Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 1 | /* |
| 2 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 3 | * Copyright 2015-2016 gRPC authors. |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 4 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 8 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 10 | * |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 16 | * |
| 17 | */ |
| 18 | |
Nicolas Noble | 8c2be9b | 2015-01-27 14:21:18 -0800 | [diff] [blame] | 19 | #include <string.h> |
| 20 | |
Nicolas Noble | e04455a | 2015-01-26 17:01:29 -0800 | [diff] [blame] | 21 | #include <grpc/support/port_platform.h> |
Nicolas Noble | 8c2be9b | 2015-01-27 14:21:18 -0800 | [diff] [blame] | 22 | |
Nicolas "Pixel" Noble | 11c320d | 2015-12-12 01:47:36 +0100 | [diff] [blame] | 23 | #include <grpc/support/log.h> |
| 24 | |
Craig Tiller | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 25 | #include "src/core/lib/json/json_reader.h" |
Nicolas Noble | e04455a | 2015-01-26 17:01:29 -0800 | [diff] [blame] | 26 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 27 | static void json_reader_string_clear(grpc_json_reader *reader) { |
| 28 | reader->vtable->string_clear(reader->userdata); |
Nicolas Noble | e04455a | 2015-01-26 17:01:29 -0800 | [diff] [blame] | 29 | } |
| 30 | |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 31 | static void json_reader_string_add_char(grpc_json_reader *reader, uint32_t c) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 32 | reader->vtable->string_add_char(reader->userdata, c); |
Nicolas Noble | e04455a | 2015-01-26 17:01:29 -0800 | [diff] [blame] | 33 | } |
| 34 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 35 | static void json_reader_string_add_utf32(grpc_json_reader *reader, |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 36 | uint32_t utf32) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 37 | reader->vtable->string_add_utf32(reader->userdata, utf32); |
Nicolas Noble | e04455a | 2015-01-26 17:01:29 -0800 | [diff] [blame] | 38 | } |
| 39 | |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 40 | static uint32_t grpc_json_reader_read_char(grpc_json_reader *reader) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 41 | return reader->vtable->read_char(reader->userdata); |
Nicolas Noble | e04455a | 2015-01-26 17:01:29 -0800 | [diff] [blame] | 42 | } |
| 43 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 44 | static void json_reader_container_begins(grpc_json_reader *reader, |
| 45 | grpc_json_type type) { |
| 46 | reader->vtable->container_begins(reader->userdata, type); |
Nicolas Noble | e04455a | 2015-01-26 17:01:29 -0800 | [diff] [blame] | 47 | } |
| 48 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 49 | static grpc_json_type grpc_json_reader_container_ends( |
| 50 | grpc_json_reader *reader) { |
| 51 | return reader->vtable->container_ends(reader->userdata); |
Nicolas Noble | e04455a | 2015-01-26 17:01:29 -0800 | [diff] [blame] | 52 | } |
| 53 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 54 | static void json_reader_set_key(grpc_json_reader *reader) { |
| 55 | reader->vtable->set_key(reader->userdata); |
Nicolas Noble | e04455a | 2015-01-26 17:01:29 -0800 | [diff] [blame] | 56 | } |
| 57 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 58 | static void json_reader_set_string(grpc_json_reader *reader) { |
| 59 | reader->vtable->set_string(reader->userdata); |
Nicolas Noble | e04455a | 2015-01-26 17:01:29 -0800 | [diff] [blame] | 60 | } |
| 61 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 62 | static int json_reader_set_number(grpc_json_reader *reader) { |
| 63 | return reader->vtable->set_number(reader->userdata); |
Nicolas Noble | e04455a | 2015-01-26 17:01:29 -0800 | [diff] [blame] | 64 | } |
| 65 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 66 | static void json_reader_set_true(grpc_json_reader *reader) { |
| 67 | reader->vtable->set_true(reader->userdata); |
