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Code

json: minor style fixes

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This commit is contained in:
Lennart Poettering 2015-05-21 23:30:37 +02:00
parent 85dbc30747
commit dde8bb32b1
5 changed files with 39 additions and 28 deletions
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5
src/import/pull-dkr.c
View File

@ -794,7 +794,7 @@ static void dkr_pull_job_on_finished_v2(PullJob *j) {
} else if (i->tags_job == j) { } else if (i->tags_job == j) {
const char *url; const char *url;
_cleanup_free_ const char *buf; _cleanup_free_ const char *buf;
_cleanup_jsonunref_ JsonVariant *doc = NULL; _cleanup_json_variant_unref_ JsonVariant *doc = NULL;
JsonVariant *e = NULL; JsonVariant *e = NULL;
assert(!i->ancestry_job); assert(!i->ancestry_job);
@ -851,8 +851,7 @@ static void dkr_pull_job_on_finished_v2(PullJob *j) {
} else if (i->ancestry_job == j) { } else if (i->ancestry_job == j) {
_cleanup_jsonunref_ JsonVariant *doc = NULL; _cleanup_json_variant_unref_ JsonVariant *doc = NULL, *compat = NULL;
_cleanup_jsonunref_ JsonVariant *compat = NULL;
JsonVariant *e = NULL; JsonVariant *e = NULL;
_cleanup_strv_free_ char **ancestry = NULL; _cleanup_strv_free_ char **ancestry = NULL;
size_t allocated = 0, size = 0; size_t allocated = 0, size = 0;

