Added JSON decoder to conformance tests, and fixed tons of bugs.

We are now down to only 10 conformance failures across all of upb.
pull/13171/head
Joshua Haberman 5 years ago
parent d49c1db6c2
commit a292261aeb
  1. 46
      tests/conformance_upb.c
  2. 6
      upb/def.c
  3. 97
      upb/json_decode.c
  4. 82
      upb/json_encode.c
  5. 1
      upb/reflection.c

@ -15,6 +15,7 @@
#include "upb/decode.h" #include "upb/decode.h"
#include "upb/encode.h" #include "upb/encode.h"
#include "upb/reflection.h" #include "upb/reflection.h"
#include "upb/json_decode.h"
#include "upb/json_encode.h" #include "upb/json_encode.h"
#include "upb/text_encode.h" #include "upb/text_encode.h"
@ -85,9 +86,11 @@ void serialize_text(const upb_msg *msg, const upb_msgdef *m, const ctx *c) {
size_t len2; size_t len2;
int opts = 0; int opts = 0;
char *data; char *data;
if (!conformance_ConformanceRequest_print_unknown_fields(c->request)) { if (!conformance_ConformanceRequest_print_unknown_fields(c->request)) {
opts |= UPB_TXTENC_SKIPUNKNOWN; opts |= UPB_TXTENC_SKIPUNKNOWN;
} }
len = upb_text_encode(msg, m, c->symtab, opts, NULL, 0); len = upb_text_encode(msg, m, c->symtab, opts, NULL, 0);
data = upb_arena_malloc(c->arena, len + 1); data = upb_arena_malloc(c->arena, len + 1);
len2 = upb_text_encode(msg, m, c->symtab, opts, data, len + 1); len2 = upb_text_encode(msg, m, c->symtab, opts, data, len + 1);
@ -96,6 +99,33 @@ void serialize_text(const upb_msg *msg, const upb_msgdef *m, const ctx *c) {
c->response, upb_strview_make(data, len)); c->response, upb_strview_make(data, len));
} }
bool parse_json(upb_msg *msg, const upb_msgdef *m, const ctx* c) {
upb_strview json =
conformance_ConformanceRequest_json_payload(c->request);
upb_status status;
int opts = 0;
if (conformance_ConformanceRequest_test_category(c->request) ==
conformance_JSON_IGNORE_UNKNOWN_PARSING_TEST) {
opts |= UPB_JSONDEC_IGNOREUNKNOWN;
}
upb_status_clear(&status);
if (upb_json_decode(json.data, json.size, msg, m, c->symtab, opts, c->arena,
&status)) {
return true;
} else {
const char *inerr = upb_status_errmsg(&status);
size_t len = strlen(inerr);
char *err = upb_arena_malloc(c->arena, len + 1);
memcpy(err, inerr, strlen(inerr));
err[len] = '\0';
conformance_ConformanceResponse_set_parse_error(c->response,
upb_strview_makez(err));
return false;
}
}
void serialize_json(const upb_msg *msg, const upb_msgdef *m, const ctx *c) { void serialize_json(const upb_msg *msg, const upb_msgdef *m, const ctx *c) {
size_t len; size_t len;
size_t len2; size_t len2;
@ -104,16 +134,16 @@ void serialize_json(const upb_msg *msg, const upb_msgdef *m, const ctx *c) {
upb_status status; upb_status status;
upb_status_clear(&status); upb_status_clear(&status);
if (!conformance_ConformanceRequest_print_unknown_fields(c->request)) {
opts |= UPB_TXTENC_SKIPUNKNOWN;
}
len = upb_json_encode(msg, m, c->symtab, opts, NULL, 0, &status); len = upb_json_encode(msg, m, c->symtab, opts, NULL, 0, &status);
if (len == -1) { if (len == -1) {
static const char msg[] = "Error serializing."; const char *inerr = upb_status_errmsg(&status);
conformance_ConformanceResponse_set_serialize_error( size_t len = strlen(inerr);
c->response, upb_strview_make(msg, strlen(msg))); char *err = upb_arena_malloc(c->arena, len + 1);
memcpy(err, inerr, strlen(inerr));
err[len] = '\0';
conformance_ConformanceResponse_set_serialize_error(c->response,
upb_strview_makez(err));
return; return;
} }
@ -128,6 +158,8 @@ bool parse_input(upb_msg *msg, const upb_msgdef *m, const ctx* c) {
switch (conformance_ConformanceRequest_payload_case(c->request)) { switch (conformance_ConformanceRequest_payload_case(c->request)) {
