mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | * or more contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. The ASF licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | |
| 20 | package thrift |
| 21 | |
| 22 | import ( |
| 23 | "bufio" |
| 24 | "bytes" |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 25 | "context" |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 26 | "encoding/base64" |
| 27 | "encoding/json" |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 28 | "errors" |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 29 | "fmt" |
| 30 | "io" |
| 31 | "math" |
| 32 | "strconv" |
| 33 | ) |
| 34 | |
| 35 | type _ParseContext int |
| 36 | |
| 37 | const ( |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 38 | _CONTEXT_INVALID _ParseContext = iota |
| 39 | _CONTEXT_IN_TOPLEVEL // 1 |
| 40 | _CONTEXT_IN_LIST_FIRST // 2 |
| 41 | _CONTEXT_IN_LIST // 3 |
| 42 | _CONTEXT_IN_OBJECT_FIRST // 4 |
| 43 | _CONTEXT_IN_OBJECT_NEXT_KEY // 5 |
| 44 | _CONTEXT_IN_OBJECT_NEXT_VALUE // 6 |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 45 | ) |
| 46 | |
| 47 | func (p _ParseContext) String() string { |
| 48 | switch p { |
| 49 | case _CONTEXT_IN_TOPLEVEL: |
| 50 | return "TOPLEVEL" |
| 51 | case _CONTEXT_IN_LIST_FIRST: |
| 52 | return "LIST-FIRST" |
| 53 | case _CONTEXT_IN_LIST: |
| 54 | return "LIST" |
| 55 | case _CONTEXT_IN_OBJECT_FIRST: |
| 56 | return "OBJECT-FIRST" |
| 57 | case _CONTEXT_IN_OBJECT_NEXT_KEY: |
| 58 | return "OBJECT-NEXT-KEY" |
| 59 | case _CONTEXT_IN_OBJECT_NEXT_VALUE: |
| 60 | return "OBJECT-NEXT-VALUE" |
| 61 | } |
| 62 | return "UNKNOWN-PARSE-CONTEXT" |
| 63 | } |
| 64 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 65 | type jsonContextStack []_ParseContext |
| 66 | |
| 67 | func (s *jsonContextStack) push(v _ParseContext) { |
| 68 | *s = append(*s, v) |
| 69 | } |
| 70 | |
| 71 | func (s jsonContextStack) peek() (v _ParseContext, ok bool) { |
| 72 | l := len(s) |
| 73 | if l <= 0 { |
| 74 | return |
| 75 | } |
| 76 | return s[l-1], true |
| 77 | } |
| 78 | |
| 79 | func (s *jsonContextStack) pop() (v _ParseContext, ok bool) { |
| 80 | l := len(*s) |
| 81 | if l <= 0 { |
| 82 | return |
| 83 | } |
| 84 | v = (*s)[l-1] |
| 85 | *s = (*s)[0 : l-1] |
| 86 | return v, true |
| 87 | } |
| 88 | |
| 89 | var errEmptyJSONContextStack = NewTProtocolExceptionWithType(INVALID_DATA, errors.New("Unexpected empty json protocol context stack")) |
| 90 | |
| 91 | // Simple JSON protocol implementation for thrift. |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 92 | // |
| 93 | // This protocol produces/consumes a simple output format |
| 94 | // suitable for parsing by scripting languages. It should not be |
| 95 | // confused with the full-featured TJSONProtocol. |
| 96 | // |
| 97 | type TSimpleJSONProtocol struct { |
| 98 | trans TTransport |
| 99 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 100 | parseContextStack jsonContextStack |
| 101 | dumpContext jsonContextStack |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 102 | |
| 103 | writer *bufio.Writer |
| 104 | reader *bufio.Reader |
| 105 | } |
| 106 | |
| 107 | // Constructor |
| 108 | func NewTSimpleJSONProtocol(t TTransport) *TSimpleJSONProtocol { |
| 109 | v := &TSimpleJSONProtocol{trans: t, |
| 110 | writer: bufio.NewWriter(t), |
| 111 | reader: bufio.NewReader(t), |
| 112 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 113 | v.parseContextStack.push(_CONTEXT_IN_TOPLEVEL) |
| 114 | v.dumpContext.push(_CONTEXT_IN_TOPLEVEL) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 115 | return v |
| 116 | } |
| 117 | |
| 118 | // Factory |
| 119 | type TSimpleJSONProtocolFactory struct{} |
| 120 | |
| 121 | func (p *TSimpleJSONProtocolFactory) GetProtocol(trans TTransport) TProtocol { |
| 122 | return NewTSimpleJSONProtocol(trans) |
| 123 | } |
| 124 | |
| 125 | func NewTSimpleJSONProtocolFactory() *TSimpleJSONProtocolFactory { |
| 126 | return &TSimpleJSONProtocolFactory{} |
| 127 | } |
| 128 | |
| 129 | var ( |
| 130 | JSON_COMMA []byte |
| 131 | JSON_COLON []byte |
| 132 | JSON_LBRACE []byte |
| 133 | JSON_RBRACE []byte |
| 134 | JSON_LBRACKET []byte |
| 135 | JSON_RBRACKET []byte |
| 136 | JSON_QUOTE byte |
| 137 | JSON_QUOTE_BYTES []byte |
| 138 | JSON_NULL []byte |
| 139 | JSON_TRUE []byte |
| 140 | JSON_FALSE []byte |
| 141 | JSON_INFINITY string |
| 142 | JSON_NEGATIVE_INFINITY string |
| 143 | JSON_NAN string |
| 144 | JSON_INFINITY_BYTES []byte |
| 145 | JSON_NEGATIVE_INFINITY_BYTES []byte |
| 146 | JSON_NAN_BYTES []byte |
| 147 | json_nonbase_map_elem_bytes []byte |
| 148 | ) |
| 149 | |
| 150 | func init() { |
| 151 | JSON_COMMA = []byte{','} |
| 152 | JSON_COLON = []byte{':'} |
| 153 | JSON_LBRACE = []byte{'{'} |
| 154 | JSON_RBRACE = []byte{'}'} |
| 155 | JSON_LBRACKET = []byte{'['} |
| 156 | JSON_RBRACKET = []byte{']'} |
| 157 | JSON_QUOTE = '"' |
| 158 | JSON_QUOTE_BYTES = []byte{'"'} |
| 159 | JSON_NULL = []byte{'n', 'u', 'l', 'l'} |
| 160 | JSON_TRUE = []byte{'t', 'r', 'u', 'e'} |
| 161 | JSON_FALSE = []byte{'f', 'a', 'l', 's', 'e'} |
| 162 | JSON_INFINITY = "Infinity" |
| 163 | JSON_NEGATIVE_INFINITY = "-Infinity" |
| 164 | JSON_NAN = "NaN" |
| 165 | JSON_INFINITY_BYTES = []byte{'I', 'n', 'f', 'i', 'n', 'i', 't', 'y'} |
| 166 | JSON_NEGATIVE_INFINITY_BYTES = []byte{'-', 'I', 'n', 'f', 'i', 'n', 'i', 't', 'y'} |
| 167 | JSON_NAN_BYTES = []byte{'N', 'a', 'N'} |
| 168 | json_nonbase_map_elem_bytes = []byte{']', ',', '['} |
| 169 | } |
| 170 | |
| 171 | func jsonQuote(s string) string { |
| 172 | b, _ := json.Marshal(s) |
| 173 | s1 := string(b) |
| 174 | return s1 |
| 175 | } |
| 176 | |
| 177 | func jsonUnquote(s string) (string, bool) { |
| 178 | s1 := new(string) |
| 179 | err := json.Unmarshal([]byte(s), s1) |
| 180 | return *s1, err == nil |
| 181 | } |
| 182 | |
| 183 | func mismatch(expected, actual string) error { |
| 184 | return fmt.Errorf("Expected '%s' but found '%s' while parsing JSON.", expected, actual) |
| 185 | } |
| 186 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 187 | func (p *TSimpleJSONProtocol) WriteMessageBegin(ctx context.Context, name string, typeId TMessageType, seqId int32) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 188 | p.resetContextStack() // THRIFT-3735 |
| 189 | if e := p.OutputListBegin(); e != nil { |
| 190 | return e |
| 191 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 192 | if e := p.WriteString(ctx, name); e != nil { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 193 | return e |
| 194 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 195 | if e := p.WriteByte(ctx, int8(typeId)); e != nil { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 196 | return e |
| 197 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 198 | if e := p.WriteI32(ctx, seqId); e != nil { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 199 | return e |
| 200 | } |
| 201 | return nil |
| 202 | } |
| 203 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 204 | func (p *TSimpleJSONProtocol) WriteMessageEnd(ctx context.Context) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 205 | return p.OutputListEnd() |
| 206 | } |
