Flutter Linux Embedder
fl_standard_message_codec.cc
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
6 
7 #include <gmodule.h>
8 
9 #include <cstring>
10 
11 // See lib/src/services/message_codecs.dart in Flutter source for description of
12 // encoding.
13 
14 // Type values.
15 static constexpr int kValueNull = 0;
16 static constexpr int kValueTrue = 1;
17 static constexpr int kValueFalse = 2;
18 static constexpr int kValueInt32 = 3;
19 static constexpr int kValueInt64 = 4;
20 static constexpr int kValueFloat64 = 6;
21 static constexpr int kValueString = 7;
22 static constexpr int kValueUint8List = 8;
23 static constexpr int kValueInt32List = 9;
24 static constexpr int kValueInt64List = 10;
25 static constexpr int kValueFloat64List = 11;
26 static constexpr int kValueList = 12;
27 static constexpr int kValueMap = 13;
28 static constexpr int kValueFloat32List = 14;
29 
30 G_DEFINE_TYPE(FlStandardMessageCodec,
31  fl_standard_message_codec,
32  fl_message_codec_get_type())
33 
34 // Functions to write standard C number types.
35 
36 static void write_uint8(GByteArray* buffer, uint8_t value) {
37  g_byte_array_append(buffer, &value, sizeof(uint8_t));
38 }
39 
40 static void write_uint16(GByteArray* buffer, uint16_t value) {
41  g_byte_array_append(buffer, reinterpret_cast<uint8_t*>(&value),
42  sizeof(uint16_t));
43 }
44 
45 static void write_uint32(GByteArray* buffer, uint32_t value) {
46  g_byte_array_append(buffer, reinterpret_cast<uint8_t*>(&value),
47  sizeof(uint32_t));
48 }
49 
50 static void write_int32(GByteArray* buffer, int32_t value) {
51  g_byte_array_append(buffer, reinterpret_cast<uint8_t*>(&value),
52  sizeof(int32_t));
53 }
54 
55 static void write_int64(GByteArray* buffer, int64_t value) {
56  g_byte_array_append(buffer, reinterpret_cast<uint8_t*>(&value),
57  sizeof(int64_t));
58 }
59 
60 static void write_float64(GByteArray* buffer, double value) {
61  g_byte_array_append(buffer, reinterpret_cast<uint8_t*>(&value),
62  sizeof(double));
63 }
64 
65 // Write padding bytes to align to @align multiple of bytes.
66 static void write_align(GByteArray* buffer, guint align) {
67  while (buffer->len % align != 0) {
68  write_uint8(buffer, 0);
69  }
70 }
71 
72 // Checks there is enough data in @buffer to be read.
73 static gboolean check_size(GBytes* buffer,
74  size_t offset,
75  size_t required,
76  GError** error) {
77  if (offset + required > g_bytes_get_size(buffer)) {
78  g_set_error(error, FL_MESSAGE_CODEC_ERROR,
79  FL_MESSAGE_CODEC_ERROR_OUT_OF_DATA, "Unexpected end of data");
80  return FALSE;
81  }
82  return TRUE;
83 }
84 
85 // Skip bytes to align next read on @align multiple of bytes.
86 static gboolean read_align(GBytes* buffer,
87  size_t* offset,
88  size_t align,
89  GError** error) {
90  if ((*offset) % align == 0) {
91  return TRUE;
92  }
93 
94  size_t required = align - (*offset) % align;
95  if (!check_size(buffer, *offset, required, error)) {
96  return FALSE;
97  }
98 
99  (*offset) += required;
100  return TRUE;
101 }
102 
103 // Gets a pointer to the given offset in @buffer.
104 static const uint8_t* get_data(GBytes* buffer, size_t* offset) {
105  return static_cast<const uint8_t*>(g_bytes_get_data(buffer, nullptr)) +
106  *offset;
107 }
108 
109 // Reads an unsigned 8 bit number from @buffer and writes it to @value.
110 // Returns TRUE if successful, otherwise sets an error.
111 static gboolean read_uint8(GBytes* buffer,
112  size_t* offset,
113  uint8_t* value,
114  GError** error) {
115  if (!check_size(buffer, *offset, sizeof(uint8_t), error)) {
116  return FALSE;
117  }
118 
119  *value = get_data(buffer, offset)[0];
120  (*offset)++;
121  return TRUE;
122 }
123 
124 // Reads an unsigned 16 bit integer from @buffer and writes it to @value.
125 // Returns TRUE if successful, otherwise sets an error.
126 static gboolean read_uint16(GBytes* buffer,
127  size_t* offset,
128  uint16_t* value,
129  GError** error) {
130  if (!check_size(buffer, *offset, sizeof(uint16_t), error)) {
131  return FALSE;
132  }
133 
134  *value = reinterpret_cast<const uint16_t*>(get_data(buffer, offset))[0];
135  *offset += sizeof(uint16_t);
136  return TRUE;
137 }
138 
139 // Reads an unsigned 32 bit integer from @buffer and writes it to @value.