case conformance_ConformanceRequest_payload_protobuf_payload: case conformance_ConformanceRequest_payload_protobuf_payload:
return parse_proto(msg, m, c); return parse_proto(msg, m, c);
case conformance_ConformanceRequest_payload_json_payload:
return parse_json(msg, m, c);
case conformance_ConformanceRequest_payload_NOT_SET: case conformance_ConformanceRequest_payload_NOT_SET:
fprintf(stderr, "conformance_upb: Request didn't have payload.\n"); fprintf(stderr, "conformance_upb: Request didn't have payload.\n");
return false; return false;

@ -468,6 +468,10 @@ const char *upb_fielddef_name(const upb_fielddef *f) {
return shortdefname(f->full_name); return shortdefname(f->full_name);
} }
const char *upb_fielddef_jsonname(const upb_fielddef *f) {
return f->json_name;
}
uint32_t upb_fielddef_selectorbase(const upb_fielddef *f) { uint32_t upb_fielddef_selectorbase(const upb_fielddef *f) {
return f->selector_base; return f->selector_base;
} }
@ -1382,7 +1386,7 @@ static bool create_fielddef(
return false; return false;
} }
if (!upb_inttable_insert2(&m->itof, field_number, v, alloc)) { if (upb_inttable_lookup(&m->itof, field_number, NULL)) {
upb_status_seterrf(ctx->status, "duplicate field number (%u)", upb_status_seterrf(ctx->status, "duplicate field number (%u)",
field_number); field_number);
return false; return false;

@ -2,6 +2,8 @@
#include "upb/json_decode.h" #include "upb/json_decode.h"
#include <errno.h> #include <errno.h>
#include <float.h>
#include <inttypes.h>
#include <setjmp.h> #include <setjmp.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
@ -44,7 +46,7 @@ UPB_NORETURN static void jsondec_err(jsondec *d, const char *msg) {
longjmp(d->err, 1); longjmp(d->err, 1);
} }
static void jsondec_errf(jsondec *d, const char *fmt, ...) { UPB_NORETURN static void jsondec_errf(jsondec *d, const char *fmt, ...) {
va_list argp; va_list argp;
va_start(argp, fmt); va_start(argp, fmt);
upb_status_vseterrf(d->status, fmt, argp); upb_status_vseterrf(d->status, fmt, argp);
@ -78,9 +80,11 @@ static bool jsondec_tryparsech(jsondec *d, char ch) {
} }
static void jsondec_parselit(jsondec *d, const char *lit) { static void jsondec_parselit(jsondec *d, const char *lit) {
if (d->end - d->ptr < strlen(lit) || memcmp(d->ptr, lit, strlen(lit)) != 0) { size_t len = strlen(lit);
if (d->end - d->ptr < len || memcmp(d->ptr, lit, len) != 0) {
jsondec_errf(d, "Expected: '%s'", lit); jsondec_errf(d, "Expected: '%s'", lit);
} }
d->ptr += len;
} }
static void jsondec_wsch(jsondec *d, char ch) { static void jsondec_wsch(jsondec *d, char ch) {
@ -126,7 +130,7 @@ static int jsondec_rawpeek(jsondec *d) {
case 'n': case 'n':
return JD_NULL; return JD_NULL;
default: default:
jsondec_err(d, "Unexpected character"); jsondec_errf(d, "Unexpected character: '%c'", *d->ptr);
} }
} }
@ -149,6 +153,7 @@ static void jsondec_push(jsondec *d) {
if (--d->depth < 0) { if (--d->depth < 0) {
jsondec_err(d, "Recursion limit exceeded"); jsondec_err(d, "Recursion limit exceeded");
} }
d->is_first = true;
} }
static bool jsondec_seqnext(jsondec *d, char end_ch) { static bool jsondec_seqnext(jsondec *d, char end_ch) {
@ -252,7 +257,15 @@ parse:
/* Currently the min/max-val conformance tests fail if we check this. Does /* Currently the min/max-val conformance tests fail if we check this. Does
* this mean the conformance tests are wrong or strtod() is wrong, or * this mean the conformance tests are wrong or strtod() is wrong, or
* something else? Investigate further. */ * something else? Investigate further. */
/* CHK(errno == 0); */ /*