| 207 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 208 | func (p *TSimpleJSONProtocol) WriteStructBegin(ctx context.Context, name string) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 209 | if e := p.OutputObjectBegin(); e != nil { |
| 210 | return e |
| 211 | } |
| 212 | return nil |
| 213 | } |
| 214 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 215 | func (p *TSimpleJSONProtocol) WriteStructEnd(ctx context.Context) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 216 | return p.OutputObjectEnd() |
| 217 | } |
| 218 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 219 | func (p *TSimpleJSONProtocol) WriteFieldBegin(ctx context.Context, name string, typeId TType, id int16) error { |
| 220 | if e := p.WriteString(ctx, name); e != nil { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 221 | return e |
| 222 | } |
| 223 | return nil |
| 224 | } |
| 225 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 226 | func (p *TSimpleJSONProtocol) WriteFieldEnd(ctx context.Context) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 227 | return nil |
| 228 | } |
| 229 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 230 | func (p *TSimpleJSONProtocol) WriteFieldStop(ctx context.Context) error { return nil } |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 231 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 232 | func (p *TSimpleJSONProtocol) WriteMapBegin(ctx context.Context, keyType TType, valueType TType, size int) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 233 | if e := p.OutputListBegin(); e != nil { |
| 234 | return e |
| 235 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 236 | if e := p.WriteByte(ctx, int8(keyType)); e != nil { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 237 | return e |
| 238 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 239 | if e := p.WriteByte(ctx, int8(valueType)); e != nil { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 240 | return e |
| 241 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 242 | return p.WriteI32(ctx, int32(size)) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 243 | } |
| 244 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 245 | func (p *TSimpleJSONProtocol) WriteMapEnd(ctx context.Context) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 246 | return p.OutputListEnd() |
| 247 | } |
| 248 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 249 | func (p *TSimpleJSONProtocol) WriteListBegin(ctx context.Context, elemType TType, size int) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 250 | return p.OutputElemListBegin(elemType, size) |
| 251 | } |
| 252 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 253 | func (p *TSimpleJSONProtocol) WriteListEnd(ctx context.Context) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 254 | return p.OutputListEnd() |
| 255 | } |
| 256 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 257 | func (p *TSimpleJSONProtocol) WriteSetBegin(ctx context.Context, elemType TType, size int) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 258 | return p.OutputElemListBegin(elemType, size) |
| 259 | } |
| 260 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 261 | func (p *TSimpleJSONProtocol) WriteSetEnd(ctx context.Context) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 262 | return p.OutputListEnd() |
| 263 | } |
| 264 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 265 | func (p *TSimpleJSONProtocol) WriteBool(ctx context.Context, b bool) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 266 | return p.OutputBool(b) |
| 267 | } |
| 268 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 269 | func (p *TSimpleJSONProtocol) WriteByte(ctx context.Context, b int8) error { |
| 270 | return p.WriteI32(ctx, int32(b)) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 271 | } |
| 272 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 273 | func (p *TSimpleJSONProtocol) WriteI16(ctx context.Context, v int16) error { |
| 274 | return p.WriteI32(ctx, int32(v)) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 275 | } |
| 276 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 277 | func (p *TSimpleJSONProtocol) WriteI32(ctx context.Context, v int32) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 278 | return p.OutputI64(int64(v)) |
| 279 | } |
| 280 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 281 | func (p *TSimpleJSONProtocol) WriteI64(ctx context.Context, v int64) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 282 | return p.OutputI64(int64(v)) |
| 283 | } |
| 284 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 285 | func (p *TSimpleJSONProtocol) WriteDouble(ctx context.Context, v float64) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 286 | return p.OutputF64(v) |
| 287 | } |
| 288 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 289 | func (p *TSimpleJSONProtocol) WriteString(ctx context.Context, v string) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 290 | return p.OutputString(v) |
| 291 | } |
| 292 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 293 | func (p *TSimpleJSONProtocol) WriteBinary(ctx context.Context, v []byte) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 294 | // JSON library only takes in a string, |
| 295 | // not an arbitrary byte array, to ensure bytes are transmitted |
| 296 | // efficiently we must convert this into a valid JSON string |
| 297 | // therefore we use base64 encoding to avoid excessive escaping/quoting |
| 298 | if e := p.OutputPreValue(); e != nil { |
| 299 | return e |
| 300 | } |
| 301 | if _, e := p.write(JSON_QUOTE_BYTES); e != nil { |
| 302 | return NewTProtocolException(e) |
| 303 | } |
| 304 | writer := base64.NewEncoder(base64.StdEncoding, p.writer) |
| 305 | if _, e := writer.Write(v); e != nil { |
| 306 | p.writer.Reset(p.trans) // THRIFT-3735 |
| 307 | return NewTProtocolException(e) |
| 308 | } |
| 309 | if e := writer.Close(); e != nil { |
| 310 | return NewTProtocolException(e) |
| 311 | } |
| 312 | if _, e := p.write(JSON_QUOTE_BYTES); e != nil { |
| 313 | return NewTProtocolException(e) |
| 314 | } |
| 315 | return p.OutputPostValue() |
| 316 | } |
| 317 | |
| 318 | // Reading methods. |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 319 | func (p *TSimpleJSONProtocol) ReadMessageBegin(ctx context.Context) (name string, typeId TMessageType, seqId int32, err error) { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 320 | p.resetContextStack() // THRIFT-3735 |
| 321 | if isNull, err := p.ParseListBegin(); isNull || err != nil { |
| 322 | return name, typeId, seqId, err |
| 323 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 324 | if name, err = p.ReadString(ctx); err != nil { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 325 | return name, typeId, seqId, err |
| 326 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 327 | bTypeId, err := p.ReadByte(ctx) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 328 | typeId = TMessageType(bTypeId) |
| 329 | if err != nil { |
| 330 | return name, typeId, seqId, err |
