02:00
parent ac382c052a
commit 86c8955c3a

View file

@ -112,8 +112,68 @@ spa_json_iter_init (struct spa_json_iter *iter, const char *data, size_t size)
iter->state = NONE;
}
struct spa_json_chunk {
const char *value;
int len;
};
enum spa_json_type {
SPA_JSON_TYPE_INVALID,
SPA_JSON_TYPE_ARRAY,
SPA_JSON_TYPE_OBJECT,
SPA_JSON_TYPE_STRING,
SPA_JSON_TYPE_NUMBER,
SPA_JSON_TYPE_BOOL,
SPA_JSON_TYPE_NULL,
};
static inline enum spa_json_type spa_json_chunk_get_type(struct spa_json_chunk *chunk)
{
switch (chunk->value[0]) {
case '[':
return SPA_JSON_TYPE_ARRAY;
case '{':
return SPA_JSON_TYPE_OBJECT;
case '"':
return SPA_JSON_TYPE_STRING;
case '-': case '0' ... '9':
return SPA_JSON_TYPE_NUMBER;
case 't': case 'f':
return SPA_JSON_TYPE_BOOL;
case 'n':
return SPA_JSON_TYPE_NULL;
}
return SPA_JSON_TYPE_INVALID;
}
static inline bool spa_json_chunk_is_object(struct spa_json_chunk *chunk) {
return chunk->value[0] == '{';
}
static inline bool spa_json_chunk_is_array(struct spa_json_chunk *chunk) {
return chunk->value[0] == '[';
}
static inline bool spa_json_chunk_is_string(struct spa_json_chunk *chunk) {
return chunk->value[0] == '"';
}
static inline bool spa_json_chunk_is_number(struct spa_json_chunk *chunk) {
return (chunk->value[0] >= '0' && chunk->value[0] <= '9') ||
chunk->value[0] == '-' ;
}
static inline bool spa_json_chunk_is_bool(struct spa_json_chunk *chunk) {
return chunk->value[0] == 't' || chunk->value[0] == 'f';
}
static inline bool spa_json_chunk_is_null(struct spa_json_chunk *chunk) {
return chunk->value[0] == 'n';
}
static int
spa_json_iter_next (struct spa_json_iter *iter, const char **value)
spa_json_iter_value(struct spa_json_iter *iter, struct spa_json_chunk *value)
{
int utf8_remain = 0;
@ -130,29 +190,29 @@ again:
case '\t': case ' ': case '\r': case '\n': case ':': case ',':
continue;
case '"':
*value = iter->cur;
value->value = iter->cur;
iter->state = STRING;
continue;
case '[': case '{':
*value = iter->cur;
value->value = iter->cur;
if (++iter->depth > 1)
continue;
iter->cur++;
return 1;
return value->len = 1;
case '}': case ']':
if (iter->depth == 0) {
if (iter->parent)
iter->parent->cur = iter->cur;
return 0;
return -1;
}
--iter->depth;
continue;
case '-': case 'a' ... 'z': case 'A' ... 'Z': case '0' ... '9':
*value = iter->cur;
value->value = iter->cur;
iter->state = BARE;
continue;
}
return -1;
return -2;
case BARE:
switch (cur) {
case '\t': case ' ': case '\r': case '\n': case ':': case ',':
@ -160,12 +220,12 @@ again:
iter->state = STRUCT;
if (iter->depth > 0)
goto again;
return iter->cur - *value;
return value->len = iter->cur - value->value;
default:
if (cur >= 32 && cur <= 126)
continue;
}
return -1;
return -2;
case STRING:
switch (cur) {
case '\\':
@ -176,7 +236,7 @@ again:
if (iter->depth > 0)
continue;
iter->cur++;
return iter->cur - *value;
return value->len = iter->cur - value->value;
case 240 ... 247:
utf8_remain++;
case 224 ... 239:
@ -189,7 +249,7 @@ again:
if (cur >= 32 && cur <= 126)
continue;
}
return -1;
return -2;
case UTF8:
switch (cur) {
case 128 ... 191:
@ -197,7 +257,7 @@ again:
iter->state = STRING;
continue;
}
return -1;
return -2;
case ESC:
switch (cur) {
case '"': case '\\': case '/': case 'b': case 'f': case 'n': case 'r':
@ -205,77 +265,99 @@ again:
iter->state = STRING;
continue;
}
return -1;
return -2;
}
}
return iter->depth == 0 ? 0 : -1;
return iter->depth == 0 ? -1 : -2;
}
static void
spa_json_iter_enter (struct spa_json_iter *iter, struct spa_json_iter *sub)
static int
spa_json_iter_enter(struct spa_json_iter *iter, struct spa_json_iter *sub)
{
sub->end = iter->end;
sub->parent = iter;
sub->cur = iter->cur;
sub->state = NONE;
return 0;
}
static int
spa_json_iter_enter_array(struct spa_json_iter *iter,
struct spa_json_iter *array)
{
struct spa_json_chunk chunk;