Nicolas Noble | e04455a | 2015-01-26 17:01:29 -0800 | [diff] [blame] | 68 | } |
| 69 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 70 | static void json_reader_set_false(grpc_json_reader *reader) { |
| 71 | reader->vtable->set_false(reader->userdata); |
Nicolas Noble | e04455a | 2015-01-26 17:01:29 -0800 | [diff] [blame] | 72 | } |
| 73 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 74 | static void json_reader_set_null(grpc_json_reader *reader) { |
| 75 | reader->vtable->set_null(reader->userdata); |
Nicolas Noble | e04455a | 2015-01-26 17:01:29 -0800 | [diff] [blame] | 76 | } |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 77 | |
| 78 | /* Call this function to initialize the reader structure. */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 79 | void grpc_json_reader_init(grpc_json_reader *reader, |
| 80 | grpc_json_reader_vtable *vtable, void *userdata) { |
| 81 | memset(reader, 0, sizeof(*reader)); |
Nicolas Noble | 8c2be9b | 2015-01-27 14:21:18 -0800 | [diff] [blame] | 82 | reader->vtable = vtable; |
| 83 | reader->userdata = userdata; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 84 | json_reader_string_clear(reader); |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 85 | reader->state = GRPC_JSON_STATE_VALUE_BEGIN; |
| 86 | } |
| 87 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 88 | int grpc_json_reader_is_complete(grpc_json_reader *reader) { |
| 89 | return ((reader->depth == 0) && |
| 90 | ((reader->state == GRPC_JSON_STATE_END) || |
| 91 | (reader->state == GRPC_JSON_STATE_VALUE_END))); |
Nicolas Noble | e04455a | 2015-01-26 17:01:29 -0800 | [diff] [blame] | 92 | } |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 93 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 94 | grpc_json_reader_status grpc_json_reader_run(grpc_json_reader *reader) { |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 95 | uint32_t c, success; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 96 | |
Nicolas Noble | e04455a | 2015-01-26 17:01:29 -0800 | [diff] [blame] | 97 | /* This state-machine is a strict implementation of ECMA-404 */ |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 98 | for (;;) { |
| 99 | c = grpc_json_reader_read_char(reader); |
| 100 | switch (c) { |
| 101 | /* Let's process the error cases first. */ |
| 102 | case GRPC_JSON_READ_CHAR_ERROR: |
| 103 | return GRPC_JSON_READ_ERROR; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 104 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 105 | case GRPC_JSON_READ_CHAR_EAGAIN: |
| 106 | return GRPC_JSON_EAGAIN; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 107 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 108 | case GRPC_JSON_READ_CHAR_EOF: |
| 109 | if (grpc_json_reader_is_complete(reader)) { |
| 110 | return GRPC_JSON_DONE; |
| 111 | } else { |
| 112 | return GRPC_JSON_PARSE_ERROR; |
| 113 | } |
| 114 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 115 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 116 | /* Processing whitespaces. */ |
| 117 | case ' ': |
| 118 | case '\t': |
| 119 | case '\n': |
| 120 | case '\r': |
| 121 | switch (reader->state) { |
| 122 | case GRPC_JSON_STATE_OBJECT_KEY_BEGIN: |
| 123 | case GRPC_JSON_STATE_OBJECT_KEY_END: |
| 124 | case GRPC_JSON_STATE_VALUE_BEGIN: |
| 125 | case GRPC_JSON_STATE_VALUE_END: |
| 126 | case GRPC_JSON_STATE_END: |
| 127 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 128 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 129 | case GRPC_JSON_STATE_OBJECT_KEY_STRING: |
| 130 | case GRPC_JSON_STATE_VALUE_STRING: |
| 131 | if (c != ' ') return GRPC_JSON_PARSE_ERROR; |
| 132 | if (reader->unicode_high_surrogate != 0) |
| 133 | return GRPC_JSON_PARSE_ERROR; |
| 134 | json_reader_string_add_char(reader, c); |
| 135 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 136 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 137 | case GRPC_JSON_STATE_VALUE_NUMBER: |
