Chiebot-Mirror
/
protobuf
mirror of https://github.com/protocolbuffers/protobuf.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge pull request #112 from TeBoring/json-unknown

Browse Source 
Enable ignore unknown field in json parsing
pull/13171/head
Joshua Haberman 7 years ago committed by GitHub
parent fa99d854f6 72e66e2b55
commit 1db11440bd
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 141 additions and 55 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 3
      tests/json/test_json.cc
  2. 124
      upb/json/parser.c
  3. 9
      upb/json/parser.h
  4. 52
      upb/json/parser.rl

3
tests/json/test_json.cc
Unescape View File

@ -176,7 +176,8 @@ void test_json_roundtrip_message(const char* json_src,
upb::json::Printer* printer = upb::json::Printer::Create(
env.env(), serialize_handlers, data_sink.Sink());
upb::json::Parser* parser =
upb::json::Parser::Create(env.env(), parser_method, printer->input());
upb::json::Parser::Create(
env.env(), parser_method, printer->input(), false);
env.ResetBytesSink(parser->input());
env.Reset(json_src, strlen(json_src), false, false);

124
upb/json/parser.c
Unescape View File

@ -96,6 +96,9 @@ struct upb_json_parser {
/* Intermediate result of parsing a unicode escape sequence. */
uint32_t digit;
/* Whether to proceed if unknown field is met. */
bool ignore_json_unknown;
};
struct upb_json_parsermethod {
@ -616,6 +619,11 @@ static bool end_number(upb_json_parser *p, const char *ptr) {
return false;
}
if (p->top->f == NULL) {
multipart_end(p);
return true;
}
return parse_number(p, false);
}
@ -768,6 +776,10 @@ static bool parse_number(upb_json_parser *p, bool is_quoted) {
static bool parser_putbool(upb_json_parser *p, bool val) {
bool ok;
if (p->top->f == NULL) {
return true;
}
if (upb_fielddef_type(p->top->f) != UPB_TYPE_BOOL) {
upb_status_seterrf(&p->status,
"Boolean value specified for non-bool field: %s",
@ -783,7 +795,10 @@ static bool parser_putbool(upb_json_parser *p, bool val) {
}
static bool start_stringval(upb_json_parser *p) {
UPB_ASSERT(p->top->f);
if (p->top->f == NULL) {
multipart_startaccum(p);
return true;
}
if (upb_fielddef_isstring(p->top->f)) {
upb_jsonparser_frame *inner;
@ -834,6 +849,11 @@ static bool start_stringval(upb_json_parser *p) {
static bool end_stringval(upb_json_parser *p) {
bool ok = true;
if (p->top->f == NULL) {
multipart_end(p);
return true;
}
switch (upb_fielddef_type(p->top->f)) {
case UPB_TYPE_BYTES:
if (!base64_push(p, getsel_for_handlertype(p, UPB_HANDLER_STRING),
@ -1025,6 +1045,10 @@ static bool handle_mapentry(upb_json_parser *p) {
static bool end_membername(upb_json_parser *p) {
UPB_ASSERT(!p->top->f);
if (!p->top->m) {
return true;
}
if (p->top->is_map) {
return handle_mapentry(p);
} else {
@ -1036,10 +1060,11 @@ static bool end_membername(upb_json_parser *p) {
p->top->f = upb_value_getconstptr(v);
multipart_end(p);
return true;
} else if (p->ignore_json_unknown) {
multipart_end(p);
return true;
} else {
/* TODO(haberman): Ignore unknown fields if requested/configured to do
* so. */
upb_status_seterrf(&p->status, "No such field: %.*s\n", (int)len, buf);
upb_env_reporterror(p->env, &p->status);
return false;
@ -1071,7 +1096,18 @@ static void end_member(upb_json_parser *p) {