if (errno == ERANGE) {
jsondec_err(d, "Number out of range");
}
*/
if (val > DBL_MAX || val < -DBL_MAX) {
jsondec_err(d, "Number out of range");
}
return val; return val;
} }
@ -351,10 +364,11 @@ static size_t jsondec_unicode(jsondec *d, char* out) {
} }
static void jsondec_resize(jsondec *d, char **buf, char **end, char **buf_end) { static void jsondec_resize(jsondec *d, char **buf, char **end, char **buf_end) {
size_t size = 8; size_t oldsize = *buf_end - *buf;
size_t len = *end - *buf; size_t len = *end - *buf;
while (size < *buf_end - *buf) size++; size_t size = UPB_MAX(8, 2 * oldsize);
*buf = upb_arena_realloc(d->arena, *buf, *buf_end - *buf, size);
*buf = upb_arena_realloc(d->arena, *buf, len, size);
*end = *buf + len; *end = *buf + len;
*buf_end = *buf + size; *buf_end = *buf + size;
} }
@ -371,18 +385,21 @@ static upb_strview jsondec_string(jsondec *d) {
} }
while (d->ptr < d->end) { while (d->ptr < d->end) {
char ch = *d->ptr++;
if (end == buf_end) { if (end == buf_end) {
jsondec_resize(d, &buf, &end, &buf_end); jsondec_resize(d, &buf, &end, &buf_end);
} }
switch (*d->ptr) { switch (ch) {
case '"': { case '"': {
upb_strview ret = {buf, end - buf}; upb_strview ret = {buf, end - buf};
return ret; return ret;
} }
case '\\': case '\\':
if (++d->ptr == d->end) goto eof; if (d->ptr == d->end) goto eof;
if (*d->ptr == 'u') { if (*d->ptr == 'u') {
d->ptr++;
if (buf_end - end < 4) { if (buf_end - end < 4) {
// Allow space for maximum-sized code point (4 bytes). // Allow space for maximum-sized code point (4 bytes).
jsondec_resize(d, &buf, &end, &buf_end); jsondec_resize(d, &buf, &end, &buf_end);
@ -391,11 +408,12 @@ static upb_strview jsondec_string(jsondec *d) {
} else { } else {
*end++ = jsondec_escape(d); *end++ = jsondec_escape(d);
} }
break;
default: default:
if ((unsigned char)*d->ptr < 0x20) { if ((unsigned char)*d->ptr < 0x20) {
jsondec_err(d, "Invalid char in JSON string"); jsondec_err(d, "Invalid char in JSON string");
} }
*end++ = *d->ptr; *end++ = ch;
break; break;
} }
} }
@ -429,7 +447,7 @@ static void jsondec_skipval(jsondec *d) {
jsondec_false(d); jsondec_false(d);
break; break;
case JD_NULL: case JD_NULL:
jsondec_number(d); jsondec_null(d);
break; break;
case JD_STRING: case JD_STRING:
jsondec_string(d); jsondec_string(d);
@ -570,6 +588,7 @@ static const char *jsondec_buftouint64(jsondec *d, const char *ptr,
} }
u64 *= 10; u64 *= 10;
u64 += ch; u64 += ch;
ptr++;
} }
*val = u64; *val = u64;
@ -626,8 +645,9 @@ static upb_msgval jsondec_int(jsondec *d, const upb_fielddef *f) {
jsondec_err(d, "JSON number is out of range."); jsondec_err(d, "JSON number is out of range.");
} }
val.int64_val = dbl; /* must be guarded, overflow here is UB */ val.int64_val = dbl; /* must be guarded, overflow here is UB */
if (val.uint64_val != dbl) { if (val.int64_val != dbl) {
jsondec_err(d, "JSON number was not integral."); jsondec_errf(d, "JSON number was not integral (%d != %" PRId64 ")", dbl,
val.int64_val);
} }
break; break;
} }
@ -640,7 +660,7 @@ static upb_msgval jsondec_int(jsondec *d, const upb_fielddef *f) {
jsondec_err(d, "Expected number or string"); jsondec_err(d, "Expected number or string");
} }
if (upb_fielddef_type(f) == UPB_TYPE_UINT32) { if (upb_fielddef_type(f) == UPB_TYPE_INT32) {
if (val.int64_val > INT32_MAX || val.int64_val < INT32_MIN) { if (val.int64_val > INT32_MAX || val.int64_val < INT32_MIN) {
jsondec_err(d, "Integer out of range."); jsondec_err(d, "Integer out of range.");
} }
@ -662,7 +682,8 @@ static upb_msgval jsondec_uint(jsondec *d, const upb_fielddef *f) {
} }