| 331 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 332 | if seqId, err = p.ReadI32(ctx); err != nil { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 333 | return name, typeId, seqId, err |
| 334 | } |
| 335 | return name, typeId, seqId, nil |
| 336 | } |
| 337 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 338 | func (p *TSimpleJSONProtocol) ReadMessageEnd(ctx context.Context) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 339 | return p.ParseListEnd() |
| 340 | } |
| 341 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 342 | func (p *TSimpleJSONProtocol) ReadStructBegin(ctx context.Context) (name string, err error) { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 343 | _, err = p.ParseObjectStart() |
| 344 | return "", err |
| 345 | } |
| 346 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 347 | func (p *TSimpleJSONProtocol) ReadStructEnd(ctx context.Context) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 348 | return p.ParseObjectEnd() |
| 349 | } |
| 350 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 351 | func (p *TSimpleJSONProtocol) ReadFieldBegin(ctx context.Context) (string, TType, int16, error) { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 352 | if err := p.ParsePreValue(); err != nil { |
| 353 | return "", STOP, 0, err |
| 354 | } |
| 355 | b, _ := p.reader.Peek(1) |
| 356 | if len(b) > 0 { |
| 357 | switch b[0] { |
| 358 | case JSON_RBRACE[0]: |
| 359 | return "", STOP, 0, nil |
| 360 | case JSON_QUOTE: |
| 361 | p.reader.ReadByte() |
| 362 | name, err := p.ParseStringBody() |
| 363 | // simplejson is not meant to be read back into thrift |
| 364 | // - see http://wiki.apache.org/thrift/ThriftUsageJava |
| 365 | // - use JSON instead |
| 366 | if err != nil { |
| 367 | return name, STOP, 0, err |
| 368 | } |
| 369 | return name, STOP, -1, p.ParsePostValue() |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 370 | } |
| 371 | e := fmt.Errorf("Expected \"}\" or '\"', but found: '%s'", string(b)) |
| 372 | return "", STOP, 0, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 373 | } |
| 374 | return "", STOP, 0, NewTProtocolException(io.EOF) |
| 375 | } |
| 376 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 377 | func (p *TSimpleJSONProtocol) ReadFieldEnd(ctx context.Context) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 378 | return nil |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 379 | } |
| 380 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 381 | func (p *TSimpleJSONProtocol) ReadMapBegin(ctx context.Context) (keyType TType, valueType TType, size int, e error) { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 382 | if isNull, e := p.ParseListBegin(); isNull || e != nil { |
| 383 | return VOID, VOID, 0, e |
| 384 | } |
| 385 | |
| 386 | // read keyType |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 387 | bKeyType, e := p.ReadByte(ctx) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 388 | keyType = TType(bKeyType) |
| 389 | if e != nil { |
| 390 | return keyType, valueType, size, e |
| 391 | } |
| 392 | |
| 393 | // read valueType |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 394 | bValueType, e := p.ReadByte(ctx) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 395 | valueType = TType(bValueType) |
| 396 | if e != nil { |
| 397 | return keyType, valueType, size, e |
| 398 | } |
| 399 | |
| 400 | // read size |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 401 | iSize, err := p.ReadI64(ctx) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 402 | size = int(iSize) |
| 403 | return keyType, valueType, size, err |
| 404 | } |
| 405 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 406 | func (p *TSimpleJSONProtocol) ReadMapEnd(ctx context.Context) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 407 | return p.ParseListEnd() |
| 408 | } |
| 409 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 410 | func (p *TSimpleJSONProtocol) ReadListBegin(ctx context.Context) (elemType TType, size int, e error) { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 411 | return p.ParseElemListBegin() |
| 412 | } |
| 413 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 414 | func (p *TSimpleJSONProtocol) ReadListEnd(ctx context.Context) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 415 | return p.ParseListEnd() |
| 416 | } |
| 417 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 418 | func (p *TSimpleJSONProtocol) ReadSetBegin(ctx context.Context) (elemType TType, size int, e error) { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 419 | return p.ParseElemListBegin() |
| 420 | } |
| 421 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 422 | func (p *TSimpleJSONProtocol) ReadSetEnd(ctx context.Context) error { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 423 | return p.ParseListEnd() |
| 424 | } |
| 425 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 426 | func (p *TSimpleJSONProtocol) ReadBool(ctx context.Context) (bool, error) { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 427 | var value bool |
| 428 | |
| 429 | if err := p.ParsePreValue(); err != nil { |
| 430 | return value, err |
| 431 | } |
| 432 | f, _ := p.reader.Peek(1) |
| 433 | if len(f) > 0 { |
| 434 | switch f[0] { |
| 435 | case JSON_TRUE[0]: |
| 436 | b := make([]byte, len(JSON_TRUE)) |
| 437 | _, err := p.reader.Read(b) |
| 438 | if err != nil { |
| 439 | return false, NewTProtocolException(err) |
| 440 | } |
| 441 | if string(b) == string(JSON_TRUE) { |
| 442 | value = true |
| 443 | } else { |
| 444 | e := fmt.Errorf("Expected \"true\" but found: %s", string(b)) |
| 445 | return value, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 446 | } |
| 447 | break |
| 448 | case JSON_FALSE[0]: |
| 449 | b := make([]byte, len(JSON_FALSE)) |
| 450 | _, err := p.reader.Read(b) |
| 451 | if err != nil { |
| 452 | return false, NewTProtocolException(err) |
| 453 | } |
| 454 | if string(b) == string(JSON_FALSE) { |
| 455 | value = false |
| 456 | } else { |
| 457 | e := fmt.Errorf("Expected \"false\" but found: %s", string(b)) |
| 458 | return value, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 459 | } |
| 460 | break |
| 461 | case JSON_NULL[0]: |
| 462 | b := make([]byte, len(JSON_NULL)) |
| 463 | _, err := p.reader.Read(b) |
| 464 | if err != nil { |
| 465 | return false, NewTProtocolException(err) |
| 466 | } |
| 467 | if string(b) == string(JSON_NULL) { |
| 468 | value = false |
| 469 | } else { |
| 470 | e := fmt.Errorf("Expected \"null\" but found: %s", string(b)) |
| 471 | return value, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 472 | } |
| 473 | default: |
| 474 | e := fmt.Errorf("Expected \"true\", \"false\", or \"null\" but found: %s", string(f)) |
| 475 | return value, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 476 | } |
| 477 | } |
| 478 | return value, p.ParsePostValue() |
| 479 | } |
| 480 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 481 | func (p *TSimpleJSONProtocol) ReadByte(ctx context.Context) (int8, error) { |
| 482 | v, err := p.ReadI64(ctx) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 483 | return int8(v), err |
| 484 | } |