140 // Returns TRUE if successful, otherwise sets an error.
141 static gboolean read_uint32(GBytes* buffer,
142  size_t* offset,
143  uint32_t* value,
144  GError** error) {
145  if (!check_size(buffer, *offset, sizeof(uint32_t), error)) {
146  return FALSE;
147  }
148 
149  *value = reinterpret_cast<const uint32_t*>(get_data(buffer, offset))[0];
150  *offset += sizeof(uint32_t);
151  return TRUE;
152 }
153 
154 // Reads a #FL_VALUE_TYPE_INT stored as a signed 32 bit integer from @buffer.
155 // Returns a new #FlValue of type #FL_VALUE_TYPE_INT if successful or %NULL on
156 // error.
158  size_t* offset,
159  GError** error) {
160  if (!check_size(buffer, *offset, sizeof(int32_t), error)) {
161  return nullptr;
162  }
163 
165  reinterpret_cast<const int32_t*>(get_data(buffer, offset))[0]);
166  *offset += sizeof(int32_t);
167  return value;
168 }
169 
170 // Reads a #FL_VALUE_TYPE_INT stored as a signed 64 bit integer from @buffer.
171 // Returns a new #FlValue of type #FL_VALUE_TYPE_INT if successful or %NULL on
172 // error.
174  size_t* offset,
175  GError** error) {
176  if (!check_size(buffer, *offset, sizeof(int64_t), error)) {
177  return nullptr;
178  }
179 
181  reinterpret_cast<const int64_t*>(get_data(buffer, offset))[0]);
182  *offset += sizeof(int64_t);
183  return value;
184 }
185 
186 // Reads a 64 bit floating point number from @buffer and writes it to @value.
187 // Returns a new #FlValue of type #FL_VALUE_TYPE_FLOAT if successful or %NULL on
188 // error.
190  size_t* offset,
191  GError** error) {
192  if (!read_align(buffer, offset, 8, error)) {
193  return nullptr;
194  }
195  if (!check_size(buffer, *offset, sizeof(double), error)) {
196  return nullptr;
197  }
198 
200  reinterpret_cast<const double*>(get_data(buffer, offset))[0]);
201  *offset += sizeof(double);
202  return value;
203 }
204 
205 // Reads an UTF-8 text string from @buffer in standard codec format.
206 // Returns a new #FlValue of type #FL_VALUE_TYPE_STRING if successful or %NULL
207 // on error.
208 static FlValue* read_string_value(FlStandardMessageCodec* self,
209  GBytes* buffer,
210  size_t* offset,
211  GError** error) {
212  uint32_t length;
214  error)) {
215  return nullptr;
216  }
217  if (!check_size(buffer, *offset, length, error)) {
218  return nullptr;
219  }
221  reinterpret_cast<const gchar*>(get_data(buffer, offset)), length);
222  *offset += length;
223  return value;
224 }
225 
226 // Reads an unsigned 8 bit list from @buffer in standard codec format.
227 // Returns a new #FlValue of type #FL_VALUE_TYPE_UINT8_LIST if successful or
228 // %NULL on error.
229 static FlValue* read_uint8_list_value(FlStandardMessageCodec* self,
230  GBytes* buffer,
231  size_t* offset,
232  GError** error) {
233  uint32_t length;
235  error)) {
236  return nullptr;
237  }
238  if (!check_size(buffer, *offset, sizeof(uint8_t) * length, error)) {
239  return nullptr;
240  }
242  *offset += length;
243  return value;
244 }
245 
246 // Reads a signed 32 bit list from @buffer in standard codec format.
247 // Returns a new #FlValue of type #FL_VALUE_TYPE_INT32_LIST if successful or
248 // %NULL on error.
249 static FlValue* read_int32_list_value(FlStandardMessageCodec* self,
250  GBytes* buffer,
251  size_t* offset,
252  GError** error) {
253  uint32_t length;
255  error)) {
256  return nullptr;
257  }
258  if (!read_align(buffer, offset, 4, error)) {
259  return nullptr;
260  }
261  if (!check_size(buffer, *offset, sizeof(int32_t) * length, error)) {
262  return nullptr;
263  }
265  reinterpret_cast<const int32_t*>(get_data(buffer, offset)), length);
266  *offset += sizeof(int32_t) * length;
267  return value;
268 }
269 
270 // Reads a signed 64 bit list from @buffer in standard codec format.
271 // Returns a new #FlValue of type #FL_VALUE_TYPE_INT64_LIST if successful or
272 // %NULL on error.