val.uint64_val = dbl; /* must be guarded, overflow here is UB */ val.uint64_val = dbl; /* must be guarded, overflow here is UB */
if (val.uint64_val != dbl) { if (val.uint64_val != dbl) {
jsondec_err(d, "JSON number was not integral."); jsondec_errf(d, "JSON number was not integral (%d != %" PRIu64 ")", dbl,
val.uint64_val);
} }
break; break;
} }
@ -703,6 +724,7 @@ static upb_msgval jsondec_double(jsondec *d, const upb_fielddef *f) {
} else if (jsondec_streql(str, "-Infinity")) { } else if (jsondec_streql(str, "-Infinity")) {
val.double_val = -UPB_INFINITY; val.double_val = -UPB_INFINITY;
} else { } else {
val.double_val = strtod(str.data, NULL);
} }
break; break;
default: default:
@ -710,6 +732,10 @@ static upb_msgval jsondec_double(jsondec *d, const upb_fielddef *f) {
} }
if (upb_fielddef_type(f) == UPB_TYPE_FLOAT) { if (upb_fielddef_type(f) == UPB_TYPE_FLOAT) {
if (val.double_val != UPB_INFINITY && val.double_val != -UPB_INFINITY &&
(val.double_val > FLT_MAX || val.double_val < -FLT_MAX)) {
jsondec_err(d, "Float out of range");
}
val.float_val = val.double_val; val.float_val = val.double_val;
} }
@ -758,9 +784,11 @@ static upb_msgval jsondec_bool(jsondec *d, const upb_fielddef *f) {
switch (jsondec_peek(d)) { switch (jsondec_peek(d)) {
case JD_TRUE: case JD_TRUE:
val.bool_val = true; val.bool_val = true;
jsondec_true(d);
break; break;
case JD_FALSE: case JD_FALSE:
val.bool_val = false; val.bool_val = false;
jsondec_false(d);
break; break;
default: default:
jsondec_err(d, "Expected true or false"); jsondec_err(d, "Expected true or false");
@ -897,14 +925,16 @@ static int jsondec_tsdigits(jsondec *d, const char **ptr, size_t digits,
uint64_t val; uint64_t val;
const char *p = *ptr; const char *p = *ptr;
const char *end = p + digits; const char *end = p + digits;
size_t after_len = after ? strlen(after) : 0;
assert(digits <= 9); /* int can't overflow. */ assert(digits <= 9); /* int can't overflow. */
if (jsondec_buftouint64(d, p, end, &val) != end || if (jsondec_buftouint64(d, p, end, &val) != end ||
(after && memcmp(end, after, strlen(after)) != 0)) { (after_len && memcmp(end, after, after_len) != 0)) {
jsondec_err(d, "Malformed timestamp"); jsondec_err(d, "Malformed timestamp");
} }
*ptr = end + strlen(after); *ptr = end + after_len;
return val; return val;
} }
@ -929,7 +959,7 @@ static int jsondec_nanos(jsondec *d, const char **ptr, const char *end) {
// jsondec_epochdays(1970, 1, 1) == 1970-01-01 == 0 // jsondec_epochdays(1970, 1, 1) == 1970-01-01 == 0
static int jsondec_epochdays(int y, int m, int d) { static int jsondec_epochdays(int y, int m, int d) {
unsigned year_base = 4800; /* Before minimum year, divisible by 100 & 400 */ unsigned year_base = 4800; /* Before minimum year, divisible by 100 & 400 */
unsigned epoch = 719528; /* Days between year_base and 1970 (Unix epoch) */ unsigned epoch = 2472632; /* Days between year_base and 1970 (Unix epoch) */
unsigned carry = (unsigned)m - 3 > m; unsigned carry = (unsigned)m - 3 > m;
unsigned m_adj = m - 3 + (carry ? 12 : 0); /* Month, counting from March */ unsigned m_adj = m - 3 + (carry ? 12 : 0); /* Month, counting from March */
unsigned y_adj = y + year_base - carry; /* Year, positive and March-based */ unsigned y_adj = y + year_base - carry; /* Year, positive and March-based */
@ -941,7 +971,7 @@ static int jsondec_epochdays(int y, int m, int d) {
} }
static int64_t jsondec_unixtime(int y, int m, int d, int h, int min, int s) { static int64_t jsondec_unixtime(int y, int m, int d, int h, int min, int s) {
return jsondec_epochdays(y, m, d) * 86400 + h * 3600 + min * 60 + s; return (int64_t)jsondec_epochdays(y, m, d) * 86400 + h * 3600 + min * 60 + s;