| 138 | case GRPC_JSON_STATE_VALUE_NUMBER_WITH_DECIMAL: |
| 139 | case GRPC_JSON_STATE_VALUE_NUMBER_ZERO: |
| 140 | case GRPC_JSON_STATE_VALUE_NUMBER_EPM: |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 141 | success = (uint32_t)json_reader_set_number(reader); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 142 | if (!success) return GRPC_JSON_PARSE_ERROR; |
| 143 | json_reader_string_clear(reader); |
| 144 | reader->state = GRPC_JSON_STATE_VALUE_END; |
| 145 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 146 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 147 | default: |
| 148 | return GRPC_JSON_PARSE_ERROR; |
| 149 | } |
| 150 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 151 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 152 | /* Value, object or array terminations. */ |
| 153 | case ',': |
| 154 | case '}': |
| 155 | case ']': |
| 156 | switch (reader->state) { |
| 157 | case GRPC_JSON_STATE_OBJECT_KEY_STRING: |
| 158 | case GRPC_JSON_STATE_VALUE_STRING: |
Nicolas "Pixel" Noble | acbd867 | 2016-04-28 00:01:16 +0200 | [diff] [blame] | 159 | if (reader->unicode_high_surrogate != 0) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 160 | return GRPC_JSON_PARSE_ERROR; |
Nicolas "Pixel" Noble | acbd867 | 2016-04-28 00:01:16 +0200 | [diff] [blame] | 161 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 162 | json_reader_string_add_char(reader, c); |
| 163 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 164 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 165 | case GRPC_JSON_STATE_VALUE_NUMBER: |
| 166 | case GRPC_JSON_STATE_VALUE_NUMBER_WITH_DECIMAL: |
| 167 | case GRPC_JSON_STATE_VALUE_NUMBER_ZERO: |
| 168 | case GRPC_JSON_STATE_VALUE_NUMBER_EPM: |
Nicolas "Pixel" Noble | 82a91c9 | 2016-03-30 07:01:52 +0200 | [diff] [blame] | 169 | if (reader->depth == 0) { |
| 170 | return GRPC_JSON_PARSE_ERROR; |
| 171 | } else if ((c == '}') && !reader->in_object) { |
| 172 | return GRPC_JSON_PARSE_ERROR; |
| 173 | } else if ((c == ']') && !reader->in_array) { |
| 174 | return GRPC_JSON_PARSE_ERROR; |
| 175 | } |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 176 | success = (uint32_t)json_reader_set_number(reader); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 177 | if (!success) return GRPC_JSON_PARSE_ERROR; |
| 178 | json_reader_string_clear(reader); |
| 179 | reader->state = GRPC_JSON_STATE_VALUE_END; |
| 180 | /* The missing break here is intentional. */ |
Alexey Firago | d50e01d | 2017-07-13 18:37:49 +0300 | [diff] [blame] | 181 | /* fallthrough */ |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 182 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 183 | case GRPC_JSON_STATE_VALUE_END: |
| 184 | case GRPC_JSON_STATE_OBJECT_KEY_BEGIN: |
| 185 | case GRPC_JSON_STATE_VALUE_BEGIN: |
| 186 | if (c == ',') { |
| 187 | if (reader->state != GRPC_JSON_STATE_VALUE_END) { |
| 188 | return GRPC_JSON_PARSE_ERROR; |
| 189 | } |
| 190 | if (reader->in_object) { |
| 191 | reader->state = GRPC_JSON_STATE_OBJECT_KEY_BEGIN; |
Nicolas "Pixel" Noble | 959b6f5 | 2016-04-01 00:53:57 +0200 | [diff] [blame] | 192 | } else if (reader->in_array) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 193 | reader->state = GRPC_JSON_STATE_VALUE_BEGIN; |
Nicolas "Pixel" Noble | 959b6f5 | 2016-04-01 00:53:57 +0200 | [diff] [blame] | 194 | } else { |
| 195 | return GRPC_JSON_PARSE_ERROR; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 196 | } |
| 197 | } else { |
| 198 | if (reader->depth-- == 0) return GRPC_JSON_PARSE_ERROR; |
| 199 | if ((c == '}') && !reader->in_object) { |
| 200 | return GRPC_JSON_PARSE_ERROR; |
| 201 | } |
| 202 | if ((c == '}') && |
| 203 | (reader->state == GRPC_JSON_STATE_OBJECT_KEY_BEGIN) && |
| 204 | !reader->container_just_begun) { |
| 205 | return GRPC_JSON_PARSE_ERROR; |
| 206 | } |
| 207 | if ((c == ']') && !reader->in_array) return GRPC_JSON_PARSE_ERROR; |
| 208 | if ((c == ']') && |
| 209 | (reader->state == GRPC_JSON_STATE_VALUE_BEGIN) && |