}
static bool start_subobject(upb_json_parser *p) {
UPB_ASSERT(p->top->f);
if (p->top->f == NULL) {
upb_jsonparser_frame *inner;
if (!check_stack(p)) return false;
inner = p->top + 1;
inner->m = NULL;
inner->f = NULL;
inner->is_map = false;
inner->is_mapentry = false;
p->top = inner;
return true;
}
if (upb_fielddef_ismap(p->top->f)) {
upb_jsonparser_frame *inner;
@ -1130,10 +1166,13 @@ static void end_subobject(upb_json_parser *p) {
upb_sink_endseq(&p->top->sink, sel);
} else {
upb_selector_t sel;
bool is_unknown = p->top->m == NULL;
p->top--;
if (!is_unknown) {
sel = getsel_for_handlertype(p, UPB_HANDLER_ENDSUBMSG);
upb_sink_endsubmsg(&p->top->sink, sel);
}
}
}
static bool start_array(upb_json_parser *p) {
@ -1214,11 +1253,11 @@ static void end_object(upb_json_parser *p) {
* final state once, when the closing '"' is seen. */
#line 1310 "upb/json/parser.rl"
#line 1349 "upb/json/parser.rl"
#line 1222 "upb/json/parser.c"
#line 1261 "upb/json/parser.c"
static const char _json_actions[] = {
0, 1, 0, 1, 2, 1, 3, 1,
5, 1, 6, 1, 7, 1, 8, 1,
@ -1367,7 +1406,7 @@ static const int json_en_value_machine = 27;
static const int json_en_main = 1;
#line 1313 "upb/json/parser.rl"
#line 1352 "upb/json/parser.rl"
size_t parse(void *closure, const void *hd, const char *buf, size_t size,
const upb_bufhandle *handle) {
@ -1389,7 +1428,7 @@ size_t parse(void *closure, const void *hd, const char *buf, size_t size,
capture_resume(parser, buf);
#line 1393 "upb/json/parser.c"
#line 1432 "upb/json/parser.c"
{
int _klen;
unsigned int _trans;
@ -1464,118 +1503,118 @@ _match:
switch ( *_acts++ )
{
case 0:
#line 1225 "upb/json/parser.rl"
#line 1264 "upb/json/parser.rl"
{ p--; {cs = stack[--top]; goto _again;} }
break;
case 1:
#line 1226 "upb/json/parser.rl"
#line 1265 "upb/json/parser.rl"
{ p--; {stack[top++] = cs; cs = 10; goto _again;} }
break;
case 2:
#line 1230 "upb/json/parser.rl"
#line 1269 "upb/json/parser.rl"
{ start_text(parser, p); }
break;
case 3:
#line 1231 "upb/json/parser.rl"
#line 1270 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(end_text(parser, p)); }
break;
case 4:
#line 1237 "upb/json/parser.rl"
#line 1276 "upb/json/parser.rl"
{ start_hex(parser); }
break;
case 5:
#line 1238 "upb/json/parser.rl"
#line 1277 "upb/json/parser.rl"
{ hexdigit(parser, p); }
break;
case 6:
#line 1239 "upb/json/parser.rl"
#line 1278 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(end_hex(parser)); }
break;
case 7:
#line 1245 "upb/json/parser.rl"
#line 1284 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(escape(parser, p)); }
break;
case 8:
#line 1251 "upb/json/parser.rl"
#line 1290 "upb/json/parser.rl"
{ p--; {cs = stack[--top]; goto _again;} }
break;
case 9:
#line 1254 "upb/json/parser.rl"
#line 1293 "upb/json/parser.rl"
{ {stack[top++] = cs; cs = 19; goto _again;} }
break;
case 10:
#line 1256 "upb/json/parser.rl"
#line 1295 "upb/json/parser.rl"
{ p--; {stack[top++] = cs; cs = 27; goto _again;} }
break;
case 11:
#line 1261 "upb/json/parser.rl"
#line 1300 "upb/json/parser.rl"
{ start_member(parser); }
break;
case 12:
#line 1262 "upb/json/parser.rl"
#line 1301 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(end_membername(parser)); }