273 static FlValue* read_int64_list_value(FlStandardMessageCodec* self,
274  GBytes* buffer,
275  size_t* offset,
276  GError** error) {
277  uint32_t length;
279  error)) {
280  return nullptr;
281  }
282  if (!read_align(buffer, offset, 8, error)) {
283  return nullptr;
284  }
285  if (!check_size(buffer, *offset, sizeof(int64_t) * length, error)) {
286  return nullptr;
287  }
289  reinterpret_cast<const int64_t*>(get_data(buffer, offset)), length);
290  *offset += sizeof(int64_t) * length;
291  return value;
292 }
293 
294 // Reads a 32 bit floating point number list from @buffer in standard codec
295 // format. Returns a new #FlValue of type #FL_VALUE_TYPE_FLOAT32_LIST if
296 // successful or %NULL on error.
297 static FlValue* read_float32_list_value(FlStandardMessageCodec* self,
298  GBytes* buffer,
299  size_t* offset,
300  GError** error) {
301  uint32_t length;
303  error)) {
304  return nullptr;
305  }
306  if (!read_align(buffer, offset, 4, error)) {
307  return nullptr;
308  }
309  if (!check_size(buffer, *offset, sizeof(float) * length, error)) {
310  return nullptr;
311  }
313  reinterpret_cast<const float*>(get_data(buffer, offset)), length);
314  *offset += sizeof(float) * length;
315  return value;
316 }
317 
318 // Reads a floating point number list from @buffer in standard codec format.
319 // Returns a new #FlValue of type #FL_VALUE_TYPE_FLOAT_LIST if successful or
320 // %NULL on error.
321 static FlValue* read_float64_list_value(FlStandardMessageCodec* self,
322  GBytes* buffer,
323  size_t* offset,
324  GError** error) {
325  uint32_t length;
327  error)) {
328  return nullptr;
329  }
330  if (!read_align(buffer, offset, 8, error)) {
331  return nullptr;
332  }
333  if (!check_size(buffer, *offset, sizeof(double) * length, error)) {
334  return nullptr;
335  }
337  reinterpret_cast<const double*>(get_data(buffer, offset)), length);
338  *offset += sizeof(double) * length;
339  return value;
340 }
341 
342 // Reads a list from @buffer in standard codec format.
343 // Returns a new #FlValue of type #FL_VALUE_TYPE_LIST if successful or %NULL on
344 // error.
345 static FlValue* read_list_value(FlStandardMessageCodec* self,
346  GBytes* buffer,
347  size_t* offset,
348  GError** error) {
349  uint32_t length;
351  error)) {
352  return nullptr;
353  }
354 
355  g_autoptr(FlValue) list = fl_value_new_list();
356  for (size_t i = 0; i < length; i++) {
357  g_autoptr(FlValue) child =
359  if (child == nullptr) {
360  return nullptr;
361  }
362  fl_value_append(list, child);
363  }
364 
365  return fl_value_ref(list);
366 }
367 
368 // Reads a map from @buffer in standard codec format.
369 // Returns a new #FlValue of type #FL_VALUE_TYPE_MAP if successful or %NULL on
370 // error.
371 static FlValue* read_map_value(FlStandardMessageCodec* self,
372  GBytes* buffer,
373  size_t* offset,
374  GError** error) {
375  uint32_t length;
377  error)) {
378  return nullptr;
379  }
380 
381  g_autoptr(FlValue) map = fl_value_new_map();
382  for (size_t i = 0; i < length; i++) {
383  g_autoptr(FlValue) key =
385  if (key == nullptr) {
386  return nullptr;
387  }
388  g_autoptr(FlValue) value =
390  if (value == nullptr) {
391  return nullptr;
392  }
393  fl_value_set(map, key, value);
394  }
395 
396  return fl_value_ref(map);
397 }
398 
399 // Implements FlMessageCodec::encode_message.
400 static GBytes* fl_standard_message_codec_encode_message(FlMessageCodec* codec,
401  FlValue* message,
402  GError** error) {
403  FlStandardMessageCodec* self =
404  reinterpret_cast<FlStandardMessageCodec*>(codec);
405 
406  g_autoptr(GByteArray) buffer = g_byte_array_new();
407  if (!fl_standard_message_codec_write_value(self, buffer, message, error)) {
408  return nullptr;
409  }
410  return g_byte_array_free_to_bytes(
411  static_cast<GByteArray*>(g_steal_pointer(&buffer)));
412 }
413 
414 // Implements FlMessageCodec::decode_message.
415 static FlValue* fl_standard_message_codec_decode_message(FlMessageCodec* codec,
416  GBytes* message,
417  GError** error) {
418  if (g_bytes_get_size(message) == 0) {
419  return fl_value_new_null();
420  }
421 
422  FlStandardMessageCodec* self =
423  reinterpret_cast<FlStandardMessageCodec*>(codec);
424 
425  size_t offset = 0;
426  g_autoptr(FlValue) value =
427  fl_standard_message_codec_read_value(self, message, &offset, error);
428  if (value == nullptr) {
429  return nullptr;
430  }
431 
432  if (offset != g_bytes_get_size(message)) {
433  g_set_error(error, FL_MESSAGE_CODEC_ERROR,
435  "Unused %zi bytes after standard message",
436  g_bytes_get_size(message) - offset);
437  return nullptr;
438  }
439 
440  return fl_value_ref(value);
441 }
442 
443 // Implements FlStandardMessageCodec::write_value.