| 210 | !reader->container_just_begun) { |
| 211 | return GRPC_JSON_PARSE_ERROR; |
| 212 | } |
| 213 | reader->state = GRPC_JSON_STATE_VALUE_END; |
| 214 | switch (grpc_json_reader_container_ends(reader)) { |
| 215 | case GRPC_JSON_OBJECT: |
| 216 | reader->in_object = 1; |
| 217 | reader->in_array = 0; |
| 218 | break; |
| 219 | case GRPC_JSON_ARRAY: |
| 220 | reader->in_object = 0; |
| 221 | reader->in_array = 1; |
| 222 | break; |
| 223 | case GRPC_JSON_TOP_LEVEL: |
Nicolas "Pixel" Noble | 11c320d | 2015-12-12 01:47:36 +0100 | [diff] [blame] | 224 | GPR_ASSERT(reader->depth == 0); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 225 | reader->in_object = 0; |
| 226 | reader->in_array = 0; |
| 227 | reader->state = GRPC_JSON_STATE_END; |
| 228 | break; |
| 229 | default: |
Craig Tiller | 620e965 | 2015-12-14 12:02:50 -0800 | [diff] [blame] | 230 | GPR_UNREACHABLE_CODE(return GRPC_JSON_INTERNAL_ERROR); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 231 | } |
| 232 | } |
| 233 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 234 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 235 | default: |
| 236 | return GRPC_JSON_PARSE_ERROR; |
| 237 | } |
| 238 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 239 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 240 | /* In-string escaping. */ |
| 241 | case '\\': |
| 242 | switch (reader->state) { |
| 243 | case GRPC_JSON_STATE_OBJECT_KEY_STRING: |
| 244 | reader->escaped_string_was_key = 1; |
| 245 | reader->state = GRPC_JSON_STATE_STRING_ESCAPE; |
| 246 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 247 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 248 | case GRPC_JSON_STATE_VALUE_STRING: |
| 249 | reader->escaped_string_was_key = 0; |
| 250 | reader->state = GRPC_JSON_STATE_STRING_ESCAPE; |
| 251 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 252 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 253 | /* This is the \\ case. */ |
| 254 | case GRPC_JSON_STATE_STRING_ESCAPE: |
| 255 | if (reader->unicode_high_surrogate != 0) |
| 256 | return GRPC_JSON_PARSE_ERROR; |
| 257 | json_reader_string_add_char(reader, '\\'); |
| 258 | if (reader->escaped_string_was_key) { |
| 259 | reader->state = GRPC_JSON_STATE_OBJECT_KEY_STRING; |
| 260 | } else { |
| 261 | reader->state = GRPC_JSON_STATE_VALUE_STRING; |
| 262 | } |
| 263 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 264 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 265 | default: |
| 266 | return GRPC_JSON_PARSE_ERROR; |
| 267 | } |
| 268 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 269 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 270 | default: |
| 271 | reader->container_just_begun = 0; |
| 272 | switch (reader->state) { |
| 273 | case GRPC_JSON_STATE_OBJECT_KEY_BEGIN: |
| 274 | if (c != '"') return GRPC_JSON_PARSE_ERROR; |
| 275 | reader->state = GRPC_JSON_STATE_OBJECT_KEY_STRING; |
| 276 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 277 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 278 | case GRPC_JSON_STATE_OBJECT_KEY_STRING: |
Nicolas "Pixel" Noble | acbd867 | 2016-04-28 00:01:16 +0200 | [diff] [blame] | 279 | if (reader->unicode_high_surrogate != 0) { |
Nicolas "Pixel" Noble | c908860 | 2016-03-18 00:24:33 +0100 | [diff] [blame] | 280 | return GRPC_JSON_PARSE_ERROR; |
Nicolas "Pixel" Noble | acbd867 | 2016-04-28 00:01:16 +0200 | [diff] [blame] | 281 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 282 | if (c == '"') { |
| 283 | reader->state = GRPC_JSON_STATE_OBJECT_KEY_END; |
| 284 | json_reader_set_key(reader); |
| 285 | json_reader_string_clear(reader); |
| 286 | } else { |
Nicolas "Pixel" Noble | c908860 | 2016-03-18 00:24:33 +0100 | [diff] [blame] | 287 | if (c < 32) return GRPC_JSON_PARSE_ERROR; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 288 | json_reader_string_add_char(reader, c); |
| 289 | } |