break;
case 13:
#line 1265 "upb/json/parser.rl"
#line 1304 "upb/json/parser.rl"
{ end_member(parser); }
break;
case 14:
#line 1271 "upb/json/parser.rl"
#line 1310 "upb/json/parser.rl"
{ start_object(parser); }
break;
case 15:
#line 1274 "upb/json/parser.rl"
#line 1313 "upb/json/parser.rl"
{ end_object(parser); }
break;
case 16:
#line 1280 "upb/json/parser.rl"
#line 1319 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(start_array(parser)); }
break;
case 17:
#line 1284 "upb/json/parser.rl"
#line 1323 "upb/json/parser.rl"
{ end_array(parser); }
break;
case 18:
#line 1289 "upb/json/parser.rl"
#line 1328 "upb/json/parser.rl"
{ start_number(parser, p); }
break;
case 19:
#line 1290 "upb/json/parser.rl"
#line 1329 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(end_number(parser, p)); }
break;
case 20:
#line 1292 "upb/json/parser.rl"
#line 1331 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(start_stringval(parser)); }
break;
case 21:
#line 1293 "upb/json/parser.rl"
#line 1332 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(end_stringval(parser)); }
break;
case 22:
#line 1295 "upb/json/parser.rl"
#line 1334 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(parser_putbool(parser, true)); }
break;
case 23:
#line 1297 "upb/json/parser.rl"
#line 1336 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(parser_putbool(parser, false)); }
break;
case 24:
#line 1299 "upb/json/parser.rl"
#line 1338 "upb/json/parser.rl"
{ /* null value */ }
break;
case 25:
#line 1301 "upb/json/parser.rl"
#line 1340 "upb/json/parser.rl"
{ CHECK_RETURN_TOP(start_subobject(parser)); }
break;
case 26:
#line 1302 "upb/json/parser.rl"
#line 1341 "upb/json/parser.rl"
{ end_subobject(parser); }
break;
case 27:
#line 1307 "upb/json/parser.rl"
#line 1346 "upb/json/parser.rl"
{ p--; {cs = stack[--top]; goto _again;} }
break;
#line 1579 "upb/json/parser.c"
#line 1618 "upb/json/parser.c"
}
}
@ -1588,7 +1627,7 @@ _again:
_out: {}
}
#line 1334 "upb/json/parser.rl"
#line 1373 "upb/json/parser.rl"
if (p != pe) {
upb_status_seterrf(&parser->status, "Parse error at '%.*s'\n", pe - p, p);
@ -1629,13 +1668,13 @@ static void json_parser_reset(upb_json_parser *p) {
/* Emit Ragel initialization of the parser. */
#line 1633 "upb/json/parser.c"
#line 1672 "upb/json/parser.c"
{
cs = json_start;
top = 0;
}
#line 1374 "upb/json/parser.rl"
#line 1413 "upb/json/parser.rl"
p->current_state = cs;
p->parser_top = top;
accumulate_clear(p);
@ -1722,7 +1761,8 @@ static void add_jsonname_table(upb_json_parsermethod *m, const upb_msgdef* md) {
upb_json_parser *upb_json_parser_create(upb_env *env,
const upb_json_parsermethod *method,
upb_sink *output) {
upb_sink *output,
bool ignore_json_unknown) {
#ifndef NDEBUG
const size_t size_before = upb_env_bytesallocated(env);
#endif
@ -1741,6 +1781,8 @@ upb_json_parser *upb_json_parser_create(upb_env *env,
p->top->m = upb_handlers_msgdef(output->handlers);
set_name_table(p, p->top);
p->ignore_json_unknown = ignore_json_unknown;
/* If this fails, uncomment and increase the value in parser.h. */
/* fprintf(stderr, "%zd\n", upb_env_bytesallocated(env) - size_before); */
UPB_ASSERT_DEBUGVAR(upb_env_bytesallocated(env) - size_before <=