445  FlStandardMessageCodec* self,
446  GByteArray* buffer,
447  FlValue* value,
448  GError** error) {
449  if (value == nullptr) {
450  write_uint8(buffer, kValueNull);
451  return TRUE;
452  }
453 
454  switch (fl_value_get_type(value)) {
455  case FL_VALUE_TYPE_NULL:
456  write_uint8(buffer, kValueNull);
457  return TRUE;
458  case FL_VALUE_TYPE_BOOL:
459  if (fl_value_get_bool(value)) {
460  write_uint8(buffer, kValueTrue);
461  } else {
462  write_uint8(buffer, kValueFalse);
463  }
464  return TRUE;
465  case FL_VALUE_TYPE_INT: {
466  int64_t v = fl_value_get_int(value);
467  if (v >= INT32_MIN && v <= INT32_MAX) {
468  write_uint8(buffer, kValueInt32);
469  write_int32(buffer, v);
470  } else {
471  write_uint8(buffer, kValueInt64);
472  write_int64(buffer, v);
473  }
474  return TRUE;
475  }
476  case FL_VALUE_TYPE_FLOAT:
477  write_uint8(buffer, kValueFloat64);
478  write_align(buffer, 8);
480  return TRUE;
481  case FL_VALUE_TYPE_STRING: {
482  write_uint8(buffer, kValueString);
483  const char* text = fl_value_get_string(value);
484  size_t length = strlen(text);
486  g_byte_array_append(buffer, reinterpret_cast<const uint8_t*>(text),
487  length);
488  return TRUE;
489  }
491  write_uint8(buffer, kValueUint8List);
492  size_t length = fl_value_get_length(value);
495  sizeof(uint8_t) * length);
496  return TRUE;
497  }
499  write_uint8(buffer, kValueInt32List);
500  size_t length = fl_value_get_length(value);
502  write_align(buffer, 4);
504  buffer,
505  reinterpret_cast<const uint8_t*>(fl_value_get_int32_list(value)),
506  sizeof(int32_t) * length);
507  return TRUE;
508  }
510  write_uint8(buffer, kValueInt64List);
511  size_t length = fl_value_get_length(value);
513  write_align(buffer, 8);
515  buffer,
516  reinterpret_cast<const uint8_t*>(fl_value_get_int64_list(value)),
517  sizeof(int64_t) * length);
518  return TRUE;
519  }
521  write_uint8(buffer, kValueFloat32List);
522  size_t length = fl_value_get_length(value);
524  write_align(buffer, 4);
526  buffer,
527  reinterpret_cast<const uint8_t*>(fl_value_get_float32_list(value)),
528  sizeof(float) * length);
529  return TRUE;
530  }
532  write_uint8(buffer, kValueFloat64List);
533  size_t length = fl_value_get_length(value);
535  write_align(buffer, 8);
537  buffer,
538  reinterpret_cast<const uint8_t*>(fl_value_get_float_list(value)),
539  sizeof(double) * length);
540  return TRUE;
541  }
542  case FL_VALUE_TYPE_LIST:
543  write_uint8(buffer, kValueList);
546  for (size_t i = 0; i < fl_value_get_length(value); i++) {
549  return FALSE;
550  }
551  }
552  return TRUE;
553  case FL_VALUE_TYPE_MAP:
554  write_uint8(buffer, kValueMap);
557  for (size_t i = 0; i < fl_value_get_length(value); i++) {
559  self, buffer, fl_value_get_map_key(value, i), error) ||
562  return FALSE;
563  }
564  }
565  return TRUE;
567  g_set_error(error, FL_MESSAGE_CODEC_ERROR,
569  "Custom value not implemented");
570  return FALSE;
571  }
572 
573  g_set_error(error, FL_MESSAGE_CODEC_ERROR,
575  "Unexpected FlValue type %d", fl_value_get_type(value));
576  return FALSE;
577 }
578 
579 // Implements FlStandardMessageCodec::read_value_of_type.