if (spa_json_iter_value(iter, &chunk) < 0) return -1;
if (*chunk.value != '[') return -1;
return spa_json_iter_enter(iter, array);
}
static int
spa_json_iter_enter_object(struct spa_json_iter *iter,
struct spa_json_iter *object)
{
struct spa_json_chunk chunk;
if (spa_json_iter_value(iter, &chunk) < 0) return -1;
if (*chunk.value != '{') return -1;
return spa_json_iter_enter(iter, object);
}
static int
spa_json_iter_string(struct spa_json_iter *iter,
struct spa_json_chunk *str)
{
if (spa_json_iter_value(iter, str) < 0) return -1;
return (*str->value == '"') ? 0 : -1;
}
static int
spa_format_parse(struct spa_json_iter *iter,
struct spa_json_chunk *media_type,
struct spa_json_chunk *media_subtype,
struct spa_json_iter *props)
{
struct spa_json_iter it[2];
struct spa_json_chunk type;
if (spa_json_iter_enter_array(iter, &it[0]) < 0) return -1;
if (spa_json_iter_string(&it[0], &type) < 0) return -1;
if (strncmp(type.value, "\"Format\"", type.len) != 0) return -1;
if (spa_json_iter_enter_array(&it[0], &it[1]) < 0) return -1;
if (spa_json_iter_string(&it[1], media_type) < 0) return -1;
if (spa_json_iter_string(&it[1], media_subtype) < 0) return -1;
return spa_json_iter_enter_object(&it[0], props);
}
static int test_parsing(const char *format)
{
struct spa_json_iter iter[5];
const char *value;
int len;
struct spa_json_chunk media_type, media_subtype, value;
struct spa_json_iter props;
spa_json_iter_init (&iter[0], format, strlen(format));
if ((len = spa_json_iter_next(&iter[0], &value)) < 0) return len;
if (*value != '[') return -1;
spa_json_iter_enter(&iter[0], &iter[1]);
if (spa_format_parse(&iter[0], &media_type, &media_subtype, &props) < 0)
return -1;
if ((len = spa_json_iter_next(&iter[1], &value)) < 0) return len;
if (*value != '"') return -1;
printf("Media Type: %.*s\n", media_type.len, media_type.value);
printf("Media SubType: %.*s\n", media_subtype.len, media_subtype.value);
printf("Type: %.*s\n", len, value);
while (spa_json_iter_string(&props, &value) >= 0) {
printf("Key: %.*s\n", value.len, value.value);
if ((len = spa_json_iter_next(&iter[1], &value)) < 0) return len;
if (*value != '[') return -1;
spa_json_iter_enter(&iter[1], &iter[2]);
if (spa_json_iter_enter_array(&props, &iter[1]) < 0) return -1;
if (spa_json_iter_string(&iter[1], &value) < 0) return -1;
printf("flags: %.*s\n", value.len, value.value);
if ((len = spa_json_iter_next(&iter[2], &value)) < 0) return len;
if (*value != '"') return -1;
printf("Media Type: %.*s\n", len, value);
if (spa_json_iter_value(&iter[1], &value) < 0) return -1;
printf("default: %.*s\n", value.len, value.value);
if ((len = spa_json_iter_next(&iter[2], &value)) < 0) return len;
if (*value != '"') return -1;
printf("Media SubType: %.*s\n", len, value);
if ((len = spa_json_iter_next(&iter[1], &value)) < 0) return len;
if (*value != '{') return -1;
spa_json_iter_enter(&iter[1], &iter[2]);
while ((len = spa_json_iter_next(&iter[2], &value)) > 0) {
if (*value != '"') return -1;
printf("Key: %.*s\n", len, value);
if ((len = spa_json_iter_next(&iter[2], &value)) < 0) return len;
if (*value != '[') return -1;
spa_json_iter_enter(&iter[2], &iter[3]);
if ((len = spa_json_iter_next(&iter[3], &value)) < 0) return len;
printf("flags: %.*s\n", len, value);
if ((len = spa_json_iter_next(&iter[3], &value)) < 0) return len;
printf("default: %.*s\n", len, value);
if ((len = spa_json_iter_next(&iter[3], &value)) < 0) return len;
if (*value != '[') return -1;
spa_json_iter_enter(&iter[3], &iter[4]);
while ((len = spa_json_iter_next(&iter[4], &value)) > 0) {
printf("value: %.*s\n", len, value);
if (spa_json_iter_enter_array(&iter[1], &iter[2]) < 0) return -1;
while (spa_json_iter_value(&iter[2], &value) >= 0) {
printf("value: %.*s\n", value.len, value.value);
}
}
return 0;
}