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Detect trailing commas and colons inside arrays and hashes.

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This commit is contained in:
Eric Fischer 2014-02-06 12:19:33 -08:00
parent 42283ece0b
commit 948584126a
1 changed files with 13 additions and 7 deletions
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20
jsonpull.c
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@ -103,7 +103,7 @@ static void string_free(struct string *s) {
}
json_object *json_parse(FILE *f, json_object *current, char **error) {
int current_is_container = 0;
int current_is = 0;
int c;
again:
c = getc(f);
@ -129,7 +129,7 @@ again:
if (c == '[') {
current = add_object(JSON_ARRAY, current, error);
current_is_container = 1;
current_is = '[';
goto again;
} else if (c == ']') {
if (current == NULL) {
@ -137,8 +137,11 @@ again:
return NULL;
}
if (current_is_container) { // Empty array
if (current_is == '[') { // Empty array
return current;
} else if (current_is) {
*error = "Found ] without final element";
return NULL;
}
if (current->parent == NULL || current->parent->type != JSON_ARRAY) {
@ -153,7 +156,7 @@ again:
if (c == '{') {
current = add_object(JSON_HASH, current, error);
current_is_container = 1;
current_is = '{';
goto again;
} else if (c == '}') {
if (current == NULL) {
@ -161,8 +164,11 @@ again:
return NULL;
}
if (current_is_container) { // Empty hash
if (current_is == '{') { // Empty hash
return current;
} else if (current_is) {
*error = "Found } without final element";
return NULL;
}
if (current->parent == NULL || current->parent->type != JSON_HASH) {
@ -224,7 +230,7 @@ again:
}
current = current->parent;
current_is_container = 1;
current_is = ',';
goto again;
}
@ -246,7 +252,7 @@ again:
}
current = current->parent;
current_is_container = 1;
current_is = ':';
goto again;
}