| 290 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 291 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 292 | case GRPC_JSON_STATE_VALUE_STRING: |
Nicolas "Pixel" Noble | acbd867 | 2016-04-28 00:01:16 +0200 | [diff] [blame] | 293 | if (reader->unicode_high_surrogate != 0) { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 294 | return GRPC_JSON_PARSE_ERROR; |
Nicolas "Pixel" Noble | acbd867 | 2016-04-28 00:01:16 +0200 | [diff] [blame] | 295 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 296 | if (c == '"') { |
| 297 | reader->state = GRPC_JSON_STATE_VALUE_END; |
| 298 | json_reader_set_string(reader); |
| 299 | json_reader_string_clear(reader); |
| 300 | } else { |
| 301 | if (c < 32) return GRPC_JSON_PARSE_ERROR; |
| 302 | json_reader_string_add_char(reader, c); |
| 303 | } |
| 304 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 305 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 306 | case GRPC_JSON_STATE_OBJECT_KEY_END: |
| 307 | if (c != ':') return GRPC_JSON_PARSE_ERROR; |
| 308 | reader->state = GRPC_JSON_STATE_VALUE_BEGIN; |
| 309 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 310 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 311 | case GRPC_JSON_STATE_VALUE_BEGIN: |
| 312 | switch (c) { |
| 313 | case 't': |
| 314 | reader->state = GRPC_JSON_STATE_VALUE_TRUE_R; |
| 315 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 316 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 317 | case 'f': |
| 318 | reader->state = GRPC_JSON_STATE_VALUE_FALSE_A; |
| 319 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 320 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 321 | case 'n': |
| 322 | reader->state = GRPC_JSON_STATE_VALUE_NULL_U; |
| 323 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 324 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 325 | case '"': |
| 326 | reader->state = GRPC_JSON_STATE_VALUE_STRING; |
| 327 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 328 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 329 | case '0': |
| 330 | json_reader_string_add_char(reader, c); |
| 331 | reader->state = GRPC_JSON_STATE_VALUE_NUMBER_ZERO; |
| 332 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 333 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 334 | case '1': |
| 335 | case '2': |
| 336 | case '3': |
| 337 | case '4': |
| 338 | case '5': |
| 339 | case '6': |
| 340 | case '7': |
| 341 | case '8': |
| 342 | case '9': |
| 343 | case '-': |
| 344 | json_reader_string_add_char(reader, c); |
| 345 | reader->state = GRPC_JSON_STATE_VALUE_NUMBER; |
| 346 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 347 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 348 | case '{': |
| 349 | reader->container_just_begun = 1; |
| 350 | json_reader_container_begins(reader, GRPC_JSON_OBJECT); |
| 351 | reader->depth++; |
| 352 | reader->state = GRPC_JSON_STATE_OBJECT_KEY_BEGIN; |
| 353 | reader->in_object = 1; |
| 354 | reader->in_array = 0; |
| 355 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 356 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 357 | case '[': |
| 358 | reader->container_just_begun = 1; |
| 359 | json_reader_container_begins(reader, GRPC_JSON_ARRAY); |
| 360 | reader->depth++; |
| 361 | reader->in_object = 0; |
| 362 | reader->in_array = 1; |
| 363 | break; |
Nicolas "Pixel" Noble | c908860 | 2016-03-18 00:24:33 +0100 | [diff] [blame] | 364 | default: |
| 365 | return GRPC_JSON_PARSE_ERROR; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 366 | } |
| 367 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 368 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 369 | case GRPC_JSON_STATE_STRING_ESCAPE: |
| 370 | if (reader->escaped_string_was_key) { |
| 371 | reader->state = GRPC_JSON_STATE_OBJECT_KEY_STRING; |
| 372 | } else { |
| 373 | reader->state = GRPC_JSON_STATE_VALUE_STRING; |
| 374 | } |
Nicolas "Pixel" Noble | acbd867 | 2016-04-28 00:01:16 +0200 | [diff] [blame] | 375 | if (reader->unicode_high_surrogate && c != 'u') { |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 376 | return GRPC_JSON_PARSE_ERROR; |