| 485 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 486 | func (p *TSimpleJSONProtocol) ReadI16(ctx context.Context) (int16, error) { |
| 487 | v, err := p.ReadI64(ctx) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 488 | return int16(v), err |
| 489 | } |
| 490 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 491 | func (p *TSimpleJSONProtocol) ReadI32(ctx context.Context) (int32, error) { |
| 492 | v, err := p.ReadI64(ctx) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 493 | return int32(v), err |
| 494 | } |
| 495 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 496 | func (p *TSimpleJSONProtocol) ReadI64(ctx context.Context) (int64, error) { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 497 | v, _, err := p.ParseI64() |
| 498 | return v, err |
| 499 | } |
| 500 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 501 | func (p *TSimpleJSONProtocol) ReadDouble(ctx context.Context) (float64, error) { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 502 | v, _, err := p.ParseF64() |
| 503 | return v, err |
| 504 | } |
| 505 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 506 | func (p *TSimpleJSONProtocol) ReadString(ctx context.Context) (string, error) { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 507 | var v string |
| 508 | if err := p.ParsePreValue(); err != nil { |
| 509 | return v, err |
| 510 | } |
| 511 | f, _ := p.reader.Peek(1) |
| 512 | if len(f) > 0 && f[0] == JSON_QUOTE { |
| 513 | p.reader.ReadByte() |
| 514 | value, err := p.ParseStringBody() |
| 515 | v = value |
| 516 | if err != nil { |
| 517 | return v, err |
| 518 | } |
| 519 | } else if len(f) > 0 && f[0] == JSON_NULL[0] { |
| 520 | b := make([]byte, len(JSON_NULL)) |
| 521 | _, err := p.reader.Read(b) |
| 522 | if err != nil { |
| 523 | return v, NewTProtocolException(err) |
| 524 | } |
| 525 | if string(b) != string(JSON_NULL) { |
| 526 | e := fmt.Errorf("Expected a JSON string, found unquoted data started with %s", string(b)) |
| 527 | return v, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 528 | } |
| 529 | } else { |
| 530 | e := fmt.Errorf("Expected a JSON string, found unquoted data started with %s", string(f)) |
| 531 | return v, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 532 | } |
| 533 | return v, p.ParsePostValue() |
| 534 | } |
| 535 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 536 | func (p *TSimpleJSONProtocol) ReadBinary(ctx context.Context) ([]byte, error) { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 537 | var v []byte |
| 538 | if err := p.ParsePreValue(); err != nil { |
| 539 | return nil, err |
| 540 | } |
| 541 | f, _ := p.reader.Peek(1) |
| 542 | if len(f) > 0 && f[0] == JSON_QUOTE { |
| 543 | p.reader.ReadByte() |
| 544 | value, err := p.ParseBase64EncodedBody() |
| 545 | v = value |
| 546 | if err != nil { |
| 547 | return v, err |
| 548 | } |
| 549 | } else if len(f) > 0 && f[0] == JSON_NULL[0] { |
| 550 | b := make([]byte, len(JSON_NULL)) |
| 551 | _, err := p.reader.Read(b) |
| 552 | if err != nil { |
| 553 | return v, NewTProtocolException(err) |
| 554 | } |
| 555 | if string(b) != string(JSON_NULL) { |
| 556 | e := fmt.Errorf("Expected a JSON string, found unquoted data started with %s", string(b)) |
| 557 | return v, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 558 | } |
| 559 | } else { |
| 560 | e := fmt.Errorf("Expected a JSON string, found unquoted data started with %s", string(f)) |
| 561 | return v, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 562 | } |
| 563 | |
| 564 | return v, p.ParsePostValue() |
| 565 | } |
| 566 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 567 | func (p *TSimpleJSONProtocol) Flush(ctx context.Context) (err error) { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 568 | return NewTProtocolException(p.writer.Flush()) |
| 569 | } |
| 570 | |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 571 | func (p *TSimpleJSONProtocol) Skip(ctx context.Context, fieldType TType) (err error) { |
| 572 | return SkipDefaultDepth(ctx, p, fieldType) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 573 | } |
| 574 | |
| 575 | func (p *TSimpleJSONProtocol) Transport() TTransport { |
| 576 | return p.trans |
| 577 | } |
| 578 | |
| 579 | func (p *TSimpleJSONProtocol) OutputPreValue() error { |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 580 | cxt, ok := p.dumpContext.peek() |
| 581 | if !ok { |
| 582 | return errEmptyJSONContextStack |
| 583 | } |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 584 | switch cxt { |
| 585 | case _CONTEXT_IN_LIST, _CONTEXT_IN_OBJECT_NEXT_KEY: |
| 586 | if _, e := p.write(JSON_COMMA); e != nil { |
| 587 | return NewTProtocolException(e) |
| 588 | } |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 589 | case _CONTEXT_IN_OBJECT_NEXT_VALUE: |
| 590 | if _, e := p.write(JSON_COLON); e != nil { |
| 591 | return NewTProtocolException(e) |
| 592 | } |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 593 | } |
| 594 | return nil |
| 595 | } |
| 596 | |
| 597 | func (p *TSimpleJSONProtocol) OutputPostValue() error { |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 598 | cxt, ok := p.dumpContext.peek() |
| 599 | if !ok { |
| 600 | return errEmptyJSONContextStack |
| 601 | } |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 602 | switch cxt { |
| 603 | case _CONTEXT_IN_LIST_FIRST: |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 604 | p.dumpContext.pop() |
| 605 | p.dumpContext.push(_CONTEXT_IN_LIST) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 606 | case _CONTEXT_IN_OBJECT_FIRST: |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 607 | p.dumpContext.pop() |
| 608 | p.dumpContext.push(_CONTEXT_IN_OBJECT_NEXT_VALUE) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 609 | case _CONTEXT_IN_OBJECT_NEXT_KEY: |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 610 | p.dumpContext.pop() |
| 611 | p.dumpContext.push(_CONTEXT_IN_OBJECT_NEXT_VALUE) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 612 | case _CONTEXT_IN_OBJECT_NEXT_VALUE: |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 613 | p.dumpContext.pop() |
| 614 | p.dumpContext.push(_CONTEXT_IN_OBJECT_NEXT_KEY) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 615 | } |
| 616 | return nil |
| 617 | } |
| 618 | |
| 619 | func (p *TSimpleJSONProtocol) OutputBool(value bool) error { |
| 620 | if e := p.OutputPreValue(); e != nil { |
| 621 | return e |
| 622 | } |
| 623 | var v string |
| 624 | if value { |
| 625 | v = string(JSON_TRUE) |
| 626 | } else { |
| 627 | v = string(JSON_FALSE) |
| 628 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 629 | cxt, ok := p.dumpContext.peek() |
| 630 | if !ok { |
| 631 | return errEmptyJSONContextStack |
| 632 | } |
| 633 | switch cxt { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 634 | case _CONTEXT_IN_OBJECT_FIRST, _CONTEXT_IN_OBJECT_NEXT_KEY: |
| 635 | v = jsonQuote(v) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 636 | } |
| 637 | if e := p.OutputStringData(v); e != nil { |
| 638 | return e |
| 639 | } |
| 640 | return p.OutputPostValue() |
| 641 | } |
| 642 | |
| 643 | func (p *TSimpleJSONProtocol) OutputNull() error { |