581  FlStandardMessageCodec* self,
582  GBytes* buffer,
583  size_t* offset,
584  int type,
585  GError** error) {
586  g_autoptr(FlValue) value = nullptr;
587  if (type == kValueNull) {
588  return fl_value_new_null();
589  } else if (type == kValueTrue) {
590  return fl_value_new_bool(TRUE);
591  } else if (type == kValueFalse) {
592  return fl_value_new_bool(FALSE);
593  } else if (type == kValueInt32) {
594  value = read_int32_value(buffer, offset, error);
595  } else if (type == kValueInt64) {
596  value = read_int64_value(buffer, offset, error);
597  } else if (type == kValueFloat64) {
598  value = read_float64_value(buffer, offset, error);
599  } else if (type == kValueString) {
600  value = read_string_value(self, buffer, offset, error);
601  } else if (type == kValueUint8List) {
602  value = read_uint8_list_value(self, buffer, offset, error);
603  } else if (type == kValueInt32List) {
604  value = read_int32_list_value(self, buffer, offset, error);
605  } else if (type == kValueInt64List) {
606  value = read_int64_list_value(self, buffer, offset, error);
607  } else if (type == kValueFloat32List) {
608  value = read_float32_list_value(self, buffer, offset, error);
609  } else if (type == kValueFloat64List) {
610  value = read_float64_list_value(self, buffer, offset, error);
611  } else if (type == kValueList) {
612  value = read_list_value(self, buffer, offset, error);
613  } else if (type == kValueMap) {
614  value = read_map_value(self, buffer, offset, error);
615  } else {
616  g_set_error(error, FL_MESSAGE_CODEC_ERROR,
618  "Unexpected standard codec type %02x", type);
619  return nullptr;
620  }
621 
622  return value == nullptr ? nullptr : fl_value_ref(value);
623 }
624 
626  FlStandardMessageCodecClass* klass) {
627  FL_MESSAGE_CODEC_CLASS(klass)->encode_message =
629  FL_MESSAGE_CODEC_CLASS(klass)->decode_message =
631  klass->write_value = fl_standard_message_codec_real_write_value;
632  klass->read_value_of_type = fl_standard_message_codec_read_value_of_type;
633 }
634 
635 static void fl_standard_message_codec_init(FlStandardMessageCodec* self) {}
636 
637 G_MODULE_EXPORT FlStandardMessageCodec* fl_standard_message_codec_new() {
638  return static_cast<FlStandardMessageCodec*>(
639  g_object_new(fl_standard_message_codec_get_type(), nullptr));
640 }
641 
643  FlStandardMessageCodec* codec,
644  GByteArray* buffer,
645  uint32_t size) {
646  if (size < 254) {
647  write_uint8(buffer, size);
648  } else if (size <= 0xffff) {
649  write_uint8(buffer, 254);
650  write_uint16(buffer, size);
651  } else {
652  write_uint8(buffer, 255);
653  write_uint32(buffer, size);
654  }
655 }
656 
657 G_MODULE_EXPORT gboolean fl_standard_message_codec_read_size(
658  FlStandardMessageCodec* codec,
659  GBytes* buffer,
660  size_t* offset,
661  uint32_t* value,
662  GError** error) {
663  uint8_t value8;
664  if (!read_uint8(buffer, offset, &value8, error)) {
665  return FALSE;
666  }
667 
668  if (value8 == 255) {
669  if (!read_uint32(buffer, offset, value, error)) {
670  return FALSE;
671  }
672  } else if (value8 == 254) {
673  uint16_t value16;
674  if (!read_uint16(buffer, offset, &value16, error)) {
675  return FALSE;
676  }
677  *value = value16;
678  } else {
679  *value = value8;
680  }
681 
682  return TRUE;
683 }
684 
685 G_MODULE_EXPORT gboolean fl_standard_message_codec_write_value(
686  FlStandardMessageCodec* self,
687  GByteArray* buffer,
688  FlValue* value,
689  GError** error) {
690  return FL_STANDARD_MESSAGE_CODEC_GET_CLASS(self)->write_value(self, buffer,
691  value, error);
692 }
693 
695  FlStandardMessageCodec* self,
696  GBytes* buffer,
697  size_t* offset,
698  GError** error) {
699  uint8_t type;
700  if (!read_uint8(buffer, offset, &type, error)) {
701  return nullptr;
702  }
703 
704  return FL_STANDARD_MESSAGE_CODEC_GET_CLASS(self)->read_value_of_type(
705  self, buffer, offset, type, error);
706 }
G_DEFINE_TYPE
G_DEFINE_TYPE(FlStandardMessageCodec, fl_standard_message_codec, fl_message_codec_get_type()) static void write_uint8(GByteArray *buffer
read_list_value