9
upb/json/parser.h
Unescape View File

@ -38,7 +38,7 @@ UPB_DECLARE_DERIVED_TYPE(upb::json::ParserMethod, upb::RefCounted,
class upb::json::Parser {
public:
static Parser* Create(Environment* env, const ParserMethod* method,
Sink* output);
Sink* output, bool ignore_json_unknown);
BytesSink* input();
@ -72,7 +72,8 @@ UPB_BEGIN_EXTERN_C
upb_json_parser* upb_json_parser_create(upb_env* e,
const upb_json_parsermethod* m,
upb_sink* output);
upb_sink* output,
bool ignore_json_unknown);
upb_bytessink *upb_json_parser_input(upb_json_parser *p);
upb_json_parsermethod* upb_json_parsermethod_new(const upb_msgdef* md,
@ -92,8 +93,8 @@ UPB_END_EXTERN_C
namespace upb {
namespace json {
inline Parser* Parser::Create(Environment* env, const ParserMethod* method,
Sink* output) {
return upb_json_parser_create(env, method, output);
Sink* output, bool ignore_json_unknown) {
return upb_json_parser_create(env, method, output, ignore_json_unknown);
}
inline BytesSink* Parser::input() {
return upb_json_parser_input(this);

52
upb/json/parser.rl
Unescape View File

@ -94,6 +94,9 @@ struct upb_json_parser {
/* Intermediate result of parsing a unicode escape sequence. */
uint32_t digit;
/* Whether to proceed if unknown field is met. */
bool ignore_json_unknown;
};
struct upb_json_parsermethod {
@ -614,6 +617,11 @@ static bool end_number(upb_json_parser *p, const char *ptr) {
return false;
}
if (p->top->f == NULL) {
multipart_end(p);
return true;
}
return parse_number(p, false);
}
@ -766,6 +774,10 @@ static bool parse_number(upb_json_parser *p, bool is_quoted) {
static bool parser_putbool(upb_json_parser *p, bool val) {
bool ok;
if (p->top->f == NULL) {
return true;
}
if (upb_fielddef_type(p->top->f) != UPB_TYPE_BOOL) {
upb_status_seterrf(&p->status,
"Boolean value specified for non-bool field: %s",
@ -781,7 +793,10 @@ static bool parser_putbool(upb_json_parser *p, bool val) {
}
static bool start_stringval(upb_json_parser *p) {
UPB_ASSERT(p->top->f);
if (p->top->f == NULL) {
multipart_startaccum(p);
return true;
}
if (upb_fielddef_isstring(p->top->f)) {
upb_jsonparser_frame *inner;
@ -832,6 +847,11 @@ static bool start_stringval(upb_json_parser *p) {
static bool end_stringval(upb_json_parser *p) {
bool ok = true;
if (p->top->f == NULL) {
multipart_end(p);
return true;
}
switch (upb_fielddef_type(p->top->f)) {
case UPB_TYPE_BYTES:
if (!base64_push(p, getsel_for_handlertype(p, UPB_HANDLER_STRING),
@ -1023,6 +1043,10 @@ static bool handle_mapentry(upb_json_parser *p) {
static bool end_membername(upb_json_parser *p) {
UPB_ASSERT(!p->top->f);
if (!p->top->m) {
return true;
}
if (p->top->is_map) {
return handle_mapentry(p);
} else {
@ -1034,10 +1058,11 @@ static bool end_membername(upb_json_parser *p) {
p->top->f = upb_value_getconstptr(v);
multipart_end(p);
return true;
} else if (p->ignore_json_unknown) {
multipart_end(p);
return true;
} else {
/* TODO(haberman): Ignore unknown fields if requested/configured to do
* so. */
upb_status_seterrf(&p->status, "No such field: %.*s\n", (int)len, buf);
upb_env_reporterror(p->env, &p->status);
return false;
@ -1069,7 +1094,18 @@ static void end_member(upb_json_parser *p) {
}
static bool start_subobject(upb_json_parser *p) {
UPB_ASSERT(p->top->f);
if (p->top->f == NULL) {
upb_jsonparser_frame *inner;
if (!check_stack(p)) return false;
inner = p->top + 1;
inner->m = NULL;
inner->f = NULL;
inner->is_map = false;
inner->is_mapentry = false;
p->top = inner;
return true;
}
if (upb_fielddef_ismap(p->top->f)) {
upb_jsonparser_frame *inner;
@ -1128,10 +1164,13 @@ static void end_subobject(upb_json_parser *p) {
upb_sink_endseq(&p->top->sink, sel);
} else {
upb_selector_t sel;
bool is_unknown = p->top->m == NULL;
p->top--;
if (!is_unknown) {
sel = getsel_for_handlertype(p, UPB_HANDLER_ENDSUBMSG);
upb_sink_endsubmsg(&p->top->sink, sel);
}
}
}
static bool start_array(upb_json_parser *p) {
@ -1457,7 +1496,8 @@ static void add_jsonname_table(upb_json_parsermethod *m, const upb_msgdef* md) {
upb_json_parser *upb_json_parser_create(upb_env *env,
const upb_json_parsermethod *method,
upb_sink *output) {
upb_sink *output,
bool ignore_json_unknown) {
#ifndef NDEBUG
const size_t size_before = upb_env_bytesallocated(env);
#endif
@ -1476,6 +1516,8 @@ upb_json_parser *upb_json_parser_create(upb_env *env,
p->top->m = upb_handlers_msgdef(output->handlers);
set_name_table(p, p->top);
p->ignore_json_unknown = ignore_json_unknown;
/* If this fails, uncomment and increase the value in parser.h. */
/* fprintf(stderr, "%zd\n", upb_env_bytesallocated(env) - size_before); */
UPB_ASSERT_DEBUGVAR(upb_env_bytesallocated(env) - size_before <=

Write Preview
Loading…
Cancel
Save