Nicolas "Pixel" Noble | acbd867 | 2016-04-28 00:01:16 +0200 | [diff] [blame] | 377 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 378 | switch (c) { |
| 379 | case '"': |
| 380 | case '/': |
| 381 | json_reader_string_add_char(reader, c); |
| 382 | break; |
| 383 | case 'b': |
| 384 | json_reader_string_add_char(reader, '\b'); |
| 385 | break; |
| 386 | case 'f': |
| 387 | json_reader_string_add_char(reader, '\f'); |
| 388 | break; |
| 389 | case 'n': |
| 390 | json_reader_string_add_char(reader, '\n'); |
| 391 | break; |
| 392 | case 'r': |
| 393 | json_reader_string_add_char(reader, '\r'); |
| 394 | break; |
| 395 | case 't': |
| 396 | json_reader_string_add_char(reader, '\t'); |
| 397 | break; |
| 398 | case 'u': |
| 399 | reader->state = GRPC_JSON_STATE_STRING_ESCAPE_U1; |
| 400 | reader->unicode_char = 0; |
| 401 | break; |
| 402 | default: |
| 403 | return GRPC_JSON_PARSE_ERROR; |
| 404 | } |
| 405 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 406 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 407 | case GRPC_JSON_STATE_STRING_ESCAPE_U1: |
| 408 | case GRPC_JSON_STATE_STRING_ESCAPE_U2: |
| 409 | case GRPC_JSON_STATE_STRING_ESCAPE_U3: |
| 410 | case GRPC_JSON_STATE_STRING_ESCAPE_U4: |
| 411 | if ((c >= '0') && (c <= '9')) { |
| 412 | c -= '0'; |
| 413 | } else if ((c >= 'A') && (c <= 'F')) { |
| 414 | c -= 'A' - 10; |
| 415 | } else if ((c >= 'a') && (c <= 'f')) { |
| 416 | c -= 'a' - 10; |
| 417 | } else { |
| 418 | return GRPC_JSON_PARSE_ERROR; |
| 419 | } |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 420 | reader->unicode_char = (uint16_t)(reader->unicode_char << 4); |
| 421 | reader->unicode_char = (uint16_t)(reader->unicode_char | c); |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 422 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 423 | switch (reader->state) { |
| 424 | case GRPC_JSON_STATE_STRING_ESCAPE_U1: |
| 425 | reader->state = GRPC_JSON_STATE_STRING_ESCAPE_U2; |
| 426 | break; |
| 427 | case GRPC_JSON_STATE_STRING_ESCAPE_U2: |
| 428 | reader->state = GRPC_JSON_STATE_STRING_ESCAPE_U3; |
| 429 | break; |
| 430 | case GRPC_JSON_STATE_STRING_ESCAPE_U3: |
| 431 | reader->state = GRPC_JSON_STATE_STRING_ESCAPE_U4; |
| 432 | break; |
| 433 | case GRPC_JSON_STATE_STRING_ESCAPE_U4: |
| 434 | /* See grpc_json_writer_escape_string to have a description |
| 435 | * of what's going on here. |
| 436 | */ |
| 437 | if ((reader->unicode_char & 0xfc00) == 0xd800) { |
| 438 | /* high surrogate utf-16 */ |
| 439 | if (reader->unicode_high_surrogate != 0) |
| 440 | return GRPC_JSON_PARSE_ERROR; |
| 441 | reader->unicode_high_surrogate = reader->unicode_char; |
| 442 | } else if ((reader->unicode_char & 0xfc00) == 0xdc00) { |
| 443 | /* low surrogate utf-16 */ |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 444 | uint32_t utf32; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 445 | if (reader->unicode_high_surrogate == 0) |
| 446 | return GRPC_JSON_PARSE_ERROR; |
| 447 | utf32 = 0x10000; |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 448 | utf32 += (uint32_t)( |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 449 | (reader->unicode_high_surrogate - 0xd800) * 0x400); |
Craig Tiller | 7536af0 | 2015-12-22 13:49:30 -0800 | [diff] [blame] | 450 | utf32 += (uint32_t)(reader->unicode_char - 0xdc00); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 451 | json_reader_string_add_utf32(reader, utf32); |
| 452 | reader->unicode_high_surrogate = 0; |
| 453 | } else { |
| 454 | /* anything else */ |
| 455 | if (reader->unicode_high_surrogate != 0) |
| 456 | return GRPC_JSON_PARSE_ERROR; |
| 457 | json_reader_string_add_utf32(reader, reader->unicode_char); |
| 458 | } |
| 459 | if (reader->escaped_string_was_key) { |
| 460 | reader->state = GRPC_JSON_STATE_OBJECT_KEY_STRING; |
| 461 | } else { |
| 462 | reader->state = GRPC_JSON_STATE_VALUE_STRING; |