| 644 | if e := p.OutputPreValue(); e != nil { |
| 645 | return e |
| 646 | } |
| 647 | if _, e := p.write(JSON_NULL); e != nil { |
| 648 | return NewTProtocolException(e) |
| 649 | } |
| 650 | return p.OutputPostValue() |
| 651 | } |
| 652 | |
| 653 | func (p *TSimpleJSONProtocol) OutputF64(value float64) error { |
| 654 | if e := p.OutputPreValue(); e != nil { |
| 655 | return e |
| 656 | } |
| 657 | var v string |
| 658 | if math.IsNaN(value) { |
| 659 | v = string(JSON_QUOTE) + JSON_NAN + string(JSON_QUOTE) |
| 660 | } else if math.IsInf(value, 1) { |
| 661 | v = string(JSON_QUOTE) + JSON_INFINITY + string(JSON_QUOTE) |
| 662 | } else if math.IsInf(value, -1) { |
| 663 | v = string(JSON_QUOTE) + JSON_NEGATIVE_INFINITY + string(JSON_QUOTE) |
| 664 | } else { |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 665 | cxt, ok := p.dumpContext.peek() |
| 666 | if !ok { |
| 667 | return errEmptyJSONContextStack |
| 668 | } |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 669 | v = strconv.FormatFloat(value, 'g', -1, 64) |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 670 | switch cxt { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 671 | case _CONTEXT_IN_OBJECT_FIRST, _CONTEXT_IN_OBJECT_NEXT_KEY: |
| 672 | v = string(JSON_QUOTE) + v + string(JSON_QUOTE) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 673 | } |
| 674 | } |
| 675 | if e := p.OutputStringData(v); e != nil { |
| 676 | return e |
| 677 | } |
| 678 | return p.OutputPostValue() |
| 679 | } |
| 680 | |
| 681 | func (p *TSimpleJSONProtocol) OutputI64(value int64) error { |
| 682 | if e := p.OutputPreValue(); e != nil { |
| 683 | return e |
| 684 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 685 | cxt, ok := p.dumpContext.peek() |
| 686 | if !ok { |
| 687 | return errEmptyJSONContextStack |
| 688 | } |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 689 | v := strconv.FormatInt(value, 10) |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 690 | switch cxt { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 691 | case _CONTEXT_IN_OBJECT_FIRST, _CONTEXT_IN_OBJECT_NEXT_KEY: |
| 692 | v = jsonQuote(v) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 693 | } |
| 694 | if e := p.OutputStringData(v); e != nil { |
| 695 | return e |
| 696 | } |
| 697 | return p.OutputPostValue() |
| 698 | } |
| 699 | |
| 700 | func (p *TSimpleJSONProtocol) OutputString(s string) error { |
| 701 | if e := p.OutputPreValue(); e != nil { |
| 702 | return e |
| 703 | } |
| 704 | if e := p.OutputStringData(jsonQuote(s)); e != nil { |
| 705 | return e |
| 706 | } |
| 707 | return p.OutputPostValue() |
| 708 | } |
| 709 | |
| 710 | func (p *TSimpleJSONProtocol) OutputStringData(s string) error { |
| 711 | _, e := p.write([]byte(s)) |
| 712 | return NewTProtocolException(e) |
| 713 | } |
| 714 | |
| 715 | func (p *TSimpleJSONProtocol) OutputObjectBegin() error { |
| 716 | if e := p.OutputPreValue(); e != nil { |
| 717 | return e |
| 718 | } |
| 719 | if _, e := p.write(JSON_LBRACE); e != nil { |
| 720 | return NewTProtocolException(e) |
| 721 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 722 | p.dumpContext.push(_CONTEXT_IN_OBJECT_FIRST) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 723 | return nil |
| 724 | } |
| 725 | |
| 726 | func (p *TSimpleJSONProtocol) OutputObjectEnd() error { |
| 727 | if _, e := p.write(JSON_RBRACE); e != nil { |
| 728 | return NewTProtocolException(e) |
| 729 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 730 | _, ok := p.dumpContext.pop() |
| 731 | if !ok { |
| 732 | return errEmptyJSONContextStack |
| 733 | } |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 734 | if e := p.OutputPostValue(); e != nil { |
| 735 | return e |
| 736 | } |
| 737 | return nil |
| 738 | } |
| 739 | |
| 740 | func (p *TSimpleJSONProtocol) OutputListBegin() error { |
| 741 | if e := p.OutputPreValue(); e != nil { |
| 742 | return e |
| 743 | } |
| 744 | if _, e := p.write(JSON_LBRACKET); e != nil { |
| 745 | return NewTProtocolException(e) |
| 746 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 747 | p.dumpContext.push(_CONTEXT_IN_LIST_FIRST) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 748 | return nil |
| 749 | } |
| 750 | |
| 751 | func (p *TSimpleJSONProtocol) OutputListEnd() error { |
| 752 | if _, e := p.write(JSON_RBRACKET); e != nil { |
| 753 | return NewTProtocolException(e) |
| 754 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 755 | _, ok := p.dumpContext.pop() |
| 756 | if !ok { |
| 757 | return errEmptyJSONContextStack |
| 758 | } |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 759 | if e := p.OutputPostValue(); e != nil { |
| 760 | return e |
| 761 | } |
| 762 | return nil |
| 763 | } |
| 764 | |
| 765 | func (p *TSimpleJSONProtocol) OutputElemListBegin(elemType TType, size int) error { |
| 766 | if e := p.OutputListBegin(); e != nil { |
| 767 | return e |
| 768 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 769 | if e := p.OutputI64(int64(elemType)); e != nil { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 770 | return e |
| 771 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 772 | if e := p.OutputI64(int64(size)); e != nil { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 773 | return e |
| 774 | } |
| 775 | return nil |
| 776 | } |
| 777 | |
| 778 | func (p *TSimpleJSONProtocol) ParsePreValue() error { |
| 779 | if e := p.readNonSignificantWhitespace(); e != nil { |
| 780 | return NewTProtocolException(e) |
| 781 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 782 | cxt, ok := p.parseContextStack.peek() |
| 783 | if !ok { |
| 784 | return errEmptyJSONContextStack |
| 785 | } |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 786 | b, _ := p.reader.Peek(1) |
| 787 | switch cxt { |
| 788 | case _CONTEXT_IN_LIST: |
| 789 | if len(b) > 0 { |
| 790 | switch b[0] { |
| 791 | case JSON_RBRACKET[0]: |
| 792 | return nil |
| 793 | case JSON_COMMA[0]: |
| 794 | p.reader.ReadByte() |
| 795 | if e := p.readNonSignificantWhitespace(); e != nil { |
| 796 | return NewTProtocolException(e) |
| 797 | } |
| 798 | return nil |
| 799 | default: |
| 800 | e := fmt.Errorf("Expected \"]\" or \",\" in list context, but found \"%s\"", string(b)) |
| 801 | return NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 802 | } |
| 803 | } |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 804 | case _CONTEXT_IN_OBJECT_NEXT_KEY: |
| 805 | if len(b) > 0 { |
| 806 | switch b[0] { |
| 807 | case JSON_RBRACE[0]: |
| 808 | return nil |
| 809 | case JSON_COMMA[0]: |
| 810 | p.reader.ReadByte() |
| 811 | if e := p.readNonSignificantWhitespace(); e != nil { |
| 812 | return NewTProtocolException(e) |
| 813 | } |
| 814 | return nil |
| 815 | default: |
| 816 | e := fmt.Errorf("Expected \"}\" or \",\" in object context, but found \"%s\"", string(b)) |
| 817 | return NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 818 | } |
| 819 | } |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 820 | case _CONTEXT_IN_OBJECT_NEXT_VALUE: |
| 821 | if len(b) > 0 { |
| 822 | switch b[0] { |
| 823 | case JSON_COLON[0]: |
| 824 | p.reader.ReadByte() |
| 825 | if e := p.readNonSignificantWhitespace(); e != nil { |