33
src/shared/json.c
View File

@ -27,6 +27,7 @@
int json_variant_new(JsonVariant **ret, JsonVariantType type) { int json_variant_new(JsonVariant **ret, JsonVariantType type) {
JsonVariant *v; JsonVariant *v;
v = new0(JsonVariant, 1); v = new0(JsonVariant, 1);
if (!v) if (!v)
return -ENOMEM; return -ENOMEM;
@ -36,6 +37,8 @@ int json_variant_new(JsonVariant **ret, JsonVariantType type) {
} }
static int json_variant_deep_copy(JsonVariant *ret, JsonVariant *variant) { static int json_variant_deep_copy(JsonVariant *ret, JsonVariant *variant) {
int r;
assert(ret); assert(ret);
assert(variant); assert(variant);
@ -47,18 +50,18 @@ static int json_variant_deep_copy(JsonVariant *ret, JsonVariant *variant) {
if (!ret->string) if (!ret->string)
return -ENOMEM; return -ENOMEM;
} else if (variant->type == JSON_VARIANT_ARRAY || variant->type == JSON_VARIANT_OBJECT) { } else if (variant->type == JSON_VARIANT_ARRAY || variant->type == JSON_VARIANT_OBJECT) {
size_t i;
ret->objects = new0(JsonVariant, variant->size); ret->objects = new0(JsonVariant, variant->size);
if (!ret->objects) if (!ret->objects)
return -ENOMEM; return -ENOMEM;
for (unsigned i = 0; i < variant->size; ++i) { for (i = 0; i < variant->size; ++i) {
int r;
r = json_variant_deep_copy(&ret->objects[i], &variant->objects[i]); r = json_variant_deep_copy(&ret->objects[i], &variant->objects[i]);
if (r < 0) if (r < 0)
return r; return r;
} }
} } else
else
ret->value = variant->value; ret->value = variant->value;
return 0; return 0;
@ -72,7 +75,6 @@ static JsonVariant *json_variant_unref_inner(JsonVariant *variant) {
if (variant->type == JSON_VARIANT_ARRAY || variant->type == JSON_VARIANT_OBJECT) if (variant->type == JSON_VARIANT_ARRAY || variant->type == JSON_VARIANT_OBJECT)
return json_object_unref(variant); return json_object_unref(variant);
else if (variant->type == JSON_VARIANT_STRING) else if (variant->type == JSON_VARIANT_STRING)
free(variant->string); free(variant->string);
@ -91,11 +93,14 @@ static JsonVariant *json_raw_unref(JsonVariant *variant, size_t size) {
} }
static JsonVariant *json_object_unref(JsonVariant *variant) { static JsonVariant *json_object_unref(JsonVariant *variant) {
size_t i;
assert(variant); assert(variant);
if (!variant->objects) if (!variant->objects)
return NULL; return NULL;
for (unsigned i = 0; i < variant->size; ++i) for (i = 0; i < variant->size; ++i)
json_variant_unref_inner(&variant->objects[i]); json_variant_unref_inner(&variant->objects[i]);
free(variant->objects); free(variant->objects);
@ -119,6 +124,7 @@ static JsonVariant **json_variant_array_unref(JsonVariant **variant) {
return NULL; return NULL;
} }
DEFINE_TRIVIAL_CLEANUP_FUNC(JsonVariant **, json_variant_array_unref); DEFINE_TRIVIAL_CLEANUP_FUNC(JsonVariant **, json_variant_array_unref);
JsonVariant *json_variant_unref(JsonVariant *variant) { JsonVariant *json_variant_unref(JsonVariant *variant) {
@ -127,7 +133,6 @@ JsonVariant *json_variant_unref(JsonVariant *variant) {
if (variant->type == JSON_VARIANT_ARRAY || variant->type == JSON_VARIANT_OBJECT) if (variant->type == JSON_VARIANT_ARRAY || variant->type == JSON_VARIANT_OBJECT)
json_object_unref(variant); json_object_unref(variant);
else if (variant->type == JSON_VARIANT_STRING) else if (variant->type == JSON_VARIANT_STRING)
free(variant->string); free(variant->string);
@ -174,11 +179,13 @@ JsonVariant *json_variant_element(JsonVariant *variant, unsigned index) {
} }
JsonVariant *json_variant_value(JsonVariant *variant, const char *key) { JsonVariant *json_variant_value(JsonVariant *variant, const char *key) {
size_t i;
assert(variant); assert(variant);
assert(variant->type == JSON_VARIANT_OBJECT); assert(variant->type == JSON_VARIANT_OBJECT);
assert(variant->objects); assert(variant->objects);
for (unsigned i = 0; i < variant->size; i += 2) { for (i = 0; i < variant->size; i += 2) {
JsonVariant *p = &variant->objects[i]; JsonVariant *p = &variant->objects[i];
if (p->type == JSON_VARIANT_STRING && streq(key, p->string)) if (p->type == JSON_VARIANT_STRING && streq(key, p->string))
return &variant->objects[i + 1]; return &variant->objects[i + 1];
@ -624,9 +631,11 @@ static int json_scoped_parse(JsonVariant **tokens, size_t *i, size_t n, JsonVari
assert(scope); assert(scope);
while((var = *i < n ? tokens[(*i)++] : NULL) != NULL) { while((var = *i < n ? tokens[(*i)++] : NULL) != NULL) {
bool stopper = !json_is_value(var) && var->value.integer == terminator; bool stopper;
int r; int r;
stopper = !json_is_value(var) && var->value.integer == terminator;
if (stopper) { if (stopper) {
if (state != STATE_COMMA && size > 0) if (state != STATE_COMMA && size > 0)
goto error; goto error;
@ -655,7 +664,7 @@ static int json_scoped_parse(JsonVariant **tokens, size_t *i, size_t n, JsonVari
state = STATE_VALUE; state = STATE_VALUE;
} }
else if (state == STATE_VALUE) { else if (state == STATE_VALUE) {
_cleanup_jsonunref_ JsonVariant *v = NULL; _cleanup_json_variant_unref_ JsonVariant *v = NULL;
size_t toadd = arr ? 1 : 2; size_t toadd = arr ? 1 : 2;
if (!json_is_value(var)) { if (!json_is_value(var)) {
@ -723,7 +732,7 @@ static int json_parse_tokens(JsonVariant **tokens, size_t ntokens, JsonVariant *
size_t it = 0; size_t it = 0;
int r; int r;
JsonVariant *e; JsonVariant *e;
_cleanup_jsonunref_ JsonVariant *p = NULL; _cleanup_json_variant_unref_ JsonVariant *p = NULL;
assert(tokens); assert(tokens);
assert(ntokens); assert(ntokens);
@ -767,8 +776,8 @@ static int json_tokens(const char *string, size_t size, JsonVariant ***tokens, s
p = buf; p = buf;
for (;;) { for (;;) {
_cleanup_json_variant_unref_ JsonVariant *var = NULL;
_cleanup_free_ char *rstr = NULL; _cleanup_free_ char *rstr = NULL;
_cleanup_jsonunref_ JsonVariant *var = NULL;
t = json_tokenize(&p, &rstr, &v, &json_state, NULL); t = json_tokenize(&p, &rstr, &v, &json_state, NULL);