| 463 | } |
| 464 | break; |
| 465 | default: |
Nicolas "Pixel" Noble | 11c320d | 2015-12-12 01:47:36 +0100 | [diff] [blame] | 466 | GPR_UNREACHABLE_CODE(return GRPC_JSON_INTERNAL_ERROR); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 467 | } |
| 468 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 469 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 470 | case GRPC_JSON_STATE_VALUE_NUMBER: |
| 471 | json_reader_string_add_char(reader, c); |
| 472 | switch (c) { |
| 473 | case '0': |
| 474 | case '1': |
| 475 | case '2': |
| 476 | case '3': |
| 477 | case '4': |
| 478 | case '5': |
| 479 | case '6': |
| 480 | case '7': |
| 481 | case '8': |
| 482 | case '9': |
| 483 | break; |
| 484 | case 'e': |
| 485 | case 'E': |
| 486 | reader->state = GRPC_JSON_STATE_VALUE_NUMBER_E; |
| 487 | break; |
| 488 | case '.': |
| 489 | reader->state = GRPC_JSON_STATE_VALUE_NUMBER_DOT; |
| 490 | break; |
| 491 | default: |
| 492 | return GRPC_JSON_PARSE_ERROR; |
| 493 | } |
| 494 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 495 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 496 | case GRPC_JSON_STATE_VALUE_NUMBER_WITH_DECIMAL: |
| 497 | json_reader_string_add_char(reader, c); |
| 498 | switch (c) { |
| 499 | case '0': |
| 500 | case '1': |
| 501 | case '2': |
| 502 | case '3': |
| 503 | case '4': |
| 504 | case '5': |
| 505 | case '6': |
| 506 | case '7': |
| 507 | case '8': |
| 508 | case '9': |
| 509 | break; |
| 510 | case 'e': |
| 511 | case 'E': |
| 512 | reader->state = GRPC_JSON_STATE_VALUE_NUMBER_E; |
| 513 | break; |
| 514 | default: |
| 515 | return GRPC_JSON_PARSE_ERROR; |
| 516 | } |
| 517 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 518 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 519 | case GRPC_JSON_STATE_VALUE_NUMBER_ZERO: |
| 520 | if (c != '.') return GRPC_JSON_PARSE_ERROR; |
| 521 | json_reader_string_add_char(reader, c); |
| 522 | reader->state = GRPC_JSON_STATE_VALUE_NUMBER_DOT; |
| 523 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 524 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 525 | case GRPC_JSON_STATE_VALUE_NUMBER_DOT: |
| 526 | json_reader_string_add_char(reader, c); |
| 527 | switch (c) { |
| 528 | case '0': |
| 529 | case '1': |
| 530 | case '2': |
| 531 | case '3': |
| 532 | case '4': |
| 533 | case '5': |
| 534 | case '6': |
| 535 | case '7': |
| 536 | case '8': |
| 537 | case '9': |
| 538 | reader->state = GRPC_JSON_STATE_VALUE_NUMBER_WITH_DECIMAL; |
| 539 | break; |
| 540 | default: |
| 541 | return GRPC_JSON_PARSE_ERROR; |
| 542 | } |
| 543 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 544 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 545 | case GRPC_JSON_STATE_VALUE_NUMBER_E: |
| 546 | json_reader_string_add_char(reader, c); |
| 547 | switch (c) { |
| 548 | case '0': |
| 549 | case '1': |
| 550 | case '2': |
| 551 | case '3': |
| 552 | case '4': |
| 553 | case '5': |
| 554 | case '6': |
| 555 | case '7': |
| 556 | case '8': |
| 557 | case '9': |
| 558 | case '+': |
| 559 | case '-': |
| 560 | reader->state = GRPC_JSON_STATE_VALUE_NUMBER_EPM; |
| 561 | break; |
| 562 | default: |
| 563 | return GRPC_JSON_PARSE_ERROR; |
| 564 | } |
| 565 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 566 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 567 | case GRPC_JSON_STATE_VALUE_NUMBER_EPM: |
| 568 | json_reader_string_add_char(reader, c); |
| 569 | switch (c) { |
| 570 | case '0': |
| 571 | case '1': |
| 572 | case '2': |
| 573 | case '3': |
| 574 | case '4': |
| 575 | case '5': |
| 576 | case '6': |
| 577 | case '7': |
| 578 | case '8': |
| 579 | case '9': |
| 580 | break; |
| 581 | default: |
| 582 | return GRPC_JSON_PARSE_ERROR; |
| 583 | } |
| 584 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 585 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 586 | case GRPC_JSON_STATE_VALUE_TRUE_R: |
| 587 | if (c != 'r') return GRPC_JSON_PARSE_ERROR; |