static FlValue * read_list_value(FlStandardMessageCodec *self, GBytes *buffer, size_t *offset, GError **error)
Definition: fl_standard_message_codec.cc:345
read_uint16
static gboolean read_uint16(GBytes *buffer, size_t *offset, uint16_t *value, GError **error)
Definition: fl_standard_message_codec.cc:126
kValueList
static constexpr int kValueList
Definition: fl_standard_message_codec.cc:26
fl_value_get_int32_list
const G_MODULE_EXPORT int32_t * fl_value_get_int32_list(FlValue *self)
Definition: fl_value.cc:696
FL_VALUE_TYPE_UINT8_LIST
@ FL_VALUE_TYPE_UINT8_LIST
Definition: fl_value.h:70
fl_value_new_string_sized
G_MODULE_EXPORT FlValue * fl_value_new_string_sized(const gchar *value, size_t value_length)
Definition: fl_value.cc:283
FL_VALUE_TYPE_MAP
@ FL_VALUE_TYPE_MAP
Definition: fl_value.h:75
fl_standard_message_codec_write_size
G_MODULE_EXPORT void fl_standard_message_codec_write_size(FlStandardMessageCodec *codec, GByteArray *buffer, uint32_t size)
Definition: fl_standard_message_codec.cc:642
fl_standard_message_codec_new
G_MODULE_EXPORT FlStandardMessageCodec * fl_standard_message_codec_new()
Definition: fl_standard_message_codec.cc:637
type
uint8_t type
Definition: fl_standard_message_codec_test.cc:1115
kValueUint8List
static constexpr int kValueUint8List
Definition: fl_standard_message_codec.cc:22
fl_standard_message_codec_encode_message
static GBytes * fl_standard_message_codec_encode_message(FlMessageCodec *codec, FlValue *message, GError **error)
Definition: fl_standard_message_codec.cc:400
read_int32_value
static FlValue * read_int32_value(GBytes *buffer, size_t *offset, GError **error)
Definition: fl_standard_message_codec.cc:157
kValueNull
static constexpr int kValueNull
Definition: fl_standard_message_codec.cc:15
fl_standard_message_codec_read_value_of_type
static FlValue * fl_standard_message_codec_read_value_of_type(FlStandardMessageCodec *self, GBytes *buffer, size_t *offset, int type, GError **error)
Definition: fl_standard_message_codec.cc:580
kValueInt64List
static constexpr int kValueInt64List
Definition: fl_standard_message_codec.cc:24
fl_standard_message_codec_write_value
G_MODULE_EXPORT gboolean fl_standard_message_codec_write_value(FlStandardMessageCodec *self, GByteArray *buffer, FlValue *value, GError **error)
Definition: fl_standard_message_codec.cc:685
fl_value_new_list
G_MODULE_EXPORT FlValue * fl_value_new_list()
Definition: fl_value.cc:349
fl_value_new_float32_list
G_MODULE_EXPORT FlValue * fl_value_new_float32_list(const float *data, size_t data_length)
Definition: fl_value.cc:329
i
int i
Definition: fl_socket_accessible.cc:18
fl_value_get_float_list
const G_MODULE_EXPORT double * fl_value_get_float_list(FlValue *self)
Definition: fl_value.cc:717
kValueInt32List
static constexpr int kValueInt32List
Definition: fl_standard_message_codec.cc:23
kValueInt64
static constexpr int kValueInt64
Definition: fl_standard_message_codec.cc:19
fl_value_new_bool
G_MODULE_EXPORT FlValue * fl_value_new_bool(bool value)
Definition: fl_value.cc:255
FL_MESSAGE_CODEC_ERROR_ADDITIONAL_DATA
@ FL_MESSAGE_CODEC_ERROR_ADDITIONAL_DATA
Definition: fl_message_codec.h:36
FlValue
typedefG_BEGIN_DECLS struct _FlValue FlValue
Definition: fl_value.h:42
kValueInt32
static constexpr int kValueInt32
Definition: fl_standard_message_codec.cc:18
kValueFloat64List
static constexpr int kValueFloat64List
Definition: fl_standard_message_codec.cc:25
write_float64
static void write_float64(GByteArray *buffer, double value)
Definition: fl_standard_message_codec.cc:60
kValueTrue
static constexpr int kValueTrue
Definition: fl_standard_message_codec.cc:16
fl_value_new_null
G_MODULE_EXPORT FlValue * fl_value_new_null()
Definition: fl_value.cc:251
FL_VALUE_TYPE_LIST
@ FL_VALUE_TYPE_LIST
Definition: fl_value.h:74
read_string_value
static FlValue * read_string_value(FlStandardMessageCodec *self, GBytes *buffer, size_t *offset, GError **error)
Definition: fl_standard_message_codec.cc:208
fl_value_get_bool
G_MODULE_EXPORT bool fl_value_get_bool(FlValue *self)
Definition: fl_value.cc:661
fl_value_get_uint8_list
const G_MODULE_EXPORT uint8_t * fl_value_get_uint8_list(FlValue *self)
Definition: fl_value.cc:689