} }
static void jsondec_timestamp(jsondec *d, upb_msg *msg, const upb_msgdef *m) { static void jsondec_timestamp(jsondec *d, upb_msg *msg, const upb_msgdef *m) {
@ -1096,12 +1126,13 @@ static void jsondec_wellknownvalue(jsondec *d, upb_msg *msg,
f = upb_msgdef_itof(m, 4); f = upb_msgdef_itof(m, 4);
jsondec_true(d); jsondec_true(d);
break; break;
/* Note: these cases return, because upb_msg_mutable() is enough. */
case JD_NULL: case JD_NULL:
/* NullValue null_value = 1; */ /* NullValue null_value = 1; */
val.int32_val = 0;
f = upb_msgdef_itof(m, 1);
jsondec_null(d); jsondec_null(d);
upb_msg_mutable(msg, upb_msgdef_itof(m, 1), d->arena); break;
return; /* Note: these cases return, because upb_msg_mutable() is enough. */
case JD_OBJECT: { case JD_OBJECT: {
/* Struct struct_value = 5; */ /* Struct struct_value = 5; */
f = upb_msgdef_itof(m, 5); f = upb_msgdef_itof(m, 5);
@ -1133,6 +1164,7 @@ static upb_strview jsondec_mask(jsondec *d, const char *buf, const char *end) {
ret.size = end - ptr; ret.size = end - ptr;
while (ptr < end) { while (ptr < end) {
ret.size += (*ptr >= 'A' && *ptr <= 'Z'); ret.size += (*ptr >= 'A' && *ptr <= 'Z');
ptr++;
} }
out = upb_arena_malloc(d->arena, ret.size); out = upb_arena_malloc(d->arena, ret.size);
@ -1239,7 +1271,10 @@ static void jsondec_any(jsondec *d, upb_msg *msg, const upb_msgdef *m) {
jsondec_entrysep(d); jsondec_entrysep(d);
if (jsondec_streql(name, "@type")) { if (jsondec_streql(name, "@type")) {
any_m = jsondec_typeurl(d, msg, m); any_m = jsondec_typeurl(d, msg, m);
if (pre_type_data) pre_type_end = start; if (pre_type_data) {
pre_type_end = start;
while (*pre_type_end != ',') pre_type_end--;
}
} else { } else {
if (!pre_type_data) pre_type_data = start; if (!pre_type_data) pre_type_data = start;
jsondec_skipval(d); jsondec_skipval(d);
@ -1253,10 +1288,14 @@ static void jsondec_any(jsondec *d, upb_msg *msg, const upb_msgdef *m) {
any_msg = upb_msg_new(any_m, d->arena); any_msg = upb_msg_new(any_m, d->arena);
if (pre_type_data) { if (pre_type_data) {
size_t len = pre_type_end - pre_type_data + 1;
char *tmp = upb_arena_malloc(d->arena, len);
memcpy(tmp, pre_type_data, len - 1);
tmp[len - 1] = '}';
const char *saved_ptr = d->ptr; const char *saved_ptr = d->ptr;
const char *saved_end = d->end; const char *saved_end = d->end;
d->ptr = pre_type_data; d->ptr = tmp;
d->end = pre_type_end; d->end = tmp + len;
d->is_first = true; d->is_first = true;
while (jsondec_objnext(d)) { while (jsondec_objnext(d)) {
jsondec_anyfield(d, any_msg, any_m); jsondec_anyfield(d, any_msg, any_m);
@ -1276,6 +1315,12 @@ static void jsondec_any(jsondec *d, upb_msg *msg, const upb_msgdef *m) {
upb_msg_set(msg, value_f, encoded, d->arena); upb_msg_set(msg, value_f, encoded, d->arena);
} }
static void jsondec_wrapper(jsondec *d, upb_msg *msg, const upb_msgdef *m) {
const upb_fielddef *value_f = upb_msgdef_itof(m, 1);
upb_msgval val = jsondec_value(d, value_f);
upb_msg_set(msg, value_f, val, d->arena);
}
static void jsondec_wellknown(jsondec *d, upb_msg *msg, const upb_msgdef *m) { static void jsondec_wellknown(jsondec *d, upb_msg *msg, const upb_msgdef *m) {
switch (upb_msgdef_wellknowntype(m)) { switch (upb_msgdef_wellknowntype(m)) {
case UPB_WELLKNOWN_ANY: case UPB_WELLKNOWN_ANY:
@ -1308,7 +1353,7 @@ static void jsondec_wellknown(jsondec *d, upb_msg *msg, const upb_msgdef *m) {
case UPB_WELLKNOWN_STRINGVALUE: case UPB_WELLKNOWN_STRINGVALUE:
case UPB_WELLKNOWN_BYTESVALUE: case UPB_WELLKNOWN_BYTESVALUE:
case UPB_WELLKNOWN_BOOLVALUE: case UPB_WELLKNOWN_BOOLVALUE:
jsondec_value(d, upb_msgdef_itof(m, 1)); jsondec_wrapper(d, msg, m);