| 588 | reader->state = GRPC_JSON_STATE_VALUE_TRUE_U; |
| 589 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 590 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 591 | case GRPC_JSON_STATE_VALUE_TRUE_U: |
| 592 | if (c != 'u') return GRPC_JSON_PARSE_ERROR; |
| 593 | reader->state = GRPC_JSON_STATE_VALUE_TRUE_E; |
| 594 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 595 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 596 | case GRPC_JSON_STATE_VALUE_TRUE_E: |
| 597 | if (c != 'e') return GRPC_JSON_PARSE_ERROR; |
| 598 | json_reader_set_true(reader); |
| 599 | reader->state = GRPC_JSON_STATE_VALUE_END; |
| 600 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 601 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 602 | case GRPC_JSON_STATE_VALUE_FALSE_A: |
| 603 | if (c != 'a') return GRPC_JSON_PARSE_ERROR; |
| 604 | reader->state = GRPC_JSON_STATE_VALUE_FALSE_L; |
| 605 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 606 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 607 | case GRPC_JSON_STATE_VALUE_FALSE_L: |
| 608 | if (c != 'l') return GRPC_JSON_PARSE_ERROR; |
| 609 | reader->state = GRPC_JSON_STATE_VALUE_FALSE_S; |
| 610 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 611 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 612 | case GRPC_JSON_STATE_VALUE_FALSE_S: |
| 613 | if (c != 's') return GRPC_JSON_PARSE_ERROR; |
| 614 | reader->state = GRPC_JSON_STATE_VALUE_FALSE_E; |
| 615 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 616 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 617 | case GRPC_JSON_STATE_VALUE_FALSE_E: |
| 618 | if (c != 'e') return GRPC_JSON_PARSE_ERROR; |
| 619 | json_reader_set_false(reader); |
| 620 | reader->state = GRPC_JSON_STATE_VALUE_END; |
| 621 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 622 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 623 | case GRPC_JSON_STATE_VALUE_NULL_U: |
| 624 | if (c != 'u') return GRPC_JSON_PARSE_ERROR; |
| 625 | reader->state = GRPC_JSON_STATE_VALUE_NULL_L1; |
| 626 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 627 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 628 | case GRPC_JSON_STATE_VALUE_NULL_L1: |
| 629 | if (c != 'l') return GRPC_JSON_PARSE_ERROR; |
| 630 | reader->state = GRPC_JSON_STATE_VALUE_NULL_L2; |
| 631 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 632 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 633 | case GRPC_JSON_STATE_VALUE_NULL_L2: |
| 634 | if (c != 'l') return GRPC_JSON_PARSE_ERROR; |
| 635 | json_reader_set_null(reader); |
| 636 | reader->state = GRPC_JSON_STATE_VALUE_END; |
| 637 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 638 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 639 | /* All of the VALUE_END cases are handled in the specialized case |
| 640 | * above. */ |
| 641 | case GRPC_JSON_STATE_VALUE_END: |
| 642 | switch (c) { |
| 643 | case ',': |
| 644 | case '}': |
| 645 | case ']': |
Nicolas "Pixel" Noble | 11c320d | 2015-12-12 01:47:36 +0100 | [diff] [blame] | 646 | GPR_UNREACHABLE_CODE(return GRPC_JSON_INTERNAL_ERROR); |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 647 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 648 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 649 | default: |
| 650 | return GRPC_JSON_PARSE_ERROR; |
| 651 | } |
| 652 | break; |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 653 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 654 | case GRPC_JSON_STATE_END: |
| 655 | return GRPC_JSON_PARSE_ERROR; |
| 656 | } |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 657 | } |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 658 | } |
Nicolas Noble | 614c2bf | 2015-01-21 15:48:36 -0800 | [diff] [blame] | 659 | |
Nicolas "Pixel" Noble | 11c320d | 2015-12-12 01:47:36 +0100 | [diff] [blame] | 660 | GPR_UNREACHABLE_CODE(return GRPC_JSON_INTERNAL_ERROR); |
Craig Tiller | 190d360 | 2015-02-18 09:23:38 -0800 | [diff] [blame] | 661 | } |