fl_value_set
G_MODULE_EXPORT void fl_value_set(FlValue *self, FlValue *key, FlValue *value)
Definition: fl_value.cc:609
write_int64
static void write_int64(GByteArray *buffer, int64_t value)
Definition: fl_standard_message_codec.cc:55
fl_value_new_int
G_MODULE_EXPORT FlValue * fl_value_new_int(int64_t value)
Definition: fl_value.cc:262
fl_value_get_string
const G_MODULE_EXPORT gchar * fl_value_get_string(FlValue *self)
Definition: fl_value.cc:682
read_float64_value
static FlValue * read_float64_value(GBytes *buffer, size_t *offset, GError **error)
Definition: fl_standard_message_codec.cc:189
fl_value_get_float32_list
const G_MODULE_EXPORT float * fl_value_get_float32_list(FlValue *self)
Definition: fl_value.cc:710
read_map_value
static FlValue * read_map_value(FlStandardMessageCodec *self, GBytes *buffer, size_t *offset, GError **error)
Definition: fl_standard_message_codec.cc:371
FL_VALUE_TYPE_NULL
@ FL_VALUE_TYPE_NULL
Definition: fl_value.h:65
read_align
static gboolean read_align(GBytes *buffer, size_t *offset, size_t align, GError **error)
Definition: fl_standard_message_codec.cc:86
read_int32_list_value
static FlValue * read_int32_list_value(FlStandardMessageCodec *self, GBytes *buffer, size_t *offset, GError **error)
Definition: fl_standard_message_codec.cc:249
fl_value_get_int
G_MODULE_EXPORT int64_t fl_value_get_int(FlValue *self)
Definition: fl_value.cc:668
write_int32
static void write_int32(GByteArray *buffer, int32_t value)
Definition: fl_standard_message_codec.cc:50
read_uint8_list_value
static FlValue * read_uint8_list_value(FlStandardMessageCodec *self, GBytes *buffer, size_t *offset, GError **error)
Definition: fl_standard_message_codec.cc:229
fl_value_ref
G_MODULE_EXPORT FlValue * fl_value_ref(FlValue *self)
Definition: fl_value.cc:394
FL_VALUE_TYPE_CUSTOM
@ FL_VALUE_TYPE_CUSTOM
Definition: fl_value.h:77
g_byte_array_append
g_byte_array_append(buffer, &type, sizeof(uint8_t))
fl_value_new_map
G_MODULE_EXPORT FlValue * fl_value_new_map()
Definition: fl_value.cc:366
fl_value_get_type
G_MODULE_EXPORT FlValueType fl_value_get_type(FlValue *self)
Definition: fl_value.cc:466
write_uint16
static void write_uint16(GByteArray *buffer, uint16_t value)
Definition: fl_standard_message_codec.cc:40
fl_value_get_list_value
G_MODULE_EXPORT FlValue * fl_value_get_list_value(FlValue *self, size_t index)
Definition: fl_value.cc:776
read_int64_value
static FlValue * read_int64_value(GBytes *buffer, size_t *offset, GError **error)
Definition: fl_standard_message_codec.cc:173
FL_VALUE_TYPE_FLOAT32_LIST
@ FL_VALUE_TYPE_FLOAT32_LIST
Definition: fl_value.h:76
FL_VALUE_TYPE_STRING
@ FL_VALUE_TYPE_STRING
Definition: fl_value.h:69
read_float32_list_value
static FlValue * read_float32_list_value(FlStandardMessageCodec *self, GBytes *buffer, size_t *offset, GError **error)
Definition: fl_standard_message_codec.cc:297
fl_value_new_float_list
G_MODULE_EXPORT FlValue * fl_value_new_float_list(const double *data, size_t data_length)
Definition: fl_value.cc:339
kValueFalse
static constexpr int kValueFalse
Definition: fl_standard_message_codec.cc:17
fl_standard_message_codec_decode_message
static FlValue * fl_standard_message_codec_decode_message(FlMessageCodec *codec, GBytes *message, GError **error)
Definition: fl_standard_message_codec.cc:415
TRUE
return TRUE
Definition: fl_pixel_buffer_texture_test.cc:53
check_size
static gboolean check_size(GBytes *buffer, size_t offset, size_t required, GError **error)
Definition: fl_standard_message_codec.cc:73
fl_value_new_int32_list
G_MODULE_EXPORT FlValue * fl_value_new_int32_list(const int32_t *data, size_t data_length)
Definition: fl_value.cc:309
fl_value_get_float
G_MODULE_EXPORT double fl_value_get_float(FlValue *self)
Definition: fl_value.cc:675
fl_standard_message_codec_real_write_value
static gboolean fl_standard_message_codec_real_write_value(FlStandardMessageCodec *self, GByteArray *buffer, FlValue *value, GError **error)
Definition: fl_standard_message_codec.cc:444
fl_value_get_length
G_MODULE_EXPORT size_t fl_value_get_length(FlValue *self)
Definition: fl_value.cc:724
FL_VALUE_TYPE_INT64_LIST