break; break;
default: default:
UPB_UNREACHABLE(); UPB_UNREACHABLE();

@ -29,13 +29,23 @@ static void jsonenc_msg(jsonenc *e, const upb_msg *msg, const upb_msgdef *m);
static void jsonenc_scalar(jsonenc *e, upb_msgval val, const upb_fielddef *f); static void jsonenc_scalar(jsonenc *e, upb_msgval val, const upb_fielddef *f);
static void jsonenc_msgfield(jsonenc *e, const upb_msg *msg, static void jsonenc_msgfield(jsonenc *e, const upb_msg *msg,
const upb_msgdef *m); const upb_msgdef *m);
static void jsonenc_msgfields(jsonenc *e, const upb_msg *msg,
const upb_msgdef *m);
static void jsonenc_value(jsonenc *e, const upb_msg *msg, const upb_msgdef *m); static void jsonenc_value(jsonenc *e, const upb_msg *msg, const upb_msgdef *m);
static void jsonenc_err(jsonenc *e, const char *msg) { UPB_NORETURN static void jsonenc_err(jsonenc *e, const char *msg) {
upb_status_seterrmsg(e->status, msg); upb_status_seterrmsg(e->status, msg);
longjmp(e->err, 1); longjmp(e->err, 1);
} }
static upb_arena *jsonenc_arena(jsonenc *e) {
/* Create lazily, since it's only needed for Any */
if (!e->arena) {
e->arena = upb_arena_new();
}
return e->arena;
}
static void jsonenc_putbytes(jsonenc *e, const void *data, size_t len) { static void jsonenc_putbytes(jsonenc *e, const void *data, size_t len) {
size_t have = e->end - e->ptr; size_t have = e->end - e->ptr;
if (UPB_LIKELY(have >= len)) { if (UPB_LIKELY(have >= len)) {
@ -70,19 +80,19 @@ static void jsonenc_printf(jsonenc *e, const char *fmt, ...) {
} }
static void jsonenc_nanos(jsonenc *e, int32_t nanos) { static void jsonenc_nanos(jsonenc *e, int32_t nanos) {
const char zeros[3] = "000"; int digits = 9;
if (nanos == 0) return; if (nanos == 0) return;
if (nanos < 0 || nanos >= 1000000000) { if (nanos < 0 || nanos >= 1000000000) {
jsonenc_err(e, "error formatting timestamp as JSON: invalid nanos"); jsonenc_err(e, "error formatting timestamp as JSON: invalid nanos");
} }
jsonenc_printf(e, "%09" PRId32, nanos); while (nanos % 1000 == 0) {
nanos /= 1000;
/* Remove trailing zeros, 3 at a time. */ digits -= 3;
while ((e->ptr - e->buf) >= 3 && memcmp(e->ptr, zeros, 3) == 0) {
e->ptr -= 3;
} }
jsonenc_printf(e, ".%0.*" PRId32, digits, nanos);
} }
static void jsonenc_timestamp(jsonenc *e, const upb_msg *msg, static void jsonenc_timestamp(jsonenc *e, const upb_msg *msg,
@ -107,7 +117,7 @@ static void jsonenc_timestamp(jsonenc *e, const upb_msg *msg,
* Fliegel, H. F., and Van Flandern, T. C., "A Machine Algorithm for * Fliegel, H. F., and Van Flandern, T. C., "A Machine Algorithm for
* Processing Calendar Dates," Communications of the Association of * Processing Calendar Dates," Communications of the Association of
* Computing Machines, vol. 11 (1968), p. 657. */ * Computing Machines, vol. 11 (1968), p. 657. */
L = (seconds / 86400) + 2440588; L = (seconds / 86400) + 68569 + 2440588;
N = 4 * L / 146097; N = 4 * L / 146097;
L = L - (146097 * N + 3) / 4; L = L - (146097 * N + 3) / 4;
I = 4000 * (L + 1) / 1461001; I = 4000 * (L + 1) / 1461001;
@ -138,6 +148,10 @@ static void jsonenc_duration(jsonenc *e, const upb_msg *msg, const upb_msgdef *m
jsonenc_err(e, "bad duration"); jsonenc_err(e, "bad duration");
} }
if (nanos < 0) {
nanos = -nanos;
}
jsonenc_printf(e, "\"%" PRId64, seconds); jsonenc_printf(e, "\"%" PRId64, seconds);
jsonenc_nanos(e, nanos); jsonenc_nanos(e, nanos);
jsonenc_putstr(e, "s\""); jsonenc_putstr(e, "s\"");
@ -158,8 +172,8 @@ static void jsonenc_bytes(jsonenc *e, upb_strview str) {
/* This is the regular base64, not the "web-safe" version. */ /* This is the regular base64, not the "web-safe" version. */