| 826 | return NewTProtocolException(e) |
| 827 | } |
| 828 | return nil |
| 829 | default: |
| 830 | e := fmt.Errorf("Expected \":\" in object context, but found \"%s\"", string(b)) |
| 831 | return NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 832 | } |
| 833 | } |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 834 | } |
| 835 | return nil |
| 836 | } |
| 837 | |
| 838 | func (p *TSimpleJSONProtocol) ParsePostValue() error { |
| 839 | if e := p.readNonSignificantWhitespace(); e != nil { |
| 840 | return NewTProtocolException(e) |
| 841 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 842 | cxt, ok := p.parseContextStack.peek() |
| 843 | if !ok { |
| 844 | return errEmptyJSONContextStack |
| 845 | } |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 846 | switch cxt { |
| 847 | case _CONTEXT_IN_LIST_FIRST: |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 848 | p.parseContextStack.pop() |
| 849 | p.parseContextStack.push(_CONTEXT_IN_LIST) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 850 | case _CONTEXT_IN_OBJECT_FIRST, _CONTEXT_IN_OBJECT_NEXT_KEY: |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 851 | p.parseContextStack.pop() |
| 852 | p.parseContextStack.push(_CONTEXT_IN_OBJECT_NEXT_VALUE) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 853 | case _CONTEXT_IN_OBJECT_NEXT_VALUE: |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 854 | p.parseContextStack.pop() |
| 855 | p.parseContextStack.push(_CONTEXT_IN_OBJECT_NEXT_KEY) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 856 | } |
| 857 | return nil |
| 858 | } |
| 859 | |
| 860 | func (p *TSimpleJSONProtocol) readNonSignificantWhitespace() error { |
| 861 | for { |
| 862 | b, _ := p.reader.Peek(1) |
| 863 | if len(b) < 1 { |
| 864 | return nil |
| 865 | } |
| 866 | switch b[0] { |
| 867 | case ' ', '\r', '\n', '\t': |
| 868 | p.reader.ReadByte() |
| 869 | continue |
| 870 | default: |
| 871 | break |
| 872 | } |
| 873 | break |
| 874 | } |
| 875 | return nil |
| 876 | } |
| 877 | |
| 878 | func (p *TSimpleJSONProtocol) ParseStringBody() (string, error) { |
| 879 | line, err := p.reader.ReadString(JSON_QUOTE) |
| 880 | if err != nil { |
| 881 | return "", NewTProtocolException(err) |
| 882 | } |
| 883 | l := len(line) |
| 884 | // count number of escapes to see if we need to keep going |
| 885 | i := 1 |
| 886 | for ; i < l; i++ { |
| 887 | if line[l-i-1] != '\\' { |
| 888 | break |
| 889 | } |
| 890 | } |
| 891 | if i&0x01 == 1 { |
| 892 | v, ok := jsonUnquote(string(JSON_QUOTE) + line) |
| 893 | if !ok { |
| 894 | return "", NewTProtocolException(err) |
| 895 | } |
| 896 | return v, nil |
| 897 | } |
| 898 | s, err := p.ParseQuotedStringBody() |
| 899 | if err != nil { |
| 900 | return "", NewTProtocolException(err) |
| 901 | } |
| 902 | str := string(JSON_QUOTE) + line + s |
| 903 | v, ok := jsonUnquote(str) |
| 904 | if !ok { |
| 905 | e := fmt.Errorf("Unable to parse as JSON string %s", str) |
| 906 | return "", NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 907 | } |
| 908 | return v, nil |
| 909 | } |
| 910 | |
| 911 | func (p *TSimpleJSONProtocol) ParseQuotedStringBody() (string, error) { |
| 912 | line, err := p.reader.ReadString(JSON_QUOTE) |
| 913 | if err != nil { |
| 914 | return "", NewTProtocolException(err) |
| 915 | } |
| 916 | l := len(line) |
| 917 | // count number of escapes to see if we need to keep going |
| 918 | i := 1 |
| 919 | for ; i < l; i++ { |
| 920 | if line[l-i-1] != '\\' { |
| 921 | break |
| 922 | } |
| 923 | } |
| 924 | if i&0x01 == 1 { |
| 925 | return line, nil |
| 926 | } |
| 927 | s, err := p.ParseQuotedStringBody() |
| 928 | if err != nil { |
| 929 | return "", NewTProtocolException(err) |
| 930 | } |
| 931 | v := line + s |
| 932 | return v, nil |
| 933 | } |
| 934 | |
| 935 | func (p *TSimpleJSONProtocol) ParseBase64EncodedBody() ([]byte, error) { |
| 936 | line, err := p.reader.ReadBytes(JSON_QUOTE) |
| 937 | if err != nil { |
| 938 | return line, NewTProtocolException(err) |
| 939 | } |
| 940 | line2 := line[0 : len(line)-1] |
| 941 | l := len(line2) |
| 942 | if (l % 4) != 0 { |
| 943 | pad := 4 - (l % 4) |
| 944 | fill := [...]byte{'=', '=', '='} |
| 945 | line2 = append(line2, fill[:pad]...) |
| 946 | l = len(line2) |
| 947 | } |
| 948 | output := make([]byte, base64.StdEncoding.DecodedLen(l)) |
| 949 | n, err := base64.StdEncoding.Decode(output, line2) |
| 950 | return output[0:n], NewTProtocolException(err) |
| 951 | } |
| 952 | |
| 953 | func (p *TSimpleJSONProtocol) ParseI64() (int64, bool, error) { |
| 954 | if err := p.ParsePreValue(); err != nil { |
| 955 | return 0, false, err |
| 956 | } |
| 957 | var value int64 |
| 958 | var isnull bool |
| 959 | if p.safePeekContains(JSON_NULL) { |
| 960 | p.reader.Read(make([]byte, len(JSON_NULL))) |
| 961 | isnull = true |
| 962 | } else { |
| 963 | num, err := p.readNumeric() |
| 964 | isnull = (num == nil) |
| 965 | if !isnull { |
| 966 | value = num.Int64() |
| 967 | } |
| 968 | if err != nil { |
| 969 | return value, isnull, err |
| 970 | } |
| 971 | } |
| 972 | return value, isnull, p.ParsePostValue() |
| 973 | } |
| 974 | |
| 975 | func (p *TSimpleJSONProtocol) ParseF64() (float64, bool, error) { |
| 976 | if err := p.ParsePreValue(); err != nil { |
| 977 | return 0, false, err |
| 978 | } |
| 979 | var value float64 |
| 980 | var isnull bool |
| 981 | if p.safePeekContains(JSON_NULL) { |
| 982 | p.reader.Read(make([]byte, len(JSON_NULL))) |
| 983 | isnull = true |
| 984 | } else { |
| 985 | num, err := p.readNumeric() |
| 986 | isnull = (num == nil) |
| 987 | if !isnull { |
| 988 | value = num.Float64() |
| 989 | } |
| 990 | if err != nil { |
| 991 | return value, isnull, err |
| 992 | } |
| 993 | } |
| 994 | return value, isnull, p.ParsePostValue() |
| 995 | } |
| 996 | |
| 997 | func (p *TSimpleJSONProtocol) ParseObjectStart() (bool, error) { |
| 998 | if err := p.ParsePreValue(); err != nil { |
| 999 | return false, err |
| 1000 | } |
| 1001 | var b []byte |
| 1002 | b, err := p.reader.Peek(1) |
| 1003 | if err != nil { |
| 1004 | return false, err |
| 1005 | } |
| 1006 | if len(b) > 0 && b[0] == JSON_LBRACE[0] { |
| 1007 | p.reader.ReadByte() |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 1008 | p.parseContextStack.push(_CONTEXT_IN_OBJECT_FIRST) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 1009 | return false, nil |
| 1010 | } else if p.safePeekContains(JSON_NULL) { |
| 1011 | return true, nil |
| 1012 | } |
| 1013 | e := fmt.Errorf("Expected '{' or null, but found '%s'", string(b)) |
| 1014 | return false, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1015 | } |
| 1016 | |
| 1017 | func (p *TSimpleJSONProtocol) ParseObjectEnd() error { |
| 1018 | if isNull, err := p.readIfNull(); isNull || err != nil { |
| 1019 | return err |
| 1020 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 1021 | cxt, _ := p.parseContextStack.peek() |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 1022 | if (cxt != _CONTEXT_IN_OBJECT_FIRST) && (cxt != _CONTEXT_IN_OBJECT_NEXT_KEY) { |
| 1023 | e := fmt.Errorf("Expected to be in the Object Context, but not in Object Context (%d)", cxt) |