@ FL_VALUE_TYPE_INT64_LIST
Definition: fl_value.h:72
kValueFloat64
static constexpr int kValueFloat64
Definition: fl_standard_message_codec.cc:20
fl_standard_message_codec_read_size
G_MODULE_EXPORT gboolean fl_standard_message_codec_read_size(FlStandardMessageCodec *codec, GBytes *buffer, size_t *offset, uint32_t *value, GError **error)
Definition: fl_standard_message_codec.cc:657
FL_VALUE_TYPE_INT
@ FL_VALUE_TYPE_INT
Definition: fl_value.h:67
fl_value_new_int64_list
G_MODULE_EXPORT FlValue * fl_value_new_int64_list(const int64_t *data, size_t data_length)
Definition: fl_value.cc:319
get_data
static const uint8_t * get_data(GBytes *buffer, size_t *offset)
Definition: fl_standard_message_codec.cc:104
fl_standard_message_codec_class_init
static void fl_standard_message_codec_class_init(FlStandardMessageCodecClass *klass)
Definition: fl_standard_message_codec.cc:625
FL_MESSAGE_CODEC_ERROR_OUT_OF_DATA
@ FL_MESSAGE_CODEC_ERROR_OUT_OF_DATA
Definition: fl_message_codec.h:35
error
const uint8_t uint32_t uint32_t GError ** error
Definition: fl_pixel_buffer_texture_test.cc:40
kValueMap
static constexpr int kValueMap
Definition: fl_standard_message_codec.cc:27
FL_VALUE_TYPE_FLOAT_LIST
@ FL_VALUE_TYPE_FLOAT_LIST
Definition: fl_value.h:73
fl_standard_message_codec_init
static void fl_standard_message_codec_init(FlStandardMessageCodec *self)
Definition: fl_standard_message_codec.cc:635
read_uint32
static gboolean read_uint32(GBytes *buffer, size_t *offset, uint32_t *value, GError **error)
Definition: fl_standard_message_codec.cc:141
fl_value_new_uint8_list
G_MODULE_EXPORT FlValue * fl_value_new_uint8_list(const uint8_t *data, size_t data_length)
Definition: fl_value.cc:292
fl_value_append
G_MODULE_EXPORT void fl_value_append(FlValue *self, FlValue *value)
Definition: fl_value.cc:592
buffer
static const uint8_t buffer[]
Definition: fl_pixel_buffer_texture_test.cc:44
kValueFloat32List
static constexpr int kValueFloat32List
Definition: fl_standard_message_codec.cc:28
FL_VALUE_TYPE_FLOAT
@ FL_VALUE_TYPE_FLOAT
Definition: fl_value.h:68
kValueString
static constexpr int kValueString
Definition: fl_standard_message_codec.cc:21
FL_VALUE_TYPE_INT32_LIST
@ FL_VALUE_TYPE_INT32_LIST
Definition: fl_value.h:71
write_align
static void write_align(GByteArray *buffer, guint align)
Definition: fl_standard_message_codec.cc:66
FL_MESSAGE_CODEC_ERROR_UNSUPPORTED_TYPE
@ FL_MESSAGE_CODEC_ERROR_UNSUPPORTED_TYPE
Definition: fl_message_codec.h:37
fl_value_new_float
G_MODULE_EXPORT FlValue * fl_value_new_float(double value)
Definition: fl_value.cc:269
read_float64_list_value
static FlValue * read_float64_list_value(FlStandardMessageCodec *self, GBytes *buffer, size_t *offset, GError **error)
Definition: fl_standard_message_codec.cc:321
fl_standard_message_codec.h
fl_value_get_map_key
G_MODULE_EXPORT FlValue * fl_value_get_map_key(FlValue *self, size_t index)
Definition: fl_value.cc:784
read_uint8
static gboolean read_uint8(GBytes *buffer, size_t *offset, uint8_t *value, GError **error)
Definition: fl_standard_message_codec.cc:111
write_uint32
static void write_uint32(GByteArray *buffer, uint32_t value)
Definition: fl_standard_message_codec.cc:45
fl_value_get_int64_list
const G_MODULE_EXPORT int64_t * fl_value_get_int64_list(FlValue *self)
Definition: fl_value.cc:703
FL_VALUE_TYPE_BOOL
@ FL_VALUE_TYPE_BOOL
Definition: fl_value.h:66
value
uint8_t value
Definition: fl_standard_message_codec.cc:36
length
size_t length
Definition: fl_standard_message_codec_test.cc:1113
fl_value_get_map_value
G_MODULE_EXPORT FlValue * fl_value_get_map_value(FlValue *self, size_t index)
Definition: fl_value.cc:792
read_int64_list_value
static FlValue * read_int64_list_value(FlStandardMessageCodec *self, GBytes *buffer, size_t *offset, GError **error)
Definition: fl_standard_message_codec.cc:273
fl_standard_message_codec_read_value
G_MODULE_EXPORT FlValue * fl_standard_message_codec_read_value(FlStandardMessageCodec *self, GBytes *buffer, size_t *offset, GError **error)
Definition: fl_standard_message_codec.cc:694
FL_MESSAGE_CODEC_ERROR
#define FL_MESSAGE_CODEC_ERROR
Definition: fl_message_codec.h:30