22
src/shared/json.h
View File

@ -57,30 +57,32 @@ union json_value {
}; };
typedef struct JsonVariant { typedef struct JsonVariant {
JsonVariantType type;
size_t size;
union { union {
char *string; char *string;
struct JsonVariant *objects; struct JsonVariant *objects;
union json_value value; union json_value value;
}; };
JsonVariantType type;
unsigned size;
} JsonVariant; } JsonVariant;
int json_variant_new(JsonVariant **ret, JsonVariantType type); int json_variant_new(JsonVariant **ret, JsonVariantType type);
JsonVariant *json_variant_unref(JsonVariant *); JsonVariant *json_variant_unref(JsonVariant *v);
DEFINE_TRIVIAL_CLEANUP_FUNC(JsonVariant *, json_variant_unref); DEFINE_TRIVIAL_CLEANUP_FUNC(JsonVariant *, json_variant_unref);
#define _cleanup_jsonunref_ _cleanup_(json_variant_unrefp) #define _cleanup_json_variant_unref_ _cleanup_(json_variant_unrefp)
char *json_variant_string(JsonVariant *); char *json_variant_string(JsonVariant *v);
bool json_variant_bool(JsonVariant *); bool json_variant_bool(JsonVariant *v);
intmax_t json_variant_integer(JsonVariant *); intmax_t json_variant_integer(JsonVariant *v);
double json_variant_real(JsonVariant *); double json_variant_real(JsonVariant *v);
JsonVariant *json_variant_element(JsonVariant *, unsigned index); JsonVariant *json_variant_element(JsonVariant *v, unsigned index);
JsonVariant *json_variant_value(JsonVariant *, const char *key); JsonVariant *json_variant_value(JsonVariant *v, const char *key);
#define JSON_VALUE_NULL ((union json_value) {}) #define JSON_VALUE_NULL ((union json_value) {})
int json_tokenize(const char **p, char **ret_string, union json_value *ret_value, void **state, unsigned *line); int json_tokenize(const char **p, char **ret_string, union json_value *ret_value, void **state, unsigned *line);
int json_parse(const char *string, JsonVariant **rv); int json_parse(const char *string, JsonVariant **rv);
int json_parse_measure(const char *string, size_t *size); int json_parse_measure(const char *string, size_t *size);

5
src/test/test-json.c
View File

@ -75,9 +75,10 @@ static void test_one(const char *data, ...) {
typedef void (*Test)(JsonVariant *); typedef void (*Test)(JsonVariant *);
static void test_file(const char *data, Test test) { static void test_file(const char *data, Test test) {
_cleanup_jsonunref_ JsonVariant *v = NULL; _cleanup_json_variant_unref_ JsonVariant *v = NULL;
int r = json_parse(data, &v); int r;
r = json_parse(data, &v);
assert_se(r == 0); assert_se(r == 0);
assert_se(v != NULL); assert_se(v != NULL);
assert_se(v->type == JSON_VARIANT_OBJECT); assert_se(v->type == JSON_VARIANT_OBJECT);