| 1024 | return NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1025 | } |
| 1026 | line, err := p.reader.ReadString(JSON_RBRACE[0]) |
| 1027 | if err != nil { |
| 1028 | return NewTProtocolException(err) |
| 1029 | } |
| 1030 | for _, char := range line { |
| 1031 | switch char { |
| 1032 | default: |
| 1033 | e := fmt.Errorf("Expecting end of object \"}\", but found: \"%s\"", line) |
| 1034 | return NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1035 | case ' ', '\n', '\r', '\t', '}': |
| 1036 | break |
| 1037 | } |
| 1038 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 1039 | p.parseContextStack.pop() |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 1040 | return p.ParsePostValue() |
| 1041 | } |
| 1042 | |
| 1043 | func (p *TSimpleJSONProtocol) ParseListBegin() (isNull bool, err error) { |
| 1044 | if e := p.ParsePreValue(); e != nil { |
| 1045 | return false, e |
| 1046 | } |
| 1047 | var b []byte |
| 1048 | b, err = p.reader.Peek(1) |
| 1049 | if err != nil { |
| 1050 | return false, err |
| 1051 | } |
| 1052 | if len(b) >= 1 && b[0] == JSON_LBRACKET[0] { |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 1053 | p.parseContextStack.push(_CONTEXT_IN_LIST_FIRST) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 1054 | p.reader.ReadByte() |
| 1055 | isNull = false |
| 1056 | } else if p.safePeekContains(JSON_NULL) { |
| 1057 | isNull = true |
| 1058 | } else { |
| 1059 | err = fmt.Errorf("Expected \"null\" or \"[\", received %q", b) |
| 1060 | } |
| 1061 | return isNull, NewTProtocolExceptionWithType(INVALID_DATA, err) |
| 1062 | } |
| 1063 | |
| 1064 | func (p *TSimpleJSONProtocol) ParseElemListBegin() (elemType TType, size int, e error) { |
| 1065 | if isNull, e := p.ParseListBegin(); isNull || e != nil { |
| 1066 | return VOID, 0, e |
| 1067 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 1068 | bElemType, _, err := p.ParseI64() |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 1069 | elemType = TType(bElemType) |
| 1070 | if err != nil { |
| 1071 | return elemType, size, err |
| 1072 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 1073 | nSize, _, err2 := p.ParseI64() |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 1074 | size = int(nSize) |
| 1075 | return elemType, size, err2 |
| 1076 | } |
| 1077 | |
| 1078 | func (p *TSimpleJSONProtocol) ParseListEnd() error { |
| 1079 | if isNull, err := p.readIfNull(); isNull || err != nil { |
| 1080 | return err |
| 1081 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 1082 | cxt, _ := p.parseContextStack.peek() |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 1083 | if cxt != _CONTEXT_IN_LIST { |
| 1084 | e := fmt.Errorf("Expected to be in the List Context, but not in List Context (%d)", cxt) |
| 1085 | return NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1086 | } |
| 1087 | line, err := p.reader.ReadString(JSON_RBRACKET[0]) |
| 1088 | if err != nil { |
| 1089 | return NewTProtocolException(err) |
| 1090 | } |
| 1091 | for _, char := range line { |
| 1092 | switch char { |
| 1093 | default: |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 1094 | e := fmt.Errorf("Expecting end of list \"]\", but found: \"%v\"", line) |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 1095 | return NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1096 | case ' ', '\n', '\r', '\t', rune(JSON_RBRACKET[0]): |
| 1097 | break |
| 1098 | } |
| 1099 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 1100 | p.parseContextStack.pop() |
| 1101 | if cxt, ok := p.parseContextStack.peek(); !ok { |
| 1102 | return errEmptyJSONContextStack |
| 1103 | } else if cxt == _CONTEXT_IN_TOPLEVEL { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 1104 | return nil |
| 1105 | } |
| 1106 | return p.ParsePostValue() |
| 1107 | } |
| 1108 | |
| 1109 | func (p *TSimpleJSONProtocol) readSingleValue() (interface{}, TType, error) { |
| 1110 | e := p.readNonSignificantWhitespace() |
| 1111 | if e != nil { |
| 1112 | return nil, VOID, NewTProtocolException(e) |
| 1113 | } |
| 1114 | b, e := p.reader.Peek(1) |
| 1115 | if len(b) > 0 { |
| 1116 | c := b[0] |
| 1117 | switch c { |
| 1118 | case JSON_NULL[0]: |
| 1119 | buf := make([]byte, len(JSON_NULL)) |
| 1120 | _, e := p.reader.Read(buf) |
| 1121 | if e != nil { |
| 1122 | return nil, VOID, NewTProtocolException(e) |
| 1123 | } |
| 1124 | if string(JSON_NULL) != string(buf) { |
| 1125 | e = mismatch(string(JSON_NULL), string(buf)) |
| 1126 | return nil, VOID, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1127 | } |
| 1128 | return nil, VOID, nil |
| 1129 | case JSON_QUOTE: |
| 1130 | p.reader.ReadByte() |
| 1131 | v, e := p.ParseStringBody() |
| 1132 | if e != nil { |
| 1133 | return v, UTF8, NewTProtocolException(e) |
| 1134 | } |
| 1135 | if v == JSON_INFINITY { |
| 1136 | return INFINITY, DOUBLE, nil |
| 1137 | } else if v == JSON_NEGATIVE_INFINITY { |
| 1138 | return NEGATIVE_INFINITY, DOUBLE, nil |
| 1139 | } else if v == JSON_NAN { |
| 1140 | return NAN, DOUBLE, nil |
| 1141 | } |
| 1142 | return v, UTF8, nil |
| 1143 | case JSON_TRUE[0]: |
| 1144 | buf := make([]byte, len(JSON_TRUE)) |
| 1145 | _, e := p.reader.Read(buf) |
| 1146 | if e != nil { |
| 1147 | return true, BOOL, NewTProtocolException(e) |
| 1148 | } |
| 1149 | if string(JSON_TRUE) != string(buf) { |
| 1150 | e := mismatch(string(JSON_TRUE), string(buf)) |
| 1151 | return true, BOOL, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1152 | } |
| 1153 | return true, BOOL, nil |
| 1154 | case JSON_FALSE[0]: |
| 1155 | buf := make([]byte, len(JSON_FALSE)) |
| 1156 | _, e := p.reader.Read(buf) |
| 1157 | if e != nil { |
| 1158 | return false, BOOL, NewTProtocolException(e) |
| 1159 | } |
| 1160 | if string(JSON_FALSE) != string(buf) { |
| 1161 | e := mismatch(string(JSON_FALSE), string(buf)) |
| 1162 | return false, BOOL, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1163 | } |
| 1164 | return false, BOOL, nil |
| 1165 | case JSON_LBRACKET[0]: |
| 1166 | _, e := p.reader.ReadByte() |
| 1167 | return make([]interface{}, 0), LIST, NewTProtocolException(e) |
| 1168 | case JSON_LBRACE[0]: |
| 1169 | _, e := p.reader.ReadByte() |
| 1170 | return make(map[string]interface{}), STRUCT, NewTProtocolException(e) |
| 1171 | case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'e', 'E', '.', '+', '-', JSON_INFINITY[0], JSON_NAN[0]: |
| 1172 | // assume numeric |
| 1173 | v, e := p.readNumeric() |
| 1174 | return v, DOUBLE, e |
| 1175 | default: |
| 1176 | e := fmt.Errorf("Expected element in list but found '%s' while parsing JSON.", string(c)) |
| 1177 | return nil, VOID, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1178 | } |
| 1179 | } |
| 1180 | e = fmt.Errorf("Cannot read a single element while parsing JSON.") |
| 1181 | return nil, VOID, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1182 | |
| 1183 | } |
| 1184 | |
| 1185 | func (p *TSimpleJSONProtocol) readIfNull() (bool, error) { |
| 1186 | cont := true |
| 1187 | for cont { |
| 1188 | b, _ := p.reader.Peek(1) |
| 1189 | if len(b) < 1 { |
| 1190 | return false, nil |
| 1191 | } |
| 1192 | switch b[0] { |
| 1193 | default: |
| 1194 | return false, nil |