static const char base64[] = static const char base64[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
const char *ptr = str.data; const unsigned char *ptr = (unsigned char*)str.data;
const char *end = ptr + str.size; const unsigned char *end = ptr + str.size;
char buf[4]; char buf[4];
jsonenc_putstr(e, "\""); jsonenc_putstr(e, "\"");
@ -182,6 +196,7 @@ static void jsonenc_bytes(jsonenc *e, upb_strview str) {
jsonenc_putbytes(e, buf, 4); jsonenc_putbytes(e, buf, 4);
break; break;
case 1: case 1:
fprintf(stderr, "Base64 encode: %d\n", (int)ptr[0]);
buf[0] = base64[ptr[0] >> 2]; buf[0] = base64[ptr[0] >> 2];
buf[1] = base64[((ptr[0] & 0x3) << 4)]; buf[1] = base64[((ptr[0] & 0x3) << 4)];
buf[2] = '='; buf[2] = '=';
@ -212,10 +227,10 @@ static void jsonenc_stringbody(jsonenc *e, upb_strview str) {
jsonenc_putstr(e, "\\\""); jsonenc_putstr(e, "\\\"");
break; break;
case '\f': case '\f':
jsonenc_putstr(e, "\f'"); jsonenc_putstr(e, "\\f");
break; break;
case '\b': case '\b':
jsonenc_putstr(e, "\b'"); jsonenc_putstr(e, "\\b");
break; break;
case '\\': case '\\':
jsonenc_putstr(e, "\\\\"); jsonenc_putstr(e, "\\\\");
@ -255,7 +270,7 @@ static void jsonenc_double(jsonenc *e, const char *fmt, double val) {
static void jsonenc_wrapper(jsonenc *e, const upb_msg *msg, static void jsonenc_wrapper(jsonenc *e, const upb_msg *msg,
const upb_msgdef *m) { const upb_msgdef *m) {
const upb_fielddef *val_f = upb_msgdef_itof(m, 1); const upb_fielddef *val_f = upb_msgdef_itof(m, 1);
upb_msgval val = upb_msg_get(m, val_f); upb_msgval val = upb_msg_get(msg, val_f);
jsonenc_scalar(e, val, val_f); jsonenc_scalar(e, val, val_f);
} }
@ -263,13 +278,14 @@ static const upb_msgdef *jsonenc_getanymsg(jsonenc *e, upb_strview type_url) {
/* Find last '/', if any. */ /* Find last '/', if any. */
const char *end = type_url.data + type_url.size; const char *end = type_url.data + type_url.size;
const char *ptr = end; const char *ptr = end;
const upb_msgdef *ret;
if (!e->ext_pool || type_url.size == 0) return NULL; if (!e->ext_pool || type_url.size == 0) goto badurl;
while (true) { while (true) {
if (--ptr == type_url.data) { if (--ptr == type_url.data) {
/* Type URL must contain at least one '/', with host before. */ /* Type URL must contain at least one '/', with host before. */
return NULL; goto badurl;
} }
if (*ptr == '/') { if (*ptr == '/') {
ptr++; ptr++;
@ -277,19 +293,29 @@ static const upb_msgdef *jsonenc_getanymsg(jsonenc *e, upb_strview type_url) {
} }
} }
return upb_symtab_lookupmsg2(e->ext_pool, ptr, end - ptr); ret = upb_symtab_lookupmsg2(e->ext_pool, ptr, end - ptr);
if (!ret) {
jsonenc_err(e, "Couldn't find Any type");
}
return ret;
badurl:
jsonenc_err(e, "Bad type URL");
} }
static void jsonenc_any(jsonenc *e, const upb_msg *msg, const upb_msgdef *m) { static void jsonenc_any(jsonenc *e, const upb_msg *msg, const upb_msgdef *m) {
const upb_fielddef *type_url_f = upb_msgdef_itof(m, 1); const upb_fielddef *type_url_f = upb_msgdef_itof(m, 1);
const upb_fielddef *value_f = upb_msgdef_itof(m, 1); const upb_fielddef *value_f = upb_msgdef_itof(m, 2);
upb_strview type_url = upb_msg_get(msg, type_url_f).str_val; upb_strview type_url = upb_msg_get(msg, type_url_f).str_val;
upb_strview value = upb_msg_get(msg, value_f).str_val; upb_strview value = upb_msg_get(msg, value_f).str_val;
const upb_msgdef *any_m = jsonenc_getanymsg(e, type_url); const upb_msgdef *any_m = jsonenc_getanymsg(e, type_url);
const upb_msglayout *any_layout = upb_msgdef_layout(any_m); const upb_msglayout *any_layout = upb_msgdef_layout(any_m);
upb_msg *any = upb_msg_new(any_m, e->arena); upb_arena *arena = jsonenc_arena(e);