| 1195 | case JSON_NULL[0]: |
| 1196 | cont = false |
| 1197 | break |
| 1198 | case ' ', '\n', '\r', '\t': |
| 1199 | p.reader.ReadByte() |
| 1200 | break |
| 1201 | } |
| 1202 | } |
| 1203 | if p.safePeekContains(JSON_NULL) { |
| 1204 | p.reader.Read(make([]byte, len(JSON_NULL))) |
| 1205 | return true, nil |
| 1206 | } |
| 1207 | return false, nil |
| 1208 | } |
| 1209 | |
| 1210 | func (p *TSimpleJSONProtocol) readQuoteIfNext() { |
| 1211 | b, _ := p.reader.Peek(1) |
| 1212 | if len(b) > 0 && b[0] == JSON_QUOTE { |
| 1213 | p.reader.ReadByte() |
| 1214 | } |
| 1215 | } |
| 1216 | |
| 1217 | func (p *TSimpleJSONProtocol) readNumeric() (Numeric, error) { |
| 1218 | isNull, err := p.readIfNull() |
| 1219 | if isNull || err != nil { |
| 1220 | return NUMERIC_NULL, err |
| 1221 | } |
| 1222 | hasDecimalPoint := false |
| 1223 | nextCanBeSign := true |
| 1224 | hasE := false |
| 1225 | MAX_LEN := 40 |
| 1226 | buf := bytes.NewBuffer(make([]byte, 0, MAX_LEN)) |
| 1227 | continueFor := true |
| 1228 | inQuotes := false |
| 1229 | for continueFor { |
| 1230 | c, err := p.reader.ReadByte() |
| 1231 | if err != nil { |
| 1232 | if err == io.EOF { |
| 1233 | break |
| 1234 | } |
| 1235 | return NUMERIC_NULL, NewTProtocolException(err) |
| 1236 | } |
| 1237 | switch c { |
| 1238 | case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': |
| 1239 | buf.WriteByte(c) |
| 1240 | nextCanBeSign = false |
| 1241 | case '.': |
| 1242 | if hasDecimalPoint { |
| 1243 | e := fmt.Errorf("Unable to parse number with multiple decimal points '%s.'", buf.String()) |
| 1244 | return NUMERIC_NULL, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1245 | } |
| 1246 | if hasE { |
| 1247 | e := fmt.Errorf("Unable to parse number with decimal points in the exponent '%s.'", buf.String()) |
| 1248 | return NUMERIC_NULL, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1249 | } |
| 1250 | buf.WriteByte(c) |
| 1251 | hasDecimalPoint, nextCanBeSign = true, false |
| 1252 | case 'e', 'E': |
| 1253 | if hasE { |
| 1254 | e := fmt.Errorf("Unable to parse number with multiple exponents '%s%c'", buf.String(), c) |
| 1255 | return NUMERIC_NULL, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1256 | } |
| 1257 | buf.WriteByte(c) |
| 1258 | hasE, nextCanBeSign = true, true |
| 1259 | case '-', '+': |
| 1260 | if !nextCanBeSign { |
| 1261 | e := fmt.Errorf("Negative sign within number") |
| 1262 | return NUMERIC_NULL, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1263 | } |
| 1264 | buf.WriteByte(c) |
| 1265 | nextCanBeSign = false |
| 1266 | case ' ', 0, '\t', '\n', '\r', JSON_RBRACE[0], JSON_RBRACKET[0], JSON_COMMA[0], JSON_COLON[0]: |
| 1267 | p.reader.UnreadByte() |
| 1268 | continueFor = false |
| 1269 | case JSON_NAN[0]: |
| 1270 | if buf.Len() == 0 { |
| 1271 | buffer := make([]byte, len(JSON_NAN)) |
| 1272 | buffer[0] = c |
| 1273 | _, e := p.reader.Read(buffer[1:]) |
| 1274 | if e != nil { |
| 1275 | return NUMERIC_NULL, NewTProtocolException(e) |
| 1276 | } |
| 1277 | if JSON_NAN != string(buffer) { |
| 1278 | e := mismatch(JSON_NAN, string(buffer)) |
| 1279 | return NUMERIC_NULL, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1280 | } |
| 1281 | if inQuotes { |
| 1282 | p.readQuoteIfNext() |
| 1283 | } |
| 1284 | return NAN, nil |
| 1285 | } else { |
| 1286 | e := fmt.Errorf("Unable to parse number starting with character '%c'", c) |
| 1287 | return NUMERIC_NULL, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1288 | } |
| 1289 | case JSON_INFINITY[0]: |
| 1290 | if buf.Len() == 0 || (buf.Len() == 1 && buf.Bytes()[0] == '+') { |
| 1291 | buffer := make([]byte, len(JSON_INFINITY)) |
| 1292 | buffer[0] = c |
| 1293 | _, e := p.reader.Read(buffer[1:]) |
| 1294 | if e != nil { |
| 1295 | return NUMERIC_NULL, NewTProtocolException(e) |
| 1296 | } |
| 1297 | if JSON_INFINITY != string(buffer) { |
| 1298 | e := mismatch(JSON_INFINITY, string(buffer)) |
| 1299 | return NUMERIC_NULL, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1300 | } |
| 1301 | if inQuotes { |
| 1302 | p.readQuoteIfNext() |
| 1303 | } |
| 1304 | return INFINITY, nil |
| 1305 | } else if buf.Len() == 1 && buf.Bytes()[0] == JSON_NEGATIVE_INFINITY[0] { |
| 1306 | buffer := make([]byte, len(JSON_NEGATIVE_INFINITY)) |
| 1307 | buffer[0] = JSON_NEGATIVE_INFINITY[0] |
| 1308 | buffer[1] = c |
| 1309 | _, e := p.reader.Read(buffer[2:]) |
| 1310 | if e != nil { |
| 1311 | return NUMERIC_NULL, NewTProtocolException(e) |
| 1312 | } |
| 1313 | if JSON_NEGATIVE_INFINITY != string(buffer) { |
| 1314 | e := mismatch(JSON_NEGATIVE_INFINITY, string(buffer)) |
| 1315 | return NUMERIC_NULL, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1316 | } |
| 1317 | if inQuotes { |
| 1318 | p.readQuoteIfNext() |
| 1319 | } |
| 1320 | return NEGATIVE_INFINITY, nil |
| 1321 | } else { |
| 1322 | e := fmt.Errorf("Unable to parse number starting with character '%c' due to existing buffer %s", c, buf.String()) |
| 1323 | return NUMERIC_NULL, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1324 | } |
| 1325 | case JSON_QUOTE: |
| 1326 | if !inQuotes { |
| 1327 | inQuotes = true |
| 1328 | } else { |
| 1329 | break |
| 1330 | } |
| 1331 | default: |
| 1332 | e := fmt.Errorf("Unable to parse number starting with character '%c'", c) |
| 1333 | return NUMERIC_NULL, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1334 | } |
| 1335 | } |
| 1336 | if buf.Len() == 0 { |
| 1337 | e := fmt.Errorf("Unable to parse number from empty string ''") |
| 1338 | return NUMERIC_NULL, NewTProtocolExceptionWithType(INVALID_DATA, e) |
| 1339 | } |
| 1340 | return NewNumericFromJSONString(buf.String(), false), nil |
| 1341 | } |
| 1342 | |
| 1343 | // Safely peeks into the buffer, reading only what is necessary |
| 1344 | func (p *TSimpleJSONProtocol) safePeekContains(b []byte) bool { |
| 1345 | for i := 0; i < len(b); i++ { |
| 1346 | a, _ := p.reader.Peek(i + 1) |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 1347 | if len(a) < (i+1) || a[i] != b[i] { |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 1348 | return false |
| 1349 | } |
| 1350 | } |
| 1351 | return true |
| 1352 | } |
| 1353 | |
| 1354 | // Reset the context stack to its initial state. |
| 1355 | func (p *TSimpleJSONProtocol) resetContextStack() { |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 1356 | p.parseContextStack = jsonContextStack{_CONTEXT_IN_TOPLEVEL} |
| 1357 | p.dumpContext = jsonContextStack{_CONTEXT_IN_TOPLEVEL} |
mpagenko | af80163 | 2020-07-03 10:00:42 +0000 | [diff] [blame] | 1358 | } |
| 1359 | |
| 1360 | func (p *TSimpleJSONProtocol) write(b []byte) (int, error) { |
| 1361 | n, err := p.writer.Write(b) |
| 1362 | if err != nil { |
| 1363 | p.writer.Reset(p.trans) // THRIFT-3735 |
| 1364 | } |
| 1365 | return n, err |
| 1366 | } |
khenaidoo | 7d3c558 | 2021-08-11 18:09:44 -0400 | [diff] [blame] | 1367 | |
| 1368 | // SetTConfiguration implements TConfigurationSetter for propagation. |
| 1369 | func (p *TSimpleJSONProtocol) SetTConfiguration(conf *TConfiguration) { |
| 1370 | PropagateTConfiguration(p.trans, conf) |
| 1371 | } |
| 1372 | |
| 1373 | var _ TConfigurationSetter = (*TSimpleJSONProtocol)(nil) |