upb_msg *any = upb_msg_new(any_m, arena);
if (!upb_decode(value.data, value.size, any, any_layout, e->arena)) { if (!upb_decode(value.data, value.size, any, any_layout, arena)) {
jsonenc_err(e, "Error decoding message in Any"); jsonenc_err(e, "Error decoding message in Any");
} }
@ -297,9 +323,9 @@ static void jsonenc_any(jsonenc *e, const upb_msg *msg, const upb_msgdef *m) {
jsonenc_string(e, type_url); jsonenc_string(e, type_url);
jsonenc_putstr(e, ", "); jsonenc_putstr(e, ", ");
if (upb_msgdef_wellknowntype(m) == UPB_WELLKNOWN_UNSPECIFIED) { if (upb_msgdef_wellknowntype(any_m) == UPB_WELLKNOWN_UNSPECIFIED) {
/* Regular messages: {"@type": "...", "foo": 1, "bar": 2} */ /* Regular messages: {"@type": "...", "foo": 1, "bar": 2} */
jsonenc_msg(e, any, any_m); jsonenc_msgfields(e, any, any_m);
} else { } else {
/* Well-known type: {"@type": "...", "value": <well-known encoding>} */ /* Well-known type: {"@type": "...", "value": <well-known encoding>} */
jsonenc_putstr(e, "value: "); jsonenc_putstr(e, "value: ");
@ -468,7 +494,7 @@ static void jsonenc_msgfield(jsonenc *e, const upb_msg *msg,
jsonenc_listvalue(e, msg, m); jsonenc_listvalue(e, msg, m);
break; break;
case UPB_WELLKNOWN_STRUCT: case UPB_WELLKNOWN_STRUCT:
jsonenc_listvalue(e, msg, m); jsonenc_struct(e, msg, m);
break; break;
} }
} }
@ -532,6 +558,7 @@ static void jsonenc_mapkey(jsonenc *e, upb_msgval val, const upb_fielddef *f) {
break; break;
case UPB_TYPE_STRING: case UPB_TYPE_STRING:
jsonenc_stringbody(e, val.str_val); jsonenc_stringbody(e, val.str_val);
break;
default: default:
UPB_UNREACHABLE(); UPB_UNREACHABLE();
} }
@ -595,13 +622,12 @@ static void jsonenc_fieldval(jsonenc *e, const upb_fielddef *f,
} }
} }
static void jsonenc_msg(jsonenc *e, const upb_msg *msg, const upb_msgdef *m) { static void jsonenc_msgfields(jsonenc *e, const upb_msg *msg,
const upb_msgdef *m) {
upb_msgval val; upb_msgval val;
const upb_fielddef *f; const upb_fielddef *f;
bool first = true; bool first = true;
jsonenc_putstr(e, "{");
if (e->options & UPB_JSONENC_EMITDEFAULTS) { if (e->options & UPB_JSONENC_EMITDEFAULTS) {
/* Iterate over all fields. */ /* Iterate over all fields. */
upb_msg_field_iter i; upb_msg_field_iter i;
@ -617,7 +643,11 @@ static void jsonenc_msg(jsonenc *e, const upb_msg *msg, const upb_msgdef *m) {
jsonenc_fieldval(e, f, val, &first); jsonenc_fieldval(e, f, val, &first);
} }
} }
}
static void jsonenc_msg(jsonenc *e, const upb_msg *msg, const upb_msgdef *m) {
jsonenc_putstr(e, "{");
jsonenc_msgfields(e, msg, m);
jsonenc_putstr(e, "}"); jsonenc_putstr(e, "}");
} }
@ -644,9 +674,11 @@ size_t upb_json_encode(const upb_msg *msg, const upb_msgdef *m,
e.options = options; e.options = options;
e.ext_pool = ext_pool; e.ext_pool = ext_pool;
e.status = status; e.status = status;
e.arena = NULL;
if (setjmp(e.err)) return -1; if (setjmp(e.err)) return -1;
jsonenc_msg(&e, msg, m); jsonenc_msg(&e, msg, m);
if (e.arena) upb_arena_free(e.arena);
return jsonenc_nullz(&e, size); return jsonenc_nullz(&e, size);
} }

@ -67,6 +67,7 @@ static uint32_t *oneofcase(const upb_msg *msg,
} }
static upb_msgval _upb_msg_getraw(const upb_msg *msg, const upb_fielddef *f) { static upb_msgval _upb_msg_getraw(const upb_msg *msg, const upb_fielddef *f) {
assert(f);
const upb_msglayout_field *field = upb_fielddef_layout(f); const upb_msglayout_field *field = upb_fielddef_layout(f);
const char *mem = PTR_AT(msg, field->offset, char); const char *mem = PTR_AT(msg, field->offset, char);
upb_msgval val = {0}; upb_msgval val = {0};

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